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Artykuły w czasopismach na temat „Gas plasma sterilization”

Autor: Grafiati

Data publikacji: 3 czerwca 2025

Data aktualizacji: 31 lipca 2025

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1

Drews, Robert C. "Sterilization by plasma gas." Ophthalmology 108, no. 6 (2001): 1011. http://dx.doi.org/10.1016/s0161-6420(00)00618-7.

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Hideharu, Shintani, N. Shimizu, Y. Imanishi, A. Sakudo, U. Takuya, and E. Hotta. "Efficiency of Atmospheric Pressure Nitrogen Gas Remote Plasma Sterilization and the Clarification of Sterilization Major Factors." International Journal of Clinical Pharmacology & Toxicology (IJCPT) 4, no. 2 (2015): 150–60. https://doi.org/10.19070/2167-910X-1500027.

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Experiments reported here were conducted using atmospheric nitrogen gas remote plasma with a pulsed power source. The sterilization efficiency, major sterilization factors and most appropriate sterilization conditions were determined. By varying several factors such as hotplate temperature, relative humidity, water vapor supply location, etc., the most appropriate sterilization conditions were identified. The temperature of the hotplate was varied from 55°C to 75°C and with this 20°C increase in temperature, sterilization was completed in half the time. In this

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3

Lee, Mi Hee, Yeon I. Woo, In Seop Lee, Jeong Koo Kim, and Jong Chul Park. "Application of Hydrogen Peroxide Gas Plasma Method for Porous Polyurethane Sterilization." Key Engineering Materials 342-343 (July 2007): 905–8. http://dx.doi.org/10.4028/www.scientific.net/kem.342-343.905.

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Tissue-engineering must be either manufactured aseptically or sterilized after processing. To extend protection of medical devices against microbial contamination, various sterilization methods have been suggested. Hydrogen peroxide gas plasma sterilization has been applied in hospitals worldwide for almost a decade. In this study, we investigated the sterilization efficacy of hydrogen peroxide gas plasma sterilizer with porous polyurethane sample. The result is suggested that hydrogen peroxide gas plasma can be applicable to the sterilization of polymer scaffold for tissue engineering materia

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4

Kanemitsu, Keiji, Takayuki Imasaka, Shiho Ishikawa, et al. "A Comparative Study of Ethylene Oxide Gas, Hydrogen Peroxide Gas Plasma, and Low-Temperature Steam Formaldehyde Sterilization." Infection Control & Hospital Epidemiology 26, no. 5 (2005): 486–89. http://dx.doi.org/10.1086/502572.

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AbstractObjective:To compare the efficacies of ethylene oxide gas (EOG), hydrogen peroxide gas plasma (PLASMA), and low-temperature steam formaldehyde (LTSF) sterilization methods.Methods:The efficacies of EOG, PLASMA, and LTSF sterilization were tested using metal and plastic plates, common medical instruments, and three process challenge devices with narrow lumens. All items were contaminated with Bacillus stearothermophilus spores or used a standard biological indicator.Results:EOG and LTSF demonstrated effective killing of B. stearothermophilus spores, with or without serum, on plates, on

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5

LI, Hua, Minglei LI, Hongcheng ZHU, et al. "Realizing high efficiency and large-area sterilization by a rotating plasma jet device." Plasma Science and Technology 24, no. 4 (2022): 045501. http://dx.doi.org/10.1088/2058-6272/ac550d.

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Abstract By tilting a plasma jet and rotating 360°, a large-area can be scanned and sterilized in a short time. Compared with the previous array device, this pipe has the significant advantages of high sterilization uniformity and low gas consumption. Firstly, a rotatable plasma jet device, which can control the swing and rotation of a jet pipe, is designed, and a corresponding theoretical model is established to guide the experiment. Secondly, with Staphylococcus aureus (S. aureus) and Escherichia coli (E. coli) as the target bacteria, the device achieves a short sterilization time of 158 s—t

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6

Murai, K., Yasushi Miyano, K. Hirotani, Masahiro Tsukamoto, and Yoshio Kikuchi. "Sterilization Performance of Ultraviolet Emission from Laser Plasmas." Solid State Phenomena 107 (October 2005): 99–102. http://dx.doi.org/10.4028/www.scientific.net/ssp.107.99.

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A pulsed YAG laser beam was focused with a lens in order to produce laser plasmas by laser-induced gas breakdown inside the gas cell. The most intense UV emissions between 200 and 300 nm in wavelength was generated by the Xe gas breakdown. UV emission from laser plasma by Xe gas breakdown showed the best sterilization performance compared with those by other gas breakdown.

