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Proceedings Paper

Comparisons Between Two Dye-Immobilization Techniques On Optodes For The Ph - Measurement By Absorption And Reflectance
Author(s): Gilbert Boisde; Bruno Biatry; Benoit Magny; Bernard Dureault; Floreal Blanc; Bernard Sebille
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Paper Abstract

Two dye-immobilization techniques on optodes are comparated ; first : adsorption of dyes on a cross-linked styrene-divinylbenzene resin ; second : ionic and adsorption binding on a hydrophilic charged polymer layer. This layer is based upon quaternized poly N-(vinylimidazole) grafted on silica fiber. The kinetics of dyes desorption, the shift of pK'a, the reproducibility of disposal probes are analyzed. A new technique of dyes coimmobilization is also explored.

Paper Details

Date Published: 13 February 1990
PDF: 12 pages
Proc. SPIE 1172, Chemical, Biochemical, and Environmental Fiber Sensors, (13 February 1990); doi: 10.1117/12.963194
Show Author Affiliations
Gilbert Boisde, CEA-IRDI-DERDCA (France)
Bruno Biatry, Universite PARIS XII (France)
Benoit Magny, CEA-IRDI-DERDCA (France)
Bernard Dureault, CEA-IRDI-DERDCA (France)
Floreal Blanc, CEA-IRDI-DERDCA (France)
Bernard Sebille, Universite PARIS XII (France)


Published in SPIE Proceedings Vol. 1172:
Chemical, Biochemical, and Environmental Fiber Sensors
Robert A. Lieberman; Marek T. Wlodarczyk, Editor(s)

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