X-ray crystallography is the experimental science of determining the atomic and molecular structure of a crystal, in which the crystalline structure causes...
112 KB (11,615 words) - 23:13, 15 October 2024
scale it can involve the use of X-ray diffraction to produce experimental data that the tools of X-ray crystallography can convert into detailed positions...
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directions of the X-rays far from the sample is called a diffraction pattern. It is different from X-ray crystallography which exploits X-ray diffraction to...
33 KB (4,265 words) - 17:54, 15 September 2024
so that the resulting pattern contains sharp spots analyzed by X-ray crystallography (as in the Figure). However, both scattering and diffraction are...
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An X-ray tube is a vacuum tube that converts electrical input power into X-rays. The availability of this controllable source of X-rays created the field...
22 KB (2,773 words) - 01:53, 4 November 2024
An X-ray machine is a device that uses X-rays for a variety of applications including medicine, X-ray fluorescence, electronic assembly inspection, and...
14 KB (1,765 words) - 07:59, 3 October 2024
Aperiodic crystal (section In X-ray crystallography)
can be traced back to the early 20th century, when the science of X-ray crystallography was in its infancy. At that time, it was generally accepted that...
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X-ray diffraction, X-ray crystallography, X-ray fluorescence, small-angle X-ray scattering, X-ray microscopy, X-ray phase-contrast imaging, and X-ray...
21 KB (2,667 words) - 16:45, 1 November 2024
In X-ray crystallography, wide-angle X-ray scattering (WAXS) or wide-angle X-ray diffraction (WAXD) is the analysis of Bragg peaks scattered to wide angles...
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Virus crystallisation (section X-ray crystallography)
served as the basis for the expansion of virology into X-ray crystallography. X-ray crystallography was developed during the mid 20th century by scientists'...
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Dorset and Herbert A. Hauptman that conventional direct methods for x-ray crystallography could be used. Another was the demonstration in 1986 that a Patterson...
46 KB (4,952 words) - 06:36, 16 September 2024
to X-rays for imaging applications. Other notable uses of X-rays include: X-ray crystallography in which the pattern produced by the diffraction of X-rays...
105 KB (12,625 words) - 23:06, 7 November 2024
Elements of X-Ray Diffraction, 3rd Ed., Prentice-Hall Inc., 2001, p 167-171, ISBN 0-201-61091-4. CFL imaging diagnostic X-ray crystallography X-rays Bragg diffraction...
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do not contribute to anomalous scattering at normal X-ray wavelengths used for X-ray crystallography. Thus, in order to observe anomalous scattering, a...
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has attracted wide attention to the approach as an alternative to X-ray crystallography or NMR spectroscopy for macromolecular structure determination without...
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Protein folding (section X-ray crystallography)
conformational changes using standard non-crystallographic techniques. X-ray crystallography is one of the more efficient and important methods for attempting...
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worldwide through the use of experimental methodologies such as X-ray crystallography, NMR spectroscopy, and, increasingly, cryo-electron microscopy....
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Usually, the structure originates from methods such as X-ray crystallography, electron crystallography, or cryo-electron microscopy. The resolution is measured...
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Crystalline sponges (section X-ray crystallography of liquids encapsulated within the sponge framework)
the substrate is needed in the X-ray diffraction. Besides, the X-ray crystallography of liquid samples can also be conducted. The first crystalline sponges...
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generalizable, the limit is defined in the context of biomolecular X-ray crystallography, where a typical experiment consists of exposing a single frozen...
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Lawrence Bragg (category X-ray crystallography)
analysis of crystal structure by means of X-rays"; an important step in the development of X-ray crystallography. Bragg was knighted in 1941. As of 2024...
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Hydration number (section X-ray crystallography)
anion enters the solvation shell of the cation must be assessed. X-ray crystallography provides definitive information on hydration numbers, especially...
9 KB (1,071 words) - 01:32, 8 July 2023
Dorothy Hodgkin (category X-ray crystallography)
Nobel Prize-winning English chemist who advanced the technique of X-ray crystallography to determine the structure of biomolecules, which became essential...
62 KB (6,190 words) - 06:44, 19 November 2024
of the wavelengths of the two most commonly used X-ray lines in X-ray crystallography: the copper x unit (symbol xu(Cu Kα1)) is defined so that the wavelength...
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X-ray excited-state crystallography. 1995 - Douglas L. Dorset published Structural Electron Crystallography, a major text on electron crystallography...
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Powder diffraction (redirect from X-Ray Powder Diffraction)
the beam axis and the ring is called the scattering angle and in X-ray crystallography always denoted as 2θ (in scattering of visible light the convention...
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DNA base flipping (section X-ray crystallography)
another base during DNA repair. It was first observed in 1994 using X-ray crystallography in a methyltransferase enzyme catalyzing methylation of a cytosine...
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protein represents its free energy minimum. With the development of X-ray crystallography, it became possible to determine protein structures as well as their...
103 KB (11,472 words) - 16:37, 31 October 2024
first protein to have its three-dimensional structure revealed by X-ray crystallography. This achievement was reported in 1958 by John Kendrew and associates...
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by X-ray crystallography. The unit cell volume (Vcell) may be calculated from the unit cell parameters, whose determination is the first step in an X-ray...
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