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Journal articles on the topic 'Atmospheric plasma applications'

Author: Grafiati

Published: 6 September 2023

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1

Borges, Aline C., Konstantin G. Kostov, Rodrigo S. Pessoa, Geraldo M. A. de Abreu, Gabriela de M. G. Lima, Leandro W. Figueira, and Cristiane Y. Koga-Ito. "Applications of Cold Atmospheric Pressure Plasma in Dentistry." Applied Sciences 11, no. 5 (February 24, 2021): 1975. http://dx.doi.org/10.3390/app11051975.

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Plasma is an electrically conducting medium that responds to electric and magnetic fields. It consists of large quantities of highly reactive species, such as ions, energetic electrons, exited atoms and molecules, ultraviolet photons, and metastable and active radicals. Non-thermal or cold plasmas are partially ionized gases whose electron temperatures usually exceed several tens of thousand degrees K, while the ions and neutrals have much lower temperatures. Due to the presence of reactive species at low temperature, the biological effects of non-thermal plasmas have been studied for application in the medical area with promising results. This review outlines the application of cold atmospheric pressure plasma (CAPP) in dentistry for the control of several pathogenic microorganisms, induction of anti-inflammatory, tissue repair effects and apoptosis of cancer cells, with low toxicity to healthy cells. Therefore, CAPP has potential to be applied in many areas of dentistry such as cariology, periodontology, endodontics and oral oncology.

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2

Martines, Emilio. "Special Issue “Plasma Technology for Biomedical Applications”." Applied Sciences 10, no. 4 (February 24, 2020): 1524. http://dx.doi.org/10.3390/app10041524.

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The use of plasmas for biomedical applications in encountering a growing interest, especially in the framework of so-called “plasma medicine”, which aims at exploiting the action of low-power, atmospheric pressure plasmas for therapeutic purposes [...]

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3

Kobayashi, Jun. "The list of Atmospheric Plasma Applications." Seikei-Kakou 27, no. 8 (July 20, 2015): 318–22. http://dx.doi.org/10.4325/seikeikakou.27.318.

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4

Huang, Xun, Sammie Chan, and Xin Zhang. "Atmospheric Plasma Actuators for Aeroacoustic Applications." IEEE Transactions on Plasma Science 35, no. 3 (June 2007): 693–95. http://dx.doi.org/10.1109/tps.2007.896781.

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5

Weltmann, Klaus Dieter, Eckhard Kindel, Thomas von Woedtke, Marcel Hähnel, Manfred Stieber, and Ronny Brandenburg. "Atmospheric-pressure plasma sources: Prospective tools for plasma medicine." Pure and Applied Chemistry 82, no. 6 (April 20, 2010): 1223–37. http://dx.doi.org/10.1351/pac-con-09-10-35.

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Plasma-based treatment of chronic wounds or skin diseases as well as tissue engineering or tumor treatment is an extremely promising field. First practical studies are promising, and plasma medicine as an independent medical field is emerging worldwide. While during the last years the basics of sterilizing effects of plasmas were well studied, concepts of tailor-made plasma sources which meet the technical requirements of medical instrumentation are still less developed. Indeed, studies on the verification of selective antiseptic effects of plasmas are required, but the development of advanced plasma sources for biomedical applications and a profound knowledge of their physics, chemistry, and parameters must be contributed by physical research. Considering atmospheric-pressure plasma sources, the determination of discharge development and plasma parameters is a great challenge, due to the high complexity and limited diagnostic approaches. This contribution gives an overview on plasma sources for therapeutic applications in plasma medicine. Selected specific plasma sources that are used for the investigation of various biological effects are presented and discussed. Furthermore, the needs, prospects, and approaches for its characterization from the fundamental plasma physical point of view will be discussed.

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6

Bernhardt, Thoralf, Marie Luise Semmler, Mirijam Schäfer, Sander Bekeschus, Steffen Emmert, and Lars Boeckmann. "Plasma Medicine: Applications of Cold Atmospheric Pressure Plasma in Dermatology." Oxidative Medicine and Cellular Longevity 2019 (September 3, 2019): 1–10. http://dx.doi.org/10.1155/2019/3873928.

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The ability to produce cold plasma at atmospheric pressure conditions was the basis for the rapid growth of plasma-related application areas in biomedicine. Plasma comprises a multitude of active components such as charged particles, electric current, UV radiation, and reactive gas species which can act synergistically. Anti-itch, antimicrobial, anti-inflammatory, tissue-stimulating, blood flow-enhancing, and proapoptotic effects were demonstrated in in vivo and in vitro experiments, and until now, no resistance of pathogens against plasma treatment was observed. The combination of the different active agents and their broad range of positive effects on various diseases, especially easily accessible skin diseases, renders plasma quite attractive for applications in medicine. For medical applications, two different types of cold plasma appear suitable: indirect (plasma jet) and direct (dielectric barrier discharge—DBD) plasma sources. The DBD device PlasmaDerm® VU-2010 (CINOGY Technologies GmbH), the atmospheric pressure plasma jet (APPJ) kINPen® MED (INP Greifswald/neoplas tools GmbH), and the SteriPlas (Adtec Ltd., London, United Kingdom) are CE-certified as a medical product to treat chronic wounds in humans and showed efficacy and a good tolerability. Recently, the use of plasma in cancer research and oncology is of particular interest. Plasma has been shown to induce proapoptotic effects more efficiently in tumor cells compared with the benign counterparts, leads to cellular senescence, and—as shown in vivo—reduces skin tumors. To this end, a world-wide first Leibniz professorship for plasmabiotechnology in dermatology has been introduced to establish a scientific network for the investigation of the efficacy and safety of cold atmospheric plasma in dermatooncology. Hence, plasma medicine especially in dermatology holds great promise.

