An ejection microarray for in-situ oligonucleotide synthesis on DNA chips

被引：0
|
作者：
Gué, AM [1 ]
Phou, T [1 ]
Jugieu, D [1 ]
Conédéra, W [1 ]
机构：
[1] CNRS, Lab Anal & Architecture Syst, F-31077 Toulouse, France
来源：
BOSTON TRANSDUCERS'03: DIGEST OF TECHNICAL PAPERS, VOLS 1 AND 2 | 2003年
关键词：
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
A new microfluidic actuator for in situ oligonucleotides synthesis on DNA chips has been developed. It consists in a microarray of individually addressable ejectors able to deliver pl droplets. The working principle is based on thermal ink-jet printing. The design of the micro injector has been deduced from FEM simulation, in order to achieve 4000 ejectors/cm(2). The technological fabrication process includes the realisation of a thin dielectric and stress free membrane, of polysilicon heater resistors, and of SU8 photopolymerised nozzles. Ejections have been observed for 50 mus pulses and 1.25W power consumption without satellite droplets.
引用
收藏
页码：218 / 221
页数：4
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