Articles tagged with Molecular Chemistry
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.
Indiana University researchers have discovered the world's brightest-known fluorescent solid materials, called SMILES, which can transform liquid materials into stable crystalline solids with unprecedented brightness. The grant will help advance research on SMILES to improve existing technologies and create new ones.
Researchers have identified new biomarkers to detect non-small cell lung cancer in its early stages through a blood test, offering improved survival chances. The approach can also identify potential drug resistance, allowing clinicians to choose alternative treatment options.
Researchers have designed an iron catalyst to facilitate the olefin metathesis reaction, a widely applicable catalytic reaction for carbon-carbon double bond formation. The iron-based catalyst shows promise in reducing costs and environmental impact compared to traditional ruthenium-based catalysts.
Researchers have developed a new measurement method in molecular electronics that enables the exchange of molecules at will. This allows for the measurement of conductivities of many different molecules in succession. The method has potential applications in biosensing and advanced molecular computing.
A new study suggests that supplementing a diet with Ascidiacea, also known as sea squirts, reverses some main signs of aging in animal models. The researchers found that plasmalogens, vital to body processes, decrease with age and contribute to neurodegenerative diseases like Alzheimer's and Parkinson's.
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.
Researchers have developed a novel method called 'dative epitaxy' for growing thin layers of crystals made from different materials on top of each other. This technique allows for the formation of special chemical bonds to fix crystal orientation, overcoming limitations of conventional and van der Waals epitaxial techniques.
Researchers have developed an eco-friendly and reusable solution for removing toxic synthetic dyes from wastewater using nanocomposite-based hydrogels. The new material, made from carboxymethyl cellulose (CMC) and graphene oxide, demonstrates high adsorption capacities and retains its effectiveness even after multiple cycles of use.
Researchers create complex mixtures of biomolecules that spontaneously form self-organized patterns in response to environmental changes. This breakthrough bridges the complexity gap between chemistry and biology.
Scientists at the University of Illinois Chicago have created a new family of environmentally safe, frost-resistant coatings that can delay the formation of frost for extended hours. These coatings can be applied to various surfaces without preconditioning or expensive surface treatments, reducing pollution and ice-related problems.
A study by CSIC researchers has discovered and synthesized molecules that inhibit the effect of heparin, a widely used anticoagulant drug. The molecules have been tested in mice with excellent results, showing potential as antidotes for heparin reversal drugs.
A research team has demonstrated the potential of a new material based on rare earths as a photonic quantum system, showing interest in europium molecular crystals for quantum memories and computers. The material enables ultra-narrow optical transitions, enabling optimal interactions with light.
Researchers at the University of Illinois used sonification to analyze data and teach protein folding, leading to a new discovery about protein folding mechanisms. Musicians collaborated with chemists to create audio-mapped visualizations that complemented traditional views, increasing intuition for experts.
Researchers at Niigata University have successfully observed the formation of an oxygen-oxygen bond in a low-valent Ru(III) complex. This breakthrough could lead to the development of more efficient water oxidation catalysts, crucial for artificial photosynthesis and sustainable energy systems.
Matthew Jones, a Rice University chemist, has won a National Science Foundation (NSF) CAREER Award to investigate the fundamental processes of nanoparticle formation. He aims to develop a mechanistic understanding of nanoparticle growth to control their size and shape, enabling advances in biomedicine, energy storage, and computing.
Scientists at the University of Missouri study photodissociation reactions on the quantum level, revealing strong quantum effects that challenge classical 'billiard-ball' models. The research could lead to a better understanding of atmospheric chemistry and develop new theoretical frameworks.
A team of scientists successfully constructed a supramolecular rotor inside a hollow cube-shaped zinc(II)-metallated porphyrinic cage (Zn-PB) molecule. The addition of a chemical stimulant initiates both rotary and tumbling motions, controlled by external stimuli.
Researchers at GIST used ultrafast X-ray pulses to study warm dense copper electrons, revealing that bonds harden before melting. The findings could improve understanding of extraordinary material properties and their underlying mechanisms.
Researchers studied electron transport through a single water molecule in a C60 cage, revealing multiple tunneling-induced excited states. The findings suggest the transition between ortho- and para-water occurs simultaneously within a minute.
Researchers at Osaka City University developed a new quantum algorithm that calculates potential energy curves of molecules without controlled time evolutions. This addresses issues with conventional quantum phase estimation algorithms, enabling parallel processing and efficient full-CI calculations.
Researchers in Japan have designed the first de novo-designed peptides that can form artificial nanopores to identify and enable single molecule-sorting of genetic material in a lipid membrane. The peptides can detect specific molecules, including DNA, and have the potential to mimic natural proteins' ability to detect specific proteins.
Researchers genetically engineer E. coli microbes to convert glucose into olefins, a type of hydrocarbon found in gasoline, using a two-step process with a catalyst. This method has potential to advance green energy technology and create sustainable biofuels.
The discovery proposes replacing carbon-hydrogen bonds with nitrogen rings, enabling faster and more efficient production of drug candidates. This breakthrough could lead to rapid creation of potent and effective medication libraries.
A Rice University undergraduate student and her mentor have synthesized the first molecule found in poppies, setigerumine I, using a three-step process at room temperature. The environmentally friendly method produced 20 milligrams of the rare extract, which could be a potential precursor for non-addictive painkillers.
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.
Researchers from KIT and TU Darmstadt developed a novel sensor for gas molecules by combining a graphene transistor with a customized metal-organic coating. The sensor selectively detects ethanol and responds to neither other alcohols nor humidity.
