A non-enzymatic glucose sensor based on Ni/PANI coaxial nanowire arrays

Wang, Hongzhi; Qiu, Jianrui; Sun, Shaofeng; Zhang, Weiguo; Yao, Susu

doi:10.1007/s10854-021-05495-4

J Mater Sci: Mater Electron

2021

DOI: 10.1007/s10854-021-05495-4

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A non-enzymatic glucose sensor based on Ni/PANI coaxial nanowire arrays

Hongzhi Wang

Jianrui Qiu

Shaofeng Sun

et al.

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Cited by 5 publications

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“…Other groups viz. Liu et al44 and Wang et al45 also designed CuNPs/ poly (o -phenylenediamine) and Ni/PANi based sensor electrode respectively and have achieved low LOD values and higher sensitivity over a broad linear range of glucose concentrations. The present work describes progressive electrochemical route for fabrication of sensing electrode that allows a direct binder free growth of the polymer and metal NPs over the conductive ITO substrate.…”

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confidence: 99%

Deciphering Highly Sensitive Non-Enzymatic Glucose Sensor Based on Nanoscale CuO/PEDOT-MoS₂Electrodes in Chronoamperometry

Medhi

Mohanta

2022

ECS Adv.

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The present work demonstrates fabrication of a non-enzymatic glucose sensor based on CuO nanoparticles deposited over poly(3,4-ethylenedioxythiophene) (PEDOT) conducting polymer infiltrated with MoS2. Structural, morphological and elemental analysis of the fabricated sensor electrodes were performed via different characterization techniques like x-ray diffraction (XRD), field emission scanning electron microscopy (FESEM), elemental dispersive x-ray spectroscopy (EDX), and Fourier transform infra-red spectroscopy (FTIR). The cyclic voltammetry (CV) and electrochemical impedance spectroscopy (EIS) studies of the hybrid nanoelectrode (CuO/PEDOT-MoS2) exhibited better redox activity and electron transfer kinetics, as compared with the CuO/PEDOT and CuO only systems. Moreover, the electrochemical parameters of all the systems were determined and compared accordingly while CuO/PEDOT-MoS2 hybrid system offers a significant enhancement in the electroactive area (~1.47 cm- 2) and rate constant (0.76 s-1) towards oxidizing glucose into gluconic acid. In the CV responses, an augmented activity was monitored at +0.6 V which was considered as the dc bias potential in the chronoamperometric experiment for detecting glucose. The sensor electrode yielded a low LOD of 0.046 μM and with a sensitivity magnitude as high as 829 µA mM-1 cm-2 over a wide linear range, between 30 μM to 1.06 mM of glucose concentration.

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confidence: 99%

Deciphering Highly Sensitive Non-Enzymatic Glucose Sensor Based on Nanoscale CuO/PEDOT-MoS₂Electrodes in Chronoamperometry

Medhi

Mohanta

2022

ECS Adv.

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Enzyme-free nickel electrochemical glucose sensor fabricated on pencil graphite electrode by electrodeposition

Oskay

Özkan

2023

J Mater Sci: Mater Electron

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A flexible, transparent, and enzyme free sensor based on Ni@AgNW networks for glucose detection

Nguyen

Kim

2023

Ceramics International

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A non-enzymatic glucose sensor based on Ni/PANI coaxial nanowire arrays

Cited by 5 publications

References 56 publications

Deciphering Highly Sensitive Non-Enzymatic Glucose Sensor Based on Nanoscale CuO/PEDOT-MoS₂Electrodes in Chronoamperometry

Deciphering Highly Sensitive Non-Enzymatic Glucose Sensor Based on Nanoscale CuO/PEDOT-MoS₂Electrodes in Chronoamperometry

Enzyme-free nickel electrochemical glucose sensor fabricated on pencil graphite electrode by electrodeposition

A flexible, transparent, and enzyme free sensor based on Ni@AgNW networks for glucose detection

Contact Info

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About

A non-enzymatic glucose sensor based on Ni/PANI coaxial nanowire arrays

Cited by 5 publications

References 56 publications

Deciphering Highly Sensitive Non-Enzymatic Glucose Sensor Based on Nanoscale CuO/PEDOT-MoS2Electrodes in Chronoamperometry

Deciphering Highly Sensitive Non-Enzymatic Glucose Sensor Based on Nanoscale CuO/PEDOT-MoS2Electrodes in Chronoamperometry

Enzyme-free nickel electrochemical glucose sensor fabricated on pencil graphite electrode by electrodeposition

A flexible, transparent, and enzyme free sensor based on Ni@AgNW networks for glucose detection

Contact Info

Product

Resources

About

Deciphering Highly Sensitive Non-Enzymatic Glucose Sensor Based on Nanoscale CuO/PEDOT-MoS₂Electrodes in Chronoamperometry

Deciphering Highly Sensitive Non-Enzymatic Glucose Sensor Based on Nanoscale CuO/PEDOT-MoS₂Electrodes in Chronoamperometry