Articles tagged with Alkalis
Scientists at The University of Osaka develop transparent, plastic-free wood without lignin or additives, showcasing the crucial role of cellulose microfibril skeleton alignment in achieving transparency. This breakthrough paves the way for sustainable transparent materials with applications in energy-efficient buildings and devices.
Researchers developed a faster and cleaner method using flash Joule heating to extract high-purity lithium from spodumene ore. The technique achieved nearly instantaneous lithium extraction with 97% purity and 94% recovery, outperforming traditional methods.
New research compares four methods for extracting edible insect protein, finding that alkali extraction boosts protein content while enzyme treatment improves nutritional value. Additionally, salt-assisted extraction reveals anti-inflammatory effects and anti-diabetic properties.
A study published in The Journal of Urology found that alkaline water has a negligible alkali content, making it ineffective for preventing kidney stones. Alternative beverages and over-the-counter products with higher alkali levels may be more effective in raising urinary pH.
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 have developed a novel carrier doping method for p-type semiconductors, which improves photovoltaic device performance by increasing hole concentration. The new method uses alkali ion impurities to enhance conductivity in copper(I)-based semiconductors.
Two new-to-science scorpions, Paruroctonus soda and P. conclusus, are described by Bay Area high school students Harper Forbes and Prakrit Jain in collaboration with the California Academy of Sciences. The species are alkali sink specialists found only in playas from Central and Southern California.
Researchers have developed a new carbon capture method using sponge-like materials that can trap CO2 without degrading over time. The materials are made from sugar and low-cost alkali metal salts, making them a potentially cost-effective solution for reducing coal-fired power plant emissions.
Researchers successfully synthesized a novel nitride with hexazine rings, a dianionic compound, for the first time in a laboratory experiment. The nitride remained stable under pressures as low as 20 GPa, paving the way for potential high-energy density materials.
Researchers have directly observed N2 adsorption and tunneling electron-induced desorption processes at the atomic scale using scanning tunneling microscopy. The study reveals dominant pairwise electrostatic interactions between K and N2, weakening the molecule bond towards dissociation in the Haber-Bosch synthesis.
Researchers at IOCB Prague develop a method to prepare metallic water without high pressure, by dissolving electrons from alkali metal in water vapor. The resulting solution lasts several seconds and contains dissolved alkali cations and hydroxide and hydrogen.
Researchers have found a complex equilibrium between bimetallic species in the Br-Mg exchange, with lithium magnesiates playing a key role. Detailed NMR spectroscopic studies revealed that an alkyl-rich lithium magnesiate is the active species of the reaction.
Researchers at USC Dornsife College of Letters, Arts and Sciences have successfully created metallic ammonia, allowing for a clearer understanding of the behavior of delocalized electrons. The study's findings open up new possibilities for synthesizing important organic compounds using this unique solution.
An international team developed a sophisticated experimental technique at BESSY II to observe the formation of a metallic conduction band in electrolytes. The team analyzed the process using soft X-rays and combined it with theoretical predictions, making this a significant contribution to fundamental understanding.
Scientists have successfully mapped the electrolyte-to-metal transition in alkali metal-liquid ammonia solutions, revealing the formation of a conduction band with sharp Fermi edges. This study provides a detailed molecular picture of metallic behavior and could lead to the preparation of metallic water.
Researchers at the University of Johannesburg found that high-temperature heat-treatment can significantly improve fly ash geopolymer concrete's resistance to extreme alkali attack. The findings show that the material maintains about 50% residual strength after being immersed in an extreme alkali medium.
The EU Sharc25 project optimized conversion efficiency of CIGSe thin film technology through theoretical modeling, experimental characterization, and technological expertise sharing. The efficiency rose from 21.7 to 22.6 percent, thanks to post-processing with alkali elements.
Researchers from the University of Bath have patented a technique that allows electrons to be accessed for applications including quantum computing, atom cooling, and precision measurements. The innovation uses gold nanoparticles to stabilize alkali metal vapors, enabling fast and reproducible control over the vapor density.
Researchers discovered that alkali flies have developed a dense hair layer to reduce water loss in the highly alkaline environment. The flies' cuticular hydrocarbons also play a crucial role in protecting them from dehydration.
Researchers discovered what causes stability of various compounds not commonly found in textbook chemistry by reorganizing chemical interactions. The study published in Physical Chemistry & Chemical Physics suggests new model and principles for stability of forbidden substances.
Scientists have discovered a previously undocumented sheet-silicate crystal structure in the alkali-aggregate reaction, a chemical process that weakens concrete over decades. This breakthrough could lead to the development of more durable concrete, reducing global infrastructure failures.
Researchers investigated cocoa beans and powders to retain naturally occurring flavanols. The study found that alkali processing causes significant loss of flavanols, particularly epicatechin, leading to reduced health benefits.
Research suggests that diet soda's citrate and malate can inhibit calcium stone development, a known factor for kidney stones. Moderate consumption of diet soda may benefit patients with recurrent kidney stones.
A new study found that increasing alkali content in the diet through fruits and vegetables can counteract acid-induced bone loss. The study discovered bicarbonate has a favorable effect on bone resorption and calcium excretion.
A recent study published in The Lancet reports six cases of alkali eye injuries caused by liquid detergent tablets in children aged 18 months to 3 years. The children were treated for damage to the cornea and conjunctiva, with all patients recovering after prompt irrigation and hospitalization.
Researchers at Max Planck Institute for Quantum Optics found that molecular clusters break up into positively and negatively charged fragments upon impact with any solid surface. They propose that neutral alkali atoms play a key role in charge separation, leading to the formation of separate ionic fragments.