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. Author manuscript; available in PMC: 2013 Jul 25.
Published in final edited form as: J Am Chem Soc. 2012 Jul 9;134(29):12302–12307. doi: 10.1021/ja305109n

Figure 3.

Figure 3

(A) UV light induced volume increase of the dynamic hydrogel containing complementary DNAs with azobenzene modification (black); (B) Volume changes of the dynamic hydrogel upon visible light irradiation (black) and in dark with no light (green) following UV light irradiation. Blue and red curves are for control experiments: Blue curve: control hydrogel (C1) containing complementary DNAs without azobenzene modification; Red curve: control hydrogel (C2) containing noncomplementary DNAs with azobenzene modification.