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. Author manuscript; available in PMC: 2014 Mar 31.
Published in final edited form as: Acta Biomater. 2012 Sep 25;9(3):5438–5446. doi: 10.1016/j.actbio.2012.09.019

Fig. 2.

Fig. 2

Optical micrographs of microgels after swelling in deionized water: (a) HG-0, (b) HG-SMA50, (c) HG-SMA100 and (d) HG-SMA200.