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. Author manuscript; available in PMC: 2016 Nov 1.
Published in final edited form as: Acta Biomater. 2016 Mar 7;36:310–322. doi: 10.1016/j.actbio.2016.03.010

Figure 2. Characterization of the PEM coating on TA6V and PEEK implants and in vitro film bioactivity.

Figure 2

(A-A’) Surface of the bare and PEM-coated TA6V implant imaged by SEM. (B) SEM image of the film-coated PEEK implant that was deliberately scratched in order to visualize the film and the underlying PEEK surface. (C) In vitro bioactivity assay of BMP-2-loaded PEM films coating TA6V and PEEK surfaces as assessed by ALP activity. The ALP test was performed on implant surfaces coated with either freshly prepared film or dry BMP-2-loaded film stored for one week on the shelf in comparison to a control implant (TA6V or PEEK with the film coating but without BMP-2). 3 samples were used for each condition and controls.