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. 2016 Oct 20;9(10):854. doi: 10.3390/ma9100854

Figure 3.

Figure 3

SEM images of the internal fracture surface of the p(NIPAm-co-PEGDA) hydrogels: (a) 1:0.25PEG(508); (b) 1:0.5PEG(508); (c) 1:0.25PEG(6000); and (d) 1:0.25PEG(20,000) (scale bar = 10 µm).