Articles tagged with Amines
A new method has been developed for synthesizing alkyl amines using photocatalysis alongside copper catalysis, overcoming the challenge of alkyl group synthesis. The approach allows for high selectivity and compatibility with functional groups, and can be carried out at ambient temperatures.
Researchers at Tokyo Tech have developed a highly selective Ru/Nb2O5 catalyst that produces primary amines from carbonyl compounds with ammonia, achieving yields of up to 99% and outperforming other catalysts.
Researchers at Rice University have simplified the synthesis of electrophilic aminating agents, which can incorporate nitrogen atoms into molecules in a single efficient step. This breakthrough process eliminates the need for transition metals or high temperatures, making it an environmentally friendly alternative.
Researchers at Osaka University have developed a new catalyst for amide hydrogenation that operates under mild conditions, allowing for the efficient conversion of amides to amines. The catalyst enables sustainable pharmaceutical production with minimal by-products and high selectivity.
A new rhodium-based catalyst enhances hydrosilylation of olefins by 96%, outperforming existing supported-rhodium catalysts. The co-immobilization of a tertiary amine on silica improves catalytic activity, paving the way for sustainable solutions.
Scientists have developed a new broad-spectrum antibiotic that can target gram-negative bacteria, which are increasingly resistant to most available antibiotics. The breakthrough was achieved by modifying a drug that kills only gram-positive bacteria and discovered key traits required for access to the bacterial cell.
Researchers at KAIST have synthesized DNA-copper nanoflowers using eco-friendly conditions, exhibiting high DNA loading capacities and low cytotoxicity. The hybrid nanoflowers show exceptional peroxidase activity, enabling sensitive detection of molecules.
Researchers from North Carolina State University developed a series of computer models that can predict the CO2 absorption properties of amine solutions based on their chemical structure. The models utilize machine-learning techniques and have been found to reliably discriminate between amines with high absorption properties and those ...
Researchers at EPFL have developed a new method for synthesizing aryl-containing amines, a crucial class of compounds in pharmaceuticals. The new method uses nitroarenes as a starting material and eliminates the need for expensive intermediate steps, reducing costs and increasing efficiency.
A new chemotherapy, RCn, has shown promising results in killing cancer cells while minimizing harm to normal cells. The drug effectively shrinks tumors in mice and improves the delivery of other chemotherapy drugs.
Researchers at TIFR Mumbai have designed functionalized nanomaterials that offer superior CO2 capture capacity and stability compared to conventional materials. The new sorbents feature high amine loading with minimal decrease in surface area, making them suitable for efficient CO2 capture.
A new chemical process developed by WPI's Marion Emmert may significantly improve pharmaceuticals' ability to bind with biological targets, producing therapeutic effects. The team aims to streamline production of existing drugs like Asacol, shortening its manufacturing time.
Researchers at TSRI have developed a novel reaction to synthesize complex amines using abundant compounds, offering improved efficiency and reduced costs. The new method has been successfully applied in pharmaceutical research, providing access to valuable drug compounds.
A new sensor developed by MIT chemists uses carbon nanotubes to detect gases emitted by rotting meat, offering a cheaper and more accurate alternative to traditional methods. The sensor could reduce food waste by identifying safe consumption dates for perishable items.
Researchers have developed a new material that can capture carbon dioxide from air more efficiently than current methods, releasing CO2 at lower temperatures. This technology could reduce energy costs by half or more for power plants and potentially be used in submarines to remove CO2 from the sea.
Researchers at Cornell University have invented carbon-trapping sponges that outperform industry benchmarks, reducing toxicity and increasing efficiency. The innovative technology uses a silica scaffold with nanoscale pores to capture carbon dioxide in the presence of moisture.
Researchers at Rice University have created an environmentally friendly compound that effectively captures carbon dioxide emissions from industrial flue gases and natural gas wells. The new material, combined with buckminsterfullerene molecules, achieves high selectivity and efficiency in capturing carbon dioxide while rejecting methane.
Researchers at MIT have developed an electrochemical system for capturing carbon dioxide from power plant emissions that can operate without a steam connection. This 'plug-and-play' solution could potentially capture 90% of CO2 from plant emissions while consuming only 25% of the plant's power output.
A Northwestern University study shows that removing one olfactory receptor from mice can have a profound effect on their behavior, highlighting the importance of individual genes in sensory perception. The research reveals that a single gene, TAAR4, is necessary for mice to avoid predators based on the scent marks of carnivores.
A Rice University team has found that using waste heat can remove more CO2 from coal-fired power plant emissions economically. The researchers hope to reduce the costs of CO2 capture by creating an integrated reaction column that uses waste heat, engineered materials and optimized components.
A recent study suggests that consuming meat related compounds, particularly those found in red and processed meats, may be linked to an increased risk of bladder cancer. The researchers found that individuals with the highest intake of nitrate and nitrite had a significantly higher risk of developing bladder cancer.
Scientists have validated a new organoclay material that is safer and more environmentally friendly for making plastics. The new material achieves mass producible organoclays that are cheaper and generate less dust compared to current alternatives.
Researchers have demonstrated a simple regeneration technique using waste steam, producing concentrated CO2 suitable for sequestration or other use. The study improves stability and efficiency of solid amine materials for high-volume industrial applications.
The study expands protein analysis to C-terminal proteins and enables assessment of specific regions' roles in biological functions. This new approach can be applied ex-vivo or in-vivo and has implications for understanding essential protein functions.
A study found that quaternary amines in household cleaning products can form NDMA when mixed with chloramine. This process is of concern to health officials as sewage treatment plants may not remove all these precursors, potentially leading to environmental contamination.
A study published in JAMA found that using N-terminal brain natriuretic peptide (BNP) to guide therapy did not improve overall clinical or quality of life outcomes for older patients with heart failure. In contrast, the study showed improved survival rates and reduced hospitalizations for patients receiving BNP-guided therapy.
A new ruthenium catalyst allows for the selective synthesis of primary amines directly from alcohols and ammonia under mild conditions. This process avoids toxic reagents and waste products, making it ecologically and economically beneficial.
Researchers have discovered an inexpensive, clean way to prepare amines, nitrogen-containing organic compounds used in various industries. The new method produces no waste and is faster than current costly two-step process.
Researchers developed a new, low-cost material to capture CO2 from coal-fired power plants. The hyperbranched aluminosilica (HAS) material has high capacity and can be reused multiple times, offering a cost-effective solution for large-scale carbon capture.
A team of Purdue chemists has found that amines can form stable bonds with gold surfaces, making them suitable for coating sensors and other devices. This discovery could expand the range of molecules used in biotech applications, particularly in biosensors that detect proteins in the blood to indicate disease.
Researchers discovered a new compound, T1 amine, that rapidly induces hypothermia, slows heart rate, and drops blood pressure in mice. This effect may provide a valuable tool to manage patients with acute hypermetabolic states, including hyperthyroidism.
A study by government scientists found restaurant-prepared meats contain cancer-causing compounds up to ten times higher than similar fast food items. Heterocyclic amines, formed during cooking, are believed to contribute to cancer in people.
A task force of scientists concludes that smoked foods sold in the US are virtually safe due to limitations in epidemiological studies. The researchers suggest other factors may cause correlations between cured meats and childhood cancers, such as diet composition.