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7

Zablotskii, Vitalii, O. Churpita, Z. Hubicka, L. Jastrabik, and A. Dejneka. "Multijet atmospheric plasma device for biomedical applications." Plasma Medicine 1, no. 2 (2011): 135–41. http://dx.doi.org/10.1615/plasmamed.2011003215.

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8

Chen, Zhitong, and Richard E. Wirz. "Cold Atmospheric Plasma (CAP) Technology and Applications." Synthesis Lectures on Mechanical Engineering 6, no. 2 (August 2, 2021): i—191. http://dx.doi.org/10.2200/s01107ed1v01y202105mec035.

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9

Park, G. Y., S. J. Park, M. Y. Choi, I. G. Koo, J. H. Byun, J. W. Hong, J. Y. Sim, G. J. Collins, and J. K. Lee. "Atmospheric-pressure plasma sources for biomedical applications." Plasma Sources Science and Technology 21, no. 4 (June 6, 2012): 043001. http://dx.doi.org/10.1088/0963-0252/21/4/043001.

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10

Bárdos, L., and H. Baránková. "Cold atmospheric plasma: Sources, processes, and applications." Thin Solid Films 518, no. 23 (September 2010): 6705–13. http://dx.doi.org/10.1016/j.tsf.2010.07.044.

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11

Chen, Zhitong, Richard Obenchain, and Richard E. Wirz. "Tiny Cold Atmospheric Plasma Jet for Biomedical Applications." Processes 9, no. 2 (January 29, 2021): 249. http://dx.doi.org/10.3390/pr9020249.

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Conventional plasma jets for biomedical applications tend to have several drawbacks, such as high voltages, high gas delivery, large plasma probe volume, and the formation of discharge within the organ. Therefore, it is challenging to employ these jets inside a living organism’s body. Thus, we developed a single-electrode tiny plasma jet and evaluated its use for clinical biomedical applications. We investigated the effect of voltage input and flow rate on the jet length and studied the physical parameters of the plasma jet, including discharge voltage, average gas and subject temperature, and optical emissions via spectroscopy (OES). The interactions between the tiny plasma jet and five subjects (de-ionized (DI) water, metal, cardboard, pork belly, and pork muscle) were studied at distances of 10 mm and 15 mm from the jet nozzle. The results showed that the tiny plasma jet caused no damage or burning of tissues, and the ROS/RNS (reactive oxygen/nitrogen species) intensity increased when the distance was lowered from 15 mm to 10 mm. These initial observations establish the tiny plasma jet device as a potentially useful tool in clinical biomedical applications.

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12

Kang, Sung Un, Chul-Ho Kim, Sanghyun You, Da-Young Lee, Yu-Kwon Kim, Seung-Joo Kim, Chang-Koo Kim, and Hee-Kyung Kim. "Plasma Surface Modification of 3Y-TZP at Low and Atmospheric Pressures with Different Treatment Times." International Journal of Molecular Sciences 24, no. 8 (April 21, 2023): 7663. http://dx.doi.org/10.3390/ijms24087663.

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The efficiency of plasma surface modifications depends on the operating conditions. This study investigated the effect of chamber pressure and plasma exposure time on the surface properties of 3Y-TZP with N2/Ar gas. Plate-shaped zirconia specimens were randomly divided into two categories: vacuum plasma and atmospheric plasma. Each group was subdivided into five subgroups according to the treatment time: 1, 5, 10, 15, and 20 min. Following the plasma treatments, we characterized the surface properties, including wettability, chemical composition, crystal structure, surface morphology, and zeta potential. These were analyzed through various techniques, such as contact angle measurement, XPS, XRD, SEM, FIB, CLSM, and electrokinetic measurements. The atmospheric plasma treatments increased zirconia’s electron donation (γ−) capacity, while the vacuum plasma treatments decreased γ− parameter with increasing times. The highest concentration of the basic hydroxyl OH(b) groups was identified after a 5 min exposure to atmospheric plasmas. With longer exposure times, the vacuum plasmas induce electrical damage. Both plasma systems increased the zeta potential of 3Y-TZP, showing positive values in a vacuum. In the atmosphere, the zeta potential rapidly increased after 1 min. Atmospheric plasma treatments would be beneficial for the adsorption of oxygen and nitrogen from ambient air and the generation of various active species on the zirconia surface.

