Photosensitizing Dye: Its Voltammetric Behavior and Determination in Cosmetics

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標題:	Photosensitizing Dye: Its Voltammetric Behavior and Determination in Cosmetics
作者:	Wang, Lai-Hao Chen, Shih-Ting
貢獻者:	醫藥化學系
關鍵字:	Nanoparticle metal oxide-modified carbon-paste electrodes electrochemical impedance spectroscopy photosensitizing dye cosmetics
日期:	2015
上傳時間:	2016-04-19 19:00:57 (UTC+8)
出版者:	Bentham Science Publ Ltd
摘要:	We developed a method that uses electrochemical impedance spectroscopy (EIS) to choose an electrode to determine photosensitizing dye No. 201 (quaternium-73), a thiazolium derivative, in cosmetics. The method is based on nanoparticle metal oxide (tin, cerium, cobalt, iron, and nickel)-modified carbon paste electrodes. Using differential pulse voltammetry (DPV), we found that the electrocatalytic property of tin oxide was better than that of the other metal oxides tested. When the proposed method was used to determine photosensitizing dye No. 201 in commercial cosmetics, the results were were comparable to those obtained using high-performance liquid chromatography with ultraviolet detection.
關聯:	Current Analytical Chemistry, v.11 n.1, pp.22-28
显示于类别:	[食藥產業暨檢測科技系(含五專)] 期刊論文

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