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Surface modification and characterization of Ti6Al4V plates. (a) Schematic of sequential DopaMA and PEGDMA-Oligo hydrogel coatings on Ti6Al4V substrates. (b) Water contact angle (n = 6) of Ti6Al4V and Ti6Al4V-DopaMA. Error bars represent standard deviations, **** p ≤ 0.0001. (c) XPS scans on the Ti6Al4V surfaces before and after DopaMA immobilization. (d) Dark field optical micrographs of PEGDMA-Oligo coating on Ti6Al4V-DopaMA vs Ti6Al4V IM pins (1 mm in diameter). Magnification: 50×.
