Constant-phase-mode operation of the light-addressable potentiometric sensor

Ko ichiro Miyamoto, Torsten Wagner, Shuhei Mimura, Shin'ichiro Kanoh, Tatsuo Yoshinobu, Michael J. Schöning

研究成果: Conference article査読

4 被引用数 (Scopus)

抄録

We herein propose and demonstrate the constant-phase-mode operation of the light-addressable potentiometric sensor (LAPS). The bias voltage applied to the LAPS sensor plate is servo-controlled to maintain the phase of the photocurrent with respect to the light modulation at a constant value. In this new operation mode, the temporal change and the spatial distribution of the potential at the sensing surface can be recorded and converted into the analyte concentration. This LAPS with a constant-phasemode is advantageous due to its wider measurement range and reduction of artifacts.

本文言語English
ページ(範囲)1487-1490
ページ数4
ジャーナルProcedia Chemistry
1
1
DOI
出版ステータスPublished - 2009 9月
外部発表はい
イベントEurosensors 23rd Conference - Lausanne, Switzerland
継続期間: 2009 9月 62009 9月 9

ASJC Scopus subject areas

  • 化学 (全般)
  • 化学工学(全般)

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