Aggregation/dispersion-mediated peroxidase-like activity of MoS2 quantum dots for colorimetric pyrophosphate detection

Wanqiang Xia; Pu Zhang; Wensheng Fu; Lianzhe Hu; Yi Wang

doi:10.1039/C8CC09799B

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Aggregation/dispersion-mediated peroxidase-like activity of MoS₂ quantum dots for colorimetric pyrophosphate detection†

Wanqiang Xia,‡^a Pu Zhang,‡^b Wensheng Fu,^a Lianzhe Hu

^a and Yi Wang

*^a

Author affiliations

* Corresponding authors

^a Chongqing Key Laboratory of Green Synthesis and Applications, and College of Chemistry, Chongqing Normal University, Chongqing 401331, China
E-mail: ywang@cqnu.edu.cn

^b College of Pharmacy, Chongqing Medical University, Chongqing 400016, China

Abstract

Peroxidase-like activity of MoS₂ quantum dots can be manipulated by aggregation/dispersion in the presence of Fe³⁺ or a mix of Fe³⁺ and pyrophosphate (PPi). Based on this finding, a simple and reliable method for colorimetric PPi detection is developed.

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Article information

DOI: https://doi.org/10.1039/C8CC09799B
Article type: Communication
Submitted: 11 Dec 2018
Accepted: 17 Jan 2019
First published: 18 Jan 2019

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Chem. Commun., 2019,55, 2039-2042

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Aggregation/dispersion-mediated peroxidase-like activity of MoS₂ quantum dots for colorimetric pyrophosphate detection

W. Xia, P. Zhang, W. Fu, L. Hu and Y. Wang, Chem. Commun., 2019, 55, 2039 DOI: 10.1039/C8CC09799B

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