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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 1.

Figure 1

(A) Light-controlled formation of DNA duplex based on azobenzene isomerization in the hydrogel. (B) Reversible volume transition of the DNA-crosslinked hydrogel regulated by UV and visible light.