Paper Based Microfluidic Device Using Surface Acoustic Wave as Driving Source

被引：0
|
作者：
Zhang, Anliang [1 ]
Han, Qingjiang [1 ]
机构：
[1] Ningbo Univ, Dept Elect Engn, Ningbo 315211, Zhejiang, Peoples R China
来源：
MECHANICAL AND ELECTRONICS ENGINEERING III, PTS 1-5 | 2012年 / 130-134卷
关键词：
Paper based microfluidic device; Surface acoustic wave; Actuation; Detection;
D O I：
10.4028/www.scientific.net/AMM.130-134.1658
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
It is necessary to implement pretreatment operations for a paper based microfluidic device. A paper based microfluidic device with SAW driving microfluid has been implemented. Trance analyte to be detected was absorbed into a filter paper at first, and mounted on PDMS blocks on a piezoelectric substrate to ensure that the indicting filter paper has a little gap with the piezoelectric substrate. Reagents were then pipetted on the piezoelectric substrate and transported by surface acoustic wave excited by an interdigital transducer, which was fabricated on a 128(0)-yx LiNbO3 using micro-electrical technology. A color was developed due to chemical reaction, and the analyte concentration was evaluated by its grey value. Nitrate ion was detected using the microfluidic system.
引用
收藏
页码：1658 / 1662
页数：5
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