Works (198)
Updated: April 4th, 2024 04:25
2023 journal article
Dark matter: Developing a new nanoantioxidant-based therapeutic system for the treatment of age-related macular degeneration
NANO TODAY, 50.
author keywords: Age-related macular degeneration; Cerium oxide nanoparticles; Melanin-like nanoparticles; Antioxidant; Reactive oxygen and nitrogen species; Laser-induced choroidal neovascularization
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
Sources: Web Of Science, ORCID
Added: July 10, 2023
2023 review
Electron spin resonance in emerging spin-driven applications: Fundamentals and future perspectives
[Review of ]. APPLIED PHYSICS REVIEWS, 10(4).
Sources: ORCID, Web Of Science
Added: October 14, 2023
2023 article
Magnetic Resonance in Molecular Biology, Biophysics and Biochemistry
Smirnov, A. I. I., Kokorin, A. I. I., & Kovaleva, E. G. G. (2023, February 11). APPLIED MAGNETIC RESONANCE, Vol. 2.
link.springer.com (publisher PDF)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
Sources: Web Of Science, ORCID
Added: March 13, 2023
2023 journal article
Optical and electronic spin properties of fluorescent micro- and nanodiamonds upon prolonged ultrahigh-temperature annealing
JOURNAL OF VACUUM SCIENCE & TECHNOLOGY B, 41(4).
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
Sources: ORCID, Web Of Science
Added: June 28, 2023
2023 journal article
Tribotronic and electrochemical properties of platinum-nanofluid interfaces formed by aqueous suspensions of 5 and 40 nm TiO<sub>2</sub> nanoparticles
JOURNAL OF CHEMICAL PHYSICS, 159(11).
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
Sources: ORCID, Web Of Science
Added: September 20, 2023
2022 journal article
Electron irradiation-induced paramagnetic and fluorescent defects in type Ib high pressure-high temperature microcrystalline diamonds and their evolution upon annealing
JOURNAL OF APPLIED PHYSICS, 132(7).
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
Sources: ORCID, Web Of Science
Added: August 18, 2022
2021 journal article
Characterization of photonic band resonators for DNP NMR of thin film samples at 7 T magnetic field
JOURNAL OF MAGNETIC RESONANCE, 323.
author keywords: Solid-state NMR; Dynamic nuclear polarization; DNP; Synthetic diamonds; Photonic band gap resonator; Quasioptics
TL;DR:
It was found that average of B1e2 over the sample strongly depends on the arrangement of the dielectric layers that are the closest to the sample, which favors odd-numbered PBG resonator configurations for their use in DNP.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
7. Affordable and Clean Energy
(OpenAlex)
Sources: Web Of Science, ORCID
Added: March 8, 2021
2021 article
EPR Oximetry with Nitroxides: Effects of Molecular Structure, pH, and Electrolyte Concentration
Voinov, M. A., Smirnova, T. I., & Smirnov, A. I. (2021, November 20). APPLIED MAGNETIC RESONANCE, Vol. 11.
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
6. Clean Water and Sanitation
(OpenAlex)
Sources: ORCID, Web Of Science
Added: November 20, 2021
2021 journal article
Electronic Structure of the Primary Electron Donor P-700(+center dot) in Photosystem I Studied by Multifrequency HYSCORE Spectroscopy at X- and Q-Band
JOURNAL OF PHYSICAL CHEMISTRY B, 125(1), 36–48.
MeSH headings : Chlorophyll; Electron Spin Resonance Spectroscopy; Electron Transport; Electronics; Electrons; Photosystem I Protein Complex
TL;DR:
Investigation of the electron spin density distribution in the cation radical P700+• of PSI from a thermophilic cyanobacterium Thermosynechococcus elongatus finds direct evidence of spin density delocalization over the both monomers in the heterodimer.
(via Semantic Scholar)
Sources: ORCID, Web Of Science
Added: December 25, 2020
2021 journal article
Nonequilibrium quantum critical steady state: Transport through a dissipative resonant level
PHYSICAL REVIEW RESEARCH, 3(1).
UN Sustainable Development Goal Categories
8. Decent Work and Economic Growth
(Web of Science)
Sources: Web Of Science, ORCID
Added: March 22, 2021
2021 journal article
Tribotronic control and cyclic voltammetry of platinum interfaces with metal oxide nanofluids
APPLIED SURFACE SCIENCE, 566.
author keywords: Tribotronics; Energy storage; Nanoparticles; TiO2; Al2O3; Energy efficiency
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
Sources: Web Of Science, ORCID
Added: September 13, 2021
2020 journal article
Alternative Reactivity of Leucine 5-Hydroxylase Using an Olefin-Containing Substrate to Construct a Substituted Piperidine Ring
BIOCHEMISTRY, 59(21), 1961–1965.
Contributors: L. Cha n , S. Milikisiyants n, M. Davidson n, S. Xue *, T. Smirnova n , n , Y. Guo *, W. Chang n
MeSH headings : Alkenes / chemistry; Alkenes / metabolism; Leucine / chemistry; Leucine / metabolism; Mixed Function Oxygenases / chemistry; Mixed Function Oxygenases / metabolism; Molecular Conformation; Nostoc / enzymology; Substrate Specificity
TL;DR:
It is demonstrated that the activity of an Fe/2OG enzyme can be redirected when changing the targeted carbon hybridization from sp3 to sp2 and the resulting epoxide subsequently undergoes intramolecular cyclization to form the substituted piperidine, 2S,5S-hydroxypipecolic acid.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
Sources: Web Of Science, ORCID
Added: June 22, 2020
2020 journal article
Electrostatic properties of inner nanopore surfaces of anodic aluminum oxide membranes upon high temperature annealing revealed by EPR of pH-sensitive spin probes and labels
JOURNAL OF MEMBRANE SCIENCE, 604.
author keywords: Anodic aluminum oxide; Nanopores; Surface electrostatic potential; Electron paramagnetic resonance; Spin labeling
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
Sources: Web Of Science, ORCID
Added: July 20, 2020
2020 book
Spectroscopic Tools for Food Analysis
In SPECTROSCOPIC TOOLS FOR FOOD ANALYSIS (pp. 1–87).
TL;DR:
Food quality analysis is an area of interest that has always attracted the attention of everyone, and making suitable tools for food analysis is especially important.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
2. Zero Hunger
(OpenAlex)
Sources: Web Of Science, ORCID
Added: August 10, 2020
2019 journal article
A biradical-tagged phospholipid as a polarizing agent for solid-state MAS Dynamic Nuclear Polarization NMR of membrane proteins
Solid State Nuclear Magnetic Resonance, 100, 92–101.
Contributors: D. Good*, M. Voinov n, D. Bolton*, M. Ward*, I. Sergeyev *, M. Caporini*, P. Scheffer *, A. Lo*
author keywords: Nuclear magnetic resonance; Dynamic nuclear polarization; Electron spin resonance; Biradical; Signal enhancement; Membrane protein; Lipid; Bilayer
MeSH headings : Glycerol / chemistry; Lipid Bilayers / chemistry; Magnetic Resonance Spectroscopy; Membrane Proteins / chemistry; Phospholipids / chemistry; Water / chemistry
TL;DR:
Conformational changes and an inhomogeneous distribution of the lipid-based biradicals in lipid bilayers emerged as important factors to consider for further development of this matrix-free approach for DNP of membrane proteins.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
6. Clean Water and Sanitation
(OpenAlex)
Sources: Web Of Science, ORCID, Crossref
Added: May 28, 2019
2019 journal article
Dielectric and Electrostatic Properties of the Silica Nanoparticle-Water Interface by EPR of pH-Sensitive Spin Probes
JOURNAL OF PHYSICAL CHEMISTRY C, 123(49), 29972–29985.
Contributors: V. Perelygin n, M. Voinov n, A. Marek n, E. Ou n, J. Krim n , D. Brenner n, T. Smirnova n , n
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
6. Clean Water and Sanitation
(OpenAlex)
Sources: Web Of Science, ORCID
Added: January 6, 2020
2019 article
EPR studies of bionanomaterials
ELECTRON MAGNETIC RESONANCE - APPLICATIONS IN PHYSICAL SCIENCES AND BIOLOGY, Vol. 50, pp. 129–159.
TL;DR:
This chapter discusses some recent applications of EPR in studies bionanomaterials with particular emphasis on the interfacial properties of the nanoobjects and their interactions with biomacromolecules.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
Sources: Web Of Science, ORCID
Added: November 18, 2019
2019 journal article
Enhancing sensitivity of Double Electron-Electron Resonance (DEER) by using Relaxation-Optimized Acquisition Length Distribution (RELOAD) scheme
Journal of Magnetic Resonance, 298, 115–126.
Contributors: S. Milikisiyants n, M. Voinov n, A. Marek n, M. Jafarabadi n, J. Liu *, R. Han*, S. Wang *, *
author keywords: PELDOR; DEER; EPR; Spin-labeling; Dipolar spectroscopy; Distance measurements
MeSH headings : Algorithms; Electron Spin Resonance Spectroscopy / methods; Gramicidin / chemistry; Leptospira; Models, Chemical; Models, Molecular; Rhodopsin / chemistry; Sensitivity and Specificity; Signal-To-Noise Ratio; Spin Labels
TL;DR:
A novel albeit simple approach to improve DEER sensitivity and decrease data acquisition time by introducing the signal acquisition scheme based on RELaxation Optimized Acquisition (Length) Distribution (DEER-RELOAD).
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
Sources: Web Of Science, ORCID, Crossref
Added: February 18, 2019
2019 journal article
Liquid Metal Nanoparticles as Initiators for Radical Polymerization of Vinyl Monomers
ACS MACRO LETTERS, 8(11), 1522–1527.
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
Sources: Web Of Science, ORCID
Added: December 9, 2019
2019 journal article
Nanotribological Performance Factors for Aqueous Suspensions of Oxide Nanoparticles and Their Relation to Macroscale Lubricity
LUBRICANTS, 7(6).
Contributors: B. Acharya n, T. Pardue n, L. Su n, n , D. Brenner n & J. Krim n
author keywords: Nanotribology; QCM; Nanolubricants; Oxide nanoparticles; Nanoparticle additives; Al2O3; TiO2; SiO2; Fe2O3
UN Sustainable Development Goal Categories
6. Clean Water and Sanitation
(OpenAlex)
Sources: Web Of Science, ORCID
Added: August 5, 2019
2019 journal article
Tuning friction and slip at solid-nanoparticle suspension interfaces by electric fields
SCIENTIFIC REPORTS, 9(1).
Contributors: B. Acharya n, C. Seed n, D. Brenner n, n & J. Krim n
TL;DR:
An experimental Quartz Crystal Microbalance study of tuning interfacial friction and slip lengths for aqueous suspensions of TiO2 and Al2O3 nanoparticles on planar platinum surfaces by external electric fields observed non-monotonic variation, with a profile attributed to the physical properties of interstitial water layers present between the nanoparticles and the platinum substrate.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
Sources: Web Of Science, ORCID
Added: December 30, 2019
2018 conference paper
Competition between dynamic and structural disorder in a doped triangular antiferromagnet RbFe(MoO<inf>4</inf>)<inf>2</inf>
Journal of Physics: Conference Series, 969(1).
Contributors: * , T. Soldatov *, O. Petrenko *, A. Takata *, T. Kida *, M. Hagiwara *, M. Zhitomirsky*, A. Shapiro*
Source: ORCID
Added: December 4, 2020
2018 journal article
Elucidating the Reaction Pathway of Decarboxylation-Assisted Olefination Catalyzed by a Mononuclear Non-Heme Iron Enzyme
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 140(45), 15190–15193.
Contributors: C. Yu n, Y. Tang *, L. Cha n , S. Milikisiyants n, T. Smirnova n , n , Y. Guo *, W. Chang n
MeSH headings : Alkenes / chemistry; Alkenes / metabolism; Biocatalysis; Decarboxylation; Molecular Structure; Nonheme Iron Proteins / metabolism
TL;DR:
Experimental observations imply that a pathway involving an initial C-H activation followed by a benzylic carbocation species or by electron transfer coupled β-scission is likely utilized to complete C═C bond formation.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
Sources: Web Of Science, ORCID
Added: December 10, 2018
2018 journal article
Multi-resonant photonic band-gap/saddle coil DNP probehead for static solid state NMR of microliter volume samples
JOURNAL OF MAGNETIC RESONANCE, 297, 113–123.
Contributors: A. Nevzorov n, S. Milikisiyants n, A. Marek n & n
author keywords: Solid-state NMR; Dynamic nuclear polarization; DNP; Synthetic diamonds; Photonic band gap resonator; Quasioptics
TL;DR:
A one-dimensional photonic band-gap mmW resonator was constructed and tested that was incorporated inside a double-tuned radiofrequency (rf) NMR saddle coil and was the key element for constructing a multi-resonant integrated DNP/NMR probehead operating at 190-199 GHz EPR/300 MHz 1H/75.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
7. Affordable and Clean Energy
(OpenAlex)
Sources: Web Of Science, ORCID
Added: December 31, 2018
2018 journal article
Nanopore-Confined Bilayers: A Model of Biomembranes with Defined Curvature and a Tool for Oriented Sample Magnetic Resonance
Biophysical Journal, 114(3), 402a.
Sources: Crossref, ORCID
Added: November 28, 2020
2018 journal article
Photonic band-gap resonators for high-field/high-frequency EPR of microliter-volume liquid aqueous samples
JOURNAL OF MAGNETIC RESONANCE, 296, 152–164.
