Articles tagged with Chemical Compounds
Researchers at Ural Federal University developed a simple method to produce fluorine-containing heterocycles, which are promising building blocks for medicinal chemistry and agrochemistry. The new compounds were found to be highly chemically active and selectively entered into various reactions.
Researchers at Skoltech developed a mathematical model for thermoplastic composite materials, reducing conservatism in strength calculations. The model allows for virtual testing of structures, minimizing manufacturing costs while ensuring safety and quality requirements.
Researchers from Skoltech and their colleagues developed a neural network that can efficiently generate IUPAC names for organic compounds in accordance with the IUPAC nomenclature system. The network, trained using the Transformer architecture, achieved an accuracy of nearly 99%, outperforming traditional rule-based solutions.
Aarhus University researcher Kasper Vita Kristensen is investigating indoor air chemicals, which affect health, productivity, and learning. His project aims to identify chemical sources, processes, and technologies to create a healthier indoor climate for children.
Researchers examined whether individuals are using cannabidiol (CBD) for diagnosable conditions with evidence-based therapies. The study found that many users were seeking alternative treatments, highlighting the need for more research on CBD's efficacy and safety.
Researchers identified chloro-perfluoro-polyether-carboxylate compounds (ClPFPECAs) in soils across New Jersey, suggesting the use of these compounds as PFAS substitutes. The discovery provides insight into the environmental impact and toxicity of next-generation PFAS substitutes.
Researchers analyzed 80 volatile compounds and identified 17 key compounds responsible for wine fragrance. These compounds relate to fruity, woody, toasted, and citric aromas and can help guide the creation of more affordable wines with specific aromatic profiles.
A U.S. Army Research Laboratory researcher has developed a mathematical approach to design chemical compounds, reducing complexity and leveraging machine learning. This method could lead to the discovery of new materials with unique properties.
Kyoto University scientists have created a more cost-effective culture system for human pluripotent stem cells (hPSCs), which can support their long-term renewal without expensive growth factors. The new 'AKIT' culture, using three chemical compounds, is five to ten times cheaper than existing methods.
A study found that 43% of online cannabidiol products had more and 26% had less than the indicated amount on their labels. The findings highlight the need for stricter regulations and testing standards to ensure these products are used for medicinal purposes.
Researchers use metabolomics to analyze chemical compositions of Espeletia plants and confirm hypothesis on their origin and migration routes along the northern Andes. The study suggests that geographic isolation favored allopatric speciation in this plant genus.
Researchers developed predictive models that accurately anticipate the smell of molecules based on just a handful of features, outperforming traditional methods. The DREAM Olfaction Prediction Challenge demonstrated the potential for crowdsourced competition to advance our understanding of scent perception.
A study by the University of Cincinnati's James L. Winkle College of Pharmacy uses mathematical modeling to predict chemical compound behavior in biological tissues, such as skin. This approach enables researchers to test cosmetic or consumer products virtually, reducing the need for animal testing.
A QMUL PhD student has found a simple way to produce two ancient chemical compounds, sultones and sultines, which have applications in antiviral agents and may lead to new treatments for diseases such as HIV and Herpes. The breakthrough reduces the production process from five to two steps, increasing yield by nearly 100%.
A new study published in the Journal of Environmental Analytical Chemistry found that 'heated tobacco' products, like iQOS, release chemical compounds into the air when activated, similar to secondhand cigarette smoke. The findings suggest these devices should be regulated similarly to regular cigarettes in indoor spaces.
A team of researchers has developed a virtual archive of building blocks to create nano-knots of all shapes and forms. By studying the shape of fragments, they found that complex knots can be assembled efficiently from just four helical fragments.
Researchers at Northwestern University developed a compact terahertz radiation source that operates at room temperature, offering improved security detection capabilities. The device has a wide frequency coverage and can detect explosives, chemical agents, and biological substances from safe distances.
Researchers at KU Leuven have developed a metal-free chemical reaction to produce fully functional 1,2,3-triazoles, a key compound for pharmaceutical drugs. The new method expands the possibilities for creating complex compounds without relying on harmful heavy metals.
Biologists discovered a new plant species, Piper kelleyi, that is home to an estimated 40-50 insect species, most of which are entirely dependent on the plant for survival. The study highlights the importance of unique plant compounds in driving evolution and biodiversity.
Dartmouth researchers have developed a pH-activated molecular switch that controls the assembly of a commercially available liquid crystal, changing its readout color from purple to green. This technology may help detect harmful gases, pathogens, and explosives.
