Sergey Milikisiyants

Works (15)

Updated: August 22nd, 2024 05:00

2024 journal article

High-frequency high-power DNP/EPR spectrometer operating at 7 T magnetic field

JOURNAL OF MAGNETIC RESONANCE, 362.

By: A. Nevzorov n, A. Marek n, S. Milikisiyants n & A. Smirnov  n

author keywords: Dynamic nuclear polarization; Electron spin echoes; Extended interaction klystron; Quasioptics; Solid-state mm-wave devices
topics (OpenAlex): Advanced NMR Techniques and Applications; Atomic and Subatomic Physics Research; Solid-state spectroscopy and crystallography
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Sources: Web Of Science, NC State University Libraries
Added: August 19, 2024

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).

By: N. Nunn n, S. Milikisiyants n, M. Torelli *, R. Monge *, T. Delord *, A. Shames *, C. Meriles *, A. Ajoy *, A. Smirnov  n, O. Shenderova*

topics (OpenAlex): Diamond and Carbon-based Materials Research; High-pressure geophysics and materials; Electronic and Structural Properties of Oxides
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Sources: Web Of Science, ORCID, NC State University Libraries
Added: June 28, 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).

By: N. Nunn n, S. Milikisiyants n, E. Danilov n , M. Torelli  n, L. Dei Cas, A. Zaitsev n, O. Shenderova n, A. Smirnov  n, A. Shames  n

topics (OpenAlex): Diamond and Carbon-based Materials Research; High-pressure geophysics and materials; Metal and Thin Film Mechanics
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Sources: Web Of Science, ORCID, 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.

By: A. Nevzorov n, A. Marek n, S. Milikisiyants n & A. Smirnov  n

author keywords: Solid-state NMR; Dynamic nuclear polarization; DNP; Synthetic diamonds; Photonic band gap resonator; Quasioptics
topics (OpenAlex): Advanced NMR Techniques and Applications; Atomic and Subatomic Physics Research; Electron Spin Resonance Studies
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)
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Sources: Web Of Science, NC State University Libraries
Added: March 8, 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.

By: M. Chestnut n, S. Milikisiyants n, R. Chatterjee *, J. Kern * & A. Smirnov  n

MeSH headings : Chlorophyll; Electron Spin Resonance Spectroscopy; Electron Transport; Electronics; Electrons; Photosystem I Protein Complex
topics (OpenAlex): Photosynthetic Processes and Mechanisms; Photoreceptor and optogenetics research; Spectroscopy and Quantum Chemical Studies
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: Web Of Science, ORCID, NC State University Libraries
Added: December 25, 2020

2021 journal article

Integrative structural dynamics probing of the conformational heterogeneity in synaptosomal-associated protein 25

CELL REPORTS PHYSICAL SCIENCE, 2(11).

By: N. Saikia *, I. Yanez-Orozco*, R. Qiu n, P. Hao n, S. Milikisiyants n, E. Ou n, G. Hamilton *, K. Weninger n  ...

topics (OpenAlex): Protein Structure and Dynamics; Advanced Fluorescence Microscopy Techniques; Photosynthetic Processes and Mechanisms
TL;DR: An integrative method is reported to probe the structural dynamics of SNAP-25 by combining replica-exchange discrete molecular dynamics simulations and label-based experiments at ensemble and single-molecule levels and it is expected that this integrative approach may help further the understanding of IDPs. (via Semantic Scholar)
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Added: March 14, 2022

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.

By: L. Cha n , S. Milikisiyants n, M. Davidson n, S. Xue *, T. Smirnova n , A. Smirnov  n, Y. Guo *, W. Chang n 

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
topics (OpenAlex): Metal-Catalyzed Oxygenation Mechanisms; Metalloenzymes and iron-sulfur proteins; ATP Synthase and ATPases Research
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)
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Sources: Web Of Science, ORCID, NC State University Libraries
Added: June 22, 2020

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.

By: S. Milikisiyants n, M. Voinov n, A. Marek n, M. Jafarabadi n, J. Liu *, R. Han *, S. Wang *, A. Smirnov *

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
topics (OpenAlex): Electron Spin Resonance Studies; Lanthanide and Transition Metal Complexes; Electrochemical Analysis and Applications
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)
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Sources: Web Of Science, ORCID, NC State University Libraries, Crossref
Added: February 18, 2019

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.

By: C. Yu n, Y. Tang *, L. Cha n , S. Milikisiyants n, T. Smirnova n , A. Smirnov  n, Y. Guo *, W. Chang n 

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
topics (OpenAlex): Metal-Catalyzed Oxygenation Mechanisms; Microbial Natural Products and Biosynthesis
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)
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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.

By: A. Nevzorov n, S. Milikisiyants n, A. Marek n & A. Smirnov  n

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
topics (OpenAlex): Advanced NMR Techniques and Applications; Solid-state spectroscopy and crystallography; Electron Spin Resonance Studies
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)
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Sources: Web Of Science, ORCID, NC State University Libraries
Added: December 31, 2018

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.

By: S. Milikisiyants n, A. Nevzorov n & A. Smirnov  n

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
topics (OpenAlex): Electron Spin Resonance Studies; Photonic and Optical Devices; Analytical Chemistry and Sensors
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)
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Sources: Web Of Science, ORCID, NC State University Libraries
Added: December 31, 2018

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.

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

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

topics (OpenAlex): Diamond and Carbon-based Materials Research; Metal and Thin Film Mechanics; High-pressure geophysics and materials
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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.

By: S. Milikisiyants n, S. Wang *, R. Munro*, M. Donohue n, M. Ward *, D. Bolton*, L. Brown *, T. Smirnova n , V. Ladizhansky *, A. Smirnov  n

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
topics (OpenAlex): Advanced NMR Techniques and Applications; Electron Spin Resonance Studies; Photoreceptor and optogenetics research
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)
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Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018

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
topics (OpenAlex): Advanced NMR Techniques and Applications; Electron Spin Resonance Studies; Solid-state spectroscopy and crystallography
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)
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Sources: Web Of Science, ORCID, NC State University Libraries, Crossref
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.

By: A. Marek n, W. Tang n, S. Milikisiyants n, A. Nevzorov n & A. Smirnov  n

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
topics (OpenAlex): Nanopore and Nanochannel Transport Studies; Lipid Membrane Structure and Behavior; Advanced NMR Techniques and Applications
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)
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Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018

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