نتایج جستجو برای: cold argon plasma
تعداد نتایج: 461086 فیلتر نتایج به سال:
This paper presents a solution to implement neutral argon plasma (NAP) in minimally invasive medical devices (MIMD) for therapy in endoscopy. The NAP system is composed by compressed inert gas (argon), two electrodes and a high-voltage source to ionize the argon. The miniaturization of an argon reservoir is required. The finite element method simulation of a small reservoir of 304 L stainless s...
The irradiation effect of argon, oxygen glow discharge plasma, and mercury lamp on silver and agar/silver nanoparticle samples is studied. The irradiation time dependence of the synthesized silver and agar/silver nanoparticle absorption spectra and their antibacterial effect are studied and compared. In the agar/silver nanoparticle sample, as the irradiation time of argon glow discharge plasma ...
Introduction: There are many reports published about the use of cold atmospheric plasma in cancer treatment recently. In this way, the selective effects of cold plasma on the breast (MDA-MB-231) and cervical (Hela) cancer cells were studied as a new cancer treatment method. Materials and Methods: In this study, cold atmospheric pressure plasma was generated using a plasma jet reactor and also o...
Hematite nanoflakes have been synthesized by a simple heat oxide method and further treated by Argon plasmas. The effects of Argon plasma on the morphology and crystal structures of nanoflakes were investigated. Significant enhancement of field-induced electron emission from the plasma-treated nanoflakes was observed. The transmission electron microscopy investigation shows that the plasma trea...
Catharanthus roseus is widely cultivated around the world. Cold atmosphere plasma (CAP) has been used to improve crop plants seed germination, and plant growth. In the present study, three different times of CAP (40, 50 and 60s) were used for the treatment of C. roseus seeds, and the changes in morphological traits, antioxidant enzymes and the genetic content of the treated plants were examine...
Abstract The present work is part of a wider project aimed at improving the description plasma dynamics during production phase Helicon Plasma Thruster. In particular, was focused on development chemical model for Argon- and Xenon-based plasma. developed consists collisional radiative suitable to describe 1 s 2 p excited levels. meant be complementary 3D-VIRTUS, numerical tool which enforces fl...
In this paper, construction of triplet atmospheric plasma jet using argon, air, oxygen and nitrogen gases is reported. Bactericidal effect of the plasma jet is also investigated. To that end, longitudinal geometric configuration for the electrodes was chosen because it would increase the jet length. Electrical characteristics, jet length dependencies on the applied voltage and gas flow rate wer...
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