Clingy copper ions contribute to catalyst slowdown
Heavy-duty diesel trucks on the road today are equipped with aftertreatment systems that include selective catalytic reduction (SCR) technology using urea solution as a reducing agent to curtail harmful nitrogen oxide (NOx) emissions from engine exha.....»»
Unique IDs for individual (digital) specimens from natural history museums streamline and future-proof science
The wealth of data hosted in natural history collections can contribute to finding a response to global challenges ranging from climate change to biodiversity loss to pandemics. However, today's practices of working with collected bio- and geodiversi.....»»
Beyond "one pore at a time": New method of generating multiple, tunable nanopores
Nanoporous membranes with atomic-scale holes smaller than one-billionth of a meter have powerful potential for decontaminating polluted water, pulling valuable metal ions from the water, or for osmotic power generators......»»
How emissions from Brazilian Pantanal"s soda lakes contribute to climate change
Seasonal variations with alternating dry and rainy seasons and fluctuating levels of nutrients are factors that significantly influence greenhouse gas emissions from soda lakes in the Pantanal, considered less common than emissions from freshwater la.....»»
New copper metal-organic framework nanozymes enable intelligent food detection
Nanozymes have high catalytic activity, high stability and high adaptability, and have become a new sensitive material for building sensors in the field of detection. Designing and preparing efficient nanozymes and promotion of their application in f.....»»
Molecular computing method uses metal ions to mimic complex mathematical functions
Researchers at the University of Twente have developed a new method that allows them to precisely control chemical reactions using metal ions. This marks an important step toward computers that function like the human brain. They recently published t.....»»
Advancing green chemistry: A tandem catalyst for efficient biomass conversion
The global demand for sustainable energy sources has intensified the search for environmentally friendly alternatives to fossil fuels. Biomass waste, a byproduct of various industrial processes, presents an untapped potential for the production of bi.....»»
Copper-based nanocapsules shown to enhance radiotherapy effectiveness
In a study published in Nature Nanotechnology, researchers discovered that cuproptosis may serve as a new target for radiosensitization in re-irradiation......»»
Study reveals gender gap in ecology research
Women working in the field of ecology contribute overproportionately to research output, as shown by a recent study that reveals facets of gender bias in the context of scientific publications that have received little attention until now......»»
Simulated construction of plant-based fish meat with composite structure via 3D printing
To date, about 90% of fish resources worldwide have already reached their sustainable fishery limit. Meanwhile, intensive farming and aquaculture contribute to significant environmental pollution and degradation. To address both the challenges of lim.....»»
Tracking plasma progression in a picosecond: Physicists develop ultra-fast laser method to study high-density plasmas
In a few picoseconds (trillionths of a second), a small, thin piece of copper momentarily becomes dense plasma, specifically a state called warm dense matter, warm being a relative term—the metal is nearly 200,000 degrees Fahrenheit. With the short.....»»
Dams built to prevent coastal flooding can worsen it
The common practice of building dams to prevent flooding can actually contribute to more intense coastal flood events, according to a new study......»»
Enzyme-inspired catalyst puts chemicals in right position to make ethers
Taking inspiration from enzymes, chemists at the University of Illinois Urbana-Champaign developed a catalyst to simplify the synthesis of ethers, key functional components of many drugs, foods, personal care items and other consumer goods. The catal.....»»
Catalyzing environmental cleanup: A highly active and selective molecular catalyst and electrified membrane
Some chemicals create environmental problems; others, fortunately, can help clean them up. Chemists from Yale University and their colleagues have developed an electrochemical catalyst and membrane that offers an efficient and sustainable way to trea.....»»
Report recommends "highly ambitious enterprise" to create UK microbiome biobank
CABI has played a leading role in the creation of a new report, facilitated by the National Biofilms Innovation Centre (NBIC), which is calling for a "highly ambitious enterprise" to create a microbiome biobank that will contribute significantly to t.....»»
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......»»
Zeolite catalyst method uses microwaves to convert waste cooking oil into useful chemicals
Researchers from Kyushu University have revealed that a zeolite material called Na-ZSM-5 is effective in improving the chemical conversion of biomass into olefins—a precursor chemical that makes everything from plastics to pharmaceuticals—using m.....»»
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.....»»
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.....»»
Zeolite catalyst method use microwaves to convert waste cooking oil into useful chemicals
Researchers from Kyushu University have revealed that a zeolite material called Na-ZSM-5 is effective in improving the chemical conversion of biomass into olefins—a precursor chemical that makes everything from plastics to pharmaceuticals—using m.....»»
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.....»»