Academic literature on the topic 'Cold nitrogen plasma'

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Journal articles on the topic "Cold nitrogen plasma"

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Bruno, Giuliana, Sebastian Wenske, Jan-Wilm Lackmann, Michael Lalk, Thomas von Woedtke, and Kristian Wende. "On the Liquid Chemistry of the Reactive Nitrogen Species Peroxynitrite and Nitrogen Dioxide Generated by Physical Plasmas." Biomolecules 10, no. 12 (2020): 1687. http://dx.doi.org/10.3390/biom10121687.

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Cold physical plasmas modulate cellular redox signaling processes, leading to the evolution of a number of clinical applications in recent years. They are a source of small reactive species, including reactive nitrogen species (RNS). Wound healing is a major application and, as its physiology involves RNS signaling, a correlation between clinical effectiveness and the activity of plasma-derived RNS seems evident. To investigate the type and reactivity of plasma-derived RNS in aqueous systems, a model with tyrosine as a tracer was utilized. By high-resolution mass spectrometry, 26 different tyr
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Slobodyanyuk, Viktor, Andrii Kuzmenko, Serhii Kudriavtsev, Olexii Tselishchev, and Maryna Loriia. "Determining the possibility of using cold plasma for the oxidation of atmospheric nitrogen into nitrogen oxides and the influence of activating substances on the process." Eastern-European Journal of Enterprise Technologies 6, no. 6 (126) (2023): 80–87. http://dx.doi.org/10.15587/1729-4061.2023.293873.

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The process of oxidation of molecular nitrogen by high-energy oxidants, such as nitric acid vapor, products of the thermolysis of nitric acid, and hydrogen peroxide, in a cold plasma stream was studied. To implement the process of obtaining nitric acid from atmospheric air using reproductive technology (Zakharov's method), the design of a reactor for obtaining nitrogen oxides by direct oxidation of nitrogen in a cold plasma stream is proposed. At the same time, it was proposed to use the effect of obtaining nitrogen oxides in an air mixture with nitric acid vapors (the Karavaev effect) and dur
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Luo, Kun, Min Zhu, Yuzheng Zhao, and Zhihong Luo. "Functionalization of Carbon Fibers with Nitrogen and Oxygen as High Performance Supercapacitor." Journal of New Materials for Electrochemical Systems 20, no. 4 (2017): 231–37. http://dx.doi.org/10.14447/jnmes.v20i4.452.

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Functionalization of carbon materials with heteroatom is highly desirable for high-performance supercapacitor applications. Here, a combined method is used to prepare nitrogen and oxygen co-doped carbon fibers by acidification and N2 cold plasma treatment. Oxygen groups are introduced by acidification, and N2 groups are introduced by N2 cold plasma treatment mainly, moreover, acidification and plasma treatment time promote the increase of nitrogen content. The functionalized CFs obtained by acidification and plasma treat-ment for 60 min has high nitrogen (4.23 at.%) and oxygen (17.48 at.%) con
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Yusupov, M., M. Ghasemitarei, S. Mirzaev, and U. Khalilov. "Influence of plasma oxidation on proteins: modeling at the molecular level." «Узбекский физический журнал» 24, no. 1 (2022): 14–18. http://dx.doi.org/10.52304/.v24i1.302.

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Recently, the use of cold atmospheric plasmas for cancer therapy has become one of the most exciting topics of plasma application. Despite promising results from a large number of studies, the underlying mechanisms by which plasma acts on cancer cells are still elusive and require more thorough fundamental investigations. In this account, an overview is provided on our latest computational studies performed to investigate the interaction mechanisms of reactive oxygen and nitrogen species generated by cold atmospheric plasma with specific proteins relevant for cancer (treatment). In particular,
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Gómez-Ramírez, Marlenne, Lizbeth Soto-Ruvalcaba, Martín Nieto-Pérez, and Norma G. Rojas-Avelizapa. "Cold plasma: an alternative to reduce the viability of Aspergillus flavus conidia in lentil beans." Mexican journal of biotechnology 4, no. 3 (2019): 21–31. http://dx.doi.org/10.29267/mxjb.2019.4.3.21.

