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Concentration of eluted ccf-DNA from blood and plasma samples. Bar graph of the ccf-DNA concentrations in the final eluted samples that were obtained directly from blood using the DEP process (red bars), and of the final eluted samples from plasma using the DEP (blue bars). The DNA concentrations were determined by fluorescence analysis using Quant-iT PicoGreen (Invitrogen) assay for dsDNA and normalized to the original sample volume.
