Analyte-selective optode membranes and optical evaluation techniques: characterization of response behavior by ATR measurements

Ursula E. Spichiger-Keller, D. Citterio, M. Bott

研究成果: Conference contribution

11 被引用数 (Scopus)

抄録

A variety of analyte-selective bulk membranes for use in optodes have been developed. They combine effectively with various optical transducers and detection techniques. Although the working principles of these membranes differ, the basic principle is a diffusion-limited exchange of the analyte between sample solution and optical bulk membrane. The thickness and viscosity of the membranes govern the diffusion and, therefore, the response time of the sensor. In accord with analytical requirements, the specifications of optode membranes can be predicted from measurements of the overall diffusion coefficients in the membrane phase. The ATR-approach is shown to be an attractive technique for such investigations.

本文言語English
ホスト出版物のタイトルProceedings of SPIE - The International Society for Optical Engineering
ページ179-189
ページ数11
出版ステータスPublished - 1995
外部発表はい
イベントChemical, Biochemical, and Environmental Fiber Sensors VII - Munich, Ger
継続期間: 1995 6 191995 6 20

出版物シリーズ

名前Proceedings of SPIE - The International Society for Optical Engineering
2508
ISSN(印刷版)0277-786X

Other

OtherChemical, Biochemical, and Environmental Fiber Sensors VII
CityMunich, Ger
Period95/6/1995/6/20

ASJC Scopus subject areas

  • 電子材料、光学材料、および磁性材料
  • 凝縮系物理学
  • コンピュータ サイエンスの応用
  • 応用数学
  • 電子工学および電気工学

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