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7

Decina, Alessandra, Annunziata D’Orazio, Riccardo Barni, Alessandra Polissi, and Claudia Riccardi. "A Plasma Reactor for Experimental Investigation of Sterilization Processes: Preliminary Results on Escherichia Coli." International Journal of Design & Nature and Ecodynamics 16, no. 3 (2021): 275–84. http://dx.doi.org/10.18280/ijdne.160305.

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Plasma process is a promising physical method for sterilization. Due to the lack of suitable plasma diagnostics, installed in the reactors, a general lack of knowledge happens about the gas-phase chemical composition and the influence of operating parameters. The same lack of knowledge happens in case of gas plasma generated from different gases, candidates for sterilization purposes. The aim of this work is to understand the role of different agents acting in the sterilization process, evaluate the effectiveness of different precursor gases and validate the plasma reactor dedicated. A plasma

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8

Moisan, Michel, Jean Barbeau, Marie-Charlotte Crevier, Jacques Pelletier, Nicolas Philip, and Bachir Saoudi. "Plasma sterilization. Methods and mechanisms." Pure and Applied Chemistry 74, no. 3 (2002): 349–58. http://dx.doi.org/10.1351/pac200274030349.

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Utilizing a plasma to achieve sterilization is a possible alternative to conventional sterilization means as far as sterilization of heat-sensitive materials and innocuity of sterilizing agents are concerned. A major issue of plasma sterilization is the respective roles of ultraviolet (UV) photons and reactive species such as atomic and molecular radicals. At reduced gas pressure (£10 torr) and in mixtures containing oxygen, the UV photons dominate the inactivation process, with a significant contribution of oxygen atoms as an erosion agent. Actually, as erosion of the spore progresses, the nu

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9

Akishev, Yuri, Michail Grushin, Vladimir Karalnik, et al. "Atmospheric-pressure, nonthermal plasma sterilization of microorganisms in liquids and on surfaces." Pure and Applied Chemistry 80, no. 9 (2008): 1953–69. http://dx.doi.org/10.1351/pac200880091953.

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Gas discharge plasma inactivation of microorganisms at low (close to ambient) temperature is a promising area of investigation that is attracting widespread interest. This paper describes atmospheric-pressure, nonthermal plasma (NTP) methods for cold sterilization of liquids and thermal sensitive surfaces. These methods are based on the use of direct current (DC) gas discharge plasma sources fed with steady-state high voltage. Parameters characterizing the plasma sources used (plasma-forming gas, gas flow rate, electric power consumed, etc.) are given. The results for plasma sterilization of d

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10

Hauser, Joerg, Stefan-Alexander Esenwein, Peter Awakowicz, Hans-Ulrich Steinau, Manfred Köller, and Helmut Halfmann. "Sterilization of Heat-Sensitive Silicone Implant Material by Low-Pressure Gas Plasma." Biomedical Instrumentation & Technology 45, no. 1 (2011): 75–79. http://dx.doi.org/10.2345/0899-8205-45.1.75.

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Abstract Background: In recent years, plasma treatment of medical devices and implant materials has gained more and more acceptance. Inactivation of microorganisms by exposure to ultraviolet (UV) radiation produced by plasma discharges and sterilization of medical implants and instruments is one possible application of this technique. The aim of this study was to evaluate the effectiveness of this sterilization technique on silicone implant material. Methods: Bacillus atrophaeus spores (106 colony-forming units [CFUs]) were sprayed on the surfaces of 12 silicone implant material samples. Four

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11

Feng, Fada, Xianjun He, Yingying Liang, et al. "Ar plasma jet generation and its application for water and surface sterilization." E3S Web of Conferences 78 (2019): 02020. http://dx.doi.org/10.1051/e3sconf/20197802020.

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Microorganisms are widely distributed in the living environment of human, animals and plants. Some of the microorganisms are harmful for their pathogenic effects. Non-thermal plasma technology, especially, the atmospheric pressure plasma jet, is considered to be one of the promising technologies for sterilization. This work proposes a double-dielectric barrier discharge reactor for Ar plasma jet generation. Charteristics of discharge and temperature thermogram of plasma jet are investigated by the means of U-P curve and infrared image, respectively. Performance of the plasma jet is evaluated b

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12

Sakudo, Akikazu, Risa Yamashiro, and Takashi Onodera. "Recent Advances in Prion Inactivation by Plasma Sterilizer." International Journal of Molecular Sciences 23, no. 18 (2022): 10241. http://dx.doi.org/10.3390/ijms231810241.