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Sahagian, Khoren, and Ed Prack. "Innovative Uses for Plasma Surface Conditioning in the Assembly of Electronic Devices." International Symposium on Microelectronics 2016, no. 1 (October 1, 2016): 000070–74. http://dx.doi.org/10.4071/isom-2016-tp41.

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Abstract Plasma surface conditioning is now a commonly accepted practice in many applications. Three types of plasma systems are commonly commercially used: low pressure (LP), atmospheric plasma (AP) and corona (CP). This paper compares the attributes of each of these available types. We suggest there are many applications well suited to the use of atmospheric plasma jet in electronic manufacturing. This paper provides examples of the benefits of using atmospheric plasma for applications including: improving adhesion by plasma surface modification, reduction of metal oxide surfaces and deposition of protective barrier layers for LEDs. These examples demonstrate the unique potential of atmospheric plasma jets to provide advantages in applications important in electronic assembly and manufacturing including initial characterization data, references to final applications and next steps.

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14

Limanowski, Ruby, Dayun Yan, Lin Li, and Michael Keidar. "Preclinical Cold Atmospheric Plasma Cancer Treatment." Cancers 14, no. 14 (July 16, 2022): 3461. http://dx.doi.org/10.3390/cancers14143461.

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CAP is an ionized gas generated under atmospheric pressure conditions. Due to its reactive chemical components and near-room temperature nature, CAP has promising applications in diverse branches of medicine, including microorganism sterilization, biofilm inactivation, wound healing, and cancer therapy. Currently, hundreds of in vitro demonstrations of CAP-based cancer treatments have been reported. However, preclinical studies, particularly in vivo studies, are pivotal to achieving a final clinical application. Here, we comprehensively introduced the research status of the preclinical usage of CAP in cancer treatment, by primarily focusing on the in vivo studies over the past decade. We summarized the primary research strategies in preclinical and clinical studies, including transdermal CAP treatment, post-surgical CAP treatment, CAP-activated solutions treatment, and sensitization treatment to drugs. Finally, the underlying mechanism was discussed based on the latest understanding.

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15

Tsonev, Ivan, Nikolai Atanasov, Gabriela Atanasova, Frantisek Krcma, and Todor Bogdanov. "Atmospheric Pressure Microwave Plasma Torch for Biomedical Applications." Plasma Medicine 8, no. 4 (2018): 403–9. http://dx.doi.org/10.1615/plasmamed.2019028816.

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16

Tanaka, Hiromasa, and Masaru Hori. "Medical applications of non-thermal atmospheric pressure plasma." Journal of Clinical Biochemistry and Nutrition 60, no. 1 (2017): 29–32. http://dx.doi.org/10.3164/jcbn.16-67.

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17

Petrović, Z. Lj, N. Puač, S. Lazović, D. Maletić, K. Spasić, and G. Malović. "Biomedical applications and diagnostics of atmospheric pressure plasma." Journal of Physics: Conference Series 356 (March 29, 2012): 012001. http://dx.doi.org/10.1088/1742-6596/356/1/012001.

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18

HIRATA, Takamichi, Chihiro TSUTSUI, and Akira MORI. "Regenerative Medicine Applications of the Atmospheric Pressure Plasma." Journal of the Society of Mechanical Engineers 117, no. 1148 (2014): 453–56. http://dx.doi.org/10.1299/jsmemag.117.1148_453.

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19

Kang, Won-Seok, Yong-Cheol Hong, Yoo-Beom Hong, Jae-Ho Kim, and Han Sup Uhm. "Atmospheric-pressure cold plasma jet for medical applications." Surface and Coatings Technology 205 (December 2010): S418—S421. http://dx.doi.org/10.1016/j.surfcoat.2010.08.138.

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20

Liang, Yongdong, Yinglong Li, Ke Sun, Qian Zhang, Wei Li, Weidong Zhu, Jue Zhang, and Jing Fang. "Plasma Thorns: Atmospheric Pressure Non-Thermal Plasma Source for Dentistry Applications." Plasma Processes and Polymers 12, no. 10 (March 12, 2015): 1069–74. http://dx.doi.org/10.1002/ppap.201400185.

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21

Huner, Umit, Haci Ali Gulec, and Irem Damar Huner. "Effect of gas type and application distance on atmospheric pressure plasma jet-treated flax composites." Journal of Reinforced Plastics and Composites 36, no. 17 (April 7, 2017): 1197–210. http://dx.doi.org/10.1177/0731684417703490.

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This study reports on the effect of atmospheric pressure plasma jet treatment on the flax fiber and flax-reinforced epoxy. The atmospheric pressure plasma jet was carried out by using four different gasses and various application distance in the range of 30–40 mm. The treatments were investigated by means of contact angle, attenuated total reflectance–Fourier transform infrared spectroscopy, atomic force microscopy, scanning electron microscopy and mechanical tests. Depending on the application parameters, the rate of increase in water contact angle varied from 49% to 92%. While atomic force microscopy and scanning electron microscopy investigations exhibited changed surface morphology, FTIR presented interactions at the molecular level. Improvement in mechanical properties was obtained for all atmospheric pressure plasma jet applications, while the increase in tensile strength in the composite material reached 180%, and the increase in flexural strength was 140%. The atmospheric pressure plasma jet method, according to similar plasma applications, came to the forefront with the short processing time and the intensity of the effect it created.

