Optical solid-phase biosensor, with fluorescence labeled polyionic layers

European Patent Office Patent

PATENT NO 0561239
APP PUB NO EP-0561239-A1
SERIAL NO

93103585

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The present invention relates to an optical solid-phase biosensor for the detection of molecules which can be labelled with a fluorescent dye for the recognition of substances in solution for which a biomolecule (receptor) specifically recognising these exists, which is chemically bonded to the uppermost layer of one or more layers of polyions on the surface of the sensor, by measurement of the Förster transfer between a further dye molecule bonded to one of the uppermost layers of the sensor and the said dye molecule.

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