Colorimetric and fluorescent sensing of pyrophosphate in 100% aqueous solution by a system comprised of rhodamine B compound and Al3+ complex

Chuda Raj Lohani; Joung-Min Kim; So-Young Chung; Juyoung Yoon; Keun-Hyeung Lee

doi:10.1039/C0AN00059K

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Colorimetric and fluorescent sensing of pyrophosphate in 100% aqueous solution by a system comprised of rhodamine B compound and Al³⁺ complex†

Chuda Raj Lohani,^a Joung-Min Kim,^a So-Young Chung,^b Juyoung Yoon*^b and Keun-Hyeung Lee*^a

Author affiliations

* Corresponding authors

^a Bioorganic Chemistry Lab, Department of Chemistry, Inha University, 253 Younghyun-Dong, Nam-Gu, Republic of Korea
E-mail: leekh@inha.ac.kr
Fax: + 82-32-867-5604
Tel: +82-32-860-7674

^b Department of Chemistry and Nano Science and Department of Bioinspired Science, Ewha Womans University, Seoul 120-750, Republic of Korea
E-mail: jyoon@ewha.ac.kr

Abstract

We developed a simple dual signal (color and ‘Off-On’ fluorescent change) ensemble system based on the complex between a rhodamine derivative 1 and Al³⁺ for the detection of pyrophosphate (PPi) in 100% aqueous solutions. The complex between the rhodamine compound and Al³⁺ was utilized as a chemosensing ensemble for the first time. The ensemble showed highly sensitive and selective fluorescent and colorimetric response to pyrophosphate among the anions in 100% aqueous solutions and no interference of the potent biological competitors including ATP, ADP, and phosphate for the detection of PPi in 100% aqueous solutions at pH 7.4.

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Supplementary files

Details of emission and absorbance spectra of 1 in the absence and presence of various metal ions, Job plot for 1·Al ³⁺ complexes, theoretical fit to the titration data, ESI mass spectra of 1 (40 ?M) with Al ³⁺ (10 equiv.) in the absence and presence of PPi PDF (405K)

Article information

DOI: https://doi.org/10.1039/C0AN00059K
Article type: Paper
Submitted: 03 Feb 2010
Accepted: 21 May 2010
First published: 25 Jun 2010

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Analyst, 2010,135, 2079-2084

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Colorimetric and fluorescent sensing of pyrophosphate in 100% aqueous solution by a system comprised of rhodamine B compound and Al³⁺ complex

C. R. Lohani, J. Kim, S. Chung, J. Yoon and K. Lee, Analyst, 2010, 135, 2079 DOI: 10.1039/C0AN00059K

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