• Thumbnail for X-ray crystallography
    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
  • Thumbnail for Crystallography
    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...
    21 KB (2,204 words) - 13:41, 6 September 2024
  • Thumbnail for X-ray diffraction
    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
  • Thumbnail for X-ray scattering techniques
    so that the resulting pattern contains sharp spots analyzed by X-ray crystallography (as in the Figure). However, both scattering and diffraction are...
    5 KB (427 words) - 18:18, 7 September 2024
  • Thumbnail for X-ray tube
    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
  • Thumbnail for X-ray machine
    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
  • Thumbnail for Aperiodic crystal
    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...
    7 KB (938 words) - 20:44, 30 September 2024
  • 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...
    4 KB (497 words) - 18:28, 13 March 2023
  • Thumbnail for Virus crystallisation
    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'...
    32 KB (3,396 words) - 03:18, 17 August 2024
  • 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
  • Thumbnail for X-ray
    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...
    10 KB (1,440 words) - 21:18, 7 May 2024
  • do not contribute to anomalous scattering at normal X-ray wavelengths used for X-ray crystallography. Thus, in order to observe anomalous scattering, a...
    4 KB (571 words) - 12:19, 5 December 2023
  • Thumbnail for Cryogenic electron microscopy
    has attracted wide attention to the approach as an alternative to X-ray crystallography or NMR spectroscopy for macromolecular structure determination without...
    23 KB (2,518 words) - 06:52, 3 October 2024
  • Thumbnail for Protein folding
    conformational changes using standard non-crystallographic techniques. X-ray crystallography is one of the more efficient and important methods for attempting...
    76 KB (8,728 words) - 11:37, 6 November 2024
  • worldwide through the use of experimental methodologies such as X-ray crystallography, NMR spectroscopy, and, increasingly, cryo-electron microscopy....
    17 KB (1,664 words) - 19:32, 16 August 2024
  • Usually, the structure originates from methods such as X-ray crystallography, electron crystallography, or cryo-electron microscopy. The resolution is measured...
    12 KB (1,121 words) - 10:41, 1 March 2024
  • 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...
    13 KB (1,432 words) - 21:22, 8 September 2024
  • generalizable, the limit is defined in the context of biomolecular X-ray crystallography, where a typical experiment consists of exposing a single frozen...
    3 KB (317 words) - 15:47, 17 March 2022
  • Thumbnail for Lawrence Bragg
    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...
    34 KB (3,719 words) - 19:26, 4 November 2024
  • Thumbnail for Hydration number
    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
  • Thumbnail for Dorothy Hodgkin
    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...
    3 KB (337 words) - 22:53, 22 May 2024
  • X-ray excited-state crystallography. 1995 - Douglas L. Dorset published Structural Electron Crystallography, a major text on electron crystallography...
    140 KB (14,658 words) - 07:24, 19 November 2024
  • Thumbnail for 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...
    32 KB (4,302 words) - 16:43, 1 July 2024
  • Thumbnail for DNA base flipping
    another base during DNA repair. It was first observed in 1994 using X-ray crystallography in a methyltransferase enzyme catalyzing methylation of a cytosine...
    30 KB (3,431 words) - 02:56, 4 January 2024
  • Thumbnail for Protein
    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
  • Thumbnail for Myoglobin
    first protein to have its three-dimensional structure revealed by X-ray crystallography. This achievement was reported in 1958 by John Kendrew and associates...
    25 KB (3,088 words) - 01:19, 17 September 2024
  • 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...
    6 KB (855 words) - 17:00, 9 August 2024