Articles tagged with Carbon Dioxide
Researchers at KAIST have developed a hybrid system that combines electrochemical CO2 conversion with microbial bioconversion to produce bioplastics. The system resulted in the world's highest productivity, producing up to 83% of cell dry weight as bioplastic from CO2.
A team of researchers at USTC has developed a stable single-site copper coordination polymer that significantly improves the efficiency of ethylene production through electroreduction of CO2. The catalyst enables efficient carbon-carbon coupling without compromising its structural stability.
A European consortium has achieved a world-record solar-to-fuel efficiency of over 10% in converting CO2 and H2O into sustainable fuels using sunlight. The innovative cell produces hydrogen continuously (24/7) without the use of critical raw materials.
A recent study at Baskett Forest found that forests reach an ecosystem wilting point between 2-4 weeks of extreme drought, requiring soaking rainfall to rejuvenate. This concept explains how whole forests respond to drought and is essential for understanding their dynamics under climate change.
Rice University scientists have developed a method to engineer wood that traps carbon dioxide while increasing its strength. This process involves removing lignin and hemicellulose from the wood and replacing them with metal-organic framework particles, making it a sustainable alternative to traditional materials.
Researchers at Berkeley Lab have developed a new technique that captures real-time movies of copper nanoparticles as they convert carbon dioxide into renewable fuels and chemicals. The study reveals that metallic copper nanograins serve as active sites for CO2 reduction, paving the way for advanced solar fuel technology.
Research suggests that rapid ocean warming could force plankton to move away from the tropics, negatively affecting marine food chains. The study used microfossils to track the history of zooplankton and found that tropical plankton populations lived in waters more than 2,000 miles from their current location 8 million years ago.
Researchers at Tata Institute of Fundamental Research developed a plasmonic black gold-nickel catalyst that efficiently converts CO2 into chemicals using solar energy and green hydrogen. The catalyst shows a multifold increase in catalytic activity, achieving a high production rate of 2464±40 mmol g−1 h−1 with over 95% selectivity.
Researchers at Hokkaido University have developed a new method using cooperating catalysts to perform challenging dearomative carboxylation reactions. This process enables the production of α-amino acids, which are potentially useful for drug development, and offers greater freedom in designing and synthesizing molecules with carboxyl ...
Researchers found that elevated CO2 levels increase water use efficiency in trees by adjusting stomata opening and closing. The 'g1 number' tool helps predict tree responses under future atmospheric conditions.
A CSIC study suggests that injecting billions of tonnes of atmospheric CO2 underground can safely store the gas for millions of years, even with fractured rocks. The technology, called geological CO2 storage, has the potential to achieve carbon neutrality and mitigate climate change.
A new hybrid catalyst converts CO2 into ethylene in one pot, using abundant earth materials. The catalyst achieves high efficiency in CO2 reduction to CO, with up to 60% conversion rate to ethylene.
Researchers have developed a novel technique to produce hydrogen peroxide without releasing carbon dioxide, reducing greenhouse gas emissions. The method uses photocatalysis and carbon nitride as a catalyst, making it more cost-effective and environmentally friendly.
A Cornell University collaboration has made an innovative discovery by incorporating carbon dioxide into organic molecules via electrosynthesis. The team successfully created carboxylated pyridines, which are vital to medicinal chemistry, using a novel electrochemical reactor setup.
A team led by Professor Thorsten Hoffmann uses small, portable observation drones equipped with miniaturized sensors to analyze volcanic gases and predict eruptions. The ratio of carbon dioxide levels to sulfur dioxide can reveal the likelihood of an impending eruption.
Researchers genetically engineered a microbial community that can convert CO2 into sugar and produce useful chemicals, effectively acting as a living carbon sink. The community, consisting of bacteria and cyanobacteria, produces chemicals with a negative carbon balance.
Scientists have discovered a long-sought plant water loss-regulating sensor, composed of two proteins working together to regulate stomatal movements in response to changing CO2 concentrations. This finding has significant implications for trees, crops, and wildfires, as well as efficient plant water use and CO2 uptake.
