bis-2-chloroethyl sulfide- ( bces- ) induced dna cross-links in confluent , primary cultures of newborn rat cutaneous epidermal keratinocytes were detected using an assay that includes in situ unwinding of the dna followed by separation of single-stranded dna and double-stranded dna ( dsdna ) with hydroxylapatite .
C0012935
single-stranded dna
C0012854
double-stranded dna