Articles tagged with Molecular Structure
Researchers at Brookhaven National Laboratory have successfully discovered new materials using artificial intelligence and self-assembly. The AI-driven technique led to the discovery of three new nanostructures, expanding the scope of self-assembly's applications in microelectronics and catalysis.
Scientists successfully record phase distribution of electrons, unveiling detailed structure of its complex wavefunction. The method uses attosecond laser pulse to visualize electron wavefunction in a gas.
Researchers at EMBL Grenoble have discovered that THC inhibits the human enzyme autotaxin, which is involved in cancer, inflammation, and pulmonary fibrosis. This finding provides new molecular insights into the therapeutic effects of medical cannabis.
Researchers have developed novel organometallic molecular junctions that exhibit unprecedented thermoelectric performance, achieving a Seebeck coefficient of 73 μV/K. These results are promising for the development of nanoscale semiconductors and efficient thermoregulation.
Researchers at Hokkaido University have developed a new class of antibacterial compounds targeting MraY, effective against MRSA and VRE. The findings provide a promising lead for the development of more effective antibiotics against multidrug-resistant bacteria.
Researchers have gained a better understanding of the structures and functions of Andhra gene products, paving the way for custom phages for therapeutic applications. The high-resolution knowledge of the virus structure is crucial for developing targeted treatments against Staphylococcus epidermidis infections.
Researchers at Max Planck Institute developed a new model describing the autonomous remodeling of molecular structures. This concept sheds light on self-organization in living matter and could inspire engineering strategies for designing molecular robotic shape-shifters.
Researchers at the University of Münster developed a new way to produce vicinal diamines, which are crucial for biologically active molecules and drugs. The process uses light energy from blue LEDs to produce these unsymmetrically constructed compounds without using transition metals.
Researchers demonstrate the expanded use of a computational method called AFIR, predicting pericyclic reactions with accurate stereoselectivity based on target product molecule information. The technique successfully handles molecules up to 52 atoms and predicts stereochemistry for reactions that break Woodward-Hoffman rules.
Researchers identified a shared conserved module in the formation of moss midribs and seed plant axillary meristems, highlighting a universal mechanism associated with evolutionary innovation. The GRAS family genes promote cell division in both structures, leading to defects when this process is compromised.
Scientists at KAUST have identified dynamic regions, called cryptic binding sites, that can be targeted by drugs to treat cancer. The study reveals how molecular motion influences ligand binding to BTB domains, a critical part of many proteins involved in disease.
A new technological advancement at the University of Oklahoma will enable scientists to study whole macromolecular structures without deconstructing them. This breakthrough, supported by a $50,000 NIH grant, aims to analyze proteins as intact molecules, improving our understanding of their modifications and interactions.
The study reveals the structure of the 15-subunit IFT-B complex, a crucial component in cilia formation and maintenance. The complex's elongated and flexible nature is consistent with previous low-resolution reconstructions, and two configurations are identified that may drive bi-directional movement.
Researchers reveal the dynamic nature of RNA molecules, which can take on multiple shapes and regulate cellular processes. The 'RNA structurome' holds key to understanding disease mechanisms and developing new therapeutic strategies.
A University of Illinois team discovered liquid crystalline epoxy resins with high thermal conductivity, outperforming common polymers by up to 5 times. The breakthrough was achieved by precisely controlling the lengths of ethylene repeat units in the polymer structure.
The researchers developed a novel approach to infrared spectroscopy called Infrared Diffusion-Ordered Spectroscopy (IR-DOSY), which separates molecules with different sizes into distinct sets of IR peaks. This method has potential applications in fields such as proteins, polymers, pharmaceuticals, and biomedicine.
Researchers at La Jolla Institute for Immunology have developed a new therapy for Lassa fever using a trio of rare human antibodies that can block viral infection. The therapy, called Arevirumab-3, was tested in non-human primates and proved 100% effective in treating the disease.
Researchers at Hokkaido University have developed a one-pot-and-one-step synthesis procedure to create long and geometrically interlinked polymer molecules. This process can produce a wide range of advanced materials with applications in drug delivery, data storage, microelectronics, and nanolithography.
Researchers developed a computational protocol called MACH that can quickly determine whether a given compound will form a crystal hydrate. The tool uses rules to systematically determine where water would likely be inserted into a crystal, providing essential knowledge for drug development and formulation.
Scientists have elucidated the exact molecular structure of an IgM-type B cell receptor, revealing its asymmetrical complex with signaling subunits. The discovery provides insights into how the receptor interacts with other molecules and could lead to a better understanding of vaccine development and lymphoma formation.