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Microbiological food safety is a major issue and the genus Aspergillus is of great interest given the frequency of its toxin contamination in grains. This paper describes the use of cold plasma generated with argon and a mixture of argonnitrogen as a method of sanitizing lentil beans. Lentil beans were sanitized and exposed to Aspergillus flavus conidia then four different experimental sets were prepared, using only argon and a mixture of argon-nitrogen to generate plasma at nitrogen flow rates of 1.2, 0.81 and 0.32 L/min. Each lentil bean was exposed for 5, 10 and 15 min to plasma. Assays wer
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Mateu-Sanz, Miguel, Juan Tornín, Bénédicte Brulin, et al. "Cold Plasma-Treated Ringer’s Saline: A Weapon to Target Osteosarcoma." Cancers 12, no. 1 (2020): 227. http://dx.doi.org/10.3390/cancers12010227.

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Osteosarcoma (OS) is the main primary bone cancer, presenting poor prognosis and difficult treatment. An innovative therapy may be found in cold plasmas, which show anti-cancer effects related to the generation of reactive oxygen and nitrogen species in liquids. In vitro models are based on the effects of plasma-treated culture media on cell cultures. However, effects of plasma-activated saline solutions with clinical application have not yet been explored in OS. The aim of this study is to obtain mechanistic insights on the action of plasma-activated Ringer’s saline (PAR) for OS therapy in ce
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Baniya, Hom Bahadur, Rajesh Prakash Guragain, Gobinda Prasad Panta, et al. "Experimental Studies on Physicochemical Parameters of Water Samples before and after Treatment with a Cold Atmospheric Plasma Jet and its Optical Characterization." Journal of Chemistry 2021 (January 13, 2021): 1–12. http://dx.doi.org/10.1155/2021/6638939.

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Cold plasma-liquid interaction becomes a growing interdisciplinary area of research involving plasma physics, fluid science, and chemistry. Plasma-liquid interaction has gained more interest over the last many years due to its potential applications in different fields. Cold atmospheric plasma jet is an emerging technology for surface drinking water treatment to improve quality and surface modification that is chemical-free and eco-friendly. Cold plasma treatment of water samples results in changes in turbidity, pH, and conductivity and in the formation of reactive oxygen and nitrogen species
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Konchekov, Evgeny M., Victoria V. Gudkova, Dmitriy E. Burmistrov, et al. "Bacterial Decontamination of Water-Containing Objects Using Piezoelectric Direct Discharge Plasma and Plasma Jet." Biomolecules 14, no. 2 (2024): 181. http://dx.doi.org/10.3390/biom14020181.

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Cold atmospheric plasma has become a widespread tool in bacterial decontamination, harnessing reactive oxygen and nitrogen species to neutralize bacteria on surfaces and in the air. This technology is often employed in healthcare, food processing, water treatment, etc. One of the most energy-efficient and universal methods for creating cold atmospheric plasma is the initiation of a piezoelectric direct discharge. The article presents a study of the bactericidal effect of piezoelectric direct discharge plasma generated using the multifunctional source “CAPKO”. This device allows for the modific
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Smith, Carly, Amanda Watkins, Autumn Melvage, Abigail Lucas, Thomas Schaer, and Theresa Freeman. "Immune-modifying cold plasma for treatment of periprosthetic orthopedic infection." Journal of Immunology 212, no. 1_Supplement (2024): 0842_7823. http://dx.doi.org/10.4049/jimmunol.212.supp.0842.7823.

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Abstract Non-antibiotic treatment options are needed to combat biofilm formation in clinical settings, and cold plasma, an energized gas containing a cocktail of reactive oxygen and nitrogen species, may be such a strategy. In vitro, cold plasma is antimicrobial through direct bacterial killing and modulation of virulence factors. Cold plasma treatment may also be immunostimulatory by enhancement of innate immune effector responses. We evaluated the efficacy of cold plasma for treating periprosthetic infection in an in vivo rat model. Infection mitigation following cold plasma treatment was as
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Mrotzek, Julia, and Wolfgang Viöl. "Spectroscopic Characterization of an Atmospheric Pressure Plasma Jet Used for Cold Plasma Spraying." Applied Sciences 12, no. 13 (2022): 6814. http://dx.doi.org/10.3390/app12136814.

