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DNA sequences used. AuNPs were functionalized with ≈58 ± 5 (10-nm AuNPs) or 12 ± 3 (5-nm AuNPs) strands of DNA Sequence 1, linked via a 5′ hexyl-thiol moiety. Crystals were formed via the addition of linker sequences with a 3′ end complementary to the Au-bound DNA, a single flexor base used to increase DNA strand flexibility, and a 5′ end that is either self-complementary (FCC crystals) or non-self-complementary (BCC crystals).