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22

Nozaki, Tomohiro, and Ken Okazaki. "Materials processing at atmospheric pressure: Nonequilibrium effects on nanotechnology and mega-industries." Pure and Applied Chemistry 78, no. 6 (January 1, 2006): 1157–72. http://dx.doi.org/10.1351/pac200678061157.

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Applications of atmospheric pressure nonequilibrium plasmas, because of their special advantages of forming reactive plasmas in a simple reactor, are spreading into various engineering fields, not only of materials processing, but also into energy and environment areas. Our group has explored new applications of both filamentary and diffuse barrier discharges, including the establishment of appropriate modeling, which enables better optimization of given plasma processes. More recently, microplasmas produced in submillimeter to micrometer reactors are also highlighted in association with atmospheric pressure nonequilibrium plasma because such small-scale plasmas frequently require high-density media to produce. This paper overviews our recent projects: (1) steam reforming of methane using filamentary barrier discharge; (2) deposition of carbon nanotubes in atmospheric pressure radio frequency discharge (APRFD); and (3) synthesis of silicon nanoparticles using microplasma.

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23

SAWADA, Yasushi. "Applications of Atmospheric-Pressure Glow Plasma: Practical Uses of the Atmospheric-Pressure Plasma Processing Unit "Aiplasma"." Journal of Plasma and Fusion Research 79, no. 10 (2003): 1022–28. http://dx.doi.org/10.1585/jspf.79.1022.

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24

Corbella, Carles, Sabine Portal, and Michael Keidar. "Flexible Cold Atmospheric Plasma Jet Sources." Plasma 6, no. 1 (February 16, 2023): 72–88. http://dx.doi.org/10.3390/plasma6010007.

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The properties of non-thermal atmospheric pressure plasma jets (APPJs) make them suitable for industrial and biomedical applications. They show many advantages when it comes to local and precise surface treatments, and there is interest in upgrading their performance for irradiation on large areas and uneven surfaces. The generation of charged species (electrons and ions) and reactive species (radicals), together with emitted UV photons, enables a rich plasma chemistry that should be uniform on arbitrary sample profiles. Lateral gradients in plasma parameters from multi-jets should, therefore, be minimized and addressed by means of plasma monitoring techniques, such as electrical diagnostics and optical emission spectroscopy analysis (OES). This article briefly reviews the main strategies adopted to build morphing APPJ arrays and ultra-flexible and long tubes to project cold plasma jets. Basic aspects, such as inter-jet interactions and nozzle shape, have also been discussed, as well as potential applications in the fields of polymer processing and plasma medicine.

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25

SILVA, DINNARA LAYZA SOUZA DA, MIKELLY DE LIMA FARIAS, JUSSIER DE OLIVEIRA VITORIANO, CLODOMIRO ALVES JÚNIOR, and SALVADOR BARROS TORRES. "USE OF ATMOSPHERIC PLASMA IN GERMINATION OF Hybanthus calceolaria (L.) Schulze-Menz SEEDS." Revista Caatinga 31, no. 3 (July 2018): 632–39. http://dx.doi.org/10.1590/1983-21252018v31n311rc.

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ABSTRACT Plasma technology is a fast, cost-effective, and pollution-free method that can be used in place of conventional methods to overcome seed dormancy. The goal of the present study was to determine the effect of different application times of atmospheric plasma on soaking and germination of Hybanthus calceolaria seeds in order to accelerate these processes. Helium plasma jet produced by dielectric barrier discharge was used to treat H. calceolaria seeds with applications of 1, 5, and 10 minutes. The treated seeds were characterized considering their weight variation during soaking, changes in electrical conductivity, and pH. It was found that germination depended on the plasma application time. The treatment of H. calceolaria seeds with atmospheric plasma for 1 minute provided 3.5 times greater germination in comparison to untreated seeds. Atmospheric plasma technology obtained by dielectric barrier discharge had potential of being used as a germination accelerant in H. calceolaria seeds. The treatment of H. calceolaria seeds using atmospheric plasma for 1 minute favored germination.

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26

Baniya, Hom Bahadur, Rajesh Prakash Guragain, Binod Baniya, and Deepak Prasad Subedi. "Experimental Study of Cold Atmospheric Pressure Plasma Jet and Its Application in the Surface Modification of Polypropylene." Reviews of Adhesion and Adhesives 8, no. 2 (June 30, 2020): S1—S14. http://dx.doi.org/10.7569/raa.2020.097304.

