T-load microchannel array and fabrication method

Details T-load microchannel array and fabrication method T-load microchannel array and fabrication method

1998-10-26

2000-08-29

Kashnikow, Andres

Chemistry: electrical and wave energy

Apparatus

Electrolytic

204269, 205665, 239589, C25B 900

Patent

active

061103322

ABSTRACT:
A three-dimensional (3-D) T-load for planar microchannel arrays for electrophoresis, for example, which enables sample injection directly onto a plane perpendicular to the microchannels' axis, at their ends. This is accomplished by forming input wells that extend beyond the ends of the microchannel thereby eliminating the right angle connection from the input well into the end of the microchannel. In addition, the T-load input well eases the placement of electrode in or adjacent the well and thus enables very efficient reproducible electrokinetic (ek) injection. The T-load input well eliminates the prior input well/microchannel alignment concerns, since the input well can be drilled after the top and bottom microchannel plates are bonded together. The T-load input well may extend partially or entirely through the bottom microchannel plate which enables more efficient gel and solution flushing, and also enables placement of multiple electrodes to assist in the ek sample injection.

REFERENCES:
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patent: 5746901 (1998-05-01), Balch et al.
patent: 5858188 (1999-01-01), Soane et al.
patent: 5871158 (1999-02-01), Frazier
patent: 5877580 (1999-03-01), Swierkowski
patent: 5900130 (1999-05-01), Benvegnu et al.
patent: 5980704 (1999-11-01), Cherukuri et al.

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