In Vitro Electrochemical Corrosion and Cell Viability Studies on Nickel-Free Stainless Steel Orthopedic Implants. e61633

The corrosion and cell viability behaviors of nanostructured, nickel-free stainless steel implants were studied and compared with AISI 316L. The electrochemical studies were conducted by potentiodynamic polarization and electrochemical impedance spectroscopic measurements in a simulated body fluid....

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Bibliographic Details
Published in:PloS one Vol. 8; no. 4
Main Authors: Salahinejad, Erfan, Hadianfard, Mohammad Jafar, Macdonald, Digby Donald, Sharifi-Asl, Samin, Mozafari, Masoud, Walker, Kenneth J, Rad, Armin Tahmasbi, Madihally, Sundararajan V, Tayebi, Lobat
Format: Journal Article
Language:English
Published: 01-04-2013
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Summary:The corrosion and cell viability behaviors of nanostructured, nickel-free stainless steel implants were studied and compared with AISI 316L. The electrochemical studies were conducted by potentiodynamic polarization and electrochemical impedance spectroscopic measurements in a simulated body fluid. Cytocompatibility was also evaluated by the adhesion behavior of adult human stem cells on the surface of the samples. According to the results, the electrochemical behavior is affected by a compromise among the specimen's structural characteristics, comprising composition, density, and grain size. The cell viability is interpreted by considering the results of the electrochemical impedance spectroscopic experiments.
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ISSN:1932-6203
DOI:10.1371/journal.pone.0061633