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The cold plasma technology is gaining popularity as one of the most effective tools for a wide range of applications. Cold atmospheric pressure plasma jet (CAPPJ) has attracted considerable attention in recent times for materials processing such as surface modification and biomedical applications. The cold atmospheric pressure plasma jet sustained in pure argon has been used here to modify the surface properties of polypropylene. CAPPJ has been generated by a high voltage power supply 5 kV at an operating frequency of 20 kHz. This paper reports the diagnostics of CAPPJ in argon environment by electrical and optical methods and its application in the surface modification of polypropylene (PP). The surface properties of the untreated and plasma-treated PP samples were characterized by contact angle measurements, surface free energy determination, scanning electron microscopy and Fourier transform infrared spectroscopy analysis. Most of the previous work has used RF power supply which is more expensive compared to the power supply used in the present study. The plasma jet is designed with locally available materials and can be used for continuous treatment for long time. We have successfully developed a plasma device that is able to generate a non-equilibrium atmospheric pressure argon plasma jet of low temperature. Therefore, a cost-effective system of generating a plasma jet at atmospheric pressure with potential applications in materials processing and biomedical research has been developed.

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27

Yuri S. Akishev, Yuri S. "NON-THERMAL PLASMA AT ATMOSPHERIC PRESSURE AND ITS OPPORTUNITIES FOR APPLICATIONS." IZVESTIYA VYSSHIKH UCHEBNYKH ZAVEDENII KHIMIYA KHIMICHESKAYA TEKHNOLOGIYA 62, no. 8 (August 19, 2019): 26–60. http://dx.doi.org/10.6060/ivkkt.20196208.5908.

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The subject of this review is the low-temperature (or "cold") weakly-ionized but strongly non-equilibrium plasma created at atmospheric pressure in gaseous mixtures or directly in atmospheric air. Cold plasma is rather new, but very perspective object. The strong non-equilibrium of the weakly-ionized plasma leads to that energetic electrons despite their small quantity very effectively excite and dissociate the neutral particles which are contained in surrounding gas, for example, of a molecule of oxygen and water. The pointed above property of cold plasma is valuable from the practical point of view because it allows creating in plasma-forming gas rather intensive ultra-violet radiation and high concentration of physically and biochemically reactive species (metastable atoms and molecules, radicals, ozone, and others) with rather small specific energy consumption. Now the usage of cold plasma at atmospheric pressure gives the opportunity to solve many practical problems which were earlier seeming unsolvable. It is possible even to claim that the approaches based on the use of cold plasma in dense gases define modern progress in many fields of science, biomedicine and, in particular, in the field of chemical technology. The review of modern experimental methods of creation of the cold plasma at atmospheric pressure is given. Physical and chemical features of cold plasma in dense gases have been considered. Special attention is paid to the kinetics of the charged particles in non-equilibrium plasma and the vibrationally excited molecules as well. Additionally, the kinetics of the electronic excited and metastable states is taken into account because they also influence a biochemical activity of low-temperature plasma. A lot of places is given to concrete examples of the modern practical use of such plasma in ecology for the destruction of the low-concentrated harmful organic and inorganic impurities in the exhausted airflows at atmospheric pressure.

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28

Liang, Yongdong, Yinglong Li, Ke Sun, Qian Zhang, Wei Li, Weidong Zhu, Jue Zhang, and Jing Fang. "CORRECTION: Plasma Thorns: Atmospheric Pressure Non-Thermal Plasma Source for Dentistry Applications." Plasma Processes and Polymers 12, no. 10 (August 17, 2015): 1186–87. http://dx.doi.org/10.1002/ppap.201580185.

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29

Aleinik, Aleksandr N., Aleksandr N. Baykov, Georgiy Ts Dambaev, and Evgeniy V. Semichev. "Application of Cold Atmospheric Pressure Plasmas for Biological Tissue Treatment." Advanced Materials Research 1084 (January 2015): 602–5. http://dx.doi.org/10.4028/www.scientific.net/amr.1084.602.

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New experiments using atmospheric pressure plasma have found large application in biology and medicine. Cold air plasma treatment can be used to modify the surface of different materials for a variety of applications. The emission spectroscopy data confirmed the presence of different reactive species in the discharge gap. Surface treatments using this dry plasma technology offer an environmentally friendly alternative to the conventional wet chemical methods of microorganisms destruction, biological tissue treatment, in vitro and in vivo cell treatment. The use of cold plasma technology removes contaminants at the nanometer level.

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30

Laroussi, M., and X. Lu. "Room-temperature atmospheric pressure plasma plume for biomedical applications." Applied Physics Letters 87, no. 11 (September 12, 2005): 113902. http://dx.doi.org/10.1063/1.2045549.

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31

Kolb, J. F., A. A. H. Mohamed, R. O. Price, R. J. Swanson, A. Bowman, R. L. Chiavarini, M. Stacey, and K. H. Schoenbach. "Cold atmospheric pressure air plasma jet for medical applications." Applied Physics Letters 92, no. 24 (June 16, 2008): 241501. http://dx.doi.org/10.1063/1.2940325.

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von Woedtke, Thomas, Steffen Emmert, Hans-Robert Metelmann, Stefan Rupf, and Klaus-Dieter Weltmann. "Perspectives on cold atmospheric plasma (CAP) applications in medicine." Physics of Plasmas 27, no. 7 (July 2020): 070601. http://dx.doi.org/10.1063/5.0008093.

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33

Ramamurti, Rahul, Ram P. Gandhiraman, Arlene Lopez, Pranay Doshi, Dennis Nordlund, Beomseok Kim, and M. Meyyappan. "Atmospheric Pressure Plasma Printing of Nanomaterials for IoT Applications." IEEE Open Journal of Nanotechnology 1 (2020): 47–56. http://dx.doi.org/10.1109/ojnano.2020.3009882.

