2022 IEEE International Conference on Plasma Science (ICOPS)最新文献_第10页

3-Dimensional Semi-Analytic Model of a Microwave Driven Miniature Plasma JET 微波驱动微型等离子体射流的三维半解析模型

2022 IEEE International Conference on Plasma Science (ICOPS) Pub Date : 2022-05-22 DOI: 10.1109/ICOPS45751.2022.9813050

M. Klute, E. Kemaneci, H. Porteanu, I. Stefanović, W. Heinrich, P. Awakowicz, R. Brinkmann

引用次数: 0

The Physical Effects of Plasma Medicine on Cells: Radio Frequency Stimulated Intercellular and Intracellular Mechanical Waves 血浆药物对细胞的物理作用:射频刺激的细胞间和细胞内机械波

2022 IEEE International Conference on Plasma Science (ICOPS) Pub Date : 2022-05-22 DOI: 10.1109/ICOPS45751.2022.9813242

L. Lin, V. Soni, X. Yao, D. Yan, M. Keidar

{"title":"The Physical Effects of Plasma Medicine on Cells: Radio Frequency Stimulated Intercellular and Intracellular Mechanical Waves","authors":"L. Lin, V. Soni, X. Yao, D. Yan, M. Keidar","doi":"10.1109/ICOPS45751.2022.9813242","DOIUrl":"https://doi.org/10.1109/ICOPS45751.2022.9813242","url":null,"abstract":"In the last decade of research works upon plasma medicine using cold atmospheric plasmas (CAP), reactive oxygen and nitrogen species (RONS) are believed to be the major role of these applications. This thus raises the indirect treatments that use the plasma-treated solutions or drugs rather than treat the targeting cells or tissues directly with CAP. However, the difference between direct and indirect treatments cannot be ignored. The indirect treatment does not include the electromagnetic (EM) radiation from CAP. The latter is thus named as the physical effects of plasma medicine. Due to the surface charge on the cell membrane, the membrane oscillation under the external electric field has been reported. In this work, we developed a Michelson laser interferometer system coupled with a high-speed ICCD camera and a radio frequency (RF) emission system to capture the cell membrane and the propagation of the resulting mechanical waves. The system can observe such an oscillation in 3D and real-time. In the further analysis, we will discuss the propagation of such an oscillation, mainly a transverse wave along the cell membrane from the center to its pseudopodia, and the wave in the extracellular medium. The corresponding cancer cell viability and sensitization to cancer medicines are also analyzed. The physical effects of species transportations on the cell membrane are thus suggested.","PeriodicalId":175964,"journal":{"name":"2022 IEEE International Conference on Plasma Science (ICOPS)","volume":"35 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-05-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129051576","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Exploring Cesium and H-Beam Properties Internal to the Lansce H-Ion Source Using Resonant Absorption Spectroscopy and Cavity Ring Down Spectroscopy 用共振吸收光谱和腔衰荡光谱研究兰斯h离子源内部铯和h束的性质

2022 IEEE International Conference on Plasma Science (ICOPS) Pub Date : 2022-05-22 DOI: 10.1109/ICOPS45751.2022.9813046

D. Kleinjan, G. Rouelau, L. Neukirch

引用次数: 0

New Laser-Induced Fluorescence-Dip Spectroscopy for Weak Electric Field Measurements in Plasma 用于等离子体弱电场测量的新型激光诱导荧光dip光谱

