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  1. The DNA Riddle: King's College, London, 1951-1953 | Rosalind Franklin - Profiles in Science 
    https://profiles.nlm.nih.gov/spotlight/kr/feature/dna
    ... reached a compromise: Franklin would work on the A form, using the Signer DNA, and Wilkins would work on the B form, ... Gosling continued to photograph and analyze samples of DNA in the A form. The A form presented a different picture, far ...
  2. NLM Digital Collections - Lab notes 
    Publication: Produced: [March-October 1952]
    resource.nlm.nih.gov/101584586X125
    ... of her x-ray diffraction studies of the A form of DNA, including exposure times and adjustments to specimens and ... of her x-ray diffraction studies of the A form of DNA, including exposure times and adjustments to specimens and ...
  3. NLM Digital Collections - Letter from Francis Crick to Aaron Klug 
    Publication: Produced: 30 June 1977
    resource.nlm.nih.gov/101584582X231
    ... saying that your argument would imply that the A form of DNA had to be orthorhombic rather than monoclinic. I ...
  4. NLM Digital Collections - Recombinant DNA Research Guidelines. Draft Environmental Impact Statement 
    Publication: United States Department of Health, Education, and Welfare, 9 September 1976
    resource.nlm.nih.gov/101584939X122
    ... in- ability to isolate discrete segments of the DNA in a form that permits detailed molecular analysis. Recombinant DNA methodology remove this barrier. Fur- thermore, ancillary techniques ...
  5. NLM Digital Collections - A Minute Circular DNA from Escherichia coli 15 
    Publication: National Academy of Sciences (U.S.), 1968
    resource.nlm.nih.gov/101584605X151
    ... In cells of strain THU, infected with ¢X174, a form of DNA in addition to RFI of ¢X174 was discovered. ...
  6. The Development of Bacterial Genetics | Joshua Lederberg - Profiles in Science 
    https://profiles.nlm.nih.gov/spotlight/bb/feature/bacgen1
    ... the possibility that conjugation in E. coli was a form of transformation by lose strands of DNA akin to that described by Avery in Pneumococcus , ...
  7. NLM Digital Collections - DNA and the Brains Behind Its Discovery 
    Publication: The Southeastern Medical Congress, November 1996
    resource.nlm.nih.gov/101584575X197
    ... studying the X-ray diffraction pattern of the A form of DNA, confirmed the helical shape of DNA and further ...
  8. NLM Digital Collections - Specific Cleavage of Simian Virus 40 DNA by Restriction Endonuclease of Hemophilus Influenzae 
    Publication: National Academy of Sciences (U.S.), December 1971
    resource.nlm.nih.gov/101584635X3
    ... with 10 ug/ml of heated (10) ribonuclease A. Form I DNA was sedimented in a neutral 5-20% (w/ ...
  9. NLM Digital Collections - Annual report for Turner-Newall Fellowship, 1 January 1953 - 1 January 1954 
    resource.nlm.nih.gov/101584586X116
    ... a two-strand helical molecule of the Structure A form of DNA was presented in a note to Nature, 25th ...
  10. NLM Digital Collections - Report of the Research Briefing Panel on the Biology of Parasitism 
    Publication: National Academy Press (U.S.), 1984
    resource.nlm.nih.gov/101584906X13219
    ... against malaria. Kinetoplast DNA Kinetoplast DNA (kDNA) is a form of mitochondrial DNA found in some proto- zoans such as trypanosomes ...
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