Studies on the Electrochemical Behavior of Thiazolidine and ItsApplications Using a Flow–Through Chronoamperometric Sensor Based on a Gold Electrode

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標題:	Studies on the Electrochemical Behavior of Thiazolidine and ItsApplications Using a Flow–Through Chronoamperometric Sensor Based on a Gold Electrode
作者:	Wang, Lai-Hao Li, Wen-Jie
貢獻者:	醫藥化學系
關鍵字:	electrochemical behavior thiazolidine chronoamperometric sensor gold electrode
日期:	2011-09
上傳時間:	2013-10-23 15:21:22 (UTC+8)
出版者:	MDPI AG
摘要:	The electrochemical behaviors of thiazolidine (tetrahydrothiazole) on gold and platinum electrodes were investigated in a Britton-Robinson buffer (pH 2.77-11.61), acetate buffer (pH 4.31), phosphate buffer solutions (pH 2.11 and 6.38) and methanol or acetonitrile containing various supporting electrolytes. Detection was based on a gold wire electrochemical signal obtained with a supporting electrolyte containing 20% methanol-1.0 mM of phosphate buffer (pH 6.87, potassium dihydrogen phosphate and dipotassium hydrogen phosphate) as the mobile phase. Comparison with results obtained with a commercial amperometric detector shows good agreement. Using the chronoamperometric sensor with the current at a constant potential, and measurements with suitable experimental parameters, a linear concentration from 0.05 to 16 mg L(-1) was found. The limit of quantification (LOQ) of the method for thiazolidine was found to be 1 ng.
關聯:	Molecules, 16(9), pp.7608-7620
顯示於類別:	[食藥產業暨檢測科技系(含五專)] 期刊論文

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