Issue 45, 2012
From the journal:

Chemical Communications

Photodynamic ion sensor systems with spiropyran: photoactivated acidity changes in plasticized poly(vinyl chloride)†

Günter Mistlberger,a   Gastón A. Crespo,a   Xiaojiang Xiea  and  Eric Bakker*a  

* Corresponding authors

a University of Geneva, 30 Quai Ernest Ansermet, 1211 Geneva 4, Switzerland
E-mail: g.mistlberger@gmail.com, eric.backker@unige.ch
Tel: +41 22 379 6429

Abstract

We aim to introduce photoactivated optical ion sensors based on a triggered ion exchange process as novel dynamic tools. The quantification of the acidity change upon photoactivation of spiropyran within an organic membrane phase during photoexcitation is described here for the first time, suggesting a large pKa change of more than 6 orders of magnitude.

Graphical abstract: Photodynamic ion sensor systems with spiropyran: photoactivated acidity changes in plasticized poly(vinyl chloride)

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Article information

DOI
https://doi.org/10.1039/C2CC30657C
Article type
Communication
Submitted
30 Jan 2012
Accepted
20 Apr 2012
First published
20 Apr 2012

Chem. Commun., 2012,48, 5662-5664

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Photodynamic ion sensor systems with spiropyran: photoactivated acidity changes in plasticized poly(vinyl chloride)

G. Mistlberger, G. A. Crespo, X. Xie and E. Bakker, Chem. Commun., 2012, 48, 5662 DOI: 10.1039/C2CC30657C

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