Articles tagged with Chemical Stability
Researchers at Cornell University have developed a novel strategy for making recyclable polyolefins by introducing masked double bonds, known as 'Trojan horse' functional groups. These polymers can be chemically deconstructed and re-polymerized without losing quality.
Researchers have developed a three-dimensional mesoporous biosensing-membrane with neighborhood nanostructures, exhibiting excellent sensitivity and long-term stability. The membrane uses a ternary coating to assemble Prussian blue and glucose oxidase, improving cascade reaction efficiency and sensing stability.
Researchers developed a novel hybrid protein complex by binding lysozyme to copper for enhanced reactive oxygen species (ROS) removal. The CuST@lysozyme hybrid protein showed high SOD activity and stability in biological fluids, paving the way for its therapeutic applications.
A new material analysis method combines resonant X-ray diffraction and solid-state NMR to reveal the chemical order of Mo atoms in disordered Ba7Nb4MoO20. The study provides valuable insights into how a material's properties, such as ion conduction, are influenced by its hidden chemical order.
Researchers propose a new bonding theory that illustrates how each boron atom satisfies the octet rule and how alternating σ bonds further stabilize the 2D sheet. The theory introduces a new form of resonance, allowing delocalization of σ electrons within the plane.
The study reveals that the stability of Dion-Jacobson 2D perovskites is determined by the rigidity of organic diammonium cations. This mechanism allows for intercoordination between organic and inorganic components, enabling a stabilized state. The findings may provide guidance for manipulating the stability of DJ 2D perovskites.
Researchers have pushed single-atom vibrational spectroscopy to the level of chemical bonds, enabling precise measurements of point defects in graphene. The study found unique vibrational modes for two types of silicon point defects, with stronger signals for one defect configuration.
Researchers at City University of Hong Kong have developed a lead-free perovskite photocatalyst for highly efficient solar energy-to-hydrogen conversion. The study uncovers the interfacial dynamics between halide perovskite molecules and electrolytes, enabling better photoelectrochemical hydrogen generation.
Researchers at Hokkaido University developed a novel branched ionizable lipid that significantly increases the efficiency of mRNA delivery by LNPs. The new lipid, CL4F 8-6, was found to enhance protein expression in mice and achieve stable formulations.
Researchers developed a new approach to fabricate multilayered ceramic membranes with ceria-based thin-film for stable hydrogen production. The interface-reaction-induced reassembly method resulted in highly dense and adherent layers with reduced ionic transport resistance, enabling long durability (>1000 hours) in practical conditions.
Researchers developed a novel method to create deep nanochannels in hard and brittle materials like silica, diamond, and sapphire. By employing femtosecond laser direct writing technology, they achieved sub-100-nm feature sizes and ultrahigh aspect ratios.
A KAUST-led team creates selective anode catalysts for stable and efficient hydrogen evolution in seawater splitting. The nanoreactors exhibited high electrocatalytic activity and stability due to their unique structure, isolating the electrolysis from side reactions.
A Japanese research team has synthesized isotopic atropisomers, a rare class of compounds, using ortho-CH3/CD3 discrimination. The resulting isotopic atropisomers exhibit high rotational stability and stereochemical purity.
An international team developed two methods to protect and deprotect graphene nanoribbons from atmospheric oxidation, enabling scalable applications of their unique characteristics. The new strategy allows for the integration of carbon nanostructures into devices.
Researchers at KAUST have developed a new type of carbon molecular sieve membrane that overcomes drawbacks of existing polymer membranes. The membrane, made from 6FDA-DMN, exhibits high rejection of small molecules and exceptional stability in various organic solvents.
Lithium niobate photonics has developed rapidly, enabling compact devices with high performance. Thin film lithium niobate (TFLN) structures have shown significant improvements in refractive index contrast, paving the way for more integrated photonic devices.
Scientists at the University of Freiburg have developed a novel process for 3D printing small and complex components made of transparent glass. Using Glassomer materials and Computed Axial Lithography, they can create structures with thicknesses as low as 50 micrometers in just a few minutes.
Researchers have found a way to modify carbon nanotubes to meet the requirements of novel electronic devices. The team discovered that exposure to plasma or shortening tube lengths leads to a drop in conductivity at low terahertz frequencies, but at high enough frequencies electrons move freely.
KTU researchers have developed new materials that significantly improve the stability and efficiency of perovskite solar cells. The new materials use a passivation method to prevent degradation, achieving an efficiency of 21.4% in record-breaking solar modules.
Researchers developed a new process to produce stable formamidinium perovskite (FAPbI3) materials, which can be used to make more efficient and stable solar cells. The novel approach uses lower temperatures and eliminates additives, making it suitable for large-scale production and flexible solar cell applications.
Researchers used AI to optimize multiple properties of flow batteries, finding molecules that store a lot of energy and remain stable. The study uses quantum chemistry-guided multiobjective Bayesian optimization to identify promising candidates.
Researchers have developed a new light-emitting material that doubles the intensity of existing LEDs while also being more energy-efficient. The material, cerium-doped zinc oxide, has the potential to be used in commercial LED lighting applications and could make lighting more affordable for households and businesses worldwide.
A new synthesized chemical compound demonstrates how introducing diradical systems can alter the properties of carbon nanotubes, including spin states and aromaticity. The findings show smaller singlet state systems exhibit in-plane aromaticity and stability.
Researchers at MIT have devised a lithium metal anode that could improve battery performance by reducing stress on the solid electrolyte layer. The new design utilizes a three-dimensional nanoarchitecture, allowing the lithium to flow like a liquid while maintaining its solid structure.
Researchers found that widely used naloxone nasal spray and injection products retain high potency and stability beyond their labeled expiration dates. This study suggests extending shelf-life could aid in increasing medication availability, particularly during the ongoing opioid epidemic.
Researchers developed thermally and chemically durable organic frameworks with large surface areas and fluorescence properties. The new materials have wide specific surface areas and can withstand high temperatures and acidic environments.