期刊
BIOSENSORS & BIOELECTRONICS
卷 85, 期 -, 页码 807-813出版社
ELSEVIER ADVANCED TECHNOLOGY
DOI: 10.1016/j.bios.2016.05.095
关键词
Reduced graphene oxide; Molybdenum disulfide; Folic acid; Differential pulse voltammetry; Human serum
类别
资金
- Centre National de la Recherche Scientifique (CNRS)
- University Lille 1
- Nord Pas-de-Calais region
- Institut Universitaire de France (IUF)
In this study, a new matrix based on a molybdenum disulfide-reduced graphene oxide hybrid (MoS2-rGO) was prepared and characterized. Modification of a glassy carbon electrode (GCE) with MoS2-rGO (MG) using drop casting allowed for the selective analysis of folic acid in the presence of a variety of interference species with a limit of detection of 10 nM, a linear range between 0.01 mu M and 100 mu M with a sensitivity of 14 mu A mu M-1. In addition, the analytical performance of the proposed sensor was successfully conducted for the determination of folic acid in human serum samples, making MG-GC electrodes promising interfaces for bio-electrochemical applications. (C) 2016 Elsevier B.V. All rights reserved.
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