Positive Pressure Blotting Apparatus with Hydropholic Filter Means.
Patent, Filed 4 May 90, patented 13 Aug 91,
DEPARTMENT OF THE NAVY WASHINGTON DC
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A positive pressure blotting apparatus having a bottom section, at least one middle section and a top section. A first volume of space is encompassed between the top section and the middle section. A positive pressure is maintained in the first volume of the apparatus. A second volume of space is encompassed between the middle section and the bottom section to capture eluate. An alignment means is used to align the top section to the middle section. A means is provided to apply positive pressure in the first volume. A hydropholic filter means for binding biological materials is positioned on or in the middle section, and a means is provided to secure the top, middle and bottom section together to form a pressure blotting apparatus.