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. 2017 Apr 21;3(4):e1602803. doi: 10.1126/sciadv.1602803

Fig. 3. pH-dependent response of the plasmonic chiral metamolecules.

Fig. 3

(A) Sequences of the DNA locks with different TAT/CGC contents. (B) Relative CD dependence on pH for the LH and RH metamolecules with DNA locks with different TAT contents. Solid lines are fitting results using Hill function (see Materials and Methods). (C) pH of semiprotonation (pKaobs) dependence on the TAT content for the LH (open black symbols) and RH (solid gray symbols) metamolecules. (D) Kinetic characterization of the metamolecules switching between the LH state and the relaxed state upon pH changes.