Current Plasma News and Events

Current Plasma News and Events, Plasma News Articles.
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Stanford scientists invent ultrafast way to manufacture perovskite solar modules
High-speed manufacturing could advance the commercialization of perovskite modules, a green alternative to conventional solar panels made of silicon. (2020-11-25)

Understanding the utility of plasmas for medical applications
Plasma medicine is an emerging field, as plasmas show promise for use in a wide range of therapies from wound healing to cancer treatment, and plasma jets are the main plasma sources typically used in plasma-surface applications. To better understand how plasma jets modify the surfaces of biological tissue, researchers conducted computer simulations of the interaction between an atmospheric pressure plasma jet with a surface that has properties similar to blood serum. (2020-11-24)

Nonlinear ionization dynamics of hot dense plasma observed in a laser-plasma amplifier
Understanding the behavior of light-matter interaction under extreme conditions, such as in high-density plasmas, is important for our identification of cosmologic objects and the formation of the universe. Researchers at the Universities of Jena, Germany, California in Berkeley, USA, Madrid, Spain, and the Institut Polytechnique de Paris, France have succeeded in directly observing the formation and interaction of highly ionized krypton plasma using femtosecond coherent ultraviolet light and a novel four-dimensional model. (2020-11-19)

Understanding astrophysics with laser-accelerated protons
Bringing huge amounts of protons up to speed in the shortest distance in fractions of a second -- that's what laser acceleration technology, greatly improved in recent years, can do. An international research team from the GSI Helmholtzzentrum für Schwerionenforschung and the Helmholtz Institute Jena, a branch of GSI, in collaboration with the Lawrence Livermore National Laboratory, USA, has succeeded in using protons accelerated with the GSI high-power laser PHELIX to split other nuclei and to analyze them. (2020-11-16)

Pharmacology - An unconventional ion channel
Scientists at Ludwig-Maximilians-Universitaet (LMU) in Munich have identified the first mechanosensitive ion channel to be found in an intracellular vesicle system. It responds to concentration changes within the vesicle, and probably controls the initiation of immune reactions. (2020-11-13)

Managing the microbiome raises new hope for autism
Analysis of 619 plasma metabolites in a new study show a distinctive metabolic profile in autistic children prior to microbial transfer therapy The procedure helps modify gut microbiota, improving symptoms gastrointestinal and behavioral symptoms of the disease. Careful investigation of metabolites in blood and feces, as opposed to simply tabulating microbial species in the gut, is crucial when trying to tease out the complex bacterial interactions, which can form both collaborative and competing networks, depending on the particulars of their environment. (2020-11-13)

Advancing fusion energy through improved understanding of fast plasma particles
PPPL scientists have developed a unique program to track the zig-zagging dance of hot, charged plasma particles that fuel fusion reactions. (2020-11-12)

Potential brain damage marker could guide assessment and treatment of strokes
A team of researchers has discovered that a protein found in the nervous system can predict the severity of brain damage and long-term outcomes in patients who have suffered a stroke. (2020-11-11)

Getting single-crystal diamond ready for electronics
Researchers from Osaka University and collaborating partners polished single-crystal diamond to near-atomic smoothness without damaging it. This will improve the performance and sustainability of future electronics. (2020-11-10)

Plasma treatments quickly kill coronavirus on surfaces
Researchers from UCLA believe using plasma could promise a significant breakthrough in the fight against the spread of COVID-19. In Physics of Fluids, modeling conducted showed strains of the coronavirus on surfaces like metal, leather, and plastic were killed in as little as 30 seconds of treatment with argon-fed, cold atmospheric plasma. The researchers used an atmospheric pressure plasma jet they built with a 3D printer to spray surfaces that were treated with SARS-CoV-2 cultures. (2020-11-10)

Racial/ethnic minorities comprise small portion of patients referred with AL amyloidosis
Despite being theoretically at an increased risk for AL amyloidosis, underrepresented minorities make up only a small percentage of patients seen at specialized treatment centers for this disease. (2020-11-10)