2022 IEEE International Conference on Plasma Science (ICOPS) Pub Date : 2022-05-22 DOI: 10.1109/icops45751.2022.9813005

W. An, G. Mueller, A. Weisenburger, Z. Wang

{"title":"New Laser-Induced Fluorescence-Dip Spectroscopy for Weak Electric Field Measurements in Plasma","authors":"W. An, G. Mueller, A. Weisenburger, Z. Wang","doi":"10.1109/icops45751.2022.9813005","DOIUrl":"https://doi.org/10.1109/icops45751.2022.9813005","url":null,"abstract":"In laser-induced fluorescence-dip spectroscopy the resonance range of the Stark-shift is probed by tuning the excitation laser when measuring the absorption spectra [1] . Thus, in order to work out a single measuring point a very reproducible field distribution in the plasma over time or from pulse to pulse is required. The new method enables the measurement range to be extended to plasmas in pulsed systems with frequently poor microscale pulse-to-pulse reproducibility. The core element of the diagnostics is a special broadband dye laser for the excitation of Rydberg levels in xenon. With a bandwidth of 1 nm, it is possible to record a wide range of Stark shifts in just one measurement step. Depending on the applications, two variants of diagnostics can be used either independently or in addition: semi-quantitative determination of the one-dimensional electric field distribution stretched to the area of a few cm and spot measurement of the field strength with high spatial and spectral resolution. The proposed diagnostic enables the measurement of electric fields with high temporal (5 ns) and spatial (tens of μm) resolution with sensitivity of 200 V/cm and accuracy of 20 V/cm. However, this is not the limit of the diagnosis. The sensitivity can be lower than 100 V / cm if higher principal quantum numbers are chosen for the Rydberg levels (n> 20).","PeriodicalId":175964,"journal":{"name":"2022 IEEE International Conference on Plasma Science (ICOPS)","volume":"22 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-05-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126060603","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Assessing Magnetic Insulation in a Crossed-Field Gap 评估交叉磁场间隙中的磁绝缘

2022 IEEE International Conference on Plasma Science (ICOPS) Pub Date : 2022-05-22 DOI: 10.1109/ICOPS45751.2022.9813180

A. Komrska, L. Breen, H. Yu, A. Darr, A. Loveless, K. Cartwright, A. Garner

引用次数: 0

Dependence of Space-Charge-Limited Current Density on Electrode Thickness for A Planar Diode 平面二极管空间电荷限制电流密度与电极厚度的关系

2022 IEEE International Conference on Plasma Science (ICOPS) Pub Date : 2022-05-22 DOI: 10.1109/ICOPS45751.2022.9813319

N. R. Sree Harsha, M. Pearlman, J. Browning, A. Garner

引用次数: 0

Simulation of 2D Model of a Novel Microplasma Used for Printed Flexible Hybrid Electronics 用于印刷柔性混合电子器件的新型微等离子体二维模型仿真

2022 IEEE International Conference on Plasma Science (ICOPS) Pub Date : 2022-05-22 DOI: 10.1109/ICOPS45751.2022.9813260

A. Dhamala, N. Kandadai

引用次数: 0

Ambijet Treatment for Periimplantitis Ambijet治疗种植周炎

2022 IEEE International Conference on Plasma Science (ICOPS) Pub Date : 2022-05-22 DOI: 10.1109/ICOPS45751.2022.9813022

M. Bergmann, L. Ledernez, M. Altenburger, A. Kaufmann, T. Gros, F. Engesser, E. Buerkin

{"title":"Ambijet Treatment for Periimplantitis","authors":"M. Bergmann, L. Ledernez, M. Altenburger, A. Kaufmann, T. Gros, F. Engesser, E. Buerkin","doi":"10.1109/ICOPS45751.2022.9813022","DOIUrl":"https://doi.org/10.1109/ICOPS45751.2022.9813022","url":null,"abstract":"Cold plasma techniques previously have been shown to be effective in eliminating pathogenic bacteria and biofilm. In this work we focus on the application of a custom-made plasma jet for the in-situ disinfection of dental implants to treat periimplantitis. In order to assess the surface finish in relation to cell behavior, dental implant material was prepared as titanium discs The discs were infected with bacteria in a bioreactor and plasma-treated. Human gingival fibroblasts were seeded, cultivated and stained by conventional immunofluorescence. Differences in cell adhesion and morphology could be observed after only one day of incubation. In particular, plasma-treated discs appeared to have an advanced effect on early cell response and proliferation when compared to conventional dental implant material. Furthermore the disinfection efficancy was testet with natural biofilm with convincing results. The application of a plasma jet can not only successfully remove highly pathogenic bacteria, but also improve implant surface activation as well as accelerate cell adhesion and proliferation. Therefore, it can be considered an innovative means of treating periimplantitis. The device is developed according to medical standards and meets the stipulated requirements. With changeable applicators the device can be customized to different applications.","PeriodicalId":175964,"journal":{"name":"2022 IEEE International Conference on Plasma Science (ICOPS)","volume":"89 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-05-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125912728","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Faraday Cup Measurements of Multiple Nanosecond Pulsed High-Current Electron Beam Generation from MICDS 多重纳秒脉冲大电流电子束产生的法拉第杯测量

