公开(公告)号：GB2184238B

公开(公告)日：1989-12-28

申请号：GB8619267

申请日：1986-08-07

Applicant: BIO RAD LABORATORIES

Inventor： SLEETER DONALD D ,  FERNWOOD GEORGE G ,  BURD SAMUEL

IPC: C08F2/10 ,  G01N27/26 ,  G01N27/447

Abstract: A gel used for electrophoresis is cast in a gel enclosure in which the gel will ultimately be used during the electrophoresis, by a novel method and using novel apparatus which provide for quick assembly and avoidance of leaks. The method and apparatus involve a wettable, preferably porous, membrane such as filter paper, which is thoroughly wetted with gel forming solution, then placed over the bottom opening of the gel enclosure and held in place until the gel on the membrane sets. Sealing of any cracks, gaps or irregularities along the rim of the opening is thereby achieved by the capillary action of the gel forming solution. The enclosure itself is then filled with gel forming solution. Once the latter has set, the membrane is removed.

公开(公告)号：GB2143946A

公开(公告)日：1985-02-20

申请号：GB8412734

申请日：1984-05-18

Applicant: BIO RAD LABORATORIES

Inventor： FERNWOOD GEORGE ,  BURD SAMUEL

IPC: G01N33/48 ,  B01D61/18 ,  B01L3/00 ,  C12M1/12 ,  C12M1/20 ,  G01N33/53 ,  G01N33/543 ,  B01D13/00

Abstract: A biochemical test plate assembly is disclosed for use in both filter assays and fluid retention applications. The assembly comprises an upper template with a plurality of discrete apertures, a continuous microporous film underlying the upper template, a gasket underlying the microporous film with apertures matching those of the upper template, a lower template underlying the gasket with a similar array of apertures matching those of both the upper template and the gasket, each aperture terminating at its upper end in a flat boss, and a base plate having a central recess to define an enclosed chamber when the base plate and lower template are in contact, the base plate being designed to form an air-tight seal between it and the lower template.