Articles tagged with Supramolecular Chemistry
Researchers have developed a simple model system to break down fibrils into their constituent single units or liquid droplets. This discovery has the potential to treat neurodegenerative diseases such as Alzheimer's and Parkinson's by targeting pathological fibrils.
Researchers developed a sustainable, high-performance material suitable for packaging and biomedical devices by exploiting the mechanical properties of cellulose nanofibres. Adding small peptides improves their mechanical performance and water-resistance.
Scientists developed a novel method to create colloidal molecules with specific symmetry using fluorescent polymers and self-assembly. The process allows for the formation of soft materials with various symmetries depending on the polymer mixing ratio.
A new approach to lyotropic chromonic liquid crystal assembly has been developed using charged π-electronic molecules. The assembled materials exhibit optical anisotropy, magnetic susceptibility, and temperature-dependent orientation, enabling the design of materials with specific properties.
Scientists have created an artificial motor that converts chemical energy into rotational energy at the supramolecular level, mimicking the movement of primitive bacteria. The new development has potential applications in nanorobots for detecting tumor cells and could lead to innovative medical 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.
A recent study developed a new folded supramolecular polymer that spontaneously undergoes interchain aggregation, exhibiting potential applications in stimuli-responsive materials. The research team used atomic force microscopy to demonstrate the relationship between unfolding and aggregation.
Researchers from Tokyo University of Science created a novel mechanical motif, double-helical monometallofoldamers, with controllable chiral switching properties. The new molecule can undergo inversion switching in response to external stimuli, paving the way for novel high-order molecular systems and molecular information processing.
Researchers at TUM discovered a mechanism that enables double-stranded RNA molecules to form and remain stable in the primordial soup. This discovery has significant implications for understanding the origin of life and could lead to breakthroughs in medicine, particularly in vaccine development.
Scientists at Yokohama National University have developed a novel approach to create dual-pore molecular crystals with two distinct functionalities. By using quasi-racemates, the researchers achieved social self-sorting of two pairs of quasi-racemates to form ring-shaped molecules with varying pore sizes.
Researchers at Ritsumeikan University enhance solid-state phosphorescence in organoplatinum(II) complexes by 75 times through anion binding and ion-pairing with countercations. The strategy isolates π-electronic molecules, improving luminescent properties and extending emission lifetime.
Researchers at Politecnico di Milano have designed a hydrogel with specific characteristics using supramolecular chemistry and crystallography. The study showed that the interactions between an amino acid and bioactive molecules can be identical in both solid and aqueous states.
Scientists created a supramolecular machine that efficiently converts azobenzenes to their metastable conformation using visible light. The approach, inspired by the deep-sea fish vision system, overcomes limitations of traditional photoswitchable molecules.
Researchers have developed a novel supramolecular memristor based on bistable [2]catenanes, which can achieve high-density storage and non-volatile memory capabilities. The memristors demonstrated at least 1000 erase-read-write cycles and switching times comparable to commercial inorganic memristors.
The team created a proof-of-concept nanocapsule capable of delivering specific payloads to targeted locations, with potential applications in drug delivery, nutrient transport, and other fields. By using calcium metal ions as building blocks, they can generate identical reservoirs for different substances.
Scientists have successfully imaged electronic molecular orbitals of single molecules, revealing superatom molecular orbitals suitable for electron transport in organic electronics. This breakthrough imaging technique will facilitate studying structural changes and reactions of molecules.
A team of researchers from Japan has developed hemoCD-Twins, a synthetic porphyrin compound that acts as an antidote for both carbon monoxide and hydrogen cyanide poisoning. In mouse models, the compound resulted in an 85% survival rate and rapid recovery with low toxicity.
Researchers developed an eco-friendly porous polymer material that removes phenolic organic contaminants and microplastics from water at ultra-high speeds. The material can be reused multiple times without losing performance, making it a promising solution for efficient water purification.
Researchers have created a chemical compound, Pillar[6]MaxQ (P6AS), which can counteract the effects of fentanyl and methamphetamine in lab experiments. The compound works as a molecular container, binding to drugs and reversing their biological properties.
Researchers discover circular polycatenanes with properties similar to DNA rings, showcasing a connection between local and global properties. These structures have unique elastic properties and can be used in designing new materials and micro-sensors.
Researchers have successfully segregated oppositely helical supramolecular polymers in a solution using audible sound, inducing surface vibrations and advection currents. This approach allows for the spatiotemporal control of chiral supramolecular systems, enabling the segregation of multiple aggregates.
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 used laser melting to produce composite particles with sizes ranging from 400 to 600 nanometers. They discovered how to determine the critical size of particles that begin to change under laser light, and found that larger particles reach lower temperatures.
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.
A team of researchers from Tokyo University of Science has developed a novel multi-proton carrier complex that shows efficient proton conductivity even at high temperatures. The resulting starburst-type metal complex acts as a proton transmitter, making it 6 times more potent than individual imidazole molecules.
Researchers from Tokyo University of Science developed novel complex-peptide hybrids that induce programmed cell death in apoptosis-resistant cancer cells through paraptosis. The compounds, syn-6 and anti-6, inhibit cell death by uncoupling mitochondrial calcium uptake and inducing cytoplasmic vacuolization, leading to cell death.
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 have developed luminescent gels inspired by nature, offering potential applications in bank note counterfeiting and next-gen bio-sensing. The gels utilize lanthanide ions for unique properties, including self-healing and variable emission intensities.
