Works (202)

Updated: July 15th, 2024 05:18

2024 journal article

A TriAdj-Adjuvanted <i>Chlamydia trachomatis</i> CPAF Protein Vaccine Is Highly Immunogenic in Pigs

VACCINES, 12(4).

By: J. Proctor n, M. Stadler*, L. Cortes n, D. Brodsky n, L. Poisson n, V. Gerdts*, A. Smirnov n, T. Smirnova n ...

author keywords: Chlamydia trachomatis; vaccination; adjuvant; chlamydial-protease-like activity factor; animal model; swine; one health
UN Sustainable Development Goal Categories
3. Good Health and Well-being (OpenAlex)
Sources: Web Of Science, NC State University Libraries, ORCID
Added: April 22, 2024

2024 review

Fundamental Mechanisms Underlying the Effectiveness of Nanoparticle Additives to Lubricants: 25 Examples Linking Nano- to Macroscale Friction

[Review of ]. LUBRICANTS, 12(6).

author keywords: nanoparticle additives; lubrication; QCM; nanotribology; tribotronics; friction modifiers; environmentally friendly lubricants; nanofluids
Sources: ORCID, Web Of Science, NC State University Libraries
Added: June 22, 2024

2024 article

Measuring local pH at interfaces from molecular tumbling: A concept for designing EPR-active pH-sensitive labels and probes

Voinov, M. A., Nunn, N., Rana, R., Davidsson, A., Smirnov, A. I., & Smirnova, T. I. (2024, April 18). ORGANIC & BIOMOLECULAR CHEMISTRY, Vol. 4.

Sources: ORCID, Web Of Science, NC State University Libraries
Added: May 1, 2024

2024 article

Polydopamine Nanoparticles as Mimicking RPE Melanin for the Protection of Retinal Cells Against Blue Light-Induced Phototoxicity

Kwon, Y.-S., Munsoor, J., Kaufmann, M., Zheng, M., Smirnov, A. I., & Han, Z. (2024, May 30). ADVANCED SCIENCE, Vol. 5.

By: Y. Kwon*, J. Munsoor*, M. Kaufmann*, M. Zheng*, A. Smirnov n & Z. Han*

author keywords: age-related macular degeneration; antioxidant; blue light-induced phototoxicity; polydopamine nanoparticles; reactive oxygen species
Sources: Web Of Science, NC State University Libraries
Added: June 11, 2024

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
Sources: Web Of Science, NC State University Libraries
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, NC State University Libraries
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.

By: A. Smirnov n, A. Kokorin & E. Kovaleva*

Sources: Web Of Science, NC State University Libraries
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).

Sources: ORCID, Web Of Science, NC State University Libraries
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).

By: C. Seed n, B. Acharya n, N. Nunn n, A. Smirnov n & J. Krim n

UN Sustainable Development Goal Categories
Sources: ORCID, Web Of Science, NC State University Libraries
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).

Sources: ORCID, Web Of Science, NC State University Libraries
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
7. Affordable and Clean Energy (OpenAlex)
Sources: Web Of Science, NC State University Libraries
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
6. Clean Water and Sanitation (OpenAlex)
Sources: ORCID, Web Of Science, NC State University Libraries
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, NC State University Libraries
Added: December 25, 2020

2021 journal article

Nonequilibrium quantum critical steady state: Transport through a dissipative resonant level

PHYSICAL REVIEW RESEARCH, 3(1).

By: G. Zhang, C. Chung*, C. Ke*, C. Lin*, H. Mebrahtu*, A. Smirnov n, G. Finkelstein*, H. Baranger*

Sources: Web Of Science, NC State University Libraries
Added: March 22, 2021

2021 journal article

Tribotronic control and cyclic voltammetry of platinum interfaces with metal oxide nanofluids

APPLIED SURFACE SCIENCE, 566.

By: C. Seed n, B. Acharya n, V. Perelygin n, A. Smirnov n & J. Krim n

author keywords: Tribotronics; Energy storage; Nanoparticles; TiO2; Al2O3; Energy efficiency
UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries
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, A. Smirnov 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)
Sources: Web Of Science, ORCID, NC State University Libraries
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
Sources: Web Of Science, ORCID, NC State University Libraries
Added: July 20, 2020

2020 book

Spectroscopic Tools for Food Analysis

In SPECTROSCOPIC TOOLS FOR FOOD ANALYSIS (pp. 1–87).

