Issue 37, 2015
From the journal:

RSC Advances

Water-soluble pyrrolopyrrole cyanine (PPCy) near-infrared fluorescent pH indicators for strong acidity†

Simon Wiktorowski,a   Ewald Daltrozzoa  and  Andreas Zumbusch*a  

* Corresponding authors

a Fachbereich Chemie, Universität Konstanz, Universitätsstrasse 10, 78457 Konstanz, Germany
E-mail: andreas.zumbusch@uni-konstanz.de
Fax: +49-7531-88-3139

Abstract

Water-soluble, fluorescence-switchable derivatives of pyrrolopyrrole cyanines (PPCys) which serve as near-infrared pH indicators have been synthesized. The dyes reported have pKa values of 2.4–3.4 and thus are suitable for sensing in highly acidic environments. The new pH probes were evaluated by fluorescence imaging experiments in a cellular environment.

Graphical abstract: Water-soluble pyrrolopyrrole cyanine (PPCy) near-infrared fluorescent pH indicators for strong acidity

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Article information

DOI
https://doi.org/10.1039/C5RA04812E
Article type
Communication
Submitted
03 Mar 2015
Accepted
19 Mar 2015
First published
19 Mar 2015
This article is Open Access
Creative Commons BY license

RSC Adv., 2015,5, 29420-29423

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Water-soluble pyrrolopyrrole cyanine (PPCy) near-infrared fluorescent pH indicators for strong acidity

S. Wiktorowski, E. Daltrozzo and A. Zumbusch, RSC Adv., 2015, 5, 29420 DOI: 10.1039/C5RA04812E

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