Method and apparatus for correcting illumination non-uniformitie

Details Method and apparatus for correcting illumination non-uniformitie Method and apparatus for correcting illumination non-uniformitie

1997-03-10

1999-09-14

Beisner, William H.

Chemistry: electrical and wave energy

Processes and products

Electrophoresis or electro-osmosis processes and electrolyte...

204466, 204612, 204616, 356317, 356344, 356417, 2504581, 2504591, 2504611, G01N 2726, G01N 27447, G01N 2125, G01J 758

Patent

active

059518383

ABSTRACT:
A method and apparatus for achieving uniform illumination in an electrophoresis apparatus is provided. Uniform illumination allows quantitative measurements of an electrophoresis gel to be made, thus increasing the information which can be obtained from an electrophoretic analysis. Uniform illumination is achieved by scanning the light source, preferably in a trans-illumination mode, across the sample gel in a direction perpendicular to the axis of the source. The light source is comprised of one or more light bulbs placed in a light tray. Variations in light intensity near the source end portions may be minimized using a variety of techniques including extended light bulbs, filters, reflectors, diffusers, or supplemental sources.

REFERENCES:
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patent: 4832815 (1989-05-01), Kambara et al.
patent: 4874492 (1989-10-01), Mackay
patent: 5104512 (1992-04-01), Gombocz et al.
patent: 5324401 (1994-06-01), Yueng et al.
patent: 5459325 (1995-10-01), Hueton et al.

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