Current Chemical reaction News and Events

Current Chemical reaction News and Events, Chemical reaction News Articles.
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Understanding the power of our Sun
For the first time, the international team was able to directly observe neutrinos from this cycle (CNO neutrinos) with the Borexino detector in the Laboratori Nazionali in the Gran Sasso Massif (Italy). This milestone represents the fulfilment of a long-cherished scientific dream for the Dresden neutrino researcher Prof Kai Zuber and his team at the Institute of Nuclear and Particle Physics. (2020-11-25)

Solar CNO neutrinos observed for the first time
Scientists who are members of the Borexino Collaboration have provided the first experimental proof of the occurrence of the so-called CNO cycle in the Sun: They have managed to directly detect the distinctive neutrinos generated during this fusion process. This is an important milestone on the route to better understanding the fusion processes that occur in the Sun. The Borexino Collaboration's findings have been published in the latest issue of the journal Nature. (2020-11-25)

Tackling metabolic complexity
CRISPRi screens reveal sources of metabolic robustness in E. coli. (2020-11-24)

A chemist from RUDN University synthesized analogs of natural toxins
A chemist from RUDN University suggested a simple and accurate method for the synthesis of analogs of two natural toxins, antofine and septicine. This universal approach can also be used to obtain other biologically active substances for medicinal chemistry. (2020-11-23)

AI plots sustainable materials
Chemistry computer algorithm does more with less experimental data to reveal the optimal way to make green materials. (2020-11-22)

Researchers develop more efficient method to recover heavy oil
The current global supply of crude oil is expected to meet demand through 2050, but there may be a few more drops to squeeze out. By making use of a previously undesired side effect in oil recovery, researchers have developed a method that yields up to 20% more heavy oil than traditional methods. Tokyo University of Agriculture and Technology (TUAT) team published their results on August 24 in Energy & Fuels, a journal of the American Chemical Society. (2020-11-21)

Highly efficient, long-lasting electrocatalyst to boost hydrogen fuel production
The IBS research team developed a highly efficient and long-lasting electrocatalyst for water oxidation using cobalt, iron, and a minimal amount of ruthenium. (2020-11-20)

A biochemical random number
ETH Zurich scientists have generated a huge true random number using DNA synthesis. It is the first time that a number of this magnitude has been created by biochemical means. (2020-11-20)

Light-controlled nanomachine controls catalysis
The vision of the future of miniaturisation has produced a series of synthetic molecular motors that are driven by a range of energy sources and can carry out various movements. A research group at FAU has now managed to control a catalysis reaction using a light-controlled motor. (2020-11-20)

Supramolecular chemistry - Self-constructed folded macrocycles with low symmetry
The synthesis and self-organization of biological macromolecules is essential for life on earth. Ludwig-Maximilians-Universitaet (LMU) in Munich chemists now report the spontaneous emergence of complex ring-shaped macromolecules with low degrees of symmetry in the laboratory. (2020-11-20)

Stem cell transplantation: undesirable rejection mechanism identified
In the treatment of leukaemia, stem cell transplantation subsequent to chemotherapy and radiation can often engender severe adverse inflammatory reactions - especially in the skin or in the gut, since these so-called barrier organs are more frequently affected. Up until now, the reason for this was unclear. A team of researchers in Vienna has now identified an immune mechanism that is partially responsible for this. (2020-11-19)

Insights in the search for new antibiotics
A collaborative research team from the University of Oklahoma, the Memorial Sloan Kettering Cancer Center and Merck & Co. published an opinion article in the journal, Nature Chemical Biology, that addresses the gap in the discovery of new antibiotics. (2020-11-19)

Molecular telegraphy: precisely sending and receiving single molecules
Researchers of the University of Graz, Austria, managed to send single molecules to a distant location and receive them from there. The study appears as the cover story in the current issue of the magazine Science. (2020-11-19)

Machine learning innovation to develop chemical library
Purdue University innovators are using machine learning models to create new options for drug discovery pipelines. Purdue innovators have introduced chemical reactivity flowcharts to help chemists interpret reaction outcomes using statistically robust machine learning models trained on a small number of reactions. (2020-11-18)

A more sensitive way to detect circulating tumor cells
Breast cancer is the most frequently diagnosed cancer in women, and metastasis from the breast to other areas of the body is the leading cause of death in these patients. Detecting circulating tumor cells (CTCs) in the bloodstream could help doctors find and treat metastases at an earlier stage, increasing chances of survival. Now, researchers reporting in ACS Sensors have developed a method that could more sensitively detect CTCs within the complex environment of blood. (2020-11-18)

