نتایج جستجو برای: Nano crystallography
تعداد نتایج: 61504 فیلتر نتایج به سال:
In this article a review on the definition of the X- ray transform and some ofits applications in Nano crystallography is presented. We shall show that the X- raytransform is a special case of the Radon transform on homogeneous spaces when thetopological group E(n)- the Euclidean group - acts on ℝ2 transitively. First someproperties of the Radon transform are investigated then the relationship ...
Zetasizer Nano application note MRK455-02 In the early 1990s, dynamic light scattering (DLS) was introduced as a screening tool for crystallography. Over the past decade DLS has become widely accepted in this role, and dynamic light scattering instruments are now routinely integrated into X-ray crystallography labs. A common misconception however, is that DLS can tell one which samples are like...
Serial femtosecond crystallography (SFX) is a new emerging method, where X-ray diffraction data are collected from a fully hydrated stream of nano- or microcrystals of biomolecules in their mother liquor using high-energy, X-ray free-electron lasers. The success of SFX experiments strongly depends on the ability to grow large amounts of well-ordered nano/microcrystals of homogeneous size distri...
1. Nano-Crystallography Group, Department of Physics, Portland State University, Portland, OR 97207-0751 2. Crystal Solutions, LLC, Portland, OR 97205 3. Department of Computer Science, Portland State University, Portland, OR 97207-0751 4. 3D Systems Corporation, Wilsonville, OR 97070 5. Department of Chemistry, University of Washington, Seattle, WA 98195 6. Chemical and Materials Sciences Divi...
Ostrich eggshells are excellent examples of avian biomineralization. Interest in these is focused on their potential as a food source, example biomaterial for medical and industrial applications, the use fossil remains paleoenvironmental reconstructions. Due to this interest, there some information about aspects eggshell biomineralization, but it scattered different publications limited scope m...
The serendipitous discovery of the spontaneous growth of protein crystals inside cells has opened the field of crystallography to chemically unmodified samples directly available from their natural environment. On the one hand, through in vivo crystallography, protocols for protein crystal preparation can be highly simplified, although the technique suffers from difficulties in sampling, partic...
Norovirus is the leading cause of gastroenteritis worldwide. Despite recent developments in norovirus propagation in cell culture, these viruses are still challenging to grow routinely. Moreover, little is known on how norovirus infects the host cells, except that histo-blood group antigens (HBGAs) are important binding factors for infection and cell entry. Antibodies that bind at the HBGA pock...
We have developed a new class of lanthanide nano-clusters that self-assemble using flexible Schiff base ligands. Cd-Ln and Ni-Ln clusters, [Ln8Cd24(L1)12(OAc)39Cl7(OH)2] (Ln = Nd, Eu), [Eu8Cd24(L1)12(OAc)44], [Ln8Cd24(L2)12(OAc)44] (Ln = Nd, Yb, Sm) and [Nd2Ni4(L3)2(acac)6(NO3)2(OH)2], were constructed using different types of flexible Schiff base ligands. These molecular nano-clusters exhibit ...
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