Accelerating N-15 And C-13 R-1 And R-1 Rho Relaxation Measurements By Multiple Pathway Solid-State Nmr Experiments
JOURNAL OF MAGNETIC RESONANCE(2021)
摘要
Magic angle spinning (MAS) Solid-state NMR is a powerful technique to probe dynamics of biological systems at atomic resolution. R-1 and R-1 rho relaxation measurements can provide detailed insight on amplitudes and time scales of motions, especially when information from several different site-specific types of probes is combined. However, such experiments are time-consuming to perform. Shortening the time necessary to record relaxation data for different nuclei will greatly enhance practicality of such approaches. Here, we present staggered acquisition experiments to acquire multiple relaxation experiments from a single excitation to reduce the overall experimental time. Our strategy enables one to collect N-15 and C-13 relaxation data in a single experiment in a fraction of the time necessary for two separate experiments, with the same signal to noise ratio. (C) 2021 The Authors. Published by Elsevier Inc.
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关键词
Solid-state NMR, Magic angle spinning, NMR relaxation, Staggered acquisition
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