An international research team proposes using engineered nanoparticles to fertilize ocean plankton, encouraging growth and carbon dioxide uptake. The approach has been shown to be safe and effective in enhancing plankton growth through controlled release of nutrients.
A new study reveals that global warming and ocean acidification are threatening marine organisms with calcium carbonate skeletons, such as corals and sea urchins. The researchers found a clear pattern showing that species with high levels of magnesium in their skeletons become more common with warmer seawater temperatures.
A new study reveals that large parts of Europe are experiencing faster-than-average warming during summer months, leading to worse heatwaves and an increased risk of fires. The climate across the continent has also become drier, particularly in southern Europe.
Researchers at the University of Surrey have developed a technology that captures CO2 from the atmosphere and transforms it into useful chemicals. The switchable Dual Function Materials (DFMs) can produce multiple chemicals depending on operating conditions, making it responsive to demand fluctuations.
A new study of 25 comets has found strong evidence that comet outgassing could be the source of the chemical composition of the early solar system. The research, led by Olga Harrington Pinto, measured the ratio of water, carbon dioxide, and carbon monoxide gases from comets to test predictions of solar system formation and evolution.
A recent study by University of Cologne researchers found that the public is more willing to support costly climate policies if other countries contribute as well. This increased willingness is due to individuals expecting these efforts to be fairer and more effective. The team surveyed over 10,000 citizens in four countries and discov...
Researchers identified carbon-dioxide-fixing cells from seawater and used Raman-spectroscopy to determine that they engage in photosynthesis. The study reveals that uncultured Pelagibacter spp., one of the most abundant SAR11 marine bacteria, can use light-powered metabolism for CO2 fixation in seawater.
A research team from POSTECH and KAIST found that cations play a crucial role in converting CO2 into valuable chemical products like ethylene. The study reveals a new mechanism for high-performance catalytic conditions, paving the way for carbon-neutral technologies.
Researchers have identified a single mutation in the MDS3 gene that improves yeast's tolerance to carbon dioxide pressure, resulting in full-flavored beer. This breakthrough could lead to improved quality beer production worldwide.
Researchers at Hokkaido University have developed a new catalyst that uses carbon dioxide to produce propylene more efficiently than existing methods. The catalyst also captures and converts carbon dioxide into useful resources. This breakthrough contributes to the carbon neutralization of the petrochemical industry.
Researchers at KAUST developed conductive membranes that stimulate microbial growth and separate biochemical products, reducing the CO2 conversion time from over 30 days to just one month. The membranes use nickel nanoparticles to catalyze hydrogen production, enhancing efficiency and stability in microbial electrosynthesis systems.
A new study from the University of Oklahoma is investigating the use of carbon dioxide to produce acrylic acid, a key component in various household products. By replacing propene with CO2, researchers aim to reduce production costs and create a more valuable resource.
A long-term study on transmyocardial revascularization (TMR) using a carbon dioxide Heart Laser demonstrates significant pain relief for five years. TMR has been shown to improve the quality of life for severe angina patients with no other treatment options.
Researchers at the University of Florida have developed a new treatment method using carbon dioxide to eliminate bacteria from fresh fruit juice, preserving its flavor and appearance. The process is as effective as heat pasteurization in reducing pathogens, but without the undesirable taste change.
A new study from the Wellman Laboratories of Photomedicine at Massachusetts General Hospital found that Er:YAG laser treatment is as effective as CO2 laser for wrinkle removal but with fewer side effects. Patients experienced less skin reddening and faster recovery times with Er:YAG, which requires more passes to achieve similar results.
Researchers continuously monitored carbon dioxide flux at a 35-acre tree-kill area near Horseshoe Lake, discovering daily cycles that defy temperature explanation. The data suggests barometric pressure oscillations and Earth tides may influence the degassing rate, highlighting the complexity of volcanic gas emission.