Direct fabrication of a microfluidic chip for electrophoresis analysis by water-assisted femtosecond laser writing in porous glass

被引：0

作者：

居永凤 ^{[1
,2
]}

刘昌宁 ^{[1
,2
]}

廖洋 ^{[1
]}

柳洋 ^{[1
,2
]}

张龙 ^{[1
]}

沈应龙 ^{[1
,2
]}

陈丹平 ^{[1
]}

程亚 ^{[1
]}

机构：

[1] Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences

[2] University of Chinese Academy of Sciences

来源：

Chinese Optics Letters | 2013年 / 11卷 / 07期

基金：

中国国家自然科学基金;

关键词：

Direct fabrication of a microfluidic chip for electrophoresis analysis by water-assisted femtosecond laser writing in porous glass;

D O I：

暂无

中图分类号：

TN405 [制造工艺];

学科分类号：

080903 ; 1401 ;

摘要：

We report the direct fabrication of a microfluidic chip composed of two high-aspect ratio microfluidic channels with lengths of 3.5 cm and 8 mm in a glass substrate by femtosecond laser micromachining. The fabrication mainly consists of two steps: 1) writing microchannels and microchambers in a porous glass by scanning a tightly focused laser beam; 2) high-temperature annealing of the glass sample to collapse all the nanopores in the glass. Migration of derivatized amino acids is observed in the microfluidic channel by applying electric voltage across the long-migration microchannel.

引用

页码：61 / 64

页数：4

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