THEORETICAL-STUDY OF THE DIFFUSION OF LARGE MOLECULES IN MICRO-HETEROGENEOUS MEDIA - THE SMOLUCHOVSKI APPROACH

被引:6
作者
PERNOT, P [1 ]
PANSU, R [1 ]
LEVY, B [1 ]
FAURE, J [1 ]
机构
[1] ECOLE NORMALE SUPER,DEPT CHIM,LPPM,F-94235 CACHAN,FRANCE
关键词
D O I
10.1016/0301-0104(93)85042-7
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
The possibility of extracting the initial location of probe molecules in a micelle from the dynamics of their diffusion towards the interface has been studied. Advantages and drawbacks of the simulation of this dynamics with a Smoluchovski-type equation are discussed on the example of bianthryl in a cetyl trimethyl ammonium chloride micelle. It appears that the size and shape of the domain where the extinction of the probe molecules occurs, has a critical role in this approach. Its accurate knowledge is a prerequisite to any precise determination of the initial location of the probes.
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页码:793 / 802
页数:10
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