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. Author manuscript; available in PMC: 2021 Oct 19.
Published in final edited form as: ACS Appl Bio Mater. 2020 Sep 17;3(10):6944–6958. doi: 10.1021/acsabm.0c00823

Figure 3. Photodegradation of NB and CMR hydrogels.

Figure 3.

(A) Photolabile NB or CMR hydrogels were irradiated with either 365 nm (I0 = 4 mW cm−2) or 400 – 500 nm (I0 = 6.7 mW cm−2) light and their photodegradation rate was determined using linear regression of normalized storage modulus data. (B) The effective first-order rate constants were determined by fits of these data for each hydrogel formulation-light pairing, here normalizing each keff by the intensity of the applied light for ease of comparison. The data shown illustrate the mean (n = 3) with error bars representing standard error. * signifies p < 0.05, ** signifies p < 0.01, and *** signifies p < 0.001 as determined using an ANOVA with a Tukey’s post-hoc means comparison test.