Blood cell mutations confound prostate cancer liquid biopsy results
Unrelated mutations, when present in the blood, can give false positive results in men with advanced prostate cancer undergoing liquid biopsies. Such tests, which look for variants in cell-free DNA that tumors shed into the blood plasma, help determine suitable treatment options. Incorrect test results might mean the patient gets therapies unsuited for his cancer. A simple solution overcomes this problem. (2020-11-05)

Why protecting the brain against infection takes guts
The brain is uniquely protected against invading bacteria and viruses, but its defence mechanism has long remained a mystery. Now, a study in mice, confirmed in human samples, has shown that the brain has a surprising ally in its protection: the gut. (2020-11-04)

Noise reduction via intermittent control by utilizing a plasma actuator
A research team at Toyohashi University of Technology developed a method for reducing aerodynamic noise via plasma. Cavity flow, such as the flow around car gaps of high-speed trains, often radiates aerodynamic noise. A plasma actuator inducing flow was applied to suppress this noise. By periodically switching off the power of the plasma actuator, a higher reduction in sound pressure level was observed when compared with continuous operation under the same power consumption. (2020-11-04)

New cause of COVID-19 blood clots identified
A new study reveals that COVID-19 triggers production of antibodies circulating through the blood, causing clots in people hospitalized with the disease. (2020-11-02)

In study of 30,000 mild-to-moderate COVID-19 patients, antibody responses can persist for five months
Researchers who studied antibody responses in 30,000 patients with mild-to-moderate COVID-19 report that the patients' antibodies were relatively stable for at least five months. (2020-10-28)

New sulfur dioxide conversion method may transform current industrial techniques
A single-step, plasma-enhanced catalytic process to convert sulfur dioxide to pure sulfur from tail gas streams may provide a promising, more environmentally-friendly alternative to current multistage thermal, catalytic and absorptive processes, according to scientists at Penn State. (2020-10-28)

A blast of gas for better solar cells
Treating silicon with carbon dioxide gas in plasma processing brings simplicity and control to a key step for making solar cells. (2020-10-26)

Exploring the source of stars and planets in a laboratory
New computer simulation aims to verify a widely held but unproven theory of the source of celestial bodies. (2020-10-23)

For the first time: Realistic simulation of plasma edge instabilities in tokamaks
Among the loads to which the plasma vessel in a fusion device may be exposed, so-called edge localised modes are particularly undesirable. By computer simulations the origin and the course of this plasma-edge instability could now be explained for the first time in detail. (2020-10-22)

How does the immune system develop in the first days of life?
Researchers highlight the anti-inflammatory response taking place after birth and designed to shield the newborn from infection. Early protection is ensured by the innate immunity through the rapid development of the complement pathway during the first week after birth. (2020-10-22)

Hackensack Meridian CDI, University of Michigan show faster COVID-19 antibody test
A new portable ''lab on a chip,'' developed by the U-M scientists and demonstrated with help of the CDI, can identify the presence of COVID-19 antibodies in blood donors with greater speed and efficiency than the current standard (2020-10-22)

FEFU scientists helped design a new type of ceramics for laser applications
Material scientists from Far Eastern Federal University (FEFU) joined an international team of researchers to develop new nanocomposite ceramics (Ho3+:Y2O3-MgO) that can be employed in high-capacity laser systems operating in the medium infrared range (IR) of 2-6 micrometers. These lasers are safe for the human vision and have multiple applications in various fields of economy, including industry, atmosphere probing, medicine, and light radars. An article about the work was published in the Ceramics International. (2020-10-22)

NRL researchers evaluate ultraviolet sources, combat COVID-19
NRL researchers evaluated commercial ultraviolet (UV) sources for viral disinfection to combat COVID-19 on land and at sea, and established a dedicated UV characterization lab in five days. (2020-10-22)

New lab test clarifies the potential protective effects of COVID-19 antibodies
Knowing you have developed antibodies against the SARS-CoV-2 virus after recovering from COVID-19 doesn't tell you everything about your immunity. Scientists have developed a new lab testing procedure for the detection of antibodies against SARS-CoV-2 that gives results more quickly than existing assays and specifically identifies so-called ''neutralizing'' antibodies. (2020-10-19)

Patients who had more severe covid-19 may be the best donors for convalescent plasma therapy
Sex, age, and severity of disease may be useful in identifying COVID-19 survivors who are likely to have high levels of antibodies that can protect against the disease. (2020-10-19)