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Cold plasma spray, a powder deposition method by means of an atmospheric pressure plasma jet is a promising coating technology for use on temperature sensitive surfaces. For further improvement of this coating process, a deeper understanding of its thermokinetic properties is required. By means of optical emission spectroscopy, the plasma effluent of an atmospheric pressure nitrogen arc jet is characterized by different distances from the nozzle and different gas flow rates of 35 Lmin−1 and 45 Lmin−1. A Boltzmann plot of N2+(B-X) was used to determine rotational temperatures, which were found
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Dissertations / Theses on the topic "Cold nitrogen plasma"

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Zhou, Renwu. "Direct and indirect activation of biological objects using cold atmospheric plasma." Thesis, Queensland University of Technology, 2019. https://eprints.qut.edu.au/131872/2/Renwu%20Zhou%20Thesis.pdf.

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This project was a step forward in the development and application of chemically reactive physical plasmas for direct and indirect treatment of biological objects. The project unravelled the link between plasma-generated chemistry and resultant bioactivity, so as to improve the cold plasma devices for specific applications. The project investigated the interactions of cold plasmas with biological objects including plant seeds, living cells and microorganisms, to provide some theoretical and experimental bases for the development of plasma applications.
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Truchlá, Darina. "Charakterizace a aplikace mikrovlnného plazmatu pro hojení ran." Master's thesis, Vysoké učení technické v Brně. Fakulta chemická, 2020. http://www.nusl.cz/ntk/nusl-414122.

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Non-thermal plasma has a lot of ways for using in nowadays medicine. It presents many useful actions like charged particles, UV light, electric field, radicals, excited atoms and molecules. That complicated chemistry directs to uncountable synergistic interaction between cold plasma and biological systems, involve cells and tissues. This thesis is about effects of cold plasma to wound healing. Two different microwave plasma systems were used for the presented study. The first one was argon plasma torch generated by surface wave using the quartz capillary, the second one was plasma torch with r
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Medini, Federico. "Physico-chemical characterization of a surface barrier discharge plasma source." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2019.

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Cold Atmospheric pressure Plasmas (CAP) generated by Dielectric Barrier Discharges (DBDs) are being studied and developed for an ever-widening range of applications in both biomedical and industrial areas. In particular surface DBDs (SDBDs), consisting of a planar powered electrode separated from a grounded mesh by a thin dielectric layer, have been gaining great interest for their ability to produce highly reactive atmospheres at close-to-environmental temperature and almost independent from the electrical properties of the target, which is treated in the afterglow of the surface plasma. Th
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Tyl, Clémence. "Study of the memory effect in atmospheric pressure townsend discharges in nitrogen with addition of oxidizing gas : temporally and spatially resolved electrical and optical characterizations." Thesis, Toulouse 3, 2019. http://www.theses.fr/2019TOU30296.

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Les procédés plasma utilisant des décharges à barrières diélectriques (DBD) à pression atmosphérique sont une bonne alternative aux plasmas froids à basse pression pour de nombreuses applications comme le traitement de surface, le dépôt de couches minces, la stérilisation etc. En effet, ils permettent de s'affranchir des systèmes de pompage et donc de réaliser des traitements sur de grandes surfaces directement implantables sur des lignes de production. Cependant, les DBD sont généralement filamentaires, ce qui conduit à des dépôts non homogènes. Dans certaines conditions expérimentales (géomé
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Darny, Thibault. "Etude de la production des espèces réactives de l’oxygène et de l’azote par décharge Plasma Gun à pression atmosphérique pour des applications biomédicales." Thesis, Orléans, 2016. http://www.theses.fr/2016ORLE2086/document.

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En l’espace d’une dizaine d’années, les jets de plasma froid à pression atmosphérique ont su s’imposer comme un outil pertinent pour les applications biomédicales. La simplicité de conception et d’utilisation de ces dispositifs, combinée à leurs facultés de produire des espèces réactives (NO, OH, O …), ont significativement contribué au développement rapide du domaine. Beaucoup d’efforts ont été entrepris dans le développement de diagnostics quantitatifs, pour mesurer la production des espèces réactives dans la plume plasma d’un jet donné. Toutefois, la diversité des géométries de décharge, de
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Chauvin, Julie. "Etude des mécanismes anti-cancéreux induits par milieux activés par jet de plasma froid : vers une nouvelle approche thérapeutique." Thesis, Toulouse 3, 2018. http://www.theses.fr/2018TOU30263/document.

