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. Author manuscript; available in PMC: 2009 Mar 29.
Published in final edited form as: J Biomed Mater Res A. 2008 Jun 1;85(3):731–741. doi: 10.1002/jbm.a.31494

Figure 3.

Figure 3

Initial ATR-FTIR spectra for the acrylate double bond (~1630 cm-1) with varying ratios of diacrylate to amine (A) and the normalized double bond concentration calculated as the ratio of the acrylate to carbonyl (~1730 cm-1) peak areas.