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Physical Insight into the Synergistic Enhancement of CAP Therapy Using Static Magnetic Field

Mehrabifard, Ramin ; Kabarkouhi, Zeinab ; Rezaei, Fatemeh ; Hajisharifi, Kamal ; Mehdian, Hassan

Brazilian journal of physics, 2024-08, Vol.54 (4), Article 122 [Periódico revisado por pares]

New York: Springer US

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  • Título:
    Physical Insight into the Synergistic Enhancement of CAP Therapy Using Static Magnetic Field
  • Autor: Mehrabifard, Ramin ; Kabarkouhi, Zeinab ; Rezaei, Fatemeh ; Hajisharifi, Kamal ; Mehdian, Hassan
  • Assuntos: Biological effects ; Boltzmann transport equation ; Cold ; Cold plasmas ; Electron density ; Electron energy ; Electrons ; External pressure ; Magnetic fields ; Optical emission spectroscopy ; Physics ; Physics and Astronomy ; Plasma ; Plasma temperature ; Synergistic effect ; Temperature
  • É parte de: Brazilian journal of physics, 2024-08, Vol.54 (4), Article 122
  • Descrição: In the last decades, to improve the CAP treatment efficiency, its biological effects in combination with other physical modalities have widely investigated. However, the physical insight into most of supposed synergistic effects remained elusive. In this regard, the synergetic effect of cold plasma and magnetic field has been used for different applications, especially due to considerable synergistic in biological media reactivity. In the present paper, using a 420 mT N42 magnet, the effect of the perpendicular external static magnetic field (SMF) on the cold atmospheric pressure plasma (CAP) characteristics, such as electron temperature and density, is investigated based on the optical emission spectroscopy, utilizing the Boltzmann plot method, Saha-Boltzmann equation, and Specair software simulation. Results showed that the rotational and electronic excitational temperatures experienced 100 K and 550 K increases in the presence of SMF, respectively. In contrast, the vibrational and translational temperatures remained constant. Moreover, electron temperature was estimated as 1.04 eV in the absence of SMF and increased up to 1.24 eV in the presence of SMF. In addition, the Saha-Boltzmann equation illustrated that the electron density increased in the presence of the additional SMF. The results of the present study indicated that the magnetic field could be an assistant to the cold plasma effect, beneficial in medical applications due to modifications in plasma temperature and electron density.
  • Editor: New York: Springer US
  • Idioma: Inglês
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