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Proceedings Paper

Co-immobilization of several dyes on optodes for pH measurements
Author(s): Gilbert Boisde; Bernard Sebille
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Paper Abstract

In order to measure the pH-zone with active optodes, the principles and effects of co- immobilization of several dyes are studied. Two techniques are compared: dye binding on poly.N (vinylimidazole) (PVI) grafted on silica fiber; and dye absorption on a cross-linked styrene-divinylbenzen resin at the end of fiber. The possibilities of these techniques with several reagents co-immobilized on the same optode are discussed.

Paper Details

Date Published: 1 September 1991
PDF: 15 pages
Proc. SPIE 1510, Chemical and Medical Sensors, (1 September 1991); doi: 10.1117/12.47127
Show Author Affiliations
Gilbert Boisde, Ctr. d'Etudes Nucleaires de Fontenay-aux-Roses/CEA (France)
Bernard Sebille, Lab. de Physico-chimie des Biopolymeres/Univ. Paris XII (France)


Published in SPIE Proceedings Vol. 1510:
Chemical and Medical Sensors
Otto S. Wolfbeis, Editor(s)

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