FIELD: biotechnology.
SUBSTANCE: sorption composite membrane and a bioseparating device for DNA extraction have been proposed. This membrane includes a porous template and a sorption cover. The porous template is a microfiltration polymer membrane with a porosity of 0.2-0.65 mcm. The template is made of polyamide, polyethersulfone or polyvinylidenfluoride. The sorption cover of the template is made of polyaniline, and the mass fraction of the sorption cover is 10-25%. The biosepararing device is a plastic cartridge inserted in a microtube. The plastic cartridge contains the above-mentioned sorption composite membrane, rolled into a roll with a packing density of 24-48 cm2/cm3.
EFFECT: shortening the duration of DNA extraction at high efficiency.
3 cl, 1 dwg
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