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Decreased Staphylococcus aureus and increased osteoblast density on nanostructured electrophoretic-deposited hydroxyapatite on titanium without the use of pharmaceuticals
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Date
2014-01-01
Author
Mathew, Dennis
Bhardwaj, Garima
Wang, Qi
Sun, Linlin
Ercan, Batur
Geetha, Manisavagam
Webster, Thomas J.
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Background: Plasma-spray deposition of hydroxyapatite on titanium (Ti) has proven to be a suboptimal solution to improve orthopedic-implant success rates, as demonstrated by the increasing number of orthopedic revision surgeries due to infection, implant loosening, and a myriad of other reasons. This could be in part due to the high heat involved during plasma-spray deposition, which significantly increases hydroxyapatite crystal growth into the nonbiologically inspired micron regime. There has been a push to create nanotopographies on implant surfaces to mimic the physiological nanostructure of native bone and, thus, improve osteoblast (bone-forming cell) functions and inhibit bacteria functions. Among the several techniques that have been adopted to develop nanocoatings, electrophoretic deposition (EPD) is an attractive, versatile, and effective material-processing technique.
Subject Keywords
Biophysics
,
Organic Chemistry
,
Bioengineering
,
Drug Discovery
,
Biomaterials
,
General Medicine
URI
https://hdl.handle.net/11511/36102
Journal
INTERNATIONAL JOURNAL OF NANOMEDICINE
DOI
https://doi.org/10.2147/ijn.s55733
Collections
Department of Metallurgical and Materials Engineering, Article