Researchers at Politecnico di Milano developed a new approach using additives that form halogen bonds with halide ions in perovskites, improving stability and efficiency. This technique enables the creation of hydrophobic and water-repellent perovskites, blocking trap states and increasing electrical energy conversion.
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
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.
A new research paper by the Women In Supramolecular Chemistry (WISC) network reveals the lived experiences of supramolecular chemists during Covid-19, focusing on the impact of caring responsibilities and emotional load. The study found that mental health was significantly negatively affected among those with caring responsibilities.
Researchers at Kumamoto University developed a novel 'supermolecular' material that binds to protein drugs, prolongs their effect without impairing activity, and improves overall drug performance. The material, called PEG-PRX, adds polyethylene glycol chains to proteins without compromising biological action.
Researchers have successfully degraded synthetic polyisoprene using enzyme LCPK30, a breakthrough that could enable recycling of car tires and production of new plastics. The method involves creating an emulsion with the polymer, allowing the enzyme to break down long molecular chains into smaller fragments.
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 produced iron-based Metal Organic Framework (MOF) materials directly using renewable electricity at room temperature, overcoming challenges in scalability and environmental friendliness. The new method is 96% efficient and enables the creation of advanced MOF sensors.
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.
Scientists developed new AI-based tools to identify and study materials exhibiting a metal-insulator transition (MIT), which could lead to faster and more energy-efficient microelectronic devices. The tools provide a freely available database, online classifier, and new features for characterizing these materials.
A new study highlights barriers for women and marginalized groups in supramolecular chemistry, including the need for mentoring opportunities and visibility. The study also found that women face obstacles during career breaks and parenting, while men do not.
Researchers developed solid state and time-step VCD methods to study chirality amplification in supramolecular systems. These enhancements allowed detection of chiral gels, metal complexes, and molecular pairs on solid surfaces, opening a new horizon for VCD spectroscopy.
Researchers created a well-defined supramolecular structure that pushes the 20-nanometer scale, overcoming a major obstacle in supramolecular chemistry. This breakthrough could lead to the development of new materials with unique functions and properties.
Chenfeng Ke, an assistant professor at Dartmouth College, has been awarded the 2020 Cram Lehn Pedersen Prize for his groundbreaking work on supramolecular chemistry. His research focuses on developing dynamic systems and macroscopic machinery materials that operate cohesively at the molecular level.
The Russian Science Foundation has awarded grants to 19 researchers from Kazan University, totaling 4-6 million rubles over three years. The projects span various fields, including physics, chemistry, biology, and psychology.
Kazunori Sugiyasu, a renowned Japanese chemist, has been awarded the Friedrich Wilhelm Bessel Research Award for his groundbreaking work on supramolecular polymers. He will collaborate with Professor Frank Würthner at the University of Würzburg to develop artificial chloroplasts that harness light energy to produce fuels.
Researchers at RUDN University developed a new complex mercuric compound with unusual structure using non-covalent interactions. The compound can be used to create molecular machines, which are molecules capable of mechanical work.
Scientists have created stable qubits using supramolecular chemistry, enabling the connection of individual qubits into structures called two-qubit gates. This approach has potential for creating multi-qubit gates and advancing quantum computing.
Researchers at Indiana University have discovered a new molecular structure with potential applications in reducing nuclear and agricultural waste. The 'supramolecule,' which consists of two negatively charged ions, could be used to remove sulfate ions from nuclear waste storage processes and extract harmful phosphate ions from the env...
Scientists at the University of Würzburg have developed a supramolecular ruthenium macrocycle that mimics photosystem II, improving water oxidation efficiency and reducing carbon dioxide emissions. The new catalyst enables the production of high-energy-density fuels like hydrogen, methane, or methanol.
Peter J. Stang has pioneered supramolecular chemistry, which could be used in drug delivery and oil refining. He is the first to receive the ACS Priestley Medal for his contributions to organic chemistry.
Peter J. Stang has been awarded the American Chemical Society's Priestley Medal for his pioneering work on supramolecular chemistry, a field that could lead to new drug delivery vehicles and more efficient oil refining. With over 450 papers authored, Stang is a prominent figure in the field of organic chemistry.
Researchers at UCLA have successfully created a nano valve that can trap and release molecules on demand, controlling them at the nano scale. The device uses switchable rotaxane molecules attached to a tiny piece of glass, allowing for precise control over molecule movement.
The Beilstein Journal of Organic Chemistry will publish original research on all aspects of organic chemistry and related disciplines. The journal aims to provide a chemically intelligent presentation of articles while emphasizing speed of publication.
Researchers at Virginia Tech have developed a system that converts light energy from the sun into chemical energy, producing hydrogen gas. The team's molecular machines use light signals to collect and deliver electrons, enabling the production of hydrogen through artificial photosynthesis.
A Ph.D. student in chemistry at Virginia Tech has been selected to attend the 53rd Meeting of the Nobel Laureates, focusing on biochemistry. The student will have personal interactions with Nobel laureates and engage in seminars and roundtable discussions.
Virginia Tech researchers have developed a new class of supramolecular complexes that can bind to DNA and are water soluble. The complexes, created by coupling anticancer drug cisplatin with ruthenium(II) chromophores, can be easily modified synthetically.
Scientists Nori Yamaguchi and Harry Gibson have developed a reversible process to form supramolecular polymers, which can be used to create fibers or transport target molecules. The polymers are formed through hydrogen bonding and can be undone at the molecular level using heat or pH.