By: A. Smirnov

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, NC State University Libraries
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.

By: D. Good*, M. Voinov n, D. Bolton*, M. Ward*, I. Sergeyev*, M. Caporini*, P. Scheffer*, A. Lo* ...

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
6. Clean Water and Sanitation (OpenAlex)
Sources: Web Of Science, NC State University Libraries, Crossref, ORCID
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, A. Smirnov n

UN Sustainable Development Goal Categories
6. Clean Water and Sanitation (OpenAlex)
Sources: Web Of Science, ORCID, NC State University Libraries
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)
Sources: Web Of Science, NC State University Libraries
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*, A. Smirnov*

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
Sources: Web Of Science, ORCID, NC State University Libraries, 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.

By: J. Ma n, Y. Lin n, Y. Kim*, Y. Ko n, J. Kim*, K. Oh*, J. Sun*, C. Gorman n ...

Contributors: J. Ma n, Y. Lin n, Y. Kim*, Y. Ko n, J. Kim*, K. Oh*, J. Sun*, C. Gorman n ...

UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries, 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, A. Smirnov 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, NC State University Libraries
Added: August 5, 2019

2019 journal article

Tuning friction and slip at solid-nanoparticle suspension interfaces by electric fields

SCIENTIFIC REPORTS, 9(1).

By: B. Acharya n, C. Seed n, D. Brenner n, A. Smirnov n & J. Krim n

Contributors: B. Acharya n, C. Seed n, D. Brenner n, A. Smirnov 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)
Sources: Web Of Science, ORCID, NC State University Libraries
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).

By: A. Smirnov, T. Soldatov*, O. Petrenko, A. Takata*, T. Kida*, M. Hagiwara*, M. Zhitomirsky*, A. Shapiro*

Contributors: A. Smirnov, 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, A. Smirnov 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
Sources: Web Of Science, ORCID, NC State University Libraries
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 & A. Smirnov 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
7. Affordable and Clean Energy (OpenAlex)
Sources: Web Of Science, ORCID, NC State University Libraries
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, NC State University Libraries
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 & A. Smirnov 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
6. Clean Water and Sanitation (OpenAlex)
Sources: Web Of Science, ORCID, NC State University Libraries
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.

By: E. Kovaleva*, L. Molochnikov, D. Antonov*, D. Stepanova*, M. Hartmann*, A. Tsmokalyuk*, A. Marek n, A. Smirnov n

Contributors: E. Kovaleva*, L. Molochnikov, D. Antonov*, D. Tambasova Stepanova, M. Hartmann*, A. Tsmokalyuk*, A. Marek n, A. Smirnov n

UN Sustainable Development Goal Categories
6. Clean Water and Sanitation (OpenAlex)
Sources: Web Of Science, ORCID, NC State University Libraries
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, NC State University Libraries
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.

By: M. Chestnut n, S. Milikisiyants n, A. Koolivand n, M. Voynov n, T. Smirnova n & A. Smirnov n

UN Sustainable Development Goal Categories
6. Clean Water and Sanitation (OpenAlex)
Sources: Crossref, NC State University Libraries
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 & A. Smirnov 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
Sources: Crossref, ORCID, NC State University Libraries
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).

By: B. Acharya n, M. Chestnut n, A. Marek n, A. Smirnov n & J. Krim n

Contributors: B. Acharya n, M. Chestnut n, A. Marek n, A. Smirnov n & J. Krim n

author keywords: QCM; Nanoscale roughness; Nano-additives; AFM; Fractal; SiO2; Electrokinetic phenomena
UN Sustainable Development Goal Categories
6. Clean Water and Sanitation (OpenAlex)
Sources: Web Of Science, 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(1), 2045–2059.

Contributors: C. Curtis n, A. Marek n, A. Smirnov n & J. Krim n

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, 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.

By: C. Curtis, A. Marek, A. Smirnov & J. Krim

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).

By: A. Smirnov n

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 & A. Smirnov 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
6. Clean Water and Sanitation (OpenAlex)
Sources: Web Of Science, ORCID, NC State University Libraries, 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, NC State University Libraries
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).

