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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:  physorg20 hr. 44 min. ago

Mechanism behind autophagy trigger unveiled

An international research team led by Osaka University has identified a new mechanism crucial for the initiation of autophagy, a self-degradation process cells use to eliminate unneeded or damaged components. In recent years, autophagy has also been.....»»

Category: topSource:  physorgRelated NewsSep 24th, 2024

Researchers identify novel endocytic recycling mechanism with "kiss-and-run" membrane fusion

Endocytosis and recycling control the uptake and retrieval of various materials in eukaryotic cells. Mammalian cells have developed several recycling routes, including the relatively extensively studied "fast" and "slow" tubulovesicular recycling pat.....»»

Category: topSource:  physorgRelated NewsSep 20th, 2024

How a bacterial pathogen that causes dysentery manipulates molecular activity to assure its survival

Virginia Tech researchers have learned how bacteria manipulate molecules to infect the host organism. Daniel Capelluto and his research team have discovered the mechanism by which the bacterial pathogen Shigella flexneri, the causative agent of dysen.....»»

Category: topSource:  physorgRelated NewsSep 20th, 2024

Schottky junction catalysts boost hydrogen production with non-precious metals in water electrolysis

Electricity-driven water electrolysis has garnered notable attention as an environmentally friendly method for hydrogen production, with high-purity hydrogen being crucial for addressing the energy crisis. Nonetheless, water electrolysis hydrogen evo.....»»

Category: topSource:  physorgRelated NewsSep 20th, 2024

New mechanism uncovered for the reduction of emu wings

.Researchers have uncovered a novel mechanism underlying the skeletal reduction and asymmetry of emu wings. Their research reveals that the absence of distal muscle formation results in a lack of mechanostress during development, leading to the obser.....»»

Category: topSource:  physorgRelated NewsSep 19th, 2024

Template synthesis creates multilayered perovskites with unique ferroelectric behavior

A group of Nagoya University researchers in Japan has synthesized 4- and 5-layered versions of the important electrical material perovskite. Analyzing the mechanism of ferroelectricity in the material, they found it has a unique function: the materia.....»»

Category: topSource:  physorgRelated NewsSep 18th, 2024

Greener pastures: Better ammonia production for a more sustainable future

Energy demands are at an all-time high, as is the need to be environmentally conscious. That's why chemical engineering professors Drs. Joseph Kwon and Mark Barteau have developed a strategy to predict the performance of new catalysts for greener amm.....»»

Category: topSource:  physorgRelated NewsSep 17th, 2024

Scientists discover nonstomatal control of water loss in critical crops

Scientists have discovered that certain plants can survive stressful, dry conditions by controlling water loss through their leaves without relying on their usual mechanism—tiny pores known as stomata......»»

Category: topSource:  physorgRelated NewsSep 16th, 2024

Dual-feedback mechanism can enhance anti-oxidation coatings in fiber composites

Fiber-reinforced ceramic matrix composites (CMCs) have been the primary choice for radome materials in hypersonic vehicles due to their high toughness, strength, and other advantageous properties. However, oxidation by oxygen in the atmospheric envir.....»»

Category: topSource:  physorgRelated NewsSep 12th, 2024

Researchers aim to control gene expression by studying the memories of cells

Communication between cells is now believed to activate a memory mechanism that sustains gene expression, a finding based on the work of Dr. Gregory Reeves......»»

Category: topSource:  physorgRelated NewsSep 12th, 2024

Researchers solve long-standing mystery of alumina surface structure

Aluminum oxide (Al2O3), also known as alumina, corundum, sapphire, or ruby, is one of the best insulators used in a wide range of applications: in electronic components, as a support material for catalysts, or as a chemically resistant ceramic, to na.....»»

Category: topSource:  physorgRelated NewsSep 12th, 2024

Discovery about ice layer formation in ice sheets can improve sea level rise predictions

A newly discovered mechanism for the flow and freezing of ice sheet meltwater could improve estimates of sea level rise around the globe......»»

Category: topSource:  physorgRelated NewsSep 12th, 2024

Development strategies for using carbon-based catalysts in CO₂ conversion

One of the primary drivers of climate change, CO2 emissions, has reached over 35 million tons worldwide. With global annual temperatures still rising, reducing CO2 emissions has become a necessity. To turn this necessity into an opportunity, research.....»»

Category: topSource:  physorgRelated NewsSep 12th, 2024

Elucidating the mechanism underlying de novo membrane formation during gametogenesis

Researchers at University of Tsukuba have meticulously examined the gametogenesis of budding yeast, a process involving meiosis and spore formation, using live imaging techniques. Their findings reveal that during sporulation, the endoplasmic reticul.....»»

Category: topSource:  physorgRelated NewsSep 11th, 2024

The olive tree"s blueprint: Key insights into high-quality oil production

A pivotal study has decoded the genetic basis of olive oil production, revealing a key regulatory mechanism that shapes oil biosynthesis. By mapping the olive tree's genome and metabolic pathways, researchers have identified how MYC2, a critical tran.....»»

Category: topSource:  physorgRelated NewsSep 11th, 2024

Researchers reveal the mechanisms behind cobalt X-ide electrocatalysts

The unsung heroes of electrochemical reactions—electrocatalysts—can assist in optimizing factors such as the reaction's speed, yield, and energy consumption. As such, these electrocatalysts are crucial for optimizing large-scale production in the.....»»

Category: topSource:  pcmagRelated NewsSep 11th, 2024

Chromium doping enhances catalyst performance for faster oxygen evolution

A group of researchers has made significant progress in developing cost-effective catalysts for the oxygen evolution reaction (OER), a critical component in technologies such as water splitting and metal-air batteries......»»

Category: topSource:  theglobeandmailRelated NewsSep 11th, 2024

Researchers reveal performance boost mechanism in single-atom catalyst for oxygen evolution reaction

Hydrogen energy, with its green, low-carbon and high-calorific-value properties, is emerging as the new key to solving the energy crisis. Electrochemically, water splitting has garnered much attention as a promising hydrogen production technique. How.....»»

Category: topSource:  informationweekRelated NewsSep 9th, 2024

Green hydrogen: MXenes show talent as catalyst for oxygen evolution reaction

The MXene class of materials has many talents. An international team led by HZB chemist Michelle Browne has now demonstrated that MXenes, properly functionalized, are excellent catalysts for the oxygen evolution reaction in electrolytic water splitti.....»»

Category: topSource:  informationweekRelated NewsSep 9th, 2024

Theoretical model for multisite alloy catalyst design quantifies active site contributions

Two research teams have developed a novel theoretical model to describe the overall activity of multisite alloy catalysts. In their study published in Journal of the American Chemical Society, they propose a concept of equivalent site ratio and succe.....»»

Category: topSource:  physorgRelated NewsSep 9th, 2024