SELECTION OF BROWNIAN PARTICLES

被引：45
|
作者：
FAUCHEUX, LP
LIBCHABER, A
机构：
[1] NEC RES INST,PRINCETON,NJ 08544
[2] ROCKEFELLER UNIV,NEW YORK,NY 10021
来源：
JOURNAL OF THE CHEMICAL SOCIETY-FARADAY TRANSACTIONS | 1995年 / 91卷 / 18期
关键词：
D O I：
10.1039/ft9959103163
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：
A macroscopic drift of Brownian particles (1.5 and 2.5 mu m diameter silica spheres in water) is induced by switching on and off a spatially periodic asymmetric potential. It is defined by an ac voltage, applied between asymmetrically shaped metallic electrodes deposited on a glass plate. The induced drift is a function of the particle diffusion coefficient; one can thus select particles according to their size.
引用
收藏
页码：3163 / 3166
页数：4
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