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TRAP staining of PIB nanogels alone (A–C) and B-MBG/nanogels (D–F) at 2, 4, and 8 weeks post-implantation (bar =100 μm).
Notes: Arrow depicts TRAP staining in multinucleated cells bordering either the scaffold surface or peripheral bone surface.
Abbreviations: TRAP, tartrate-resistant acid phosphatase; PIB, p(N-isopropylacrylamide-co-butyl methylacrylate); B-MBG, boron-containing mesoporous bioactive glass.
