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Showing 1 to 12 of 32 entries
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Analysis of large-anisotropy-spin recoupling pulses for distance measurement under magic-angle spinning NMR shows the superiority and robustness of a phase modulated saturation pulse.

The Journal of chemical physics

Nimerovsky E, Makrinich M, Goldbourt A.
PMID: 28388136
J Chem Phys. 2017 Mar 28;146(12):124202. doi: 10.1063/1.4978472.

The distance between a spin one-half and an attached spin possessing a large anisotropy can be obtained using different dipolar recoupling sequences that are based on the rotational-echo double resonance technique under magic-angle spinning solid-state NMR. The general difference...

Signal enhancement in 5QMAS spectra of spin-5/2 quadrupolar nuclei.

Journal of magnetic resonance (San Diego, Calif. : 1997)

Goldbourt A, Vega S.
PMID: 11846585
J Magn Reson. 2002 Feb;154(2):280-6. doi: 10.1006/jmre.2001.2475.

5QMAS experiments on spin-5/2 systems display a low sensitivity compared with their 3QMAS counterparts. Nevertheless, the superior resolution of 5QMAS over 3QMAS makes these experiments a favorable choice for many materials. We report an enhancement scheme for the 5QMAS...

Adherence to Mediterranean diet and subsequent cognitive decline in men with cardiovascular disease.

Nutritional neuroscience

Lutski M, Weinstein G, Ben-Zvi S, Goldbourt U, Tanne D.
PMID: 31965911
Nutr Neurosci. 2020 Jan 22;1-9. doi: 10.1080/1028415X.2020.1715049. Epub 2020 Jan 22.

No abstract available.

Virus Structures and Dynamics by Magic-Angle Spinning NMR.

Annual review of virology

Porat-Dahlerbruch G, Goldbourt A, Polenova T.
PMID: 34586870
Annu Rev Virol. 2021 Sep 29;8(1):219-237. doi: 10.1146/annurev-virology-011921-064653.

Techniques for atomic-resolution structural biology have evolved during the past several decades. Breakthroughs in instrumentation, sample preparation, and data analysis that occurred in the past decade have enabled characterization of viruses with an unprecedented level of detail. Here we...

Improvement in the Prognosis of Patients With Acute Myocardial Infarction in the 1990s Compared With the Prethrombolytic Era: An Analysis by Age Subgroups.

The American journal of geriatric cardiology

Gottlieb S, Goldbourt U, Boyko V, Barbash G, Mandelzweig L, Behar S.
PMID: 11416352
Am J Geriatr Cardiol. 1995 Nov;4(6):17-31.

The number of elderly patients experiencing myocardial infarction (MI) is growing rapidly, and their hospital mortality rate remains high, although mortality after acute MI declined in the 1990s. The in-hospital and first-year mortality rates in 5,839 patients with acute...

Deuterium REDOR: principles and applications for distance measurements .

Journal of magnetic resonance (San Diego, Calif. : 1997)

Sack I, Goldbourt A, Vega S, Buntkowsky G.
PMID: 10329226
J Magn Reson. 1999 May;138(1):54-65. doi: 10.1006/jmre.1999.1710.

The application of short composite pulse schemes ( and ) to the rotational echo double-resonance (REDOR) spectroscopy of X-2H (X: spin 12, observed) systems with large deuterium quadrupolar interactions has been studied experimentally and theoretically and compared with simple...

Distance measurements between carbon and bromine using a split-pulse PM-RESPDOR solid-state NMR experiment.

Physical chemistry chemical physics : PCCP

Makrinich M, Sambol M, Goldbourt A.
PMID: 32700697
Phys Chem Chem Phys. 2020 Sep 30;22(37):21022-21030. doi: 10.1039/d0cp01162b.

Solid-state nuclear magnetic resonance has long been used to probe atomic distances between nearby nuclear spins by virtue of the dipolar interaction. New technological advances have recently enabled simultaneous tuning of the radio-frequency resonance circuits to nuclei with close...

Accurate .

Journal of magnetic resonance (San Diego, Calif. : 1997)

Duong NT, Rossi F, Makrinich M, Goldbourt A, Chierotti MR, Gobetto R, Nishiyama Y.
PMID: 31345769
J Magn Reson. 2019 Nov;308:106559. doi: 10.1016/j.jmr.2019.07.046. Epub 2019 Jul 13.

The combination of a phase-modulated (PM) saturation pulse and symmetry-based dipolar recoupling into a rotational-echo saturation-pulse double-resonance (RESPDOR) sequence has been employed to measure

Correction to Structural Effects of Single Mutations in a Filamentous Viral Capsid Across Multiple Length Scales.

Biomacromolecules

Abramov G, Shaharabani R, Morag O, Avinery R, Haimovich A, Oz I, Beck R, Goldbourt A.
PMID: 29227630
Biomacromolecules. 2018 Jan 08;19(1):265. doi: 10.1021/acs.biomac.7b01661. Epub 2017 Dec 11.

No abstract available.

Saturation capability of short phase modulated pulses facilitates the measurement of longitudinal relaxation times of quadrupolar nuclei.

Solid state nuclear magnetic resonance

Makrinich M, Gupta R, Polenova T, Goldbourt A.
PMID: 28473217
Solid State Nucl Magn Reson. 2017 Jul - Aug;84:196-203. doi: 10.1016/j.ssnmr.2017.04.003. Epub 2017 Apr 21.

The ability of various pulse types, which are commonly applied for distance measurements, to saturate or invert quadrupolar spin polarization has been compared by observing their effect on magnetization recovery curves under magic-angle spinning. A selective central transition inversion...

Phase-modulated LA-REDOR: a robust, accurate and efficient solid-state NMR technique for distance measurements between a spin-1/2 and a quadrupole spin.

Journal of magnetic resonance (San Diego, Calif. : 1997)

Nimerovsky E, Gupta R, Yehl J, Li M, Polenova T, Goldbourt A.
PMID: 24745816
J Magn Reson. 2014 Jul;244:107-13. doi: 10.1016/j.jmr.2014.03.003. Epub 2014 Mar 15.

Distances between a spin-1/2 and a spin>1/2 can be efficiently measured by a variety of magic-angle spinning solid state NMR methods such as Rotational Echo Adiabatic Passage Double Resonance (REAPDOR), Low-Alpha/Low-Amplitude REDOR (LA-REDOR) and Rotational-Echo Saturation-Pulse Double-Resonance (R/S-RESPDOR). In...

Reaching 80 Years of Age: Clinical, Behavioral, and Psychosocial Related Risk Factors in a Large Cohort of Israeli Working Men.

Journal of clinical medicine

Lev-Ari S, Novak AM, Zemer A, Gerber Y, Goldbourt U.
PMID: 34884408
J Clin Med. 2021 Dec 05;10(23). doi: 10.3390/jcm10235706.

The objective of this study was to estimate the probability of long-term overall survival based on total number of risk factors (RF). We also sought to examine the role of midlife clinical, behavioral, and psychosocial predictors of longevity in...

Showing 1 to 12 of 32 entries