Articles tagged with Molecular Chemistry
Researchers at TUM have developed a novel method to purify proteins using short-wave UV light, eliminating the need for chemical reagents. The 'Azo-tag' system changes shape under light exposure, allowing for targeted purification of proteins in a more efficient and gentler manner.
Richard Willson, a University of Houston professor, has been elected Fellow of the Royal Society of Chemistry for his contributions to the chemical sciences. He has developed innovative methods to detect viruses and other biological threats using glow-in-the-dark nanoparticles.
A recent study found that polyester microdroplets can form in salt-rich environments, at low alpha-hydroxy acid concentrations, and in small reaction volumes. This expands on previous research and suggests that polyester protocells were likely more common on early Earth than previously thought.
A novel double aryne insertion strategy has simplified the production of complex thioxanthones, a type of organic compound with various industrial and medical applications. The new method enables efficient synthesis of diverse thioxanthone derivatives, including functional molecules and photocatalysts.
Researchers at Colorado State University have developed a stronger, biodegradable adhesive polymer that can replace common superglues. The new polymer, made from P3HB, offers tunable adhesion strength and is biodegradable under various conditions.
Researchers created new proteins using AI that bind to and neutralize deadly snake toxins, providing a safer alternative to traditional antivenoms. The study's results show an 80-100% survival rate in mice, offering potential benefits for people in developing countries.
Researchers at Indiana University found that bacteria secrete molecules, like coelechelin, which weaken competitors' immune systems and increase their vulnerability to phage infection. This discovery highlights the potential of phage-chemical combinations in treating antibiotic-resistant infections.
Macromolecular chemistry expert Christopher Barner-Kowollik receives Germany's best-funded research prize for his groundbreaking discoveries in photochemistry. His work challenges traditional assumptions and opens new avenues for applications in phototherapy, light-driven synthesis, and materials development.
Researchers at King's College London developed a new method to produce biofuels from fatty acids in cooking oil, making it as effective as diesel with improved efficiency. The technology uses enzymes to break down fatty acids into alkenes, reducing the need for conventional catalysts and toxic chemicals.
Researchers demonstrate key Darwinian evolution principles in self-replicating molecules, indicating evolution predates life. Competitive exclusion among these molecules curtails chemical diversification, shedding light on potential emergence of life from non-living materials.
Researchers at Maynooth University are leading a two-year study to develop non-abrasive bandages that can be sprayed onto the skin and melted away painlessly. The goal is to reduce the agony experienced by those living with Epidermolysis Bullosa, a genetic skin condition affecting over 500,000 children and adults worldwide.
SwRI researchers developed a tool to model environments expected on icy moons, accounting for organics and predicting conditions for microbial life. The project aims to constrain environmental factors and provide valuable information about ocean worlds.
A new phase-transformable membrane can precisely select CO₂ and H₂, enabling efficient gas separation. The membrane's liquid-glass-crystal states optimize its selectivity and permeability for specific gases.
The symposium features over 20 inspirational lectures by esteemed international speakers on molecular science topics. Nobel Prize laureates are among the keynote speakers, advancing cutting-edge research and facilitating interaction with the public.
Researchers at UCLA have invalidated Bredt's rule, a fundamental principle in organic chemistry that has constrained the design of molecules for pharmaceutical research. By creating anti-Bredt olefins, also known as ABOs, chemists can now generate highly unstable structures with practical value.
Recent research highlights microwave-induced synthesis as a transformative potential in drug discovery and development. This efficient technique enables rapid preparation of diverse N-heterocycles, including biologically active molecules such as pyrimidines, thiazoles, and quinolines.
A study led by Cesar de la Fuente and his team has uncovered sequences for infection-fighting molecules in the genomic data of extinct species. These ancient β-defensins may lead to the creation of new antimicrobial therapies, including antibacterial, antifungal, and antiviral treatments.
A team of researchers has developed a new membrane material that can detect and remove pharmaceutical chemicals from water at trace levels. The new approach uses a polymer membrane with an interconnected network of pores, which are designed to capture larger molecules, allowing for more effective filtration.
Researchers have developed a cost-effective and easily reproducible point-of-care testing device that can accurately measure cortisol levels in the blood. The device uses iridium oxide nanoparticles to improve stability, sensitivity, and selectivity, allowing for commercial use.
Researchers at the University of Illinois have developed a method to understand and improve light-harvesting molecules for solar energy applications. By combining AI with automated chemical synthesis and experimental validation, they were able to produce molecules four times more stable than traditional ones.
Researchers developed a one-pot process to transform aromatic ketones into esters, simplifying the reaction process, reducing reaction times, and minimizing purification steps. The method enables seven different chemical transformations and has shown notable stability and reusability, making it scalable for industrial applications.