Scientists at Tokyo Institute of Technology create novel self-complementary macrocycles with high control over assembly, using a dual interaction system that incorporates hydrogen bonding and π-π interactions. The resulting structures have potential applications in optical and electronic functions.
Researchers at OHSU have revealed the structure of the key part of the inner ear responsible for hearing, a long-standing mystery. The discovery could lead to new treatments for hearing impairments affecting over 460 million people worldwide.
Scientists from NTU Singapore have discovered that telomeres are stacked in columns like a spring, leaving DNA exposed to damage. This finding could improve understanding of how humans age and develop cancer, with potential treatments for diseases caused by dysfunctional telomeres.
Researchers used advanced imaging techniques to understand the structure of bacterial propellers, which are made of a single protein. The study reveals that bacteria push themselves forward by coiling these appendages into corkscrew shapes, and that similar structures have evolved independently in archaea.
A study conducted at the University of Zurich has identified a key gene network responsible for severe tooth enamel defects. The researchers found that mutations in the Adam10 molecule lead to disorganization of ameloblasts and severe defects in both structure and mineral composition of enamel.
Researchers at the University of Massachusetts Amherst discovered that uniformly charged macromolecules can self-assemble into large structures through dipole-dipole interactions. This finding highlights the importance of dipoles in biological assembly processes and offers new insights into life's fundamental mysteries.
A recent study by Texas Tech University Health Sciences Center researchers has shed light on the mechanisms of salt transport across membrane barriers. The findings have significant implications for treating cystic fibrosis, a disease caused by mutations in three types of sodium-potassium pumps.
Researchers have gained insight into the electronic structure of hydrated proton complexes, revealing that three inner water molecules are drastically modified by the proton. The first hydration shell senses the electric field of the proton through Coulomb interactions.
Scientists defined the structure of a substrate-bound iron enzyme and found it uses cations to drive desaturation during catalysis. The work could lead to the creation of valuable molecules like vinyl isonitriles with antibiotic properties.
A team of scientists generated a molecular atlas of the Australian bearded dragon's brain, comparing it to mouse data. The findings suggest that both reptilian and mammalian brains evolved clade-specific neuron types from a common ancestral set, challenging popular views on brain evolution.
Researchers led by Heinz Langhals have found intermolecular interactions that extend beyond 100 nanometers, enabling molecules to interact with their environment at almost macroscopic dimensions. This discovery raises new possibilities for addressing molecular structures macroscopically and may lead to advancements in molecular memories.
Researchers used x-ray crystallography to study the main protease of SARS-CoV-2 at various temperatures, revealing subtle conformational changes and potential targets for drug design. These findings may inspire the development of new antiviral drugs to counteract COVID-19 and prevent future pandemics.
Researchers have developed new methods to prepare state-of-the-art zeolites with nano-sized dimensions and hierarchical structures, critical for industrial applications. The findings emphasize the importance of smaller size and structure in determining performance.
Researchers determined the cryo-EM structure of IGF Ternary complex and its assembly & activation mechanism. The study reveals how IGFBP3 and ALS form a stable complex with IGF1, regulating its activity. The findings provide new insights into growth-related diseases such as growth hormone deficiency and ALS deficiency.
Researchers at Nagoya University have developed a new technique for creating polymers with controlled molecular weight and high optical activity. The discovery uses a combination of living cationic polymerization and asymmetric cationic polymerization, resulting in optically active polymers with unique properties.
Researchers at Hokkaido University used computer simulations to discover a reaction that selectively adds two fluorine atoms to a difficult-to-access position on an N-heterocycle. The successful synthesis of 48 new compounds with unique alpha position fluorine substitutions has significant potential for novel drug development.
A new study from Tokyo Institute of Technology introduces a novel crystal engineering strategy to design ultrabright fluorescent solid dyes. This approach allows for monomeric emission and suppressed intermolecular interactions, enabling the creation of highly dense crystalline structures with controlled electronic properties.
Researchers developed a monoclonal antibody that binds E-cadherin, strengthening cell adhesion and preventing cancer metastasis. The antibody, 19A11, has two binding modes that increase adhesive strength through salt bridge formation.
Researchers have developed instruments for single-molecule electrochemistry and spectroscopy, aiming to design and synthesize materials with chemistry, physics, and engineering at the atomic scale. They discuss challenges and opportunities in functionalizing molecular junctions and forming stable molecular electronic devices.