Contributors: S. Milikisiyants n, A. Nevzorov n & n
author keywords: Photonic crystals; High-field EPR; Resonators; Aqueous samples
MeSH headings : Algorithms; Ceramics / chemistry; Electromagnetic Fields; Electron Spin Resonance Spectroscopy / methods; Equipment Design; Gadolinium / chemistry; Gramicidin / chemistry; Lipid Bilayers / chemistry; Nanostructures; Photons; Porosity; Radio Waves; Water / chemistry
TL;DR:
A radically new line of high Q-factor mmW resonators that are based on forming lattice defects in one-dimensional photonic band-gap (PBG) structures composed of low-loss ceramic discs of λ/4 in thickness and having alternating dielectric constants are described.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
6. Clean Water and Sanitation
(OpenAlex)
Sources: Web Of Science, ORCID
Added: December 31, 2018
2018 journal article
Proton Activity in Nanochannels Revealed by Electron Paramagnetic Resonance of Ionizable Nitroxides: A Test of the Poisson-Boltzmann Double Layer Theory
JOURNAL OF PHYSICAL CHEMISTRY C, 122(35), 20527–20538.
Contributors: E. Kovaleva *, L. Molochnikov, D. Antonov *, D. Tambasova Stepanova, M. Hartmann *, A. Tsmokalyuk*, A. Marek n, n
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
6. Clean Water and Sanitation
(OpenAlex)
Sources: Web Of Science, ORCID
Added: October 16, 2018
2018 journal article
Silica-Supported Lipid Bilayers: Electrostatic Effects at Lipid Interfaces as Reported by Spin-Labeling EPR
Biophysical Journal, 114(3), 96a.
Sources: Crossref, ORCID
Added: February 24, 2020
2018 journal article
Using Hyscore Spectroscopy of Nitroxides to Profile Water Content of Lipid Bilayers with 2 Å Spatial Resolution
Biophysical Journal, 114(3), 16a.
UN Sustainable Development Goal Categories
6. Clean Water and Sanitation
(OpenAlex)
Sources: Crossref, ORCID
Added: August 28, 2020
2018 journal article
efocused ut- f- ase (ROOPh) DEER: A pulse scheme for suppressing an unmodulated background in double electron-electron resonance experiments
Journal of Magnetic Resonance, 293, 9–18.
Contributors: S. Milikisiyants n, M. Voinov n & n
author keywords: PDS; PELDOR; DEER; EPR; Spin-labeling; Dipolar spectroscopy; Distance measurements
TL;DR:
An alternative detection scheme - a Refocused Out-Of-Phase DEER (ROOPh-DEER) - to acquire only the modulated fraction of the dipolar DEER signal to avoid the presence of a significant unmodulated fraction in the detected signal.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
Sources: Crossref, ORCID
Added: August 28, 2020
2017 journal article
A Combined QCM and AFM Study Exploring the Nanoscale Lubrication Mechanism of Silica Nanoparticles in Aqueous Suspension
TRIBOLOGY LETTERS, 65(3).
Contributors: B. Acharya n, M. Chestnut n, A. Marek n, n & J. Krim n
author keywords: QCM; Nanoscale roughness; Nano-additives; AFM; Fractal; SiO2; Electrokinetic phenomena
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
6. Clean Water and Sanitation
(OpenAlex)
Sources: Web Of Science, ORCID
Added: August 6, 2018
2017 journal article
A comparative study of the nanoscale and macroscale tribological attributes of alumina and stainless steel surfaces immersed in aqueous suspensions of positively or negatively charged nanodiamonds
Beilstein Journal of Nanotechnology, 8(1), 2045–2059.
author keywords: additives; alumina; aqueous colloids; fractal; friction; lubricants; nanodiamond; nanotribology; quartz crystal microbalance; stainless steel
TL;DR:
Atomic scale details associated with systems that exhibit starkly different macroscale tribological properties are revealed, enabling future efforts to predict and design complex lubricant interfaces.
(via Semantic Scholar)
Sources: ORCID, NC State University Libraries
Added: August 6, 2018
2017 journal article
A comparative study of the nanoscale and macroscale tribological attributes of alumina and stainless steel surfaces immersed in aqueous suspensions of positively or negatively charged nanodiamonds
Beilstein Journal of Nanotechnology, 8, 2045–2059.
Source: NC State University Libraries
Added: August 6, 2018
2017 chapter
Chapter 6 - Electron Paramagnetic Resonance Spectroscopy to Study Liquid Food and Beverages
In A. K. Shukla (Ed.), Electron Spin Resonance in Food Science (pp. 83–109).
Ed(s): A. Shukla
Event: at
UN Sustainable Development Goal Categories
2. Zero Hunger
(OpenAlex)
Source: ORCID
Added: December 4, 2020
2017 journal article
Effect of Solution Ionic Strength on the pKa of the Nitroxide pH EPR Probe 2,2,3,4,5,5-Hexamethylimidazolidin-1-oxyl
Cell Biochemistry and Biophysics, 75(2), 185–193.
Contributors: K. Margita n, M. Voinov n & n
author keywords: pH indicator; Ionic strength; Electrolyte; Potentiometric titration; EPR; pH-sensitive nitroxides
MeSH headings : Cyclic N-Oxides / chemistry; Electron Spin Resonance Spectroscopy; Hydrogen-Ion Concentration; Imidazolidines / chemistry; Molecular Probes / chemistry; Nitrogen Oxides / chemistry; Osmolar Concentration; Protons; Solutions; Spin Labels; Static Electricity; Water / chemistry
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
6. Clean Water and Sanitation
(OpenAlex)
Sources: Web Of Science, ORCID, Crossref
Added: August 6, 2018
2017 journal article
Effects of Silica Support on Dynamics of Transmembrane Peptides and Effective p K a of Ionisable Sidechains
Biophysical Journal, 112(3), 175a.
Sources: Crossref, ORCID
Added: February 24, 2020
2017 book
Electron Paramagnetic Resonance Spectroscopy to Study Liquid Food and Beverages
In Electron Spin Resonance in Food Science (pp. 83–109).
UN Sustainable Development Goal Categories
2. Zero Hunger
(OpenAlex)
Source: ORCID
Added: December 4, 2020
2017 journal article
Fluence-Dependent Evolution of Paramagnetic Triplet Centers in e-Beam Irradiated Microcrystalline lb Type HPHT Diamond
JOURNAL OF PHYSICAL CHEMISTRY C, 121(40), 22335–22346.
Contributors: A. Shames *, n , S. Milikisiyants n, E. Danilov n , N. Nunn *, G. McGuire*, M. Torelli *, O. Shenderova*
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
Sources: Web Of Science, ORCID
Added: August 6, 2018
2017 journal article
Glycol Chitosan Engineered Autoregenerative Antioxidant Significantly Attenuates Pathological Damages in Models of Age-Related Macular Degeneration
ACS Nano, 11(5), 4669–4685.
Contributors: R. Mitra, R. Gao *, M. Zheng, M. Wu, M. Voinov n, n , T. Smirnova n , K. Wang, S. Chavala*, Z. Han
author keywords: age-related macular degeneration; cerium oxide nanoparticles; antioxidant; reactive oxygen species; laser-induced choroidal neovascularization
MeSH headings : Animals; Antioxidants / pharmacology; Cerium / chemistry; Cerium / pharmacology; Choroidal Neovascularization / drug therapy; Choroidal Neovascularization / prevention & control; Disease Models, Animal; Human Umbilical Vein Endothelial Cells; Humans; Macular Degeneration / physiopathology; Macular Degeneration / therapy; Male; Mice; Mice, Inbred C57BL; Oxidative Stress / drug effects; Reactive Oxygen Species / metabolism; Reactive Oxygen Species / pharmacology; Vascular Endothelial Growth Factor A / metabolism
TL;DR:
An engineered water-soluble, biocompatible, trackable nanoceria with enriched antioxidant activity to scavenge intracellular reactive oxygen species (ROS) is reported, which may offer a superior therapeutic effect to deal with oxidative stress induced pathogeneses, such as AMD.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
Sources: Web Of Science, ORCID, Crossref
Added: August 6, 2018
2017 journal article
IKMTSL-PTE, a Phospholipid-Based EPR Probe for Surface Electrostatic Potential of Biological Interfaces at Neutral pH: Effects of Temperature and Effective Dielectric Constant of the Solvent
The Journal of Physical Chemistry B, 121(11), 2443–2453.
Contributors: M. Voinov n, C. Scheid n, I. Kirilyuk *, D. Trofimov* & n
MeSH headings : 2-Propanol / chemistry; Electron Spin Resonance Spectroscopy; Glycerophospholipids / chemical synthesis; Glycerophospholipids / chemistry; Hydrogen-Ion Concentration; Imidazoles / chemical synthesis; Imidazoles / chemistry; Lipid Bilayers / chemistry; Micelles; Octoxynol / chemistry; Phosphatidylglycerols / chemistry; Solvents / chemistry; Spin Labels / chemical synthesis; Static Electricity; Temperature; Water / chemistry
TL;DR:
The ionization transitions of IKMTSL-PTE with pKa values close to the neutral pH range make this lipidlike molecule a valuable spectroscopic EPR probe for studying the electrostatic phenomena at biological interfaces, including lipid bilayer/membrane protein systems, that could be unstable in the acidic pH range accessible by the previously available probes.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
6. Clean Water and Sanitation
(OpenAlex)
Sources: Web Of Science, ORCID, Crossref
Added: August 6, 2018
2017 journal article
Interfacial Electrostatic Properties of Hydrated Mesoporous and Nanostructured Alumina Powders by Spin Labeling EPR
CELL BIOCHEMISTRY AND BIOPHYSICS, 75(2), 159–170.
Contributors: E. Kovaleva *, L. Molochnikov, D. Stepanova*, A. Pestov, D. Trofimov*, I. Kirilyuk *, n
author keywords: Mesoporous alumina; Phospholipids; Aluminum alkoxides; pH-sensitive nitroxides
MeSH headings : Aluminum Oxide / chemistry; Electron Spin Resonance Spectroscopy; Hydrogen-Ion Concentration; Molecular Probes / chemical synthesis; Nanostructures / chemistry; Nanostructures / ultrastructure; Nitrogen Oxides / chemical synthesis; Phospholipids / chemistry; Porosity; Powders; Spin Labels / chemical synthesis; Static Electricity; Surface Properties
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
Sources: Web Of Science, ORCID
Added: August 6, 2018
2017 article
Nitroxide Radicals: Synthesis and Functional Bio-/Nanomaterials - an Introduction
Smirnov, A. I., & Berliner, L. J. (2017, June). CELL BIOCHEMISTRY AND BIOPHYSICS, Vol. 75, pp. 149–150.
MeSH headings : Electron Spin Resonance Spectroscopy; Free Radicals / chemistry; Nanostructures / chemistry; Nitrogen Oxides / chemistry; Spin Labels
TL;DR:
This special issue on Nitroxide Radicals resulted from presentations at a namesake symposium at the 2015 International Chemical Congress of Pacific Basin Societies and covers first the general area of Materials and Nanomaterials, then Applications to Proteins and Nucleic Acids, and finally some emerging Applications to Biology and Medicine.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
Sources: Web Of Science, ORCID
Added: August 6, 2018
2017 journal article
Oligomeric Structure of Anabaena Sensory Rhodopsin in a Lipid Bilayer Environment by Combining Solid-State NMR and Long-range DEER Constraints
JOURNAL OF MOLECULAR BIOLOGY, 429(12), 1903–1920.
Contributors: S. Milikisiyants n, S. Wang *, R. Munro*, M. Donohue n, M. Ward*, D. Bolton*, L. Brown *, T. Smirnova n , V. Ladizhansky *, n
author keywords: double electron electron resonance (DEER); site-directed spin labeling; solid-state NMR; paramagnetic relaxation enhancement; membrane protein structure
MeSH headings : Anabaena / chemistry; Lipid Bilayers / chemistry; Magnetic Resonance Spectroscopy; Membrane Proteins / chemistry; Membrane Proteins / metabolism; Models, Biological; Models, Molecular; Protein Multimerization; Sensory Rhodopsins / chemistry; Sensory Rhodopsins / metabolism
TL;DR:
The combined approach of using complementary DEER and NMR measurements for the determination of oligomeric structures would be widely applicable to membrane proteins where paramagnetic tags can be introduced.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
Sources: Web Of Science, ORCID
Added: August 6, 2018
2017 journal article
Order by Quenched Disorder in the Model Triangular Antiferromagnet RbFe (MoO4)2
Physical Review Letters, 119(4).
Contributors: * , T. Soldatov *, O. Petrenko *, A. Takata *, T. Kida *, M. Hagiwara *, A. Shapiro*, M. Zhitomirsky*
TL;DR:
The change of the ground state to a least collinear configuration reveals an effective positive biquadratic exchange provided by the structural disorder, providing a direct experimental confirmation of the fluctuation origin of theGround state in a real frustrated system.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy
(OpenAlex)
Source: ORCID
Added: December 4, 2020
2017 journal article
Spin Probe Multi-Frequency EPR Study of Unprocessed Cotton Fibers
Cell Biochemistry and Biophysics, 75(2), 211–226.
author keywords: Spin probes; Cotton fibers; Electron paramagnetic resonance spectroscopy; Multi-frequency EPR; High-field EPR; Multi-component spectral simulations
MeSH headings : Cellulose / chemistry; Cotton Fiber; Cyclic N-Oxides / chemistry; Electron Spin Resonance Spectroscopy; Least-Squares Analysis; Solvents / chemistry; Spin Labels; Temperature; Viscosity
TL;DR:
One of the results of this study is a demonstration of a co-existence of cellulose nanodomains with different physicochemical properties such as polarity and microviscosity that are affected by solvents and temperature.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
Sources: Web Of Science, ORCID, Crossref
Added: August 6, 2018
2017 journal article
Structure and Dynamics of Nanopore-Confined Membrane Proteins are Affected by Bilayer Lipid Composition
Biophysical Journal, 112(3), 388a.
