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Current Ions News and Events, Ions News Articles.
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Researchers discovered solid phosphorus from a comet
An international study led from the University of Turku, Finland, discovered phosphorus and fluorine in solid dust particles collected from a comet. The finding indicates that all the most important elements necessary for life may have been delivered to the Earth by comets. (2020-11-26)

New material 'mines' copper from toxic wastewater
A team of scientists led by Berkeley Lab has designed a new material -- called ZIOS (zinc imidazole salicylaldoxime) -- that targets and traps copper ions from wastewater with unprecedented precision and speed. The technology offers the water industry and the research community the first blueprint for a water-remediation technology that scavenges heavy metal ions with a measure of control that far surpasses the current state of the art. (2020-11-24)

Understanding ion channel inhibition to open doors in drug discovery
Scientists have discovered how drug-like small molecules can regulate the activity of therapeutically relevant ion channels - and their findings could transform ongoing drug development efforts. The study reveals how a drug-like small molecule, called Pico145, binds to the TRPC5 channel, thereby preventing the channel from opening.  (2020-11-23)

A filter for environmental remediation
Scientists at Osaka University discovered a new method for producing sodium titanate mats nanostructured in a seaweed-like morphology for filtering heavy metal ions and radioactive materials from water. This work may lead to advances in treating contaminated wastewater. (2020-11-19)

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)

Green hydrogen: Buoyancy-driven convection in the electrolyte
Hydrogen produced by using solar energy could contribute to a climate neutral energy system of the future. But there are hurdles on the way from laboratory scale to large-scale implementation. A team at HZB has now presented a method to visualise convection in the electrolyte and to reliably simulate it in advance with a multiphysics model. The results can support the design and scaling up of this technology and have been published in the renowned journal Energy and Environmental Science. (2020-11-19)

Spintronics advances -- Controlling magnetization direction of magnetite at room temperature
Spintronics--based on the principles of electron charge and magnetic spin--goes beyond the limits of conventional electronics. However, spintronic devices are yet to see advances, because controlling the magnetization angle in the magnetic material is difficult. Now, scientists have developed an all-solid redox device composed of magnetite thin film and a solid electrolyte containing lithium ions that successfully manipulated the magnetization angle at room temperature, sparking a possible revolution in the field of spintronics. (2020-11-17)

A new understanding of ionic interactions with graphene and water
The findings from Northwestern University and Argonne National Laboratory researchers could inform design of environmental technologies behind water purification processes and electric energy storage. (2020-11-17)

Success in controlling perovskite ions' composition paves the way for device applications
Hybrid organic-inorganic perovskites have received much attention as potential next generation solar cells and as materials for light-emitting devices. Kobe University's Associate Professor TACHIKAWA Takashi (of the Molecular Photoscience Research Center) and Dr. KARIMATA Izuru (previously a graduate student engaged in research at the Graduate School of Science) have succeeded in completely substituting the halide ions of perovskite nanocrystals while maintaining their morphology and light-emitting efficiency. (2020-11-13)

Anions matter
Metal-ion hybrid capacitors combine the properties of capacitors and batteries. One electrode uses the capacitive mechanism, the other the battery-type redox processes. Scientists have now scrutinized the role of anions in the electrolyte. The results, which have been published in the journal Angewandte Chemie, reveal the importance of sulfate anions. Sulfate-based electrolytes gave zinc-ion hybrid capacitors outstanding performance and extra-long operability. (2020-11-13)

Handles and holes in abstract spaces: how a material conducts electricity better
A new theory has succeeded in establishing a new relationship between the presence or absence of 'handles' in the space of the arrangements of atoms and molecules that make up a material, and the propensity of the latter to conduct electricity. The insulating materials 'equipped with handles' can conduct electricity as well as metals, while retaining typical properties of insulators, such as transparency. (2020-11-13)

Heat and dust help launch Martian water into space, scientists find
Scientists using an instrument aboard NASA's Mars Atmosphere and Volatile EvolutioN, or MAVEN, spacecraft have discovered that water vapor near the surface of the Red Planet is lofted higher into the atmosphere than anyone expected was possible. (2020-11-13)

Environmentally friendly method could lower costs to recycle lithium-ion batteries
A new process for restoring spent cathodes to mint condition could make it more economical to recycle lithium-ion batteries. The process, developed by nanoengineers at the University of California San Diego, is more environmentally friendly than today's methods; it uses greener ingredients, consumes 80 to 90% less energy, and emits about 75% less greenhouse gases. (2020-11-12)

