the electron spin resonance ( esr ) spectra of ( da-dt , dl ) n duplexes directly formed by polymerization with pol i are compared with the esr spectra of ( da ) n ( dt , dl ) n duplexes , which are obtained after annealing of nitroxide-labeled single strands with complementary unlabeled single strands .
C0314672
polymerization
C1335439
pol i