Articles tagged with Physical Chemistry
Assistant professor Yinsheng Guo is developing a comprehensive understanding of metal halide perovskites, promising semiconducting materials for energy technologies. He also seeks to transform how physical chemistry is taught using computational and experiential approaches.
This year's winners include Professor Neil Kelleher, Dr. Tamir Gonen, Professor Margaret Sunde, and more, recognized for their pioneering research in top-down proteomics, membrane proteins, amyloid studies, and human health applications.
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.
Researchers developed a unique microfluidics-based diagnostic system that combines optical tweezers with stimulated Raman spectroscopy to enable fast and accurate diagnosis of leukemia. The device can identify cancer cells based on their metabolic activities and metabolites, providing tailored treatment options.
Researchers develop framework to assess relative value of rules and data in AI models, improving efficiency and accuracy in scientific problems. The framework optimizes model training by tweaking the influence of different rules, filtering out redundant ones, and identifying synergistic relationships between rules.
Scientists successfully synthesized pantetheine, a chemical essential for all living things, in lab conditions mimicking early Earth. The compound is crucial for metabolism and may have played a role in the emergence of life on Earth.
Researchers at LMU developed pMINFLUX multiplexing to overcome traditional resolution limits in super-resolution microscopy. This allows for simultaneous localization of multiple dyes and investigation of rapid dynamic processes between biomolecules.
Researchers from Pohang University of Science & Technology developed a new gel-based battery system using micro silicon particles and gel polymer electrolytes, enabling stable performance even with larger silicon particles. The system exhibits improved energy density and is ready for immediate application.
Researchers propose new statistical index to detect river ecosystem changes, potentially preventing tragedies like the Oder River crisis. The developed index is more versatile and responsive to variations in individual parameter values.
Researchers developed a novel deep learning method to study crystal structure and molecular interactions of perchlorate salts. The analysis revealed that the explosives' nature is linked to chemical bonding and intermolecular interactions.
Researchers have found that the key step to protein formation can occur in droplets of pure water, where amino acids connect to form peptides with the same 'L' handedness. The discovery resolves a paradox and provides new insights into the early stages of life's chemical evolution.
A team at Pohang University of Science & Technology has successfully created the world's first plumber's nightmare structure in block copolymers, a complex configuration where polymer chain ends coalesce inward. This achievement showcases the potential for self-assembly in block copolymers and opens up new possibilities for materializi...
Researchers at Worcester Polytechnic Institute have developed a material to selectively oxidize urea in water, producing hydrogen gas. The material, made of nickel and cobalt atoms with tailored electronic structures, enables the efficient conversion of urea into hydrogen through an electrochemical reaction.
A KAIST research team developed an anti-icing film coating technology using gold nanoparticles and cellulose nanocrystals. The film can uniformly pattern gold nanorods in quadrants through simple evaporation, achieving enhanced plasmonic photothermal properties.
Researchers visualized the 3D structure of ASC speck inside cells using advanced fluorescence microscopy methods. The study reveals an amorphous structure with a dense core and filaments extending into the periphery. This breakthrough provides crucial insights for understanding inflammation and immune-related diseases.
Amyloids have been found to selectively bind with codon-sized RNA, a crucial step in the emergence of life. These interactions may represent a universal genetic code that unites all living beings, increasing stability and order in an otherwise dilute system.
A multidisciplinary research project aims to improve carbon nanotube synthesis efficiency, enabling more sustainable alternatives to heavy industry materials. The project, led by Rice University's Matteo Pasquali, has received a $4.1 million grant from the Kavli Foundation.
A new polymer binder is introduced to address durability issues in dual-ion batteries. The binder features azide and acrylate groups, which enhance the structural integrity of graphite during charge and discharge cycles. Dual-ion batteries equipped with this binder demonstrate exceptional performance, even after 3,500 recharge cycles.
The Beckman Institute's DROPLETS project uses microdroplets to catalyze electrochemical reactions, producing clean hydrogen and sequestering carbon dioxide. The project aims to lay out a foundation for a sustainable clean energy future.
The Oxford Period Project provides free period products to all students and faculty, reducing stress and stigma around menstruation. The project aims to promote inclusivity and sustainability by offering eco-friendly alternatives.
