Articles tagged with Supramolecular Chemistry
A study by IRCCS Fondazione Istituto Neurologico Carlo Besta and Politecnico di Milano demonstrates that innovative materials can coat mitochondria without compromising their function. The coating method retains the mitochondria's ability to produce energy.
Researchers have developed a defect-engineered metal-organic framework catalyst that converts glucose into lactic acid with substantially improved efficiency. The catalyst showed activity toward raw biomass feedstocks, producing a 62.8% lactic acid yield at 170°C after four hours when corn cobs were used directly as a biomass feedstock.
Researchers have developed a fluorescent sensing platform that can detect uranyl ions at very low concentrations while producing a color change that can be analyzed with a smartphone. The probe achieves ratiometric detection with built-in self-calibration, providing accurate quantification of uranium contamination in water.
A research team at the University of Osaka has created a porous crystal that grows into a spring-like helix, changing shape as solvent molecules move in and out. The crystal has a high porosity and retains its structure even at high temperatures.
Scientists systematically map the Biginelli reaction to uncover a previously unknown branch that produces complex bicyclic structures and molecules with unusual supramolecular behavior
Researchers from NIMTE developed a coumarin-linked covalent organic framework (COF) that enables high-efficiency photocatalytic water splitting for hydrogen production. The COF achieved a hydrogen evolution rate of 531 mmol g-1 h-1 under 440 nm irradiation.
This collection features cutting-edge supramolecular hydrogel research, including applications for antibacterial therapy and diabetic wound treatment. Versatile materials are designed for biomedical use, offering potential solutions for various medical conditions.
Researchers at Kumamoto University have created a mobile drug delivery platform using polyrotaxanes to simplify targeting the liver. The platform achieves cellular uptake efficiency comparable to conventional systems, while reducing manufacturing complexity.
Researchers developed azaphenanthrene-fused non-fullerene acceptors with enhanced crystallinity and packing order, leading to high-efficiency devices. The N/halogen engineering strategy achieves a record 20.18% power conversion efficiency in binary organic solar cells.
Kyushu University researchers create a self-healing hydrogel packaging that tracks food spoilage through color changes, extending shelf life by 12 hours. The material can also repair itself, making it more durable and reliable in practical use.
Researchers review recent progress in supramolecular polymer science, highlighting key advancements in material morphology, physical mechanisms, and engineering applications. The field holds promise for developing recyclable materials, devices, and intelligent systems with adaptable properties.
Researchers developed ultrasound-responsive microspheres that release rhBMP-2 on-demand, promoting bone regeneration. The microspheres exhibit remarkable stability and trigger drug release via low-intensity ultrasound.
Scientists have developed a method to encapsulate enzymes in a protective molecular cage, enabling efficient and recyclable reactions at high temperatures. This breakthrough has far-reaching implications for sustainable chemical manufacturing and could lead to the creation of new products in industries such as cosmetics.
Researchers design a vapor-controlled reversible host–guest chemistry system that controls the optical and physical properties of a functional molecular liquid. The FML's optical and physical properties change immediately upon forming a host–guest complex, but can be restored by exposing it to hexane vapors.
Researchers at Hiroshima University have developed a new way to detect subtle, early-stage changes in human skin collagen using advanced optical imaging and chiroptical spectroscopy. The study reveals that the molecular organization and supramolecular chirality of dermal collagen collapses prior to visible fiber thinning or fragmentation.
Scientists have successfully created programmable supramolecular polymers in neutral lipid environments, such as triolein-rich lipid droplets. This breakthrough provides a new method for regulating cellular functions and has potential applications in treating diseases involving lipid droplets.
A team at Graz University of Technology has solved the puzzle of MOF thin film structure using advanced diffraction techniques and computational modeling. They found that prototypical Cu(bdc) thin films are not porous as expected, but instead densely packed with additional hydroxide groups.
A novel dual-scale encapsulation strategy for thermal energy storage using bio-derived palmitic acid and nanocellulose is reported. The composite achieved excellent shape stability and leakage resistance with a cumulative leakage rate of only 0.03% after heating.
Researchers developed a liquid material that charges like a battery, transforms like a living organism, and resets itself in open air. The material stores power for months and can be recharged, making it useful for adaptive clean renewable systems.
Professor Tony James has been awarded Honorary Fellow of the Chinese Chemical Society in recognition of his significant contributions to fluorescence chemical sensing, molecular identification, and diagnostic chemistry. He is a renowned expert in supramolecular chemistry and chemical sensing with broad international influence.
