Fluorescent assay and sensor therefor
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United States of America Patent
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Sep 6, 1994
Grant Date -
N/A
app pub date -
May 21, 1991
filing date -
Nov 29, 1988
priority date (Note) -
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Abstract
The invention relates to a device for use in optical methods of assay. The device comprises an optical structure comprising a dielectric substrate (2) and a thin film waveguide (5), between which is interposed a buffer layer (4). The waveguide carries a layer (10) of reagent suitable for a desired assay. The invention also relates to methods of using the device in an assay.
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