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Adapting Clinical Chemistry Plasma as a Source for Liquid Biopsies

2025-08-14 genetic and genomic medicine Title + abstract only
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BACKGROUNDCirculating cell-free DNA (cfDNA) has become a valuable analyte for molecular testing, but requires specialized collection tubes or immediate processing. We investigated the feasibility of using residual plasma from heparin separators, which are routinely used in clinical chemistry, as an accessible and underutilized source for cfDNA biobanking and testing. METHODSWe analyzed matched plasma samples from healthy volunteers in two experiments: an immediate-processing tube comparison acr...

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