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. Author manuscript; available in PMC: 2013 Aug 1.
Published in final edited form as: Adv Mater. 2011 Mar 10;23(12):H41–H56. doi: 10.1002/adma.201003963

Figure 8. Structures of a range of photopolymerizable HA macromers.

Figure 8

HA macromers can be synthesized to include reactive methacrylate groups either directly (MeHA) or with a hydrolytically degradable spacer of lactic acid (MeLAHA) or caprolactone (MeCLHA). When photocrosslinked, these macromers form hydrogels with varied degradation behavior (measured with release of uronic acid), with degradation rates of MeLAHA > MeCLHA > MeHA.