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  • 1980-1984  (5)
  • Analytical Chemistry and Spectroscopy  (2)
  • Chiasma distribution  (2)
  • Cell & Developmental Biology
  • 1
    Electronic Resource
    Electronic Resource
    Cytogenetics of Lolium perenne (1983)
    Springer
    Theoretical and applied genetics 65 (1983), S. 149-156 
    Details
    ISSN: 1432-2242
    Keywords: Lolium perenne ; Meiosis ; Chiasma distribution ; U-type exchange
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary In two contrasting types of S5 inbred Lolium perenne a correlation has been found between the distribution pattern of chiasmata within bivalents and that of meiotic U-type exchange. The relationship between the two processes is discussed, in terms of inbreeding effects upon chiasma redistribution, and mention is also made of some other types of chromosome breakages which arise following enforced self-pollination.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00264883
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Cytogenetics of Lolium perenne (1983)
    Springer
    Theoretical and applied genetics 64 (1983), S. 137-145 
    Details
    ISSN: 1432-2242
    Keywords: Lolium perenne ; Inbred lines ; Meiosis ; Chiasma distribution
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary An analysis of the patterns of chiasma distribution within bivalents, in a number of inbred lines of Lolium perenne, reveals a striking potential for variation in this character, as well as a polygenic genetic basis for its control. In parent plants the chiasmata have a regular pattern of localisation which restricts their formation to the ends of the chromosome arms: this strict localisation is progressively lost with inbreeding and novel patterns of distribution are found where chiasmata occur in more interstitial and proximal regions. The variation is continuous and originates from genotypic differences between the different parent plants, rather than from segregation among families deriving from individual parents.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00272721
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Separation of some nitronaphthalenes by HPLC (1983)
    Weinheim : Wiley-Blackwell
    Journal of High Resolution Chromatography 6 (1983), S. 625-625 
    Details
    ISSN: 0935-6304
    Keywords: Liquid chromatography, HPLC ; Nitronaphthalenes ; Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Additional Material: 1 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/jhrc.1240061109
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    The effects of alterations in the external sodium concentration on human leucocyte sodium and potassium transport in vitro (1981)
    New York, NY [u.a.] : Wiley-Blackwell
    Journal of Cellular Physiology 109 (1981), S. 323-332 
    Details
    ISSN: 0021-9541
    Keywords: Life and Medical Sciences ; Cell & Developmental Biology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Medicine
    Notes: Human leucocytes incubated in tissue culture fluid of low-sodium concentration (2 mM; iso-osmolarity maintained with choline chloride) reached a new equlibrium within 1 hour and lost approximately 25% of intracellular potassium and 70% of intracellular sodium. The rate constant for ouabainsensitive sodium efflux fell by more than 50% and the ouabain-insensitive rate constant increased nearly threefold in the low-sodium medium. Total sodium efflux fell in proportion to internal sodium whereas ouabain-insensitive sodium efflux remained unchanged. A reduction in external sodium from 140 to 2 mM was associated with a 75% fall in sodium influx. In the low-sodium medium ouabainsensitive potassium influx exceeded ouabain-sensitive sodium efflux and no ouabain-sensitive potassium efflux could be demonstrated. Ouabain-insensitive potassium influx and that portion of potassium efflux which is dependent on external potassium fell in parallel in low-sodium cells, suggesting reduced activity of a ouabain-insensitive K:K exchange system.
    Additional Material: 6 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/jcp.1041090216
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    Paper (German National Licenses)
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  • 5
    Electronic Resource
    Electronic Resource
    13C NMR spectra of 2,3-dihydro-1H-pyrrolo[1,2-c]imidazol-1,3-dione and its thione analoguesSee Ref. 1. (1980)
    Chichester : Wiley-Blackwell
    Organic Magnetic Resonance 13 (1980), S. 89-91 
    Details
    ISSN: 0030-4921
    Keywords: Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Analysis of the 13C NMR spectra of a series of 2,3-dihydro-1H-pyrrolo[1,2-c]imidazole derivatives has provided chemical shift data for (˜184 ppm), (˜173.5 ppm), (˜158 ppm) and (˜148 ppm) groups. A full analysis of the 13C chemical shifts of the C atoms of the pyrrole ring and of an N-phenyl substituent is described.
    Additional Material: 2 Tab.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/mrc.1270130203
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    Paper (German National Licenses)
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