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Chem Commun 2015 51, 1579-1582.pdf (2.18 MB)

Virtues and limitations of Pittsburgh green for ozone detection

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posted on 2015-02-25, 11:12 authored by Carlos Castello Beltran, Elliott A. Palmer, Benjamin BuckleyBenjamin Buckley, Felipe IzaFelipe Iza
A recently proposed 2′,7′-dichlorofluorescein (DCF)-derived fluorescent probe for the detection of ozone shows good selectivity against a number of reactive oxygen species and good pH stability for biological and environmental applications. It is found, however, that over oxidation of the fluorescent product (Pittsburgh green) can occur. This could render quantitative measurements inaccurate due to a reduction in fluorescence and overlapping fluorescence signals from over oxidation by-products and it requires careful experimental design. Although difficult to assess by fluorescence measurements, the over oxidation can be conveniently monitored by 1H NMR spectroscopy.

Funding

We thank Loughborough University for a PhD studentship (to C.C.-B.), Research Councils UK for a RCUK Fellowship (to B.R.B.) and the UK Engineering and Physical Science Research Council (F.I.)

History

School

  • Science

Department

  • Chemistry

Published in

Chemical Communications

Volume

51

Issue

9

Pages

1579 - 1582

Citation

CASTELLO BELTRAN, C. ... et al., 2015. Virtues and limitations of Pittsburgh green for ozone detection. Chemical Communications, 51 (9), pp. 1579 - 1582.

Publisher

Royal Society of Chemistry

Version

  • VoR (Version of Record)

Publisher statement

This work is made available according to the conditions of the Creative Commons Attribution 3.0 Unported (CC BY 3.0) licence. Full details of this licence are available at: http://creativecommons.org/licenses/by/3.0/

Publication date

2015

Notes

This is an Open Access Article. It is published by Royal Society of Chemistry under the Creative Commons Attribution 3.0 Unported Licence (CC BY). Full details of this licence are available at: http://creativecommons.org/licenses/by/3.0/

ISSN

1359-7345

eISSN

1364-548X

Language

  • en

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