Search Results - "Vega, Shimon"

Theoretical aspects of dynamic nuclear polarization in the solid state – The cross effect by Hovav, Yonatan, Feintuch, Akiva, Vega, Shimon

“…[Display omitted] ► Theoretical aspects of nuclear polarization via solid effect and cross effect DNP. ► Numerical simulations using the density operator…”
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Theoretical aspects of dynamic nuclear polarization in the solid state – The solid effect by Hovav, Yonatan, Feintuch, Akiva, Vega, Shimon

“…Solid-effect DNP enhancement profiles simulated for a model system of 8 nuclei coupled to a single electron inside a “core” region, as shown on the left. The…”
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Facing and Overcoming Sensitivity Challenges in Biomolecular NMR Spectroscopy by Ardenkjaer-Larsen, Jan-Henrik, Boebinger, Gregory S., Comment, Arnaud, Duckett, Simon, Edison, Arthur S., Engelke, Frank, Griesinger, Christian, Griffin, Robert G., Hilty, Christian, Maeda, Hidaeki, Parigi, Giacomo, Prisner, Thomas, Ravera, Enrico, van Bentum, Jan, Vega, Shimon, Webb, Andrew, Luchinat, Claudio, Schwalbe, Harald, Frydman, Lucio

“…In the Spring of 2013, NMR spectroscopists convened at the Weizmann Institute in Israel to brainstorm on approaches to improve the sensitivity of NMR…”
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Gd(III)-Gd(III) EPR distance measurements--the range of accessible distances and the impact of zero field splitting by Dalaloyan, Arina, Qi, Mian, Ruthstein, Sharon, Vega, Shimon, Godt, Adelheid, Feintuch, Akiva, Goldfarb, Daniella

“…Gd(III) complexes have emerged as spin labels for distance determination in biomolecules through double-electron-electron resonance (DEER) measurements at high…”
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Floquet theory in solid-state nuclear magnetic resonance by Leskes, Michal, Madhu, P K, Vega, Shimon

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High-resolution proton solid-state NMR spectroscopy by phase-modulated Lee–Goldburg experiment by Vinogradov, Elena, Madhu, P.K., Vega, Shimon

“…In this Letter, we present a pulse scheme for coherent averaging of spin–spin interactions called phase-modulated Lee–Goldburg (PMLG) which is aimed at…”
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Sensitivity enhancement of the MQMAS NMR experiment by fast amplitude modulation of the pulses by Madhu, P.K, Goldbourt, Amir, Frydman, Lucio, Vega, Shimon

“…We report here an improved way of doing the multiple-quantum magic-angle spinning (MQMAS) NMR experiment that relies on the use of amplitude modulated pulses…”
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Multiple-pulse and magic-angle spinning aided double-quantum proton solid-state NMR spectroscopy by Madhu, P.K., Vinogradov, Elena, Vega, Shimon

“…We here report on a high-resolution pulse scheme for double-quantum (DQ) proton NMR spectroscopy in the solid-state. The pulse scheme employs a combination of…”
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A bimodal Floquet analysis of phase modulated Lee–Goldburg high resolution proton magic angle spinning NMR experiments by Vinogradov, Elena, Madhu, P.K., Vega, Shimon

“…A description of phase modulated Lee–Goldburg experiments PMLG- n, with 2 n pulses per rf cycle, on coupled proton systems under magic angle spinning is…”
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A broad-banded z-rotation windowed phase-modulated Lee–Goldburg pulse sequence for 1H spectroscopy in solid-state NMR by Leskes, Michal, Madhu, P.K., Vega, Shimon

“…The design and experimental implementation of an effective z-rotation wPMLG sequence for 1H spectroscopy in solid-state NMR is demonstrated with a scale factor…”
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Preparation and Surface Structure of Nanocrystalline Cadmium Sulfide (Sulfoselenide) Precipitated from Dimethyl Sulfoxide Solutions by Elbaum, Rivka, Vega, Shimon, Hodes, Gary