Researchers found that linear alkane molecules passed through nanoscale pores faster than shorter ones, with transport rates determined by pore size and gate flexibility. The study revealed a two-step transport mechanism involving an encounter complex at the outer surface of the nanocube.
Researchers developed Cel-T plastic, a novel cellulose-based supramolecular plastic with high mechanical strength, thermal stability, and versatile shapeability. The material combines the strengths of polylactic acid, polymethyl methacrylate, acrylonitrile-butadiene-styrene, and polyethylene terephthalate.
A study at Saitama University found that subtle changes in molecular structure can significantly affect aggregation and interfacial behavior of sugar-based surfactants. The researchers demonstrated that the sulfur oxidation state alters the relationship between aggregation in water and surface tension.
A team of scientists developed a chlorophyll-based supramolecular polymer that can gradually evolve from nonhelical fibers into well-defined helical structures. The transformation occurs cooperatively and is driven by small energy differences between stable arrangements, offering a blueprint for designing dynamic helical structures.
Researchers developed a platinum-based catalyst supported on oxygen-vacancy-rich cerium oxide (Pt/CeO2–Vo) to enhance hydrogen activation. The catalyst achieved a pyrrolidone yield of 95.2% within one hour, with high formation rates and excellent stability.
Researchers at Tokyo Metropolitan University have created a neutral molecule that can carry DNA into biological cells using a process called annealing. This breakthrough promises more effective therapies by reducing inflammation and improving delivery efficiency.
Researchers isolated native SOD1 monomers using coordination cages, revealing the dimer interface and enabling targeted ligand binding. This approach provides a promising new strategy for finding drugs that inhibit disease-causing protein aggregation.
A KTU researcher's study explores how Nobel Prize-winning metal-organic frameworks (MOFs) can be produced reliably and consistently at an industrial scale. The analysis shows that with the right production methods, MOF manufacturing can be financially viable within a short period of time.
The B-STING silica nanocomposite acts as a nanofactory of reactive oxygen species, activating itself in response to changes in the chemical environment. This material can be used to create biocidal coatings that are safe, durable, and resistant to dirt, with potential applications in medicine and other industries.
Researchers have developed a new approach to suppressing the shuttle effect in transition metal fluoride cathodes, leading to unprecedented discharge plateau voltage and high-performance thermal battery cathodes. The study focused on thermal batteries and utilized an ion-sieving concept to achieve selective confinement.
The Organometallic Chemistry and Homogeneous Catalysis group develops multisensitive catalysts with switchable properties using naphthalene diimides and N-heterocyclic carbenes. This simplifies catalyst optimisation, enabling a single catalyst to facilitate various chemical transformations.
Scientists create a corralled supercooled liquid by controlling the number of stationary atoms within a liquid, leading to an unusual phase of matter. The discovery could revolutionize our understanding of catalysts and lead to the design of self-cleaning materials.
A new photocatalyst has been developed that significantly boosts the efficiency and stability of hydrogen peroxide generation under visible light. The catalyst, known as a TTT COF, achieves nearly 30 millimoles per gram per hour in aqueous solution, outperforming its imine-based precursor.
Researchers at Tohoku University have demonstrated a water-resistant and recyclable redox-active metal-organic framework (RAMOF) that can store electrons in acidic aqueous solutions. The breakthrough material shows high durability in an aqueous RAMOF-based rechargeable battery.
Researchers at University of Illinois have developed polymers that exhibit enhanced conductivity due to controlled chirality and chemical doping. The study found that structural chirality boosts the chemical reaction controlling doping in polymers, leading to higher conductivity.
Researchers in Japan have developed a supramolecular polymer system that can adaptively transform into different dimensional states depending on the intensity of light applied, revealing mechanisms behind these dynamic transformations using high-speed atomic force microscopy.
Scientists achieve on-demand reversible switching between dynamic covalent polymers and thermosetting polymers, integrating advantages of both types. The 'quench-activation' strategy enables material system to balance sustainability and thermal stability.
Scientists develop molecular strategies for creating soft materials that can sense, move, and evolve in response to their environment. Three key principles of supramolecular robotics enable programmed motility, phase transitions, and prototissue formation.
This study introduces a novel kinetic control strategy to modulate supramolecular dissociation kinetics, enabling the regulation of dissociation rates over a wide range. The researchers found that steric hindrance controls supramolecular dissociation kinetics and material properties, resulting in stable networks with improved mechanica...
