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

    Author(s)
    Li, Xue
    Zhou, Renwu
    Zhang, Bo
    Zhou, Rusen
    Ostrikov, Ken
    Fang, Zhi
    Griffith University Author(s)
    Ostrikov, Ken
    Year published
    2019
    Metadata
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    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 ...
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    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.
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    Journal Title
    PLASMA SCIENCE & TECHNOLOGY
    Volume
    21
    Issue
    5
    DOI
    https://doi.org/10.1088/2058-6272/aaf111
    Subject
    Nuclear and plasma physics
    Publication URI
    http://hdl.handle.net/10072/385152
    Collection
    • Journal articles

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