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Photographs showing a water droplet on ultra-high molecular weight polyethylene (Fig. 7-A) and BioPoly material (Fig. 7-B). (Reprinted, with permission from: James S, Oldinski R, Zhang M, Schwartz H. UHMWPE/hyaluronan microcomposite biomaterials. In: UHMWPE biomaterials handbook. 2nd ed. New York: Academic Press; 2009. http://www.elsevier.com.)
