Fluid dispenser for fluid in assay

Details Fluid dispenser for fluid in assay Fluid dispenser for fluid in assay

2006-09-05

2010-12-28

Gordon, Brian R (Department: 1797)

Chemical apparatus and process disinfecting, deodorizing, preser

Control element responsive to a sensed operating condition

C422S063000, C422S067000, C422S068100

Reexamination Certificate

active

07858041

ABSTRACT:
A fluid dispenser for surface plasmon resonance (SPR) assay apparatus includes a first pipette device on a first pipette head, and a second pipette device on a second pipette head. In a standby state, the first pipette head is set in an upper position, a coil spring and a stopper set the second pipette head together with the first pipette head, and locate the second pipette head in a high position. While the first and second pipette devices are in an aspirating position, a driving mechanism sets the first pipette head in a lower position. A blocking mechanism sets the second pipette head in a high position against the coil spring. First, third and fifth pipette tips is positioned lower than second, fourth and sixth pipette tips, to access a well. The first to sixth pipette tips, while in an assay position, are equally lowered.

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