Transport of water to mars' upper atmosphere dominates planet's water loss to space
Instead of its scarce atmospheric water being confined in Mars' lower atmosphere, a new study finds evidence that water on Mars is directly transported to the upper atmosphere, where it is converted to atomic hydrogen that escapes to space. (2020-11-12)

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)

Sorting out viruses with machine learning
Researchers at Osaka University created a machine-learning system to identify single viral particles that cause respiratory diseases, including coronavirus, using silicon nanopores. The method does not require labels or reagents and may lead to much cheaper and rapid detection of viruses that cause infectious diseases such as COVID-19. (2020-11-11)

New 'genomic' method reveals atomic arrangements of battery material
Scientists have developed a new way to decipher the atomic-level structure of materials based on data gleaned from ground-up powder samples. They describe their approach and demonstrate its ability to solve the structure of a material that shows promise for shuttling ions through sodium-ion batteries. (2020-11-09)

A biomimetic membrane for desalinating seawater on an industrial scale
Reverse osmosis is one of the most widely used techniques for the desalination of water. Some of the membranes currently used are artificial channels of water inserted into lipid layers. But their large-scale performance is not satisfactory. An international team has developed a hybrid strategy, which consists of combining a polyamide matrix and artificial water channels into a single structure. Their membranes have been tested under industrial conditions and outperform conventional membranes. (2020-11-09)

A better understanding of coral skeleton growth suggests ways to restore reefs
In a new study, University of Wisconsin-Madison physicists observed reef-forming corals at the nanoscale and identified how they create their skeletons. The results provide an explanation for how corals are resistant to acidifying oceans and suggest that controlling water temperature, not acidity, is crucial to mitigating loss and restoring reefs. (2020-11-09)

Perspectives of tumor treatment: Researchers investigate combination of carbon ion and immunotherapy
It is still a glance into the future: The combination of carbon ion and immune therapy could become an effective tool in the fight against cancer. Promising results for the potential benefit of this treatment combination have now been published in the journal ''International Journal of Radiation Oncology, Biology, Physics'' of the American Society for Therapeutic Radiation Oncology. The authors are an international team, led by the Biophysics Department at the GSI Helmholtzzentrum für Schwerionenforschung. (2020-11-09)

RUDN University chemists developed new magnetic and luminescent lanthanide-siloxane-based compounds
A team of chemists from RUDN University synthesized new organosilicon compounds containing terbium and europium ions. These complexes have an unusual cage-like crystal structure that contains four metal ions. The team was the first to study the magnetic and photophysical properties of such compounds and to observe their magnetic phase transition and luminescence properties. (2020-11-03)

Probing water for an electrifying cause
An experiment, elegant in its simplicity, helps explain why water becomes electrified when it touches hydrophobic surfaces. (2020-10-29)

Identifying biomolecule fragments in ionising radiation
In a new study published in EPJ D, researchers define for the first time the precise exact ranges in which positively and negatively charged fragments can be produced when living cells are bombarded with fast, heavy ions. (2020-10-29)

FSU researchers investigate material properties for longer-lasting, more efficient solar cells
FSU researchers are helping to understand the fundamental processes in a material known as perovskites, work that could lead to more efficient solar cells that also do a better job of resisting degradation. (2020-10-26)

Optical wiring for large quantum computers
Researchers at ETH have demonstrated a new technique for carrying out sensitive quantum operations on atoms. In this technique, the control laser light is delivered directly inside a chip. This should make it possible to build large-scale quantum computers based on trapped atoms. (2020-10-22)

RUDN University chemist suggested synthesizing bioactive substances using a copper catalyst
A chemist from RUDN University used a copper catalyst in the click reaction of triazole synthesis. Triazoles are bioactive substances that are used to treat fungal diseases and synthesize pharmaceutical drugs and also play a role in polymer chemistry. The catalyst not only accelerated the reaction several times but also helped perform it at room temperature and without any bases or solvents. The reaction turned out to be almost 100% effective and had no by-products. (2020-10-22)

Highly selective membranes
Membranes with microscopic pores are useful for water filtration. The effect of pore size on water filtration is well-understood, as is the role of ions, charged atoms, that interact with the membrane. For the first time, researchers have successfully described the impact water molecules have on other water molecules and on ions as part of the filtration mechanism. The researchers detail a feedback system between water molecules which opens up new design possibilities for highly selective membranes. Applications could include virus filters. (2020-10-20)