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34

Farhat, Susan, Mary Gilliam, Montserrat Rabago-Smith, Casey Baran, Norm Walter, and Ali Zand. "Polymer coatings for biomedical applications using atmospheric pressure plasma." Surface and Coatings Technology 241 (February 2014): 123–29. http://dx.doi.org/10.1016/j.surfcoat.2013.10.077.

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35

Demir, Asl. "Atmospheric plasma advantages for mohair fibers in textile applications." Fibers and Polymers 11, no. 4 (July 2010): 580–85. http://dx.doi.org/10.1007/s12221-010-0580-2.

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36

Gan, Lu, Song Zhang, Devesh Poorun, Dawei Liu, Xinpei Lu, Mengwen He, Xiaoru Duan, and Hongxiang Chen. "Medical applications of nonthermal atmospheric pressure plasma in dermatology." JDDG: Journal der Deutschen Dermatologischen Gesellschaft 16, no. 1 (December 6, 2017): 7–13. http://dx.doi.org/10.1111/ddg.13373.

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37

Winter, Jörn, Thalita M. C. Nishime, Robert Bansemer, Martina Balazinski, Kristian Wende, and Klaus-Dieter Weltmann. "Enhanced atmospheric pressure plasma jet setup for endoscopic applications." Journal of Physics D: Applied Physics 52, no. 2 (November 2, 2018): 024005. http://dx.doi.org/10.1088/1361-6463/aae817.

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38

Li, Jing, Lu-Xiang Zhao, Tao He, Wei-Wu Dong, Yue Yuan, Xiang Zhao, Xin-Yi Chen, et al. "A Novel Method for Estimating the Dosage of Cold Atmospheric Plasmas in Plasma Medical Applications." Applied Sciences 11, no. 23 (November 24, 2021): 11135. http://dx.doi.org/10.3390/app112311135.

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Cold atmospheric plasmas (CAPs) used in plasma medicine have shown great potential in various aspects including wound healing, dermatology, cancer therapy, etc. It is one of the important issues to determine the plasma dosage in plasma medicine because it dominates the specific plasma treatment results. However, the multi-process interactions between CAPs and biological materials make it rather challenging to give an accurate and versatile definition for plasma dosage. In this study, the ratio of the discharge energy to the number of the treated in vitro kidney cells (mJ/cell) was employed as the unit of the plasma dosage. Additionally, inspired by basic knowledge of pharmacy, the median lethal dose (LD50) was employed to help estimate the plasma dosage. The experimental results show that the value of LD50 using the newly designed CAP Bio-Med Platform for the kidney cells is 34.67 mJ/cell. This biology-based method has the advantages of easy operation, independence of specific CAP sources, and also independence of complex interactions between CAPs and the treated biological targets, and consequently, may provide a new direction to quantitatively define the plasma dosage in various plasma medical applications.

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Milhan, Noala Vicensoto Moreira, William Chiappim, Aline da Graça Sampaio, Mariana Raquel da Cruz Vegian, Rodrigo Sávio Pessoa, and Cristiane Yumi Koga-Ito. "Applications of Plasma-Activated Water in Dentistry: A Review." International Journal of Molecular Sciences 23, no. 8 (April 8, 2022): 4131. http://dx.doi.org/10.3390/ijms23084131.

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The activation of water by non-thermal plasma creates a liquid with active constituents referred to as plasma-activated water (PAW). Due to its active constituents, PAW may play an important role in different fields, such as agriculture, the food industry and healthcare. Plasma liquid technology has received attention in recent years due to its versatility and good potential, mainly focused on different health care purposes. This interest has extended to dentistry, since the use of a plasma–liquid technology could bring clinical advantages, compared to direct application of non-thermal atmospheric pressure plasmas (NTAPPs). The aim of this paper is to discuss the applicability of PAW in different areas of dentistry, according to the published literature about NTAPPs and plasma–liquid technology. The direct and indirect application of NTAPPs are presented in the introduction. Posteriorly, the main reactors for generating PAW and its active constituents with a role in biomedical applications are specified, followed by a section that discusses, in detail, the use of PAW as a tool for different oral diseases.

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Jašek, Ondřej, Petr Synek, Lenka Zajíčková, Marek Eliáš, and Vít Kudrle. "Synthesis of Carbon Nanostructures by Plasma Enhanced Chemical Vapour Deposition at Atmospheric Pressure." Journal of Electrical Engineering 61, no. 5 (September 1, 2010): 311–13. http://dx.doi.org/10.2478/v10187-011-0049-9.

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Synthesis of Carbon Nanostructures by Plasma Enhanced Chemical Vapour Deposition at Atmospheric PressureCarbon nanostructures present the leading field in nanotechnology research. A wide range of chemical and physical methods was used for carbon nanostructures synthesis including arc discharges, laser ablation and chemical vapour deposition. Plasma enhanced chemical vapour deposition (PECVD) with its application in modern microelectronics industry became soon target of research in carbon nanostructures synthesis. Selection of the ideal growth process depends on the application. Most of PECVD techniques work at low pressure requiring vacuum systems. However for industrial applications it would be desirable to work at atmospheric pressure. In this article carbon nanostructures synthesis by plasma discharges working at atmospheric pressure will be reviewed.

