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摘要:
Electrochemical determination of paracetamol(PCT)was successfully performed using carbon paste electrodes(CPEs)modified with treated coffee husks(CHt)or cellulose powder(Ce).Scanning electron microscopy was used to characterize unmodified or modified CPEs prior to their use.The electrochemical oxidation of PCT was investigated using square wave voltammetry(SWV)and cyclic voltammetry(CV).The oxidation current density of PCT was two-fold higher with the CPE-CHt sensor and 30%higher with CPE-Ce in comparison with the unmodified CPE,and this correlated with the higher hydrophilicity of the modified electrodes.Using SWV for the electrochemical analysis of PCT,carbon paste electrode modified with raw coffee husks(CPE-CHr)showed the presence of impurities at+0.27 V/SCE,showing the interest in using pure cellulose for the present analytical application.Furthermore,CPE-Ce presented a higher real area compared to CPE-CHr,which explains the increase in the limit of saturation from 400 mg/L to 950 mg/L.The better saturation limit exhibited by CPE-Ce justifies its choice for electroanalysis of PCT in commercialized tablets.The proposed method was successfully applied in the determination of PCT in commercialized tablets(DolipraneR 500)with a recovery rate close to 100%,and no interference with the excipients contained in the tablets analyzed was observed.This novel sensor opens the way for sustainable development of electroanalytical control of drugs sold individually in developing countries.
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篇名 Paracetamol Sensitive Cellulose-Based Electrochemical Sensors
来源期刊 可再生材料杂志(英文) 学科 医学
关键词 PARACETAMOL carbon PASTE electrode coffee HUSKS CELLULOSE fibers square wave VOLTAMMETRY ELECTROANALYSIS
年,卷(期) kzsclzzyw_2018,(3) 所属期刊栏目
研究方向 页码范围 242-250
页数 9页 分类号 R44
字数 语种
DOI
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研究主题发展历程
节点文献
PARACETAMOL
carbon
PASTE
electrode
coffee
HUSKS
CELLULOSE
fibers
square
wave
VOLTAMMETRY
ELECTROANALYSIS
研究起点
研究来源
研究分支
研究去脉
引文网络交叉学科
相关学者/机构
期刊影响力
可再生材料杂志(英文)
月刊
2164-6325
江苏省南京市浦口区东大路2号东大科技园A
出版文献量(篇)
126
总下载数(次)
1
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