Fabrication of post-hydrophilic treatment-free plastic biochip using polyurea film

Hidetoshi Shinohara, Yoshikazu Takahashi, Jun Mizuno, Shuichi Shoji

研究成果: Article

10 引用 (Scopus)

抜粋

A novel low-temperature bonding method was developed by using polyurea film as intermediate layers. A microchip with a microchannel having a highly hydrophilic surface was realized by pretreatment with vacuum ultraviolet light irradiation under an oxygen atmosphere (VUV/O3). The bonding temperature is low enough to use thermo-plastic channel plates such as PMMA (poly(methyl methacrylate)) with negligible deformation of the channel structure. The results of contact angle measurements indicate the highly hydrophilic surface of the microchannel was retained after the bonding process. There was no leakage or obstacles to smooth fluidic flow at the bonded interface. For actual micro-biochip fabrication with this method, the post-hydrophilic treatment after bonding process is unnecessary.

元の言語English
ページ(範囲)187-191
ページ数5
ジャーナルSensors and Actuators, A: Physical
154
発行部数2
DOI
出版物ステータスPublished - 2009 9 24

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Instrumentation
  • Condensed Matter Physics
  • Surfaces, Coatings and Films
  • Metals and Alloys
  • Electrical and Electronic Engineering

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