By: A. Smirnov n

Contributors: A. Smirnov n

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*, A. Smirnov n, S. Milikisiyants n, E. Danilov n, N. Nunn*, G. McGuire*, M. Torelli*, O. Shenderova*

UN Sustainable Development Goal Categories
Sources: Web Of Science, ORCID, NC State University Libraries
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.

By: R. Mitra, R. Gao*, M. Zheng, M. Wu, M. Voinov n, A. Smirnov n, T. Smirnova n, K. Wang, S. Chavala*, Z. Han

Contributors: R. Mitra, R. Gao*, M. Zheng, M. Wu, M. Voinov n, A. Smirnov 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
Sources: Web Of Science, ORCID, NC State University Libraries, 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.

By: M. Voinov n, C. Scheid n, I. Kirilyuk*, D. Trofimov* & A. Smirnov n

Contributors: M. Voinov n, C. Scheid n, I. Kirilyuk*, D. Trofimov* & A. Smirnov 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
6. Clean Water and Sanitation (OpenAlex)
Sources: Web Of Science, ORCID, NC State University Libraries, 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.

By: E. Kovaleva*, L. Molochnikov, D. Stepanova*, A. Pestov, D. Trofimov*, I. Kirilyuk*, A. Smirnov n

Contributors: E. Kovaleva*, L. Molochnikov, D. Stepanova*, A. Pestov, D. Trofimov*, I. Kirilyuk*, A. Smirnov 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
Sources: Web Of Science, ORCID, NC State University Libraries
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.

By: A. Smirnov n & L. Berliner*

Contributors: A. Smirnov n & L. Berliner*

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
Sources: Web Of Science, ORCID, NC State University Libraries
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*, A. Smirnov 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
Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018

2017 journal article

Order by Quenched Disorder in the Model Triangular Antiferromagnet RbFe (MoO4)2

Physical Review Letters, 119(4).

By: A. Smirnov*, T. Soldatov*, O. Petrenko*, A. Takata*, T. Kida*, M. Hagiwara*, A. Shapiro*, M. Zhitomirsky*

Contributors: A. Smirnov*, 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.

Contributors: A. Marek n, M. Voinov n & A. Smirnov n

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
Sources: Web Of Science, ORCID, NC State University Libraries, 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.

By: A. Nevzorov n, M. Jafarabadi n, A. Marek n & A. Smirnov n

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, NC State University Libraries
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.

By: E. Kovaleva*, L. Molochnikov, U. Venkatesan n, A. Marek n, D. Stepanova*, K. Kozhikhova*, M. Mironov*, A. Smirnov n

Contributors: E. Kovaleva*, L. Molochnikov, U. Venkatesan n, A. Marek n, D. Stepanova*, K. Kozhikhova*, M. Mironov*, A. Smirnov n

UN Sustainable Development Goal Categories
Sources: Web Of Science, ORCID, NC State University Libraries
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.

By: M. Jafarabadi n, A. Marek n, A. Koolivand n, B. Acharya n, A. Nevzorov n, J. Krim n, A. Smirnov n

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, NC State University Libraries
Added: February 24, 2020

2016 journal article

Magnetic resonance of spinons in quantum magnets

Physics-Uspekhi, 59(6), 564–570.

By: A. Smirnov

Contributors: A. Smirnov

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.

By: S. Nellutla*, S. Nori n, S. Singamaneni n, J. Prater*, J. Narayan n & A. Smirnov n

Contributors: S. Nellutla*, S. Nori n, S. Singamaneni n, J. Prater*, J. Narayan n & A. Smirnov n

UN Sustainable Development Goal Categories
Sources: Crossref, ORCID, NC State University Libraries, 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.

By: L. Basso*, M. Jafarabadi n, A. Smirnov n & A. Costa-Filho*

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, NC State University Libraries
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.

By: M. Voinov n, D. Good, M. Ward, S. Milikisiyants n, A. Marek n, M. Caporini*, M. Rosay*, R. Munro ...

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
6. Clean Water and Sanitation (OpenAlex)
Sources: Web Of Science, ORCID, NC State University Libraries, 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, NC State University Libraries
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.

Contributors: M. Voinov n & A. Smirnov n

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
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 & A. Smirnov 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
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.