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Prions, which cause transmissible spongiform encephalopathies (TSEs), are a notorious group of infectious agents with possibly the highest resistance to complete inactivation. Although various gas plasma instruments have been developed, studies on prion inactivation using gas plasma instruments are limited. Among them, the hydrogen peroxide gas plasma instrument, STERRAD® (Advanced Sterilization Products; ASP, Johnson & Johnson, Irvine, CA, USA), is recommended for prion inactivation of heat-sensitive medical devices. However, STERRAD® is not a plasma sterilizer but a hydrogen peroxide gas

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13

Shaheen, Eman, Abdulhadi Alhelwani, Elke Van De Casteele, Constantinus Politis, and Reinhilde Jacobs. "Evaluation of Dimensional Changes of 3D Printed Models After Sterilization: A Pilot Study." Open Dentistry Journal 12, no. 1 (2018): 72–79. http://dx.doi.org/10.2174/1874210601812010072.

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Objectives: To assess the effect of two of the most commonly used sterilization techniques on 3D printed clinical objects. Materials & Methods: The two sterilization methods used in our hospital and investigated in this paper are: Steam heat and Gas plasma. Three objects were printed and tested in this study: a tooth replica, an orthognathic final splint, a surgical cutting guide for the purpose of mandible reconstruction. For each of the 3 objects, 4 copies were made: one original STL object, one copy of the object pre-sterilization, one copy of post-steam heat sterilization, and one copy

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14

Crow, Sue, and John H. Smith. "Gas Plasma Sterilization: Application of Space-Age Technology." Infection Control and Hospital Epidemiology 16, no. 8 (1995): 483–87. http://dx.doi.org/10.2307/30141085.

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Crow, Sue, and John H. Smith. "Gas Plasma Sterilization: Application of Space-Age Technology." Infection Control and Hospital Epidemiology 16, no. 8 (1995): 483–87. http://dx.doi.org/10.1086/648365.

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16

Raad, Alaa, and Hanaa Essa. "The Impact of Argon Flow Rates on Plasma Behavior in Plasma Jet Systems for Medical Applications." Journal for Research in Applied Sciences and Biotechnology 3, no. 1 (2024): 99–108. http://dx.doi.org/10.55544/jrasb.3.1.17.

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This research presents a thorough spectroscopic investigation of atmospheric- plasma generated by a plasma jet. The study examines the plasma behavior under varying flow rates of argon gas. A primary objective is to identify the optimal flow rate that facilitates the application of the generated plasma in sterilization and bacterial eradication operations. The findings establish a correlation between argon flow and critical plasma parameters, specifically noting variations in electron temperature (Te) & electron number density (ne). Crucially, the study demonstrates that lower argon flow r

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17

Liu, Tiejian, Yuxuan Zeng, Xin Xue, et al. "He-Plasma Jet Generation and Its Application for E. coli Sterilization." Journal of Spectroscopy 2021 (February 27, 2021): 1–10. http://dx.doi.org/10.1155/2021/6671531.

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Atmospheric pressure plasma jet (APPJ) is a promising technique for the sterilization of pathogenic microorganisms in an ambient environment. In this work, a helium-APPJ was generated by double dielectric barrier discharge and applied to the sterilization of model microorganism in air and water. Discharge characteristics (including waveform and frequency of applied voltage), jet properties (such as feed gas flow rate, jet length, thermal effect, and optic emission spectra), and sterilization performance (in terms of clear/sterilized area, size of plaques, and sterilization efficiency) were inv

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18

Penna, Thereza Christina Vessoni, Carlos Augusto M. Ferraz, and Maria Águida Cassola. "The Presterilization Microbial Load on Used Medical Devices and the Effectiveness of Hydrogen Peroxide Gas Plasma AgainstBacillus SubtilisSpores." Infection Control & Hospital Epidemiology 20, no. 7 (1999): 465–72. http://dx.doi.org/10.1086/501654.

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Objectives:To determine the microbial load found on used critical medical devices (5 spinal anesthesia needles, 21 catheters, and 28 sheaths) prior to sterilization and to evaluate the effectiveness of hydrogen peroxide gas plasma against inoculatedBacillus subtilisvargiobigii(American Type Culture Collection 9372) spores.Methods:Membrane filter and pour-plate methods were applied to estimate total microbial loads (aerobic and anaerobic, mesophilic and thermophilic, vegetative and spore forms). Spinal anesthesia needles (102 units) and sheath components (61 units) were inoculated with a suspen

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19

Zhang, Xinying, Runze Fan, Miao Qi, et al. "Studies on a sinusoidally driven gas–liquid two-phase plasma discharge and its application to sterilization." AIP Advances 12, no. 11 (2022): 115218. http://dx.doi.org/10.1063/5.0100815.

