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. Author manuscript; available in PMC: 2017 Feb 4.
Published in final edited form as: Adv Healthc Mater. 2015 Dec 7;5(3):305–310. doi: 10.1002/adhm.201500778

Figure 2.

Figure 2

Release profiles of siRNA from 15% (w/w) hydrogels in the absence and presence of UV light exposure. (A) Non-photolabile (the 2 curves overlap), (B) photolabile hydrogels exposed to UV light at an intensity of 10 mW/cm2 for 20 min (“UV 10-20”) at each time point and (C) photolabile hydrogels exposed to the same UV light intensity of 10 mW/cm2 for 60 min (“UV 10-60”) at each time point. UV light exposure triggered the release of siRNA from photolabile hydrogels due to the photolytic degradation of the crosslinked networks, which did not occur in non-photolabile hydrogels.