Solvation dynamics and proton transfer in supramolecular assemblies

被引：441

作者：

Bhattacharyya, K ^{[1
]}

机构：

[1] Indian Assoc Cultivat Sci, Dept Phys Chem, Kolkata 700032, W Bengal, India

来源：

ACCOUNTS OF CHEMICAL RESEARCH | 2003年 / 36卷 / 02期

关键词：

D O I：

10.1021/ar020067m

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Water molecules confined in a supramolecular assembly control reactivity and dynamics of biological systems in a unique way. In a confined system,water molecules display an ultraslow component of solvation which is slower than that in bulk water by 2-4 orders of magnitude. The ultraslow component arises mainly from the disruption of the hydrogen-bond network of water and the binding of water molecules to a macromolecule. The ultraslow component of solvation markedly retards polar reactions. Many examples of slow dynamics in complex systems, and their implications in biological and natural processes are discussed.

引用

页码：95 / 101

页数：7

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