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Atmospheric pressure cold plasmas are widely used in the biomedical field as evidenced by developments in recent years. In this study, a quartz tube-guided gas–liquid two-phase discharge has been configured with a hollow needle-water structure. The power source for the device was sinusoidal, and switching between a gas–liquid miscible discharge and a pure gaseous discharge was simple. It was discovered that the gas–liquid discharge was beneficial in terms of reactant species generation and reaction efficiency in terms of processing water. The types of particles, the physicochemical properties,

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20

SHINTANI, HIDEHARU, AKIKAZU SAKUDO, PETER BURKE, and GERALD McDONNELL. "Gas plasma sterilization of microorganisms and mechanisms of action." Experimental and Therapeutic Medicine 1, no. 5 (2010): 731–38. http://dx.doi.org/10.3892/etm.2010.136.

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Pugliese, Gina, and Martin S. Favero. "Epidemic of Corneal Destruction Caused by Plasma Gas Sterilization." Infection Control & Hospital Epidemiology 21, no. 11 (2000): 723. http://dx.doi.org/10.1017/s019594170004412x.

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22

Rynio, Paweł, Katarzyna Galant, Łukasz Wójcik, et al. "Effects of Sterilization Methods on Different 3D Printable Materials for Templates of Physician-Modified Aortic Stent Grafts Used in Vascular Surgery—A Preliminary Study." International Journal of Molecular Sciences 23, no. 7 (2022): 3539. http://dx.doi.org/10.3390/ijms23073539.

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Three-dimensionally-printed aortic templates are increasingly being used to aid in the modification of stent grafts in the treatment of urgent, complex aortic disorders, often of an emergency nature. The direct contact between the aortic template and the stent graft implies the necessity of complete sterility. Currently, the efficacy of sterilizing aortic templates and the effect of sterilization on the geometry of tubular aortic models are unknown. A complex case of aortic arch dissection was selected to prepare a 3D-printed aortic arch template, which was then manufactured in six popular pri

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23

Vasilets, Victor N. "PLASMACHEMICAL GENERATION OF NITRIC OXIDES IN AIR PLASMAS FOR MEDICAL APPLICATIONS." IZVESTIYA VYSSHIKH UCHEBNYKH ZAVEDENII KHIMIYA KHIMICHESKAYA TEKHNOLOGIYA 62, no. 5 (2019): 4–13. http://dx.doi.org/10.6060/ivkkt.20196205.5958.

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Nitric oxide is well known as a poly functional regulator of different physiological processes in human body and therefore could be used for therapeutic purposes in different medical applications. In this review mechanism of nitric oxide generation in gas plasma and biological mechanisms of nitric oxide containing plasma gas treatment of tissues are described. In addition to nitric oxide the other biologically active species like hydrogen peroxide and nitrogen dioxide are formed in air plasma at atmospheric pressure. Synergetic action of molecules NO/H2O2 и NO/O2, generated in plasma gas resul

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24

Elaissi, Samira, Fatemah H. Alkallas, Amira Ben Gouider Trabelsi, Lamia Abu El Maati, and Kamel Charrada. "Optimal Discharge Parameters for Biomedical Surface Sterilization in Radiofrequency AR/O2 Plasma." Energies 15, no. 4 (2022): 1589. http://dx.doi.org/10.3390/en15041589.

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Plasma parameters of radiofrequency discharge generated at low pressures in an argon-oxygen mixture addressed for biomedical surface sterilization have been optimized. Numerical results illustrate the density distributions of different species and electron temperatures during the electrical discharge process. The current discharge acting in the abnormal range decreases at higher oxygen gas flow rates. The temperature of electrons drops with pressure while it rises by adding oxygen. Nevertheless, electron density displays an adverse trend, exhibited by the electron’s temperature. The average pa

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DEILMANN, MICHAEL, HELMUT HALFMANN, NIKITA BIBINOV, JOACHIM WUNDERLICH, and PETER AWAKOWICZ. "Low-Pressure Microwave Plasma Sterilization of Polyethylene Terephthalate Bottles." Journal of Food Protection 71, no. 10 (2008): 2119–23. http://dx.doi.org/10.4315/0362-028x-71.10.2119.

