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Researchers from Tokyo Metropolitan University have observed the formation of holes that move by themselves in droplets of ionic liquids (IL) sitting inside water-ethanol mixtures. This curious, complex phenomenon is driven by an interplay between how ionic liquids dissolve, and how the boundary aro more
Spin a merry-go-round fast enough and the riders fly off in all directions. But the spinning particles in a Rice University lab do just the opposite. Experiments in the Rice lab of chemical engineer Sibani Lisa Biswal show micron-sized spheres coming together under the influence of a rapidly spinnin more
While cars powered by hydrogen fuel cells offer clear advantages over the electric vehicles that are growing in popularity (including their longer range, their lower overall environmental impact, and the fact that they can be refueled in minutes, versus hours of charging time), they have yet to take more
The spinning rainbow surface of a soap bubble is more than mesmerizing – it’s a lesson in fluid mechanics. Better understanding of these hypnotic flows could bring improvements in many areas, from longer lasting beer foam to life-saving lung treatments. more
DLS analysis is a widely applied, non-invasive method for measuring the effective size of molecules in solution. This technique yields valuable information for the characterization of molecules and particles. It facilitates formerly laborious and tim more
How surfaces can be analysised and evaluated non-destructively and precisely on their wetting properties more
Ever wondered about the chemistry behind cocktails? If so, then this mini-series of graphics is for you! As part of the Pint of Science festival taking place in May, I’m running an event at La Raza in Cambridge (UK) looking at how chemistry can be used to make ‘molecular cocktails’. I’ve also create more
The third of the ‘Everyday Compounds’ series of infographics looks at sodium lauryl sulfate – a compound the majority of us encounter in our showers every day. What’s this chemical doing in your shampoo and toothpaste, why is it also found in engine degreasers, and why could it also potentially be u more
Here’s the second in the series of graphics I’ve produced for my Pint of Science event at La Raza Cambridge (UK) in a few weeks’ time. Today’s graphic looks at how chemistry can help to make caviar and spheres in cocktails, and the chemical agents used to do it. more
IJMS, Vol. 19, Pages 1934: Macroscopic and Microscopic Properties of Some Surfactants and Biosurfactants International Journal of Molecular Sciences doi: 10.3390/ijms19071934 Authors: Anna Zdziennicka Joanna Krawczyk Katarzyna Szymczyk Bronisław Jańczuk The adsorption of surfact more
Molecules, Vol. 23, Pages 1597: Solid Wettability Modification via Adsorption of Antimicrobial Sucrose Fatty Acid Esters and Some Other Sugar-Based Surfactants Molecules doi: 10.3390/molecules23071597 Authors: Krawczyk Solid–liquid interface properties play a crucial role i more
Water is the foundational element of life. Its high melting and boiling temperatures relative to analogs such as hydrogen sulfide are a precondition to life. The density maximum at 4°C makes ice float, ensuring that lakes and oceans do not freeze on the bottom. The high surface tension of water enab more
Surface tension Surface tension is an effect within the surface layer of a liquid that causes that layer to behave as an elastic sheet. In other words, surface tension is all about stretching an object; elasticity. It allows insect s, such as t ... more
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