2022 IEEE International Conference on Plasma Science (ICOPS) Pub Date : 2022-05-22 DOI: 10.1109/ICOPS45751.2022.9813283

K. N. Islam, D. Andreev, A. Glick, C. Rodriguez, J. Rose, A. Andreev, E. Schamiloglu

{"title":"Faraday Cup Measurements of Multiple Nanosecond Pulsed High-Current Electron Beam Generation from MICDS","authors":"K. N. Islam, D. Andreev, A. Glick, C. Rodriguez, J. Rose, A. Andreev, E. Schamiloglu","doi":"10.1109/ICOPS45751.2022.9813283","DOIUrl":"https://doi.org/10.1109/ICOPS45751.2022.9813283","url":null,"abstract":"This study aims to validate analytical and PIC simulation results of generating multiple electron beams from nested magnetically insulated coaxial diodes (MICDs) at a single potential powered by a single power supply and transported in a smooth cylindrical drift tube. Previous analytical and simulation results of generating multiple electron beams are in good agreement [1] , [2] . The authors are in the process of measuring the electron beam current generated from the two thin annular beams using a Faraday cup (FC), a well-known technique to measure current from a pulsed relativistic electron beam accelerator. The SINUS-6 accelerator produces 15 ns electron beams with maximum current 4 kA at a maximum applied voltage of about 700 kV. The goal here is to produce two electron beams with comparable currents and 10-20% energy difference for a TWT [3] . We present preliminary measurements of electron beam current and current density as a function of radius with an estimate of electron beam energy from these measurements. The 45 mm diameter FC diagnostic is set up at the end of the drift tube output window where the FC probe comprises a semi-rigid coaxial cable with a center conductor connected to a graphite collector (cup). Our most recent measurements will be presented.","PeriodicalId":175964,"journal":{"name":"2022 IEEE International Conference on Plasma Science (ICOPS)","volume":"06 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-05-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127275027","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Development of Laser Induced Breakdown Spectroscopy Systems for Nuclear Power Plants 核电站激光诱导击穿光谱系统的研制

2022 IEEE International Conference on Plasma Science (ICOPS) Pub Date : 2022-05-22 DOI: 10.1109/ICOPS45751.2022.9813240

J. Wu, Y. Qiu, Z. Zhang, Y. Hang, Y. Zhou, X. Li

{"title":"Development of Laser Induced Breakdown Spectroscopy Systems for Nuclear Power Plants","authors":"J. Wu, Y. Qiu, Z. Zhang, Y. Hang, Y. Zhou, X. Li","doi":"10.1109/ICOPS45751.2022.9813240","DOIUrl":"https://doi.org/10.1109/ICOPS45751.2022.9813240","url":null,"abstract":"We report the development of laser induced breakdown spectroscopy (LIBS) techniques and systems for the applications in the nuclear power plants [1] . The plasma behaviors and their spectral properties of the fiber-delivery laser-induced plasma are compared with the conventional LIBS. The use of fiber-delivery would decrease the laser's peak irradiance, and results in weak plasma radiation and insufficient detection sensitivity [2] , [3] . Then spectral enhancement methods including dual-pulse excitation and spatial confinement are investigated to increase the sensitivity of trace elements. Calibration-based methods, including internal standardization, partial least square regression and random forest regression, are established to quantify concentration of Cr, Cu in steels and Cl in cements. In addition, the relationship between the spectral characteristics of the reactor pressure vessel samples under different thermal aging time with their vickers hardness is also established. Based on the researches above, several LIBS instruments have been developed for the measurements of different objects, including a FO-LIBS, and a telescope LIBS for the elemental analysis of the instruments such as the reactor pressure vessel and main pipes inside the containment vessel, and a dual-pulse LIBS system for the evaluation of the chlorine corrosion of the reactor containment. Recently, the developed system has been applied in the nuclear power plant for the identification of materials in nuclear environments.","PeriodicalId":175964,"journal":{"name":"2022 IEEE International Conference on Plasma Science (ICOPS)","volume":"8 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-05-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127731493","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0