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Current Chemical Reaction News and Events, Chemical Reaction News Articles.
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Teamwork in a molecule
Chemists at the Friedrich Schiller University Jena have demonstrated the value of 'teamwork' by successfully harnessing the interaction between two gallium atoms in a novel compound to split the particularly strong bond between fluorine and carbon. The gallium compound is also cheaper and more environmentally friendly than conventional alternatives. (2021-01-21)

Electron transfer discovery is a step toward viable grid-scale batteries
The way to boost electron transfer in grid-scale batteries is different than researchers had believed, a new study from the University of Michigan has shown. (2021-01-21)

Cats love silver vine and catnip for a more practical reason than developing euphoria
Catnip and silver vine have been known as cat attractant plants. Cat lovers use dry leaves of these plants and toys stuffed with the leaves to give joy to their pet cats. But how does this work? What is the biological significance of the responsive behavior? A research group at Iwate University, Nagoya University, Kyoto University, and University of Liverpool found that the behavior had more practical reasons than getting euphoria. (2021-01-20)

Boosted photocatalysis for hydrogen evolution: Reactant supply thru phosphonate groups
Water splitting research for solar hydrogen production has focused on physical processes inside the semiconductor, such as light absorption, charge separation, and chemical processes on the surface that are highly complex and rely on the development of new materials. The concept proposed in this study is design of the electrolyte-photocatalyst interface. The approach of immobilizing functional groups near the solid-liquid interface can be a broad-ranging methodology that is effective regardless of the materials used. (2021-01-20)

Curtin find could slash energy use and cost in making silicon
Curtin University researchers have uncovered a method of making silicon, found commonly in electronics such as phones, cameras and computers, at room temperature. (2021-01-20)

New biodegradable polyurethane foams are developed from wheat straw
The polyurethane foams have several industrial uses. Now, a new paper, published on the front page of Polymers, was able to obtain them from biomass in order to avoid using petroleum by-products in their manufacturing (2021-01-19)

Decoding breast milk to make better baby formula (video)
What makes breast milk so good for babies? In this episode of Reactions, our host, Sam, chats with chemist Steven Townsend, Ph.D., who's trying to figure out which sugar molecules in breast milk make it so unique and difficult to mimic. (2021-01-19)

Male butterflies mark their mates with repulsive smell during sex to 'turn off' other suitors
Butterflies have evolved to produce a strongly scented chemical in their genitals that they leave behind after sex to deter other males from pursuing their women - scientists have found. Researchers discovered a chemical made in the sex glands of the males of one species of tropical butterfly is identical to a chemical produced by flowers to attract butterflies. The study published in PLOS Biology today (19 January 2021) identified a gene for the first time. (2021-01-19)

Synthesis of potent antibiotic follows unusual chemical pathway
Images of a protein involved in creating a potent antibiotic reveal the unusual first steps of the antibiotic's synthesis. The improved understanding of the chemistry behind this process, detailed in a new study led by Penn State chemists, could allow researchers to adapt this and similar compounds for use in human medicine. (2021-01-18)

Researchers develop sustainable catalysis process
Acetals are important chemical compounds that are used, for example, in the production of certain medical agents. A new method now makes their synthesis easier and more environmentally friendly. Chemists at the University of Bonn have developed and optimized the sustainable catalytic process. State-of-the-art computer simulations were also used. The reaction is based on a mechanism that frequently occurs in nature, but has rarely been used in chemical synthesis up to now. (2021-01-18)

Controlling chemical catalysts with sculpted light
Using state-of-the-art fabrication and imaging, researchers watched the consequences of adding sculpted light to a catalyst during a chemical transformation. This work could inform more efficient -- and potentially new -- forms of catalysis. (2021-01-15)

Giving the hydrogen economy an acid test
Tsukuba University scientists show that the effectiveness of hydrogen-producing metal catalysts protected by graphene depends on the ability of protons to penetrate into the inner metallic surface. This work may lead to widely available hydrogen-powered cars. (2021-01-14)

Copper-indium oxide: A faster and cooler way to reduce our carbon footprint
Emergent e-fuel technologies often employ the reverse water-gas shift (RWGS) reaction to convert atmospheric CO2 to CO. While efficient, this reaction requires high temperatures and complex gas separation for high performance. However, for the first time in the world, scientists from Japan have now demonstrated record-high CO2 conversion rates at relatively low temperatures in a modified chemical-looping version of RWGS using a novel copper-indium oxide. (2021-01-13)

