Abstract
In this research we investigate the effect of depositing different polymeric coatings on a biodegradable material. A precision droplet deposition process is utilized to coat poly(lactic-co-glycolic) acid (PLGA), polycaprolactone (PCL), and poly-ester urethane urea (PEUU) on magnesium alloy to control its corrosion characteristics. Inductively coupled plasma spectroscopy (ICP) was used to measure the release of magnesium ions from different coated samples. The magnesium alloy samples were exposed to normal human bronchial epithelial (NHBE) cells in media. PEUU and PLGA coatings showed higher corrosion resistance as compared to PCL coatings. PCL coatings offered minimal barrier protection and resulted in the formation of gas bubbles indicative of the corrosion reaction. This research lays a foundation for developing polymeric coatings to suit the corrosion characteristics of biodegradable materials for biomedical implants.
| Original language | English |
|---|---|
| Title of host publication | 17th AES-ATEMA International Conference on Advances and Trends in Engineering Materials and Their Applications, ATEMA MONTREAL 2014 |
| Volume | 2014- |
| State | Published - 2014 |
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