By: A. Nevzorov & A. Smirnov

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 & A. Smirnov 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)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018

2015 journal article

Peptide-Membrane Interactions by Spin-Labeling EPR.

Methods in Enzymology, 564, 219–258.

By: T. Smirnova n & A. Smirnov n

Contributors: T. Smirnova n & A. Smirnov n

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)
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.

By: Z. Liu n, D. Leininger n, A. Koolivand n, A. Smirnov n, O. Shenderova, D. Brenner n, J. Krim n

Contributors: Z. Liu n, D. Leininger n, A. Koolivand n, A. Smirnov n, O. Shenderova, D. Brenner n, J. Krim n

Sources: Web Of Science, ORCID, NC State University Libraries
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, NC State University Libraries
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, NC State University Libraries
Added: February 24, 2020

2014 journal article

Laser annealing induced ferromagnetism in SrTiO3 single crystal

Applied Physics Letters, 105(4), 042403.

By: S. Rao n, Y. Lee n, J. Prater n, A. Smirnov n & J. Narayan n

Contributors: S. Rao n, Y. Lee n, J. Prater n, A. Smirnov n & J. Narayan n

UN Sustainable Development Goal Categories
Sources: ORCID, NC State University Libraries, 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.

By: M. Donohue n, M. Voynov n, A. Smirnov n & T. Smirnova n

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, NC State University Libraries
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.

By: J. Lagerstedt*, J. Petrlova*, S. Hilt*, A. Marek n, Y. Chung*, R. Sriram*, M. Budamagunta*, J. Desreux* ...

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
6. Clean Water and Sanitation (OpenAlex)
Sources: Web Of Science, ORCID, NC State University Libraries
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.

By: M. Donohue n, M. Voynov n, A. Smirnov n & T. Smirnova n

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, NC State University Libraries
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.

By: H. Mebrahtu, I. Borzenets, H. Zheng, Y. Bomze, A. Smirnov*, S. Florens*, H. Baranger, G. Finkelstein

Contributors: H. Mebrahtu, I. Borzenets, H. Zheng, Y. Bomze, A. Smirnov*, S. Florens*, H. Baranger, G. Finkelstein

UN Sustainable Development Goal Categories
Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018

2013 journal article

Phonon Bottleneck in Graphene-Based Josephson Junctions at Millikelvin Temperatures

PHYSICAL REVIEW LETTERS, 111(2).

By: I. Borzenets*, U. Coskun*, H. Mebrahtu*, Y. Bomze*, A. Smirnov n & G. Finkelstein*

Contributors: I. Borzenets*, U. Coskun*, H. Mebrahtu*, Y. Bomze*, A. Smirnov 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, NC State University Libraries
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)
Sources: Crossref, ORCID, NC State University Libraries
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.

By: M. Voinov n, I. Rivera-Rivera n & A. Smirnov n

Contributors: M. Voinov n, I. Rivera-Rivera n & A. Smirnov 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)
Sources: Web Of Science, ORCID, NC State University Libraries, 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, A. Smirnov 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)
Sources: Web Of Science, ORCID, NC State University Libraries
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, NC State University Libraries
Added: August 28, 2020

2012 journal article

ChemInform Abstract: EPR Studies of Nanomaterials

ChemInform, 43(6), no-no.

By: A. Smirnov*

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).

By: A. Smirnov*, K. Povarov*, O. Starykh*, A. Shapiro* & S. Petrov*

Contributors: A. Smirnov*, 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, NC State University Libraries
Added: February 24, 2020

2012 journal article

Quantum phase transition in a resonant level coupled to interacting leads

NATURE, 488(7409), 61–64.

By: H. Mebrahtu*, I. Borzenets*, D. Liu*, H. Zheng*, Y. Bomze*, A. Smirnov n, H. Baranger*, G. Finkelstein*

Contributors: H. Mebrahtu*, I. Borzenets*, D. Liu*, H. Zheng*, Y. Bomze*, A. Smirnov 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)
Sources: Web Of Science, ORCID, NC State University Libraries
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.

By: Q. Zhao, S. Nellutla n, W. Son n, S. Vaughn, L. Ye, M. Smith, V. Caignaert*, M. Lufaso ...

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, NC State University Libraries
Added: August 6, 2018

2011 article

EPR Studies of Nanomaterials

Smirnov, A. (2011, April). Multifrequency Electron Paramagnetic Resonance, pp. 825–843.

