Direct growth of ordered PdCu and Co doped PdCu nanoparticles on graphene oxide based on a one-step hydrothermal method for ultrasensitive sensing of H2O2 in living cells

Wu-Shuang Bai; Xin-Jin Zhang; Jian-Bin Zheng

doi:10.1039/C8AN01875H

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Direct growth of ordered PdCu and Co doped PdCu nanoparticles on graphene oxide based on a one-step hydrothermal method for ultrasensitive sensing of H₂O₂ in living cells†

Wu-Shuang Bai,^a Xin-Jin Zhang^b and Jian-Bin Zheng

*^b

Author affiliations

* Corresponding authors

^a College of Food Science and Engineering, Shaanxi Provincial Key Laboratory of Electroanalytical Chemistry, Northwest University, Xi'an, Shaanxi 710069, China

^b College of Chemistry & Materials Science, Shaanxi Provincial Key Laboratory of Electroanalytical Chemistry, Northwest University, Xi'an, Shaanxi 710069, China
E-mail: bws@nwu.edu.cn

Abstract

Ordered PdCu and Co doped PdCu nanoparticles have been synthesized on graphene oxide (GO). The obtained Co–PdCu/GO composites were used to fabricate a H₂O₂ electrochemical sensor which exhibits an ultralow LOD (limit of detection) of 1.2 nM and an extra broad linear range of 5 nM–5.774 mM, and has been used to detect H₂O₂ in living cells successfully.

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Article information

DOI: https://doi.org/10.1039/C8AN01875H
Article type: Communication
Submitted: 29 Sep 2018
Accepted: 19 Nov 2018
First published: 22 Nov 2018

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Analyst, 2019,144, 157-160

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Direct growth of ordered PdCu and Co doped PdCu nanoparticles on graphene oxide based on a one-step hydrothermal method for ultrasensitive sensing of H₂O₂ in living cells

W. Bai, X. Zhang and J. Zheng, Analyst, 2019, 144, 157 DOI: 10.1039/C8AN01875H

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