“…We present a method for the synthesis of CdS and CdS x Se1 - x nanocrystals by precipitation from a solution of cadmium carboxylate in dimethyl sulfoxide…”
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Theoretical Aspects of the Cross Effect Enhancement of Nuclear Polarization under Static Dynamic Nuclear Polarization Conditions by Kundu, Krishnendu, Feintuch, Akiva, Vega, Shimon

“…In this study, we perform quantum calculations of the spin dynamics of a small spin system that includes nine coupled electrons and one nucleus placed in an…”
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Electron–Electron Cross-Relaxation and Spectral Diffusion during Dynamic Nuclear Polarization Experiments on Solids by Kundu, Krishnendu, Feintuch, Akiva, Vega, Shimon

“…Recently it has been shown that experimental electron–electron double resonance (ELDOR) spectra of amorphous glasses containing free radicals with…”
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Theoretical aspects of Magic Angle Spinning - Dynamic Nuclear Polarization by Mentink-Vigier, Frederic, Akbey, Ümit, Oschkinat, Hartmut, Vega, Shimon, Feintuch, Akiva

“…[Display omitted] •Experimental MAS frequency dependence of nuclear enhancement is radical dependent.•Optimized MAS–DNP software allows simulating up to 5…”
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Why does PMLG proton decoupling work at 65kHz MAS? by Leskes, Michal, Madhu, P.K., Vega, Shimon

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Fast passage dynamic nuclear polarization on rotating solids by Mentink-Vigier, Frederic, Akbey, Ümit, Hovav, Yonatan, Vega, Shimon, Oschkinat, Hartmut, Feintuch, Akiva

“…[Display omitted] ► We present experimental data of the dependence of dynamic nuclear polarization with MAS spinning frequency. ► We model a rotating…”
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Characterization of Aluminum Species in Alumina Multilayer Grafted MCM-41 Using 27Al FAM(II)-MQMAS NMR by Goldbourt, Amir, Landau, Miron V, Vega, Shimon

“…Grafting a 4-fold alumina multilayer inside the nanotubes of a wide-pore MCM-41 material, by consecutive reactions with Al(O-sec-Bu)3 followed by…”
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Deuterium MAS NMR and Local Molecular Dynamic Model to Study Adsorption–Desorption Kinetics of a Dipeptide at the Inner Surfaces of SBA-15 by Jayanthi, Sundaresan, Kababya, Shifi, Schmidt, Asher, Vega, Shimon

“…This work presents a deuterium magic angle spinning (MAS) NMR study of the adsorption–desorption dynamics of glycine-(2,2)-d 2-alanine dipeptide adsorbed at…”
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Neue Ansätze zur Empfindlichkeitssteigerung in der biomolekularen NMR‐Spektroskopie by Ardenkjaer‐Larsen, Jan‐Henrik, Boebinger, Gregory S., Comment, Arnaud, Duckett, Simon, Edison, Arthur S., Engelke, Frank, Griesinger, Christian, Griffin, Robert G., Hilty, Christian, Maeda, Hidaeki, Parigi, Giacomo, Prisner, Thomas, Ravera, Enrico, van Bentum, Jan, Vega, Shimon, Webb, Andrew, Luchinat, Claudio, Schwalbe, Harald, Frydman, Lucio

“…Im Frühling 2013 versammelten sich NMR‐Spektroskopiker am Weizmann‐Institut in Israel, um neue Ansätze zur Verbesserung der Empfindlichkeit von…”
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The effect of Gd on trityl-based dynamic nuclear polarisation in solids by Ravera, Enrico, Shimon, Daphna, Feintuch, Akiva, Goldfarb, Daniella, Vega, Shimon, Flori, Alessandra, Luchinat, Claudio, Menichetti, Luca, Parigi, Giacomo

“…In dynamic nuclear polarisation (DNP) experiments performed under static conditions at 1.4 K we show that the presence of 1 mM Gd(iii)-DOTAREM increases the…”
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