Researchers at Tokyo University of Science discovered a natural tyrosinase inhibitor from Corynebacterium tuberculostearicum that inhibits melanin synthesis and provides an alternative to toxic hydroquinone-based products. The compound, cyclo(L-Pro-L-Tyr), exhibits low toxicity and potential benefits for hyperpigmentation treatment.
Scientists at Osaka Metropolitan University have found that single crystals of anthracene derivatives react differently when irradiated with light, holding clues for functional applications. The research team discovered non-uniform photoreactions in two of the compounds, which proceed from the edge to the center of the crystal.
Anaerobic bacteria have survived for ages in oxygen-free niches, influencing human health and environment. The 'AnoxyGen' project aims to unlock their biosynthetic potential using molecular and synthetic biology tools.
Scientists have created mirror-image cyclodextrins in the laboratory, which could make it easier to formulate and deliver complex medications. These discoveries may also lead to improved treatment of cardiovascular diseases caused by atherosclerotic plaques.
Researchers at Yokohama National University utilized machine learning and AI to predict the selectivity of chemical reactions. By analyzing molecular factors such as sterics and orbitals, they developed a method to better understand reaction mechanisms, leading to more efficient synthesis of desired products.
Researchers have discovered distinct ethanol-water molecular clusters that determine critical alcohol content ranges in various beverages. By controlling these clusters' transitions, manufacturers can maintain ideal taste while reducing alcohol concentration.
Three FAU researchers have received $1M in FDOH grants to develop innovative approaches against Alzheimer's disease. Mare Cudic aims to explore the link between glycosylation and neuroinflammation, while Ruth Tappen develops an online screening tool for older drivers with cognitive decline.
A new AI method developed by Swedish researchers can identify toxic substances based on their chemical structure, potentially replacing animal testing. The method has been shown to be more accurate and broadly applicable than existing computational tools, offering a promising alternative for environmental research and authorities.
Scientists at POSTECH create conducting polymers with exceptional electrical conductivity, rivaling graphene's performance. The breakthrough achieves ultrafast electron mobility and long phase coherence length, overcoming a major challenge in organic semiconductors.
Scientists developed a force-controlled release system harnessing natural forces to trigger targeted release of molecules, advancing medical treatment and smart materials. The breakthrough uses rotaxane technology to release multiple functional molecules simultaneously, including medicines and healing agents.
A new statistical-modeling workflow can quickly identify molecular structures of products formed by chemical reactions, accelerating drug discovery and synthetic chemistry. The workflow also enables the analysis of unpurified reaction mixtures, reducing time spent on purification and characterization.
A Scripps Research team has uncovered a simple and inexpensive way to produce quaternary carbon molecules using an iron catalyst. This breakthrough could benefit drug developers by making molecules cheaper and easier to produce at small and large scales.
A blended antioxidant supplement improved spatial learning ability and short-term memory in supplement-treated aged mice. The discovery suggests that the supplements may also prevent age-related cognitive decline in humans and mitigate muscle frailty.
A team of scientists from Pohang University of Science & Technology developed an artificial vitreous body based on alginate to treat retinal detachment. The hydrogel maintains vision post-surgery and regulates fluid dynamics within the eye, preventing recurrence and air bubble formation.
Researchers at NTNU's Department of Chemistry have developed a method to increase the calculation speed of chemical reactions by 30-40 times. By connecting 20 computers and optimizing data exchange, they achieved this significant improvement, enabling previously impractical calculations to be performed.
Researchers at Xi'an Jiaotong-Liverpool University developed a new method that enables the efficient production of cysteine-rich peptides and microproteins in their naturally folded 3D structure. The approach uses organic solvents to mimic nature's oxidative folding process, resulting in speeds of over 100,000 times faster than aqueous...
Researchers at KIT's Institute for Advanced Membrane Technology found that the interplay of hydrodynamic forces, friction, and forces of attraction and repulsion affects adsorption in membrane nanopores. This study provides basic findings with respect to water processing and may benefit ultra- and nanofiltration processes controlled by...
Researchers at North Carolina State University are developing a suite of performance metrics to standardize the evaluation of self-driving labs in chemistry and materials science. These metrics aim to compare different lab technologies and identify areas for improvement, ultimately advancing the field and accelerating discovery.
Researchers at the University of Gothenburg discovered how proteins deform to create efficient transport routes for electrons, powered by solar energy. This finding could lead to more efficient solar cells and batteries.
