The effect of small-molecule bio-relevant organic components at low concentration on the corrosion of commercially pure Mg and Mg-0.8Ca alloy: An overall perspective


The individual and combined influence of 53 small molecule bio-relevant organic compounds on the corrosion of CP Mg and Mg-0.8Ca is investigated. The results demonstrate that tested amino acids, vitamins and saccharides, do not critically influence the in vitro corrosion of tested materials. The presence of penicillin and streptomycin at low concentration in MEM has no significant influence on the corrosion, while higher concentration of streptomycin accelerates degradation. The similarity between MEM and SBF as corrosive medium for in vitro tests is also clarified. These results contribute to understanding the influence of organic compounds on in vitro corrosion of Mg.
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