1. Effect of surface roughness and sterilization on bacterial adherence to ultra-high molecular weight polyethylene 
T.J. Kinnari, J. Esteban, N. Zamora, R. Fernandez, C. López-Santos, F. Yubero, D. Mariscal, J.A. Puertolas, E. Gomez-Barrena 
Clinical Microbiology and Infection 
Volume 16, Issue 7, Pages (July 2010)
DOI: /j x
Copyright © 2010 European Society of Clinical Infectious Diseases Terms and Conditions

2. FIG. 1
Confocal Scanning Laser Microscopy (CSLM) images of ultra-high molecular weight polyethylene samples with roughness (Ra) of approximately (a) 0.3 µm, (b) 0.8 µm, and (c) 2.0 µm.
Clinical Microbiology and Infection  , DOI: ( /j x)
Copyright © 2010 European Society of Clinical Infectious Diseases Terms and Conditions

3. FIG. 2
Water contact angle (WCA) of ultra-high molecular weight polyethylene. The samples were untreated (UT), or treated with gas plasma (GP) or ethylene oxide (EO) sterilization (statistically significant difference indicated by asterisks).
Clinical Microbiology and Infection  , DOI: ( /j x)
Copyright © 2010 European Society of Clinical Infectious Diseases Terms and Conditions

4. FIG. 3
Left: X-ray photoelectron spectroscopy (XPS) survey spectra of ultra-high molecular weight polyethylene (UHMWPE) before (untreated (UT)) and after ethylene oxide (EO) or gas plasma (GP) treatments. Right: detail of the C 1s photoemitted spectra.
Clinical Microbiology and Infection  , DOI: ( /j x)
Copyright © 2010 European Society of Clinical Infectious Diseases Terms and Conditions

5. FIG. 4
Adherence of Staphylococcus aureus and Staphylococcus epidermidis to ultra-high molecular weight polyethylene after sterilization with gas plasma (GP) or ethylene oxide (EO) (statistically significant difference indicated by asterisks).
Clinical Microbiology and Infection  , DOI: ( /j x)
Copyright © 2010 European Society of Clinical Infectious Diseases Terms and Conditions