Article: Study results from Purdue University in the area of biomolecular research published.

According to a study from the United States, "In solution, the correlation time of the overall protein tumbling, tau [R] , plays a role of a natural dynamics cutoff-internal motions with correlation times on the order of tau [R] or longer cannot be reliably identified on the basis of spin relaxation data. It has been proposed some time ago that the 'observation window' of solution experiments can be expanded by changing the viscosity of solvent to raise the value of tau [R]."

"To further explore this concept, we prepared a series of samples of alpha-spectrin SH3 domain in solvent with increasing concentration of glycerol. In addition to the conventional N-15 ...

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