Asian Journal of Physics Vol 32, Nos 9 – 12 (2023) 511-517

Development of cold atmospheric pressure plasma jet sources for biomedical application

Navin K Sharma1, Priti Pal2,3, Mahendra Singh2, Vishali Singh2, R Kumar2, Alok Mishra2,
R P Lamba2,3, Y Choyal1 and Udit Narayan Pal2,3
1School of Physics, Devi Ahilya Vishwavidyalaya, Indore-452 001, India
2CSIR-Central Electronics Engineering Research Institute, Pilani-333 031, India
3Academy of Scientific and Innovative Research (AcSIR), Ghaziabad-201 002, India
Dedicated to Prof B N Basu

Characterization of dielectric barrier discharge (DBD) based cold atmospheric pressure plasma jet (C-APPJ) source has been carried out. The effects of the operating parameters have been analyzed on the effective formation and characteristics of the plasma plume. The emission spectra of the C-APPJ source have been measured to determine the presence of the reactive species generated from the developed sources. The discharge analysis and the plasma dynamics at higher flow rate of 3 SLM have been investigated. The discharge image shows that the plasma is emanated from the nozzle up to the distance of ~2.0 cm. The strongest spectral line centered around 308 nm shows the formation of the hydroxyl radical in the region of the plasma plume. A simulation has also been carried out to determine the velocity distribution of the gas at different flow rates in the C-APPJ source, and it was observed that the flow is turbulent in nature at higher gas flow rates (~3 SLM). The obtained results are expected to be useful for the design and development of C-APPJ sources for their potential utilisation in surface and biomedical applications. © Anita Publications. All rights reserved.
Keywords: Cold Plasma, Plasma Plume, Turbulence, Plasma medicine.

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Method: Single- anonymous; Screened for Plagiarism? Yes
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