Mechanism of cobalt–manganese catalysts deciphered
Conventional catalysts for hydrogen production via water electrolysis usually contain precious metals and are expensive. However, cheaper alternatives have been developed, for example cobalt–manganese catalysts. They have a high activity and are st.....»»
Tens of thousands of potential catalysts in the diameter of a single hair
When searching for catalysts for the energy transition, materials consisting of at least five elements are considered highly promising. But there are theoretically millions of them—how do we identify the most powerful one?.....»»
Deep-ultraviolet birefringent hydrogel based on 2D cobalt-doped titanate
A birefringence based light modulator that works in the wavelength region of < 350 nm plays a vital role in DUV beam shaping, high density data storage, semiconductor micro-nano processing and photolithography. Actually, a series of DUV birefringent.....»»
Building better catalysts to close the carbon dioxide loop
The best way to stave off the worst effects of climate change is to reduce CO2 emissions around the world. And one way to do that, says Zhongwei Chen, a professor in the Department of Chemical Engineering at the University of Waterloo, is to capture.....»»
Building better enzymes—by breaking them down
Enzymes have the potential to transform the chemical industry by providing green alternatives to a slew of processes. These proteins act as biological catalysts, and with the help of molecular engineering, they can make naturally occurring reactions.....»»
Scientists reveal the mechanism of temperature-dependent structure evolution during electrocatalyst formation
Recently, a research team led by Prof. Liang Haiwei from University of Science and Technology of China (USTC) of the Chinese Academy of Sciences (CAS) studied the structure evolution of intermetallic compounds, a fuel cell electrocatalyst, under high.....»»
Cubes outperform spheres as catalyst particles
To date, nanoparticles as catalysts for green hydrogen have been like rowers in an eight: researchers could only measure their average performance, but couldn't determine which one was the best. This has now changed following the development of a new.....»»
Study reveals new insights on the mechanism of melanin formation
The skin is presumably the largest and one of the most versatile body organs. By providing a physical barrier, it protects our body from environmental assaults. Melanin—a natural pigment produced by specialized skin cells called melanocytes—shiel.....»»
New super I-mode obtained on EAST
A new plasma operation scenario Super I Mode was discovered and demonstrated on the Experiment Advanced Superconducting Tokamak (EAST). The new high-confinement and self-organizing mechanism represents the reliability and advancement of the machine i.....»»
Researchers uncover key codon repeats regulating chilling tolerance in rice
A recent study by Prof. Chong Kang's group from the Institute of Botany of the Chinese Academy of Sciences (CAS) has revealed a novel cold domesticated repair mechanism for DNA damage in rice, providing corresponding elite modules for the improvement.....»»
Researchers reveal mechanism of fatigue damage by high thermal loads in tungsten composites
The relationship between microstructure evolution and property degradation of two representative second-phase dispersion strengthened tungsten materials after electron beam thermal loading was investigated recently by a collaborated research team fro.....»»
Cave markings show that Ice Age hunter-gatherers were the first to use a lunar calendar
A small team of researchers some independent, some affiliated with University College and the University of Durham, all in the U.K., has deciphered cave markings made by Ice-Age hunters tens of thousands of years ago. In their paper published in the.....»»
Tesla faces higher lithium prices as supplier amends deal
Unlike prior agreements where prices are locked in, Piedmont’s deal with Tesla relies on a floating mechanism based on market prices, according to the statement......»»
Researchers uncover evidence of "hidden state" involving common ion
While conducting an otherwise straightforward investigation into the assembly mechanism of calcium-phosphate clusters, researchers at UC Santa Barbara and New York University (NYU) made a surprising discovery: Phosphate ions in water have a curious h.....»»
Study reveals seasonal peak photosynthesis hindered by late canopy development in northern ecosystems
The dynamic change mechanism of the seasonal peak rate of photosynthesis, also known as GPPmax (Maximum Gross Primary Productivity), has become a hot topic in carbon cycle research. In the Northern Hemisphere, the GPPmax of vegetation is closely rela.....»»
Chemists create framework for the oxidation of hydrocarbons
RUDN University chemists have created new copper-containing metallasilsesquioxane frameworks. Some of them have proven to be effective catalysts for the oxidation of hydrocarbons. The results are published in Molecules......»»
Scientists uncover a novel cellular mechanism that regulates aging and fertility
Research at the Institute of Molecular Biology and Biotechnology (IMBB) of the Foundation for Research and Technology-Hellas (FORTH), published today in the journal Nature Aging, reveals a fundamental quality control mechanism that operates in cells.....»»
Unraveling the selective transport of sugar and a hormone that underlies male fertility in plants
Researchers at Nagoya University, Japan, have discovered a mechanism for the selective transportation of sugar and hormones in plants. The results also clarify that sugar transportation is necessary for male fertility in plants, which means pollen pr.....»»
Researchers discover "Humpty-Dumpty" water-based mechanism of human sex reversal at edge of developmental ambiguity
Researchers from Indiana University School of Medicine have discovered a molecular "clamping" mechanism within a male-specific protein-DNA complex whose mutation causes sex reversal: children with XY chromosomes but female bodies, a condition called.....»»
Multi-heterointerfaces for selective and efficient urea production
A major impediment to industrial urea synthesis is the lack of catalysts with high selectivity and activity. Prof. Yuliang Li (Institute of Chemistry, Chinese Academy of Sciences) and coworkers reported a new catalyst system suitable for the highly s.....»»
Seven years of carbon-based electrochemical catalysts: Where we are and where we need to go
The abundant carbon on Earth might offer a rich, renewable resource for clean, sustainable energy. The technology—called carbon-based electrochemical catalysis—that could make green energy conversion possible exists, according to an international.....»»