Design and characteristics investigation of a miniature low-temperature plasma spark discharge device

Xue LI (李雪); Renwu ZHOU (周仁武); Bo ZHANG (张波); Rusen ZHOU (周儒森); Ken OSTRIKOV; Zhi FANG (方志)

doi:10.1088/2058-6272/aaf111

Plasma Science and Technology > 2019 > 21(5): 54005-054005. > DOI: 10.1088/2058-6272/aaf111

Xue LI (李雪), Renwu ZHOU (周仁武), Bo ZHANG (张波), Rusen ZHOU (周儒森), Ken OSTRIKOV, Zhi FANG (方志). Design and characteristics investigation of a miniature low-temperature plasma spark discharge device[J]. Plasma Science and Technology, 2019, 21(5): 54005-054005. DOI: 10.1088/2058-6272/aaf111

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Design and characteristics investigation of a miniature low-temperature plasma spark discharge device

¹ College of Electrical Engineering and Control Science, Nanjing Tech University, Nanjing 211816, People’s Republic of China
² School of Chemistry, Physics, and Mechanical Engineering, Queensland University of Technology, Brisbane, QLD 4000, Australia
³ Joint CSIRO-QUT Sustainable Processes and Devices Laboratory, Lindfield, NSW 2070, Australia

Funds: This work is supported by National Natural Science Foundation of China (Nos. 51677083 and 51377075) and Postgraduate Research and Practice Innovation Program of Jiangsu Province (SJCX18_0340).

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Received Date: September 13, 2018

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Abstract

Abstract

Atmospheric pressure low-temperature plasma is a promising tool in biomedicine applications including blood coagulation, bacterial inactivation, sterilization, and cancer treatment, due to its high chemical activity and limited thermal damage. It is of great importance to develop portable plasma sources that are safe to human touch and suitable for outdoor and household operation. In this work, a portable and rechargeable low-temperature plasma spark discharge device (130 mm × 80 mm × 35 mm, 300 g) was designed. The discharge frequency and plume length were optimized by the selection of resistance, capacitance, electrode gap, and ground electrode aperture. Results show that the spark plasma plume is generated with a length of 12 mm and a frequency of 10 Hz at a capacitance of 0.33 μF, resistance of 1 MΩ, electrode gap of 2 mm, and ground electrode aperture of 1.5 mm. Biological tests indicate that the plasma produced by this device contains abundant reactive species, which can be applied in plasma biomedicine, including daily sterilization and wound healing.
- ow-temperature plasma,
- spark discharge,
- portable,
- plasma source,
- plasma medicine

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References (36)

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