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. Author manuscript; available in PMC: 2012 Mar 1.

Published in final edited form as: Acta Biomater. 2011 Mar 1;7(3):967–974. doi: 10.1016/j.actbio.2010.10.023

Relative viability of L929 fibroblasts in response to extract from (a) freshly prepared (24 h) and (b) aged (7 d) SR610 samples, which contain photoinitiator Irgacure 369 in concentrations between 0.5 % and 3 %. Relative cell viability correlates inversely with the amount of photoinitiator; aged samples exhibit substantially reduced cytotoxic potential.

Relative viability of L929 fibroblasts in response to extract from (a) freshly prepared (24 h) and (b) aged (7 d) SR610 samples, which contain photoinitiator Irgacure 369 in concentrations between 0.5 % and 3 %. Relative cell viability correlates inversely with the amount of photoinitiator; aged samples exhibit substantially reduced cytotoxic potential.