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Scientists Achieve Organized 3D Nanomaterials With Help of DNA

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2008-01-31 08:00:02 by Michael in Medgadget
...Synchrotron Light Source and dynamic light scattering and different types of optical spectroscopies and electron microscopy at the CFN, were combined to reveal the detail of the ordered structures and the underlying processes for their formation. These results indicate that the scientists have indeed found that sweet spot to create 3-D...
 
Tags: dna, dna designs, scientists, dna molecules, nanoparticles, gold nanoparticles, dna flexibility, thermal expansion, significant thermal expansion
 
 
 
 
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Scientists Create Biomolecular Movies

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2008-04-16 08:00:00 by Michael in Medgadget
...synchrotron covered by us many times before , were able to reconstruct real motions of biological molecules in solutions. Pictured above is animation of the molecular structure of porphyrin changing along "with a calculated X-ray scattering pattern that corresponds to the structure of a light-harvesting porphyrin array." Biological and...
 
Tags: movies, motions, molecular motions, molecular, molecular motion, molecular movies, complex, complex molecules, molecules
 
 
 
 
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Using Lasers for Aligning Bio Molecules

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2008-05-15 23:02:12 by Michael in Medgadget
...synchrotron X-ray diffraction. Crystallization allows scientists to create a periodic structure that will strongly diffract in specific directions when bombarded with X-rays. From the resulting diffraction pattern, scientists can construct a real-space image of the crystal. However, without crystallization, when X-rays collide with multiple,...
 
Tags: molecules, x-ray diffraction, x-ray, align molecules, argonne scientists, scientists, require, synchrotron x-ray diffraction, argonne
 
 
 
 
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How Bacteria Grow Their Surface Pili

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2008-05-16 19:37:07 by Michael in Medgadget
...Synchrotron Radiation Facility in Grenoble, France, under the guidance of Gabriel Waksman, University College London, and Scott Hultgren, Washington University, St. Louis. In this technique, scientists analyze how a beam of x-rays bounces off or is scattered by a molecule to determine the relative positions of its individual atoms The images...
 
Tags: protein assemblies, protein, functional usher protein, pilus assembly process, process, dimer, usher dimer, usher, usher protein
 
 
 
 
 
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