By: A. Smirnov n

Contributors: A. Smirnov n

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.

By: C. Jin*, R. Aggarwal n, W. Wei n, S. Nori n, D. Kumar*, D. Ponarin n, A. Smirnov n, J. Narayan n, R. Narayan*

Contributors: C. Jin*, R. Aggarwal n, W. Wei n, S. Nori n, D. Kumar*, D. Ponarin n, A. Smirnov n, J. Narayan n, R. Narayan*

Sources: Web Of Science, ORCID, NC State University Libraries, 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.

By: T. Smirnova*, T. Chadwick, V. Bankaitis, G. Schaaf, O. Poluektov & A. Smirnov

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, NC State University Libraries
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).

By: M. Voinov & A. Smirnov

Contributors: M. Voinov & A. Smirnov*

UN Sustainable Development Goal Categories
Source: ORCID
Added: December 4, 2020

2011 journal article

Surface Electrostatics Associated with Lipid Bilayer Curvature

Biophysical Journal, 100(3), 505a.

By: M. Voinov, A. Marek, L. Li & A. Smirnov

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, NC State University Libraries
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.

By: M. Voinov n, J. Pagán n, E. Morrison n, T. Smirnova n & A. Smirnov n

Contributors: M. Voinov n, J. Pagán n, E. Morrison n, T. Smirnova n & A. Smirnov 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
Sources: Web Of Science, ORCID, NC State University Libraries, 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).

By: A. Smirnov*, L. Svistov*, L. Prozorova*, A. Zheludev*, M. Lumsden*, E. Ressouche*, O. Petrenko*, M. Hagiwara* ...

Contributors: A. Smirnov*, 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*, A. Smirnov n & H. Grebel*

author keywords: Graphene; IR measurement; IR screen; Raman measurement
Sources: Web Of Science, ORCID, NC State University Libraries
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, NC State University Libraries
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.

By: A. Banerjee*, R. Perez-Castillejos*, D. Hahn*, A. Smirnov n & H. Grebel*

Contributors: A. Banerjee*, R. Perez-Castillejos*, D. Hahn*, A. Smirnov 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)
Sources: Web Of Science, ORCID, NC State University Libraries
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.

By: W. Wei n, S. Nori n, C. Jin n, J. Narayan n, R. Narayan n, D. Ponarin n, A. Smirnov n

Contributors: W. Wei n, S. Nori n, C. Jin n, J. Narayan n, R. Narayan n, D. Ponarin n, A. Smirnov n

author keywords: Mott transition; Magnesium zinc oxide; Gallium doping; Thin film; Pulsed laser deposition
Sources: Web Of Science, ORCID, NC State University Libraries
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.

By: S. Mal n, S. Nori n, C. Jin n, J. Narayan n, S. Nellutla n, A. Smirnov n, J. Prater

Contributors: S. Mal n, S. Nori n, C. Jin n, J. Narayan n, S. Nellutla n, A. Smirnov n, J. Prater

UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Sources: Crossref, ORCID, NC State University Libraries, 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.

By: A. Marek n, M. Voinov n & A. Smirnov n

Sources: Crossref, ORCID, NC State University Libraries
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).

By: E. Nazaretski*, D. Pelekhov*, I. Martin*, M. Zalalutdinov, D. Ponarin n, A. Smirnov n, P. Hammel*, R. Movshovich*

Contributors: E. Nazaretski*, D. Pelekhov*, I. Martin*, M. Zalalutdinov, D. Ponarin n, A. Smirnov n, P. Hammel*, R. Movshovich*

author keywords: ferromagnetic materials; ferromagnetic resonance; magnetic force microscopy; magnetic thin films; micromagnetics; Permalloy
UN Sustainable Development Goal Categories
Sources: Web Of Science, ORCID, NC State University Libraries
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).

By: A. Smirnov*, S. Sosin, V. Glazkov, O. Petrenko, G. Balakrishnan & M. Zhitomirsky

Contributors: A. Smirnov*, 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

By: A. Smirnov

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 & A. Smirnov 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
6. Clean Water and Sanitation (OpenAlex)
Sources: Web Of Science, ORCID, NC State University Libraries, 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.

By: A. Marek n & A. Smirnov n

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, NC State University Libraries
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.

