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: Article

8 引用 (Scopus)

抜粋

The constant-phase-mode operation of the light-addressable potentiometric sensor (LAPS) is proposed and demonstrated. In this new operation mode, the temporal change and the spatial distribution of the analyte concentration are recorded in the form of the bias voltage applied to the LAPS sensor plate, which is servo-controlled to maintain the phase of the photocurrent at a constant value with respect to the light modulation. The constant-phase-mode LAPS is advantageous for its wider measurement range and reduction of artifacts.

元の言語English
ページ(範囲)119-123
ページ数5
ジャーナルSensors and Actuators, B: Chemical
154
発行部数2
DOI
出版物ステータスPublished - 2011 6 20

ASJC Scopus subject areas

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

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