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New plasma jet technology effectively treats fungal nail infections

New plasma jet technology effectively treats fungal nail infections
Treatment of nail models with different thickness by portable pulsed cold air plasma jet. Credit: Zhang Ying

Recently, the team led by Prof. Huang Qing from the Hefei Institutes of Physical Science of the Chinese Academy of Sciences proposed using a portable pulsed cold air plasma jet (PP-CAPJ) to treat Trichophyton rubrum in nails. They revealed that the shock wave from PP-CAPJ could effectively kill this fungus.

This study was published in Applied Physics Letters.

Onychomycosis is a fungal nail infection, which is the most common nail disease. Trichophyton rubrum is a common harmful in onychomycosis. Because it is hidden in nails, it is difficult to kill directly using general methods.

In this study, the researchers used a portable pulsed cold air jet device to kill Trichophyton rubrum in nails, and studied the related mechanism. They established a nail model of onychomycosis infection, and then used PP-CAPJ to treat nails of different thicknesses.

They found that PP-CAPJ had a prominent killing effect on Trichophyton rubrum in nails of a certain thickness, and the PP-CAPJ device could kill 90% of Trichophyton rubrum in nails with 300 spark discharges.

Furthermore, researchers experimentally verified the and pressure of the shock wave generated by PP-CAPJ, finding that the could generate instantaneous pressure greater than 1 MPa at the nail surface. They found that the shock wave generated by PP-CAPJ destroyed the cell membrane of Trichophyton rubrum in nails.

This represents a new type of application of low-temperature plasma technology, as well as a new mechanism for killing fungi using PP-CAPJ.

More information: Ying Zhang et al, Study of the effect of shock wave from a portable pulsed cold air plasma jet device on inactivation of Trichophyton rubrum in nails, Applied Physics Letters (2024). DOI: 10.1063/5.0206605

Journal information: Applied Physics Letters

Citation: New plasma jet technology effectively treats fungal nail infections (2024, July 9) retrieved 22 July 2024 from https://phys.org/news/2024-07-plasma-jet-technology-effectively-fungal.html
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