IN-VITRO IONTOPHORETIC ABSORPTION OF ANGIOTENSIN-II AND ITS ANTAGONISTS BY PORCINE SKIN

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题名:	IN-VITRO IONTOPHORETIC ABSORPTION OF ANGIOTENSIN-II AND ITS ANTAGONISTS BY PORCINE SKIN
作者:	LIN,RY;CHEN,WY;JIANG,TS
贡献者:	化學工程與材料工程學系
关键词:	LIDOCAINE IONTOPHORESIS;ARGININE-VASOPRESSIN;DELIVERY;TRANSPORT;INVITRO;DRUGS;PERMEABILITY;MEMBRANES;MODEL;RAT
日期:	1995
上传时间:	2010-06-29 17:33:04 (UTC+8)
出版者:	中央大學
摘要:	Angiotensin II and its antagonists were selected for in vitro absorption studies of iontophoresis. The investigated factors include the solution effects and the electricity effects. In the solution, drug concentration, buffer concentration, and pH values of the solution were studied. Current density, waveform, duty cycle and frequency of the electricity effects were also explored. The hydrophobicity of angiotensin II and its antagonists were considered in the comparison of the absorption of porcine skin at different pH value of buffer solution. From the experimental results, the pH value of buffer solution and the current density play a profound role of the absorption of the porcine skin during iontophoresis. The hydrophobic angiotensin II antagonist has higher absorption than the hydrophilic peptide, and the phenomenon is more pronounced in lower pH value. The porcine skin acted as an electric capacitor and an opposite voltage was observed when the electrical field was applied.
關聯:	JOURNAL OF THE CHINESE INSTITUTE OF CHEMICAL ENGINEERS
显示于类别:	[化學工程與材料工程研究所] 期刊論文

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