New research published today in the journal Physical Review Letters has described a new physical mechanism that separates particles according to their size during the drying of wet coatings. The discovery could help improve the performance of a wide variety of everyday goods, from paint to sunscreen.
From the tension of contracting muscle fibers to hydrodynamic stresses within flowing blood, molecules within our bodies are subject to a wide variety of mechanical forces that directly influence their form and function. By analyzing the responses of single molecules under conditions where they experience such forces we can develop a better understanding of many biological processes, and potentially, develop more accurately acting drugs. But up until now experimental analysis of single molecule interactions under force have been expensive, tedious and difficult to perform because it requires use of sophisticated equipment, such as an atomic force microscope or optical tweezers, which only permit analysis of one molecule at a time.
In an article published in Nature today, researchers at Lund University in Sweden show how different arrangements of atoms can be combined into nanowires as they grow. Researchers learning to control the properties of materials this way can lead the way to more efficient electronic devices.
A research team from MIT and Brigham and Women's Hospital (BWH) have developed a new hybrid technique, by integrating a basic methodology with a new microscopy technique. This innovative method could be used to design cost-effective mini-microscopes.
U.S. government nanotechnology researchers have developed a new approach to understand the nanoworld operations, which are medically and technologically important processes that occur between solids and liquids, such as along cell membranes or in batteries.
The dynamics of the solar system and the attraction between celestial bodies, such as the moon and the Earth, are all governed by gravitational forces. Similar to these gravitational forces, attractive forces exist between objects at the nanoscale. These are known as van der Waals forces, which are ever-present in nature and are believed to play a major role in establishing the function, stability, and structure of various systems across the fields of physics, chemistry, biology, and materials science.
High-resolution cryo electron microscopy, or cryo-EM, dubbed the “research method of the year” by Nature, is coming to UMass Medical School. The Massachusetts Facility for High-Resolution Cryo Electron Microscopy will open by year’s end on the medical school’s Worcester campus.
Researchers at ETH have shown for the first time what happens to atomic vibrations when materials are nanosized and how this knowledge can be used to systematically engineer nanomaterials for different applications.
6-year-old Spencer Reisner aspires to be an astronaut and to go to Mars, he also wants to discover new sources of fuels and expand his knowledge on nanotechnology. He was recently able to achieve one of his objectives in an L.A mall.
Physicists are interested in studies relating to molecules confined to micro- or nanopores. This is due to the fact that molecules can be stabilized or manipulated in unstable states, or can acquire new materials with unique properties.
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