By: T. Smirnova n, A. Smirnov n, T. Chadwick n & K. Walker*

Contributors: T. Smirnova n, A. Smirnov n, T. Chadwick n & K. Walker*

UN Sustainable Development Goal Categories
Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018

2008 journal article

Defect dependent ferromagnetism in MgO doped with Ni and Co

Applied Physics Letters, 93(8), 082507.

By: J. Narayan n, S. Nori n, D. Pandya*, D. Avasthi* & A. Smirnov n

Contributors: J. Narayan n, S. Nori n, D. Pandya*, D. Avasthi* & A. Smirnov n

Sources: Crossref, ORCID, NC State University Libraries, 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, A. Smirnov 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
6. Clean Water and Sanitation (OpenAlex)
Sources: Web Of Science, ORCID, NC State University Libraries, 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.

By: M. Voinov n, A. Ruuge n, V. Reznikov, I. Grigor’ev & A. Smirnov n

Contributors: M. Voinov n, A. Ruuge n, V. Reznikov, I. Grigor'ev & A. Smirnov n

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)
Sources: Web Of Science, ORCID, NC State University Libraries, Crossref
Added: August 6, 2018

2008 book

Nitroxides

In Nitroxides: Applications in Chemistry, Biomedicine, and Materials Science (pp. 1–419).

By: G. Likhtenshtein, J. Yamauchi, S. Nakatsuji, A. Smirnov & R. Tamura

Contributors: G. Likhtenshtein, J. Yamauchi, S. Nakatsuji, A. Smirnov* & R. Tamura

Source: ORCID
Added: December 4, 2020

2008 book

Nitroxides : applications in chemistry, biomedicine, and materials science

Weinheim: Wiley-VCH.

Alexej Smirnov

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.

By: N. Turro* & J. Chen*

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.

By: R. Li*, A. Marek n, A. Smirnov n & H. Grebel*

Contributors: R. Li*, A. Marek n, A. Smirnov 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)
Sources: Crossref, ORCID, NC State University Libraries, 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.

Contributors: A. Smirnov n

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
Sources: Web Of Science, ORCID, NC State University Libraries
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).

By: A. Smirnov n

Contributors: A. Smirnov n

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).

By: A. Smirnov*, V. Glazkov*, T. Kashiwagi*, S. Kimura*, M. Hagiwara*, K. Kindo*, A. Shapiro*, L. Demianets*

Contributors: A. Smirnov*, 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-+.

By: T. Smirnova n, A. Smirnov n, S. Paschenko n & O. Poluektov n

Contributors: T. Smirnova n, A. Smirnov 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
6. Clean Water and Sanitation (OpenAlex)
Sources: Web Of Science, ORCID, NC State University Libraries
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.

By: A. Smirnov* & V. Glazkov*

Contributors: A. Smirnov* & 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.

By: K. Jagannadham n, M. Reed n, M. Lance*, T. Watkins*, K. Verghese n, J. Butler*, A. Smirnov n

Contributors: K. Jagannadham n, M. Reed n, M. Lance*, T. Watkins*, K. Verghese n, J. Butler*, A. Smirnov n

author keywords: neutron irradiation; diamond; N-type
UN Sustainable Development Goal Categories
Sources: Web Of Science, ORCID, NC State University Libraries
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.

By: C. Zhang*, A. Smirnov n, D. Hahn* & H. Grebel*

Contributors: C. Zhang*, A. Smirnov 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
Sources: Web Of Science, ORCID, NC State University Libraries
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).

By: A. Smirnov*, H. Yashiro*, S. Kimura*, M. Hagiwara*, Y. Narumi*, K. Kindo*, A. Kikkawa*, K. Katsumata*, A. Shapiro*, L. Demianets*

Contributors: A. Smirnov*, 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.

By: A. Smirnov n, T. Smirnova n, R. MacArthur n, J. Good & R. Hall

Contributors: A. Smirnov 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, 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 & A. Smirnov 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)
Sources: NC State University Libraries, ORCID, NC State University Libraries
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 & A. Smirnov 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
Sources: Web Of Science, ORCID, NC State University Libraries
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).

