Electrophoretic separation on an origami paper-based analytical device using a portable power bank

Yu Matsuda*, Katsunori Sakai, Hiroki Yamaguchi, Tomohide Niimi

*この研究の対応する著者

研究成果査読

1 被引用数 (Scopus)

抄録

The electrophoresis of ampholytes such as amino acids on a paper device is difficult because of the variation of pH distribution in time. On the basis of this observation, we propose a paper-based analytical device (PAD) with origami structure. By folding a filter paper, a low operation voltage of 5 V was achieved, where the power was supplied by a 5 V 1.5 A portable power bank through the USB type A receptacle. As a demonstration, we carried out the electrophoretic separation of pI markers (pI 5.5 and 8.7). The separation was achieved within 4 min before the pH distribution on the paper varied. Though the separation distance was small, it could be increased by expanding the origami structure. This result indicates that our proposed PAD is useful for electrophoretic separation on a paper device.

本文言語English
論文番号1724
ジャーナルSensors (Switzerland)
19
7
DOI
出版ステータスPublished - 2019 4 1

ASJC Scopus subject areas

  • 分析化学
  • 生化学
  • 原子分子物理学および光学
  • 器械工学
  • 電子工学および電気工学

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