Enhanced diffraction-based biosensor devices
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United States of America Patent
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Aug 15, 2006
Grant Date -
Jan 1, 2004
app pub date -
Jun 26, 2002
filing date -
Jun 26, 2002
priority date (Note) -
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Abstract
An enhanced diffraction based biosensor system and method are provided for detecting an analyte of interest in a test medium. The system incorporates at least one additional detection tag substance with the analyte of interest, the tag emitting a measurable parameter that is different from optical diffraction characteristics of the analyte. The biosensor may be a 'fluoroptical' system wherein the detection tag is a fluorescence emitting substance, including fluorescent-labeled diffraction enhancing elements. The enhanced diffraction biosensor system may determine the presence of analytes in biological fluids both qualitatively and quantitatively.
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