An axisymmetric flow-focusing microfluidic device

被引：309
|
作者：
Takeuchi, S
Garstecki, P
Weibel, DB
Whitesides, GM
机构：
[1] Harvard Univ, Dept Chem & Biol Chem, Cambridge, MA 02138 USA
[2] Univ Tokyo, Inst Ind Sci, Meguro Ku, Tokyo 1538505, Japan
来源：
ADVANCED MATERIALS | 2005年 / 17卷 / 08期
关键词：
D O I：
10.1002/adma.200401738
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
An axisymmetric flow-focusing microfluidic device (AFFD) is described. The AFFD (see Figure, top) produces micrometer-sized (50-300 mu m) polymercoated droplets (see Figure, bottom) with narrow size distributions (< 5%). The axisymmetric geometry confines droplets to the central axis of the channel and prevents them from being sheared or damaged at the channel walls. The device is used to prepare aqueous droplets encapsulated in nylon-6,6 membranes by carrying out interfacial polymerization reactions in situ.
引用
收藏
页码：1067 / +
页数：7
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