TL;DR:
The improved nanopore alignment technique described here provides a general method for studying lipid-induced structural conformations of membrane proteins under physiologically relevant conditions by magnetic resonance.
(via Semantic Scholar)
Sources: Crossref, ORCID
Added: February 24, 2020
2016 journal article
Acid-Base Properties of Nanoconfined Volumes of Anodic Aluminum Oxide Pores by EPR of pH-Sensitive Spin Probes
JOURNAL OF PHYSICAL CHEMISTRY C, 120(5), 2703–2711.
Contributors: E. Kovaleva *, L. Molochnikov, U. Venkatesan n, A. Marek n, D. Stepanova*, K. Kozhikhova*, M. Mironov*, n
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
Sources: Web Of Science, ORCID
Added: August 6, 2018
2016 journal article
Interactions of Antibacterial Peptides with Nanotubular Lipid Bilayers: Binding Kinetics and Distortions of the Bilayer Structure
Biophysical Journal, 110(3), 79a.
TL;DR:
The data relate peptide binding and lysis kinetics to structural changes in lipid bilayers, thus, shedding the light on the underlying multistep mechanism.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy
(OpenAlex)
Sources: Crossref, ORCID
Added: February 24, 2020
2016 journal article
author keywords: spin chains; magnetic resonance; antiferromagnets; quantum magnets
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy
(OpenAlex)
Source: ORCID
Added: December 4, 2020
2016 journal article
Multi-frequency ferromagnetic resonance investigation of nickel nanocubes encapsulated in diamagnetic magnesium oxide matrix
Journal of Applied Physics, 120(22), 223902.
Contributors: S. Nellutla*, S. Nori n, S. Singamaneni n, J. Prater*, J. Narayan n & n
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
Sources: Crossref, ORCID, NC State University Libraries
Added: August 6, 2018
2016 journal article
Ordering Effect Induced by SARS-CoV Fusion Peptides on Membranes Containing Negatively Charged Lipids Might be Important to Membrane Fusion
Biophysical Journal, 110(3), 418a.
TL;DR:
The combined effect of an increased chain-packing energy, which induces bending moment in the bilayer, and membrane surface ordering, which is related to lipid dehydration, might promote negative curvature for negatively charged lipid-containing membranes, thus, helping to overcome the high kinetic barrier of the membrane fusion.
(via Semantic Scholar)
Sources: Crossref, ORCID
Added: February 24, 2020
2015 journal article
Cysteine-Specific Labeling of Proteins with a Nitroxide Biradical for Dynamic Nuclear Polarization NMR
The Journal of Physical Chemistry B, 119(32), 10180–10190.
Contributors: M. Voinov n, D. Good, M. Ward, S. Milikisiyants n, A. Marek n, M. Caporini*, M. Rosay*, R. Munro
MeSH headings : Anabaena; Cyclic N-Oxides / chemical synthesis; Cyclic N-Oxides / chemistry; Cysteine / chemistry; Glycerol / chemistry; Mesylates / chemical synthesis; Mesylates / chemistry; Molecular Structure; Mutation; Nitrogen Isotopes / chemistry; Nitrogen Oxides / chemical synthesis; Nitrogen Oxides / chemistry; Nuclear Magnetic Resonance, Biomolecular / methods; Propanols / chemistry; Protons; Sensory Rhodopsins / chemistry; Sensory Rhodopsins / genetics; Solvents / chemistry; Temperature; Water / chemistry
TL;DR:
A new biradical is synthesized, ToSMTSL, which is based on the known DNP agent TOTAPOL, but also contains a thiol-specific methanethiosulfonate group to allow for incorporating this biradicals into a protein in a site-directed manner.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
6. Clean Water and Sanitation
(OpenAlex)
Sources: Web Of Science, ORCID, Crossref
Added: August 6, 2018
2015 journal article
Determining Oligomeric Order of a Membrane Protein by Double Electron-Electron Resonance Spectroscopy
Biophysical Journal, 108(2), 93a.
TL;DR:
The use of spin-labeling and Double Electron-Electron Resonance (DEER) spectroscopy to determine the oligomeric order of a membrane protein and the results demonstrate that DEER restraints can not only differentiate between the dimer and trimer models that have very different interfaces, but further rule out hypothetical tetramer and other higher order polygon models.
(via Semantic Scholar)
Sources: Crossref, ORCID
Added: February 24, 2020
2015 article
Ionizable Nitroxides for Studying Local Electrostatic Properties of Lipid Bilayers and Protein Systems by EPR
Electron Paramagnetic Resonance Investigations of Biological Systems by Using Spin Labels, Spin Probes, and Intrinsic Metal Ions, Part B, Vol. 564, pp. 191–217.
MeSH headings : Animals; Electron Spin Resonance Spectroscopy / methods; Humans; Hydrogen-Ion Concentration; Lipid Bilayers / chemistry; Nitrogen Oxides / analysis; Proteins / chemistry; Protons; Spin Labels; Static Electricity; Sulfhydryl Compounds / chemistry
TL;DR:
Biophysical methods to probe local electrostatic potentials of proteins and lipid bilayer systems that are based on an observation of reversible protonation of nitroxides by electron paramagnetic resonance (EPR) are described.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
6. Clean Water and Sanitation
(OpenAlex)
Source: ORCID
Added: December 4, 2020
2015 article
Line Narrowing in Oriented-Sample NMR of Membrane Proteins
Protein NMR, pp. 159–185.
Contributors: A. Nevzorov n & n
TL;DR:
An alternative alignment method based on anodic aluminum oxide nanopores, which is capable of incorporating a broad repertoire of lipids and ensures the line narrowing of experimental NMR linewidths, thus, providing structural and dynamic information for the lipid-embedded proteins.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
Source: ORCID
Added: December 4, 2020
2015 journal article
Line narrowing in oriented-sample NMR of membrane proteins
Protein Nmr: Modern Techniques and Biomedical Applications, 32, 159–185.
Source: NC State University Libraries
Added: August 6, 2018
2015 journal article
Nanotube Array Method for Studying Lipid-Induced Conformational Changes of a Membrane Protein by Solid-State NMR
BIOPHYSICAL JOURNAL, 108(1), 5–9.
Contributors: A. Marek n, W. Tang n, S. Milikisiyants n, A. Nevzorov n & n
MeSH headings : Aluminum Oxide / chemistry; Dimyristoylphosphatidylcholine / chemistry; Feasibility Studies; Least-Squares Analysis; Lipid Bilayers / chemistry; Membrane Proteins / chemistry; Microscopy, Electron, Scanning; Nanotubes / chemistry; Nitrogen Isotopes; Nuclear Magnetic Resonance, Biomolecular / methods; Phosphatidylcholines / chemistry; Phosphatidylglycerols / chemistry; Phosphorus Isotopes; Protein Structure, Secondary
TL;DR:
The anodic aluminum oxide alignment method is applicable to a broader repertoire of lipids versus bicelle bilayer mimetics currently employed in solid-state nuclear magnetic resonance of oriented samples, thus allowing for elucidation of the role played by lipids in shaping membrane proteins.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
Sources: Web Of Science, ORCID
Added: August 6, 2018
2015 journal article
Peptide-Membrane Interactions by Spin-Labeling EPR.
Methods in Enzymology, 564, 219–258.
TL;DR:
Basic approaches for using SDSL EPR spectroscopy to study interactions between small peptides and biological membranes or membrane mimetic systems and experimental approaches to quantify peptide-membrane binding, topology of bound peptides, and characterize peptide aggregation are described.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
Source: ORCID
Added: December 4, 2020
2015 journal article
Tribological properties of nanodiamonds in aqueous suspensions: effect of the surface charge
RSC ADVANCES, 5(96), 78933–78940.
Contributors: Z. Liu n, D. Leininger n, A. Koolivand n, n , O. Shenderova, D. Brenner n, J. Krim n
Sources: Web Of Science, ORCID
Added: August 6, 2018
2015 journal article
“Snorkeling” of the Charged Sidechain of a Transmembrane Peptide as Directly Observed by Double Electron-Electron Resonance Experiment
Biophysical Journal, 108(2), 203a.
TL;DR:
Experimental observations of “snorkeling” for nitroxide-modified side-chains upon protonation, its dependence upon the location along the transmembrane peptide helix, and how this snorkeling is affected by the membrane electrostatic surface potential are reported.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy
(OpenAlex)
Sources: Crossref, ORCID
Added: August 28, 2020
2014 journal article
Curved Lipid Bilayers: Structure, Dynamics, Phase Properties and Surface Electrostatics
Biophysical Journal, 106(2), 221a.
TL;DR:
It is concluded that biologically relevant fluid bilayer phase allows for a larger variability in the lipid packing density in the triglyceride polar head group region than a more ordered gel phase.
(via Semantic Scholar)
Sources: Crossref, ORCID
Added: February 24, 2020
2014 journal article
Laser annealing induced ferromagnetism in SrTiO3 single crystal
Applied Physics Letters, 105(4), 042403.
Contributors: S. Rao n, Y. Lee n, J. Prater n, n & J. Narayan n
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy
(Web of Science)
Sources: ORCID, Crossref, NC State University Libraries
Added: August 6, 2018
2014 journal article
Profiling the Dielectric Constant at the Membrane-Peptide Interface using Ionizable EPR Probes
Biophysical Journal, 106(2), 508a.
TL;DR:
This work reports on employing pH-sensitive ionizable EPR labels to profile a heterogeneous dielectric environment along the α-helix of a WALP peptide integrated in a lipid bilayer, and for the first time measurements of local electrostatics at peptide-bilayer interface were based on direct distance measurements rather than on assumptions on the probe location.
(via Semantic Scholar)
Sources: Crossref, ORCID
Added: February 24, 2020
2013 journal article
EPR assessment of protein sites for incorporation of Gd(III) MRI contrast labels
CONTRAST MEDIA & MOLECULAR IMAGING, 8(3), 252–264.
Contributors: J. Lagerstedt *, J. Petrlova*, S. Hilt*, A. Marek n, Y. Chung*, R. Sriram *, M. Budamagunta*, J. Desreux*
author keywords: apolipoprotein A-I; magnetic resonance imaging (MRI); electron paramagnetic resonance (EPR) spectroscopy; protein contrast agent; high-density lipoprotein (HDL); site-directed MRI label
MeSH headings : Binding Sites; Contrast Media / analysis; Contrast Media / chemical synthesis; Drug Design; Electron Spin Resonance Spectroscopy / methods; Gadolinium / chemistry; Magnetic Resonance Imaging / methods; Nanocapsules / chemistry; Protein Binding; Proteins / analysis; Proteins / chemistry; Reproducibility of Results; Sensitivity and Specificity; Staining and Labeling / methods
TL;DR:
X-band EPR provides a practical assessment for the suitability of imaging candidates containing the site-directed ADO3A contrast probe for imaging reconstituted HDL (rHDL) biodistribution, metabolism and regulation in vivo.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
6. Clean Water and Sanitation
(OpenAlex)
Sources: Web Of Science, ORCID
Added: August 6, 2018
2013 journal article
Molecular pH Probes at a Protein-Lipid Interface: Assessment of Local Dielectric Environment for Transmembrane Peptide
Biophysical Journal, 104(2), 373a.
TL;DR:
Measurements of local electrostatics at peptide-bilayer interface were based on direct distance measurements rather than on assumptions on the probe location, allowing us to estimate effective dielectric constant.
(via Semantic Scholar)
Sources: Crossref, ORCID
Added: February 24, 2020
2013 journal article
Observation of Majorana quantum critical behaviour in a resonant level coupled to a dissipative environment
NATURE PHYSICS, 9(11), 732–737.
Contributors: H. Mebrahtu*, I. Borzenets*, H. Zheng *, Y. Bomze*, n , S. Florens *, H. Baranger*, G. Finkelstein *
UN Sustainable Development Goal Categories
8. Decent Work and Economic Growth
(Web of Science)
Sources: Web Of Science, ORCID
Added: August 6, 2018
2013 journal article
Phonon Bottleneck in Graphene-Based Josephson Junctions at Millikelvin Temperatures
PHYSICAL REVIEW LETTERS, 111(2).
Contributors: I. Borzenets*, U. Coskun*, H. Mebrahtu*, Y. Bomze*, n & G. Finkelstein *
TL;DR:
It is demonstrated that the retrapping current corresponds to the critical current at an elevated temperature, where the heating is caused by the retRApping current itself.
(via Semantic Scholar)
Sources: Web Of Science, ORCID
Added: August 6, 2018
2013 journal article
Surface Electrostatics and Peptide Binding to Lipid Bilayer of Defined Curvature
Biophysical Journal, 104(2), 98a.
TL;DR:
Small unilamellar vesicles that are sized by extrusion through nanoporous filters as a model of convex membranes with accessible outer surface show that the surface electrostatic potential of lipid bilayers is affected by the curvature to a rather large degree.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
Sources: Crossref, ORCID
Added: August 28, 2020
2013 journal article
Surface Electrostatics of Lipid Bilayers by EPR of a pH-Sensitive Spin-Labeled Lipid
Biophysical Journal, 104(1), 106–116.
