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. Author manuscript; available in PMC: 2013 Jan 1.
Published in final edited form as: Biomaterials. 2011 Oct 2;33(1):29–37. doi: 10.1016/j.biomaterials.2011.09.044

Figure 4.

Figure 4

TNF-α concentration in monocyte culture supernatant on TCPS (Inline graphic)and PEG hydrogel (Inline graphic) substrates at 2, 24, 96 and 168 hours.

§: significantly different compared to TCPS at the same time point, p<0.05;