|Title:||Nanohardness, corrosion and protein adsorption properties of CuAlO 2 films deposited on 316L stainless steel for biomedical applications||Authors:||Chang S.-H.
|Keywords:||Electrochemical;Nanoindentation;Protein adsorption;Surface modification||Issue Date:||2014||Journal Volume:||289||Start page/Pages:||455-461||Source:||Applied Surface Science||Abstract:||
This study preliminarily assesses the biomedical applications of CuAlO 2 coatings according to nanoindentation, electrochemical, and protein adsorption tests. Nanoindentation results revealed that the surface hardness of 316L stainless steel increased markedly after coating with CuAlO 2 films. Electrochemical tests of corrosion potential, breakdown potential, and corrosion current density showed that the corrosion resistance properties of 316L stainless steel are considerably improved by CuAlO 2 coatings. Bicinchoninic acid (BCA) protein assay results revealed that the protein adsorption behavior of 316L stainless steel did not exhibit notable differences with or without CuAlO 2 coatings. A CuAlO 2 coating of 100 nm thickness improved the surface nanohardness and corrosion resistance ability of 316L stainless steel. CuAlO 2 is a potential candidate for biomaterial coating applications, particularly for surface modification of fine, delicate implants. ? 2013 Elsevier B.V.
|Appears in Collections:||應用力學研究所|
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