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Les thérapies anticancéreuses basées sur des principes physiques (radiofréquences, ultrasons, laser, électroporation...) ont considérablement augmenté lors de la dernière décennie. Leurs objectifs sont de détruire directement les cellules cancéreuses, de favoriser l'entrée ciblée de molécules thérapeutiques ou encore de stimuler le système immunitaire du patient afin d'éliminer la tumeur. Le plasma froid suscite l'intérêt dans le domaine de l'oncologie grâce à sa capacité à générer des espèces réactives oxygénées (ROS) et azotées (RNS) qui peuvent être génotoxiques et cytotoxiques pour les cel
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Girard, Fanny. "Analyse physico-chimique de milieux liquides d’intérêt biologique exposés à des plasmas froids produits à pression atmosphérique et température ambiante." Thesis, Pau, 2017. http://www.theses.fr/2017PAUU3025/document.

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Les plasmas froids sont des gaz partiellement ionisés, très riches d’un point de vue physico-chimique. Cette propriété se retrouve dans des plasmas froids aujourd’hui générés à pression atmosphérique et température ambiante et a été mise à profit depuis une quinzaine d’années environ pour des applications biomédicales (hématologie, dermatologie, cancérologie, odontologie etc…). L’efficacité de ces plasmas froids dans le domaine de la médecine a été prouvée par de nombreuses études. Cependant, les phénomènes biologiques mis en jeu ne sont pas encore bien compris, et il primordial de savoir quel
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Gazeli, Kristaq. "Étude expérimentale de micro-plasmas froids à la pression atmosphérique générés par des hautes tensions de formes différentes." Thesis, Pau, 2015. http://www.theses.fr/2015PAUU3019/document.

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Cette thèse porte sur l'étude de micro-plasmas froids à la pression atmosphérique générés à partir de différents réacteurs des configurations basées sur le principe des Décharges à Barrière Diélectrique (DBD) et alimentés par des générateurs de tension impulsionnelle et sinusoïdale. Les plasmas sont formés dans des gaz nobles tels que l'hélium et l'argon (gaz vecteurs), et également dans des mélanges réalisés avec des gaz moléculaires tels que l'azote et l'oxygène afin de produire des Espèces Réactives de l’Azote et de l’Oxygène (ERA, ERO). La (ré)activité chimique du pla
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Fernandes, Lúcia José Araújo. "Mecanismos de ação do plasma frio atmosférico contra o cancro da bexiga." Master's thesis, 2021. http://hdl.handle.net/10316/98050.

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Dissertação de Mestrado Integrado em Engenharia Biomédica apresentada à Faculdade de Ciências e Tecnologia<br>Mundialmente, o cancro da bexiga é o 10º tumor com maior incidência e o 13º com maior mortalidade. Os medicamentos atualmente disponíveis para uso clínico não têm a eficácia desejada e apresentam efeitos secundários. O Plasma Frio Atmosférico (PFA) é um gás parcialmente ionizado, produzido a uma temperatura abaixo dos 40°C. O PFA pode ser aplicado através de um meio à base de água primeiramente exposto ao Plasma Frio Atmosférico e depois colocado em contacto com células ou tecidos, o m
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Pereira, Eurico José Gonçalves. "Plasma frio atmosférico no tratamento do cancro da bexiga." Master's thesis, 2020. http://hdl.handle.net/10316/94305.

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Dissertação de Mestrado em Investigação Biomédica apresentada à Faculdade de Medicina<br>Bladder cancer is the tenth most common and the thirteenth deadliest cancer worldwide. There are gaps in the development of new therapies for bladder cancer since drugs available in clinical use do not have the desired efficacy and show considerable side effects. The medical use of Cold Atmospheric Plasma is a promising area since, this physical state of matter, can have significant antitumor effects, with cell destruction rates of over 90%, sparing normal tissue. Cold Atmospheric Plasma is a partially ion
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Book chapters on the topic "Cold nitrogen plasma"

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Bai, Fan, and Yumin Xia. "Analysis of Reactive Oxygen/Nitrogen Species in Cold Atmospheric Plasma Activated Water." In Lecture Notes in Electrical Engineering. Springer Nature Singapore, 2024. http://dx.doi.org/10.1007/978-981-99-7393-4_63.

