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	A square wave based electrical method for human skin moisture assessment
	Zhou, Guolin ; Dong, Yonggui
	2010-05-10 ; 2010-05-10
会议名称	RARE METAL MATERIALS AND ENGINEERING ; 6th East Asian Conference on Chemical Sensors (EACCS-6) ; Guillin, PEOPLES R CHINA ; Web of Science
关键词	skin moisture content square wave skin impedance single frequency Materials Science, Multidisciplinary Metallurgy & Metallurgical Engineering
中文摘要	The moisture content measurement of human skin is a significant way to assess skin conditions and diagnose diseases that influence skin function. The necessity of evaluating the efficacy of a cosmetic product makes it important to improve the accuracy and reproducibility of the measurement. A pair of interdigitated gold electrodes was fabricated on the printed circuit board (PCB) substrate and utilized directly in contact with the measured skin. A square-wave voltage at a single frequency was applied to the electrodes and the corresponding response current was measured to get the equivalent impedance of human skin. Since it's easy to generate and control a square-wave signal by digital electric circuits, this method is suitable to be used in the portable application. The experimental results indicate that good repeatability and satisfied accuracy can be obtained by this method.
会议录出版者	NORTHWEST INST NONFERROUS METAL RESEARCH ; SHAANXI ; C/O RARE METAL MATERIAL ENGINEERING PRESS, PO BOX 51, XIAN, SHAANXI 710016, PEOPLES R CHINA
语种	英语 ; 英语
内容类型	会议论文
源URL	[http://hdl.handle.net/123456789/19512]
专题	清华大学
推荐引用方式 GB/T 7714	Zhou, Guolin,Dong, Yonggui. A square wave based electrical method for human skin moisture assessment[C]. 见:RARE METAL MATERIALS AND ENGINEERING, 6th East Asian Conference on Chemical Sensors (EACCS-6), Guillin, PEOPLES R CHINA, Web of Science.

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