Articles tagged with Organic Chemistry
Researchers at Linköping University used computer simulations to show that stable aromatic molecules can become reactive after absorbing light. This could enable new ways to control photochemical reactions using the aromaticity of molecules.
Despite DeepMind's neural network claiming superiority, scientists question its performance on predicting electron interactions in chemical systems. The BBB test set shows limited understanding of fractional-electron systems, raising concerns about the AI's ability to generalize.
Researchers at Heidelberg University have created crystalline materials that can selectively bind polyfluorinated hydrocarbons on their surface. The porous crystals show extremely high selectivity for adsorbing fluorine-containing greenhouse gases, which have a significant impact on global warming.
Scientists have discovered a novel 22-step process to produce biologically active tetrodotoxin and its derivatives from commercially available starting materials. This concise synthesis will help better understand TTX biosynthesis and chemical ecology, potentially informing the development of next-generation clinical analgesics.
Researchers at Ohio State University have developed an artificial protein that could provide new insights into chemical evolution on early Earth. The protein, inspired by a key enzyme in energy production, has been shown to build molecules one step at a time, shedding light on how organic chemistry matured on the planet.
Researchers at Aarhus University have developed an easy and inexpensive method for linking molecules to DNA sequences with desired functions. The method uses sulfonyl azides to introduce various functionalities, avoiding the need for expensive and unstable special phosphoramidites.
Researchers at Eindhoven University of Technology accidentally discovered that adding more water to a liquid solution turns it back into a gel, and then further dilution forms another gel. The team's findings have significant implications for various fields in chemistry and biology.
Researchers from Japan have found that organic vapors can trigger the dissolution of molecular salts in a way similar to water vapor. This phenomenon, known as organic deliquescence, has potential applications for cleaning up indoor pollutants and can be used to remove volatile organic compounds (VOCs) from indoor environments.
Rensselaer researchers will use a five-year grant to develop novel inhibitors of the SARS-CoV-2 virus's CLpro and PLpro proteases. The team aims to create an orally bioavailable drug that can be administered at home, with the potential for improved antiviral activity when combined with other drugs like remdesivir.
Researchers at Kyoto University have discovered a novel hydroxy-iodide (HSbOI) cluster compound with large, positively charged clusters. This finding may open up new possibilities in the design of solid-state catalysts.
Harvard researchers develop new method to extend the lifetime of organic molecules in organic aqueous flow batteries, improving their commercial viability. The approach works by periodically providing a shock to revive decomposed molecules, resulting in a net lifetime increase of up to 260 times.
A researcher at the University of Tsukuba has developed a method for producing electrically conductive polymers with helical configurations, which can convert linearly polarized light into circular polarization. This approach may lead to cheaper and more energy-efficient electronic displays.
Researchers developed a sustainable method of synthesizing diphenylmethanol derivatives using Chinese alumina, reducing waste and costs. The new method recycles alumina by washing it with water and drying between usages, making it an environmentally friendly alternative.
Scientists at the University of Copenhagen have discovered a new class of highly reactive chemical compounds called hydrotrioxides. Formed during atmospheric decomposition of substances like isoprene and dimethyl sulfide, these compounds are stable enough to react with other atmospheric compounds.
Professor Holger Frey's innovative research aims to preserve PEGylation benefits while avoiding immune system recognition. His project RandoPEGMed seeks to create modified polymers for medicinal agents, potentially solving the problem of increasing antibody resistance.
A new study reveals that two equal charges in enzymes do not repel each other, but instead attract, facilitating chemical reactions. The researchers used protein crystallography to obtain a structural snapshot of the substrate before the reaction and found an attractive interaction between the enzyme and substrate.
Researchers at Aarhus University have developed improved DNA nanostructures that can assemble biomolecules with multiple functions, increasing the effectiveness of cancer treatment. The new structures are more stable, non-toxic, and immune system-friendly than previous versions.
Researchers at the University of Cologne's Institute of Organic Chemistry have created a novel method for producing synthetic messenger RNA (mRNA) with site-specifically introduced non-natural nucleotides. This approach allows for better therapeutic applications and study of cellular processes.
Scientists from University of Würzburg create custom-made nanographene with cavities to hold smaller PAHs, forming two- and three-layer complexes in solution. They also isolate pairs as solids, leading to promising results for solar cells
Scientists develop a sensitive electrochemical detector using cerium oxide nanozyme to identify organophosphate pesticides in plants. The method provides an unprecedented wider linear range and a detection limit of 0.06 mmol/L, making it suitable for detecting trace amounts of pesticide residues.
