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学科主题口腔医学
Treatment of Streptococcus mutans bacteria by a plasma needle
Zhang, Xianhui1,2,3; Huang, Jun1; Liu, Xiaodi4; Peng, Lei4; Guo, Lihong4; Lv, Guohua1; Chen, Wei2; Feng, Kecheng2; Yang, Si-ze1,3
关键词Dentistry Microorganisms Patient Care Plasma Applications
刊名JOURNAL OF APPLIED PHYSICS
2009-03-15
DOI10.1063/1.3080249
105期:6
收录类别SCI
文章类型Article
WOS标题词Science & Technology
类目[WOS]Physics, Applied
研究领域[WOS]Physics
关键词[WOS]DIELECTRIC BARRIER DISCHARGES ; ATMOSPHERIC-PRESSURE ; GLOW-DISCHARGE ; STERILIZATION ; INACTIVATION ; OXYGEN ; TORCH
英文摘要

A dielectric barrier discharge plasma needle was realized at atmospheric pressure with a funnel-shaped nozzle. The preliminary characteristics of the plasma plume and its applications in the inactivation of Streptococcus mutans (S. mutans), the most important microorganism causing dental caries, were presented in this paper. The temperature of the plasma plume does not reach higher than 315 K when the power is below 28 W. Oxygen was injected downstream in the plasma afterglow region through the powered steel tube. Its effect was studied via optical-emission spectroscopy, both in air and in agar. Results show that addition of 26 SCCM O(2) does not affect the plume length significantly (SCCM denotes cubic centimeter per minute at STP). The inactivation of S. mutans is primarily attributed to ultraviolet light emission, O, OH, and He radicals.

语种英语
WOS记录号WOS:000264774000056
引用统计
被引频次:33[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.bjmu.edu.cn/handle/400002259/50618
专题北京大学口腔医学院_口腔生物研究室
作者单位1.Chinese Acad Sci, Beijing Natl Lab Condensed Matter Phys, Inst Phys, Beijing 100080, Peoples R China
2.Changchun Univ Sci & Technol, Sch Sci, Changchun 130022, Jilin, Peoples R China
3.Xiamen Univ, Fujian Key Lab Plasma & Magnet Resonance, Dept Aeronaut, Sch Phys & Mech & Elect Engn, Xiamen 361005, Peoples R China
4.Peking Univ, Sch & Hosp Stomatol, Dept Oral Biol, Beijing 100080, Peoples R China
推荐引用方式
GB/T 7714
Zhang, Xianhui,Huang, Jun,Liu, Xiaodi,et al. Treatment of Streptococcus mutans bacteria by a plasma needle[J]. JOURNAL OF APPLIED PHYSICS,2009,105(6).
APA Zhang, Xianhui.,Huang, Jun.,Liu, Xiaodi.,Peng, Lei.,Guo, Lihong.,...&Yang, Si-ze.(2009).Treatment of Streptococcus mutans bacteria by a plasma needle.JOURNAL OF APPLIED PHYSICS,105(6).
MLA Zhang, Xianhui,et al."Treatment of Streptococcus mutans bacteria by a plasma needle".JOURNAL OF APPLIED PHYSICS 105.6(2009).
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