Strip holder, chamber, cassette, and 2-D gel electrophoresis...

Details Strip holder, chamber, cassette, and 2-D gel electrophoresis... Strip holder, chamber, cassette, and 2-D gel electrophoresis...

2006-07-18

2006-07-18

Nguyen, Nam (Department: 1753)

Chemistry: electrical and wave energy

Processes and products

Electrophoresis or electro-osmosis processes and electrolyte...

C204S456000, C204S462000, C204S610000, C204S613000, C204S616000, C204S623000, C422S050000

Reexamination Certificate

active

07077940

ABSTRACT:
A strip holder (1) is disclosed for accommodating a gel strip (3) for separating molecules using gel electrophoresis. The strip holder (1) disclosed is distinguished by including a baseplate (4), at least one stop (5), which is offset to a lower level in relation to the carrier surface (2), and at least one sealing surface (6), this stop (5) being implemented to be applied to counter surfaces (7) of an electrophoresis chamber, through which offset to a lower level of the stop (5) the installation depth of the strip holder (1) carrying a gel strip (3) into this electrophoresis chamber is determined and the sealing surface (6) ensuring a sealing installation of the strip holder (1) carrying a gel strip (3) into this electrophoresis chamber. Such a chamber (15) for isoelectric focusing of molecules in gel strips (3) is distinguished by including such a strip holder (1), a frame (16), and a cover (20). Another chamber in the form of a cassette (33), for performing an electrophoresis in the second dimension following the isoelectric focusing, includes two plates (34, 35) and at least one seal (36) which separates these plates and is distinguished by including such a strip holder (1), the strip holder being sealingly inserted into a recess (37) in one of these plates (34). The first dimension of a corresponding 2-D gel electrophoresis method is also disclosed.

REFERENCES:
patent: 4999340 (1991-03-01), Hoffman et al.
patent: 6113766 (2000-09-01), Steiner et al.
patent: 6179980 (2001-01-01), Aksberg
patent: 2001/0037940 (2001-11-01), Shih et al.
patent: 88401924.1 (1988-07-01), None
patent: PCT/US98/07387 (1998-04-01), None
patent: PCT/US01/11599 (2001-04-01), None

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