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Photo 51 is an X-ray based fiber diffraction image of a paracrystalline gel composed of DNA fiber [1] taken by Raymond Gosling, [2] [3] a postgraduate student working under the supervision of Maurice Wilkins and Rosalind Franklin at King's College London, while working in Sir John Randall's group.
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Other forms of elastic X-ray scattering besides single-crystal diffraction include powder diffraction, small-angle X-ray scattering and several types of X-ray fiber diffraction, which was used by Rosalind Franklin in determining the double-helix structure of DNA. In general, single-crystal X-ray diffraction offers more structural information ...
The double-helix model of DNA structure was first published in the journal Nature by James Watson and Francis Crick in 1953, [6] (X,Y,Z coordinates in 1954 [7]) based on the work of Rosalind Franklin and her student Raymond Gosling, who took the crucial X-ray diffraction image of DNA labeled as "Photo 51", [8] [9] and Maurice Wilkins, Alexander Stokes, and Herbert Wilson, [10] and base-pairing ...
This is an accepted version of this page This is the latest accepted revision, reviewed on 12 February 2025. British X-ray crystallographer (1920–1958) This article is about the chemist. For the Mars rover named after her, see Rosalind Franklin (rover). Rosalind Franklin Franklin with a microscope in 1955 Born Rosalind Elsie Franklin (1920-07-25) 25 July 1920 Notting Hill, London, England ...
Rosalind Franklin joined King's College London in January 1951 to work on the crystallography of DNA. By the end of that year, she established two important facts: one is that phosphate groups, which are the molecular backbone for the nucleotide chains, lie on the outside (it was a general consensus at the time that they were at the inside); and the other is that DNA exists in two forms, a ...
After the initial work producing the first x-ray diffraction of DNA, Randall reassigned Gosling to work with Rosalind Franklin, who had been just hired to join King's College in 1951. He did this without consulting with Wilkins, a factor which may have contributed to the animosity between the two.
The university is named for famous DNA crystallographer Rosalind Franklin. Photo 51, an X-ray diffraction pattern of the B form of DNA, captured by Franklin in 1952, was pivotal in 20th-century history of biology. The image is depicted in the university's seal and logo.