supported by the National Natural Science Foundation of China(Nos.50425309,0711351501,50733033);National Fund for Distinguished Young Scholar(No.50425309).
Bioactive SiO2-CaO-P2O5 gel (BAG) nanoparticles with 40 nm in diameter were synthesized by the sol-gel route and further modified via the ring-opening polymerization of lactide on the surface of particles. Surface mod...