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Safranin O of PIB nanogels alone (A–C) and B-MBG/nanogels (D–F) at 2, 4, and 8 weeks post-implantation (bar =100 μm).
Notes: Black star, new bone; red arrow, residual material. (Safranin O: Sigma S2255; Sigma-Aldrich Co., St Louis, MO, USA).
Abbreviations: PIB, p(N-isopropylacrylamide-co-butyl methylacrylate); B-MBG, boron-containing mesoporous bioactive glass.
