Synthesis of bioactive titaniananofibrous structures via oxidation

Tan, A.W. and Pingguan-Murphy, B. and Ahmad, R. and Akbar, S. (2013) Synthesis of bioactive titaniananofibrous structures via oxidation. In: 1st International Conference on the Science & Engineering of Materials , 13-14 November 2013, Sunway Putra Hotel, Kuala Lumpur, Malaysia.

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Titania (Ti02) nanofibers with controllable diameters have been successfully fabricated in situ on a Ti-6AI-4V substrate by a thermal oxidation process. Their morphology, elemental composition, crystal structure, surface roughness and surface wettability were characterized by field-emission scanning electron microscope (FESEM), energy-dispersive X-ray spectroscopy (EDX), X-ray diffractometer (XRD), atomic force microscope (AFM) and contact angle goniometer. The results showed that the diameter of the resulting Ti02nanofibers can be controlled within the range of 45-65 nm by changing the flow rate of Argon gas.The results of material characterization studies revealed that Ti02nanofibers with smaller diameter possessed greater Surface roughness and hydrophilicity, as well as the degree of crystallinity. Therefore, we envisage that such surfaces can be ideally used as biomedical implants for size-dependent cellular response.

Item Type: Conference or Workshop Item (Paper)
Uncontrolled Keywords: Atomic force, Bioactive, titania (Ti02) nanofibers, biomedical, gas, microscope
Subjects: Q Science > Q Science (General)
T Technology > TA Engineering (General). Civil engineering (General)
Divisions: Faculty of Engineering
Depositing User: Mr. Mohd Safri
Date Deposited: 26 Feb 2016 03:29
Last Modified: 26 Feb 2016 03:29

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