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J Am Chem Soc. 2006 Jun 28;128(25):8116-7.

Confinement and controlled release of bisphosphonates on ordered mesoporous silica-based materials.

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  • 1Departamento de Química Inorganica y Bioinorganica, Facultad de Farmacia, Universidad Complutense de Madrid, 28040 Madrid, Spain.


Bisphosphonates have been confined in siliceous ordered mesoporous materials, and the drug release rate of these systems has been investigated. The bisphosphonate adsorption rate has been increased from 1% in oral administration to around 40% locally delivered. Drug dosage can be modulated through amine modification of the material surface, leading to a bisphosphonate adsorption in the ordered mesoporous matrices 3 times larger than that for unmodified materials. The use of these drug delivery systems opens new fields with new possibilities for tissue engineering.

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