Determination of the antioxidant propyl gallate in meat by using a screen-printed electrode modified with CoSe<Subscript>2</Subscript> nanoparticles and reduced graphene oxide期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

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

Authors:	Shen-Ming?Chen author-information" > author-information__orcid u-icon-before icon--orcid u-icon-no-repeat" > http://orcid.org/---" itemprop=" url" title=" View OrcID profile" target=" _blank" rel=" noopener" data-track=" click" data-track-action=" OrcID" data-track-label=" " >View author&# s OrcID profile,Shaktivel?Manavalan,Umamaheswari?Rajaji,Mani?Govindasamy,Tse-Wei?Chen,M.?Ajmal Ali author-information" > author-information__contact u-icon-before" > mailto:alimohammad@ksu.edu.sa" title=" alimohammad@ksu.edu.sa" itemprop=" email" data-track=" click" data-track-action=" Email author" data-track-label=" " >Email author,Alaa?Kazhem?Alnakhli,Fahad?M.?A.?Al-Hemaid,M.?S.?Elshikh

Affiliation:	1.Department of Chemical Engineering and Biotechnology,National Taipei University of Technology,Taipei,Taiwan;2.Research and Development Center for Smart Textile Technology,National Taipei University of Technology,Taipei,Taiwan;3.Department of Botany and Microbiology, College of Science,King Saud University,Riyadh,Saudi Arabia

Abstract:	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 μA·μM^?1·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. Open image in new window Graphical abstract Schematic of a new method for fast and sensitive electrochemical determination of the food additive propyl gallate in meat

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