Faster detection of photocatalyst-generated oxygen has big implications for clean energy
In the future, hydrogen produced from sunlight and water using photocatalysts could provide a source of clean energy. Collaboration between researchers at Japanese universities has led to the development of a method to detect the oxygen produced from this water-splitting reaction 1000 times faster. This new method can be utilized to improve our understanding of artificial photosynthesis' reaction mechanisms and could contribute towards the development and large-scale implementation of photocatalyst technology for producing hydrogen fuel. (2020-11-18)

Green chemistry: Politecnico di Milano publishes in Chem
The prestigious journal Chem (Cell Press, impact factor: 19.735) publishes the first mechanosynthesis of a molecular crystal with a Borromean topology. The results obtained by the Politecnico di Milano group have shown that mechanosynthesis can be applied to the self-assembly of complex multi-component supramolecular structures such as the Borromean rings, demonstrating, in detail, the mechanism of formation of this complex topology. (2020-11-18)

New technique seamlessly converts ammonia to green hydrogen
Northwestern University researchers have developed a highly effective, environmentally friendly method for converting ammonia into hydrogen. The new technique is a major step forward for enabling a zero-pollution, hydrogen-fueled economy. The idea of using ammonia as a carrier for hydrogen delivery has gained traction in recent years because ammonia is much easier to liquify than hydrogen and is therefore much easier to store and transport. Northwestern's technological breakthrough overcomes several existing barriers to the production of clean hydrogen from ammonia. (2020-11-18)

Killing cancer naturally: New process to produce compounds with anti-cancer properties
Scientists from the Tokyo University of Science have made a breakthrough in the development of potential drugs that can kill cancer cells. They have discovered a method of synthesizing organic compounds that are four times more fatal to cancer cells and leave non-cancerous cells unharmed. Published in the American Chemical Society Omega, their research can assist in the creation of new anticancer drugs with minimal side effects. (2020-11-17)

The long road to dementia
Alzheimer's disease develops over decades. It begins with a fatal chain reaction in which masses of misfolded beta-amyloid proteins are produced that in the end literally flood the brain. Researchers from the Hertie Institute for Clinical Brain Research and the German Center for Neurodegenerative Diseases show in the journal Nature Neuroscience that this chain reaction starts much earlier in mice than commonly assumed. (2020-11-17)

Microbial remedies target chemical threats in the environment
In a new study, researchers at the Biodesign Swette Center for Environmental Biotechnology explores new ways to rid the environment of co-occurring toxic chemicals, TCE and perchlorate. To accomplish this, Fe0 in combination with microbial cultures containing an unusual microbe known as Dehalococcoides mccartyi were added to soil and groundwater samples from a contaminated Superfund site in Goodyear, Arizona. The contaminated site had formerly been involved in defense and aerospace manufacturing. (2020-11-17)

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)

The future's uncertain - but noradrenaline can help us adapt
A brain chemical called noradrenaline is responsible for our responses to uncertain situations - helping us to learn quickly and adapt our behaviour, a new study has found. (2020-11-13)

Elastic-free face masks can help some with allergies stay safe during COVID-19
A University of Cincinnati fellow presents a COVID-19 related case study during the American College of Allergy, Asthma and Immunology (ACAAI) scientific meeting held November 13-15. (2020-11-13)

UCLA researchers create armored emulsions as tiny test tubes for parallel reactions
UCLA bioengineers and mathematicians have invented the first-ever 'armored' emulsions. The armor comes in the form of tiny soft U-shaped cups, about a half-millimeter in length. With a hydrophobic (water-repelling) exterior and hydrophilic (water-attracting) interior, each U-shaped particle captures a fluid droplet resulting in an emulsion that stays intact following mixing. The research was published in Science Advances. (2020-11-12)

Interlayer ligand engineering of β-Ni(OH)2 for oxygen evolution reaction
Alkoxyl substitution strategy is proposed to enlarge the interlayer distances and tune the interface environments of β-Ni(OH)2. Operando X-ray absorption spectroscopy studies combined with ex-situ analyses revealed that the critical active species of NiEt is formed via hydroxylation and subsequent de-protonation, with high valent Niδ+(3<δ?3.66). The corresponding catalytic reaction pathway and mechanism are proposed. (2020-11-11)