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Laroussi, Mounir. "Low Temperature Plasma Jets: Characterization and Biomedical Applications." Plasma 3, no. 2 (April 3, 2020): 54–58. http://dx.doi.org/10.3390/plasma3020006.

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Baniya, Hom Bahadur, Rajesh Prakash Guragain, and Deepak Prasad Subedi. "Cold Atmospheric Pressure Plasma Technology for Modifying Polymers to Enhance Adhesion: A Critical Review." Reviews of Adhesion and Adhesives 9, no. 2 (June 2, 2021): 269–307. http://dx.doi.org/10.7569/raa.2021.097306.

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This review summarizes the results of cold atmospheric pressure plasma technology application in polymers surface treatment. Attention is given to results of changes in the hydrophilic property of polymer surfaces by incorporation of polar functional groups when exposed to atmospheric pressure plasma, depending on the time of treatment, applied voltage, gas flow rate, and distance from the surface. We have successfully developed a plasma device that is able to generate cold atmospheric pressure argon plasma of low temperature (20 – 26) ° C downstream using a high-voltage power source which can be widely used in materials processing. Therefore, a cost-effective system of generating a plasma jet at atmospheric pressure with potential applications has been developed. Cold atmospheric pressure plasma jet (CAPPJ) has shown a lot of applications in recent years such as in materials processing, surface modification, and biomedical materials processing. CAPPJ has been generated by a high voltage (0-20 kV) and high frequency (20-30 kHz) power supply.<br/> The discharge has been characterized by optical and electrical methods. In order to characterize cold atmospheric pressure argon plasma jet, its electron density, electron temperature, rotational temperature, and vibration temperature have been determined using the power balance method, intensity ratio method, Stark broadening method, and Boltzmann plot method, respectively. The improvement in hydrophilicity of the cold plasma-treated polymer samples was characterized by contact angle measurements, surface free energy analysis, Fourier transform infrared (FTIR) spectroscopy, and scanning electron microscopy (SEM). Contact angle analysis showed that the discharge was effective in improving the wettability of polymers after the treatment. Furthermore, atmospheric plasma can be effectively used to remove surface contamination and to chemically modify different polymer surfaces. The chemical changes, especially oxidation and cross-linking, enhance the surface properties of the polymers.

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Li, He‐Ping, Xiao‐Fei Zhang, Xiao‐Ming Zhu, Miao Zheng, Shu‐Fang Liu, Xuan Qi, Kai‐Peng Wang, et al. "Translational plasma stomatology: applications of cold atmospheric plasmas in dentistry and their extension." High Voltage 2, no. 3 (September 2017): 188–99. http://dx.doi.org/10.1049/hve.2017.0066.

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Benova, Evgenia, Plamena Marinova, Radka Tafradjiiska-Hadjiolova, Zafer Sabit, Dimitar Bakalov, Nikolay Valchev, Lubomir Traikov, Todor Hikov, Ivan Tsonev, and Todor Bogdanov. "Characteristics of 2.45 GHz Surface-Wave-Sustained Argon Discharge for Bio-Medical Applications." Applied Sciences 12, no. 3 (January 18, 2022): 969. http://dx.doi.org/10.3390/app12030969.

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Cold atmospheric plasma (CAP) applications in various fields, such as biology, medicine and agriculture, have significantly grown during recent years. Many new types of plasma sources operating at atmospheric pressure in open air were developed. In order to use such plasmas for the treatment of biological systems, plasma properties should fulfil strong requirements. One of the most important is the prevention from heating damage. That is why in many cases, the post-discharge region is used for treatment, but the short living particles in the active discharge zone and reactions with them are missed in that case. We use the active region of surface-wave-sustained argon plasma for biological systems treatment. The previous investigations showed good bactericidal, virucidal, seeds germination and decontamination effects at a short treatment time, but the discharge conditions for bio-medical applications need specific adjustment. A detailed theoretical and experimental investigation of the plasma characteristics and their possible optimization in order to meet the requirements for bio-medical applications are presented in this paper. The length of the plasma torch, the temperature at the treatment sample position and the microwave radiation there are estimated and optimized by the appropriate choice of discharge tube size, argon flow rate and microwave power.

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Lu, XinPei, ZhongHe Jiang, Qing Xiong, ZhiYuan Tang, XiWei Hu, and Yuan Pan. "An 11cm long atmospheric pressure cold plasma plume for applications of plasma medicine." Applied Physics Letters 92, no. 8 (February 25, 2008): 081502. http://dx.doi.org/10.1063/1.2883945.

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Baránková, Hana, and Ladislav Bardos. "Hollow cathode and hybrid atmospheric plasma sources." Pure and Applied Chemistry 80, no. 9 (January 1, 2008): 1931–37. http://dx.doi.org/10.1351/pac200880091931.