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Alfaro-López, H. M., Lynda Aiche, Hugues Vergnes, Bernard Despax, Brigitte Caussat, and Hubert Caquineau. "Surface Modification of Polymer Powders by a Far Cold Remote Nitrogen Plasma in Fluidized Bed." In Springer Proceedings in Physics. Springer Berlin Heidelberg, 2009. http://dx.doi.org/10.1007/978-3-540-95930-4_13.

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Ruchel Khanikar, Rakesh, and Heremba Bailung. "Cold Atmospheric Pressure Plasma Technology for Biomedical Application." In Plasma Science and Technology. IntechOpen, 2022. http://dx.doi.org/10.5772/intechopen.98895.

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Cold plasma generated in an open environment with a temperature nearly around room temperature has recently been a topic of great importance. It has unlocked the door of plasma application in a new direction: biomedical applications. Cold atmospheric pressure (CAP) plasma comprises various neutral and charged reactive species, UV radiations, electric current/fields etc., which have several impactful effects on biological matter. Some of the significant biological effects of CAP plasma are inactivation of microorganism, stimulation of cell proliferation and tissue regeneration, destruction of c
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"Basic Reflections on Cold Atmospheric Pressure Plasma Therapy." In Combination Therapies Involving Photodynamic Therapy. Royal Society of Chemistry, 2023. http://dx.doi.org/10.1039/bk9781837672226-00103.

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When a pure gas or gas mixture is passed through an electrical field, of fixed or alternating amplitude, cold plasma is produced. Cold plasma is a charged gas that consists of electrons, radicals, ions and high energy light photons. It includes and has been compared to reactive oxygen and reactive nitrogen species using gas chromatography and emission spectroscopy. It is applied directly to disease sites such as cancerous lesions, bacterially infected wounds, and burns. There are two cold atmospheric pressure plasma device types. With indirect discharge, the active plasma species are carried b
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"Combinations with Cold Atmospheric Pressure Plasma Therapy." In Combination Therapies Involving Photodynamic Therapy. Royal Society of Chemistry, 2023. http://dx.doi.org/10.1039/bk9781837672226-00274.

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Achieved under ambient conditions when a gas is passed through an electric field, cold plasma, consisting of reactive gas species, has found biomedical applications similar to those of photodynamic therapy; it kills cancer and bacterial cells and biofilms, and is effective in wound healing through infusion of the affected disease area with the reactive gas species. Most of these species are reactive oxygen and reactive nitrogen species, not unlike those generated in the type II mechanism of photodynamic therapy. This has created increasing interest in this rapidly growing therapeutic technolog
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Rasouli, Milad, Nadia Fallah, and Kostya (Ken) Ostrikov. "Lung Cancer Oncotherapy through Novel Modalities: Gas Plasma and Nanoparticle Technologies." In Lung Cancer - Modern Multidisciplinary Management. IntechOpen, 2021. http://dx.doi.org/10.5772/intechopen.95494.

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Cold atmospheric pressure plasma (CAP) is emerging as new healthcare technology and it has a high potential through physical and chemical effects for cancer treatment. Recently, CAP, plasma activated liquid (PAL), and nanomaterial have been significant advances in oncotherapy. Reactive oxygen-nitrogen species (RONS), electrical field, and other agents generated by CAP interact with cells and induce selective responses between the malignant and normal cells. Nanomedicine enhances therapeutic effectiveness and decreases the side effects of traditional treatments due to their target delivery and
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Thiyagarajan Magesh, Sarani Abdollah, and Gonzales Xavier F. "Characterization of an Atmospheric Pressure Plasma Jet and its Applications for Disinfection and Cancer Treatment." In Studies in Health Technology and Informatics. IOS Press, 2013. https://doi.org/10.3233/978-1-61499-209-7-443.

