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Ethidium bromide agarose gel electrophoresis of DNA extracted from fresh aortic root tissues (F) and tissues collected after 8 days (D8) and 16 days (D16) of perfusion decellularization. Samples were also collected before the nuclease treatment step from the 16-day perfusion groups (D16). S, DNA standards consisting of whole genomic DNA (*) and DNA ladder (#). Red fluorescent bands represent double-stranded DNA. Color images available online at www.liebertpub.com/tec
