Results 211 to 220 of about 4,035,607 (255)
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A New Methodology for the Provenance of Marble Based on EPR Spectroscopy
Archaeometry, 2002Fifteen years of research in investigating the characteristics of the EPR spectra of different types of white marble from several quarries in the Eastern Mediterranean has produced an accumulation of a large number of data, and much experience. Statistical treatment of these EPR data (statistical distributions and parameter correlations), has led to ...
K. Polikreti, Y. Maniatis
exaly +3 more sources
Journal of Magnetic Resonance, 1999
We report methodology which combines recently developed dielectric resonator-based, rapid-mix, stopped-flow EPR (appropriate for small, aqueous, lossy samples) with rapid scanning of the external (Zeeman) magnetic field where the scanning is preprogrammed to occur at selected times after the start of flow.
Ana Maria Da Costa Ferreira +1 more
exaly +4 more sources
We report methodology which combines recently developed dielectric resonator-based, rapid-mix, stopped-flow EPR (appropriate for small, aqueous, lossy samples) with rapid scanning of the external (Zeeman) magnetic field where the scanning is preprogrammed to occur at selected times after the start of flow.
Ana Maria Da Costa Ferreira +1 more
exaly +4 more sources
Fullerene-based triplet spin labels: methodology aspects for pulsed dipolar EPR spectroscopy
Physical Chemistry Chemical Physics, 2022Triplet states of photoexcited organic molecules are promising spin labels with advanced spectroscopic properties for pulsed dipolar electron paramagnetic resonance (PD EPR) spectroscopy.
Ivan O. Timofeev +7 more
openaire +3 more sources
Detection and characterisation of radicals in biological materials using EPR methodology
Biochimica et Biophysica Acta (BBA) - General Subjects, 2014Electron paramagnetic resonance (EPR) spectroscopy (also known as electron spin resonance, ESR, spectroscopy) is widely considered to be the "gold standard" for the detection and characterisation of radicals in biological systems.The article reviews the major positive and negative aspects of EPR spectroscopy and discusses how this technique and ...
Clare L, Hawkins, Michael J, Davies
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Inorganic Chemistry, 2011
Exchange-coupled spin triads nitroxide-copper(II)-nitroxide are the key building blocks of molecular magnets Cu(hfac)(2)L(R). These compounds exhibit thermally induced structural rearrangements and spin transitions, where the exchange interaction between spins of copper(II) ion and nitroxide radicals changes typically by 1 order of magnitude.
Sergey L, Veber +9 more
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Exchange-coupled spin triads nitroxide-copper(II)-nitroxide are the key building blocks of molecular magnets Cu(hfac)(2)L(R). These compounds exhibit thermally induced structural rearrangements and spin transitions, where the exchange interaction between spins of copper(II) ion and nitroxide radicals changes typically by 1 order of magnitude.
Sergey L, Veber +9 more
openaire +3 more sources
Critical Section Selection Methodology for the U.S. EPR™ Standard Nuclear Power Plant
ASME 2010 Pressure Vessels and Piping Conference: Volume 8, 2010This paper presents a three-tier, critical section selection methodology that is used to identify critical sections for the U.S. EPR™ Standard Nuclear Power Plant (NPP). The critical section selection methodology includes three complementary approaches: qualitative, quantitative, and supplementary. These three approaches are applied to Seismic Category
Se-Kwon Jung +3 more
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Recent Developments in Spin Label EPR Methodology for Biomembrane Studies
1984LESLIE W.-M. FUNG, MICHAEL E. JOHNSON
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Anti-Corrosion Methods and Materials, 2023
Purpose The purpose of this study is to investigate the intergranular corrosion (IGC) susceptibility of a nitrogen-containing austenitic stainless steel QN2109.
Xiangyu Wang +8 more
semanticscholar +1 more source
Purpose The purpose of this study is to investigate the intergranular corrosion (IGC) susceptibility of a nitrogen-containing austenitic stainless steel QN2109.
Xiangyu Wang +8 more
semanticscholar +1 more source
EPR Spin Trapping of Oxygen Radicals in Plants: A Methodological Overview
Annals of the New York Academy of Sciences, 2005Abstract: We present a brief account of the difficulties involved in detection of oxygen free radicals in plants and give a rationale for using the EPR spin trapping technique in such studies. Comparative analysis of characteristics of different spin traps is given, having in mind their suitability in trapping oxygen‐centered free radicals.
Goran, Bacić, Milos, Mojović
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An optimal acquisition scheme for Q-band EPR distance measurements using Cu2+-based protein labels.
Physical Chemistry, Chemical Physics - PCCP, 2022Recent advances in site-directed Cu2+ labeling of proteins and nucleic acids have added an attractive new methodology to measure the structure-function relationship in biomolecules.
Xiaowei Bogetti +3 more
semanticscholar +1 more source