Contributors: M. Voinov n, I. Rivera-Rivera n & n
MeSH headings : Dimyristoylphosphatidylcholine / chemistry; Electrolytes / chemistry; Electron Spin Resonance Spectroscopy; Hydrogen-Ion Concentration; Lipid Bilayers / chemistry; Lipids / chemistry; Molecular Probes / chemistry; Nitrogen Oxides / chemistry; Phosphatidylglycerols / chemistry; Spin Labels; Static Electricity; Surface Properties; Unilamellar Liposomes / chemistry
TL;DR:
A new spin-probe electron paramagnetic resonance (EPR) approach for assessing the electrostatic surface potential of lipid bilayers that is based on a recently synthesized EPR probe (IMTSL-PTE) containing a reversibly ionizable nitroxide tag attached to the lipids' polar headgroup, which shows remarkable agreement with Gouy-Chapman theory.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
Sources: Web Of Science, ORCID, Crossref
Added: August 6, 2018
2013 journal article
The UDP-diacylglucosamine Pyrophosphohydrolase LpxH in Lipid A Biosynthesis Utilizes Mn2+ Cluster for Catalysis
JOURNAL OF BIOLOGICAL CHEMISTRY, 288(38), 26987–27001.
Contributors: H. Young*, M. Donohue n, T. Smirnova n , n & P. Zhou *
MeSH headings : Bacterial Proteins / chemistry; Bacterial Proteins / genetics; Bacterial Proteins / isolation & purification; Bacterial Proteins / metabolism; Catalysis; Cloning, Molecular; Gene Expression; Haemophilus influenzae / enzymology; Haemophilus influenzae / genetics; Lipid A / biosynthesis; Lipid A / chemistry; Lipid A / metabolism; Manganese / chemistry; Manganese / metabolism; Pyrophosphatases / chemistry; Pyrophosphatases / genetics; Pyrophosphatases / isolation & purification; Pyrophosphatases / metabolism
TL;DR:
Overall, this work unambiguously establishes LpxH as a calcineurin-like phosphoesterase containing a Mn2+ cluster coordinated by conserved residues, which sets the scene for further structural investigation of the enzyme and for design of novel antibiotics targeting lipid A biosynthesis.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
Sources: Web Of Science, ORCID
Added: August 6, 2018
2012 journal article
Chaperon and Lipid Composition Requirements for Transmembrane Insertion of CesA Helices 4 and 5
Biophysical Journal, 102(3), 440a.
TL;DR:
It is shown that an alanine-rich and generally non-aggregating membrane-spanning α-helical WALP peptide could also play such a role: when co-inserted with CesA TMHs, WALp promotes formation of transmembrane α-helices and prevents TMHS aggregation.
(via Semantic Scholar)
Sources: Crossref, ORCID
Added: August 28, 2020
2012 journal article
ChemInform Abstract: EPR Studies of Nanomaterials
ChemInform, 43(6), no-no.
Source: ORCID
Added: December 4, 2020
2012 conference paper
Low energy dynamics in spin-liquid and ordered phases of S=1/2 antiferromagnet Cs<inf>2</inf>CuCl<inf>4</inf>
Journal of Physics: Conference Series, 400(PART 3).
Contributors: * , K. Povarov *, O. Starykh*, A. Shapiro* & S. Petrov *
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy
(OpenAlex)
Source: ORCID
Added: December 4, 2020
2012 journal article
Probing Dielectric and Hydrogen Bonding Gradients in Biological Membranes
Biophysical Journal, 102(3), 414a.
TL;DR:
An arsenal of advanced spin-labeling EPR methods are employed to profile heterogeneous dielectric and hydrogen bonding environment along the α-helical chain of an alanine-rich WALP peptide that is anchored in a lipid bilayer in a transmembrane orientation.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
6. Clean Water and Sanitation
(OpenAlex)
Sources: Crossref, ORCID
Added: February 24, 2020
2012 journal article
Quantum phase transition in a resonant level coupled to interacting leads
NATURE, 488(7409), 61–64.
Contributors: H. Mebrahtu*, I. Borzenets*, D. Liu *, H. Zheng *, Y. Bomze*, n , H. Baranger*, G. Finkelstein *
TL;DR:
This work creates a system that emulates tunnelling in a Luttinger liquid, by controlling the interaction of the Tunnelling electron with its environment, and argues that this behaviour results from many-body physics of interacting electrons, and signals the presence of a quantum phase transition.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
8. Decent Work and Economic Growth
(Web of Science)
Sources: Web Of Science, ORCID
Added: August 6, 2018
2011 journal article
Ba4KFe3O9: A Novel Ferrite Containing Discrete 6-Membered Rings of Corner-Sharing FeO4 Tetrahedra
INORGANIC CHEMISTRY, 50(20), 10310–10318.
Contributors: Q. Zhao, S. Nellutla n, W. Son n, S. Vaughn, L. Ye, M. Smith, V. Caignaert*, M. Lufaso
MeSH headings : Boron Compounds / chemistry; Crystallography, X-Ray; Electron Spin Resonance Spectroscopy; Ferric Compounds / chemistry; Hot Temperature; Iron Compounds / chemistry; Magnetic Phenomena; Models, Molecular; Molecular Conformation; Oxides / chemistry; Quantum Theory; Spectroscopy, Mossbauer
TL;DR:
X-band (9.5 GHz) electron paramagnetic resonance (EPR) spectra of a powder sample consist of a single line at g ~ 2.01 that is characteristic of Fe(3+) ions in a tetrahedral environment, thus confirming the Mössbauer results.
(via Semantic Scholar)
Sources: Web Of Science, ORCID
Added: August 6, 2018
2011 article
EPR Studies of Nanomaterials
Smirnov, A. (2011, April). Multifrequency Electron Paramagnetic Resonance, pp. 825–843.
Source: ORCID
Added: December 4, 2020
2011 journal article
Intrinsic Room-Temperature Ferromagnetic Properties of Ni-Doped ZnO Thin Films
Metallurgical and Materials Transactions A, 42(11), 3250–3254.
Contributors: C. Jin *, R. Aggarwal n, W. Wei n, S. Nori n, D. Kumar *, D. Ponarin n, n , J. Narayan n , R. Narayan*
Sources: Web Of Science, ORCID, Crossref
Added: August 6, 2018
2011 journal article
Role of Electrostatic and Hydrogen Bonding Environment in Sequestering Lipids from Membranes Into the Sec14 Protein Cavity
Biophysical Journal, 100(3), 552a–553a.
TL;DR:
An arsenal of advanced spin-labeling EPR methods are employed to probe local electrostatic and hydrogen bonding environment that govern binding of lipids by Sec14 protein and indicate that the phospholipid-binding cavity of Sec14p with the likely sequestered water molecules provides a close match for the polarity profile along the bound PtdCho molecule and the one determined for membrane bilayers.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy
(OpenAlex)
Sources: Crossref, ORCID
Added: February 24, 2020
2011 book
Spin labels and spin probes for measurements of local pH and electrostatics by EPR
In Electron Paramagnetic Resonance (Vol. 22, pp. 71–106).
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
Source: ORCID
Added: December 4, 2020
2011 journal article
Surface Electrostatics Associated with Lipid Bilayer Curvature
Biophysical Journal, 100(3), 505a.
TL;DR:
The data indicate that the bilayer bending affects the local electrostatic potential and lipid fluctuation properties in a rather large degree and is likely associated with a mechanism for cellular machinery function.
(via Semantic Scholar)
Sources: Crossref, ORCID
Added: August 28, 2020
2011 journal article
Surface-Mediated Production of Hydroxyl Radicals as a Mechanism of Iron Oxide Nanoparticle Biotoxicity
Journal of the American Chemical Society, 133(1), 35–41.
Contributors: M. Voinov n, J. Pagán n, E. Morrison n, T. Smirnova n & n
MeSH headings : Animals; Catalysis; Cattle; Cell Survival / drug effects; Electron Spin Resonance Spectroscopy; Ferric Compounds / chemistry; Ferric Compounds / toxicity; HeLa Cells; Humans; Hydrogen Peroxide / chemistry; Hydroxyl Radical / chemistry; Iron / chemistry; Nanoparticles / chemistry; Nanoparticles / toxicity; Oleic Acid / chemistry; Serum Albumin, Bovine / chemistry; Surface Properties
TL;DR:
The experimental protocols developed in this study could be used as one of the approaches for developing analytical assays for assessing the free radical generating activity of a variety of nanomaterials that is potentially related to their biotoxicity.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
Sources: Web Of Science, ORCID, Crossref
Added: August 6, 2018
2010 conference paper
Coexistance of spiral and commensurate structures in a triangular antiferromagnet KFe(MoO<inf>4</inf>)<inf>2</inf>
Journal of Physics: Conference Series, 200(SECTION 3).
Contributors: * , L. Svistov *, L. Prozorova*, A. Zheludev *, M. Lumsden *, E. Ressouche *, O. Petrenko *, M. Hagiwara *
Source: ORCID
Added: December 4, 2020
2010 journal article
Graphenated IR Screens
IEEE SENSORS JOURNAL, 10(3), 419–422.
Contributors: A. Banerjee *, D. Moeller*, n & H. Grebel *
author keywords: Graphene; IR measurement; IR screen; Raman measurement
Sources: Web Of Science, ORCID
Added: August 6, 2018
2010 journal article
Heterogeneous Dielectric and Hydrogen Bonding Environment of Transmembrane Peptides
Biophysical Journal, 98(3), 87a.
TL;DR:
It was concluded that such combination of EPR techniques significantly expands the capabilities of spin-labeling methods in studies of membrane proteins as demonstrated by deriving profiles of heterogeneous dielectric and hydrogen bonding environment along a typical transmembrane alpha-helix.
(via Semantic Scholar)
Sources: Crossref, ORCID
Added: February 24, 2020
2010 journal article
Micro-fluidic channels on nanopatterned substrates: Monitoring protein binding to lipid bilayers with surface-enhanced Raman spectroscopy
CHEMICAL PHYSICS LETTERS, 489(1-3), 121–126.
Contributors: A. Banerjee*, R. Perez-Castillejos*, D. Hahn *, n & H. Grebel *
TL;DR:
It was revealed that non-bound molecules were easily washed away and that large suspended cells (Salmonella enterica) are less likely to interfere with the monitoring process: when focusing to the lower surface of the channel, one may resolve mostly the bound molecules.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
Sources: Web Of Science, ORCID
Added: August 6, 2018
2010 journal article
Mott transition in Ga-doped MgxZn1-xO: A direct observation
MATERIALS SCIENCE AND ENGINEERING B-ADVANCED FUNCTIONAL SOLID-STATE MATERIALS, 171(1-3), 90–92.
Contributors: W. Wei n, S. Nori n, C. Jin n, J. Narayan n , R. Narayan n, D. Ponarin n, n
author keywords: Mott transition; Magnesium zinc oxide; Gallium doping; Thin film; Pulsed laser deposition
Sources: Web Of Science, ORCID
Added: August 6, 2018
2010 journal article
Reversible room temperature ferromagnetism in undoped zinc oxide: Correlation between defects and physical properties
Journal of Applied Physics, 108(7), 073510.
Contributors: S. Mal n, S. Nori n, C. Jin n, J. Narayan n , S. Nellutla n, n , J. Prater
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy
(OpenAlex)
Sources: Crossref, ORCID, NC State University Libraries
Added: August 6, 2018
2010 journal article
Surface Electrostatics and Lipid-Substrate Interactions of Nanopore-Confined Lipid Bilayers
Biophysical Journal, 98(3), 402a.
Sources: Crossref, ORCID
Added: August 28, 2020
2009 journal article
Detection of localized ferromagnetic resonance in a continuous thin film via magnetic resonance force microscopy
PHYSICAL REVIEW B, 79(13).
Contributors: E. Nazaretski *, D. Pelekhov*, I. Martin *, M. Zalalutdinov, D. Ponarin n, n , P. Hammel *, R. Movshovich *
author keywords: ferromagnetic materials; ferromagnetic resonance; magnetic force microscopy; magnetic thin films; micromagnetics; Permalloy
UN Sustainable Development Goal Categories
11. Sustainable Cities and Communities
(Web of Science)
Sources: Web Of Science, ORCID
Added: August 6, 2018
2009 conference paper
Low-frequency spin dynamics of the frustrated pyrochlore magnet Gd <inf>2</inf>Ti<inf>2</inf>O<inf>7</inf>
Journal of Physics: Conference Series, 150(4).
Contributors: * , S. Sosin *, V. Glazkov *, O. Petrenko *, G. Balakrishnan * & M. Zhitomirsky*
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy
(OpenAlex)
Source: ORCID
Added: December 4, 2020
2009 patent
Nanotube structures having a surfactant bilayer inner wall coating
Source: NC State University Libraries
Added: August 6, 2018
2009 article
Spin Probes and Spin Labels
Encyclopedia of Analytical Chemistry.
Source: ORCID
Added: December 4, 2020
2009 journal article
Spin-Labeled pH-Sensitive Phospholipids for Interfacial pKa Determination: Synthesis and Characterization in Aqueous and Micellar Solutions
The Journal of Physical Chemistry B, 113(11), 3453–3460.
Contributors: M. Voinov n, I. Kirilyuk n & n
MeSH headings : Electrochemistry; Electron Spin Resonance Spectroscopy; Hydrogen-Ion Concentration; Indicators and Reagents; Kinetics; Mercaptoethanol / chemistry; Micelles; Models, Molecular; Nitrogen / chemistry; Phospholipids / chemistry; Solutions; Spin Labels; Water
TL;DR:
The synthesis and characterization of spin-labeled phospholipids with pH-reporting nitroxides that are covalently attached to the lipid's polar headgroup are being reported, indicating that in mixed aqueous/organic solvents, the amphiphilic lipid molecules could be shielded from changing bulk conditions by a local shell of solvent molecules.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
6. Clean Water and Sanitation
(OpenAlex)
Sources: Web Of Science, ORCID, Crossref
Added: August 6, 2018
2009 journal article
Two-dimensional Calorimetry: Imaging Thermodynamics and Kinetics of Phase Transitions of Biological Membranes
Biophysical Journal, 96(3), 549a.
