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. Author manuscript; available in PMC: 2008 Jul 1.
Published in final edited form as: Acta Biomater. 2007 Feb 1;3(4):449–455. doi: 10.1016/j.actbio.2006.12.001

Fig. 1.

Fig. 1

Thiol monomers used to make the thiol-acrylate oligomers with hydrolyzable esters: 1, trimethylolpropane tris(2-mercaptoacetate); 2, trimethylolpropane tris(3-mercaptopropionate); 3, 2,2′-(ethylenedioxy) diethanethiol; and 4, pentaerythritol tetrakis(3-mercaptopropionate).