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Issue 20, 2015
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Photodynamic optical sensor for buffer capacity and pH based on hydrogel-incorporated spiropyran

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Abstract

We introduce here a dynamic optode for buffer capacity sensing based on photochromic spiropyran (Sp). It represents the first reversible optical sensor for buffer capacity. Sensing was possible using a non-equilibrium readout mode, a novelty for photoswitchable optical ion sensors. In addition to the buffer capacity, the final point of each measurement sequence provides the pH of the solution.

Graphical abstract: Photodynamic optical sensor for buffer capacity and pH based on hydrogel-incorporated spiropyran

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Supplementary files

Article information


Submitted
03 Oct 2014
Accepted
27 Oct 2014
First published
27 Oct 2014

Chem. Commun., 2015,51, 4172-4175
Article type
Communication
Author version available

Photodynamic optical sensor for buffer capacity and pH based on hydrogel-incorporated spiropyran

G. Mistlberger, M. Pawlak, E. Bakker and I. Klimant, Chem. Commun., 2015, 51, 4172
DOI: 10.1039/C4CC07821G

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