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  • 1
    Electronic Resource
    Electronic Resource
    Cell cycle dependence of Hoechst 33342 dye cytotoxicity on sorted living cells (1984)
    Springer
    Histochemistry and cell biology 81 (1984), S. 493-495 
    Details
    ISSN: 1432-119X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary The effect of staining cellular DNA with the bisbenzimidazole dye Hoechst 33342 on the colony forming efficiency of Chinese Hamster Ovary Cells in different cell cycle phases has been studied. Exposures of 90 and 120 min to 5 μM Hoechst 33342 provided a considerable loss of clonogenicity depending on the cycle phase at staining procedure. The G2+M cells reveal to be the most sensitive fraction followed by the G1 cells. The highest resistance was found on S-phase cells with a colony forming efficiency exceeding that of the G2+M fraction by a factor of two.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00489756
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    A new fluid switching flow sorter (1983)
    Springer
    Histochemistry and cell biology 77 (1983), S. 117-121 
    Details
    ISSN: 1432-119X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary Conventional cell sorters produce potentially hazardous microdroplets containing dyes and radiolabeled compounds commonly used to identify and trace subpopulations of cells. Many of these substances are potential toxins, mutagens, or carcinogens constituting a risk to personal associated with the sorting device. The separation of living cells for continued study of cell growth from an “in air” sample stream includes the risk of contamination with microorganisms altering the following cultures. To avoid those risks, we have constructed a new capsular flow cytometer sorter which consists of a small chamber completely encasing the sorting mechanism. Data acquisition, analysis, and processing are accomplished by using a microcomputer-based pulse height analyser.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00496642
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Study of the7be(p, γ)-reaction (1977)
    Springer
    The European physical journal 282 (1977), S. 121-123 
    Details
    ISSN: 1434-601X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The cross section of the7Be(p, γ)8B reaction has been determined atE p =360 keV to σ360=0.17+0.04μb.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01881014
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    Resonances in low energy40Ca(α, α)-scattering and quasimolecular band in44Ti (1976)
    Springer
    The European physical journal 276 (1976), S. 317-324 
    Details
    ISSN: 1434-601X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The elasticα-scattering from40Ca has been studied betweenE α=7.035 MeV and 7.405 MeV. Angular distributions and excitation functions have been measured in 5 keV steps. The data display a resonance atE α=7.26 MeV which by its width and angular correlation is clearly distinguished from strong Ericson fluctuations in this region. From the analysis of the angular distributions and excitation functions a spinJ π=1− is assigned to this resonance. The resonance parameters areΓ α=31 KeV,Γ total=51keV. By its spin and excitation energy this state is interpreted as a member of a quasimolecular band in44Ti the higherl-members of which are known from401Ca(α, α) scattering betweenE α=18 MeV and 50 MeV. The experimental data are compared with recent microscopic calculations within a fully antisymmetrized reaction theory.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01412110
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    Paper (German National Licenses)
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