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Issue 15, 2018
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A Pt and Pd bimetal nanowire based stereoselective sensor for the discrimination of ascorbic acid and isoascorbic acid

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Abstract

In this paper, a simple stereoselective sensing platform for the recognition of ascorbic acid (AA) and isoascorbic acid (IAA) was fabricated via immobilizing HS-β-cyclodextrin (HS-β-CD) on the surface of nanocomposite modified glassy carbon electrodes (GCEs). The nanocomposites were prepared using Pt and Pd bimetal nanowires (Pt–PdNWs) and reduced graphene oxide (rGO). The preparation process was characterized by scanning electron microscopy (SEM), energy-dispersive X-ray spectroscopy (EDX), cyclic voltammetry (CV) and differential pulse voltammetry (DPV). After the modified electrodes interacted with the analytes, obvious differences in the peak currents of AA and IAA were obtained, hinting at the ability of the proposed sensor to recognize AA and IAA. This sensor with simple preparation, a rapid response, and excellent stability and reproducibility provided a promising perspective to recognize and determine AA and IAA.

Graphical abstract: A Pt and Pd bimetal nanowire based stereoselective sensor for the discrimination of ascorbic acid and isoascorbic acid

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Publication details

The article was received on 07 Feb 2018, accepted on 11 Mar 2018 and first published on 13 Mar 2018


Article type: Paper
DOI: 10.1039/C8AY00300A
Citation: Anal. Methods, 2018,10, 1703-1708
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    A Pt and Pd bimetal nanowire based stereoselective sensor for the discrimination of ascorbic acid and isoascorbic acid

    J. Ma, C. Yang, S. Zhu, J. Song and Y. Fu, Anal. Methods, 2018, 10, 1703
    DOI: 10.1039/C8AY00300A

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