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A low-pressure microwave plasma reactor was developed for sterilization of polyethylene terephthalate (PET) bottles. In contrast to the established method using aseptic filling machines based on toxic sterilants, here a microwave plasma is ignited inside a bottle by using a gas mixture of nitrogen, oxygen, and hydrogen. To that effect, a reactor setup was developed based on a Plasmaline antenna allowing for plasma ignition inside three-dimensional packages. A treatment time below 5 s is provided for a reduction of 105 and 104 CFU of Bacillus atrophaeus and Aspergillus niger, respectively, veri

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26

Fajar, Muhamad Ibnu, Elfahra Casanza Amalda, Muhammad Ali Akram Syah, and Nurussa’adah. "Design of a Switching Flyback Transformer as High Voltage and Frequency Power Supply for Raw Milk Cold Plasma Sterilization." International Journal of Science, Technology & Management 1, no. 3 (2020): 230–36. http://dx.doi.org/10.46729/ijstm.v1i3.50.

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Plasma is one of the four fundamentals states of matter other than solid, liquid and gas. In terms of temperature, plasma can be classified into Hot Plasma occurs in thermal equilibrium, Thermal Plasma occurs in non-thermal equilibrium, Cold Plasma occurs in non-thermal equilibrium Cold plasma is an ultra-fast method of sterilization that operates under ambient temperatures (ideal for thermolabile products) at a low running cost and is environment-friendly. Therefore, technology is needed to solve the problem through the innovation of a milk sterilization machine with the principle of non-ther

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Reeves, E. A., D. C. Barton, D. P. FitzPatrick, and J. Fisher. "Comparison of gas plasma and gamma irradiation in air sterilization on the delamination wear of the ultra-high molecular weight polyethylene used in knee replacements." Proceedings of the Institution of Mechanical Engineers, Part H: Journal of Engineering in Medicine 214, no. 3 (2000): 249–55. http://dx.doi.org/10.1243/0954411001535741.

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Early failure of knee replacements is thought to be due to the combination of sterilization by gamma irradiation in air and the high cyclic stresses that they endure during use. Such failures are shown through delamination and permanent deformation of the ultra-high molecular weight polyethylene (UHMWPE) component. This study investigated whether gas plasma sterilization, as an alternative to gamma irradiation in air, would give better performance after ageing in a knee replacement using a metal pin on polymer plate wear test. Fourier transform infrared (FTIR) analysis was performed on the com

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WATANABE, Satoshi, Teppei HIRAOKA, Satoshi HONDA, Takeshi TANAKA, Toshinori TAKAGI, and Mitsuhiro YOSHIDA. "Sterilization Process by Plasma Source Ion Implantation Using Inactive Gas." SHINKU 46, no. 3 (2003): 333–36. http://dx.doi.org/10.3131/jvsj.46.333.

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Pugliese, Gina, and Martin S. Favero. "Hydrogen Peroxide Gas-Plasma Sterilization Studies on Viruses and Oocysts." Infection Control & Hospital Epidemiology 19, no. 7 (1998): 520. http://dx.doi.org/10.1017/s0195941700088184.

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Duffy, Rosemary E. "An Epidemic of Corneal Destruction Caused by Plasma Gas Sterilization." Archives of Ophthalmology 118, no. 9 (2000): 1167. http://dx.doi.org/10.1001/archopht.118.9.1167.

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Rogez-Kreuz, C., R. Yousfi, C. Soufflet, et al. "Inactivation of Animal and Human Prions by Hydrogen Peroxide Gas Plasma Sterilization." Infection Control & Hospital Epidemiology 30, no. 8 (2009): 769–77. http://dx.doi.org/10.1086/598342.

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Prions cause various transmissible spongiform encephalopathies. They are highly resistant to the chemical and physical decontamination and sterilization procedures routinely used in healthcare facilities. The decontamination procedures recommended for the inactivation of prions are often incompatible with the materials used in medical devices. In this study, we evaluated the use of low-temperature hydrogen peroxide gas plasma sterilization systems and other instrument-processing procedures for inactivating human and animal prions. We provide new data concerning the efficacy of hydrogen peroxid

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32

Xu, Dehui, Xinying Zhang, Jin Zhang, Rui Feng, Shuai Wang, and Yanjie Yang. "Metabolomics of Pseudomonas aeruginosa Treated by Atmospheric-Pressure Cold Plasma." Applied Sciences 11, no. 22 (2021): 10527. http://dx.doi.org/10.3390/app112210527.

