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. Author manuscript; available in PMC: 2019 Oct 1.
Published in final edited form as: J Biomed Mater Res A. 2018 Aug 7;106(10):2744–2752. doi: 10.1002/jbm.a.36504

Fig.3. Quantification of TNFα secretion in the macrophage/MSC co-culture system exposed to sterile or contaminated polyethylene particles.

Fig.3

The supernatants of the co-culture system at 24 (a) and 72 (b) hrs were collected, and the secretion of TNFα was quantified by ELISA. ### p<0.005 compared to the corresponding untreated control.