Microfluidic devices for electrophoretic analysis of materials
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United States of America Patent
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app pub date -
Mar 26, 2007
filing date -
Jul 16, 1996
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Abandoned
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Abstract
The present invention provides a microfluidic system for electrophoretic analysis of materials in the fields of chemistry, biochemistry, biotechnology, molecular biology and numerous other fields. Light absorbance signals are received by a photodetector from periodically spaced regions along a channel in the microfluidic system. The signals received by the photodetector are modulated by the movement of species bands through the channel under electrophoretic forces. By Fourier analysis, the velocity of each species band is determined, and identification of the species is made based on its electrophoretic mobility in the channel.
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