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“#Scientists suggest using gold nanoparticle metasurfaces to determine substance molecular composition” Gold Particles Credit: Dmitry Bayer A new method will make it possible to create compact devices that will accurately determine molecular composition of a liquid or gas, and help identify potentially dangerous chemical compounds. The results of the work carried out by researchers from…
“#New study provides evidence for decades-old theory to explain the odd behaviors of water” A new study from Princeton University and Sapienza University of Rome provides strong evidence for a controversial theory that at very cold temperatures water can exist in two distinct liquid forms, one being less dense and more structured than the other….
“#Innovative catalytic reaction for low-cost synthesis of aromatic esters” Credit: CC0 Public Domain Aromatic esters are chemicals that contain an aromatic ring consisting of functional groups called esters. These organic compounds are widely used as chemical feedstock in industries like food and beverages, pharmaceuticals, and cosmetics. Thus, finding efficient reactions for their synthesis is an…
“#Study reveals science behind traditional mezcal-making technique” Credit: Unsplash/CC0 Public Domain Artisanal makers of mezcal have a tried and true way to tell when the drink has been distilled to the right alcohol level. They squirt some into a small container and look for little bubbles, known as pearls. If the alcohol content is too…
“#Scientists observe catalyst during Fischer-Tropsch synthesis for the first time” Test setup including high-pressure cell for the Fischer-Tropsch measurement campaign using the CAT-ACT measurement line at the KIT synchrotron. Credit: Tiziana Carambia Suitable catalysts are of great importance for efficient power-to-X applications—but the molecular processes occurring during their use have not yet been fully understood….
“#A new understanding of protein movement” A team of engineers has shown that surface diffusion in protein transport into ion-exchange beads depends on adsorption affinity — a measure of attraction between the two materials. Credit: University of Delaware Many of the most promising medicines under development are proteins, often antibodies, to help patients fight disease….
“#Development of a small sensor capable of continuously monitoring the phytohormone ethylene” A small, highly sensitive sensor capable of detecting ethylene with great selectivity. Credit: NIMS NIMS and AIST have developed a small sensor capable of continuously monitoring the plant hormone ethylene. Ethylene gas promotes ripening in fruits and vegetables, but excessive exposure promotes them…
“#Researchers find new shape for hydrophobic molecules in water” Credit: CC0 Public Domain The embedding of hydrophobic molecules in water looks quite different than previously assumed. In water, hydrophobic molecules are surrounded by a two different water populations: the inner shell forms a two-dimensional network of water molecules. The next layer is formed by a…
“#A Rubik’s microfluidic cube” Fabrication process of a microfluidic cube. Credit: Nature: Microsystems and Microengineering, doi: 10.1038/s41378-020-0136-4 Scientists have recently engineered a modular system based on the Rubik’s cube to design and reconfigure microfluidic systems. Research teams had previously pursued the arrangement of microfluidic blocks in diverse conformations to suit varied experiments. In this work,…
“#Levitating droplets allow scientists to perform ‘touchless’ chemical reactions” Levitating droplets of acidic and basic solutions (left) merge into a larger droplet (right), in which carbon dioxide bubbles form as a product of the reaction. Credit: Analytical Chemistry 2020, DOI: 10.1021/acs.analchem.0c00929 Levitation has long been a staple of magic tricks and movies. But in the…