Nano Archive

Hybrid coatings of poly(L-lysine) and apatite on micro-arc oxidized titania

Ryu, Hyun Sam and Hong, Seong-Hyeon (2009) Hybrid coatings of poly(L-lysine) and apatite on micro-arc oxidized titania. Materials Letters, 63 (24-25). pp. 2107-2110.

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Hybrid coatings of poly(L-lysine) and apatite were formed on the micro-arc oxidized titania through a biomimetic process. Phosphorous (P)-containing titania films were prepared by micro-arc oxidation (MAO) of titanium (Ti) substrates in an electrolyte solution containing β-glycerol phosphate disodium salt pentahydrate. The hybrid coatings were grown by immersing MAO titania in the poly(L-lysine)-containing simulated body fluid (SBF) solution. After 72 h immersion, the globular precipitates appeared on the surface of titania films and grew up to ~ 10 µm. These precipitates consisted of 100–200 nm nano-flakes with a distorted (less straight) morphology. XRD and FT-IR confirmed that these precipitates were poly(L-lysine)-containing apatite nanocomposite.

Item Type:Article
Uncontrolled Keywords:Biomimetic; Micro-arc oxidation; Apatite; Poly(L-lysine); Nanocomposite; Microstructure
Subjects:Material Science > Nanostructured materials
ID Code:6588
Deposited By:SPI
Deposited On:10 Feb 2010 17:38
Last Modified:10 Feb 2010 17:38

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