• problem. In contrast to multi-wavelength anomalous diffraction (MAD), SAD uses a single dataset at a single appropriate wavelength. Compared to MAD, SAD...
    6 KB (783 words) - 02:47, 18 May 2024
  • Multi-wavelength anomalous diffraction (sometimes Multi-wavelength anomalous dispersion; abbreviated MAD) is a technique used in X-ray crystallography...
    9 KB (869 words) - 02:47, 18 May 2024
  • Thumbnail for X-ray diffraction
    sources. Similar diffraction patterns can be produced by related scattering techniques such as electron diffraction or neutron diffraction. If single crystals...
    32 KB (4,200 words) - 19:29, 18 May 2024
  • wavelength should be close to the heavy atom's absorption edge. Multi-wavelength anomalous diffraction (MAD) Single-wavelength anomalous diffraction (SAD)...
    4 KB (571 words) - 12:19, 5 December 2023
  • residues. PtCl42− (ion) bind to His Multi-wavelength anomalous diffraction (MAD) Single-wavelength anomalous diffraction (SAD) Patterson map "Dictionary of...
    6 KB (698 words) - 02:55, 18 May 2024
  • Thumbnail for Powder diffraction
    Powder diffraction is a scientific technique using X-ray, neutron, or electron diffraction on powder or microcrystalline samples for structural characterization...
    32 KB (4,265 words) - 18:35, 19 February 2024
  • proteins with analogs or by soaking) A powerful solution is the multi-wavelength anomalous dispersion (MAD) method. In this technique, atoms' inner electrons[clarification...
    10 KB (1,126 words) - 14:30, 22 March 2024
  • Thumbnail for X-ray crystallography
    beam of incident X-rays to diffract in specific directions. By measuring the angles and intensities of the X-ray diffraction, a crystallographer can produce...
    103 KB (11,085 words) - 02:53, 24 May 2024
  • Thumbnail for Streptavidin
    reported by two groups in 1989. The structure was solved using multi wavelength anomalous diffraction by Hendrickson et al. at Columbia University and using multiple...
    20 KB (2,487 words) - 20:35, 13 August 2023
  • Thumbnail for Selenomethionine
    elucidation of proteins by X-ray crystallography using single- or multi-wavelength anomalous diffraction (SAD or MAD). The incorporation of heavy atoms such as selenium...
    8 KB (646 words) - 10:44, 26 September 2023
  • lens, is a lens which uses metamaterials to go beyond the diffraction limit. The diffraction limit is a feature of conventional lenses and microscopes...
    97 KB (11,286 words) - 07:22, 19 May 2024
  • David H. Templeton. This led to the development of the multi-wavelength anomalous diffraction phasing, now a standard method for protein structure analysis...
    8 KB (820 words) - 11:46, 12 May 2024
  • Multi-modal analysis is very common for amorphous materials. Unlike crystalline materials which exhibit strong Bragg diffraction, the diffraction patterns...
    27 KB (2,938 words) - 19:01, 1 May 2024
  • Thumbnail for Metamaterial
    to match the wavelength of light, versus other metamaterials that expose sub-wavelength structure. Furthermore, PCs function by diffracting light. In contrast...
    92 KB (9,943 words) - 08:39, 16 May 2024
  • Diffraction depends on the relationship between the wavelength and the size of the obstacle. In other words, the size of the obstacle in wavelengths....
    44 KB (6,550 words) - 01:09, 24 April 2023
  • Thumbnail for Dispersion (optics)
    increases with increasing wavelength (which is typically the case in the ultraviolet), the medium is said to have anomalous dispersion. At the interface...
    60 KB (8,469 words) - 16:40, 23 April 2024
  • Thumbnail for Refractive index
    decrease with increasing wavelength, and thus increase with frequency. This is called "normal dispersion", in contrast to "anomalous dispersion", where the...
    76 KB (8,490 words) - 15:40, 22 April 2024
  • arsenide and aluminium using X-ray diffraction. 1980 - Jerome Karle and Wayne Hendrickson developed multi-wavelength anomalous dispersion (MAD) a technique...
    136 KB (14,146 words) - 04:22, 27 May 2024
  • Thumbnail for Graphene
    along its plane. The material strongly absorbs light of all visible wavelengths, which accounts for the black color of graphite, yet a single graphene...
    262 KB (27,661 words) - 00:10, 17 May 2024
  • area by the diffraction-limited resolution of the lens which is given by the Airy disk whose diameter is 2.4λu/D, where λ is the wavelength of the light...
    38 KB (4,703 words) - 08:20, 19 May 2024
  • Thumbnail for Radar
    not totally eliminate reflection because of diffraction, especially at longer wavelengths. Half wavelength long wires or strips of conducting material...
    98 KB (11,761 words) - 19:09, 27 May 2024
  • Thumbnail for Color
    the array of pits in a CD, they behave as a diffraction grating: the grating reflects different wavelengths in different directions due to interference...
    50 KB (5,726 words) - 02:53, 11 April 2024
  • first three tests, proposed by Albert Einstein in 1915, concerned the "anomalous" precession of the perihelion of Mercury, the bending of light in gravitational...
    103 KB (12,446 words) - 03:58, 23 May 2024
  • University, Sweden He is best known for innovating the use of multi-wavelength anomalous dispersion as an analytical tool for protein crystallography....
    5 KB (407 words) - 05:23, 17 March 2024
  • Thumbnail for Extreme Ultraviolet Explorer
    and 65.4% in the medium and long wavelength channels, respectively. The EUVE Spectrometer incorporated plane diffraction gratings with continuously varying...
    16 KB (1,995 words) - 15:46, 8 January 2024
  • reflector needed to be an exact multiple of the wavelength. This is more difficult than it sounds as the wavelength varies with the speed of sound, which varies...
    44 KB (4,983 words) - 10:15, 7 November 2023
  • Thumbnail for Weather radar
    just west of Oklahoma City. For the first time, a Dopplerized 10 cm wavelength radar from NSSL documented the entire life cycle of the tornado. The researchers...
    106 KB (12,802 words) - 02:08, 29 April 2024
  • Thumbnail for Compact disc
    1/2 wavelength out of phase with the light reflected from the land around it. This is because the height of a bump is around 1/4 of the wavelength of the...
    44 KB (8,696 words) - 04:10, 23 May 2024
  • Valletta, A.; Bianconi, A. (2012). "Anomalous isotope effect near a 2.5 Lifshitz transition in a multi-band multi-condensate superconductor made of a...
    21 KB (2,313 words) - 11:40, 12 January 2024
  • MSD=6D_{a}t^{\alpha }\,} where D a {\displaystyle D_{a}} is an anomalous diffusion coefficient. "Anomalous diffusion" commonly refers only to this very generic...
    62 KB (7,886 words) - 21:45, 19 April 2024