A method for isolating nucleic acid which comprises: (a) applying a sample comprising cells containing nucleic acid to a filter, whereby the cells are retained as a retentate and contaminants are removed; (b) lysing the retentate from step (a) while the retentate is retained...http://www.google.com.au/patents/US6958392?utm_source=gb-gplus-sharePatent US6958392 - Methods for the isolation of nucleic acids and for quantitative DNA extraction and detection for leukocyte evaluation in blood products