TL;DR:
Two main advantages of the 2D-calorimetry method are demonstrated: 1) 2D temperature-time thermal image separates and characterizes equilibrium and non-equilibrium thermal properties of a sample; 2) the method improves signal-to-noise ratio for conventional DSC measurements of equilibrium heat capacity as a function of temperature.
(via Semantic Scholar)
Sources: Crossref, ORCID
Added: August 28, 2020
2008 journal article
Characterization of magnetic and electronic properties of trimetallic nitride endohedral fullerenes by SQUID magnetometry and electron paramagnetic resonance
CHEMICAL PHYSICS LETTERS, 453(4-6), 233–237.
Contributors: T. Smirnova n , n , T. Chadwick n & K. Walker*
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
Sources: Web Of Science, ORCID
Added: August 6, 2018
2008 journal article
Defect dependent ferromagnetism in MgO doped with Ni and Co
Applied Physics Letters, 93(8), 082507.
Contributors: J. Narayan n , S. Nori n, D. Pandya *, D. Avasthi* & n
Sources: Crossref, ORCID, NC State University Libraries
Added: August 6, 2018
2008 journal article
Interfacial Surface Properties of Thiol-Protected Gold Nanoparticles: A Molecular Probe EPR Approach
Langmuir, 24(3), 609–612.
Contributors: V. Khlestkin n, J. Polienko n, M. Voinov n, n & V. Chechik n
TL;DR:
A molecular probe technique for accessing interfacial surface electrostatics of ligand-protected gold nanoparticles using a series of ligands with variable length of the hydrocarbon bridge between the anchoring sulfur and the reporting pH-sensitive nitroxide is presented.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
6. Clean Water and Sanitation
(OpenAlex)
Sources: Web Of Science, ORCID, Crossref
Added: August 6, 2018
2008 journal article
Mapping Local Protein Electrostatics by EPR of pH-Sensitive Thiol-Specific Nitroxide
Biochemistry, 47(20), 5626–5637.
MeSH headings : Calibration; Electron Spin Resonance Spectroscopy; Hydrogen-Ion Concentration; Nitrogen Oxides / chemistry; Proteins / chemistry; Protons; Sensitivity and Specificity; Static Electricity; Sulfhydryl Compounds / chemistry; Titrimetry
TL;DR:
It has been demonstrated that the high accuracy of pKa determination for pH-sensitive nitroxides could be achieved regardless of the frequency of measurements or the regime of spin exchange: fast at X-band and slow at W-band.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
Sources: Web Of Science, ORCID, Crossref
Added: August 6, 2018
2008 book
Nitroxides
In Nitroxides: Applications in Chemistry, Biomedicine, and Materials Science (pp. 1–419).
Source: ORCID
Added: December 4, 2020
2008 book
Nitroxides : applications in chemistry, biomedicine, and materials science
Weinheim: Wiley-VCH.
Source: NC State University Libraries
Added: August 6, 2018
2008 journal article
Nitroxides. Applications in Chemistry, Biomedicine, and Materials Science. Von Gertz L. Likhtenshtein, Jun Yamauchi, Shin'ichi Nakatsuji, Alex I. Smirnov und Rui Tamura.
Angew. Chem., 120(50), 9739–9740.
Source: ORCID
Added: December 4, 2020
2008 journal article
Polarization-dependent fluorescence of proteins bound to nanopore-confined lipid bilayers
The Journal of Chemical Physics, 129(9), 095102.
Contributors: R. Li*, A. Marek n, n & H. Grebel *
MeSH headings : Binding Sites; Chemistry, Physical; Computer Simulation; Fluorescence; Lipid Bilayers / chemistry; Models, Chemical; Nanostructures / chemistry; Proteins / chemistry; Time Factors
TL;DR:
A novel biosensing platform designed to enhance signals of fluorescence markers to understand physical mechanisms responsible for drug targeting and the implications for enhanced fluorescence detection in a biochip format are being discussed.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
Sources: Crossref, ORCID, NC State University Libraries
Added: August 6, 2018
2008 journal article
Post-processing of IEPR spectra by convolution filtering: Calculation of a harmonics' series and automatic separation of fast-motion components from spin-label EPR spectra
JOURNAL OF MAGNETIC RESONANCE, 190(1), 154–159.
author keywords: EPR; data processing; filtering; spin-labeling EPR; data modeling; membrane peptides
MeSH headings : Computer Simulation; Cyclic N-Oxides; Electron Spin Resonance Spectroscopy / methods; Least-Squares Analysis; Signal Processing, Computer-Assisted; Spin Labels; Stearic Acids / chemistry
TL;DR:
This communication reports on post-processing of continuous wave EPR spectra by a digital convolution with filter functions that are subjected to differentiation or the Kramers-Krönig transform analytically, which improves spectral resolution in the higher harmonics enhancing the relative amplitude of sharp spectral features over the broad lines.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
Sources: Web Of Science, ORCID
Added: August 6, 2018
2008 book
Recent Advances in ESR Techniques and Methods Employed in Nitroxide Experiments
In Nitroxides: Applications in Chemistry, Biomedicine, and Materials Science (pp. 121–159).
Source: ORCID
Added: December 4, 2020
2008 journal article
Triplet spin resonance of the Haldane magnet Pb Ni2 V2 O8 with interchain coupling
Physical Review B - Condensed Matter and Materials Physics, 77(10).
Contributors: * , V. Glazkov *, T. Kashiwagi *, S. Kimura *, M. Hagiwara *, K. Kindo*, A. Shapiro*, L. Demianets*
Source: ORCID
Added: December 4, 2020
2007 journal article
Geometry of hydrogen bonds formed by lipid bilayer nitroxide probes: A high-frequency pulsed ENDOR/EPR study
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 129(12), 3476-+.
Contributors: T. Smirnova n , n , S. Paschenko n & O. Poluektov n
MeSH headings : Electron Spin Resonance Spectroscopy; Hydrogen Bonding; Lipid Bilayers / chemistry; Molecular Structure; Nitrogen Oxides / chemistry
TL;DR:
The hypothesis that HF EPR spectra are exclusively sensitive to formation of hydrogen bonds and could be used for probing the hydrogen bond network in complex biomolecular assemblies and lipid bilayers with site-directed spin-labeling methods is strengthened.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
6. Clean Water and Sanitation
(OpenAlex)
Sources: Web Of Science, ORCID
Added: August 6, 2018
2007 journal article
Mesoscopic spin clusters, phase separation, and induced order in spin-gap magnets: A review
Journal of Experimental and Theoretical Physics, 105(4), 861–879.
Contributors: * & V. Glazkov *
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy
(OpenAlex)
Source: ORCID
Added: December 4, 2020
2007 journal article
Neutron transmutation of B-10 doped diamond
DIAMOND AND RELATED MATERIALS, 16(1), 50–62.
Contributors: K. Jagannadham n, M. Reed n, M. Lance *, T. Watkins *, K. Verghese n, J. Butler*, n
author keywords: neutron irradiation; diamond; N-type
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
Sources: Web Of Science, ORCID
Added: August 6, 2018
2007 journal article
Surface enhanced Raman scattering of biospecies on anodized aluminum oxide films
CHEMICAL PHYSICS LETTERS, 440(4-6), 239–243.
Contributors: C. Zhang*, n , D. Hahn * & H. Grebel *
TL;DR:
Aluminum and nanoporous alumina platforms for detecting soft biospecies ranging from bacterial spores to protein markers are examined and clear Raman amplification is demonstrated.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
Sources: Web Of Science, ORCID
Added: August 6, 2018
2007 journal article
Triangular lattice antiferromagnet RbFe (Mo O4) 2 in high magnetic fields
Physical Review B - Condensed Matter and Materials Physics, 75(13).
Contributors: * , H. Yashiro*, S. Kimura *, M. Hagiwara *, Y. Narumi *, K. Kindo*, A. Kikkawa*, K. Katsumata *, A. Shapiro*, L. Demianets*
Source: ORCID
Added: December 4, 2020
2006 journal article
Cryogen-free superconducting magnet system for multifrequency electron paramagnetic resonance up to 12.1T
Review of Scientific Instruments, 77(3), 035108.
Contributors: n , T. Smirnova n , R. MacArthur n, J. Good & R. Hall
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy
(OpenAlex)
Sources: Crossref, ORCID, NC State University Libraries
Added: August 6, 2018
2006 journal article
Flow-Through Lipid Nanotube Arrays for Structure-Function Studies of Membrane Proteins by Solid-State NMR Spectroscopy
Biophysical Journal, 91(8), 3076–3084.
Contributors: E. Chekmenev *, P. Gor'kov*, T. Cross *, A. Alaouie n & n
MeSH headings : Aluminum Oxide / chemistry; Binding Sites; Cations, Divalent; Cations, Monovalent; Gramicidin / analogs & derivatives; Gramicidin / chemistry; Hydrogen-Ion Concentration; Lipid Bilayers / chemistry; Magnesium / chemistry; Membrane Proteins / chemistry; Nanotubes; Nuclear Magnetic Resonance, Biomolecular; Oxygen Isotopes; Potassium / chemistry; Protein Array Analysis; Temperature
TL;DR:
A large number of solid-state NMR-based studies, including structure-function, drug screening, proton exchange, pH, and other titration experiments, will benefit significantly from the method described here.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
Sources: NC State University Libraries, ORCID
Added: August 6, 2018
2006 journal article
Formation of a ripple phase in nanotubular dimyristoylphosphatidylcholine Bilayers confined inside nanoporous aluminum oxide substrates observed by DSC
LANGMUIR, 22(13), 5563–5565.
Contributors: A. Alaouie n & n
MeSH headings : Aluminum Oxide; Calorimetry, Differential Scanning; Dimyristoylphosphatidylcholine / chemistry; Electrochemistry; Electron Spin Resonance Spectroscopy; Lipid Bilayers / chemistry; Nanotubes / chemistry; Thermodynamics
TL;DR:
The pretransition indicates that nanotubular bilayers could exist in a ripple phase, whereas hysteresis points to a similarity in the phase transition mechanisms.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
Sources: Web Of Science, ORCID
Added: August 6, 2018
2006 journal article
Magnetic phase diagram, critical behavior, and two-dimensional to three-dimensional crossover in the triangular lattice antiferromagnet RbFe (Mo O4) 2
Physical Review B - Condensed Matter and Materials Physics, 74(2).
Contributors: L. Svistov*, * , L. Prozorova*, O. Petrenko *, A. Micheler*, N. Büttgen*, A. Shapiro*, L. Demianets*
Source: ORCID
Added: December 4, 2020
2006 journal article
Source: ORCID
Added: December 4, 2020
2006 journal article
Magnetic resonance of collective states in spin-gap magnets
Journal of Magnetism and Magnetic Materials, 300(1), 216–220.
Contributors: * & V. Glazkov *
author keywords: spin-gap; spin chains; magnetic resonance
Source: ORCID
Added: December 4, 2020
2006 journal article
Ultra-stable temperature control in EPR experiments: Thermodynamics of gel-to-liquid phase transition in spin-labeled phospholipid bilayers and bilayer perturbations by spin labels
JOURNAL OF MAGNETIC RESONANCE, 182(2), 229–238.
Contributors: A. Alaouie n & n
author keywords: lipid bilayer; phase transition; variable temperature accessory; cooperativity
MeSH headings : Electron Spin Resonance Spectroscopy / instrumentation; Equipment Design; Lipid Bilayers / chemistry; Phospholipids / chemistry; Spin Labels; Temperature
TL;DR:
The data provide DSC and EPR evidence that in studies of the gel-to-liquid phase transition, the effect of bilayer perturbation by spin-labeled lipids is negligible and therefore thermodynamic parameters of the phase transition can be accurately measured byspin-labeling EPR.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
Sources: Web Of Science, ORCID
Added: August 6, 2018
2005 journal article
Adiabatic demagnetization of a pyrochlore antiferromagnet Gd<inf>2</inf>Ti<inf>2</inf>O<inf>7</inf>
Journal of Magnetism and Magnetic Materials, 290-291 PART 1, 709–711.
Contributors: S. Sosin *, L. Prozorova*, * , A. Golov *, I. Berkutov*, O. Petrenko *, G. Balakrishnan *, M. Zhitomirsky*
author keywords: magnetocaloric effect; frustration; rare-earth compounds
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy
(OpenAlex)
Source: ORCID
Added: December 4, 2020
2005 journal article
Antioxidant pool in beer and kinetics of EPR spin-trapping
JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY, 53(17), 6870–6876.
Contributors: N. Kocherginsky n, Y. Kostetski n & n
author keywords: beer; EPR; nitroxides; reducing power; spin traps; lag period; antioxidant pool
MeSH headings : Antioxidants / analysis; Beer / analysis; Cyclic N-Oxides; Electron Spin Resonance Spectroscopy; Ethanol / analysis; Kinetics; Nitrogen Oxides; Oxidation-Reduction; Spin Labels
TL;DR:
It is demonstrated that the total kinetics of the process can be characterized by three parameters-the lag period, the rate of spin-trap adduct formation, and, finally, the steady-state spin-adduct concentration.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
13. Climate Action
(Web of Science)
Sources: Web Of Science, ORCID
Added: August 6, 2018
2005 journal article
Cooperativity and kinetics of phase transitions in nanopore-confined bilayers studied by differential scanning calorimetry
BIOPHYSICAL JOURNAL, 88(2), L11–L13.
