Abstract
The effect of polydopamine coated titanium such as surface roughness, wettability, cell growth and toxicity, and corrosion resistance. The polydopamine-coated titanium was successfully prepared from dopamine solution and bright polydopamine granules were randomly distributed on titanium surface after coating process. The surface roughness was not significantly decreased in the pure titanium (P>0.05), but significantly decreased (P<0.05) in the spark anodized titanium after the dopamine coating treatment. The contact angle of polydopamine-coated titanium surface was found to be lower than that of the untreated titanium surface. At the potentiodynamic polarization corrosion test, polydopamine-coated titanium has better corrosion-resistance than untreated titanium. The resistance of cytotoxicity is decreased by dopamine coating surface treatment (P<0.05). Findings from this research suggested that polydopamine coating offer a versatile approach for the titanium surface modification.
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Lee, JJ., Park, IS., Shin, GS. et al. Effects of polydopamine coating on the bioactivity of titanium for dental implants. Int. J. Precis. Eng. Manuf. 15, 1647–1655 (2014). https://doi.org/10.1007/s12541-014-0515-6
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DOI: https://doi.org/10.1007/s12541-014-0515-6