Alendronate Functionalized Mesoporous Bioactive Glass Nanospheres
AbstractIn this work we synthesized mesoporous bioactive glass nanospheres (nMBG) with the aim to utilize them as substrates for loading one of the most potent amino-bisphosphonates, alendronate (AL). The results of the chemical and structural characterization show that the nMBG display a relatively high surface area (528 m2/g) and a mean pore volume of 0.63 cm3/g, both of which decrease on increasing alendronate content. It is possible to modulate the amount of AL loaded into the nanospheres up to a maximum value of about 17 wt %. In vitro tests were performed using a human osteosarcoma cell line (MG63) and a murine monocyte/macrophage cell line as osteoclast model (RAW 264.7). The results indicate that even the lower concentration of alendronate provokes decreased tumor cell viability, and that osteoclast activity exhibits an alendronate dose-dependent inhibition. The data suggest that nMBG can act as a suitable support for the local delivery of alendronate, and that the antiresorptive and antitumor properties of the functionalized mesoporous nanospheres can be modulated by varying the amount of alendronate loading. View Full-Text
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Boanini, E.; Panseri, S.; Arroyo, F.; Montesi, M.; Rubini, K.; Tampieri, A.; Covarrubias, C.; Bigi, A. Alendronate Functionalized Mesoporous Bioactive Glass Nanospheres. Materials 2016, 9, 135.
Boanini E, Panseri S, Arroyo F, Montesi M, Rubini K, Tampieri A, Covarrubias C, Bigi A. Alendronate Functionalized Mesoporous Bioactive Glass Nanospheres. Materials. 2016; 9(3):135.Chicago/Turabian Style
Boanini, Elisa; Panseri, Silvia; Arroyo, Fabiola; Montesi, Monica; Rubini, Katia; Tampieri, Anna; Covarrubias, Cristian; Bigi, Adriana. 2016. "Alendronate Functionalized Mesoporous Bioactive Glass Nanospheres." Materials 9, no. 3: 135.
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