期刊论文

Deng, Peihong;Chen, Dongchu

英文

Biomolecules

2218-273X

2019

9

5

ARTN 176

10.3390/biom9050176

NSFCNational Natural Science Foundation of China (NSFC) [61703152]; Hunan Provincial Natural Science FoundationNatural Science Foundation of Hunan Province [2016JJ4010, 2018JJ3134]; Postgraduate Innovation Fund of the School of Life Sciences and Chemistry in HUT; Doctoral Program Construction of Hunan University of Technology; Project of Science and Technology Plan in Zhuzhou [201706-201806]; Opening Project of Key Discipline of Materials Science in Guangdong (ESI Project) [GS06021, CNXY2017001, CNXY2017002, CNXY2017003]; Key Project of the Department of Education of Guangdong Province [2016GCZX008]; Foundation of Key Laboratory of Functional Organometallic Materials, University of Hunan Province; Foundation of Key Laboratory of Functional Metal-Organic Compounds of Hunan Province; project of the Engineering Research Center of Foshan [20172010018]; Project of Science and Technology of Hunan Province Education Department [18A273, 18C0522]

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In this paper, a nanocomposite of cuprous oxide and electrochemically reduced graphene oxide (Cu2O-ERGO) was prepared by a simple and low-cost method; hereby, a new method for the electrochemical determination of tryptophan (Trp) by this composite modified glassy carbon electrode (GCE) is proposed. The prepared materials and modified electrodes were characterized by scanning electron microscopy (SEM), X-ray diffraction (XRD), and cyclic voltammetry (CV). The results showed that Cu2O-ERGO/GCE had good electrocatalytic activity for Trp. The effects of supporting electrolyte, scanning rate, accum...