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The half-life of DNA in bone: measuring decay kinetics in 158 dated fossils
Claims of extreme survival of DNA have emphasized the need for reliable models of DNA degradation through time. By analysing mitochondrial DNA (mtDNA) from 158 radiocarbon-dated bones of the extinctExpand
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Fakesong: The Manufacture of British Folksong 1700 to the Present Day
The early mediators, 1700-1725 from Thomas Percy to Joseph Ritson, 1760-1800 from Walter Scott to Robert Chambers, 1800-1830 from Thomas Wright to John Harland, 1830-1870 Francis James Child theExpand
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Crystals in gels and liesegang rings
  • D. Harker
  • Chemistry
  • Cell Biophysics
  • 1 December 1989
Crystals can be grown by allowing reagents that can react together to form slightly soluble substances to diffuse into a gel where they meet one another. Such crystals are often of high quality,Expand
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Regional assignment of human liver-type 6-phosphofructokinase to chromosome 21q22.3 by using somatic cell hybrids and a monoclonal anti-L antibody
SummaryThe three structural loci encoding human phosphofructokinase, a key regulatory enzyme of glycolysis, are located on separate chromosomes. The gene coding for the liver-type subunit PFKL hasExpand
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Shocked molecular hydrogen in the LkHα234 region
We present near-IR images of the shocked gas in in HH 167 (the LkHα234 jet) and HH 103. The H2 1-0 S(1) (2.122µm) and the 1.644µm [FeII] lines were observed. The relative spatial distribution ofExpand
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Tertiary Structure of Ribonuclease
A model is proposed of the polypeptide chain in bovine pancreatic ribonuclease based on a 2 Å electron density map involving 7,294 reflexions and data from seven heavy atom derivatives. The moleculeExpand
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Characterization of the enzymatic defect in late-onset muscle phosphofructokinase deficiency. New subtype of glycogen storage disease type VII.
Human phosphofructokinase (PFK) exists in tetrameric isozymic forms, at least in vitro. Muscle and liver contain homotetramers M4 and L4, respectively, whereas red cells contain five isozymesExpand
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Myelin membrane structure as revealed by x-ray diffraction.
  • D. Harker
  • Chemistry, Medicine
  • Biophysical journal
  • 1 October 1972
The present work consists of a new interpretation of the data presented in the article entitled "X-Ray Diffraction of Myelin Membrane. II" by C. K. Akers and D. F. Parsons (1970, Biophys. J.10:116).Expand
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