(Edmonton) Almost 100 years after the initial discovery, a team of scientists at the University of Alberta and the National Institute for Nanotechnology in Edmonton have harnessed the Barkhausen Effect as a new kind of high-resolution microscopy for the insides of magnetic materials.
To live is to move. You strike to swat that irritable mosquito, which skilfully evades the hand of death. How did that happen? Who moved your hand, and what saved the mosquito? Enter the Molecular Motors, nanoscale protein-machines in the muscles of your hand and wings of the mosquito. You need these motors to swat mosquitoes, blink your eyes, walk, eat, drink... just name it. Millions of motors tug as a team within your muscles, and you swat the mosquito. This is teamwork at its exquisite best.
A team of UCLA scientists has been awarded a prestigious $1 million grant from the W.M. Keck Foundation for research aimed at reshaping and improving how images and large data sets are collected and analyzed in science, engineering, medicine and other fields.
Professor Federico Rosei, Director of the INRS Energy Materials Telecommunications Research Centre, will soon have access to a Dynamic Transmission Electron Microscope (DTEM). Unique in the world for its configuration, this equipment will fill a gap in dynamic materials imaging by simultaneously providing very high spatial and temporal resolution, a first that could revolutionize materials research.
IBM Researchers Gerhart Meyer, Leo Gross and Jascha Repp (now at Regensburg University) have won the prestigious Feynman prize given by the Foresight Group, an organization that seeks to advance the study of nanotechnology. The award was bestowed upon the group of researchers for their ground breaking work in producing detailed molecular images and deconstructing chemical bonds on individual atoms.
An international team of scientists has taken the next step in creating nanoscale machines by designing a multi-component molecular motor that can be moved clockwise and counterclockwise. Although researchers can rotate or switch individual molecules on and off, the new study is the first to create a stand-alone molecular motor that has multiple parts, said Saw-Wai Hla, an Ohio University professor of physics and astronomy who led the study with Christian Joachim of A*Star in Singapore and CEMES/CNRS in France and Gwenael Rapenne of CEMES/CNRS.
The rise of antibiotic-resistant bacteria has initiated a quest for alternatives to conventional antibiotics. One potential alternative is PlyC, a potent enzyme that kills the bacteria that causes strep throat and streptococcal toxic shock syndrome. PlyC operates by locking onto the surface of a bacteria cell and chewing a hole in the cell wall large enough for the bacteria’s inner membrane to protrude from the cell, ultimately causing the cell to burst and die.
Scientists are reporting development of chemical modules that can reproduce, on an “unprecedented” molecular level, changes and interactions that occur in natural populations of plants and animals, including those of hunting and being hunted for food, conducting mutually beneficial relationships and competing for resources.
If you want to understand a novel, it helps to start from the beginning rather than trying to pick up the plot from somewhere in the middle. The same goes for analyzing a strand of DNA. The best way to make sense of it is to look at it head to tail.
How do viruses attach to cells? How do proteins interact and mediate infection? How do molecular machines organize themselves in healthy cells? How do they differ in diseased cells? These are the types of questions National Institutes of Health researchers ask in the recently established Living Lab for Structural Biology, questions they strive to answer through the most sophisticated of imaging techniques.
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