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Cold Air Plasma Jets Redefine Fungal Nail Treatment

July 14, 2024
in Science
Cold Air Plasma Jets Redefine Fungal Nail Treatment
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By Ying Zhang and Weiwei Zhao, Hefei Institutes of Physical Science, CAS July 13, 2024

Fungal Toe Nail Infection Laser Treatment Crop

A study introduced a new treatment for nail fungus, Trichophyton rubrum, using a portable pulsed cold air plasma jet. The technology utilizes shock waves to effectively destroy the fungus, achieving a 90% eradication rate with specific treatment protocols, marking a significant advancement in fungal treatment technologies.

Researchers developed a plasma jet device that effectively kills 90% of Trichophyton rubrum fungus in nails, utilizing shock waves from pulsed cold air plasma, representing a breakthrough in fungal infection treatment.

Recently, the team led by Prof. Qing Huang 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 fungus in onychomycosis. Because it is hidden in nails, it is difficult to kill directly using general methods.

New Plasma Jet Technology Effectively Treats Fungal Nail Infections

Figure 1. Treatment of nail models with different thickness by portable pulsed cold air plasma jet. Credit: Ying Zhang

In this study, the researchers used a portable pulsed cold air plasma 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.

Portable Pulsed Cold Air Plasma Jet Shock Wave Analysis

Figure 2. Analysis of shock wave generated by portable pulsed cold air plasma jet. Credit: Ying Zhang

Furthermore, researchers experimentally verified the velocity and pressure of the shock wave generated by PP-CAPJ, finding that the device could generate instantaneous pressure greater than 1 MPa at the nail surface. They claimed for the first time 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.

Reference: “Study of the effect of shock wave from a portable pulsed cold air plasma jet device on inactivation of Trichophyton rubrum in nails” by Ying Zhang, Zhaoquan Chen, Changsheng Shao and Qing Huang, 10 June 2024, Applied Physics Letters.
DOI: 10.1063/5.0206605

>>> Read full article>>>
Copyright for syndicated content belongs to the linked Source : SciTechDaily – https://scitechdaily.com/cold-air-plasma-jets-redefine-fungal-nail-treatment/

Tags: ‘plasmaRedefinescience
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