By: L. Svistov*, A. Smirnov*, L. Prozorova*, O. Petrenko*, A. Micheler*, N. Büttgen*, A. Shapiro*, L. Demianets*

Contributors: L. Svistov*, A. Smirnov*, L. Prozorova*, O. Petrenko*, A. Micheler*, N. Büttgen*, A. Shapiro*, L. Demianets*

Source: ORCID
Added: December 4, 2020

2006 journal article

Magnetic resonance modes in spin-gap magnets

Physics-Uspekhi, 49(6), 649–652.

By: A. Smirnov*

Contributors: A. Smirnov*

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.

By: A. Smirnov* & V. Glazkov*

Contributors: A. Smirnov* & 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 & A. Smirnov 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
Sources: Web Of Science, ORCID, NC State University Libraries
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.

By: S. Sosin*, L. Prozorova*, A. Smirnov*, A. Golov*, I. Berkutov*, O. Petrenko*, G. Balakrishnan*, M. Zhitomirsky*

Contributors: S. Sosin*, L. Prozorova*, A. Smirnov*, 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.

By: N. Kocherginsky n, Y. Kostetski n & A. Smirnov n

Contributors: N. Kocherginsky n, Y. Kostetski n & A. Smirnov 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, NC State University Libraries
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.

By: A. Alaouie* & A. Smirnov*

Contributors: A. Alaouie* & A. Smirnov*

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)
Sources: Web Of Science, ORCID, NC State University Libraries
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).

By: V. Glazkov*, A. Smirnov*, H. Von Nidda*, A. Loidl*, K. Uchinokura* & T. Masuda*

Contributors: V. Glazkov*, A. Smirnov*, 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).

By: S. Sosin*, L. Prozorova*, A. Smirnov*, A. Golov*, I. Berkutov*, O. Petrenko*, G. Balakrishnan*, M. Zhitomirsky*

Contributors: S. Sosin*, L. Prozorova*, A. Smirnov*, 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.

By: E. Chekmenev*, J. Hu*, P. Gor'kov*, W. Brey*, T. Cross*, A. Ruuge n, A. Smirnov n

Contributors: E. Chekmenev*, J. Hu*, P. Gor'Kov*, W. Brey*, T. Cross*, A. Ruuge n, A. Smirnov 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
Sources: Web Of Science, ORCID, NC State University Libraries
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.

By: V. Grinberg, A. Smirnov n, O. Grinberg*, S. Grinberg*, . JA O'Hara & H. Swartz*

Contributors: V. Grinberg, A. Smirnov 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
Sources: Web Of Science, ORCID, NC State University Libraries
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.

By: W. Tennant, R. Claridge*, C. McCammon*, A. Smirnov n & R. Beck

Contributors: W. Tennant, R. Claridge*, C. Mc Cammon*, A. Smirnov 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, NC State University Libraries
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.

By: M. Voinov*, J. Polienko*, T. Schanding*, A. Bobko*, V. Khramtsov*, Y. Gatilov*, T. Rybalova*, A. Smirnov*, I. Grigor'ev*

Contributors: M. Voinov*, J. Polienko*, T. Schanding*, A. Bobko*, V. Khramtsov*, Y. Gatilov*, T. Rybalova*, A. Smirnov*, 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
6. Clean Water and Sanitation (OpenAlex)
Sources: Web Of Science, ORCID, NC State University Libraries, 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.

By: A. Smirnov*

Contributors: A. Smirnov*

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.

By: N. Kocherginsky n, Y. Kostetski n & A. Smirnov n

Contributors: N. Kocherginsky n, Y. Kostetski n & A. Smirnov 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, NC State University Libraries
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.

By: K. Earle* & A. Smirnov n

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.

By: A. Smirnov*, H. Krug Von Nidda*, A. Loidl*, L. Demianets* & A. Shapiro*

Contributors: A. Smirnov*, 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.

By: A. Ammar*, M. Menetrier*, A. Villesuzanne*, S. Matar*, B. Chevalier*, J. Etourneau*, G. Villeneuve*, J. Rodriguez-Carvajal* ...

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, NC State University Libraries
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.

By: A. Smirnov n, A. Ruuge n, V. Reznikov, M. Voinov n & I. Grigor'ev n

Contributors: A. Smirnov n, A. Ruuge n, V. Reznikov, M. Voinov n & I. Grigor'Ev n

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
6. Clean Water and Sanitation (OpenAlex)
Sources: Web Of Science, ORCID, NC State University Libraries, 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.

