Facile Synthesis and Characterization of Ibuprofen-mesoporous Hydroxyapatite Nanohybrid as a Sustained Drug Delivery System
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Abstract:
The present study deals with the fabrication of ibuprofen-mesoporous hydroxyapatite (IBU-MHA) particles via the incorporation of ibuprofen (IBU)—as a nonsteroidal anti-inflammatory drug—into mesoporous hydroxyapatite nanoparticles (MHANPs) using an impregnation process, as a novel drug delivery device. MHANPs were synthesized by a self-assembly process using cetyltrimethylammonium bromide (CTAB) as a cationic surfactant and 1-dodecanethiol as a pore expander under basic condition. The focus of the present study was to optimize the incorporation of IBU molecules into MHANPs under different loading conditions. The synthesized MHANPs and IBU-MHA particles were confirmed by X-ray diffraction (XRD), fourier-transform infrared spectroscopy (FTIR), brunauer–emmett–teller (BET), transmission electron microscopy (TEM), and thermal analysis (TGA). Drug loading (DL) efficiency of IBU-MHA particles was determined by ultraviolet–visible (UV-Vis) spectroscopy, and indicated that the optimized IBU-MHA particles with high DL (34.5%) can be obtained at an IBU/ MHANPs ratio of 35/50 (mg/mg), impregnation period of 24 h, and temperature of 40 °C using ethanol as solvent. In-vitro drug release test was carried out to prove the efficiency of IBU-MHA particles as a sustained drug delivery system. A more sustained and controlled drug release was observed for this particles, indicating that it may be have good potential as drug reservoirs for local drug release.
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Journal title
volume 18 issue 3
pages 1196- 1211
publication date 2019-07-01
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