Conferences related to Decontamination

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2021 IEEE Photovoltaic Specialists Conference (PVSC)

Photovoltaic materials, devices, systems and related science and technology


2021 IEEE Pulsed Power Conference (PPC)

The Pulsed Power Conference is held on a biannual basis and serves as the principal forum forthe exchange of information on pulsed power technology and engineering.


2020 IEEE 29th International Symposium on Industrial Electronics (ISIE)

ISIE focuses on advancements in knowledge, new methods, and technologies relevant to industrial electronics, along with their applications and future developments.


2020 IEEE International Conference on Plasma Science (ICOPS)

IEEE International Conference on Plasma Science (ICOPS) is an annual conference coordinated by the Plasma Science and Application Committee (PSAC) of the IEEE Nuclear & Plasma Sciences Society.


2020 IEEE International Power Modulator and High Voltage Conference (IPMHVC)

This conference provides an exchange of technical topics in the fields of Solid State Modulators and Switches, Breakdown and Insulation, Compact Pulsed Power Systems, High Voltage Design, High Power Microwaves, Biological Applications, Analytical Methods and Modeling, and Accelerators.


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Periodicals related to Decontamination

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Applied Superconductivity, IEEE Transactions on

Contains articles on the applications and other relevant technology. Electronic applications include analog and digital circuits employing thin films and active devices such as Josephson junctions. Power applications include magnet design as well asmotors, generators, and power transmission


Biomedical Engineering, IEEE Transactions on

Broad coverage of concepts and methods of the physical and engineering sciences applied in biology and medicine, ranging from formalized mathematical theory through experimental science and technological development to practical clinical applications.


Computer Graphics and Applications, IEEE

IEEE Computer Graphics and Applications (CG&A) bridges the theory and practice of computer graphics. From specific algorithms to full system implementations, CG&A offers a strong combination of peer-reviewed feature articles and refereed departments, including news and product announcements. Special Applications sidebars relate research stories to commercial development. Cover stories focus on creative applications of the technology by an artist or ...


Dielectrics and Electrical Insulation, IEEE Transactions on

Electrical insulation common to the design and construction of components and equipment for use in electric and electronic circuits and distribution systems at all frequencies.


Electron Devices, IEEE Transactions on

Publishes original and significant contributions relating to the theory, design, performance and reliability of electron devices, including optoelectronics devices, nanoscale devices, solid-state devices, integrated electronic devices, energy sources, power devices, displays, sensors, electro-mechanical devices, quantum devices and electron tubes.


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Most published Xplore authors for Decontamination

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Xplore Articles related to Decontamination

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Characteristics of atmospheric pressure plasma decontamination of endoscopic channels

2012 Abstracts IEEE International Conference on Plasma Science, 2012

This paper reports an electrical and optical characterization study of an atmospheric pressure plasma generator used for decontaminating endoscopic channels. In order to sustain such plasma in a narrow channel of up to one meter, two electrode configurations are discussed. Plasma characteristics such as the discharge current, dissipated power, gas temperature are measured, together with optical emission spectroscopic measurements. These ...


A pulse power flashlamp system for water decontamination

Digest of Technical Papers. PPC-2003. 14th IEEE International Pulsed Power Conference (IEEE Cat. No.03CH37472), 2003

The emerging threat of water borne pathogens has significantly heightened the requirements for point of use and point of distribution water treatment systems. One such system, based on flow through ultraviolet reactors, is viewed by many today as the technology of choice for small-scale water treatment systems. However, existing reactor technology is based on continuous wave ultraviolet lamps that require ...


The research on atmospheric pressure glow-like discharge plasma

The 33rd IEEE International Conference on Plasma Science, 2006. ICOPS 2006. IEEE Conference Record - Abstracts., 2006

Summary form only given. At present, we develop a plasma chamber to research into the decontamination of plasma at atmospheric pressure. The electrode system consists of the coaxial bar electrode and barrel electrode which is covered with a quartz tube. In order to increase the plasma amount, nine of these electrode systems are installed in parallel. We use a 10-30 ...


Behavior of Historical Printing Inks on Paper in High-Frequency Cold Plasma Discharges

IEEE Transactions on Plasma Science, 2019

This paper reports on the behavior of red and black ink from a historical printed book, subjected to a plasma discharge treatment, applied for the decontamination and cleaning of naturally aged paper. As some preliminary experiments using high-frequency (HF) plasma showed a slight fading of red ink, the study was focused on the comparison of HF cold plasma and afterglow ...


