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  • 21.10.Dr  (4)
  • microangiopathy  (1)
  • 1
    Electronic Resource
    Electronic Resource
    Early arteriolar and capillary changes in streptozotocin-induced diabetic rats and intraperitoneal hyperglycaemic rats (1982)
    Springer
    Diabetologia 22 (1982), S. 344-348 
    Details
    ISSN: 1432-0428
    Keywords: Diabetes ; hyperglycaemia ; microvasculature ; microangiopathy
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Comparison of intestinal arteriolar characteristics in vivo were made in normal rats, normal rats injected intraperitoneally twice daily with either 0.15 mmol/l saline or 16.6 mmol/l glucose in 0.15 mmol/l saline (total value 5% of body weight), and in streptozotocin treated rats (plasma glucose 〉 22.2 mmol/l). Each regimen was continued for 4–5 weeks before the study. Interperitoneal injection of glucose increased the plasma glucose concentration by 0.8–1.6 mmol/l for 2–2.5 h. The microvascular characteristics of normal and saline injected rats were identical. Results obtained in glucose-treated and diabetic animals were very similar and included: 1) resting arteriolar vasodilation, 2) subnormal dilation at removal of all vascular control with adenosine, 3) total arteriolar vessel wall, including smooth muscle, cross-sectional area and wall to lumen ratio one-third to one-half less than normal, and 4) capillary separation distances increased above normal by 40%–50%. The results indicate that the morphological and functional changes in intestinal arterioles and capillaries found in diabetic rats after 4–5 weeks can be reproduced in the intestinal tissues of a normal animal exposed to intermittent increases in intraperitoneal glucose concentration.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00253579
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Solution of the10Li-Puzzle (1993)
    Springer
    The European physical journal 344 (1993), S. 381-393 
    Details
    ISSN: 1434-601X
    Keywords: 21.10.Dr ; 25.70.Cd ; 27.20.+ n
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The mass of10Li has been measured with two different reactions:9Be(13C,12N)10Li,E Lab=336 MeV, and13C(14C,17F)10Li,E Lab=337 MeV. The mass excess of 33.445(50) MeV is deduced from theQ-value measurement.10Li is found to be particle-unstable with respect to one-neutron emission by 0.42(5) MeV. In the analysis of the first reaction a low lying excited state is found at 0.38(8) MeV. This state and the ground state can be most probably identified as the 1+/2+-doublet coupled from the [π 1p3/2 ⊗ν 1p 1/2] configuration, the 1+-state being the ground state. The (13C,12N)-reaction populates the 1+-state strongly due to a spin-isospin-flip character of the dominant part of the transition amplitude. The 2+-member corresponds to the mass given by Wilcox et al. A second excited state is observed at 4.05(10) MeV with a width of 0.7(2) MeV, it can be associated with theν 1d 5/2-strength. The second reaction is fully supporting the interpretation of the ground state doublet. The excited state at 4.05 MeV is not observed in this reaction and indeed it should not, because the reaction does not populate in first order excited neutron configurations. The levels are well described by mean field calculations including pairing correlations. The lowest resonance in the calculations is theν 1/2−-configuration, whereas theν 1/2+-configuration shows at the neutron threshold a strong non-resonant contribution.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01283193
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Mass spectroscopy of13Be (1992)
    Springer
    The European physical journal 343 (1992), S. 489-490 
    Details
    ISSN: 1434-601X
    Keywords: 21.10.Dr ; 25.70.Cd ; 27.20.+n
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The mass of 13 Be has been measured with the reaction 13 C(14 C,14 O)13 Be at E Lab =337 MeV. A Q-value of Q 0=−37.02(5) MeV was obtained and the mass excess is M.E.=35.16(5) MeV. If the observed line corresponds to the ground state,13 Be is particle unstable with respect to the oneneutron emission by 2.01 MeV. The observed line width of 0.3(2) MeV supports an assignment ofJ π=5/2+ or 1/2−, but excludesJ π=1/2+. An excited state is seen at 3.12(7) MeV; there are indications of a second excited state at 6.5(2) MeV.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01289828
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    Spectroscopy of9He with the (13C,13O)-reaction on9Be (1988)
    Springer
    The European physical journal 330 (1988), S. 227-228 
    Details
    ISSN: 1434-601X
    Keywords: 21.10.Dr ; 25.70.Cd ; 27.20.+n
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract First results of the double-charge-exchange reaction9Be(13C,13O)9He, ELab=380 MeV, are presented. The ground state and an excited state at 3.8 MeV are clearly seen. A preliminary value of the9He mass excess is obtained: 41.5±0.6 MeV. Spectra of of the9Be(13C,14O) He-reaction have been measured with high resolution. The ground state transition appears as a pronounced sharp peak, but no other narrow peaks are observed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01293402
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  • 5
    Electronic Resource
    Electronic Resource
    Mass measurement and spectroscopy of57Cu with the58Ni(14N,15C)-reaction (1987)
    Springer
    The European physical journal 326 (1987), S. 139-146 
    Details
    ISSN: 1434-601X
    Keywords: 21.10.Dr ; 25.70.Cd ; 27.40.+ z
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The mass of57Cu has been measured with the58Ni(14N,15C)-reaction at 150 MeV incident energy with theQ 3D-spectrometer. The reaction has been selected after a careful inspection of the DWBA-expression for the cross section with respect to the highest weighting factors for spins andl-transfer. Cross sections of several μb/sr have been obtained. TheQ-value has been measured to beQ 0=−19.90 (4) MeV and the57Cu mass excess is −47 340 (40) keV. Four lines of excited states have been observed up to 5.7 MeV. These states have a structure of single particle character, since57Cu consists of a doubly closed core with N=Z=28 and a proton outside, and states up to the 2d 5-shell are observed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01283588
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    Paper (German National Licenses)
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