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(A) PNA assemblies undergoing stimuli-responsive disassembly in the presence of a complementary sequence. CD spectra of (B) PNA-B-A, (C) PNA-N-A, (D) PNA-10-A, and (E) PNA-8-A in 1× PBS at 100 μM to demonstrate the change in maxima and minima on the addition of DNA.