By: T. Smirnova n & A. Smirnov n

Contributors: T. Smirnova n & A. Smirnov n

UN Sustainable Development Goal Categories
Sources: Web Of Science, ORCID, NC State University Libraries
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.

By: A. Smirnov, V. Glazkov, T. Masuda, K. Uchinokura, L. Demianets & A. Shapiro

Contributors: A. Smirnov, 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).

By: S. Klimin, M. Popova, B. Mavrin, P. Loosdrecht*, L. Svistov*, A. Smirnov*, L. Prozorova*, H. Nidda* ...

Contributors: S. Klimin, M. Popova, B. Mavrin, P. Loosdrecht*, L. Svistov*, A. Smirnov*, 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.

By: A. Smirnov n & O. Poluektov n

Contributors: A. Smirnov 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
Sources: Web Of Science, ORCID, NC State University Libraries
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.

By: L. Prozorova, L. Svistov, A. Smirnov*, O. Petrenko, L. Demianets & A. Shapiro

Contributors: L. Prozorova, L. Svistov, A. Smirnov*, O. Petrenko, L. Demianets & A. Shapiro

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.

By: A. Smirnov*, V. Glazkov*, H. Nidda*, A. Loidl*, L. Demianets* & A. Shapiro*

Contributors: A. Smirnov*, 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.

By: V. Glazkov*, A. Smirnov*, K. Uchinokura* & T. Masuda*

Contributors: V. Glazkov*, A. Smirnov*, 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.

By: A. Smirnov n & S. Sen*

Contributors: A. Smirnov n & S. Sen*

UN Sustainable Development Goal Categories
Sources: Web Of Science, ORCID, NC State University Libraries
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.

By: O. Grinberg*, A. Smirnov n & H. Swartz*

Contributors: O. Grinberg*, A. Smirnov 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
Sources: Web Of Science, ORCID, NC State University Libraries
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.

By: M. Mangels*, A. Harper*, A. Smirnov n, K. Howard* & G. Lorigan*

Contributors: M. Mangels*, A. Harper*, A. Smirnov 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
Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018

2001 journal article

Multifrequency electron paramagnetic resonance of ultramarine blue

Applied Magnetic Resonance, 21(3-4), 563–570.

By: G. Eaton*, S. Eaton*, J. Stoner*, R. Quine*, G. Rinard*, A. Smirnov*, R. Weber, J. Krzystek* ...

Contributors: G. Eaton*, S. Eaton*, J. Stoner*, R. Quine*, G. Rinard*, A. Smirnov*, 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*, A. Smirnov*, 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.

By: A. Smirnov n & T. Smirnova n

Contributors: A. Smirnov n & T. Smirnova n

UN Sustainable Development Goal Categories
Sources: Web Of Science, ORCID, NC State University Libraries
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.

By: M. Bakker*, E. Granger* & A. Smirnov*

Contributors: M. Bakker*, E. Granger* & A. Smirnov*

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.

By: A. Smirnov*, V. Glazkov, L. Leonyuk & A. Vetkin

Contributors: A. Smirnov*, V. Glazkov, L. Leonyuk & A. Vetkin

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.

By: S. Bottle*, D. Gillies*, D. Hughes*, A. Micallef*, A. Smirnov* & L. Sutcliffe*

Contributors: S. Bottle*, D. Gillies*, D. Hughes*, A. Micallef*, A. Smirnov* & 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.

By: P. Belton*, L. Sutcliffe*, D. Gillies*, X. Wu* & A. Smirnov*

Contributors: P. Belton*, L. Sutcliffe*, D. Gillies*, X. Wu* & A. Smirnov*

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.

By: P. Belton, L. Sutcliffe, D. Gillies, X. Wu & A. Smirnov

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*, A. Smirnov*, 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.

By: T. Smirnova, A. Smirnov*, R. Belford & R. Clarkson

Contributors: T. Smirnova, A. Smirnov*, R. Belford & R. Clarkson

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.

By: T. Smirnova*, A. Smirnov*, R. Belford* & R. Clarkson*

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.

By: A. Smirnov*, R. Belford* & R. Morse*

Contributors: A. Smirnov*, R. Belford* & R. Morse*