Articles tagged with Carbon
Researchers at Kanazawa University have developed a novel method for generating alkyl radicals under mild conditions using organoboron compounds and visible-light. The new protocol enables the generation of bulky tertiary alkyl radicals and unstable methyl radicals, which are useful carbon sources for chemical reactions.
UC Berkeley researchers develop a new catalyst to add functional groups to the strongest carbon-hydrogen bonds, opening doors to novel molecule synthesis. The breakthrough could lead to rapid production of complex structures for drugs, plastics, and other chemicals.
Researchers at the University of Maryland have developed a novel method to mix immiscible metals at the nanoscale, creating a range of bimetallic materials. This breakthrough enables the rapid synthesis of copper-based alloys with uniform structure and morphology.
Scientists discovered that more carbon than expected stayed in the mantle, suggesting it was sequestered into lighter elements like silicon and oxygen in the core. Despite this, the majority of Earth's total carbon inventory still likely exists in the core.
Excess electrons can shatter carbon-fluorine bonds in PFAS, breaking them down into by-products that may accelerate the process. The discovery offers a potential method to tackle widespread contamination of water supplies across America.
Researchers at Waseda University developed a new method to convert carbon dioxide into methane at low temperatures. This process can improve carbon capture and utilization, enabling the production of valuable energy resources.
Researchers at the Beckman Institute developed a technique to create chemically cross-linked carbon-nanotube-based fibers, significantly improving their electrical and mechanical properties. This breakthrough enables the creation of high-performance supercapacitors with potential applications in fields like aerospace.
A University of Arizona-led team used air-based maps of plant chemistry to better understand tropical forest responses to climate change. By combining traditional on-the-ground measurements with aerial data, researchers improved carbon cycling models and gained insights into the role of forests in the global carbon cycle.
At low concentrations, carbon monoxide has a beneficial effect by interacting with signaling proteins, suppressing inflammation and protecting tissues from oxidative stress. Researchers are exploring safe and effective delivery methods to harness its therapeutic potential for diseases such as sepsis and cancer.
Researchers developed a new systematic analysis method that uses machine learning to integrate computational model with experimental results, providing atomic-level data on carbon surface chemistry. This allows for better understanding of carbon-based materials without human-induced bias.
A new catalyst developed by Stanford University engineers can convert carbon dioxide into fuels like ethane, propane, and butane, yielding four times more fuel than existing methods. The breakthrough could significantly reduce the near-term impact on global warming.
A Cornell University collaboration has developed a reactive copper-nitrene catalyst that breaks C-H bonds and forms C-N bonds, crucial for pharmaceutical manufacturing. The catalyst's reactivity is due to the absence of two electrons in the nitrogen atom, making it highly reactive.
Researchers at Berkeley Lab have identified a new possible pathway for forming carbon structures in space, shedding light on a radical wrinkle in complex carbon molecule formation. The study used a portable chemical reactor and X-rays to produce ringed molecules known as polycyclic aromatic hydrocarbons.
A novel catalysis system reduces carbon dioxide to methane in a single step, eliminating intermediate steps. The system uses copper and nanostructured silver surfaces, yielding higher methane concentrations than copper-only systems.
Researchers at Karlsruhe Institute of Technology (KIT) have developed a method to directly synthesize graphene from greenhouse gas carbon dioxide. The process involves a catalytically active metal surface, resulting in a simple one-step conversion. This breakthrough could lead to the production of valuable materials and contribute to r...
Researchers at EPFL have developed a high-efficiency catalyst converting CO2 into carbon monoxide, paving the way for recycling fossil fuels' carbon dioxide to preserve resources and limit greenhouse gas emissions.
A new process uses chemical methods to purify samples and detect modern forgeries by analyzing binding agents, providing a clear result. This method was tested on a famous case and proved effective in detecting a fake painting from the 20th century.
Scientists at Tokyo Tech developed a novel material, Ti2InB2, for synthesizing layered TiB using a clever search strategy. The discovery expands the application of MAX phases in lithium-ion batteries.
Researchers at the University of Illinois have developed an artificial process that converts carbon dioxide into fuel using visible light and electron-rich gold nanoparticles. The new process produces complex, liquefiable hydrocarbons from excess CO2 and sunlight, paving the way for green energy technology.
A new study reveals that microbes play a crucial role in sequestering carbon from subduction zones, influencing climate change. The research found that about 94% of subducted carbon is deposited as calcium carbonate and microbial biomass in the forearc subsurface.
