In-vitro biocompatibility and corrosion resistance of strontium incorporated TiO2 nanotube arrays for orthopaedic applications

Journal of Biomaterials Applications
K IndiraN Rajendran

Abstract

This article investigates the in-vitro biocompatibility and corrosion behaviour of strontium ion incorporated TiO2 nanotube arrays formed by anodization method for orthopaedic applications. The morphological studies were carried out using field emission scanning electron microscopy, atomic force microscopy, attenuated total reflectance fourier transform infrared spectroscopy, X-ray photoelectron spectroscopy and thin film X-ray diffraction techniques. The morphological investigation indicated that the length and the average diameter of nanotube were 2.1 ± 0.3 µm and 110 ± 4 nm, respectively. The wettability measurements showed that the TiO2 nanotube arrays have super wettability, as well as, strontium ion incorporated TiO2 nanotube arrays exhibited hydrophilic behaviour. Excellent in-vitro bioactivity was observed for TiO2 nanotube arrays with strontium ions. Electrochemical studies in Hank's solution showed that the TiO2 nanotube arrays with strontium ions have enhanced corrosion resistance.

References

Aug 10, 2005·Journal of Biomedical Materials Research. Part a·J Coreño, O Coreño
Aug 15, 2006·Dental Materials : Official Publication of the Academy of Dental Materials·L Le GuéhennecY Amouriq
May 17, 2007·Nano Letters·Jung ParkPatrik Schmuki
Mar 12, 2011·Angewandte Chemie·Poulomi RoyPatrik Schmuki
Jul 6, 2011·Nanotechnology·Dong Hwan ShinCraig Friedrich

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BETA
scanning
X-ray
atomic force microscopy
AFM

Software Mentioned

NOVA Image Analysis
C view

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