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. Author manuscript; available in PMC: 2010 Jun 1.
Published in final edited form as: Biomaterials. 2009 Mar 14;30(17):3068–3074. doi: 10.1016/j.biomaterials.2009.02.021

Fig. 3.

Fig. 3

Cell densities (in cells/cm2) at 24 and 48 h for Balb/3T3 mouse fibroblasts cultured in the presence of two oxygen-sensing microparticle densities representative of particle:cell ratios useful for probing cell microenvironment in two- and three-dimensional studies. ANOVA analysis indicated that there is no statistical difference between treatments at each time point, signifying that the microparticles are non-cytotoxic to the cells under standard in vitro conditions. Data shown as mean ± standard error for six trials.