Portable nonequilibrium plasma surface decontamination system

IEEE Conference Record - Abstracts. PPPS-2001 Pulsed Power Plasma Science 2001. 28th IEEE International Conference on Plasma Science and 13th IEEE International Pulsed Power Conference (Cat. No.01CH37, 2001

Summary form only given, as follows. InnovaTek is developing a surface decontamination technology that utilizes active species generated in a nonequilibrium corona plasma. In tests conducted at InnovaTek, our prototype device destroyed more than 6 million spores per square inch of an anthrax simulant, Bacillus subtillis, var. niger in 60 seconds. Destruction efficiencies in 60 seconds were as high as ...


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IEEE-USA E-Books

  • Characteristics of atmospheric pressure plasma decontamination of endoscopic channels

    This paper reports an electrical and optical characterization study of an atmospheric pressure plasma generator used for decontaminating endoscopic channels. In order to sustain such plasma in a narrow channel of up to one meter, two electrode configurations are discussed. Plasma characteristics such as the discharge current, dissipated power, gas temperature are measured, together with optical emission spectroscopic measurements. These are used to seek the optimal plasma conditions by means of scoping the range of the gas composition, the gas flow rate, and the excitation frequency as well as different electrode designs. Results of electrical and optical measurements are then linked to efficacy data of plasma inactivation of bacteria and proteins that are common contaminants on medical instruments following surgery. Based on these relationships, discussions are made of possible scope of decontamination efficacy.

  • A pulse power flashlamp system for water decontamination

    The emerging threat of water borne pathogens has significantly heightened the requirements for point of use and point of distribution water treatment systems. One such system, based on flow through ultraviolet reactors, is viewed by many today as the technology of choice for small-scale water treatment systems. However, existing reactor technology is based on continuous wave ultraviolet lamps that require a warm-up phase and must be kept on continuously in point of use systems: resulting in inefficient power utilization and reduced lamp lifetime. As an adjunct to reactor technology, pulse power based flashlamp systems are being developed as an alternative to the continuous lamp systems. The target pathogens include, but are not limited to, cryptosporium parvum, escherichia coli O157:H7, and viruses. The design parameters required to achieve the 10/sup 8/-10/sup 9/ pulse lifetimes required for commercial point of use systems and small, instant start systems are presented. Parameters including, peak current, explosion limit, conversion efficiency and lifetime considerations for xenon flashlamps are discussed along with the effect of pulsed ultraviolet light on escherichia coli.

  • The research on atmospheric pressure glow-like discharge plasma

    Summary form only given. At present, we develop a plasma chamber to research into the decontamination of plasma at atmospheric pressure. The electrode system consists of the coaxial bar electrode and barrel electrode which is covered with a quartz tube. In order to increase the plasma amount, nine of these electrode systems are installed in parallel. We use a 10-30 kHz high voltage power to excite stable plasma. When plasma is generated, many short- lived and narrow streamers can be observed by a fast-camera. In this paper, we will generalize the regularity of this glow-like discharge at different power source frequency, and demonstrate the relationship among flashover voltage, source frequency and variety of working gas. At the same time, the photographs are provided. As at RF frequencies (>10 MHz), the working gas breaks down at only a few hundreds volts far away from that of the kHz frequencies, we also tend to analyze why kHz and MHz domain have different breakdown volts from microscopic views

  • Behavior of Historical Printing Inks on Paper in High-Frequency Cold Plasma Discharges

    This paper reports on the behavior of red and black ink from a historical printed book, subjected to a plasma discharge treatment, applied for the decontamination and cleaning of naturally aged paper. As some preliminary experiments using high-frequency (HF) plasma showed a slight fading of red ink, the study was focused on the comparison of HF cold plasma and afterglow plasma treatments in order to get conclusive information on the effect of plasma active species on the red ink. Energy Dispersive X-ray Scanning Electron Microscopy SEM-EDX and Attenuated Total Reflection Fourier-Transform Infrared Spectroscopy FTIR-ATR analyses were used for the identification of inks and binder, while the impact of plasma on inks was assessed by SEM analysis and color determinations. The experiments have been performed on an especially designed modular equipment, allowing the samples to be subjected alternately to HF cold plasma or afterglow plasma treatment. The study proved that direct HF plasma could result in a more important deterioration at treatment duration exceeding 5 min, while in afterglow plasma, this discoloration is not observable. The color fading is imputable to the corrosion of pigment crystallites produced by direct plasma discharge.

  • Portable nonequilibrium plasma surface decontamination system

    Summary form only given, as follows. InnovaTek is developing a surface decontamination technology that utilizes active species generated in a nonequilibrium corona plasma. In tests conducted at InnovaTek, our prototype device destroyed more than 6 million spores per square inch of an anthrax simulant, Bacillus subtillis, var. niger in 60 seconds. Destruction efficiencies in 60 seconds were as high as 98% for plastic, 99.9% for aluminum and 99.4% for cotton surfaces. Five-minute treatments resulted in a login reduction greater than three. Treatment did not harm the surfaces of the materials being decontaminated. The plasma technology was also tested against DMMP, a simulant for the chemical agent Sarin. Greater than a four log/sub 10/ destruction of the DMMP on an aluminum surface was achieved in a 10 minute treatment. An ion-trap mass spectrometer was utilized to collect time-resolved data on the treatment off-gases. These data indicate that only non-toxic fragments of the broken down DMMP molecule were present in the gas phase.

