Issue 4, 2015
From the journal:

Analyst

Coumarin 545: an emission reference dye with a record-low temperature coefficient for ratiometric fluorescence based temperature measurements†

Deqi Mao,‡ab   Xiaogang Liu,§‡c   Qinglong Qiao,ab   Wenting Yin,b   Miao Zhao,b   Jacqueline M. Cole,*cd   Jingnan Cui*a  and  Zhaochao Xu*ab  

* Corresponding authors

a State Key Laboratory of Fine Chemicals, Dalian University of Technology, Dalian 116012, China
E-mail: zcxu@dicp.ac.cn, jncui@dlut.edu.cn
Fax: +86-411-84379648
Tel: +86-411-84379648

b Key Laboratory of Separation Science for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China

c Cavendish Laboratory, Department of Physics, University of Cambridge, J. J. Thomson Avenue, Cambridge, UK
E-mail: jmc61@cam.ac.uk
Fax: +44 (0)1223 373536
Tel: +44 (0)1223 337470

d Argonne National Laboratory, 9700 S Cass Avenue, Argonne, IL 60439, USA

Abstract

The emission intensities of coumarin 545 solution exhibit a low temperature dependence, with a record-low temperature coefficient of only ∼0.025% per °C. This monomer-aggregate coupled fluorescence system can be used for ratiometric temperature measurements with high spatial and temporal resolutions; three different working modes have been demonstrated.

Graphical abstract: Coumarin 545: an emission reference dye with a record-low temperature coefficient for ratiometric fluorescence based temperature measurements

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Article information

DOI
https://doi.org/10.1039/C4AN02075H
Article type
Communication
Submitted
11 Nov 2014
Accepted
17 Dec 2014
First published
17 Dec 2014

Analyst, 2015,140, 1008-1013

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Coumarin 545: an emission reference dye with a record-low temperature coefficient for ratiometric fluorescence based temperature measurements

D. Mao, X. Liu, Q. Qiao, W. Yin, M. Zhao, J. M. Cole, J. Cui and Z. Xu, Analyst, 2015, 140, 1008 DOI: 10.1039/C4AN02075H

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