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.....»»
Naming and shaming can be effective to get countries to act on climate, study shows
Enforcement is one of the biggest challenges to international cooperation on mitigating climate change in the Paris Agreement. The agreement has no formal enforcement mechanism; instead, it is designed to be transparent so countries that fail to meet.....»»
iPhone 15 boxes have new security mechanism to prove authenticity
There are a lot of scams out there involving Apple products, and it’s no different with the iPhone. This year, with the iPhone 15, Apple seems to have implemented a new security mechanism based on UV light to prove the authenticity of the device an.....»»
How does voltage drive nonmetallic catalysts to perform electrocatalytic reactions?
Understanding how voltage drives nanoscale electrocatalysts to initiate reactions is a fundamental scientific question. This is especially challenging when dealing with non-metallic electrocatalysts due to their low inherent carrier concentration, wh.....»»
Researchers reveal composition and regulatory mechanism of the nucleolar vacuole in C. elegans
A team led by Prof. Guang Shouhong and Prof. Feng Xuezhu from the University of Science and Technology (USTC) of the Chinese Academy of Sciences (CAS) revealed, for the first time, the composition and regulatory mechanism of the nuclear vacuole in C......»»
Profiling artemisinin"s antimalarial mechanism: Research team reveals crucial target proteins
Jigang Wang and colleagues have made significant progress in unraveling the antimalarial mechanisms of artemisinin (ART) and its derivatives. Their latest research, published in the journal Engineering, sheds light on the crucial target proteins and.....»»
Scientists design fresh tomatoes suitable for mechanical harvesting
According to a study published in Nature Plants, Chinese scientists have elucidated the mechanism of fruit shape formation in tomatoes and have developed fresh tomatoes for mechanical harvesting......»»
How do zeolite-encapsulated metal catalysts act on hydrogen-related catalytic reactions?
Zeolites encapsulated metal and metal oxide species (regarded as metal@zeolite) are an important type of heterogeneous catalyst. They give performances that steadily outperform the traditional supported catalysts in many important reactions and have.....»»
Scientists unravel the chemical mechanism behind silica-coated nanodiamonds
Coating something rare—tiny shards of diamond—with the main ingredient in sand might sound unusual, but the end result turns out to have a number of valuable applications. The trick is, nobody knows for sure how the two materials bond......»»
Recent advances in nickel-based catalysts for electrochemical reduction of carbon dioxide
In a paper published in Advanced Sensor and Energy Materials, an international team of scientists reviewed recent advances in nickel-based catalysts for electrochemical reduction of carbon dioxide. The relevant CO2RR mechanisms are first discussed in.....»»
Insights into the biodiversity of annelids in the world"s largest deep-sea mineral exploration region
The demand for rare raw materials, such as cobalt, is fueling the exploration of the deep-sea floor for mining. Commercial deep-sea mining is currently prohibited in areas beyond national jurisdiction, but companies are permitted exploratory operatio.....»»
Study explores mechanical properties of molybdenum disulfide nanoribbons with armchair edges
The properties of nanoribbon edges are important for their applications in electronic devices, sensors, and catalysts. A group of scientists from Japan and China studied the mechanical response of single-layer molybdenum disulfide nanoribbons with ar.....»»
Notorious fungus Aspergillus fumigatus completely scrambles its genome after just one bout of sex
Researchers at Wageningen University & Research (WUR) have found that Aspergillus fumigatus produces more meiotic crossovers than any other organism. This means that the fungus can establish its complex resistance mechanism after just one cycle of se.....»»
Researchers develop novel catalyst for carbon dioxide hydrogenation to formate
Hydrogenation of carbon dioxide (CO2) to formate is an attractive approach for the utilization of this greenhouse gas. However, non-precious metal-based catalysts for CO2 hydrogenation to formate suffer from either low activity or low stability. It i.....»»
Nutrients drive cellular reprogramming in the intestines of fruit flies
Researchers have unveiled an intriguing phenomenon of cellular reprogramming in mature adult organs, shedding light on a novel mechanism of adaptive growth. The study, which was conducted on fruit flies (Drosophila), provides further insights into de.....»»
Inheritance of parental histones safeguards fate of mouse embryonic stem cells
Researchers led by Prof. Gan Haiyun from the Shenzhen Institute of Advanced Technology (SIAT) of the Chinese Academy of Sciences (CAS) have documented the parental histones inheritance safeguard mechanism, in which parental histone allocation contrib.....»»
Scientists elucidate the corrosion mechanism of anodes in seawater electrolysis
Prof. Lu Zhiyi, Prof. Wang Aiying and their collaborators at the Ningbo Institute of Materials Technology and Engineering (NIMTE) of the Chinese Academy of Sciences have elucidated the corrosion mechanism of corrosive anion Br- on Ni-based anodes, co.....»»
Researchers reversely trap isolated atoms in high oxidation to accelerate oxygen evolution reaction kinetics
Single-atom catalysts (SACs), representing the ultimate high atom utilization efficiency and specific activity, have arguably become the most active new frontier in heterogeneous catalysis. The technology of atom trapping based on support effects is.....»»
Study reveals molecular mechanism underlying cross-membrane transport of plant hormone abscisic acid
Abscisic acid (ABA) is a key plant hormone produced in response to abiotic stress such as drought and salt. It is mainly synthesized in roots and vascular tissues and transported to specific sites to exert physiological functions. Several ABA transpo.....»»
New anode models for green hydrogen production
Researchers from the Interface Science Department at the Fritz Haber Institute of the Max Planck Society conducted experiments using atomically defined model pre-catalysts to unveil intricate details of the electrocatalytic water splitting reaction,.....»»
Striking gold with molecular mystery solution for potential clean energy
Hydrogen spillover is exactly what it sounds like. Small metal nanoparticles anchored on a thermally stable oxide, like silica, comprise a major class of catalysts, which are substances used to accelerate chemical reactions without being consumed the.....»»