Assembly of a Ribonucleoprotein Catalyst by Tertiary Structure Capture
- 19 January 1996
- journal article
- other
- Published by American Association for the Advancement of Science (AAAS) in Science
- Vol. 271 (5247), 345-348
- https://doi.org/10.1126/science.271.5247.345
Abstract
Single-file diffusion is the restricted propagation of particles that cannot pass each other. The occurrence of this phenomenon should be reflected by a change in the time dependence of the mean particle displacement in comparison with ordinary diffusion. Although this process is considered to be the rate-controlling mechanism in a large variety of processes, so far no direct evidence of this phenomenon has been provided. Diffusion measurements made with pulsed field gradient nuclear magnetic resonance (NMR) in unidimensional pore systems (zeolites AlPO4-5 and Theta-1) reflect the expected time dependence of single-file diffusion.Keywords
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