Preparation gold nanoparticles using herb leaf extract for electro-oxidation determination of ascorbic acid

Yuhong ZhengInstitute of Botany, Jiangsu Province and Chinese Academy of Sciences (Nanjing Botanical Garden Mem. Sun Yat-Sen), Nanjing, P.R. China; ;Jiangsu Key Laboratory for the Research and Utilization of Plant Resources, Institute of Botany, Jiangsu Province and Chinese Academy of Sciences, Nanjing, P.R. China;

Huaiwei ZhangCollege of Materials and Environmental Engineering, Hangzhou Dianzi University, Hangzhou, P.R. China

Li FuCollege of Materials and Environmental Engineering, Hangzhou Dianzi University, Hangzhou, P.R. ChinaCorrespondence[email protected]

Abstract

Green and efficient synthetic methods have been gaining great interest for the preparation of nanoparticles. In this contribution, the biosynthesis of gold nanoparticles (Au NPs) and its electro-oxidation activity for determination of ascorbic acid was studied. The biosynthesis of Au NPs was carried out using the Plectranthus amboinicus leaf extract as reducing agent and stabilizer. The optical property of biosynthesized Au NPs was determined by UV–Vis spectrophotometer. We further investigated the electro-catalytic property of the biosynthesized Au NPs by electro-oxidation of ascorbic acid.

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Preparation gold nanoparticles using herb leaf extract for electro-oxidation determination of ascorbic acid

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Preparation gold nanoparticles using herb leaf extract for electro-oxidation determination of ascorbic acid

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