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

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

Research output: Chapter in Book/Report/Conference proceedingConference contribution

10 Citations (Scopus)

Abstract

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.

Original languageEnglish
Title of host publicationProceedings of SPIE - The International Society for Optical Engineering
Pages179-189
Number of pages11
Volume2508
Publication statusPublished - 1995
Externally publishedYes
EventChemical, Biochemical, and Environmental Fiber Sensors VII - Munich, Ger
Duration: 1995 Jun 191995 Jun 20

Other

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

Fingerprint

membranes
Membranes
evaluation
specifications
Transducers
Ion exchange
transducers
diffusion coefficient
Viscosity
viscosity
Specifications
requirements
sensors
Sensors

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Condensed Matter Physics

Cite this

Spichiger-Keller, U. E., Citterio, D., & Bott, M. (1995). Analyte-selective optode membranes and optical evaluation techniques: characterization of response behavior by ATR measurements. In Proceedings of SPIE - The International Society for Optical Engineering (Vol. 2508, pp. 179-189)

Analyte-selective optode membranes and optical evaluation techniques : characterization of response behavior by ATR measurements. / Spichiger-Keller, Ursula E.; Citterio, Daniel; Bott, M.

Proceedings of SPIE - The International Society for Optical Engineering. Vol. 2508 1995. p. 179-189.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Spichiger-Keller, UE, Citterio, D & Bott, M 1995, Analyte-selective optode membranes and optical evaluation techniques: characterization of response behavior by ATR measurements. in Proceedings of SPIE - The International Society for Optical Engineering. vol. 2508, pp. 179-189, Chemical, Biochemical, and Environmental Fiber Sensors VII, Munich, Ger, 95/6/19.
Spichiger-Keller UE, Citterio D, Bott M. Analyte-selective optode membranes and optical evaluation techniques: characterization of response behavior by ATR measurements. In Proceedings of SPIE - The International Society for Optical Engineering. Vol. 2508. 1995. p. 179-189
Spichiger-Keller, Ursula E. ; Citterio, Daniel ; Bott, M. / Analyte-selective optode membranes and optical evaluation techniques : characterization of response behavior by ATR measurements. Proceedings of SPIE - The International Society for Optical Engineering. Vol. 2508 1995. pp. 179-189
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