When a large volume of medication is the prescription, steady and controlled release of the drug sometimes is preferred by physicians over a "burst-release" treatment in which the substance is administered all at once. In ...
Bio & Medicine
Sep 11, 2012
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(Phys.org)—There are many ways to create three dimensional objects on a micrometer scale. But how can the chemical properties of a material be tuned at micrometer precision? Scientists at the Vienna University of Technology ...
Materials Science
Aug 27, 2012
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Structure and function are intimately linked, but do not necessarily predict the other. For example, x-ray crystallography provides 3D atomic structural information about biological macromolecules but does not define important ...
Biochemistry
Jun 29, 2012
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(Phys.org) -- Molecules containing large chains of carbon and hydrogen--the building blocks of all life on Earth--have been the targets of missions to Mars from Viking to the present day. While these molecules have previously ...
Space Exploration
May 24, 2012
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(Phys.org) -- The development of a new combination of polymers associating sugars with oil-based macromolecules makes it possible to design ultra-thin films capable of self-organization with a 5-nanometer resolution. This ...
Nanomaterials
May 14, 2012
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Theoretical physicist Ali Naji from the IPM in Tehran and the University of Cambridge, UK, and his colleagues have shown how small random patches of disordered, frozen electric charges can make a difference when they are ...
General Physics
Apr 30, 2012
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(PhysOrg.com) -- US scientists have synthesized a polymethine dye that can be used for fluorescence anisotropy imaging in the near-infrared (NIR) spectral range, making new in vivo applications of this technique possible. ...
Analytical Chemistry
Feb 17, 2012
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(PhysOrg.com) -- Scientists under the direction of ETH Zurich have created a minor sensation in synthetic chemistry. They succeeded for the first time in producing regularly ordered planar polymers that form a kind of "molecular ...
Polymers
Feb 13, 2012
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The National Institute for Materials Science in Japan succeeded in fabricating mesoporous Prussian blue, in which an extremely large number of nanosized pores (mesoporous) are formed in the crystal structure of the material.
Materials Science
Jan 5, 2012
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Researchers of the University of Zurich have discovered a new substance for labeling and visualization of DNA synthesis in whole animals. Applications for this technique include identifying the sites of virus infections and ...
Biochemistry
Dec 13, 2011
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