Flour-derived borocarbonitride enriched with boron-oxygen for the oxidative dehydrogenation of propane to olefins
In a study published in the journal Science China Chemistry, catalytic performance was investigated using a fixed-bed reactor and the structure-activity relationship was studied by combining various characterizations with DFT calculations......»»
New parameter enhances insights into the evolution of mantle"s redox states
The oxygen fugacity (fO2) of the mantle controls the speciation and mobility of volatiles within it, influencing the composition of volatiles released during mantle-derived magmatic activity, and thereby regulating the composition of the atmosphere......»»
Study finds protein reduces toxicity of graphene oxide for drug delivery
A new study has discovered ways to reduce the toxicity of graphene oxide (GO), an ultra-thin sheet of nanomaterial derived from graphite, laying the groundwork to use it as a drug delivery system......»»
Chemists synthesize plant-derived molecules that hold potential as pharmaceuticals
MIT chemists have developed a new way to synthesize complex molecules that were originally isolated from plants and could hold potential as antibiotics, analgesics, or cancer drugs......»»
Water delivered to the mantle by aluminum enriched hydrated slabs?
Dense hydrous magnesium silicates (DHMSs) are generally considered as primary water carriers from the shallow lithosphere to the deep mantle transition region (MTR; 410–660 km in depth). Among DHMSs, Superhydrous phase B (hereafter, SuB) holds the.....»»
First full 2-D spectral image of aurora borealis from a hyperspectral camera
Auroras are natural luminous phenomena caused by the interaction of electrons falling from the sky and the upper atmosphere. Most of the observed light consists of emission lines of neutral or ionized nitrogen and oxygen atoms and molecular emission.....»»
Gulf of Mexico "dead zone" larger than average, scientists find
NOAA-supported scientists have announced that this year's Gulf of Mexico "dead zone"—an area of low to no oxygen that can kill fish and marine life—is approximately 6,705 square miles, the 12th largest zone on record in 38 years of measurement. T.....»»
Sea level changes shaped early life on Earth, fossils show
A newly developed timeline of early animal fossils reveals a link between sea levels, changes in marine oxygen, and the appearance of the earliest ancestors of present-day animals......»»
Getting to the root of a plant"s success
Plants are powerful factories—they can turn basic ingredients like carbon dioxide, water, and sunlight into oxygen, sugars, and plant mass. But plants don't do all of this work on their own......»»
New perspectives for using corals in climate research
Ancient ocean temperatures are most commonly reconstructed by analyzing the ratio of different oxygen atoms in the calcium carbonate remains of fossils. However, this presents many challenges, including a combination of biological processes known as.....»»
Rpv34: A novel plasmopara viticola resistance locus discovered in "Moldova" grapes
A research team identified a P. viticola-resistant locus, Rpv34, in table grapes through analysis of a high-density genetic map with 826 SNPs derived from F1 progenies of "Moldova" (resistant) and "Shine Muscat" (susceptible parent). This discovery,.....»»
Scientists develop revolutionary egg white-based bioink for advanced tissue engineering
Terasaki Institute scientists have created a nature-inspired cutting-edge technology by developing a novel bioink derived from egg whites or egg white methacryloyl (EWMA). A paper describing their work is published in the journal Advanced Functional.....»»
The Mysterious Discovery of ‘Dark Oxygen’ on the Ocean Floor
Researchers believe they have discovered oxygen being produced 4,000 meters below the sea surface, and think polymetallic nodules—the sought-after bounty of deep-sea miners—could be the source......»»
Surface oxygen functionality controls selective transport of metal ions through graphene oxide membranes
Developing efficient, selective, and scalable separations for critical materials, including lithium and magnesium, is essential to meeting the increasing demands for clean energy technologies and alleviating challenges with domestic supply chains. Gr.....»»
"Janus" dual-atom catalyst shows enhanced performance for electrocatalytic oxygen reduction and evolution
A research team led by Prof. Yan Wensheng from the University of Science and Technology of China (USTC) has created the innovative "Janus" dual-atom catalyst (FeCo-N3O3@C) with Fe and Co atoms coordinated synergistically through an N-O bridge, which.....»»
Stress granules found to play an unsuspected role in blood vessel formation
The behavior of the cells that make up our blood vessels is crucial to our well-being. Conditions such as inflammation, oxygen deprivation and viral infection can stress these cells and disrupt the formation of new, often pathological, blood vessels......»»
Study links nanoparticles to oxidative stress and neuron death
Researchers at the University of Kentucky have a better understanding of the regulation of extracellular vesicles by oxidative stress and how these vesicles spread oxidative stress and may damage neurons. Extracellular vesicles are nanoparticles rele.....»»
Innovative method uses oxygen and light to recycle unsaturated polymers
A study published in Cell Reports Physical Science showcases a novel method for the recycling of unsaturated polymers such as rubber and plastics......»»
Fruit fly post-mating behavior controlled by male-derived peptide via command neurons, finds study
Scientists have succeeded in pinpointing the neurons within a female fruit fly's brain that respond to signals from the male during mating......»»
Bubbling with benefits: Hydrogen nanobubbles boost tomato antioxidants
Tomatoes are a key source of antioxidants, crucial for human health as they help combat oxidative stress. Traditional irrigation methods often fail to significantly enhance these beneficial compounds in crops. Hydrogen, known for its unique antioxida.....»»
Defect engineering leads to designer catalyst for production of green hydrogen
Efficient technology for splitting the hydrogen–oxygen bond in water could be the key to producing low-cost, green hydrogen for energy storage at an industrial scale. Green hydrogen is expected to play a significant role in achieving the U.S. Depar.....»»