Abstract
Magnesium alloy has been gaining interest for its potential biomedical applications as a biodegradable / bioabsorbable metallic implant. However its major disadvantage for biomedical applications is its low corrosion resistance especially in physiological environments. We demonstrate the formation of organic nano-coatings to control the bio-corrosion of Mg alloy. X-ray photoelectron spectroscopy (XPS) determined the surface atomic composition before and after film deposition. The presence of phosphorous "P" after deposition indicated the presence of organic film formation. Similarly, changes in surface hydrophobicity as indicated by contact angle measurements suggested organic thin film formation. Preliminary, In-Vitro corrosion behavior in PBS solutions indicated the effectiveness of these coatings to control the in vitro corrosion of Mg alloy
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