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  • Articles  (2)
  • 23.20. −g  (1)
  • 3-phosphoglycerate  (1)
  • 1985-1989  (2)
  • 1
    Electronic Resource
    Electronic Resource
    High-spin states in89Nb,88Zr and88Nb with a shell-model description of theN=48 andN=47 nuclei (1985)
    Springer
    The European physical journal 321 (1985), S. 485-498 
    Details
    ISSN: 1434-601X
    Keywords: 21.10.−k ; 21.60. Cs ; 23.20. −g
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The reactions89Y(α,4nγ),89Y(α,p4nγ) and89Y(α,5nγ) were used to populate high-spin states in, respectively,89Nb,88Zr and the previously unstudied nucleus88Nb. These states were deduced via in-beam gamma-ray spectroscopy. The results of a shell-model study ofN=4888Zr,90Mo,87Y,89Nb andN=4787Zr,88Nb nuclei are compared to experiment.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01411984
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Effects of phosphorus nutrition on the response of photosynthesis to CO2 and O2, activation of ribulose bisphosphate carboxylase and amounts of ribulose bisphosphate and 3-phosphoglycerate in spinach leaves (1988)
    Springer
    Photosynthesis research 15 (1988), S. 133-141 
    Details
    ISSN: 1573-5079
    Keywords: phosphorus nutrition ; photosynthesis ; ribulose bisphosphate carboxylase ; ribulose bisphosphate ; 3-phosphoglycerate ; O2 partial pressure
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Phosphorus-deficient spinach plants were grown by transferring them to nutrient solutions without PO4. Photosynthetic rates were measured at a range of intercellular CO2 partial pressures from 50–500 μbar and then the leaves were freeze-clamped in situ to measure ribulose bisphosphate carboxylase (Rubisco) activity and metabolite concentrations. Compared with control leaves, deficient leaves had significantly lower photosynthetic rates, percentage activation of Rubisco, and amounts of ribulose bisphosphate and 3-phosphoglycerate at all CO2 partial pressures. After feeding 10 mM PO4 to the petioles of detached deficient leaves, all these measurements increased within 2 hours. At atmospheric CO2 partial pressure the photosynthetic rate was stimulated in 19 mbar O2 compared with 200 mbar. At higher CO2 partial pressures this stimulation was less but the percentage stimulation in deficient leaves was no different from controls in either CO2 partial pressure. It was concluded that phosphorus deficiency affects both Rubisco activity and the capacity for ribulose bisphosphate regeneration, and possible causes are discussed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00035257
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    Paper (German National Licenses)
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