Researchers have developed a metal nanocluster-based separator for lithium-sulfur batteries, accelerating electrochemical kinetics and improving capacity and cycling stability. The technology has the potential to increase the adoption of sustainable energy storage systems, including electric vehicles and renewable energy.
A research team at Göttingen University has developed plasmonic molecules from nanoparticles using a novel process that precisely arranges the particles. This breakthrough enables the creation of large quantities of these compounds, which can be used for various functions in nanotechnology.
Jennifer Kane is studying how microbes interact with Miscanthus roots to boost productivity and sustainability. The research aims to understand what conditions enable the plant to prosper, with potential implications for bioenergy production on marginal lands.
Researchers at the University of Liverpool have made a groundbreaking discovery in polymer science, providing new insights into how polymer chains respond to accelerated solvent flows. This breakthrough has significant implications for various areas of physical sciences and industrial processes, including enhanced oil and gas recovery ...
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.
Scientists studied fluid dynamics to understand interfacial tension, a force affecting mixing of liquids. Their numerical simulation revealed a non-monotonic relationship between flow strength and hydrodynamic instability, overturning conventional wisdom.
Researchers discovered a way to strengthen polymers by introducing weaker bonds, increasing resistance to tearing up to tenfold. The approach doesn't alter other physical properties and can be used to improve the toughness of other materials like rubber.
Researchers at the University of Bristol found that viruses lose their infectivity quicker in cleaner air, with opening a window reducing acid content and speeding up death. The study provides valuable insights into mitigating risk through gas composition manipulation.
Scientists have developed a new dynamic probe to measure electric interactions between molecules and the environment. Using ultrashort terahertz pulses, they mapped the optical absorption of molecules in an external electric field, revealing the strength and dynamics of these forces.
Researchers from Osaka University discovered a novel material that transitions from a crystal to a liquid when exposed to ultraviolet irradiation, enabling a detailed understanding of the crystal-melting process. The material exhibits changes in luminescence during melting, indicating molecular-level changes in shape.
Researchers from the Institute of Physical Chemistry found that microplastics decrease bacteriophages' infectivity due to leachates and polymer size. The study highlights the impact of microplastics on aquatic ecosystems, affecting both animals and humans.
Researchers at Colorado State University propose using ultrathin films of molybdenum disulfide to improve solar cell efficiency. The material displays unprecedented charge carrier properties that could lead to drastic improvements in solar technologies.
Researchers developed a self-driven lab, AlphaFlow, that uses AI to optimize complex chemical reactions and discover new materials. The system significantly reduces the time needed to develop new chemistries from months to hours.
Scientists have developed a new method to measure calorimetric quantities at the molecular level with picosecond time resolution. By tracking water's spectroscopic fingerprints in the THz range, researchers can accurately predict protein-rich droplet formation and its dependency on external parameters like temperature.
Researchers discover abiotic peptide chain formation from glycine in space conditions, shedding light on the origin of life. The study shows that small clusters of glycine molecules exhibit polymerization upon energy input.
Researchers are exploring how a kind of clay can soak up carbon dioxide and store it, potentially reducing the impact of climate change. The study found that carbon dioxide is more stable in wet clay nanopores than in plain water.
A computer simulation confirms the presence of a self-lubricating layer on the surface of ice, which is driven away by pressure and causes the ice to melt and repair itself. This discovery could lead to improved lubricants in other systems and significant energy savings.
Researchers at Tokyo University of Science have developed a unique 3D COF with scu-c topology, exhibiting efficient gas adsorption and drug delivery capabilities. The material has been shown to exhibit excellent hydrogen and methane adsorption properties.
Molecular dynamics simulation pioneer Martin Karplus and his team pioneered the simulation of protein motion, impacting biology and physics. This breakthrough enabled scientists to study protein function through dynamic simulations, leading to a deeper understanding of biological processes.
Scientists have created a magnetic material that can mimic how the brain stores information, allowing for potential breakthroughs in neuromorphic computing. The material enables controlled updating of information without external voltage, opening doors to new logic functions and neural learning emulation.
Researchers create a material with disordered molecular structure that conducts electricity well, defying conventional theories. The material's stability and versatility make it promising for new electronic devices.
Researchers from the Max Born Institute found that magnesium ions reduce ultrafast fluctuations in water's hydration shell, slowing solvation dynamics. The study reveals a short-range effect of individual ion pairs on dilute aqueous systems.
