Reduced graphene oxide and poly(L-methionine) modified screen-printed carbon electrode for determination of yellow azo dye

被引：0
|
作者：
Akkapinyo, Chutimon [1 ]
Ngamkham, Kamolchanok [1 ]
Plongthongkum, Nongluk [1 ]
Poo-arporn, Rungtiva P. [1 ]
机构：
[1] King Mongkuts Univ Technol Thonburi, Fac Engn, Biol Engn Program, Bangkok, Thailand
来源：
2019 12TH BIOMEDICAL ENGINEERING INTERNATIONAL CONFERENCE (BMEICON 2019) | 2019年
关键词：
Cyclic voltammetry; graphene; methionine; tartrazine; SUNSET YELLOW; SENSITIVE DETERMINATION; TARTRAZINE; SENSOR; NANOCOMPOSITE; PLATFORM;
D O I：
暂无
中图分类号：
R318 [生物医学工程];
学科分类号：
0831 ;
摘要：
The reduced graphene oxide (rGO) and poly(Lmethionine) film on screen printed carbon electrodes (SPCE) was proposed for tartrazine determination. The rGO was synthesized based on glucose reduction and modified on SPCE by drop casting. Cyclic voltammetry (CV) was applied to electropolymerize poly(L-methionine) film on SPCE. The electrochemical behaviour of tartrazine on rGO- methionine modified SPCE and the effects of pH were characterized by CV. The modified electrode exhibited a linear response to tartrazine at concentrations from 10 to 200 mu M with a detection limit of 0.287 mu M. Due to the facile preparation, disposability, and low cost, this modified sensor can be a good alternative for tartrazine determination.
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页数：4
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