نتایج جستجو برای: crystallography
تعداد نتایج: 11029 فیلتر نتایج به سال:
We have selected a set of ten `golden oldies', diverse crystallography articles to illustrate important moments in the development our field science and which form landmark papers crystallography. They are mixture `science pull technology push'. For each choices, we firstly created new title that emphasizes how paper's importance worked out from today's perspective. Then describe core details i...
Preamble It was a pleasure to be invited to act as editor for this themed issue in which we aim to assemble a series of invited and submitted papers which provide a look at some of the current research efforts defining the subject of “Chemical Crystallography”. Of course, the timing of this is to make a positive contribution to the celebration of this special year, 2014 the UNESCO Year of Cryst...
The Protein Crystallography Station at Los Alamos Neutron Science Center is a high-performance beamline that forms the core of a capability for neutron macromolecular structure and function determination. This capability also includes the Macromolecular Neutron Crystallography (MNC) consortium between Los Alamos (LANL) and Lawrence Berkeley National Laboratories for developing computational too...
Chemical crystallography at synchrotrons was pioneered at the Daresbury SRS station 9.8. The chemical crystallography beamlines at the Advanced Light Source seek to follow that example, with orders of magnitude more flux than a lab source, and various in situ experiments. This article attempts to answer why a chemist would require synchrotron X-rays, to describe the techniques available at the ...
Book review of the new Teaching Edition International Tables for Crystallography : Crystallographic symmetry
The Special Issue contributions cover the main themes related to applications of multivariate analysis crystallography [...]
Thermolysis of a 1 : mixture tris(di-tert-butylmethylsilyl)germane 9 and bis(di-tert-butylmethylsilyl)germane 17 at 100 °C produces unexpectedly octagermacubane 18, having two 3-coordinate Ge0 atoms (40 % yield). 18 was characterized by X-ray crystallography it is singlet biradical (according to DFT quantum mechanical calculations the absence an EPR signal). Reactions with CH2Cl2 H2O yield nove...
Mathematical crystallography is the branch of crystallography dealing specifically with the fundamental properties of symmetry and periodicity of crystals, topological properties of crystal structures, twins, modular and modulated structures, polytypes and OD structures, as well as the symmetry aspects of phase transitions and physical properties of crystals. Mathematical crystallography has ha...
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...
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