Cartridge, apparatus, and method for preparing purified nucleic acids from a cell sample
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United States of America Patent
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Oct 4, 1994
Grant Date -
N/A
app pub date -
Feb 23, 1993
filing date -
Jul 9, 1991
priority date (Note) -
Expired
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Abstract
A cartridge for preparing nucleic acids such as DNA from cells comprises two end rings (14) enabling it to be mounted in sealed manner in a tube (10), two dialysis membranes (16) delimiting a dialysis enclosure (18) between them, a filter (20) for retaining cell nuclei dividing said enclosure (18) into two separate compartments, and means (24) for feeding substances into one of the compartments, means (26) for extracting substances from the other compartments, and means (28, 30) for feeding a dialysis liquid into the tube outside the cartridge, or for causing it to flow therethrough. The invention also provides apparatus, and a method using said cartridge.
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