Determination of the antioxidant propyl gallate in meat by using a screen-printed electrode modified with CoSe2 nanoparticles and reduced graphene oxide

被引：27
|
作者：
Chen, Shen-Ming [1 ]
Manavalan, Shaktivel [1 ]
Rajaji, Umamaheswari [1 ]
Govindasamy, Mani [1 ]
Chen, Tse-Wei [1 ,2 ]
Ali, M. Ajmal [3 ]
Alnakhli, Alaa Kazhem [3 ]
Al-Hemaid, Fahad M. A. [3 ]
Elshikh, M. S. [3 ]
机构：
[1] Natl Taipei Univ Technol, Dept Chem Engn & Biotechnol, 1,Sect 3,Chung Hsiao East Rd, Taipei 106, Taiwan
[2] Natl Taipei Univ Technol, Res & Dev Ctr Smart Text Technol, Taipei, Taiwan
[3] King Saud Univ, Coll Sci, Dept Bot & Microbiol, Riyadh 11451, Saudi Arabia
来源：
MICROCHIMICA ACTA | 2018年 / 185卷 / 11期
关键词：
Antioxidant; Electrochemical sensor; Reduced graphene oxide; Dichalcogenides; Food additive; TRANSITION-METAL DICHALCOGENIDES; ELECTROCHEMICAL SENSOR; SENSITIVE DETERMINATION; HIGHLY EFFICIENT; CARBON; FOOD; NANOTUBES; SUBSTRATE; COMPLEX;
D O I：
10.1007/s00604-018-3048-3
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
A voltammetric sensor is described for the quantitation of propyl gallate (PG). A screen-printed carbon electrode (SPCE) was modified with reduced graphene sheets that were decorated with cobalt diselenide nanoparticles (CoSe2@ rGO). The material was hydrothermally prepared and characterized by several spectroscopic techniques. The modified SPCE displays excellent electrocatalytic ability towards PG. Differential pulse voltammetry, with a peak voltage at 0.34 V (vs. Ag/ AgCl) has a sensitivity of 12.84 mu A center dot mu M-1 center dot cm-2 and a detection limit as low as 16 nM. The method is reproducible, selective, and practical. This method was applied to the determination of PG in spiked meat samples, and the result showed an adequate recovery.
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页数：9
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