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Development of new dyes for use in integrated optical sensors

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Abstract

New chromoionophores have been developed, focused on NIR applications so that optode membranes may be used in monolithically integrated optical sensors. The wavelength of maximum absorbance has been estimated for a new model compound by the Pariser-Parr-Pople (PPP) method. Several cyanine type dyes have been tested as membrane chromoionophores. Membrane composition has been altered to overcome solubility problems. In this way, simple pH-sensitive optode membranes have been produced.

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Authors and Affiliations

  1. Departement für Pharmazie, Eidgenössische Technische Hochschule (ETH), Zentrum für Chemische Sensoren/Biosensoren und bioAnalytische Chemie, Technopark Zürich, Technoparkstrasse 1, CH-8005, Zürich, Switzerland

    D. Citterio, Stefan Rásonyi & Ursula E. Spichiger

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  1. D. Citterio
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  2. Stefan Rásonyi
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  3. Ursula E. Spichiger
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Citterio, D., Rásonyi, S. & Spichiger, U.E. Development of new dyes for use in integrated optical sensors. Fresenius J Anal Chem 354, 836–840 (1996). https://doi.org/10.1007/s0021663540836

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  • DOI: https://doi.org/10.1007/s0021663540836

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