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Plasma Medicine
SJR: 0.278 SNIP: 0.183 CiteScore™: 0.57

ISSN Druckformat: 1947-5764
ISSN Online: 1947-5772

Plasma Medicine

DOI: 10.1615/PlasmaMed.2016019251
pages 179-191

A Microsecond-Pulsed Cold Plasma Jet for Medical Application

Chao Zheng
Zhejiang Center for Medical Device Adverse Event Monitoring and Safety Research, Hangzhou 310009, China
Yanqin Kou
Zhejiang Center for Medical Device Adverse Event Monitoring and Safety Research, Hangzhou 310009, China
Zhen Liu
Institute of Industrial Ecology and Environment, Collage of Chemical and Biological Engineering, Zhejiang University, Hangzhou 310028, China
Anna Zhu
State Key Laboratory of NBC Protection for Civilian, Beijing 102205, China
Hongqiang Jiang
Zhejiang Center for Medical Device Adverse Event Monitoring and Safety Research, Hangzhou 310009, China
Yifan Huang
Institute of Industrial Ecology and Environment, Collage of Chemical and Biological Engineering, Zhejiang University, Hangzhou 310028, China
Keping Yan
Institute of Industrial Ecology and Environment, Collage of Chemical and Biological Engineering, Zhejiang University, Hangzhou 310028, China

ABSTRAKT

A homemade cold plasma jet device for medical application is introduced here. It consists of a microsecond-pulsed power source and a handheld jet gun. The pulse width is 1.2 μs, and the average plasma power is <10 W. Both helium (He) and argon (Ar) gas were used to generate touchable cold plasma jet, and the maximum jet lengths were 7 cm and 3 cm, respectively. Pulsed voltage and gas flow have significant influence onjet formation. The emission spectra of the He and Arjets were compared. When Staphylococcus aureus was treated on a 90-mm agar plate for 0.5−2.5 min, bactericidal spots of 0.5−5.0 cm were obtained. In terms of disinfection of Staphylococcus aureus on a 10-mm quartz plate, Ar plasma performs more efficiently than He plasma.