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In this work an atmospheric pressure non-thermal resistive barrier (RB) plasma jet was constructed, characterized and was applied for biomedical applications. The RB plasma source can operate in both DC (battery) as well as in standard 60/50 Hz low frequency AC excitation, and it functions effectively in both direct and indirect plasma exposure configurations. The characteristics of the RB plasma jet such as electrical properties, plasma gas temperature and nitric oxides concentration were determined using voltage-current characterization, optical emission spectroscopy and gas analyzer diagnos
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Sarafraz, Mohsen, Farid Christo, and Bernard Rolfe. "Green and Sustainable Chemical Looping Plasma Process for Ammonia and Hydrogen Production." In Energy Recovery [Working Title]. IntechOpen, 2022. http://dx.doi.org/10.5772/intechopen.104095.

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The overarching aim of this chapter is to propose a novel clean thermochemical process that harnesses thermal plasma technology to co-produce hydrogen and ammonia using a chemical looping process. The thermodynamic potential and feasibility of the process were demonstrated using a simulation of the system with aluminium and aluminium oxide as the oxygen and nitrogen carriers between the reactors. The effect of different operating parameters, such as feed ratio and temperature of the reactor, on the energetic performance of the process was investigated. Results showed that the nitridation and a
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Kitaoka, Yuki, and Junji Yodoi. "Measurement of proteinaceous plasma antioxidants, low molecular weight antioxidants, and redox related compounds." In Experimental protocols for reactive oxygen and nitrogen species. Oxford University PressOxford, 2000. http://dx.doi.org/10.1093/oso/9780198506683.003.0013.

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Abstract Adult T cell leukaemia-derived factor (ADF), originally defined as an inducer of interleukin 2 receptor/ot chain (IL-2R/p55) of human T-lymphotropic virus type I (HTLV-I) positive T cells, is a human analogue of the redox-active coenzyme thioredoxin of Escherichia coli. ADF/thioredoxin contains a redoxactive dithiol (-Cys-Gly-Pro-Cys-) and has a variety of biological activities as a hydrogen donor, including dithiol-dependent reducing activity and radical scavenging activity.
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Suvarna, Ch Malathi, Subhakar Raju R, Narender Malothu, and Chakravarthi Guntupalli. "Ethanolic Plant Extracts as Effective Antiurolithiatic Agents Against Oxalate Induced Hyperoxaluria in Wistar Rats." In Current Trends in Drug Discovery, Development and Delivery (CTD4-2022). Royal Society of Chemistry, 2023. http://dx.doi.org/10.1039/9781837671090-00704.

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High urinary calcium and oxalate levels, as well as the lack of crystallization inhibitors, are the typical factors in the formation of calcium oxalate crystals. The spesia populnea (T. pop) and Lantana camara (L. cam) are two plants best known for their alcoholic preparations, which have anti-inflammatory, antiurolithiatic, analgesic, anxiolytic, and diuretic properties. In the present study, we examined how ethanolic extracts of the chosen plants affected hyperoxaluria-induced nephrolithiasis in the rat model. The animal groups administered with plant extracts (at 400 mg kg-1) depicted a ris
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Conference papers on the topic "Cold nitrogen plasma"

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Hye-suk Choi, Jae-Sung Kwon, Eun-Mi Yoo, Kwang-mahn Kim, Kyoung-Nam Kim, and Eun Ha Choi. "Effects of tooth whitening by a cold atmospheric nitrogen plasma." In 2012 IEEE 39th International Conference on Plasma Sciences (ICOPS). IEEE, 2012. http://dx.doi.org/10.1109/plasma.2012.6383855.

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Kryachkova, N. V., A. A. Polyakova, M. M. Biryukov, et al. "CYTOSTATIC EFFECT OF COLD PLASMA JET ON HUMAN TUMOR CELLS." In X Международная конференция молодых ученых: биоинформатиков, биотехнологов, биофизиков, вирусологов и молекулярных биологов — 2023. Novosibirsk State University, 2023. http://dx.doi.org/10.25205/978-5-4437-1526-1-339.

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Cold plasma activates various processes when acting on biomolecules, including tumors. Сold plasma jet (CPJ) generates active forms of oxygen and nitrogen, and such species cause oxidative stress. This study shows an increase in active forms of nitrogen in irradiated A549 tumor cells compared to healthy Wi-38 cells. The action of CPJ on tumor cells causes cell cycle arrest, and suppresses their proliferation.
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Fronczak, Maciej. "APPLICATION OF COLD PLASMA DEPOSITED MATERIALS FOR HYDROGEN PRODUCTION: ADVANCEMENTS IN PHOTOCATALYSIS." In 17th International Conference on Fundamental and Applied Aspects of Physical Chemistry. Society of Physical Chemists of Serbia, 2024. https://doi.org/10.46793/phys.chem24i.059f.