Researchers at RIKEN successfully treated cancer in mice using metal catalysts that assemble anticancer drugs inside the body. The technique avoids indiscriminate tissue damage and increases cancer-inhibiting activity by 1000 times.
A team of researchers has fully identified the production process of thymol and carvacrol in thyme and oregano, respectively. The findings could lead to improved plant breeding and the development of new antibacterial and anti-inflammatory substances.
Researchers at Martin Luther University Halle-Wittenberg developed a rapid and precise method to analyze CBD oils, detecting both CBD and tetrahydrocannabinol (THC) with high accuracy. Twelve out of twelve tested samples contained about as much or slightly more CBD than indicated on their packaging.
The £17M Innovation Centre for Applied Sustainable Technologies (iCAST) aims to translate sustainable chemical technology research into commercial products. The centre will deliver 10 joint industry projects a year, tackling critical challenges in clean growth and addressing the UK's climate emergency.
Researchers at Martin-Luther-Universität Halle-Wittenberg have developed novel, inexpensive catalysts for alkynes reactions. Alkynes are activated through a soft manner, mimicking gold and platinum-based catalysts, with aluminum oxide being a more accessible alternative.
Researchers developed a simpler, greener method for producing Grignard reagents using environment-friendly paste-based technology. This new process drastically cuts down on the use of hazardous organic solvents and could lead to reduced production costs and environmental benefits.
Osaka University researchers have successfully synthesized a stable, crystalline nanographene with predicted magnetic properties, opening the door to revolutionary advances in electronics and magnets. The breakthrough uses a simplified model system called triangulene, which has long been elusive due to polymerization issues.
Researchers from South Ural State University discovered the reasons for the stability of salts, attributing it to the properties of electron density distribution. The study reveals the importance of chemical bonding in multi-centre character, paving the way for predicting material properties.
KAUST researchers propose a radical new mechanism for polycyclic aromatic hydrocarbon (PAH) formation, which consumes fewer radicals than current hypotheses. The mechanism involves resonance-stabilized radicals, allowing successive addition reactions to occur without activation.
Researchers used machine learning to analyze core-loss spectroscopy data, revealing connections between spectral data and material properties. The study successfully predicted intensive and extensive material properties, enabling high-throughput development of new materials.
The Danish NMR Center is part of the PANACEA consortium, enabling European researchers to access state-of-the-art solid-state NMR equipment. The project will provide trans-national access to over 30 unique NMR spectrometers and develop new web-based software tools for simplified analysis.
A team of researchers from Osaka University has designed a sulfonated polyaniline network for reservoir computing, achieving 70% accuracy in speech recognition tasks. The device uses an electrochemical approach and has potential applications in the development of artificial intelligence devices.
Scientists at Kyoto University have created a simple method to convert CO2 into metal-organic frameworks (MOFs), offering a promising approach to dispose of the greenhouse gas. The new technique, which requires lower temperatures and pressures, demonstrates potential for widespread adoption and could help mitigate global warming.
A novel manganese-based catalyst has been developed to efficiently deconstruct commercial and end-of-life polyurethane (PU) materials into monomeric building blocks. This process enables the creation of virgin polymeric material with the same characteristics as the original material, promoting a circular plastic economy.
Researchers at IOCB Prague have developed a novel antibacterial material called NANO-LPPO that can prevent infection and facilitate treatment of skin wounds. The material combines lipophosphonoxins with a nonwoven nanotextile, which releases active substances in response to bacterial presence.
Scientists at Kanazawa University have discovered a new method for determining the chirality of amines, which involves reactions with 'color indicator' molecules that produce different colors depending on the enantiomer present. The approach enables easy naked-eye differentiation between enantiomers and could be used to quantify enanti...
Researchers have successfully formed rings made of three pyrroles for the first time, which could be used to produce compounds with unique properties. The discovery explains why tripyrrolic macrocycles were not observed before due to strain issues.
Michigan Tech researchers developed a model to calculate how particular chemicals break down in surface water using singlet oxygen, which degrades contaminants and helps protect our waterways. The study's findings can aid environmental engineers and scientists in estimating half-lives of chemicals and predicting their degradation rates.
A recent study reveals enormous chemical complexity in commercial beers, tracing tens of thousands of different molecules. The diversity originates from raw materials, processing, and fermentation.