Researchers from Germany and Slovakia have found that triclosan concentrations in the Elbe river basin exceeded predicted no-effect concentrations by up to a factor of twelve. Triclosan is currently not included in routine monitoring programs, despite being used extensively in personal care products and sportswear.
Research finds that benzene and BTEX emissions remained dissolved in the Gulf of Mexico, posing a potential health risk to cleanup workers. However, other substances released by crude oil could become airborne, threatening worker health if inhaled.
Baylor researchers propose using data from similar chemicals to predict environmental toxicity and develop environmental safety values. This approach could help prioritize chemical testing, reducing the need for unnecessary animal testing while maintaining environmental safety.
Scientists have developed a new material consisting of copper-coated silica nanoparticles that can eliminate unpleasant odors. These nanoparticles are up to twice as effective as the current gold standard, activated carbon, in removing foul-smelling substances like ethyl mercaptan.
Scientists developed a new approach to eliminating unpleasant odors using nanoparticles coated with copper, which are hundreds of times smaller than peach fuzz. These particles show promise for removing sulfur contaminants and harmful bacteria.
Researchers at Florida Institute of Technology have developed a streamlined process for synthesizing the chemical compound CDNI-Glu, reducing production time from 150 hours to 24 hours. The licensed technology will be commercially available through Tocris, enabling neuroscientists to study brain neural networks more efficiently.
Scientists at Carnegie Institution create novel 'compound' from pure boron, exhibiting low mass, high strength, and response to neutron irradiation. The discovery builds on previous superconductivity findings in boron and paves the way for understanding its transition to superconductivity under pressure.
Researchers at Southern Methodist University identified four potent chemical compounds that slow neuron degeneration, a key cause of old-age diseases like Alzheimer's and Parkinson's. The compounds, called 3-substituted indolin-2-one derivatives, are non-toxic even at high doses, offering hope for halting neurodegenerative diseases.
Researchers have found semiconducting nanotubes produced by living bacteria, opening the door to cheaper and more environmentally friendly manufacture of electronic materials. The discovery could lead to novel functionality for next-generation semiconductors in nano- and opto-electronic devices.
A new XML-based architecture could improve access to chemical information in biomedical literature, reducing errors and increasing publication efficiency. The proposed system would link to open databases like PubChem, enabling readers to easily identify compounds mentioned in articles.
Arthur Gossard, a professor at UCSB, has received the James C. McGroddy Prize for his contributions to molecular beam epitaxy, a key technology for compound semiconductors used in wireless and fiber-optic devices. The prize honors his work on device applications and physical understanding of low-dimensional structures.
Researchers have discovered chemical cousins of an antimalarial drug that show promise in treating serious antibiotic-resistant infections. The compounds, originally developed to treat malaria and other parasitic infections, have been found to be as active as many currently used drugs against a range of bacteria, including staphylococc...
Scientists at Ohio University and Russia discovered that carnosine and N-acetyl-carnosine can prevent alcohol's assault on red blood cells, allowing them to maintain their healthy shapes. The findings have implications for the development of a treatment for anemia in alcoholics.
A team of astronomers has discovered a new molecule, nitrogen sulfide, in comets, which may offer insights into the formation of the early solar system. The compound's presence in comets suggests that it could have originated from the material that formed the planets.
Using high-intensity ultrasound, researchers discovered a dramatically improved catalyst for removing sulfur-containing compounds from gasoline and other fossil fuels. The new form of molybdenum disulfide is 10 times more active than the standard industrial catalyst.
New anti-TBT regulations may actually increase environmental and human health risks for countries with limited resources. The regulations result in $4 billion in added fuel costs for the shipping industry.
Seventy percent of ships use TBT-based paints, which pose a constant but low release risk. Researchers are exploring alternative antifouling technologies that can match performance while being environmentally safe.
A new measurement technique developed by researchers at the University of Illinois can identify and measure up to 30 compounds found in a single cell. The method uses nanoliter sampling, capillary electrophoresis, and fluorescence spectroscopy to provide a detailed snapshot of the cell's physiology.
The Harbor Branch Oceanographic Institution has received a three-year, $1.1 million grant to investigate the potential anticancer properties of Discodermolide, a marine-derived compound. The study aims to evaluate the effectiveness of Discodermolide on experimental models of human lung, breast and ovarian cancers.
In a study by Cornell University, male fire-colored beetles (Neopyrochroa flabellata) entice females with a chemical offering containing cantharidin. The female ingests the chemical, which is then transferred to her eggs, protecting them from predators. This unique strategy highlights the resourcefulness of male insects in seeking mates.