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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.....»»

Category: topSource:  physorgOct 17th, 2024

Researchers develop mechanism of electrical 180° switching of Néel vector in spin-splitting antiferromagnet

A research team led by The Hong Kong University of Science and Technology (HKUST) and Tsinghua University has theoretically proposed a new mechanism of electrical 180° switching of Néel vector and experimentally realized it in antiferromagnetic mat.....»»

Category: topSource:  physorgRelated NewsApr 9th, 2024

Scientists discover new phage resistance mechanism in phage-bacterial arms race

One of the most abundant and deadliest organisms on Earth is a virus called a bacteriophage (phage). These predators have lethal precision against their targets—not humans, but bacteria. Different phages have evolved to target different bacteria an.....»»

Category: topSource:  physorgRelated NewsApr 8th, 2024

Bias distribution and regulation in photoelectrochemical overall water-splitting cells

The photoelectrochemical (PEC) overall water-splitting reaction (OWS) has been fully developed in the past decade, especially in new catalysts, characterization methods and reaction mechanisms. Compared with the hydrogen evolution reaction (HER), the.....»»

Category: topSource:  physorgRelated NewsApr 8th, 2024

Operando spectroscopy provides a window on water oxidation

Iridium oxide catalysts are effective for water oxidation making them very attractive for green technologies. A team including researchers from SANKEN (The Institute of Scientific and Industrial Research) at Osaka University has therefore taken the c.....»»

Category: topSource:  physorgRelated NewsApr 4th, 2024

Chinese scientists reveal the spinning mechanism of the silkworm

Mulberry silk is a natural protein fiber that is light, soft and fine in nature, known as the "second skin of the human body" and "Queen of fibers." China is the origin of the world's sericulture industry......»»

Category: topSource:  physorgRelated NewsApr 4th, 2024

Researchers discover corn reduces arsenic toxicity in soil

When crops grow in arsenic-contaminated soil, this toxic element accumulates in the food chain. A study involving the University of Basel has now discovered a mechanism used by corn plants to reduce arsenic uptake: the key factor is a special substan.....»»

Category: topSource:  physorgRelated NewsApr 2nd, 2024

Researchers investigate the surface extraction of platinum catalysts in alkaline media

Platinum (Pt) electrodes are crucial for clean power technologies like hydrogen fuel cells and electrolysis. However, the surface oxidation that occurs during such processes degrades catalyst performance and stability......»»

Category: topSource:  physorgRelated NewsApr 2nd, 2024

Research demonstrates anatase supported Ni single-atom catalysts for propane dehydrogenation

Propylene is one of the most important petrochemical raw materials, ranging second after ethylene. To meet the ever-increasing demand, alternative technologies for propylene production are in urgent need, among which the propane dehydrogenation (PDH).....»»

Category: topSource:  physorgRelated NewsApr 1st, 2024

Researchers observe anomalously bright single-molecule upconversion electroluminescence phenomenon

A research group has developed a new and highly efficient upconversion luminescence mechanism by scanning tunneling microscopy (STM) induced luminescence to observe an extraordinarily bright single-molecule upconversion electroluminescence (UCEL) phe.....»»

Category: topSource:  physorgRelated NewsApr 1st, 2024

Researchers reveal structure and assembly mechanism of unique module in cellulosome

Cellulosomes are multi-enzyme complexes known for their efficient lignocellulose degradation, which is valuable in bioenergy technique development. The diverse composition and intricate assembly of cellulosomes give them exceptional substrate degrada.....»»

Category: topSource:  physorgRelated NewsMar 29th, 2024

Researchers discover new microRNA-regulated pathway to boost iPS cell-derived platelet production

A team of researchers led by Professor Koji Eto (Department of Clinical Application) recently discovered the importance of a microRNA-based regulatory mechanism for enhancing the quality and quantity of platelets generated by iPS cell-derived megakar.....»»

Category: topSource:  physorgRelated NewsMar 29th, 2024

Scientists discover a key quality-control mechanism in DNA replication

When cells in the human body divide, they must first make accurate copies of their DNA. The DNA replication exercise is one of the most important processes in all living organisms and is fraught with risks of mutation, which can lead to cell death or.....»»

Category: topSource:  physorgRelated NewsMar 29th, 2024

Memories of mitosis: Molecular mechanism that detects defects during cell division could aid cancer treatment

Every day, our cells are hard at work multiplying. Cell division is a precise process, but sometimes this process is impaired and diseases like cancer occur. Mitosis is one of the most important phases in the cell cycle. During this phase, a cell's D.....»»

Category: topSource:  physorgRelated NewsMar 28th, 2024

If you"re getting dozens of password reset notifications, you"re being attacked

Apple users are becoming the target of a new wave of phishing attacks called "MFA Bombing" that relies on user impatience, and a bug in Apple's password reset mechanism.An example of the Apple ID password reset notificationPhishing attacks often rely.....»»

Category: appleSource:  appleinsiderRelated NewsMar 27th, 2024

Team modulates electronic state of single-atom catalysts by CO molecular decoration for efficient methane conversion

Direct methane conversion has advantages such as low energy consumption, fewer processes, and better economics. However, it is difficult to activate methane at room temperature due to the high dissociation energy of C-H bonds of methane. Additionally.....»»

Category: topSource:  physorgRelated NewsMar 26th, 2024

Discovery of amino acid unveils how light makes stomata open in plants

Scientists from Nagoya University have discovered a novel regulatory mechanism that controls the opening of stomata in plants, which is crucial for harnessing solar energy through photosynthesis. The team uncovered the role of phosphorylation at the.....»»

Category: topSource:  theglobeandmailRelated NewsMar 26th, 2024

Research team introduces superaerophobic three-dimensional nickel catalysts for accelerated water electrolysis

Water electrolysis process is a system that produces hydrogen by electrolyzing water. It is an eco-friendly technology that can produce hydrogen fuel, a future energy source, without emitting environmental pollutants, but its limitations include low.....»»

Category: topSource:  pcmagRelated NewsMar 22nd, 2024

Q&A: Clarifying the megathrust earthquake mechanism

There is a 70-80% chance that the Nankai Trough Megathrust Earthquake will occur in the next 30 years. It is predicted to cause more extensive damage than the 2011 Great East Japan Earthquake and fatalities may exceed 320,000......»»

Category: topSource:  physorgRelated NewsMar 21st, 2024

Research challenges "universal mechanism" concept, aiming to understand specific protein interactions

Heat shock proteins (HSPs) are the chaperones of cellular stress response because they help guide the folding and unfolding of other proteins......»»

Category: topSource:  physorgRelated NewsMar 21st, 2024

New method uses enantioselective nickel catalysis to synthesize multifunctional chiral alkylboron compounds

National University of Singapore (NUS) chemists have conceived a strategy using chiral nickel catalysts to facilitate the carboboration of alkenes, generating high-value enantioenriched alkylboronic esters......»»

Category: topSource:  physorgRelated NewsMar 20th, 2024