منابع مشابه
Electron crystallography – an introduction
Everything in Nature, macroscopic or microscopic, inorganic, organic or biological, has its specific properties. Most properties of matter depend on the structures, and many techniques have been developed over the centuries for structure analysis. The greatest of them all, structure analysis of single crystals by X-ray diffraction, X-ray crystallography, was founded in 1912 and is still today t...
متن کاملElectron crystallography of membrane proteins.
Electron crystallography studies the structure of two-dimensional crystals of membrane proteins or other crystalline arrays. This method has been used to determine the atomic structures of six membrane proteins and tubulin, as well as several other structures at a slightly lower resolution, where secondary structure motifs could be identified. To preserve the high-resolution structure of 2D cry...
متن کاملSurface crystallography via electron microscopy.
The study of atomic structure of surfaces is fundamental to the understanding of electronic, chemical and mechanical properties of surfaces and numerous techniques have been developed to this end. Transmission Electron Microscopy techniques, namely transmission electron imaging (TEM) and diffraction (TED), due to their ability to provide structural information at very high resolutions, have eme...
متن کاملAdvanced electron crystallography through model-based imaging
The increasing need for precise determination of the atomic arrangement of non-periodic structures in materials design and the control of nanostructures explains the growing interest in quantitative transmission electron microscopy. The aim is to extract precise and accurate numbers for unknown structure parameters including atomic positions, chemical concentrations and atomic numbers. For this...
متن کامل4D ultrafast electron diffraction, crystallography, and microscopy.
In this review, we highlight the progress made in the development of 4D ultrafast electron diffraction (UED), crystallography (UEC), and microscopy (UEM) with a focus on concepts, methodologies, and prototypical applications. The joint atomic-scale resolutions in space and time, and sensitivity reached, make it possible to determine complex transient structures and assemblies in different phase...
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ژورنال
عنوان ژورنال: Journal of Computer-Aided Molecular Design
سال: 2006
ISSN: 0920-654X,1573-4951
DOI: 10.1007/s10822-006-9075-x