Journal
BIOMEDICAL MATERIALS
Volume 4, Issue 4, Pages -Publisher
IOP PUBLISHING LTD
DOI: 10.1088/1748-6041/4/4/044109
Keywords
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Funding
- National Natural Science Foundation of China [30670560]
- Science and Technology Project of Guangdong Province [2008A030102006]
- ShenZhen Industry-Education-Research Cooperation
- New Century Excellent Talents in University [NCET-07-0033]
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The surface morphologies before and after immersion corrosion test of various chitosan-coated Mg-1Ca alloy samples were studied to investigate the effect of chitosan dip coating on the slowdown of biocorrosion. It showed that the corrosion resistance of the Mg-Ca alloy increased after coating with chitosan, and depended on both the chitosan molecular weight and layer numbers of coating. The Mg-Ca alloy coated by chitosan with a molecular weight of 2.7 x 10(5) for six layers has smooth and intact surface morphology, and exhibits the highest corrosion resistance in a simulated body fluid.
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