Contributors: A. Alaouie n & n
MeSH headings : Calorimetry, Differential Scanning / methods; Computer Simulation; Dimyristoylphosphatidylcholine / analysis; Dimyristoylphosphatidylcholine / chemistry; Kinetics; Lipid Bilayers / analysis; Lipid Bilayers / chemistry; Liposomes / chemistry; Models, Chemical; Molecular Conformation; Nanostructures / analysis; Nanostructures / chemistry; Nanostructures / ultrastructure; Phase Transition; Porosity; Surface Properties; Temperature
TL;DR:
This analysis shows that although confinement of bilayers to the nanopores of approximately 177 nm in diameter results in a more than threefold longer characteristic time of the lipid rearrangement and a decrease in the cooperative unit number, the phase transition temperature is unaffected.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
Sources: Web Of Science, ORCID
Added: August 6, 2018
2005 journal article
Field-controlled phase separation at the impurity-induced magnetic ordering in the spin-peierls magnet CuGeO<inf>3</inf>
Physical Review Letters, 94(5).
Contributors: V. Glazkov *, * , H. Von Nidda *, A. Loidl *, K. Uchinokura* & T. Masuda *
TL;DR:
The paramagnetic fraction surviving at the impurity-induced antiferromagnetic phase transition in the spin-Peierls magnet CuGeO3 is found to increase with an external magnetic field.
(via Semantic Scholar)
Source: ORCID
Added: December 4, 2020
2005 journal article
Magnetocaloric effect in pyrochlore antiferromagnet Gd<inf>2</inf>Ti<inf>2</inf>O<inf>7</inf>
Physical Review B - Condensed Matter and Materials Physics, 71(9).
Contributors: S. Sosin *, L. Prozorova*, * , A. Golov *, I. Berkutov*, O. Petrenko *, G. Balakrishnan *, M. Zhitomirsky*
Source: ORCID
Added: December 4, 2020
2005 journal article
N-15 and P-31 solid-state NMR study of transmembrane domain alignment of M2 protein of influenza A virus in hydrated cylindrical lipid bilayers confined to anodic aluminum oxide nanopores
JOURNAL OF MAGNETIC RESONANCE, 173(2), 322–327.
Contributors: E. Chekmenev *, J. Hu *, P. Gor'Kov*, W. Brey*, T. Cross *, A. Ruuge n, n
author keywords: solid-state NMR; membrane proteins; bilayer alignment; PISEMA; nanoporous substrate; anodic aluminum oxide
MeSH headings : Aluminum Oxide; Influenza A virus / chemistry; Lipid Bilayers / chemistry; Membrane Proteins / chemistry; Nitrogen Isotopes; Nuclear Magnetic Resonance, Biomolecular / methods; Phosphorus Isotopes; Protein Conformation; Viral Proteins / chemistry
TL;DR:
This communication reports the first example of a high resolution solid-state 15N 2D PISEMA NMR spectrum of a transmembrane peptide aligned using hydrated cylindrical lipid bilayers formed inside nanoporous anodic aluminum oxide (AAO) substrates.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
Sources: Web Of Science, ORCID
Added: August 6, 2018
2005 journal article
Practical conditions and limitations for high-spatial-resolution multisite EPR oximetry
APPLIED MAGNETIC RESONANCE, 28(1-2), 69–78.
Contributors: V. Grinberg, n , O. Grinberg*, S. Grinberg*, . J.A. O'Hara & H. Swartz *
TL;DR:
It has been shown that the spectral overlap from the adjacent sites can be neglected if the splitting between the corresponding lines exceeds the largest line width by at least a factor of 1.3, and it was confirmed that the error in line width determination at L-band is proportional to the noise-to-signal ratio.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
Sources: Web Of Science, ORCID
Added: August 6, 2018
2005 journal article
Structural studies of New Zealand pounamu using Mossbauer spectroscopy and electron paramagnetic resonance
JOURNAL OF THE ROYAL SOCIETY OF NEW ZEALAND, 35(4), 385–398.
Contributors: W. Tennant, R. Claridge*, C. Mc Cammon *, n & R. Beck
author keywords: pounamu; greenstone; Mossbauer spectroscopy; electron paramagnetic resonance
UN Sustainable Development Goal Categories
13. Climate Action
(Web of Science)
14. Life Below Water
(Web of Science)
Sources: Web Of Science, ORCID
Added: August 6, 2018
2005 journal article
Synthesis, Structure, and X-Band (9.5 GHz) EPR Characterization of the New Series of pH-Sensitive Spin Probes: N,N-Disubstituted 4-Amino-2,2,5,5-tetramethyl-3-imidazoline 1-Oxyls
The Journal of Organic Chemistry, 70(24), 9702–9711.
Contributors: M. Voinov*, J. Polienko*, T. Schanding*, A. Bobko *, V. Khramtsov *, Y. Gatilov*, T. Rybalova *, * , I. Grigor'ev*
MeSH headings : Electron Spin Resonance Spectroscopy / methods; Hydrogen-Ion Concentration; Imidazolines / chemical synthesis; Imidazolines / chemistry; Molecular Structure; X-Ray Diffraction
TL;DR:
An alternative approach for pKa determination is demonstrated that is based on measuring the peak-to-peak line width of the EPR spectrum in the presence of the paramagnetic broadening agent potassium ferricyanide.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
6. Clean Water and Sanitation
(OpenAlex)
Sources: Web Of Science, ORCID, Crossref
Added: August 6, 2018
2005 journal article
The method of possible states and its application to the chemical thermodynamic analysis of nonequilibrium processes in a multicomponent mixture of reacting gases under isobaric adiabatic conditions
Theoretical Foundations of Chemical Engineering, 39(3), 250–258.
Source: ORCID
Added: December 4, 2020
2005 journal article
Use of nitroxide spin probes and electron paramagnetic resonance for assessing reducing power of beer. Role of SH groups
JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY, 53(4), 1052–1057.
Contributors: N. Kocherginsky n, Y. Kostetski n & n
author keywords: beer; EPR; nitroxides; reducing power; spin traps; antioxidant pool
MeSH headings : Beer / analysis; Cyclic N-Oxides / chemistry; Electron Spin Resonance Spectroscopy; Kinetics; Oxidation-Reduction; Spin Labels; Sulfhydryl Compounds / analysis; Sulfhydryl Compounds / chemistry; Triacetoneamine-N-Oxyl / chemistry
TL;DR:
It is demonstrated that the nitroxide reduction is sensitive to the presence of solvent-accessible SH groups of proteins present in beer, and quantitative analysis of reduction kinetics of small water-soluble nitroxides such as TEMPO and TEMPOL can be used to assess the reducing power of beer.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
6. Clean Water and Sanitation
(OpenAlex)
13. Climate Action
(Web of Science)
Sources: Web Of Science, ORCID
Added: August 6, 2018
2004 article
Convolution-Based Algorithm: from Analysis of Rotational Dynamics to EPR Oximetry and Protein Distance Measurements
EPR: Instrumental Methods, pp. 277–348.
Source: ORCID
Added: December 4, 2020
2004 article
High Field ESR: Applications to Protein Structure and Dynamics
Very High Frequency (VHF) ESR/EPR, pp. 95–143.
TL;DR:
This review focuses mainly on HF ESR spin-labeling techniques, primarily via nitroxide spin labels, as this method is the most flexible and is even applicable to proteins which are otherwise ESR-silent.
(via Semantic Scholar)
Source: ORCID
Added: December 4, 2020
2004 journal article
Interaction of triplet excitations with spin chain ends in the Haldane magnet PbNi<inf>2</inf>V<inf>2</inf>O<inf>8</inf>
Journal of Magnetism and Magnetic Materials, 272-276, 880–881.
Contributors: * , H. Krug Von Nidda *, A. Loidl *, L. Demianets* & A. Shapiro*
author keywords: low dimensional magnets; Haldane gap; spin chains
Source: ORCID
Added: December 4, 2020
2004 journal article
Investigation of the electronic and structural properties of potassium hexaboride, KB6, by transport, magnetic susceptibility, EPR, and NMR measurements, temperature-dependent crystal structure determination, and electronic band structure calculations
INORGANIC CHEMISTRY, 43(16), 4974–4987.
Contributors: A. Ammar, M. Ménétrier, A. Villesuzanne, S. Matar, B. Chevalier, J. Etourneau, G. Villeneuve*, J. Rodríguez-Carvajal*
TL;DR:
The temperature-dependent crystal structure determination of KB(6) shows the occurrence of an unusual variation in the unit cell parameter hence supporting that the hysteresis of the magnetic susceptibility is a bulk phenomenon.
(via Semantic Scholar)
Sources: Web Of Science, ORCID
Added: August 6, 2018
2004 journal article
Site-Directed Electrostatic Measurements with a Thiol-Specific pH-Sensitive Nitroxide: Differentiating Local pK and Polarity Effects by High-Field EPR
Journal of the American Chemical Society, 126(29), 8872–8873.
MeSH headings : Electron Spin Resonance Spectroscopy / methods; Hydrogen-Ion Concentration; Imidazoles / chemistry; Kinetics; Mesylates / chemistry; Nitrogen Oxides / chemistry; Peptides / chemistry; Protein Folding; Spin Labels; Static Electricity; Sulfhydryl Compounds / chemistry
TL;DR:
Using EPR at 95 GHz (W-band) isotropic magnetic parameters of this nitroxide, both Aiso and giso, were calibrated in solvents of different polarity and pH, making it possible to differentiate effects of local polarity from N3 protonation on nitroxides EPR spectra.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
6. Clean Water and Sanitation
(OpenAlex)
Sources: Web Of Science, ORCID, Crossref
Added: August 6, 2018
2003 journal article
Dynamic molecular oxygen accessibility to a buried Mn2+ protein site: A high-field EPR experiment
JOURNAL OF PHYSICAL CHEMISTRY B, 107(29), 7212–7215.
Contributors: T. Smirnova n & n
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
Sources: Web Of Science, ORCID
Added: August 6, 2018
2003 journal article
Microscopic magnetic phase separation at the impurity stimulated antiferromagnetic ordering of two spin-gap magnets
Physica B: Condensed Matter, 329-333(II), 699–700.
Contributors: * , V. Glazkov *, T. Masuda *, K. Uchinokura*, L. Demianets* & A. Shapiro*
author keywords: low-dimensional magnetism; spin-gap; impurity induced magnetic ordering
Source: ORCID
Added: December 4, 2020
2003 journal article
Spin-Labeling in High-Field EPR
ChemInform, 34(33).
Source: ORCID
Added: December 4, 2020
2003 journal article
Structural phase transition in the two-dimensional triangular lattice antiferromagnet RbFe(MoO<inf>4</inf>)<inf>2</inf>
Physical Review B - Condensed Matter and Materials Physics, 68(17).
Contributors: S. Klimin, M. Popova, B. Mavrin, P. Loosdrecht *, L. Svistov*, * , L. Prozorova*, H. Nidda*
Source: ORCID
Added: December 4, 2020
2003 journal article
Substrate-supported lipid nanotube arrays
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 125(28), 8434–8435.
Contributors: n & O. Poluektov n
MeSH headings : Aluminum Oxide / chemistry; Anisotropy; Electron Spin Resonance Spectroscopy; Lipid Bilayers / chemistry; Nanotechnology / methods; Phospholipids / chemistry
TL;DR:
It is proposed that substrate-supported lipid nanotube arrays have potential for building robust biochips and biosensors in which rigid nanoporous substrates protect the bilayer surface from contamination.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
Sources: Web Of Science, ORCID
Added: August 6, 2018
2003 journal article
Triangular lattice antiferromagnet RbFe(MoO<inf>4</inf>)<inf>2</inf>in an applied magnetic field
Journal of Magnetism and Magnetic Materials, 258-259, 394–397.
author keywords: two-dimensional antiferromagnet; triangular spin structure
Source: ORCID
Added: December 4, 2020
2002 journal article
Paramagnetic and antiferromagnetic resonances in the diamagnetically diluted Haldane magnet PbNi<inf>2</inf>V<inf>2</inf>O<inf>8</inf>
Physical Review B - Condensed Matter and Materials Physics, 65(17), 1744221–1744228.
Contributors: * , V. Glazkov *, H. Nidda *, A. Loidl *, L. Demianets* & A. Shapiro*
Source: ORCID
Added: December 4, 2020
2002 journal article
Separation of the magnetic phases at the Néel point in the diluted spin-Peierls magnet (formula presented)
Physical Review B - Condensed Matter and Materials Physics, 65(14), 1–7.
Contributors: V. Glazkov *, * , K. Uchinokura* & T. Masuda *
Source: ORCID
Added: December 4, 2020
2001 journal article
High field electron paramagnetic resonance of Gd3+-doped glasses: Line shapes and average ion distances in silicates
JOURNAL OF CHEMICAL PHYSICS, 115(16), 7650–7656.
Contributors: n & S. Sen *
UN Sustainable Development Goal Categories
12. Responsible Consumption and Production
(Web of Science)
Sources: Web Of Science, ORCID
Added: August 6, 2018
2001 journal article
High spatial resolution multi-site EPR oximetry - The use of a convolution-based fitting method
JOURNAL OF MAGNETIC RESONANCE, 152(2), 247–258.
Contributors: O. Grinberg*, n & H. Swartz *
author keywords: EPR oximetry; multi-site EPR oximetry; tissue pO(2); convolution-based fitting
MeSH headings : Algorithms; Electron Spin Resonance Spectroscopy / methods; Oximetry / instrumentation; Oximetry / methods; Oxygen / metabolism; Tissue Distribution
TL;DR:
A new method to enhance the spatial resolution of multi-site electron paramagnetic resonance (EPR) oximetry is described, based on consecutive applications of magnetic field gradients with the same direction but with a different magnitude and uses a convolution-based fitting algorithm to derive Lorentzian EPR linewidths of each individual peak of the EPR spectrum.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
Sources: Web Of Science, ORCID
Added: August 6, 2018
2001 journal article
Investigating magnetically aligned phospholipid bilayers with EPR spectroscopy at 94 GHz
JOURNAL OF MAGNETIC RESONANCE, 151(2), 253–259.