  • Development of atmospheric dielectric barrier discharge system for industrial application

    Summary form only given, as follows. Atmospheric Dielectric Barrier Discharge (ADBD) is widely used in industrial applications, such as chemical and biological decontamination of air, cleaning of PCB and surface treatment of polymer. While, most of the research results are confined in geometry of parallel electrode with dielectric surface, a new type of DBD is proposed to extend applications of DBD. Ribbon-type plasma is characterized by electrical and emission spectroscopic method. Application to PCB cleaning will be addressed.

  • Plasma destruction of battlefield chemical and biological warfare agents

    Summary form only given, as follows. Thermal plasmas are being evaluated for use in the destruction of deadly chemical and biological warfare agents. The technology approach consists of employing an electric arc to establish a plasma forming gas plume used to kill the harmful agents. The approach has been demonstrated on surrogate chemical and biological warfare agents. The harmful agents are rapidly destroyed, e.g., within a few seconds. Three different plasmas have been evaluated for their effectiveness to destroy harmful agents. The approaches used include nitrogen plasma, air plasma and a novel water plasma arcjet. The work incorporates an evaluation of the durability of the plasma arcjet technology for this application, e.g., cyclic life and steady-state durability. The follow-on phase of this project will result in a prototype system development suitable for field application. Anticipated benefits are the development of an effective system that will allow rapid and f-effective decontamination of surfaces that have been contaminated with chemical and biological warfare agents. No harmful byproducts will be produced. Additionally, the methods developed have application in the destruction of medical wastes, hazardous industrial wastes and in the destruction of hazardous materials associated with worldwide demilitarization activities.

  • Simulation of marine ecosystem based on non-linear dynamics model

    Based on the inter-relations between resources system, environment and ecosystem potential economic values under the frame of marine ecosystem, a marine ecosystem nonlinear system dynamics model is established in this paper. Then the marine ecosystem is simulated by the use of MATLAB software at a certain region, which indicates that the marine ecosystem serves the function of self decontamination towards the influence of light-level contamination of plastic debris to maintain a stable state, and that when the rates of resources exploitation or the rates of plastic debris into the ecosystem from the external environment belong to a reasonable interval which can be calculated by the model mentioned above, the marine plastic debris concentration would be stable and achieve dynamic balance; on the contrary, if the parameters exceed a certain value, and if no measures are taken, the marine plastic debris concentration would increase dramatically, the marine ecology resources would become exhausted, and the ecosystem would lose its potential economic value. Finally, a pre-warning mechanism for the marine ecosystem is set up and some suggestions are given in order to help researchers and ultimately government policy makers to understand the severity and potential global impact of the situation.

  • Gas bubble morphology in small working gaps at spark erosion [micromachining]

    The morphology of the gas bubbles in the working gap determines the conditions for the electrical breakdown in spark erosion. Significant modification of the gas bubble structures can be proved by high speed recording if the pulses are changed only in a small parameter field. The investigations carried out are particularly important for the production of precise holes with the spark erosion process. In ED hole sinking, the work gap is smaller than 20 /spl mu/m so that the size and number of gas bubbles are dominant criteria for decontamination of the discharge gap. The gap cleaning effect can be optimized by the specific choice of the pulse parameters, which leads to an essential reduction of the processing time. Comparative investigations with a high speed framing camera (HSFC) indicate that also for single discharges, the gas bubbles are considerably longer than the pulse periods usually used in spark erosion.

  • Sterilization of packed matter by means of low temperature atmospheric pressure plasmas

    Summary form only given. The decontamination of material in closed containers by means of atmospheric pressure plasmas is investigated. The target is Listeria monocytogenes, a bacterium which causes listeriosis and can be found in plants and food. The non-pathogenic species, Listeria innocua, is used for these experiments. Microscopy glass slides were inoculated with Listeria innocua by spraying. The slides were placed in a plastic bag. The plastic bag was filled with a gas mixture of 97.5% Ar + 2.5% O2 and sealed. The sealed bag was placed between the electrodes of a dielectric barrier discharge. The exposure time was varied between 1 and 30 min. A reduction of Listeria innocua of more than log 2.4 (detection limit) was obtained after a treatment time of 2 min. The electrode temperature of the DBD was found to be below 30 °C.



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