期刊
BIOPOLYMERS
卷 63, 期 2, 页码 132-140出版社
JOHN WILEY & SONS INC
DOI: 10.1002/bip.10023
关键词
self-diffusion; proteins; concentration dependence; pulsed-gradient spin-echo NMR
The self-diffusion coefficients of globular proteins (myoglobin, bovine serum albumin, barstar, lysozyme) in aqueous solutions at different temperatures and pH values are obtained by pulsed-gradient spin-echo NMR, and their concentration dependence is analyzed. The generalized concentration dependence of globular protein self-diffusion coefficients is empirically established, and compared to the concentration dependence of diffusion coefficients of flexible polymers and rigid Brownian particles. (C) 2002 John Wiley Sons, Inc.
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