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  • 1
    Electronic Resource
    Electronic Resource
    Two proton high-spin excitations and dipole bands in192Hg (1994)
    Springer
    The European physical journal 348 (1994), S. 87-93 
    Details
    ISSN: 1434-601X
    Keywords: 27.80.+w ; 21.10.Hw ; 21.60.Ev
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The192Hg nucleus was populated in the160Gd(36S, 4n) reaction at a beam energy of E=159 MeV. Emittedγ-rays were detected with the EUROGAM array comprising 43 Compton-suppressed large volume Ge detectors. The level scheme of192Hg has been extended up to an excitation energy of E=10.4 MeV and spin I=34 ħ. Two new structures, made of competing ΔI=1 and ΔI=2 transitions have been observed and their connexions with the low-lying levels established. Their lowest levels are located at 6.304 MeV and 6.879 MeV excitation energy. The experimental results are compared with mean-field HF+BCS calculations. It is proposed that the new structures originate from deformation-aligned quasi-proton excitations π(i13/2 * h9/2)K=11 andπ (h9/2) K=8 2 , coupled to rotation-aligned quasi-neutron ν(i13/2)n and quasi-proton π(h11/2)2 excitations.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01289594
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Scanning ion analytical microscopy for high-resolution detection of 5-bromo-2′-deoxyuridine incorporation in metaphase chromosomes (1996)
    Springer
    Chromosome research 4 (1996), S. 574-582 
    Details
    ISSN: 1573-6849
    Keywords: 5-bromo-2′-deoxyuridine incorporation ; chromosome structure ; immunostaining ; scanning ion microscopy
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract We investigated the possibilities of using scanning ion analytical microscopy (SIAM) to detect bromine in human metaphase chromosomes. The experiments were performed after incorporation of the thymidine analogue, 5-bromo-2′-deoxyuridine (BrdU), into the DNA or byin situ hybridization of a BrdU-labelled probe for the subcentromeric repeated DNA sequences. The possibilities offered by this microanalytical method were compared with immunofluorescent staining techniques. Well-defined maps of bands containing bromine were obtained with metaphase chromosomes that had incorporated BrdU during the late S-phase. Their patterns were similar to the labelling obtained by immunofluorescence. In addition, SIAM reveals the presence of bromine within constitutive heterochromatic regions in which BrdU is poorly detected by immunofluorescence. The comparison of the12C14N,31P and81Br maps of controls and fluorescence plus Giemsa (FPG) metaphase chromosomes, shows the loss of bromine from DNA during this treatment. SIAM emerges as a new powerful microanalytical technology for investigating chromosome structure further.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02261720
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    Paper (German National Licenses)
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