Scientists at The University of Osaka developed a polymeric adhesive that can be reused repeatedly by introducing reversible bonds into the interface. This technology could improve manufacturing yield, reduce costs and minimize waste.
Researchers developed a novel organic framework that stably incorporates a chlorine halogen bond, exhibiting excellent chemical stability and thermal resistance. The framework exhibits superior catalytic performance in palladium-catalyzed coupling reactions and can be easily recovered and recycled.
Researchers engineered a nanoreactor cage with visible-light absorption to drive highly efficient photochemical reactions. The cage achieved perfect stereo- and site-selectivity in cross-[2 + 2] cycloaddition reactions, enabling catalytic transformations of chemically inert substrates.
Developed by Professors Yu and Gao, BNOSE exhibits excellent mechanical properties and efficient chemical recovery, breaking current bottlenecks in sustainable elastomers. Its unique boron-based dynamic bonds provide robust interchain forces and degradation in mild ethanol solvents.
Researchers designed chiral amphiphilic pillar[5]arene derivatives to form stable chiral toroidal nanostructures and Möbius strip-like nanorings through non-covalent interactions. The assembly process exhibits solvent-dependent evolution, controlling luminescent properties and enabling the creation of functional chiral nanomaterials.
Researchers designed chiral amphiphilic pillar[5]arene derivatives that spontaneously formed chiral toroidal nanostructures and Möbius strip-like nanorings through non-covalent interactions. The assembly process exhibited solvent-dependent evolution, resulting in structure-dependent luminescent properties.
Researchers at UNIST developed a platform to engineer moiré systems with customizable length scales, enabling precise control over electronic properties. The study introduces quasiperiodic patterns with potential to subtly influence electron behavior.
Scientists create a new class of mechanochromic mechanophores that can detect and respond to mechanical stress in polymeric materials through fluorescence. The developed molecule exhibits excellent stress-sensing with high durability, offering a powerful tool for real-time monitoring of mechanical damage.
Scientists have developed a novel CT-ICT system that utilizes a pyrazinacene derivative to facilitate reversible color-changing properties. The system, which co-crystallizes with naphthalene, demonstrates a dramatic color shift from greenish-blue to red-violet.
Researchers successfully constructed a large molecular spherical shell structure with the geometric topology of a regular dodecahedron through entanglement of peptides with metal ions. The resulting M60L60 metal-peptide shell exhibits remarkable stability against heat, dilution, and oxidative conditions, making it a promising platform ...
The study successfully manipulated the formation of left-handed or right-handed helical aggregates using precise light control, exhibiting promising insights into novel functional materials. The researchers found that residual aggregates acted as nucleation sites forming oppositely directed helical assemblies under certain conditions.
A new study by researchers at the Institute of Science Tokyo hints that calcium ions played a crucial role in shaping life's earliest molecular structures. The team discovered that calcium dramatically alters how tartaric acid molecules link together, favoring homochiral polymers and potentially influencing the emergence of life.
A team of researchers has developed a molecular system that enables the controlled release of iron, using a carbon nanohoop and ferrocene as the iron carrier. The system allows for the release of Fe2+ ions upon activation with green light.
Researchers have developed a supramolecular delivery system that integrates bakuchiol with an ionic liquid, enhancing its anti-aging efficacy while minimizing redness and itching. The breakthrough increases the permeability of bakuchiol by 4.17 times, promoting collagen synthesis and exerting anti-aging effects on the skin.
Researchers visualized the dynamic shuttling of α-CD rings along a PEG chain in real time, revealing localized structural changes. The study introduces a new method for analyzing supramolecular polymers and could pave the way for energy-efficient molecular motors.
Research team develops a new design strategy to enhance efficiency, stability, and stretchability of polymer solar cells. The discovery uses a three-dimensional aromatic-core tethered tetrameric acceptor, achieving significant improvements in performance and durability.
Australian scientists have identified the origin of the restoring force in elastic crystals, allowing for the design of new hybrid materials. The study found that energy is stored in molecular interactions under compressive and expansive strain, enabling the crystal to return to its original shape.
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.
Researchers developed a novel cyclic molecule that selectively traps phosphate species through multi-point hydrogen bonding in harmony with water molecules. The findings provide guidelines to design new cyclic molecules for aqueous environments, significant for materials development.
Researchers developed chlorophyll-based structures with controlled hierarchical stacking, mimicking natural photosynthetic systems. The study demonstrates the potential for creating materials that surpass natural capabilities in efficiency and adaptability.
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.