中国物理B ›› 2010, Vol. 19 ›› Issue (10): 105203-105203.doi: 10.1088/1674-1056/19/10/105203
邓三喜1, 程诚1, 倪国华1, 孟月东1, 陈华2
Deng San-Xi(邓三喜)a)†,Cheng Cheng(程诚)a), Ni Guo-Hua(倪国华)a), Meng Yue-Dong(孟月东)a), and Chen Hua(陈华)b)
摘要: This paper reports that an atmospheric pressure dielectric barrier discharge plasma jet, which uses argon or argon + hydrogen peroxide vapour as the working gas, is designed to sterilize the bacillus subtilis. Compared with the pure argon plasma, the bacterial inactivation efficacy has a significant improvement when hydrogen peroxide vapour is added into the plasma jet. In order to determine which factors play the main role in inactivation, several methods are used, such as determination of optical emission spectra, high temperature dry air treatment, protein leakage quantification, and scanning electron microscope. These results indicate that the possible inactivation mechanisms are the synergistic actions of chemically active species and charged species.
中图分类号: (Plasma devices)