Chemistry: analytical and immunological testing – Automated chemical analysis – Utilizing a centrifuge or compartmented rotor
Reexamination Certificate
2007-01-02
2007-01-02
Alexander, Lyle A. (Department: 1743)
Chemistry: analytical and immunological testing
Automated chemical analysis
Utilizing a centrifuge or compartmented rotor
C436S043000, C436S049000, C436S063000, C436S177000, C422S062000, C422S064000, C422S067000, C422S068100, C422S072000
Reexamination Certificate
active
10058462
ABSTRACT:
The automated sample-on-solid-support processing system of the present invention comprises a computer-based control unit and a main unit comprising a variable-speed centrifuge having an openable vacuum-tight chamber and a centrifuge rotor with a plurality of multi-sample holding positions, a liquid solvent supply subsystem which feeds solvent to a plurality of dispensing stations in the centrifuge chamber, a temperature control subsystem, and a vacuum subsystem. A sample/collection container includes a plurality of wells, each for separating a sample from its solid support when solvent is dispensed into the wells and the centrifuge is activated at a low speed. Operation of the centrifuge at high speed concentrates the cleaved sample in collection wells. In the preferred embodiment bar code reader or other identification means, preferably a non-contact reader, can be included in the chamber to allow sample carriers to be identified.
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Lillig John
Neeper Rob
Alexander Lyle A.
Musick Eleanor M.
Nexus Biosystems, Inc.
Procopio Cory Hargreaves & Savitch LLP
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