Catalysts: worth taking a closer look
Metal surfaces play a role as catalysts for many important applications - from fuel cells to the purification of car exhaust gases. However, their behaviour is decisively affected by oxygen atoms incorporated into the surface. This phenomenon has been known for a long time, but until now it has been impossible to precisely investigate the role of oxygen in complex surfaces point by point in order to understand the chemical background at the atomic level. (2021-01-13)

Expanding the biosynthetic pathway via retrobiosynthesis
KAIST metabolic engineers presented the bio-based production of multiple short-chain primary amines that have a wide range of applications in chemical industries for the first time. The research team designed the novel biosynthetic pathways for short-chain primary amines by combining retrobiosynthesis and a precursor selection step. (2021-01-13)

Making hydrogen energy with the common nickel
POSTECH joint research team develops a nickel-based catalyst system doped with oxophilic transition metal elements. (2021-01-12)

Sustainable transportation: clearing the air on nitrogen doping
Researchers from the University of Tsukuba elucidated the initial reaction pathways on the pyridinic nitrogen atoms at the armchair edges of doped carbon catalysts for the oxygen reduction reaction in proton-exchange membrane fuel cells. This will help optimize a low-carbon technology for future transportation needs. (2021-01-12)

USTC obtains Pd-Pt tesseracts for oxygen reduction reaction
A team led by Prof. ZENG Jie from Hefei National Laboratory for Physical Sciences at the Microscale and Prof. BAO Jun from National Synchrotron Radiation Laboratory of University of Science and Technology of China of the Chinese Academy of Sciences made breakthrough in the controlled synthesis of Pd-Pt tesseracts for ORR and the mechanism investigation of their etching process. (2021-01-12)

New nanostructured alloy for anode is a big step toward revolutionizing energy storage
Researchers have developed a battery anode based on a new nanostructured alloy that could revolutionize the way energy storage devices are designed and manufactured. (2021-01-11)

New process more efficiently recycles excess CO2 into fuel, study finds
For years, researchers have worked to repurpose excess atmospheric carbon dioxide into new chemicals, fuels and other products traditionally made from hydrocarbons harvested from fossil fuels. The recent push to mitigate the climactic effects of greenhouse gases in the atmosphere has chemists on their toes to find the most efficient means possible. A new study introduces an electrochemical reaction, enhanced by polymers, to improve CO2-to-ethylene conversion efficiency over previous attempts. (2021-01-11)

A safer, less expensive and fast charging aqueous battery
Researchers have developed a new battery anode that overcomes the limitations of lithium-ion batteries and offers a stable, high-performance battery using seawater as the electrolyte. (2021-01-11)

Study shows tweaking one layer of atoms on a catalyst's surface can make it work better
When an LNO catalyst with a nickel-rich surface carries out a water-splitting reaction, its surface atoms rearrange from a cubic to a hexagonal pattern and its efficiency doubles. Deliberately engineering the surface to take advantage of this phenomenon offers a way to design better catalysts. (2021-01-11)

Detecting COVID-19 antibodies in 10-12 seconds
Researchers at Carnegie Mellon University report findings on an advanced nanomaterial-based biosensing platform that detects, within seconds, antibodies specific to SARS-CoV-2, the virus responsible for the COVID-19 pandemic. In addition to testing, the platform will help to quantify patient immunological response to the new vaccines with precision. (2021-01-08)

Nanocrystals that eradicate bacteria biofilm
POSTECH-UNIST joint research team finds ways to control the surface texture of nanostructures. (2021-01-08)

Scientists develop a cheaper method that might help create fuels from plants
Scientists have figured out a cheaper, more efficient way to conduct a chemical reaction at the heart of many biological processes, which may lead to better ways to create biofuels from plants. (2021-01-08)

Researchers take key step toward cleaner, more sustainable production of hydrogen
Efficiently mass-producing hydrogen from water is closer to becoming a reality thanks to Oregon State University College of Engineering researchers and collaborators at Cornell University and the Argonne National Laboratory. (2021-01-08)

Beating the bulge with a nice cup of tea
Researchers led by the University of Tsukuba found that healthy volunteers who consumed oolong tea every day had much higher levels of fat breakdown compared with the placebo group, and that the effects were most noticeable during sleep. Importantly, the volunteers developed a tolerance to caffeine over the 2-week study period, with their sleep patterns remaining unaffected by tea or caffeine consumption, indicating that oolong tea may have clinical relevance for weight control. (2021-01-06)