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With increasing drug resistance of Pseudomonas aeruginosa, a new sterilization method is needed. Plasma has been shown to be an effective method of sterilization, but no researchers have studied the effect of plasma on bacterial metabolism. In this paper, we studied the emission spectrum, liquid phase active particles, and other physical and chemical properties of a portable plasma device. Pseudomonas aeruginosa were then treated with activated water generated by surface plasma discharge. Using gas chromatography time-of-flight mass spectrometry (GC-TOF-MS) and Kyoto Encyclopedia of Genes and

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Rutala, William A., Maria F. Gergen, Emily E. Sickbert-Bennett, and David J. Weber. "Comparative evaluation of the microbicidal activity of low-temperature sterilization technologies to steam sterilization." Infection Control & Hospital Epidemiology 41, no. 4 (2020): 391–95. http://dx.doi.org/10.1017/ice.2020.2.

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AbstractObjective:To compare the microbicidal activity of low-temperature sterilization technologies (vaporized hydrogen peroxide [VHP], ethylene oxide [ETO], and hydrogen peroxide gas plasma [HPGP]) to steam sterilization in the presence of salt and serum to simulate inadequate precleaning.Methods:Test carriers were inoculated with Pseudomonas aeruginosa, Escherichia coli, Staphylococcus aureus, vancomycin-resistant Enterococcus, Mycobacterium terrae, Bacillus atrophaeus spores, Geobacillus stearothermophilus spores, or Clostridiodes difficile spores in the presence of salt and serum and then

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Vassal, Serge, Loïc Favennec, Jean-Jacques Ballet, and Philippe Brasseur. "Hydrogen peroxide gas plasma sterilization is effective against Cryptosporidium parvum oocysts." American Journal of Infection Control 26, no. 2 (1998): 136–38. http://dx.doi.org/10.1016/s0196-6553(98)80032-1.

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Lassen, Klaus S., Bolette Nordby, and Reinar Grün. "Optimization of a RF-generated CF4/O2 gas plasma sterilization process." Journal of Biomedical Materials Research 65B, no. 2 (2003): 239–44. http://dx.doi.org/10.1002/jbm.b.10004.

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Mohamed, Abdel-Aleam H., Abdulrahman H. Basher, Jamal Q. M. Almarashi, and Salama A. Ouf. "Susceptibility of Staphylococcus epidermidis to Argon Cold Plasma Jet by Oxygen Admixture." Applied Sciences 11, no. 8 (2021): 3455. http://dx.doi.org/10.3390/app11083455.

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Cold atmospheric pressure sterilization is one of the nominated and efficient techniques to prevent the spread of diseases. Reactive species such as O and OH and other radicals play a major role in the mechanism of plasma sterilization. Therefore, in this work, oxygen was mixed with different parentage from (0.2 to 1.2%) to argon to enhance the generation of the reactive species and increase the argon atmospheric pressure plasma sterilization efficacy. The emission spectra from the jet increase the radicle line intensities by increasing the percentage admixture of O2 with the argon gas to reac

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Elaissi, Samira, and Norah A. M. Alsaif. "Modelling of Nonthermal Dielectric Barrier Discharge Plasma at Atmospheric Pressure and Role of Produced Reactive Species in Surface Polymer Microbial Purification." Polymers 15, no. 5 (2023): 1235. http://dx.doi.org/10.3390/polym15051235.

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A nonthermal atmospheric plasma reactor was used to sterilize polymer surfaces and satisfy safety constraints in a biological medium. A 1D fluid model was developed using COMSOL Multiphysics software® 5.4 with a helium–oxygen mixture at low temperature for the decontamination of bacteria on polymer surfaces. The dynamic behavior of the discharge parameters including the gas gap voltage, the discharge current, the consumed power, and transport charges were studied to analyze the evolution of the homogeneous dielectric barrier discharge (DBD). In addition, the electrical characteristics of a hom

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Hammudi, Riyam Adnan, Yamam Adnan Hammudi, Ali Aqeel Salim, et al. "Plasma in Dentistry." Malaysian Journal of Fundamental and Applied Sciences 19, no. 3 (2023): 332–36. http://dx.doi.org/10.11113/mjfas.v19n3.2904.

