Devices and methods for detection of an analyte based upon light interference
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United States of America Patent
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Jan 9, 1996
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N/A
app pub date -
Jun 10, 1993
filing date -
Feb 25, 1986
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Abstract
Device for detecting the presence or amount of an analyte of interest, having a substrate possessing an optically active surface which exhibits a first color in response to light impinging thereon, and exhibits a second color comprising a combination of wavelengths of light different from the first color or comprising an intensity of at least one wavelength of light different from the first color, in response to the light when the analyte is present on the surface of any amount selected from 0.1 nM, 0.1 ng/ml, 50 fg, and 2.times.10.sup.3 organisms comprising the analyte.
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