Gel slab casting

Plastic and nonmetallic article shaping or treating: processes – With step of making mold or mold shaping – per se

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Details

264259, 264261, 264299, 264334, B29C 102

Patent

active

042462223

ABSTRACT:
A method and apparatus for casting gel slabs useful in electrophoretic procedures is provided. Glass plates are horizontally positioned in parallel a capillary action-inducing distance apart to form an unsealed space. Gel-forming liquid, e.g. polyacrylamide is introduced between the plates and fills the space by capillary action. The surface tension of the gel-forming liquid is utilized to constrain the liquid between the plates at the unsealed or open edges. Once the desired sized space is filled the gel is formed by polymerization and/or cooling. Where an open faced gel slab is desired one of the plates is separated from the gel layer.

REFERENCES:
patent: 3964992 (1979-06-01), Krotz
patent: 3980540 (1976-09-01), Haefer
patent: 3988320 (1976-10-01), Krotz
patent: 4151065 (1979-04-01), Kaplan

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