Researchers at IBS and Xiamen University reported the synthesis of Cd14Se13 cluster, the smallest nanocluster synthesized as of today. The cluster has a core-cage arrangement with an adamantane-like CdSe structure, enabling the growth of nanocrystals with unusual structures.
Researchers at Rice University have created 2D chiral superstructures using three-sided pyramids, which could lead to breakthroughs in metamaterials. The structures, composed of ultrathin assemblies of particles, incorporate left-handed and right-handed domains and exhibit unique optical properties.
The study reveals multiple dimeric structures of cadherins in solution, including W-, cross-, and S-shaped dimers. The researchers propose a novel conformation, the S-shaped dimer, and suggest that binding mechanism progresses through sliding motion followed by flipping motion to form stable SS-dimers.
Researchers at Tokyo Institute of Technology have successfully synthesized a synthetic mechanosensitive potassium channel, exhibiting stimuli responsiveness and selective ion transport. The new ion channel could lead to breakthroughs in therapeutic treatments for ion-channel related diseases.
A research team, led by Rohit Pappu and Anthony Hyman, found that protein molecules form dynamic clusters at low concentrations, which have structures that encode function. This discovery challenges the long-held assumption that there is no further structure underlying biomolecular condensates.
A University of Illinois research effort has accelerated imaging techniques to visualize small molecules clearly, enabling better understanding of their chemical processes and synthesis. The team's discovery unlocks potential in everyday life applications, from plastics to pharmaceuticals.
The study reveals that TAD boundaries, insulating properties of which are based on the binding of protein CTCF, can vary in strength depending on individual site properties. This finding has implications for understanding genetic diseases and cancer.
Researchers determined the molecular structure of the HIV Pol polyprotein, a critical component in the virus's replication process. The discovery sheds new light on how HIV reproduces itself and reveals a new vulnerability that could be targeted with drugs.
Researchers at Tokyo University of Science have developed a fast and facile synthesis method for antibacterial amino acid Schiff base copper complexes using microwave irradiation. The new technique produces high-purity products with promising antimicrobial activity, overcoming the challenge of long synthesis times.
Researchers at the Garvan Institute of Medical Research have identified key molecules linked to the mammalian-meat allergy caused by tick bites. The study reveals that a particular antibody type has a natural pocket into which a sugar molecule, galactose-α-1,3-galactose (alpha-gal), snugly fits.
Researchers from Kumamoto University create nanocavities using ovalene molecules on gold electrodes, trapping a single thiol molecule. This breakthrough enables precise molecular design for future electronic devices and sensors.
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.
The study reveals how the protein binds to ligands and inhibitory antibodies, providing insights into its molecular function. The findings may lead to better targeted therapeutic approaches in the future.
Scientists successfully measured the attosecond-scale Wigner time delay in molecular photoionization, providing insights into the timing of the photoemission process. The 'double-pointer attoclock' scheme was used to disentangle the orientation-dependent behavior of molecular Coulomb interaction and molecular orbital structure.
King Abdullah University of Science & Technology (KAUST) researchers have created a new membrane material that separates nitrogen from methane based on their shape difference. This approach reduces purification costs for natural gas by up to 73% compared to existing methods, offering an energy-efficient solution.
Scientists at KAIST have discovered a new polymer mesophase structure that forms through a random copolymer sequence. This unique structure is characterized by a bilayer-folded lamellar mesophase, which exhibits properties such as birefringence and viscoelasticity.
Heidelberg University researchers have identified a key protein HYPK that regulates N-terminal acetylation, prolonging plant protein life and enhancing drought resistance. This mechanism appears to be ancient, retained across various organisms.
A recent study by Indiana University researchers found that the structure of DNA storage in archaea affects its evolution rate. The study discovered that compacted DNA compartments change at a faster rate than less compacted ones. This discovery has potential impacts on research on genetic diseases like cancer.
Researchers elucidated the protease-inhibitory mechanism of A2ML1 using cryo-EM structures, shedding light on its role in severe autoimmune blistering diseases. The study improves understanding of related proteins and their function.
Ohio University researchers have discovered a new carbon solid called amorphous graphite, which can be formed from coal at high temperatures. The material has layers of pentagons and hexagons, reducing its electrical conductivity compared to graphene.
Researchers have developed a novel method for molecular encoding using paramagnetic properties, enabling digital information storage and transmission. The system uses lanthanide elements to create unique signals that can be read remotely, with potential applications in chemistry, pharmacy, telemedicine, and more.