In recovering COVID-19 patients, antibodies fade quickly
This week in mBio, an open-access journal of the American Society for Microbiology, researchers report that antibody levels in the blood of COVID-19 patients drop rapidly during the weeks after their bodies have cleared the virus and symptoms have subsided. If convalescent plasma is ultimately shown to have a clear benefit, the authors concluded, then it needs to be collected during a specific window of time after recovery. (2020-10-16)

Magnetic fields on the moon are the remnant of an ancient core dynamo
An international simulation study by scientists from the US, Australia, and Germany, shows that alternative explanatory models such as asteroid impacts do not generate sufficiently large magnetic fields. (2020-10-15)

Army researchers collaborate on universal antibody test for COVID-19
Researchers with the U.S. Army Futures Command are part of a team that tested alternative ways to measure COVID-19 antibody levels, resulting in a process that is faster, easier and less expensive to use on a large scale. Their method holds promise for accurately identifying potential donors who have the best chance of helping infected patients through convalescent plasma therapy. (2020-10-14)

Breakthrough blood test developed for brain tumors
Genetic mutations that promote the growth of the most common type of adult brain tumors can be accurately detected and monitored in blood samples using an enhanced form of liquid biopsy developed by researchers at Massachusetts General Hospital (MGH). (2020-10-14)

SARS-CoV-2 antibodies provide lasting immunity, say UArizona Health Sciences researchers
University of Arizona Heath Sciences researchers developed one of the most accurate COVID-19 antibody tests available and now have shown antibodies persist for months after infection, providing long-term immunity. (2020-10-13)

RUDN University scientist suggested a simple model of dense plasma spectral properties
A scientist from RUDN University suggested a new physical model to describe the optical properties of dense plasma. The model was tested on available experimental data and does not require complex calculations. (2020-10-08)

Graphene detector reveals THz light's polarization
Physicists have created a broadband detector of terahertz radiation based on graphene. The device has potential for applications in communication and next-generation information transmission systems, security and medical equipment. (2020-10-08)

Plasma scientists optimize plant growth and yield
At the American Physical Society's Gaseous Electronics Conference, researchers described techniques for delivering plasma to seeds and plants and identifying which plants are most likely to respond. (2020-10-06)

Fighting pandemics with plasma
Scientists have long known that ionized gases can kill pathogenic bacteria, viruses, and some fungi. New research presented this week at the American Physical Society's Gaseous Electronics Conference suggests that personal protective equipment--which has been in short supply throughout the COVID-19 pandemic--can be disinfected and reused. (2020-10-06)

On the trail of causes of radiation events during space flight
Scientists have made significant progress in understanding the sources of radiation events that could impact human space-flight operations. Relativistic Electron Precipitation (REP) events are instances when high energy electrons move through areas of space at significant fractions of the speed of light. These REP events may pose challenges to human spaceflight, specifically during extravehicular activity (EVA). (2020-10-05)

UArizona Health Sciences researchers identify new target for creating flavivirus vaccines
Antibodies normally fight viruses, but in the case of flaviviruses, they can make infections worse. UArizona Health Sciences immunologists took a closer look at antibody production to figure out why, which could lead to new methods of developing vaccines for flaviviruses. (2020-10-02)

COVID-19 antibodies in donated plasma decline within first months after symptom onset
Although there is still uncertainty about the clinical benefits and role of convalescent plasma to treat COVID-19, new research suggests that the earlier plasma is collected after the donor's recovery from COVID-19, the better, as antibodies start to disappear after three months of symptom onset. The results, which authors say may also have implications for vaccine design and for prevalence studies in communities trying to gauge how many people have recovered from the virus, are published today in the journal Blood. (2020-10-01)

New mechanism of cell survival in chronic lymphocytic leukemia
Researchers at The Wistar Institute unraveled a mechanism employed by chronic lymphocytic leukemia (CLL) cells for their survival. (2020-09-30)

Validating the physics behind the new MIT-designed fusion experiment
MIT researchers have published seven papers outlining details of the physics behind the ambitious SPARC fusion research experiment being developed by MIT and Commonwealth Fusion Systems. (2020-09-29)

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