The stubborn polymer assortment of aromatic alcohols known as lignin continues to be a key factor limiting the efficiency of pulp and paper production. Although it gives physical strength to...
Read More >>In one of many assassination attempts on Grigori Rasputin, the early 20th century Russian mystic and political adviser to the House of Romanov, sweet pastries were laced with cyanide, which he nevertheless survived eating.
Read More >>As Canadian universities and hospitals continue to outfit themselves with the technology to work with radioisotopes for research or medical activities, there will be an ongoing demand for the expertise to carry out this work.
Read More >>Queen’s University chemistry professor Cathleen Crudden admits that neither she nor her Department of Chemistry colleague Hugh Horton had any commercial applications in mind when they began their work into the reaction of carbon-based ligands called ca
Read More >>The paradoxical observation “less is more” applies perfectly to carbon, for if you think coal and diamonds are valuable, just wait to get your hands on a little bit of...
Read More >>Using a technique that University of Alberta mechanical engineering professor Dan Sameoto compares to a panini sandwich press, pellets of thermoplastic elastomers are squashed onto a substrate to form an innovative adhesive that mimics the sticky feet
Read More >>At first glance, you might regard a Jamaican cave that has been continuously inhabited by bats for thousands of years as one of the last places to learn how the chemical content of regional air and water have been changing. But for Jules Blais, a biologist with the University of Ottawa, the countless strata of guano deposited there by these animals provide an ideal record of this information. Blais specializes in gauging the influence of environmental contaminants on the metabolism...
Read More >>Run your fingers over a smooth polystyrene surface and you would be convinced that it is hard and solid. James Forrest has news for you — that surface is still...
Read More >>Although quinoa is widely regarded by foodies as an up-and-coming superfood, this nutrition-packed grain is currently grown only in South America’s Andes Mountains. As Canadian tastes and markets for this...
Read More >>How convenient it would be if we could convince a torn piece of material to return to its undamaged state. Université de Sherbrooke chemist Yue Zhao has been able to purchase just such convenience with some vanishingly small amounts of gold. The substance in question is gold nanoparticles or nanorods, which are inserted into a thin...
Read More >>Just as athletes commit to becoming faster and stronger than ever, so too do the authorities testing these competitors for banned substances. For just that reason, the World Anti-Doping Agency has supported the work of chemist Janusz Pawliszyn of the University of Waterloo in Ontario, who has shown how to make the organization’s testing regime more efficient than ever before.
Read More >>Scientists around the world study cell cultures laid out in flat, two-dimensional (2D) arrays — a highly practical but ultimately limited way of understanding how those cells behave. “Everyone — and I mean everyone — can agree that three-dimensional (3D) tissue models are far superior...
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