Method of and system for multiplexed analysis by spectral imaging
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United States of America Patent
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Issued Date -
Nov 20, 2003
app pub date -
Oct 23, 2002
filing date -
May 20, 2002
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Abandoned
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Abstract
A method of detecting the presence, absence and/or level of a plurality of analytes-of-interest in a sample, the method comprisES: (a) providing a plurality of objects, each of the plurality of objects having a predetermined, measurable and different imagery characteristic, and further having a predetermined and specific affinity to one analyte of the plurality of analytes-of-interest, each the imagery characteristic corresponding to one the predetermined specific affinity, hence each the imagery characteristic corresponds to one analyte of the plurality of analytes-of interest; (b) providing at least one affinity moiety having a predetermined and specific affinity or predetermined and specific affinities to the plurality of analytes-of-interest, each the affinity moiety having a predetermined, measurable response to light; (c) combining the objects, the at least one affinity moiety and the sample under conditions for affinity binding; and (d) simultaneously determining, for each object of the plurality of objects an imagery characteristic, and for at least a portion of the at least one affinity moiety a response to light, thereby detecting the presence, absence and/or level of the plurality of analytes-of-interest in the sample.
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