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Plasma technologies are mostly used in dentistry; our work focuses on Plasma scopes and plasma applications in dentistry. We will directly deliberate about liquid, solid, and gas only without sophisticated about the fourth state (Plasma), which is the most abundant and the most important state and is considered the new technology in dentistry that may create a revolution in this field as a painless free technology in all dental fields. The study results showed that cold atmospheric Plasma could be a new and painless method before the preparation of the cavities. Also, it is very effective in b

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Todorova, Yovana, Ivaylo Yotinov, Yana Topalova, et al. "Innovative sterilization technology - bacterial inactivation by cold argon plasma." BioDiscovery 20 (November 3, 2017): e21977. https://doi.org/10.3897/biodiscovery.20.e21977.

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Non-thermal (cold) plasma is subject of intensive scientific interest as an alternative sterilization technique for advanced control of microbial quality and safety in food biotechnology. The cold plasma is a flow of weakly ionized gas at atmospheric pressure that includes radicals, H<sub>2</sub>O<sub>2</sub>, O<sub>3</sub>, ultraviolet radiation, charged particles, exited metastable atoms, electric fields. One of the major benefits of plasma-based technologies is the synergy between the strong effects of these highly active components that provides a high bactericidal efficiency at low costs,

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Rutala, William, Maria Gergen, Emily Sickbert-Bennett, and David Jay Weber. "Comparative Evaluation of the Microbicidal Activity of Low-Temperature Sterilization Technologies to Steam Sterilization." Infection Control & Hospital Epidemiology 41, S1 (2020): s176—s177. http://dx.doi.org/10.1017/ice.2020.707.

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Background: Most medical and surgical devices used in healthcare facilities are made of materials that are sterilized by heat (ie, heat stable), primarily steam sterilization. Low-temperature sterilization methods developed for heat and moisture sensitive devices include ethylene oxide gas (ETO), hydrogen peroxide gas plasma (HPGP), vaporized hydrogen peroxide (VHP), and hydrogen peroxide plus ozone. This study is the first to evaluate the microbicidal activity of the FDA-cleared VHP sterilizer and other methods (Table 1) in the presence of salt and serum (10% FCS). Methods: Brushed stainless

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Matsui, Kei, Noriaki Ikenaga, and Noriyuki Sakudo. "Effects of humidity on sterilization ofGeobacillus stearothermophilusspores with plasma-excited neutral gas." Japanese Journal of Applied Physics 54, no. 6S2 (2015): 06GD02. http://dx.doi.org/10.7567/jjap.54.06gd02.

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Pugliese, Gina, and Martin S. Favero. "Inactivation of Duck Hepatitis B Virus by Hydrogen Peroxide Gas Plasma Sterilization." Infection Control & Hospital Epidemiology 20, no. 7 (1999): 462. http://dx.doi.org/10.1017/s0195941700068818.

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Sharma, Vinita, Katsuhiko Hosoi, Tamio Mori, and Shin-ichi Kuroda. "Electrical and Optical Characterization of Cold Atmospheric Pressure Plasma Jet and the Effects of N₂Gas on Argon Plasma Discharge." Applied Mechanics and Materials 268-270 (December 2012): 522–28. http://dx.doi.org/10.4028/www.scientific.net/amm.268-270.522.

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In this study, we conducted experiments to investigate the electrical and optical characteristics of a non-equilibrium Ar-N2 plasma discharge at atmospheric pressure. To obtain the plasma discharge we used our indigenously designed plasma generating device named CAPPLAT (Cold Atmospheric Pressure Plasma Torch) which was manufactured by Cresur Corporation. The plasma discharge obtained with only Ar gas was quite filamentary. So, to achieve a homogeneous discharge N2 gas was admixed. The effects of different volumes of admixed N2 gas were also studied. The optical emission spectroscopy was used

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Bryce, E. A., E. Chia, G. Logelin, and J. A. Smith. "An Evaluation of the AbTox Plazlyte Sterilization System." Infection Control & Hospital Epidemiology 18, no. 09 (1997): 649–53. http://dx.doi.org/10.1086/647691.

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Abstract Objective: To evaluate the efficacy of the AbTox Plazlyte Sterilization System against selected microbial species using inoculated carriers and surgical instruments. Setting: The microbiology laboratory of a 700-bed adult tertiary-care hospital. Design: The study was conducted in two phases. In phase 1, microorganisms were inoculated to various metal, paper, plastic, and glass carriers, as well as surgical equipment, and processed in cycle II of the AbTox sterilizer. Phase 2 compared AbTox cycle III with ethylene oxide sterilization using stainless steel washers, penicylinders, and su

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Foster, John E., and Maria C. Garcia. "Promise of nonthermal plasmas in addressing emerging environmental and health problems: Present and future." Physics of Plasmas 29, no. 6 (2022): 060601. http://dx.doi.org/10.1063/5.0083766.

