期刊
CHEMISTRY-A EUROPEAN JOURNAL
卷 15, 期 19, 页码 4746-4759出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/chem.200802396
关键词
biomimetic synthesis; collision frequency; homogeneous catalysis; mechanical reaction; nonequilibrium
资金
- Monash University, Princeton University
- University of Wollongong
Chemical reactions may be controlled by either: 1)the minimum threshold energy that must be overcome during collisions between reactant molecules/atoms (the activation energy, E(a)) or: 2)the rate at which reactant collisions occur (the collision frequency, A)-for reactions with low E(a). Reactions of type 2 are governed by the physical, mechanical interaction of the reactants. Such mechanical processes are unusual, but not unknown in molecular catalysts. In this work we examine the machine-like nature of the action in various abiological mechanical catalysts and consider the implications for mimicry of biological catalysts.
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