Researchers at Universiteit van Amsterdam developed an autonomous chemical synthesis robot with integrated AI, outperforming human chemists in terms of speed and accuracy. The 'RoboChem' system can perform various reactions while producing minimal waste and delivering results quickly.
Researchers at UNIST have achieved a significant breakthrough in organic semiconductor synthesis by synthesizing a novel molecule called BNBN anthracene. This derivative exhibits unique properties, including precise modulation of electronic properties without structural changes.
Researchers at UTA discovered that using carbonated water in chromatography reduces the technique's Analytical Method Greenness Score (AMGS) making it safer for the environment. The study also showed that carbonated liquids are just as fast and efficient as other liquids used in chromatography.
Researchers have decoded the factor driving rapid growth of T cell lymphomas, revealing a 'sugar appetite' that triggers processes leading to tumor growth. The discovery provides new hope for treating aggressive cancer types, with existing medications potentially effective against these tumors.
A team of researchers has made a significant leap forward in molecular chemistry by modifying azaarenes, unique molecular puzzle pieces crucial to many everyday products. Using photoenzymatic systems, they have discovered novel chemical reactions that were previously thought to be out of reach.
Researchers at Gwangju Institute of Science and Technology developed metal-enhanced fluorescence probes for rapid and accurate detection of influenza viruses. The probes showed high sensitivity and specificity, detecting the virus even at low concentrations, with a remarkable accuracy of over 99%.
Researchers from Incheon National University create gelatin patches that generate molecular oxygen to accelerate wound healing. The new hydrogels demonstrate improved coagulation, blood closure, and neovascularization in both in vitro and in vivo experiments.
Researchers at Xi'an Jiaotong-Liverpool University have developed a sensitive and robust pH sensor that can detect pH variation in just a few microliters of samples. The new sensor uses novel materials and methods to overcome the current method's limitations, which are not sensitive enough or fragile for commercial-scale use.
Researchers developed a novel approach called 'countercation engineering' to impart thermoresponsiveness to graphene-oxide nanosheets. The method involves synthesizing GO nanosheets with specific countercations, resulting in inherent thermoresponsive behavior without the need for thermoresponsive polymers.
A team of researchers has improved photoclick chemistry by engineering the phenanthraquinone triplet state, increasing photoreaction quantum yield and reaction rates. The study's findings pave the way for efficient photoclick transformations with unprecedented efficiency.
Researchers at Duke University used a quantum computer to measure the geometric phase in light-absorbing molecules, which puts limitations on molecular transformations. This breakthrough allows for direct measurement of a long-standing fundamental question in chemistry, critical to processes like photosynthesis and vision.
Researchers developed a three-metal hybrid catalyst material featuring nickel, palladium, and platinum interfaces to enhance water splitting and hydrogen molecule generation. The new catalyst demonstrated significant stability and high catalytic activity, overcoming challenges of functional interferences.
UC Santa Barbara researchers develop new catalytic process that can convert polyolefins from single-use plastics into valuable alkylaromatics, underlying surfactants in detergents. The improved method reduces production time and energy input, enabling potential commercialization and large-scale use.
A protein found in bacteria activates its enzymatic activity by up to 10,000 times when exposed to blue light, acting like an on-off switch. This discovery could lead to enhanced and optimized optogenetic tools and medical treatments.
Researchers at UC Santa Barbara have developed a synergistic method that allows for the synthesis of non-canonical amino acids, which are important for therapeutic purposes. The process shortens existing multi-step methods by 3-5 steps and provides stereoselective chemistry.
Semi-crystalline polymers' structure and properties depend on molecular chain entanglement. The researchers developed a model to predict their microscopic structure and properties, offering potential improvements or replacements with more sustainable materials.
Researchers from Tokyo Institute of Technology have successfully synthesized high-purity SrVO2.4H0.6 and Sr3V2O62H0.8 perovskite oxyhydrides using a novel high-pressure flux method, opening up new possibilities for catalysts and lithium-ion battery electrodes.
A new algorithm has been created to search fungal genomes for clusters of genes likely to result in interesting biological compounds. The algorithm, trained on a newly described type of chemistry in fungi, has discovered over 1,300 fungal species with biosynthetic gene clusters centered on isocyanide chemistry.
Researchers have developed a set of biocatalysts that enable precise control over free radical reactions, solving a decades-old challenge in asymmetric catalysis. The metalloenzymes can selectively convert chiral compounds into desired products, opening up new possibilities for the synthesis of bioactive molecules and everyday polymers.
Carbon-based materials have been found to be more reactive with alcohol-functionalized oxygens, challenging traditional catalysis chemistry. The researchers' study showed a correlation between the amount and type of oxygen present and performance, including the long-range effects of aromatic rings.