Compositions and methods for analyte detection
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United States of America Patent
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Nov 26, 2002
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N/A
app pub date -
Jul 9, 1999
filing date -
Jul 31, 1998
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Abstract
Provided are a variety of chemically sensitive, stable (insoluble over a specified period of time), nontoxic, and non-antigenic hydrogel particles which undergo a measurable change in at least one electrochemical or optical property as a function of interaction with one or more substance(s) to be detected. Also provided are methods of using these hydrogel particles to detect one or more selected analytes, and in certain aspects detect one or more analytes in vivo. Further provided are devices used to detect and measure the optical or electrochemical changes.
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