Surface analysis of nitrogen plasma-treated C60/PS nanocomposite films for antibacterial activity

被引：10
作者：
EL-Sayed, Naglaa M. [1 ]
Reda, Fifi M. [2 ]
Farag, Omar F. [1 ]
Nasrallah, Doaa A. [1 ]
机构：
[1] Zagazig Univ, Dept Phys, Fac Sci, Zagazig, Egypt
[2] Zagazig Univ, Dept Bot & Microbiol, Fac Sci, Zagazig, Egypt
来源：
JOURNAL OF BIOLOGICAL PHYSICS | 2017年 / 43卷 / 02期
关键词：
Antibacterial; N-2-plasma; Surface modification; C-60; PS; Nanocomposite; RESISTANCE;
D O I：
10.1007/s10867-017-9447-6
中图分类号：
Q6 [生物物理学];
学科分类号：
071011 ;
摘要：
The influence of N-2 plasma on the antibacterial properties of polystyrene/fullerene (C-60/PS) nanocomposite films with two concentrations is investigated. A comparison is made between the surface characteristics of the films before and after plasma irradiation for different time intervals. The alterations induced on the surface of the films after treatment are analyzed by contact angle and surface energy measurements, FTIR spectroscopy, and atomic force microscopy. The antibacterial properties, growth, biofilm formation, and adhesion of the nanocomposite films against two multidrug-resistant bacterial strains, Staphylococcus aureus KT337489 and Pseudomonas aeruginosa KT337488, are investigated before and after plasma irradiation. The results indicate that P. aeruginosa is more sensitive to treatment than S. aureus as well as an enhancement of the anti-adhesion of both strains to treated surfaces through exposure.
引用
收藏
页码：211 / 224
页数：14
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