Computational study reveals how Ebola nucleocapsid stabilizes
Scientists at the University of Delaware report a computational study of the Ebola virus nucleocapsid and show that the binding of the ssRNA allows the nucleocapsid to maintain its shape and structural integrity. (2020-10-20)

Calcium bursts kill drug-resistant tumor cells
Multidrug resistance (MDR) -- a process in which tumors become resistant to multiple medicines -- is the main cause of failure of cancer chemotherapy. Tumor cells often acquire MDR by boosting their production of proteins that pump drugs out of the cell, rendering the chemotherapies ineffective. Now, researchers reporting in ACS' Nano Letters have developed nanoparticles that release bursts of calcium inside tumor cells, inhibiting drug pumps and reversing MDR. (2020-10-16)

A controllable membrane to pull carbon dioxide out of exhaust streams
A system developed by chemical engineers at MIT could provide a way of continuously removing carbon dioxide from a stream of waste gases, or even from the air. The key component is an electrochemically assisted membrane whose permeability to gas can be switched on and off at will, using no moving parts and relatively little energy. (2020-10-16)

LiU researchers first to develop an organic battery
Researchers at the Laboratory of Organic Electronics, Linköping University, have for the first time demonstrated an organic battery. It is of a type known as a 'redox flow battery', with a large capacity that can be used to store energy from wind turbines and solar cells, and as a power bank for cars. An article now published in Advanced Functional Materials. (2020-10-15)

Using electric current to stabilize low-permeability soils
EPFL scientists have developed a new approach to stabilizing clay soils. The method involves using a battery-like system to apply electric current to carbonate and calcium ions in order to promote soil consolidation. Their findings were published today in Scientific Reports. (2020-10-12)

New mechanism affecting nerve impulses discovered
Researchers at Linköping University, Sweden, have discovered a new mechanism by which substances can open a certain type of ion channel and in this way regulate nerve impulses. The study, published in the scientific journal PNAS, identifies a large group of substances that influence the coupling between the various functional parts of an ion channel. The discovery may help in the development of future drugs. (2020-10-12)

Groundbreaking study finds activator of magnesium dynamics in the body
Magnesium, essential for life, has puzzled medical science for a century. What activates it in the body? Scientists from the Long School of Medicine at UT Health San Antonio reported the answer Oct. 8 in the journal Cell. (2020-10-08)

Our health: New focus on the synergy effect of nanoparticles
Nanoparticles are valuable and useful in many products, but according to a new study, they can also damage our cells. Researchers are concerned about the effect of lifelong exposure to the human organism. (2020-10-01)

Metal-ion breakthrough leads to new biomaterials
Metals such as iron and calcium play a crucial role inside the human body, so it's no surprise that bioengineers would like to integrate them into the soft, stretchy materials used to repair skin, blood vessels, lungs and other tissue. (2020-09-30)

Scientists studied nanoparticles embedded in silver-ion-exchanged glasses
Researchers have registered the formation of silver nanoparticles in an ion-exchanged glass as a result of infrared laser irradiation. The research of current studies were published in the journal of Nanomaterials. (2020-09-29)

Generating renewable hydrogen fuel from the sea
The power of the sun, wind and sea may soon combine to produce clean-burning hydrogen fuel, according to a team of Penn State researchers. The team integrated water purification technology into a new proof-of-concept design for a sea water electrolyzer, which uses an electric current to split apart the hydrogen and oxygen in water molecules. (2020-09-29)

The key to lowering CO2 emissions is made of metal
Researchers at Osaka City University produce malic acid, which contains 4 carbon atoms, through artificial photosynthesis by simply adding metal ions like aluminum and iron. This solves a problem with current artificial photosynthesis technology of only producing molecules with 1 carbon atom and paves the way to exploring the use of CO2 as a raw material. (2020-09-28)

Bioelectronic device achieves unprecedented control of cell membrane voltage
Every living cell maintains a voltage across the cell membrane that results from differences in the concentrations of charged ions inside and outside the cell. In an impressive proof-of-concept demonstration, an interdisciplinary team of scientists has developed a bioelectronic system driven by a machine learning algorithm that can shift the membrane voltage in living cells and maintain it at a set point for 10 hours. (2020-09-24)

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