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. Author manuscript; available in PMC: 2014 Jun 16.
Published in final edited form as: J Biomed Mater Res A. 2012 Oct 15;101(5):1328–1335. doi: 10.1002/jbm.a.34449

Figure 1.

Figure 1

Toluidine Blue O carboxylic acid determination assay. POC disks had significantly greater dye binding and carboxylic acid compared to PGS (n=4, mean ± SEM). *statistical significance at P<0.005.