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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Wang, J. Huang, N. Hong, S. Chen, F. Yang, P. Leng, Y.X. Chen, J.Y. Wang, G.J. Liu, Z.Y. Wu, X. Chu, P.K. |
| Copyright Year | 2002 |
| Description | Author affiliation: Coll. of Mater. Eng., Southwest Jiaotong Univ., Chengdu, China (Wang, J.; Huang, N.; Hong, S.) |
| Abstract | Summary form only given. This article reports a study of the behavior of bacterial adhesion to polyethylene terephthalate (PET) which was modified by acetylene (C/sub 2/H/sub 2/) plasma immersion ion implantation (PIII). These surface-modified PETs were characterized by means of X-ray photoelectron spectroscopy (XPS) and attenuated total reflection Fourier transform infrared spectroscopy (ATR-FT IR). The capacities of Staphylococcus aureus (SA), Staphylococcus epidermidis (SE), Escherichia coli (EQ), Pseudomonas aeruginosa (PA) and Candida albicans (CA) for adhesion to PETs were quantitatively determined by the plate counting and Gamma-ray counting of /sup 125/I radio labeled bacteria in vitro. The results indicated that the capacities of five types of bacteria for adhesion to PETs were all suppressed by PHI treatment. The adhesion of SA on the surface of C/sub 2/H/sub 2/ PIII modified surface was reduced to 1/10 of that on the untreated PET surface. The capacities of SE on the modified surface were 25% comparing with that of the untreated surface. XPS and ATR-FTIR spectra showed amorphous carbon structure appeared after C/sub 2/H/sub 2/ plasma immersion ion implantation. This suggests that the improvement of bacterial adhesion to PET might come from the formation of an amorphous carbon phase by PHI. It is believed that the composition change of the modified surface layer would cause the improvement of the bacterial adhesion. |
| Sponsorship | Plasma Sci. & Applictions Committee of the IEEE Nucl. & Plasma Sci. Soc |
| File Size | 61392 |
| File Format | |
| ISBN | 078037407X |
| DOI | 10.1109/PLASMA.2002.1030635 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2002-05-26 |
| Publisher Place | Canada |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Anti-bacterial Adhesives Plasma immersion ion implantation Positron emission tomography Microorganisms Surface treatment Amorphous materials Polyethylene Spectroscopy Reflection |
| Content Type | Text |
| Resource Type | Article |
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