Uniformly distributed ruthenium nanocrystals as highly efficient peroxidase for hydrogen peroxide colorimetric detection and nitroreductase for 4-nitroaniline reduction

Shiya Feng; Mei Ming; Mingzhu Wang; Xue Wang; Daiping He; Ping Jiang; Yuyun Chen

doi:10.1039/D0CC04101G

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Uniformly distributed ruthenium nanocrystals as highly efficient peroxidase for hydrogen peroxide colorimetric detection and nitroreductase for 4-nitroaniline reduction†

Shiya Feng,‡^a Mei Ming,‡^b Mingzhu Wang,^a Xue Wang,^a Daiping He,

*^a Ping Jiang

*^a and Yuyun Chen*^c

Author affiliations

* Corresponding authors

^a Chongqing Key Laboratory of Inorganic Functional Materials, College of Chemistry, Chongqing Normal University, Chongqing 401331, China
E-mail: hedaiping@126.com, jphdp868@126.com

^b College of Chemistry and Materials Science, Sichuan Normal University, Chengdu 610068, China

^c Guangxi Key Laboratory of Chemistry and Engineering of Forest Products, Guangxi University for Nationalities, Nanning 530008, China
E-mail: yuyunchen2021@sina.com

Abstract

Here, we report highly dispersed small ruthenium nanoparticles (NPs) anchored onto a porous carbon (Ru/PC) with a clean catalytic surface and explore their excellent peroxidase-like activity for 3,3′,5,5′-tetramethylbenzidine oxidation mediated by H₂O₂, which allows sensitive colorimetric detection of H₂O₂ with a low detection limit of 3.8 μM. Moreover, it is also found that the Ru/PC has a high nitroreductase-like activity for 4-nitroaniline reduction triggered by NaBH₄.

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Article information

DOI: https://doi.org/10.1039/D0CC04101G
Article type: Communication
Submitted: 12 Jun 2020
Accepted: 05 Sep 2020
First published: 07 Sep 2020

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Chem. Commun., 2020,56, 12347-12350

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Uniformly distributed ruthenium nanocrystals as highly efficient peroxidase for hydrogen peroxide colorimetric detection and nitroreductase for 4-nitroaniline reduction

S. Feng, M. Ming, M. Wang, X. Wang, D. He, P. Jiang and Y. Chen, Chem. Commun., 2020, 56, 12347 DOI: 10.1039/D0CC04101G

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Chemical Communications

Uniformly distributed ruthenium nanocrystals as highly efficient peroxidase for hydrogen peroxide colorimetric detection and nitroreductase for 4-nitroaniline reduction†

Abstract

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Uniformly distributed ruthenium nanocrystals as highly efficient peroxidase for hydrogen peroxide colorimetric detection and nitroreductase for 4-nitroaniline reduction

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