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Generation and features of the radio frequency (RF) hollow cathode discharge (HCD) are compared for the atmospheric and moderate pressures. The atmospheric-pressure plasma systems, fused hollow cathode (FHC) and hybrid hollow electrode-activated discharge (H-HEAD), are described. Examples of applications where both FHC and H-HEAD have already been employed are given, and potentials for new processes are discussed.

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Yagi-Utsumi, Maho, Tomohiro Tanaka, Yoko Otsubo, Akira Yamashita, Shinji Yoshimura, Motohiro Nishida, and Koichi Kato. "Cold Atmospheric Plasma Modification of Amyloid β." International Journal of Molecular Sciences 22, no. 6 (March 18, 2021): 3116. http://dx.doi.org/10.3390/ijms22063116.

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Cold atmospheric plasma (CAP) has attracted much attention in the fields of biotechnology and medicine owing to its potential utility in clinical applications. Recently accumulating evidence has demonstrated that CAP influences protein structures. However, there remain open questions regarding the molecular mechanisms behind the CAP-induced structural perturbations of biomacromolecules. Here, we investigated the potential effects of CAP irradiation of amyloid β (Aβ), an amyloidogenic protein associated with Alzheimer’s disease. Using nuclear magnetic resonance spectroscopy, we observed gradual spectral changes in Aβ after a 10 s CAP pretreatment, which also suppressed its fibril formation, as revealed by thioflavin T assay. As per mass spectrometric analyses, these effects were attributed to selective oxidation of the methionine residue (Met) at position 35. Interestingly, this modification occurred when Aβ was dissolved into a pre-irradiated buffer, indicating that some reactive species oxidize the Met residue. Our results strongly suggest that the H2O2 generated in the solution by CAP irradiation is responsible for Met oxidation, which inhibits Aβ amyloid formation. The findings of the present study provide fundamental insights into plasma biology, giving clues for developing novel applications of CAP.

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Astafiev, Aleksandr M., Aleksandr M. Altmark, Nikita A. Lesiv, and Alexander S. Chirtsov. "Diagnostics of Atmospheric Plasma Jets of Helium and Argon Barrier Discharge in a Cylindrical Microwave Cavity Resonator." Journal of the Russian Universities. Radioelectronics 26, no. 3 (July 6, 2023): 122–35. http://dx.doi.org/10.32603/1993-8985-2023-26-3-122-135.

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Introduction. Technologies related to the use of low-temperature atmospheric plasmas are developing at a rapid pace. Creation of new low-temperature plasma sources for specific applications requires monitoring of dynamic processes in such discharges with a high time resolution. Electron concentration is one the most important plasma characteristics, which can be very low for a low-temperature atmospheric pressure plasma. However, the methods currently available for diagnostics of gas-discharge plasmas are either characterized by insufficient sensitivity or unable to monitor dynamic processes in non-stationary discharges. In this regard, the development of new diagnostic approaches to low-temperature atmospheric plasma seems to be a relevant research direction.Aim. To develop a diagnostic method for an atmospheric plasma with a low gas temperature and a low electron concentration in a cylindrical microwave resonator.Materials and methods. The proposed diagnostic method is based on the well-known principle of measuring the frequency shift and the Q-factor of the eigenmodes of the microwave resonator, inside which the plasma under study is located.Results. Measurements of the atmospheric barrier discharge plasma jets in a helium and argon stream in a cylindrical microwave resonator were performed. The proposed geometry made it possible to significantly increase the sensitivity of measurements. It became possible to exclude the effect of polarization degeneracy in a round cylindrical resonator. The developed system was also tested on test objects with a known value of permittivity.Conclusion. A method for microwave diagnostics of stationary and non-stationary cold atmospheric plasma jets in a cylindrical resonator, inside which transmitting and receiving antennas are installed, as well as an orthogonal thin conductor preventing the excitation of undesirable modes, was developed.

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Chirokov, A., A. Gutsol, and A. Fridman. "Atmospheric pressure plasma of dielectric barrier discharges." Pure and Applied Chemistry 77, no. 2 (January 1, 2005): 487–95. http://dx.doi.org/10.1351/pac200577020487.

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The dielectric barrier discharge (DBD) has a number of industrial applications and has been a subject of research for many years. Many studies have been carried out to understand the underlying DBD physics. Despite the fact that much progress has been made, some important issues are still far from being clear. In this work, we summarize the basics of DBD physics and introduce innovative concepts of discharge behavior that were discovered recently.

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Kelar, Jakub, Jan Čech, and Pavel Slavíček. "ENERGY EFFICIENCY OF PLANAR DISCHARGE FOR INDUSTRIAL APPLICATIONS." Acta Polytechnica 55, no. 2 (April 30, 2015): 109–12. http://dx.doi.org/10.14311/ap.2015.55.0109.

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Diffuse Coplanar Surface Barrier Discharge has proven its capabilities as an industry-ready plasma source for fast, in-line and efficient plasma treatment at atmospheric pressure. One parameter required by industry is energy efficiency of the device. In this paper, we present the energy efficiency of the whole plasma system, and we investigate possible sources of errors.

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