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Plasma is a state of matter in which positively charged ions and electrons are separated and move independently. Two types of plasma can be distinguished based on the kinetic energy of electrons and other components: (i) thermal plasma, where the energy of electrons and ions is the same, and (ii) cold plasma, where electrons exhibit much higher kinetic energy than ions [1]. Both types of plasma are utilized in current scientific practices for synthesizing nanomaterials or modifying the surfaces of various materials. Within cold plasma methods, non-equilibrium plasma is particularly interesting
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Wong, W., E. Irissou, J. G. Legoux, et al. "Cold Spray Forming Inconel 718." In ITSC 2012, edited by R. S. Lima, A. Agarwal, M. M. Hyland, et al. ASM International, 2012. http://dx.doi.org/10.31399/asm.cp.itsc2012p0243.

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Abstract In this investigation, Inconel 718, a material known to cause nozzle clogging upon cold spraying, was cold spray formed to 6 mm-thick using the Plasma Giken cold spray system PCS- 1000. This was made possible due to the novel non-clogging nozzle material combined with a nozzle water cooling system. Coatings were as-spray formed using both nitrogen and helium as the propelling gasses. The resulting microstructures as well as the corresponding mechanical properties were studied. In addition, the effect of post-heat treatments was also investigated. It was found that for a given propelli
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Gotvajn, Ana, Štefan Pintarič, and Milutin Đorđević. "Use of cold plasma-activated water for the disinfection of livestock facilities." In 36. Savetovanje dezinfekcija, dezinsekcija i deratizacija jedan svet - jedno zdravlje, Vrnjačka Banja, hotel "Vrnjačke Terme", 28-31.maj 2025.godine. Srpsko veterinarsko društvo, 2024. https://doi.org/10.5937/ddd25003g.

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Maintaining appropriate hygienic conditions in livestock facilities is key to ensuring human and animal health, but we must not forget the environmental protection aspect. An innovative and sustainable approach to antimicrobial control is the use of plasma-activated water. This is water that has been treated with cold plasma - an advanced oxidation technology in which numerous chemical reactions take place. These trigger the formation of reactive oxygen and nitrogen species, lower the pH value and increase the redox potential, the key factors for its antimicrobial effect. Research has shown th
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Choudhuri, A., P. S. Mohanty, and J. Karthikeyan. "Bio-Ceramic Composite Coatings by Cold Spray Technology." In ITSC2009, edited by B. R. Marple, M. M. Hyland, Y. C. Lau, C. J. Li, R. S. Lima, and G. Montavon. ASM International, 2009. http://dx.doi.org/10.31399/asm.cp.itsc2009p0391.

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Abstract This work shows that hydroxyapatite (HA) can be cold sprayed simultaneously with titanium to form thick biocompatible coatings without compromising the phase constituents of the bioceramic material. XRD analysis indicates that the phase composition of the HA in the deposit is identical to that of the powder. The work also shows that very dense Ti and Ti-HA composite coatings can be produced using sponge Ti powders and nitrogen process gas. The adhesion strength of the cold-sprayed Ti-HA exceeded the reported values of comparable plasma-sprayed coatings.
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7

Almandoz, Rebecca, Robert W. Fletcher, and Joseph Ziegelbauer. "An Innovative and Novel Aluminum Metal Microsphere Production and Deposition Method Using a Pulsed DC Cold Plasma Process." In ASME 2023 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2023. http://dx.doi.org/10.1115/imece2023-113020.

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Abstract Metal microspheres have numerous applications including sintering, heat transfer fluids, electromagnetic fluids, catalysis and electrical components. We have now successfully produced aluminum metal microspheres using a novel method by means of a pulsed DC cold plasma process. There are two types of plasmas: hot plasma, 10,000–100,000 K, and cold plasmas with temperatures slightly above ambient room temperature. Cold plasma temperature is as high as hot plasmas, but the temperature of the neutral species is approximately ambient temperature. Cold plasma can operate in a vacuum, partia
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Zhang, Sitian, and Lingyun Chen. "Atmospheric Cold Plasma Treatment Enhanced the Pea Protein Gelling Properties and Mechanisms Study." In 2022 AOCS Annual Meeting & Expo. American Oil Chemists' Society (AOCS), 2022. http://dx.doi.org/10.21748/zput8550.

