Rapid fabrication of electrochemical enzyme sensor chip using polydimethylsiloxane microfluidic channel

  • Yamaguchi A
  • Jin P
  • Tsuchiyama H
 et al. 
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Abstract

Applicability of polydimethylsiloxane (PDMS) for easy and rapid fabrication of enzyme sensor chips, based on electrochemical detection, is examined. The sensor chip consists of PDMS substrate with a microfluidic channel fabricated in it, and a glass substrate with enzyme-modified microelectrodes. The two substrates are clamped together between plastic plates. The sensor chip has shown no leakage around the microelectrodes under continuous solution flow (34 mul/min). Amperometric response of the sensor chips developed in this work suggest that various types of enzyme sensors can be designed by using PDMS microfluidic channels. (C) 2002 Elsevier Science B.V. All rights reserved.

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Authors

  • A Yamaguchi

  • P Jin

  • H Tsuchiyama

  • T Masuda

  • K Sun

  • S Matsuo

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