A groundbreaking study reveals that microbes in subduction zones consume and trap carbon, reducing its availability on Earth's surface. This process has significant implications for understanding Earth's fundamental processes and the potential to mitigate climate change.
Researchers at Michigan Technological University have developed a carbon dioxide scrubber that converts captured CO2 into oxalic acid, a naturally occurring chemical used in the processing of rare earth elements. The technology has shown promising results, reducing emissions to below two percent and demonstrating potential for US produ...
For the first time, researchers have created carbon fibers with uniform pores, enabling greater surface area and improved energy storage. This breakthrough, achieved using block copolymers, opens up new possibilities for designing functional materials.
Researchers directly measured calcium, carbonate and pH at coral calcification sites using microscopy and microsensor measurements. They found that parameters are higher in corals than in surrounding seawater, highlighting the importance of calcium and carbon concentrating mechanisms.
Researchers at Lawrence Berkeley National Laboratory have discovered a copper catalyst that can efficiently convert carbon dioxide into valuable chemicals and fuels without wasteful byproducts. This breakthrough could enable the production of renewable fuels, reducing dependence on fossil fuels and lowering greenhouse gas emissions.
Researchers at Aalto University developed a new computational model to identify and classify atomic environments on customised carbon surfaces. This knowledge will enable the creation of tailored surfaces for biomedical applications, including real-time monitoring of patient blood levels.
Researchers at MIT have developed a self-healing material that can grow, strengthen and repair itself by reacting with carbon dioxide from the air. The material, made from a polymer and chloroplasts, becomes stronger as it incorporates the carbon.
Researchers at the University of Pittsburgh have developed a new MOF that can selectively react with hydrogen molecules over carbon dioxide, allowing for efficient removal of CO2 from the atmosphere. This breakthrough technology has the potential to reduce net CO2 emissions and create valuable chemicals and fuels.
Researchers at UD are developing a solar-driven carbon dioxide utilization technology to produce chemicals and fuels without using fossil sources. The system aims to reduce greenhouse gas emissions by utilizing carbon-neutral solar electricity.
A new type of battery developed by MIT researchers can convert carbon dioxide into a solid mineral carbonate as it discharges. This approach could potentially reduce the cost of carbon capture systems and make them more economically viable. The battery is made from lithium metal, carbon, and an electrolyte that incorporates captured CO2.
Vanderbilt University researchers have discovered a way to produce cheap and small carbon nanotubes from air, which are supermaterials stronger than steel and more conductive than copper. This breakthrough could steer the conversation towards using these materials in future technology, rather than just focusing on reducing emissions.
Researchers found that smaller Ru particles increase the TOF of the reaction, while maintaining selectivity towards GVL. The smallest metal particle size (1.2 nm) showed high activity at both room and elevated temperatures.
A new study found that mountain erosion can also release CO2 into the atmosphere, far faster than it's absorbed by newly-exposed rock. Tiny microbes in mountain soils 'eat' ancient organic carbon, spewing out CO2.
Researchers at the University of Bonn used ultrashort laser pulses to create a highly reactive variant of carbon dioxide, which can form new bonds with other molecules. This breakthrough has the potential to change ideas about extracting and using greenhouse gases for chemical industry.
Researchers have developed a new process for creating complex molecules in just a few steps, making it more efficient and environmentally friendly. The method involves C-H activation, allowing for the transformation of a single C-H bond into a functional group, enabling easy combination of two different molecules.
Scientists at Washington State University and Tufts University have demonstrated that a single metal atom can act as a catalyst in converting carbon monoxide into carbon dioxide. This breakthrough could lead to more efficient and cost-effective catalytic converters, essential for reducing harmful emissions from car exhaust.
Researchers created a sustainable wood carbon sponge material by treating balsa wood, making it highly compressible and suitable for strain sensing and various applications. The material's unique structure provides exceptional mechanical and fatigue resistance, outperforming most reported compressible carbonaceous materials.
Researchers at the University of Maryland have created a durable wood carbon sponge that can withstand repeated compression and extreme mechanical conditions. The sponge has potential applications in energy storage, pollutant treatment, and wearable electronics.
Researchers can now study pollutants and emissions more comprehensively by tracking the changing chemistry of carbon molecules in the air. A new method established by Gabriel Isaacman-VanWertz allows for accurate depiction of a compound's behavior over time.
A University of Washington study identifies a new combination of gases that could provide evidence of life: methane plus carbon dioxide minus carbon monoxide. This imbalance signals life, and the method is doable and may lead to the historic discovery of an extraterrestrial biosphere.
