In vitro biocorrosion of Co–Cr–Mo implant alloy by macrophage cells
Journal of Orthopaedic Research, ISSN: 0736-0266, Vol: 22, Issue: 6, Page: 1231-1236
2004
- 46Citations
- 1Usage
- 30Captures
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Example: if you select the 1-year option for an article published in 2019 and a metric category shows 90%, that means that the article or review is performing better than 90% of the other articles/reviews published in that journal in 2019. If you select the 3-year option for the same article published in 2019 and the metric category shows 90%, that means that the article or review is performing better than 90% of the other articles/reviews published in that journal in 2019, 2018 and 2017.
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Metrics Details
- Citations46
- Citation Indexes46
- 46
- CrossRef40
- Usage1
- Abstract Views1
- Captures30
- Readers30
- 30
Article Description
We hypothesized that macrophage cells and their released reactive chemical species (RCS) affect Co–Cr–Mo alloy's corrosion properties and that alloy corrosion products change macrophage cell behavior. A custom cell culture corrosion cell was used to evaluate how culture medium, cells, and RCS altered alloy corrosion in 3-day tests. Corrosion was evaluated by measuring total charge transfer at a constant potential using a potentiostat and metal ion release by atomic emission spectroscopy. Viability, proliferation, and NO (nitric oxide) and IL-1β (interlukin-1β) release were used to assess cellular response to alloy corrosion products. In the presence of activated cells, total charge transfers and Co ion release were the lowest ( p <0.05). This was attributed to an enhancement of the surface oxide by RCS. Cr and Mo release were not different between cells and activated cells. Low levels of metal ions did not affect cell viability, proliferation, or NO release, though IL-1β released from the activated cells was higher on the alloy compared to the controls. These data support the hypothesis that macrophage cells and their RCS affect alloy corrosion. Changes in alloy corrosion by cells may be important to the development of host responses to the alloy and its corrosion products.
Bibliographic Details
http://www.sciencedirect.com/science/article/pii/S0736026604001044; http://dx.doi.org/10.1016/j.orthres.2004.04.005; http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=4844229221&origin=inward; http://www.ncbi.nlm.nih.gov/pubmed/15475202; https://onlinelibrary.wiley.com/doi/10.1016/j.orthres.2004.04.005; https://digitalcommons.memphis.edu/facpubs/12567; https://digitalcommons.memphis.edu/cgi/viewcontent.cgi?article=13566&context=facpubs
Wiley
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