System and methods for performing rotor assays

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United States of America Patent

PATENT NO 6299839
SERIAL NO

08522434

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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An analytical system comprises a frame and movable carriage. An analytical rotor is mounted on the carriage and can be translated among a sample dispensing station, a fluid dispensing station, and a label detection zone. In order to perform assays, the analyzer system requires only the introduction of the analytical rotor, sample, and a volume of diluent solution. Sample within the analyzer is contained at all times within either a sample receptacle or the rotor. The method allows for the sequential addition of sample and diluent in order to perform multiple assay steps and is particularly suitable for performing heterogeneous immunoassays. The use of fluorescent label in the system allows multiple analyte detection reactions to be performed from a single sample applied to a single rotor.

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Patent Owner(s)

Patent OwnerAddress
FIRST MEDICAL INC530 LOGUE AVENUE MOUNTAIN VIEW CA 94043

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ellsworth, Stoughton L Palo Alto, CA 4 90
Ensler, Lawrence M Los Altos, CA 6 139
Gustafson, Eric K Palo Alto, CA 11 669
Karunaratne, Arjuna R Fremont, CA 5 210

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