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The permeation of DNA through regenerated cellulose hollow fibers that have a mean pore diameter of 15 nm was investigated in the absence of protein at a transmembrane pressure of 200 mmHg at 25°C. The membranes can reject both double stranded DNA and single stranded DNA to some extent when the DNA concentration of the feed solution is 10-100 ppm. It was found that single stranded DNA can permeate...
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