Scientists at Osaka University have developed an ultrathin silicon membrane with arrays of nanopores that can harness osmotic flow to generate electricity from seawater. The device achieved peak power efficiency of 400 kW/m² and demonstrated optimal configuration for best power generation.
A team of researchers, led by Prof. Ehud Pines, has confirmed his theory that a proton moves through water in trains of three water molecules, contradicting the long-held Grotthuss Mechanism. This breakthrough resolves one of the holy grails of physical chemistry after 17 years of research.
Researchers at Universiteit van Amsterdam use fluorescence microscopy and specialized molecules to study the transition from static to dynamic friction. They find that a slip wave propagates from the edge towards the center of the contact area just before sliding occurs.
A Korean research team created a dual-catalyst system that precisely controls catalytic reactions like cells. The nanoreactor combines magnetic materials and metal catalysts to selectively activate the catalyst under magnetic fields and near-infrared rays.
Researchers at Johannes Gutenberg University Mainz have developed a new method for detecting alcohols using zero- to ultralow-field nuclear magnetic resonance (NMR) combined with the SABRE-Relay hyperpolarization technique. This innovative approach enables measurements without strong magnetic fields, reducing device size and potential ...
A new study proposes a method of foam stabilization that could be used to make highly efficient hand sanitizers. The team added an anionic surfactant, long-chain alcohols, and an inorganic electrolyte to an aqueous solution containing 60% ethanol by volume.
A team of researchers from Ritsumeikan University in Japan has elucidated the mechanism behind the liquid-solid phase transition of FUS protein that leads to ALS. They discovered a new therapeutic target, arginine, which suppresses FUS aggregation and could delay ALS progression.
Researchers found a 33% drop in total mercury concentrations in the Barents Sea during the polar night, attributed to a scavenging process involving manganese particles. This decrease in surface levels may lead to increased toxic mercury formation in sediments and potentially more methylmercury in Arctic food webs.
The Electrifying Technical Organic Syntheses (ETOS) research network, coordinated by JGU, will be funded from BMBF to support the development of new techniques for organic chemical synthesis using electrolysis. The cluster aims to promote forward-looking innovations and secure technological sovereignty.
Researchers at the University of Bayreuth have created a test system to characterize and compare passive cooling materials, overcoming challenges in determining their performance. The system mimics key factors influencing passive cooling performance, allowing for reproducible tests under identical conditions.
A laboratory study published in PNAS found that SARS-CoV-2 virus can lose 90% of its infectivity when in aerosol particles within 20 minutes. The loss is strongly dependent on low relative humidity and pH, with a decrease in airborne infectivity observed at levels below 50%.
Researchers from the University of Arizona suggest that dying stars can forge carbon nanotubes in the envelopes of dust and gas surrounding them. This process involves the spontaneous formation of carbon nanotubes, which are highly structured rod-like molecules consisting of multiple layers of carbon sheets.
A new double-layered catalyst, combining platinum with NiFe hydroxide, was developed to enhance hydrogen generation efficiency. The catalyst's activity is 11.2 times higher than conventional materials, making it a promising solution for increasing green hydrogen production.
Researchers at Norwegian University of Science and Technology have discovered a method for describing molecules in optical cavities, which could lead to breakthroughs in chemistry and pharmaceutical industries. The study uses molecular orbital theory to predict how molecules will react inside optical cavities.
Researchers at Simon Fraser University have discovered a deep connection between two previously distinct fields of physics, stochastic thermodynamics and transition-path theory, allowing for a framework to quantify reaction information. This framework enables researchers to separate signal from noise in massive datasets, facilitating b...
A team of researchers has provided evidence to settle the debate on the relative stabilities of boron nitride's structures using a state-of-the-art quantum simulation method. The study found that hexagonal boron nitride (hBN) is the most stable structure, followed by rhombohedral (rBN), zinc-blende (cBN), and wurtzite (wBN).
Researchers at the University of Cologne and the University of Wuppertal have developed a tandem solar cell that achieves an unprecedented 24% efficiency, outperforming previous records. The innovative design combines organic and perovskite-based absorbers with an indium oxide interconnect to minimize losses.
A team of researchers has developed a tunable graphene-based platform to study exceptional points, which exhibit unique properties when light and matter interact. The breakthrough could lead to advancements in optoelectronic technologies and potentially contribute to the development of 'beyond-5G' wireless technology.