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Pea protein is increasingly used as an alternative for soy protein due to its high nutritional value and hypoallergenic status. However, high denaturation temperatures and less cysteine content of pea protein cause a weaker gelation performance than soy protein, which limited pea protein applications as gelling ingredients in food formulations. In this study, atmospheric cold plasma as a promising non-thermal technology was applied to induce the gel formation of pea protein at reduced temperatures even at 70-80 oC that is much lower than its denaturation temperature. Moreover, the formed gels
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Ermolaev, G. V., and A. V. Zaitsev. "IGNITION CONDITIONS OF A SINGLE BORON PARTICLE IN HOT GAS FLOW." In 8TH INTERNATIONAL SYMPOSIUM ON NONEQUILIBRIUM PROCESSES, PLASMA, COMBUSTION, AND ATMOSPHERIC PHENOMENA. TORUS PRESS, 2020. http://dx.doi.org/10.30826/nepcap2018-2-08.

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The basic experimental studies on boron combustion are done with the same general scheme of the experiment. Boron particles are injected into flat-flame burner products with the help of the transporting jet of cold nitrogen. Boron particle combustion process is registered with a number of optical methods. It is proposed that boron particle is injected into the main hot gas flow instantly, combustion takes place at the flame temperature and predefined oxygen concentration, and the influence of the transporting cold nitrogen jet is ignored. Recent combustion models are based mostly on this type
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Cole, M., and J. Gabzdyl. "New Developments in Thermal Spray Gas Supply Systems." In ITSC2001, edited by Christopher C. Berndt, Khiam A. Khor, and Erich F. Lugscheider. ASM International, 2001. http://dx.doi.org/10.31399/asm.cp.itsc2001p1277.

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Abstract An important aspect in the successful commercialisation of thermal spray processing is a safe and cost efficient gas supply system. As coating techniques such as High Velocity Oxygen Fuel spraying, (HVOF) High Pressure Plasma spraying (HPPS), High Pressure High Velocity Oxygen Fuel kerosene based systems (HPHVOF) and the recent developments in Cold Gas Dynamic spraying become more prominent, so the requirements on existing standard gas delivery systems designed for less demanding applications such as flame and plasma spraying need to be up-rated and improved. This work highlights rece
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Reports on the topic "Cold nitrogen plasma"

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Tummaruk, Padet, Kakanang Buranaamnuay, Wanpen Adulyanubap, Jinda Singlor, and Mongkol Techakumphu. Development of techniques for freezing boar semen. Chulalongkorn University, 2006. https://doi.org/10.58837/chula.res.2006.91.

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The objective of the present study was to investigate the feasibility of boar semen cryopreservation in Thailand and to investigate factors that could affect the boar semen quality after cryopreservation. Fifteen purebred boars (5 Landrace, 5 Yorkshire and 5 Duroc) from 2 commercial herds in Nakorn-prathom province were used in the experiment. Three ejaculates from each boar were collected with over one-week interval using gloved-hand technique. After collection, the semen was diluted with isothermal Beltsville thawing solution (BTS) extender. Diluted semen was held at 15 °C for 2 h and centri
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2

Bercovier, Herve, Raul Barletta, and Shlomo Sela. Characterization and Immunogenicity of Mycobacterium paratuberculosis Secreted and Cellular Proteins. United States Department of Agriculture, 1996. http://dx.doi.org/10.32747/1996.7573078.bard.

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Our long-term goal is to develop an efficient acellular vaccine against paratuberculosis based on protein antigen(s). A prerequisite to achieve this goal is to analyze and characterize Mycobacterium paratuberculosis (Mpt) secreted and cellular proteins eliciting a protective immune response. In the context of this general objective, we proposed to identify, clone, produce, and characterize: the Mpt 85B antigen and other Mpt immunoreactive secreted proteins, the Mpt L7/L12 ribosomal protein and other immunoreactive cellular proteins, Mpt protein determinants involved in invasion of epithelial c
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