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Nonthermal atmospheric pressure plasmas transform input electrical energy efficiently into reactive species, charged particles, and photons. This “activated gas” is being investigated as solutions for a range of environmental and health problems facing society today. In this Perspective, we take a cursory look at a few of these societal problems and the reflected role that plasmas may play in charting the pathway to a solution buoyed by supporting research. Here, we survey the plasma-based opportunities in the removal of trace contaminants in water supporting methodologies such as water reuse,

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Joaquin, Jonathan C., Calvin Kwan, Nina Abramzon, Kurt Vandervoort, and Graciela Brelles-Mariño. "Is gas-discharge plasma a new solution to the old problem of biofilm inactivation?" Microbiology 155, no. 3 (2009): 724–32. http://dx.doi.org/10.1099/mic.0.021501-0.

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Conventional disinfection and sterilization methods are often ineffective with biofilms, which are ubiquitous, hard-to-destroy microbial communities embedded in a matrix mostly composed of exopolysaccharides. The use of gas-discharge plasmas represents an alternative method, since plasmas contain a mixture of charged particles, chemically reactive species and UV radiation, whose decontamination potential for free-living, planktonic micro-organisms is well established. In this study, biofilms were produced using Chromobacterium violaceum, a Gram-negative bacterium present in soil and water and

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Kasa, Renaldo Apriandi, Unggul Pundjung Juswono, and Dionysius Joseph Djoko Herry Santjojo. "Identification of Reactive Species Produced by Surfaces Dielectric Barrier Discharge Nonthermal Plasma with Gas Sources Variation (Air, N2, O2) to Kill Bacteria." Jurnal Penelitian Pendidikan IPA 8, no. 4 (2022): 2371–77. http://dx.doi.org/10.29303/jppipa.v8i4.2167.

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Non-thermal plasma is one of the new techniques that is being focused on in the medical world, one of which is used for sterilization because non-thermal plasma is known to have a bactericidal effect. Reactive species produced by non-thermal plasma are antimicrobial. One factor affecting plasma species' reactive composition is the gas source used. Therefore, this study aimed to determine the effect of reactive species produced from non-thermal plasma generation of SDBD using different gas sources, namely free air, oxygen, and nitrogen, in treating Escherichia Coli bacteria. The gas flow used i

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Yepez, Ximena, Alba E. Illera, Haci Baykara, and Kevin Keener. "Recent Advances and Potential Applications of Atmospheric Pressure Cold Plasma Technology for Sustainable Food Processing." Foods 11, no. 13 (2022): 1833. http://dx.doi.org/10.3390/foods11131833.

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In a circular economy, products, waste, and resources are kept in the system as long as possible. This review aims to highlight the importance of cold plasma technology as an alternative solution to some challenges in the food chain, such as the extensive energy demand and the hazardous chemicals used. Atmospheric cold plasma can provide a rich source of reactive gas species such as radicals, excited neutrals, ions, free electrons, and UV light that can be efficiently used for sterilization and decontamination, degrading toxins, and pesticides. Atmospheric cold plasma can also improve the util

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Grabow, Niels, Martin Schlun, Katrin Sternberg, Nico Hakansson, Sven Kramer, and Klaus-Peter Schmitz. "Mechanical Properties of Laser Cut Poly(L-Lactide) Micro-Specimens: Implications for Stent Design, Manufacture, and Sterilization." Journal of Biomechanical Engineering 127, no. 1 (2005): 25–31. http://dx.doi.org/10.1115/1.1835349.

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Background: The development of endoluminal stents from polymeric materials requires an understanding of the basic mechanical properties of the polymer and the effects of manufacturing and sterilization on those properties. Methods: Pure poly(L-lactide) (PLLA) and PLLA containing varying amounts of triethylcitrate (TEC) as a plasticizer (5-10-15%) were studied. The specimens were solution-cast and CO2 laser-cut. Specimen dimensions were adapted to the strut size of polymeric vascular stents. The properties of the PLLA micro-specimens were assessed before and after sterilization (EtO cold gas, H

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Markowicz, M., E. Koellensperger, G. C. M. Steffens, M. Frentz, N. Schrage, and N. Pallua. "The impact of vacuum freeze-drying on collagen sponges after gas plasma sterilization." Journal of Biomaterials Science, Polymer Edition 17, no. 1-2 (2006): 61–75. http://dx.doi.org/10.1163/156856206774879135.

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