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  • Title: A vertical submarine electrophoresis apparatus for polyacrylamide minigels.
    Author: Spiker S.
    Journal: Anal Biochem; 1990 Mar; 185(2):270-3. PubMed ID: 2339782.
    Abstract:
    A vertical submarine electrophoresis apparatus for use with minislab polyacrylamide gels is described. The design allows polyacrylamide gels to be run with the same ease and convenience that agarose gels are run with horizontal submarine apparatuses. The vertical submarine features a single buffer chamber with a restriction between the upper and the lower portions of the chamber. Acrylamide gels, cast between 9 X 10-cm glass slides, are inserted into the restriction and are completely immersed in buffer. Thus, current flows primarily through the gel itself, but some current flows through the buffer in the restriction surrounding the gel. Because water-tight separation of buffer chambers is not necessary, time-consuming and/or expensive procedures such as sealing with agarose or using fragile notched glass plates are eliminated. The apparatus can be set up to run a gel in less than 30 s. It is versatile in that gels of varying thickness (0.5, 0.8, 1.5, and 3 mm) can be run on a single apparatus. The apparatus has been used for sodium dodecyl sulfate gels, low ionic strength native gels for nucleoprotein complexes, and composite acrylamide-agarose gels.
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