Electrochemical oxygen evolution on Hf2B2Ir5 electrode material
Electrochemical oxygen evolution on Hf2B2Ir5 electrode material. (2020-11-11)

Russian scientists created a chemical space mapping method and cracked the mystery of Mendeleev number
Scientists from Skoltech puzzled out the physical meaning of the mysterious Mendeleev Numbers and suggested calculating them based on the fundamental properties of atoms. They showed that both MNs and the chemical space built around them were more effective than empirical solutions proposed until then. (2020-11-10)

Ultrafast laser experiments pave way to better industrial catalysts
Arizona State University's Scott Sayres and his team have recently published an ultrafast laser study on uncharged iron oxide clusters, which could ultimately lead to the development of new and less-expensive industrial catalysts. It might also contribute to a better understanding of the universe since iron oxides are observed in the emission spectra of stars. (2020-11-10)

Utilizing a 'krafty' waste product: Toward enhancing vehicle fuel economy
Researchers from Kanazawa University have chemically modified Kraft lignin -- ordinarily considered in the paper industry to be a waste product -- and used it to produce quality carbon fiber. When optimized in the future as an automotive structural material, it may reduce the fuel needed to power your car. (2020-11-05)

New multicomponent reaction frontiers
The synthesis of complex molecules such as drugs, requires a process that sometimes involves several phases that increase its cost and harden the access to the product. Now, a team of the University of Barcelona has designed a new methodological approach that combines multicomponent reactions with domino type processes -continuous transformations on an only compound- to ease the synthesis of high structural complex molecules. (2020-11-04)

The importance of good neighbors in catalysis
Are you affected by your neighbors? So are nanoparticles in catalysts. New research from Chalmers University of Technology, Sweden, published in the journals Science Advances and Nature Communications, reveals how the nearest neighbors determine how well nanoparticles work in a catalyst. (2020-11-03)

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)

Vitamin E from palm oil useful in boosting immune response based on studies on liver cells
Palm oil is an economical source of vitamin E, and several studies have shown the beneficial effects on the immune system, which include anti-oxidant and anti-cancer activity as well has cytoprotective actions. Researchers hope that these findings pave the way for easily available remedies for a variety of diseases. The current study is published in Current Pharmaceutical Biotechnology. (2020-11-03)

Room temperature conversion of CO2 to CO: A new way to synthesize hydrocarbons
Researchers at the National Institute of Standards and Technology (NIST) and their colleagues have demonstrated a room-temperature method that could significantly reduce carbon dioxide levels in fossil-fuel power plant exhaust, one of the main sources of carbon emissions in the atmosphere. (2020-11-02)

A 40-year-old catalyst unveils its secrets
Activity of the industrial catalyst TS-1 relies on titanium pairs / important discovery for catalyst development (2020-11-02)

RUDN University chemist developed green method for malaria and leprosy drug production
A chemist from RUDN University suggested an eco-friendly method for the synthesis of dapsone, a substance that inhibits the growth of malaria and leprosy agents. The main component of the new reaction is hydrogen peroxide that does not form environmentally destructive compounds, and the only by-product is simple water. Unlike other technologies, this method includes only one stage of dapsone production and does not require high temperatures. The catalyst of the reaction can be reused without any loss of efficiency. (2020-10-30)

Chemical scissors snip 2D transition metal dichalcogenides into nanoribbon
One of the biggest challenges in making hydrogen production clean and cheap has been finding an alternative catalyst necessary for the chemical reaction that produces the gas, one that is much cheaper and abundant than the very expensive and rare platinum that is currently used. Researchers in Korea have now found a way to 'snip' into tiny nanoribbons a cheap and plentiful substance that fits the bill, boosting its catalytic efficiency to at least that of platinum. (2020-10-29)

Copolymer helps remove pervasive PFAS toxins from environment
Researchers have demonstrated that they can attract, capture and destroy PFAS - a group of federally regulated substances found in everything from nonstick coatings to shampoo and nicknamed ''the forever chemicals'' due to their persistence in the natural environment. (2020-10-29)

UMass Amherst research compares sensitivity of all genes to chemical exposure
A University of Massachusetts Amherst environmental health scientist has used an unprecedented objective approach to identify which molecular mechanisms in mammals are the most sensitive to chemical exposures. (2020-10-29)

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