University of Delaware researchers have developed catalysts that transform lignocellulosic biomass into high-carbon molecules suitable for jet fuel, enabling cost-competitive and sustainable production. The process operates at low temperature and is scalable, addressing the need for non-petroleum-based fuels for aviation.
A Caltech team has identified a new additive that selectively converts CO2 into fuels containing multiple carbon atoms, including ethylene, ethanol, and propanol. The reaction resulted in an 80% conversion rate, with only 20% going into hydrogen and methane.
Chemical weathering, a process breaking down rocks and trapping carbon dioxide, can occur at tens of thousands of years, not millions, potentially alleviating some climate change impacts. This natural response to increased CO2 levels could help balance the effects of human activities.
Researchers at Osaka University have developed a new method for building complex organic molecules by selectively transforming strong carbon-fluorine bonds. This breakthrough enhances the control over chemical reactions, enabling more synthetic freedom for constructing intricate carbon structures.
Scientists at USC and Caltech have accelerated calcite dissolution in seawater, which could neutralize carbon in deep ocean waters. This process, known as buffering, naturally occurs billions of years and can help mitigate atmospheric CO2.
Researchers created a new form of ultrastrong, lightweight carbon by pressurizing and heating glassy carbon to extreme temperatures. This material has unique properties that make it suitable for various applications, including aerospace engineering and military armor.
A team of UCLA chemists has developed a new technique for breaking carbon-hydrogen bonds and making carbon-carbon bonds, enabling the creation of new molecules. This method uses silicon and boron as abundant and inexpensive catalysts, potentially leading to more efficient production of fuels and pharmaceuticals.
Research finds atomic carbon in young star systems' debris disks, indicating minimal hydrogen presence. This suggests the gas is generated through collisions rather than being primordial.
A team of scientists has created a novel photothermocatalytic reaction that reduces CO2 to form useful carbon sources, opening new avenues for efficient CO2 conversion. The process utilizes powdered elemental boron as an all-in-one catalyst, light harvester, and hydrogen source.
Researchers at Indiana University have engineered a molecule that harnesses sunlight to convert carbon dioxide into a carbon-neutral fuel source. The new molecule uses nanographene to absorb light and triggers a highly efficient reaction to produce carbon monoxide, a versatile raw material in industrial processes.
Researchers have made discoveries about the behavior of carbonate species at saltwater surfaces, finding that the more highly charged carbonate ion was more abundant than expected. This raises questions about the global carbon cycle and potential applications in carbon sequestration and biology.
Analysis by Carnegie's Marion Le Voyer and Erik Hauri has doubled the world's known finds of mantle carbon, revealing a more complex distribution than previously thought. The team studied tiny magmatic inclusions trapped inside solid crystals that protected them from degassing during magma ascent and eruption.
Researchers use neutron diffraction to study high-pressure and high-temperature phases of solid carbon dioxide, shedding light on the Earth's carbon cycle and potential for carbon substitution with silicon dioxide. The study provides new insights into the behavior of carbon dioxide under extreme conditions.
A Spanish-Italian team has discovered that carbonaceous chondrites can synthesise complex organic compounds in the presence of water and formamide. This suggests that these meteorites played a vital role in the origins of life in the universe.
Researchers simulate carbon dissolution in water-rich fluids at the Earth's upper mantle, revealing unexpected forms of carbon, and challenging previous geochemical models. The study suggests that water transports carbon mostly through highly active ions, not dissolved CO2 molecules.
Researchers have discovered a new material called diamond nanothread (DNT) that boasts exceptional strength, flexibility, and conductivity. DNT has the potential to be used in various applications, including ultra-strong composites, flexible electronics, and even space elevators.
A collaboration of Chinese and U.S. chemists has developed a highly efficient new method to convert carbon-hydrogen bonds into nitriles, common components of bioactive molecules used in medicinal and agricultural applications.
Researchers at Caltech develop efficient synthesis route for ryanodol, a key intermediate on the path to producing the insecticide ryanodine. The new method reduces reaction steps by five, enabling faster production of the molecule. This breakthrough also opens up possibilities for studying biological function and developing new drugs.
Researchers at Rice University have developed a recipe to make carbon capture materials the best they can be. Experiments showed that once a sorbent material achieved a surface area of 2,800 square meters per gram, neither more surface area nor larger pores made it more efficient at capturing carbon dioxide.
Researchers at U of T have developed a technique to convert climate-warming carbon dioxide into useful chemicals, such as methanol and ethanol, by consuming the greenhouse gas. The breakthrough uses nanoneedles to catalyze the reaction, producing CO2 reduction faster than any catalyst previously reported.