Contributors: M. Mangels*, A. Harper*, n , K. Howard* & G. Lorigan *
author keywords: model membrane; nitroxide spin label; EPR spectroscopy; high-field EPR; orientation
MeSH headings : Dimyristoylphosphatidylcholine / chemistry; Electron Spin Resonance Spectroscopy / methods; Lipid Bilayers / chemistry; Phosphatidylcholines / chemistry; Phospholipids / chemistry; Signal Processing, Computer-Assisted; Spin Labels
TL;DR:
The development of this new spin label alignment technique will open up a whole new area of investigation for phospholipid bilayer systems and membrane protein EPR studies at high magnetic fields.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
Sources: Web Of Science, ORCID
Added: August 6, 2018
2001 journal article
Multifrequency electron paramagnetic resonance of ultramarine blue
Applied Magnetic Resonance, 21(3-4), 563–570.
Contributors: G. Eaton *, S. Eaton *, J. Stoner*, R. Quine *, G. Rinard*, * , R. Weber, J. Krzystek *
Source: ORCID
Added: December 4, 2020
2001 journal article
Redox Properties of C 6 S 8 n - and C 3 S 5 n - ( n = 0, 1, 2): Stable Radicals and Unusual Structural Properties for C−S−S−C Bonds
Inorg. Chem., 40(7), 1421–1429.
Contributors: J. Breitzer*, * , L. Szczepura *, S. Wilson * & T. Rauchfuss *
MeSH headings : Carbon Compounds, Inorganic / chemical synthesis; Carbon Compounds, Inorganic / chemistry; Crystallography, X-Ray; Electron Spin Resonance Spectroscopy; Models, Molecular; Molecular Structure; Oxidation-Reduction; Sulfides / chemical synthesis; Sulfides / chemistry
TL;DR:
The new anionic carbon sulfides C6S10 (2-) and C12S16(2-) are described and crystallographically characterized and the similarity of the cyclic voltammogram of (Me4N)2C6S 10 to that of ( me4N-2C3S5) indicates that C 6S10(2)- is the initial oxidation product of C3S 5(2-).
(via Semantic Scholar)
Source: ORCID
Added: December 4, 2020
2001 journal article
Resolving domains of interdigitated phospholipid membranes with 95 GHz spin labeling EPR
APPLIED MAGNETIC RESONANCE, 21(3-4), 453–467.
Contributors: n & T. Smirnova n
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
Sources: Web Of Science, ORCID
Added: August 6, 2018
2001 journal article
Studies of Cetylpyridinium Chloride and Cetylpyridinium Salicylate in Solution and Adsorbed on Silica Surfaces Using X- and W-Band Electron Paramagnetic Resonance Spectroscopy
Langmuir, 17(8), 2346–2356.
Source: ORCID
Added: December 4, 2020
2000 journal article
ESR study of the residual magnetism in the spin-Peierls phase
Physica B: Condensed Matter, 284-288(PART II), 1649–1650.
author keywords: CuGeO3; low-dimensional magnetism; spin clusters; spin-Peierls crystal
Source: ORCID
Added: December 4, 2020
2000 journal article
Synthesis, single crystal X-ray structure and W-band (95 GHz) EPR spectroscopy of a new anionic isoindoline aminoxyl: synthesis and characterisation of some derivatives
J. Chem. Soc., Perkin Trans. 2, (7), 1285–1291.
Contributors: S. Bottle*, D. Gillies*, D. Hughes *, A. Micallef *, * & L. Sutcliffe*
Source: ORCID
Added: December 4, 2020
1999 journal article
A new water-soluble and lipid-insoluble spin probe: application to the study of aqueous sucrose solutions
Magn. Reson. Chem., 37(1), 36–42.
Contributors: P. Belton*, L. Sutcliffe*, D. Gillies*, X. Wu * & *
author keywords: ESR; spin probe; aqueous sucrose; rotational correlation times
UN Sustainable Development Goal Categories
6. Clean Water and Sanitation
(OpenAlex)
Source: ORCID
Added: December 4, 2020
1999 journal article
A new water‐soluble and lipid‐insoluble spin probe: application to the study of aqueous sucrose solutions
Magn. Reson. Chem., 37(1), 36–42.
UN Sustainable Development Goal Categories
6. Clean Water and Sanitation
(OpenAlex)
Source: ORCID
Added: December 4, 2020
1999 journal article
Bioreduction of Tempone and Spin-Labeled Gentamicin by Gram-Negative Bacteria: Kinetics and Effect of Ultrasound
Archives of Biochemistry and Biophysics, 362(2), 233–241.
Contributors: N. Rapoport*, * , W. Pitt * & A. Timoshin
author keywords: bioreduction; Pseudomonas aeruginosa; E-coli; EPR; tempone; gentamicin; cell membrane permeability
MeSH headings : Cell Membrane / drug effects; Cell Membrane / metabolism; Cell Membrane Permeability / drug effects; Cell Wall / drug effects; Cell Wall / metabolism; Edetic Acid / pharmacology; Electron Spin Resonance Spectroscopy; Electron Transport / drug effects; Escherichia coli / drug effects; Escherichia coli / metabolism; Gentamicins / metabolism; Kinetics; Nitrogen / metabolism; Nitrogen Oxides / metabolism; Oxidation-Reduction / drug effects; Oxygen / metabolism; Periplasm / drug effects; Periplasm / metabolism; Pseudomonas aeruginosa / drug effects; Pseudomonas aeruginosa / metabolism; Sodium Azide / pharmacology; Sonication; Spin Labels; Triacetoneamine-N-Oxyl / metabolism; Vitamin K / pharmacology
TL;DR:
Findings imply that the recently observed synergistic effect between hydrophilic antibiotics and low frequency ultrasound in killing gram-negative bacteria did not result from the enhanced antibiotic penetration through bacterial cell walls.
(via Semantic Scholar)
Source: ORCID
Added: December 4, 2020
1999 journal article
Interaction of Gd(III) MRI contrast agents with membranes: A review of recent EPR studies
Magnetic Resonance Materials in Physics, Biology and Medicine, 8(3), 214–229.
Source: ORCID
Added: December 4, 2020
1999 journal article
Interaction of Gd(III) MRI contrast agents with membranes: a review of recent EPR studies
MAGMA, 8(3), 214–229.
MeSH headings : Chelating Agents / chemistry; Electromagnetic Fields; Electron Spin Resonance Spectroscopy / methods; Gadolinium / chemistry; Gadolinium / metabolism; Heterocyclic Compounds / chemistry; Heterocyclic Compounds / metabolism; Magnetic Resonance Imaging / methods; Membrane Lipids / metabolism; Organometallic Compounds / chemistry; Organometallic Compounds / metabolism; Pentetic Acid / chemistry; Pentetic Acid / metabolism; Spectrophotometry; Spin Labels; Temperature
TL;DR:
It is shown that the spin label EPR method can be used to detect presence and possible location of lipophilic contrast agents in the model membranes, changes and distortions in membrane organization upon interaction with the PCAs, and changes in the local polarity of the bilayer and its phase behavior due to addition of Gd3+ complexes.
(via Semantic Scholar)
Source: ORCID
Added: December 4, 2020
1999 journal article
Magnetic resonance imaging in a hands-on student experiment using an EPR spectrometer
Concepts Magn. Reson., 11(5), 277–290.
Source: ORCID
Added: December 4, 2020
1999 journal article
Magnetic resonance imaging in a hands‐on student experiment using an EPR spectrometer
Concepts Magn. Reson., 11(5), 277–290.
Source: ORCID
Added: December 4, 2020
1999 journal article
Solution Electron Affinity Perturbation Due to the Deuteration of [16]Annulene
J. Phys. Chem. A, 103(42), 8566–8572.
Contributors: T. Kurth*, E. Brown *, * , R. Reiter* & C. Stevenson *
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy
(OpenAlex)
Source: ORCID
Added: December 4, 2020
1999 journal article
Synthesis and characterization of ReV, ReVI and ReVII complexes of the [α2-P2W17O61]10– isomer
J. Chem. Soc., Dalton Trans., (3), 301.
Source: ORCID
Added: December 4, 2020
1998 report
Coal and Coal Constituent Studies by Advanced EMR Techniques
Source: ORCID
Added: December 4, 2020
1998 journal article
Electron paramagnetic resonance W-band spectrometer with a low-noise amplifier
Applied Magnetic Resonance, 16(2), 167–183. http://www.scopus.com/inward/record.url?eid=2-s2.0-0032252841&partnerID=MN8TOARS
Source: ORCID
Added: December 4, 2020
1998 journal article
Lipid Magnetic Resonance Imaging Contrast Agent Interactions: A Spin-Labeling and a Multifrequency EPR Study
J. Am. Chem. Soc., 120(20), 5060–5072.
TL;DR:
The interactions of two lipophilic magnetic resonance imaging paramagnetic contrast agents, gadolinium complexes of 1,4,7,10-tetraazacyclodododecane-N-(n-pentyl)-N’,N‘‘, N’‘-triacetic acid and 3,6,9-triaza-3,6-9-tris(carboxymethyl)-4-(4-ethoxybenz
(via Semantic Scholar)
Source: ORCID
Added: December 4, 2020
1998 journal article
Multi-frequency EPR determination of zero field splitting of high spin species in liquids: Gd(III) chelates in water
Molecular Physics, 95(6), 1325–1332.
Contributors: R. Clarkson*, * , T. Smirnova* , H. Kang*, R. Belford*, K. Earle*, J. Freed *
UN Sustainable Development Goal Categories
6. Clean Water and Sanitation
(OpenAlex)
Sources: ORCID, Crossref
Added: August 28, 2020
1997 journal article
Factors Affecting the Permeability ofPseudomonas aeruginosaCell Walls toward Lipophilic Compounds: Effects of Ultrasound and Cell Age
Archives of Biochemistry and Biophysics, 344(1), 114–124.
Contributors: N. Rapoport*, * , A. Timoshin, A. Pratt* & W. Pitt *
author keywords: Pseudomonas aeruginosa; membrane permeability; spin probe; EPR; gram-negative bacteria; ultrasound; cell age
MeSH headings : Anti-Bacterial Agents / pharmacology; Calorimetry, Differential Scanning; Cell Membrane / chemistry; Cell Membrane / metabolism; Cell Membrane Permeability; Cell Wall / metabolism; Cyclic N-Oxides / metabolism; Cyclic N-Oxides / pharmacology; Detergents / pharmacology; Electron Spin Resonance Spectroscopy; Erythromycin / pharmacology; Pseudomonas aeruginosa / cytology; Pseudomonas aeruginosa / metabolism; Sodium Dodecyl Sulfate / pharmacology; Spin Labels; Temperature; Time Factors; Ultrasonics
TL;DR:
The results suggest that the resistance of gram-negative bacteria to the action of hydrophobic antibiotics was caused by a low permeability of the outer cell membranes, which may be reduced by the simultaneous application of antibiotic and ultrasound.
(via Semantic Scholar)
Source: ORCID
Added: December 4, 2020
1997 journal article
High-Frequency (95 GHz) EPR Spectroscopy To Characterize Spin Adducts
J. Phys. Chem. B, 101(19), 3877–3885.
Source: ORCID
Added: December 4, 2020
1997 journal article
Interaction of MRI Gadolinium Contrast Agents with Phospholipid Bilayers as Studied by 95 GHz EPR.
Acta Chem. Scand., 51(5), 562–566.
MeSH headings : Contrast Media / pharmacology; Electron Spin Resonance Spectroscopy; Gadolinium / pharmacology; Lipid Bilayers / chemistry; Magnetic Resonance Imaging; Phospholipids / chemistry
TL;DR:
Results show that although the presence of the more lipophilic contrast agent, Gd-DOTA-P, can be detected within the bilayer, the structural organization of the membrane remains unaffected even at physiologically high (5 mM) concentrations.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
6. Clean Water and Sanitation
(OpenAlex)
Source: ORCID
Added: December 4, 2020
1997 journal article
Matched spin probes for the study of the overall motion of model lubricants
Magnetic Resonance in Chemistry, 35(8), 493–501.
Contributors: M. Britton *, S. Fawthrop*, D. Gillies*, L. Sutcliffe*, X. Wu * & *
Source: ORCID
Added: December 4, 2020
1997 journal article
Molecular distances from dipolar coupled spin-labels: The global analysis of multifrequency continuous wave electron paramagnetic resonance data
Biophysical Journal, 72(4), 1861–1877.
MeSH headings : Algorithms; Animals; Diffusion; Electron Spin Resonance Spectroscopy; Glyceraldehyde-3-Phosphate Dehydrogenases / chemistry; Glyceraldehyde-3-Phosphate Dehydrogenases / metabolism; Mathematics; Molecular Structure; Muscle, Skeletal / enzymology; NAD / metabolism; Protein Conformation; Rabbits; Spin Labels
TL;DR:
Algorithms are developed for calculating CW-EPR spectra of immobilized, dipolar coupled nitroxides, and then used to define the limits of sensitivity to the interelectron distance as a function of geometry and microwave frequency, and the effect of rigid body isotropic rotational diffusion is investigated.
(via Semantic Scholar)
Source: ORCID
Added: December 4, 2020
1997 journal article
Quantification of coal-diesel particulate mixtures by W-band (94-GHz) electron spin resonance spectroscopy
Applied Spectroscopy, 51(9), 1429–1431.
