Chemical apparatus and process disinfecting – deodorizing – preser – Analyzer – structured indicator – or manipulative laboratory... – Means for analyzing liquid or solid sample
Patent
1996-03-26
1998-04-28
Sisson, Bradley L.
Chemical apparatus and process disinfecting, deodorizing, preser
Analyzer, structured indicator, or manipulative laboratory...
Means for analyzing liquid or solid sample
435 6, 4352872, 436 94, 204456, 935 85, D24233, G01N 1506, G01N 3300, C12M 100, C12N 1500
Patent
active
057440972
ABSTRACT:
The improved DNA base sequencer comprising an electrophoresis plate having a gel electrolyte layer held between two glass plates, one of which is partially cut away on the top edge in the direction of width, an assay compartment for accommodating said electrophoresis plate in a vertically erect position, a lower reservoir of a buffer solution in which the lower part of the gel electrolyte layer in the electrophoresis plate is to be immersed, an upper reservoir of a buffer solution in which the upper part of said electrolyte layer is to be immersed, photoexciting laser light applying means by which laser light is emitted from a lateral side of the electrophoresis plate in such a way that it crosses the lanes in said plate at right angles, and fluorescence detecting means by which the fluorescence emitted from a DNA fragment illuminated with the laser light is picked up and converted to an electric signal, and the apparatus is characterized in that a sharkstoothcomb made of a water-swellable material is inserted from the top edge of said electrophoresis plate into the space between the two glass plates, either the top or bottom edge of said sharkstoothcomb being provided with a plurality of teeth which are each tapered from the root toward the tip. Using this apparatus, samples can be easily and yet positively injected at specified lane positions on the gel electrolyte layer.
REFERENCES:
patent: 5164065 (1992-11-01), Bettencourt et al.
Machida Hiroaki
Mishina Yoshinori
Miyazaki Yuusuke
Takagi Shin-ichi
Hitachi Electronics Engineering Co. Ltd.
Sisson Bradley L.
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