Preliminary comparative study of laser-prepared DLC and Cr-doped DLC for bacteria adhesion

被引：8
|
作者：
Jelinek, M. [1 ,2 ]
Pisarik, P. [1 ,2 ]
Kocourek, T. [1 ,2 ]
Zemek, J. [1 ,2 ]
Kotzianova, A. [1 ,2 ]
Jurek, K. [1 ,2 ]
Miksovsky, J. [1 ,2 ]
Luxbacher, T. [3 ]
机构：
[1] Inst Phys ASCR Vvi, Prague 18221 8, Czech Republic
[2] Czech Tech Univ, Fac Biomed Engn, Sitna 3105, Kladno, Czech Republic
[3] Anton Paar GmbH, Graz, Austria
来源：
APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING | 2014年 / 116卷 / 03期
关键词：
Diamond-like carbon; Chromium; Contact angle; Surface free energy; Dual laser deposition; Zeta potential; THIN-FILMS; COATINGS;
D O I：
10.1007/s00339-014-8256-z
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Diamond-like carbon (DLC) and Cr-doped DLC (chromium content 0-18 at.%) layers were deposited by dual pulsed laser ablation. The composition was analyzed using electron probe X-ray microanalysis with wavelength-dispersive spectrometers. Carbon and chromium bonds were determined by X-ray photoelectron spectroscopy. Ethylene glycol, diiodomethane and deionized water were used to measure contact angles and for the calculation of the surface free energy (SFE). Antibacterial properties were studied using gram positive and negative bacteria. The influence of the SFE, hydrophobicity, surface roughness and the zeta potential on antibacterial properties of doped layers was discussed. The relationships between physical and bio-properties are discussed.
引用
收藏
页码：1437 / 1443
页数：7
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