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Concentration of remnant amounts of genomic DNA in the extracellular matrix scaffolds of HFFs (i.e., nonirradiated or γ-irradiated). The difference in the amount of genomic DNA for the control group is due to the difference in cell numbers prior to the decellularization process. *, p < .05. Abbreviations: HFF, human foreskin fibroblast; SDS, sodium dodecyl sulfate.
