Catalytic synthesis of phenols with nitrous oxide
The emission of greenhouse gases threatens the global environment, and scientists around the world are increasingly committed to addressing this issue. While many research groups focus on carbon dioxide (CO2) or methane (CH4) revalorization strategie.....»»
Progress in the low-cost electrochemical synthesis of ammonia
Ammonia (NH3) is mass-produced for use in the agricultural, pharmaceutical, and sustainable energy sectors. However, its conventional synthesis methods are environmentally unfriendly, so we need alternatives! Recently, Scientists from Daegu Gyeongbuk.....»»
Apple again said to be using 120Hz ProMotion displays in "iPhone 13" lineup
Another supply chain report is giving more credence to previous claims that the "iPhone 13 Pro" lineup will have a 120Hz refresh display.Mockup of "iPhone 13 Pro"Low-temperature polycrystalline oxide (LTPO) displays have been rumored for the iPhone f.....»»
High index surfaces-exposed nanodendrites as ORR electrocatalyst
Alloying is a general and efficient strategy to boost the catalytic activity of Pt catalysts toward oxygen reduction reaction (ORR) through electronic and geometric effects. Besides, high-index surfaces (HISs) of Pt also exhibit superior ORR activity.....»»
Apple reportedly to adopt LTPO display technology for new iPhones
Apple reportedly will adopt LTPO (low-temperature polycrystalline oxide) backplane technology for OLED displays in its premium iPhones to be launched later in 2021, according to industry sources......»»
Enantioselective synthesis of indole derivatives
Indoles, and structures derived from them, are a component of many natural substances, such as the amino acid tryptophan. A new catalytic reaction produces cyclopenta[ b ] indoles—frameworks made of three rings that are joined at the edges—very s.....»»
For highly active, sustainable catalysts, just add phosphorus
Catalysts are crucial to making industrial processes viable. However, many of the non-precious metal catalysts used for synthesis have low activity, are difficult to handle, and/or require harsh reaction conditions. Osaka University researchers have.....»»
Ancient atmospheric oxygen sleuthing with ocean chromium
Found in jewelry, car parts, pigments, and industrial chemical reactions, the metal chromium and its compounds are often employed for their color, finish, and anti-corrosive and catalytic properties. Currently, geoscientists and paleoceanographers fr.....»»
Oxygen-promoted synthesis of armchair graphene nanoribbons on Cu(111)
On-surface synthesis has received great attention as a method to create atomically-precise one-dimensional (1D) and two-dimensional (2D) polymers with intriguing properties. In particular, graphene nanoribbons (GNRs), a category of quasi-1D nanomater.....»»
Depositing iron species inside ZSM-5 to oxidize cyclohexane to cyclohexanone
The directly catalytic oxidation of alkanes has high atomic economy and application value to form corresponding chemical organic products such as alcohols, aldehydes, ketones and carboxylic acid. It is challenging to achieve efficient and selective o.....»»
Researchers develop third and final "made-to-order" nanotube synthesis technique
The current method of manufacturing carbon nanotubes—in essence rolled up sheets of graphene—is unable to allow complete control over their diameter, length and type. This problem has recently been solved for two of the three different types of n.....»»
Standing out: Unusual magnetic transition in perovskite oxide can help boost spintronics
Transition metal perovskite oxides exhibit several desirable properties, including high-temperature superconductivity and electrocatalysis. Now, scientists at Tokyo Institute of Technology explore the structure and properties of a perovskite oxide, P.....»»
Microbial consumption of mineral nitrogen promotes HONO emissions in agricultural soils
A new study indicates that microbial nitrate reduction is an important nitrous acid (HONO) production pathway in aerobic soils. This suggests that the terrestrial ecosystems favoring it could be hotspots for HONO emissions, thereby influencing atmosp.....»»
High-loading atomically dispersed Ir/MoC catalyst for hydrogenation reaction
Atomically dispersed catalysts have received extensive research attention, because they exhibit excellent activity and unique selectivity for many important catalytic reactions. The atomically dispersed nature of these metal catalysts confers their u.....»»
Chemists achieve breakthrough in the production of three-dimensional molecular structures
A major goal of organic and medicinal chemistry in recent decades has been the rapid synthesis of three-dimensional molecules for the development of new drugs. These drug candidates exhibit a variety of improved properties compared to predominantly f.....»»
Beware of fellow bacteria bearing gifts: Research presents new potential antimicrobial agents
Skoltech researchers examined the antibiotic compounds that employ a 'Trojan horse' strategy to get into a bacterial cell unrecognized and prevent the synthesis of proteins, ultimately killing the cell. They were able to identify new gene clusters th.....»»
Gallium Oxide: The Supercharged Semiconductor
A new compound semiconductor could surpass gallium nitride in RF and power electronics Image: Air Force Research Laboratory Victory Over Voltage: The U.S. Air Force Research Lab used this gallium oxide transistor to m.....»»
Electrochemical synthesis of formate from carbon dioxide using a tin/reduced graphene oxide catalyst
Decreasing the emission and efficient utilization (fixation) of carbon dioxide (CO2) are worldwide issues to prevent global warming. Promotion of the use of renewable energy is effective in reducing CO2 emissions. However, since there are large time-.....»»
Short-lived plant species are more climate-sensitive
Plant species with short generation times are more sensitive to climate change than those with long generation times. This is one of the findings of a synthesis study by researchers from the German Center for Integrative Biodiversity Research (iDiv),.....»»
Catalytic hydrogenation of carbon dioxide to methanol
Efficient conversion of CO2 is strategically significant for alleviating the energy crisis and achieving the goal of carbon neutrality. One promising conversion route is the hydrogenation of CO2 to methanol using a renewable energy-based "green hydro.....»»
Solving the ancient problem of nucleic acid synthesis gives clues for the design of new antiviral drugs
An international team of scientists from the University of Turku, Finland and PennState University, U.S. have solved a long-standing mystery of how living organisms distinguish RNA and DNA building blocks during gene expression paving the way for the.....»»