Low temperature synthesis of hydroxyapatite nano-rods by a modified sol–gel technique
作者： Sushma Jadalannagari , Sandeep More , Meenal Kowshik , Sutapa Roy Ramanan
DOI: 10.1016/J.MSEC.2011.07.001
关键词: Pellets 、 Materials science 、 Analytical chemistry 、 Transmission electron microscopy 、 Fourier transform infrared spectroscopy 、 Sol-gel 、 Scanning electron microscope 、 Microstructure 、 Chemical engineering 、 Biocompatibility 、 Simulated body fluid
摘要: Abstract Hydroxyapatite (HAp) nano-rods were successfully synthesized by a modified sol–gel method using solution of CaCl2·2H2O in water, along with H3PO4 triethylamine and NH4OH as starting materials. The Ca/P molar ratio was maintained at 1.67. sol obtained dried an oven for 2 days 100 °C after being dialyzed 12 h. Pellets made from the crystalline powders immersed simulated body fluid (SBF) to check its biocompatibility 15, 45 180 days immersion. HAp pellets characterized X-Ray Diffraction crystallography (XRD), Fourier transform Infrared spectroscopy (FTIR), scanning electron microscopy (SEM), Transmission (TEM). had average diameter 25 nm length 110–120 nm. Immersion SBF led formation highly porous interconnecting layer on surface. porosity increased increase immersion time.
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