Increasing sample numbers for screening and diagnostics using circulating cell-free DNA (ccfDNA) as analyte demands an automated solution for ccfDNA extraction. The efficiency of a new, automated, large volume ccfDNA extraction method was evaluated against a manual reference method. The new kit for automated ccfDNA extraction on the QIAsymphony showed a comparable yield of total ccfDNA from healthy donors as well as a comparable recovery of circulating cancer and fetal DNA. In conclusion, a new kit for automated ccfDNA extraction was established successfully.
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