Microbial adhesion to zirconium alloys

被引：11
作者：
Ehrman, J. D.
Bender, E. T.
Stojilovic, N.
Sullivan, T.
Ramsier, R. D. [1 ]
Buczynski, B. W.
Kory, M. M.
Steiner, R. P.
机构：
[1] Univ Akron, Dept Phys, Akron, OH 44325 USA
[2] Univ Akron, Dept Chem, Akron, OH 44325 USA
[3] Univ Akron, Dept Biol, Akron, OH 44325 USA
[4] Univ Akron, Dept Stat, Akron, OH 44325 USA
来源：
COLLOIDS AND SURFACES B-BIOINTERFACES | 2006年 / 50卷 / 02期
关键词：
microbial adhesion; zirconium alloys; endotoxin; yeast; gram negative; gram positive; oxidation; XPS;
D O I：
10.1016/j.colsurfb.2006.04.010
中图分类号：
Q6 [生物物理学];
学科分类号：
071011 ;
摘要：
We present data and analyses concerning the adhesion of clinically relevant Staphylococcus aureus, Staphylococcus epidermidis, and Pseudomonas aeruginosa (bacteria) and Candida albicans (yeast) to Zircaloy-2 (Zry-2) and Zircadyne-705 (Zr705) surfaces. These zirconium-based materials are similar to those now being used in total hip and knee replacements. Here we study clinical strains of microbes under shaken and stationary exposure conditions, and their ability to adhere to Zr surfaces having different oxide thicknesses. We use X-ray photoelectron spectroscopy (XPS), scanning electron microscopy (SEM), viable counts, endotoxin assays, and statistical analysis methods, and demonstrate a predictive model for microbial adhesion based on XPS data. (C) 2006 Elsevier B.V. All rights reserved.
引用
收藏
页码：152 / 159
页数：8
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