Materials belonging to the family of dilute magnetic oxides (DMOs)—an oxide-based variant of the dilute magnetic semiconductors—are good candidates for spintronics applications. This is the object of ...
May 17, 2013
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Most cells exist in a hydrated state and often live suspended in solution. In order to be imaged, cells must generally be frozen or dried, and then stained with substances such as heavy metals. Unfortunately, ...
May 17, 2013
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The images were obtained using cryo scanning electron microscopy, where the sample is plunged into liquid nitrogen to freeze it and imaged using the electron microscope.
May 14, 2013
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How active a living cell is can be seen by its oxygen consumption. The method for determining this consumption has now been significantly improved by chemists in Bochum. The problem up to now was that the ...
May 13, 2013
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(Phys.org) —Researchers at Pacific Northwest National Laboratory have uncovered the characteristics of a low-resistance electrical contact to strontium titanate, SrTiO3, an important prototypical oxide semi ...
May 13, 2013
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(Phys.org) —In order to understand how cells work, scientists first need to establish where every single protein in the cell resides. In the largest study of its kind to date, the two most widely used microscopy-based ...
May 09, 2013
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The trend towards automated high content assays, particularly for systems biology and drug discovery, has stimulated the development of automated fluorescence microscopy systems to image sample arrays. Today's ...
May 07, 2013
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University of Utah metallurgists used an old microwave oven to produce a nanocrystal semiconductor rapidly using cheap, abundant and less toxic metals than other semiconductors. They hope it will be used ...
May 06, 2013
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To obtain very-high-resolution 3D images of the cerebral vascular system, a dye is used that fluoresces in the near infrared and can pass through the skin. The Lem-PHEA chromophore, a new product outclassing ...
May 02, 2013
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(Phys.org) —Researchers have found a way to see synthetic nanostructures and molecules using a new type of super-resolution optical microscopy that does not require fluorescent dyes, representing a practical ...
Apr 29, 2013
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Scientists at TU Delft have made an important advancement in a new microscopic technique that is widely used in medical research. They demonstrate what the resolution of this localisation microscopy is and ...
Apr 29, 2013
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(Phys.org) —Every year millions of birds make heroic migratory journeys across oceans and continents guided by the Earth's magnetic field. How they detect those magnetic fields has puzzled scientists for ...
Apr 26, 2013
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(Phys.org) —Nano-sized crystals of magnetic material can be found in a wide variety of organisms. Among the most studied are magnetotactic bacteria, which can orient and navigate using biosynthesized magnetosomes. ...
Apr 25, 2013
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(Phys.org) —Recent progress in the engineering of plasmonic structures has enabled new kinds of nanometer-scale optoelectronic devices as well as high-resolution optical sensing. But until now, there has ...
Apr 22, 2013
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The cellular interior is criss-crossed by protein-based cables known as microtubules, each formed from 13 'protofilaments' composed of the protein tubulin. Microtubules are also associated with a host of ...
Apr 22, 2013
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