Researchers at Hokkaido University have designed a highly stable platinum-gallium catalyst that can support propylene production at very high temperatures, making it suitable for a month. The 'doubly decorated' catalyst is alloyed with lead and calcium, which blocks side reactions and improves stability.
A new synthesized chemical compound demonstrates how introducing diradical systems can alter the properties of carbon nanotubes, including spin states and aromaticity. The findings show smaller singlet state systems exhibit in-plane aromaticity and stability.
A new study from the University of Washington reveals that underrepresented students are more likely to drop out of STEM courses due to lower grades in general chemistry. However, if they complete the first course with a minimum grade, they are more persistent and continue in STEM. The study suggests that teaching methods, including tr...
University of Houston assistant professor Judy Wu is examining a connection between noncovalent interactions and aromaticity, which could control the strengths of noncovalent interactions for drug and materials discovery. Her project aims to bridge computer models with practical impacts in biomedical research.
The Italian Chemical Society and Elsevier have recognized three young chemists for their outstanding research in Italy. The Reaxys SCI Early Career Researcher Award highlights the work of these talented individuals, who are making significant contributions to the field of chemistry.
A new SFB will analyze the influence of non-coded RNAs on cardiovascular system processes. The collaboration aims to find new therapeutic target molecules for cardiovascular diseases.
Researchers discovered that specific pentagonal and hexagonal molecular building blocks can self-sort through geometric complementarity. This phenomenon allows for the creation of nanostructures with predictable geometries, such as tubular structures with pentagonal pores.
Researchers from Trinity College Dublin have developed new tools to circumvent the reactivity of cubane, a widely used pharma industry molecule. This breakthrough enables the creation of tailored compounds with improved drug efficacy and reduced side effects.
The Journal of Flow Chemistry will be published by Springer and Akadémiai Kiadó, increasing its visibility and accessibility. The journal aims to promote international and Hungarian science, and provide a platform for organic chemistry laboratories.
Researchers have discovered that yellow phyllobilins in autumn leaves function as four-step molecular switches that react to light, with the molecular environment determining the switching mechanism. These findings suggest potential physiological roles for these compounds in plant photoregulation.
George E. Fox, University of Houston professor and renowned biologist, has been awarded the university's highest faculty honor, the Esther Farfel Award. His groundbreaking research, including the discovery of the Archaea domain, has earned him recognition as one of the most meritorious scientists alive today.
Hassanien's research focuses on non-traditional seeds, fruits, and spices from Egyptian, Indian, and Arabic origins. He has discovered bioactive compounds with potential health benefits and is exploring their commercial exploitation.
The American Chemical Society's year-in-review issue highlights key developments in organic chemistry, sustainability, and spectroscopy. Researchers made progress in creating biomedical compounds and developing solar-powered sterilizers for safe water and medical instruments.
JoVE's new Chemistry section publishes a novel experimental approach to study antifreeze proteins, showcasing the potential for these proteins in cryopreservation and tissue preservation. By visualizing dynamic processes, JoVE aims to facilitate reproducible chemistry research.
Researchers have created a new code in organic chemistry, inspired by genetic principles, allowing for the construction of more complex molecular architectures. The code enables chemists to generate two-dimensional maps and then create three-dimensional systems with high reliability.
Dr. Kodadek's research aims to develop substances that can diagnose and block specific immune responses without suppressing the entire immune system, potentially treating autoimmune diseases and cancer. He will receive $500,000 per year for five years to pursue this innovative approach.
The SIOC and Wiley-VCH will jointly own the journal, while SIOC provides editorial expertise and Wiley-VCH handles marketing and distribution. The partnership aims to increase international recognition and improve services for readers and authors.
Researchers at Rutgers-Newark are developing new nanoparticle structures that combine organic and inorganic materials. The team's innovative approach may lead to more efficient solar-energy conversion cells and devices capable of detecting pollutants.
A renowned chemist has synthesized epothilone, a compound derived from bacteria, promising to replace taxol in treating cancer. His successful 25-step synthesis has garnered interest from pharmaceutical companies, paving the way for potential clinical trials and widespread use.
Purdue University chemist Jean Chmielewski has won a national award for developing new compounds that disrupt the AIDS virus's ability to reproduce. Her approach involves creating molecular 'wedges' that block HIV proteins from binding together, promising initial results in testing with infected cells.
A team of researchers from Michigan and Connecticut has received an award for their work on a new antibiotic, linezolid. The drug is the first of its kind to be approved in 35 years and shows promise in treating serious Gram-positive infections that are resistant to conventional antibiotics.