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Please use this identifier to cite or link to this item: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/33571

Title: The frequency response and optical detection characteristic of series photodetector frequency circuit system matched with PDMS
Authors: Yuh Ming Hsu;Chung Cheng Chang
Contributors: 國立臺灣海洋大學:電機工程學系
Keywords: Series photodetector frequency circuit system, laser, polydimethylsiloxance (PDMS), fluorescence dye concentration, microfluidic chip
Date: 2011-10
Issue Date: 2013-04-08T05:47:39Z
Publisher: Lasers in Engineering
Abstract: Abtract:This study elucidates the frequency response and optical detection characteristics of series photodetector frequency circuit system matched with polydimethylsiloxance (PDMS) for detection of fluorescence dye concentration. While the same fluorescence intensity irradiated on the photodetector, the series photodetector frequency circuit system with higher responsivity of photodetector had higher frequency sensitivity. In accordance with Cy5 fluorescence dye concentrations and frequency responses, the detection limit of fluorescence dye concentration 2 pmol/l can be measured by 100 MHz sensor system matched with PDMS. The results also showed that the frequency shift of the sensor system matched with photodetector PT was linearly related to the logarithm of fluorescence dye concentration from 2 to 20 μmol/l. Moreover, the frequency sensor system had a potential application in the detection of deoxyribonucleic acid (DNA) hybridization with PDMS microfluidic chip.
URI: http://ntour.ntou.edu.tw/handle/987654321/33571
Appears in Collections:[電機工程學系] 期刊論文

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