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

页码：1658 / 1662

页数：5

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