Contributors: N. Dalal *, * & R. Belford*
author keywords: quantification; coal; diesel; ESR
Source: ORCID
Added: December 4, 2020
1997 journal article
Single-Crystal Multifrequency EPR Evidence for a Quasi-Low-Dimensional Spin Exchange in 3- n -Butyl-2,4,6-Triphenylverdazyl
J. Phys. Chem. B, 101(51), 11249–11253.
Contributors: N. Dalal *, * , T. Smirnova*, R. Belford*, A. Katritzky* & S. Belyakov*
Source: ORCID
Added: December 4, 2020
1996 journal article
EPR Linewidth (T2) Method to Measure Oxygen Permeability of Phospholipid Bilayers and Its Use to Study the Effect of Low Ethanol Concentrations
Journal of Magnetic Resonance, Series B, 111(2), 149–157.
MeSH headings : Cell Membrane Permeability / drug effects; Dose-Response Relationship, Drug; Electron Spin Resonance Spectroscopy; Ethanol / pharmacology; Humans; Lipid Bilayers; Oxygen / analysis; Phospholipids / analysis
TL;DR:
An accurate method is presented to extract the oxygen broadening from the spectra measured with and without oxygen and at the same temperature, based on a fast convolution algorithm with Levenberg-Marquardt optimization.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
6. Clean Water and Sanitation
(OpenAlex)
Source: ORCID
Added: December 4, 2020
1995 journal article
Accuracy of Oxygen Measurements inT2 (Line Width) EPR Oximetry
Magn. Reson. Med., 33(6), 801–810.
author keywords: EPR; OXIMETRY; NITROXIDE RADICALS; SPECTRA SIMULATIONS
MeSH headings : Carbon; Coal; Electron Spin Resonance Spectroscopy; Nitrous Oxide; Oximetry / methods; Solutions
TL;DR:
It is shown that the accuracy of oxygen measurements in line width (T2) EPR oximetry is determined not only by the probe sensitivity, but also by the signal‐to‐noise ratio, inhomogeneous contribution to the line shape, and the spectral window.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
6. Clean Water and Sanitation
(OpenAlex)
Source: ORCID
Added: December 4, 2020
1995 journal article
Direct measurement of the accumulation and mitochondrial conversion of nitric oxide within Chinese hamster ovary cells using an intracellular electron paramagnetic resonance technique
BBA - General Subjects, 1243(3), 496–502.
Contributors: R. Clarkson*, S. Norby*, * , S. Boyer*, N. Vahidi*, R. Nims*, D. Wink *
author keywords: NITRIC OXIDE; FUSINITE; KINETICS; EPR; IN VIVO MEASUREMENT; CHO CELL; CELL METABOLISM; MITOCHONDRION
MeSH headings : Animals; CHO Cells / metabolism; CHO Cells / ultrastructure; Carbon / analysis; Coal / analysis; Cricetinae; Electron Spin Resonance Spectroscopy / methods; Intracellular Fluid / metabolism; Kinetics; Microscopy, Electron; Mitochondria / metabolism; Nitric Oxide / metabolism; Temperature
TL;DR:
Observations suggest that under hypoxic conditions, there exists in CHO cells a metabolic pathway for the conversion of NO to diamagnetic species, which involves interactions with mitochondria.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
6. Clean Water and Sanitation
(OpenAlex)
Source: ORCID
Added: December 4, 2020
1995 journal article
Rapid Quantitation from Inhomogeneously Broadened EPR Spectra by a Fast Convolution Algorithm
Journal of Magnetic Resonance, Series A, 113(1), 65–73.
Source: ORCID
Added: December 4, 2020
1995 journal article
Simultaneous ESR measurements of the kinetics of oxygen consumption and spin label reduction by mammalian cells
Magn. Reson. Chem., 33(13), S46–S52.
author keywords: ESR; nitroxide radicals; spectral simulations; Voigt lineshape; oximetry; cell metabolism
TL;DR:
An improved method is described for accurate measurement of nitroxide intensity and linewidth, which in turn provides information about cell redox activities and oxygen concentration, and is based on fitting of ESR spectra using a fast convolution least‐squares algorithm suitable for inhomogeneously broadened ESR lines.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
6. Clean Water and Sanitation
(OpenAlex)
Source: ORCID
Added: December 4, 2020
1995 journal article
Superconducting Quantum Interference Device Magnetic Susceptibility Measurements: Determination of Free-Radical Concentrations in PMR-15 Polyimide Resin
Macromolecules, 28(20), 7026–7028.
Source: ORCID
Added: December 4, 2020
1995 journal article
Very high frequency electron paramagnetic resonance of 2,2,6,6-tetramethyl-1-piperidinyloxy in 1,2-dipalmitoyl-sn-glycero-3-phosphatidylcholine liposomes: partitioning and molecular dynamics
Biophysical Journal, 68(6), 2350–2360.
MeSH headings : 1,2-Dipalmitoylphosphatidylcholine / chemistry; Cyclic N-Oxides; Electron Spin Resonance Spectroscopy / methods; Liposomes; Magnetics; Spin Labels; Thermodynamics
TL;DR:
It was found that the motion of the small, nearly spherical, TEMPO probe can be well described by anisotropic Brownian diffusion in isotropic media and is not restricted by the much larger hydrocarbon chains existing in ripple structure (P beta') or fluid bilayer structure (L alpha) phases.
(via Semantic Scholar)
Source: ORCID
Added: December 4, 2020
1995 journal article
W-Band (95 GHz) EPR Spectroscopy of Nitroxide Radicals with Complex Proton Hyperfine Structure: Fast Motion
J. Phys. Chem., 99(22), 9008–9016.
Source: ORCID
Added: December 4, 2020
1994 journal article
Carbon-based standards for electron paramagnetic resonance spectroscopy
Applied Magnetic Resonance, 6(1-2), 287–308.
Source: ORCID
Added: December 4, 2020
1994 journal article
Half-field EPR transitions in synthetic carbohydrate chars
Solid State Communications, 91(4), 319–323.
UN Sustainable Development Goal Categories
6. Clean Water and Sanitation
(OpenAlex)
Source: ORCID
Added: December 4, 2020
1994 journal article
Magnetic Susceptibility and Spin Exchange in Fusinite and Carbohydrate Chars
J. Phys. Chem., 98(9), 2464–2468.
Source: ORCID
Added: December 4, 2020
1994 journal article
Observation of a Triplet Phosphinidene by ESR Spectroscopy
J. Am. Chem. Soc., 116(17), 7899–7900.
Source: ORCID
Added: December 4, 2020
1994 journal article
Physical and Instrumental Considerations in the Use of Lithium Phthalocyanine for Measurements of the Concentration of the Oxygen
Journal of Magnetic Resonance, Series B, 103(2), 95–102.
Contributors: * , S. Norby*, T. Walczak*, K. Liu* & H. Swartz *
TL;DR:
It is most important to recognize that paramagnetic species such as LiPc present problems that are not commonly encountered in EPR spectroscopy.
(via Semantic Scholar)
Source: ORCID
Added: December 4, 2020
1994 journal article
The effect of temperature on the respiration of cultured neural cells as studied by a novel electron paramagnetic resonance technique
Biochimica Et Biophysica Acta (BBA) - General Subjects, 1200(2), 205–214.
Contributors: * , S. Norby*, J. Weyhenmeyer * & R. Clarkson*
author keywords: NEUROBLASTOMA; RESPIRATION; ELECTRON PARAMAGNETIC RESONANCE; OXIMETRY; OXYGEN DIFFUSION; POLYMER
MeSH headings : Animals; Diffusion; Electron Spin Resonance Spectroscopy / methods; Indoles; Mathematics; Neuroblastoma / metabolism; Organometallic Compounds; Oxygen / analysis; Oxygen Consumption; Temperature; Tumor Cells, Cultured
TL;DR:
The results confirm a hypothesis that respiratory depolarizers affect only the total enzyme concentration and do not change the apparent Ea of the substrate-enzyme decomposition reaction.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
6. Clean Water and Sanitation
(OpenAlex)
Source: ORCID
Added: December 4, 2020
1993 journal article
Simultaneous multi-site EPR spectroscopyin vivo
Magn. Reson. Med., 30(2), 213–220.
Contributors: * , S. Norby*, R. Clarkson*, T. Walczak* & H. Swartz *
author keywords: ELECTRON PARAMAGNETIC RESONANCE; OXIMETRY; CARBONACEOUS MATERIALS; MYOCARDIUM
MeSH headings : Animals; Cardiomegaly / metabolism; Electron Spin Resonance Spectroscopy / methods; Female; Kidney / metabolism; Oxygen / analysis; Rats; Rats, Sprague-Dawley
TL;DR:
A gradient technique to measure electron paramagnetic resonance spectra simultaneously at several different locations using point probes containing paramagnetic centers and the maximum entropy deconvolution algorithm is successfully applied for the correction of significantly distorted lines.
(via Semantic Scholar)
Source: ORCID
Added: December 4, 2020
1992 journal article
High-field EPR imaging
Journal of Magnetic Resonance (1969), 97(1), 1–12.
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy
(OpenAlex)
Source: ORCID
Added: December 4, 2020
1992 journal article
In vivo Seed Investigation by Electron Paramagnetic Resonance Spin Probe Technique
Journal of Plant Physiology, 140(4), 447–452.
author keywords: TRITICUM-AESTIVUM; SEEDS; EMBRYO; MEMBRANE INTACTNESS; SEED VIABILITY; ELECTRON PARAMAGNETIC RESONANCE; SPIN PROBE TECHNIQUE; NITROXIDE RADICALS
TL;DR:
The experimental data indicate that some of the cellular membranes of embryos from seeds with 13 % and higher moisture content are essentially impermeable to ferricyanide ions and semipermeability to nitroxide molecules from the beginning of soaking.
(via Semantic Scholar)
Source: ORCID
Added: December 4, 2020
1992 journal article
The use of EPR for the measurement of the concentration of oxygen in vivo in tissues under physiologically pertinent conditions and concentrations
Advances in Experimental Medicine and Biology, 317, 221–228. http://www.scopus.com/inward/record.url?eid=2-s2.0-0027056754&partnerID=MN8TOARS
Contributors: H. Swartz, S. Boyer, D. Brown, K. Chang, P. Gast, J. Glockner, H. Hu, K. Liu
Source: ORCID
Added: December 4, 2020
1991 journal article
EPR imaging with natural spin probes
Journal of Magnetic Resonance (1969), 91(2), 386–391.
TL;DR:
The use of natural spin probes, as natural probes, of the water-soluble fraction of soil humic substances (HS), which contain paramagnetic centers up to 10 ‘* spin/g, exhibiting at X band a single EPR signal with a linewidth about six gauss are suggested.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
2. Zero Hunger
(OpenAlex)
Source: ORCID
Added: December 4, 2020
1991 journal article
Kinetics and mechanism of the hydrolysis of 2,4,6-trimethylbenzosulfonic acid in concentrated hydrochloric and sulfuric acid solution
Kinetics and Catalysis, 32(3 pt 1), 534–540. http://www.scopus.com/inward/record.url?eid=2-s2.0-0026259936&partnerID=MN8TOARS
Source: ORCID
Added: December 4, 2020
1990 journal article
EPR tomography of the diffusion kinetic process of the formation of Ag2+ in heterogeneous catalysts
Kinetics and Catalysis, 31(2 pt 2), 433–435. http://www.scopus.com/inward/record.url?eid=2-s2.0-0025498797&partnerID=MN8TOARS
Source: ORCID
Added: December 4, 2020
1990 journal article
Parametric spin wave testing by observation of transition processes
Journal of Magnetism and Magnetic Materials, 92(1), 116–124.
Contributors: * , P. Erhart *, B. Senning* & F. Waldner*
Source: ORCID
Added: December 4, 2020
1988 journal article
EPR tomography with rotation of magnetic-field gradient
Instruments and Experimental Techniques New York, 31(2 pt 1), 374–377. http://www.scopus.com/inward/record.url?eid=2-s2.0-0024070669&partnerID=MN8TOARS
Source: ORCID
Added: December 4, 2020
1980 journal article
Variation of the spin wave spectrum in interaction between magnons
Journal of Magnetism and Magnetic Materials, 15-18(PART 1), 385–386.
Source: ORCID
Added: December 4, 2020
article
Comparative Spin Label Spectra at X-Band and W-band
Smirnov, A. I., Belford, R. L., & Clarkson, R. B. Biological Magnetic Resonance, pp. 83–107.
Source: ORCID
Added: December 4, 2020
article
High-Field ESR Spectroscopy in Membrane and Protein Biophysics
Smirnova, T. I., & Smirnov, A. I. ESR Spectroscopy in Membrane Biophysics, pp. 165–251.
TL;DR:
The main emphasis of this chapter is on sitedirected spin-labeling (SDSL) and spin- labels ESR as an alternative and a complementary structural technique for NMR and x-ray diffraction of proteins and other complex biomolecular systems.
(via Semantic Scholar)
Source: ORCID
Added: December 4, 2020
article
Spin-labeling in high-field EPR
Smirnov, A. I. Electron Paramagnetic Resonance, pp. 109–136.
Source: ORCID
Added: December 4, 2020
Employment
Updated: March 31st, 2016 18:57
2000 - present
North Carolina State University Raleigh, NC, US
Professor
Chemistry
Education
Updated: March 31st, 2016 18:59
1987 - 1990
Moscow Institute of Physics and Technology Dolgoprudnyi, RU
PhD
Molecular and Chemical Physics
1981 - 1987
Moscow Institute of Physics and Technology Dolgoprudnyi, RU
MS
Molecular and Chemical Physics
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