Catalyst transforms plastic waste to valuable ingredients at low temperature
For the first time, researchers have used a novel catalyst process to recycle a type of plastic found in everything from grocery bags and food packaging to toys and electronics into liquid fuels and wax. (2021-01-05)

Sweat, bleach and gym air quality
One sweaty, huffing, exercising person emits as many chemicals from their body as up to five sedentary people, according to a new University of Colorado Boulder study. And notably, those human emissions, including amino acids from sweat or acetone from breath, chemically combine with bleach cleaners to form new airborne chemicals with unknown impacts to indoor air quality. (2021-01-05)

Chemists succeed in synthesis of aminoalcohols by utilizing light
So-called vicinal aminoalcohols are high-quality organic compounds that are found in many everyday products. However, their production is difficult. In their recent study published in the journal Nature Catalysis, scientists led by Prof. Dr. Frank Glorius of Münster University have found a solution for the production of a special variant of aminoalcohols. (2021-01-04)

Researchers regenerate deactivated catalyst in methanol-to-olefins process
Researchers from DICP regenerated deactivated catalyst in industrially important methanol-to-olefins (MTO) process by directly transforming the coke deposited on the zeolite catalyst to active intermediates rather than burning off to carbon oxide. (2021-01-04)

Switching DNA functions on and off by means of light
Biochemists at Münster University have developed a new strategy for controlling the biological functions of DNA (deoxyribonucleic acid) by means of light and therefore provide a tool to investigate processes which take place in cells. The results have been published in the journal Angewandte Chemie. (2020-12-28)

Quantum wave in helium dimer filmed for the first time
For the first time, an international team of scientists from Goethe University and the University of Oklahoma has succeeded in filming quantum physical effects on a helium dimer as it breaks apart. The film shows the superposition of matter waves from two simultaneous events that occur with different probability: The survival and the disintegration of the helium dimer. This method might in future make it possible to track experimentally the formation and decay of quantum Efimov systems. (2020-12-23)

Turning the heat down: Catalyzing ammonia formation at lower temperatures with ruthenium
Scientists at Tokyo Institute of Technology (Tokyo Tech) report that the metal ruthenium, supported with lanthanide oxyhydrides, can efficiently catalyze the synthesis of ammonia at a much lower temperature than the traditional approach. In their new study, they highlight the advantages of the oxyhydride support and its potential in becoming a feasible catalyst for low-temperature ammonia synthesis in the future. (2020-12-23)

Eavesdropping on the pH levels inside the brain
Researchers at Tohoku University have developed the first all-in-one miniature pH probe for real-time investigations of intrinsic extracellular pH dynamics in the deep brain structures. (2020-12-23)

New electron microscopy technique offers first look at previously hidden processes
Northwestern researchers have developed a new microscopy method that allows scientists to see the building blocks of 'smart' materials being formed at the nanoscale. (2020-12-22)

Speeding toward improved hydrogen fuel production
A new material developed by a team led by Berkeley Lab will help to make hydrogen a viable energy source for a wide range of applications. (2020-12-21)

New catalytic approach to accessing key intermediate carbocation
This study revealed the development of a novel iridium based catalyst. The catalyst is capable of accessing the carbocation intermediates of the reaction to achieve an unprecedented level of regioselectivity (>95%) and enantioselectivity (98%). This technology will have far-reaching implications in synthetic, organic, and pharmaceutical chemistry. (2020-12-21)

Shifting gears toward chemical machines
Researchers at the University of Pittsburgh Swanson School of Engineering have utilized a catalytic reaction that causes a two-dimensional, chemically-coated sheet to spontaneously ''morph'' into a three-dimensional gear that performs sustained work. (2020-12-18)

Three-dimensional view of catalysts in action
For understanding the structure and function of catalysts in action, researchers of Karlsruhe Institute of Technology (KIT), in cooperation with colleagues from the Swiss Light Source SLS of Paul Scherrer Institute (PSI) in Switzerland and the European Synchrotron Radiation Facility (ESRF) in France, have developed a new diagnostic tool. Operando X-ray spec-troscopy visualizes the structure and gradients of complex technical catalysts in three dimensions, thus allowing us to look into functioning chemical reactors. (2020-12-17)

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