Researchers at Goethe University Frankfurt and Bonn have synthesized molecular nano spheres made of silicon atoms, known as silafulleranes, which can encapsulate chloride ions. The discovery of these new compounds may lead to improved applications in electronics, solar cells, and batteries.
A research team has successfully fabricated single-layer tetracene molecular crystals using two-dimensional inorganic crystals as substrates. The resulting material exhibits extraordinary photostability and Davydov splitting, making it a promising candidate for OLEDs and organic photoelectric energy conversion.
Researchers developed a novel block copolymer electrolyte that controls structure through electrostatic interactions, enhancing ionic conductivity. The new nanostructure enables significant enhancement in conductivity compared to typical two-dimensional structures, paving the way for safer all-solid-state batteries.
A team of researchers at University of California San Diego School of Medicine discovered that GIV/Girdin plays a critical role in sperm motility, survival, and fertilization success. The protein regulates capacitation and acrosome reaction processes, essential for successful fertilization.
Researchers at the University of Tsukuba successfully grow a Li@C60 film on a copper surface, studying its molecular orbitals and enabling transport of electrons. The new method uses a salt with a larger, less strongly bound anion to form a stable monolayer.
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 developed a modular organic molecular system with customizable properties, creating a potent dye that absorbs light in the near-infrared range. The pigments' electronic switchability makes them suitable for studying electron transfer in photosynthesis and as efficient electron-transporting materials.
Researchers at Waseda University have developed a novel mechanism for inducing high-speed bending in thick crystals using the photothermal effect, enabling rapid actuation and simulation. This breakthrough has significant implications for flexible robotics, actuators, and soft robotics.
Researchers at the University of Bologna developed NanoGear, a device consisting of interlocked molecular components that function as a gear. The device exhibits unusual properties, such as 'specific lubrication' in different solvents, which could lead to radical technological innovations.
Scientists developed a new experimental approach to study chemistry at very low temperatures, revealing specific molecular properties and providing more accurate theories. The approach uses laser-excited molecules in the same direction, allowing for a better understanding of molecular interactions.
Scientists at the University of Konstanz have visualized the biochemical processes involved in detecting DNA strand breaks using PARP1, a key enzyme in DNA repair. This study provides important insights into the molecular mechanisms underlying cancer development and aging processes.
A new optical measurement method for radioactive methane has been developed by Juho Karhu, offering a cheaper and more agile alternative to accelerator mass spectrometry. The method uses spectroscopy to measure the absorption of materials at different wavelengths, enabling the detection of low levels of radioactive methane in various a...
The American Chemical Society (ACS) reviewed 2018's top research stories, including machine learning and new solutions for plastic waste. Experts predict key advances in 2019, such as automated chemical synthesis and analysis, and solid-state battery technologies.
University of Oregon researchers used computer simulations to study the evolution of proteins and found that basic physical limitations make uncertainty the norm. The team's findings confirm what many people in the field have observed: unpredictability is universal in biological systems.
Researchers at the University of Luxembourg have redefined the understanding of van der Waals interactions, discovering they can be repulsive in confined spaces. This new paradigm could have implications for pharmaceutical delivery, water desalination and photovoltaic devices.
The National Academy of Sciences has elected 84 new members and 21 foreign associates in recognition of their outstanding contributions to original research. The newly elected members come from various fields, including physics, chemistry, biology, and engineering.
Scientists at Northwestern University have discovered that a mixture of mirror-image molecules can exhibit optical activity when crystallized in the solid state. This finding challenges a long-standing chemical principle and opens up new areas of materials research.
Scientists at Helmholtz-Zentrum Berlin have developed a new tool to investigate the chemistry of nature using ultrashort laser pulses. The tool allows for insights into electronic and structural dynamics of molecules and molecular complexes, revealing mechanisms of molecular processes on subpicosecond timescales.
The five Neimark Award winners explore biostatistics, molecular plant sciences, and particle astrophysics among other areas. Their research in second language acquisition also sheds light on human cognition.
The emerging science of molecular gastronomy focuses on chemistry and physics techniques in food preparation, transforming the restaurant experience. Key findings include the application of chemical techniques to create novel textures and flavor combinations.
Researchers at NIST study gas-liquid interactions using powerful lasers, observing the rotational dynamics of a molecule bouncing off a liquid surface. They found molecules tend to tumble forward with a 'top spin' motion.
Researchers at the University of Illinois Chicago created a theoretical blueprint for assembling a nanoscale propeller with molecule-sized blades. The propeller's efficiency in pumping liquids is highly sensitive to its chemical and biological composition, finding that hydrophobic blades pump more water while hydrophilic blades become ...
Researchers at Virginia Tech have created an LED system that rapidly screens therapeutic molecule designs for binding to diseased tissues' DNA. The innovative technology enables 100 tests per day, accelerating the discovery of promising new drugs.
Virginia Tech researchers have designed supramolecular complexes that can generate pharmaceutical compounds to cleave DNA in tumor cells. These complexes use visible light-induced reactions, which can penetrate tissue and deliver targeted therapy.
Researchers at Virginia Tech are using molecular modeling to help chemistry students better understand molecules and their properties. Students explore specific molecules on the computer before making actual compounds in the lab, resulting in improved student engagement and outcomes.
An international team of experts in chemical education will discuss critical topics, including the effect of educational standards on chemist mobility and government support for chemistry education. The symposium will present the latest developments from various regions and showcase programs for students with varying backgrounds.