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  • 1
    Electronic Resource
    Electronic Resource
    Compact high-temperature cell for Brillouin scattering measurements (2000)
    [S.l.] : American Institute of Physics (AIP)
    Review of Scientific Instruments 71 (2000), S. 201-206 
    Details
    ISSN: 1089-7623
    Source: AIP Digital Archive
    Topics: Physics , Electrical Engineering, Measurement and Control Technology
    Notes: A compact ceramic high-temperature cell for Brillouin spectroscopy was designed and tested. The cell can be mounted onto a three- or four-circle goniometer and allows collection of the full set of elastic constants of minerals to temperatures in excess of 1500 K from samples with dimensions of 100×100×20 μm or smaller. As a test of the instrument the single-crystal elastic constants of MgO were measured to 1510(10) K, and are found to be in excellent agreement with earlier independent results. The high-temperature cell should be useful for other types of spectroscopic measurements, and is especially useful in situations where spectral properties vary with the scattering geometry. © 2000 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.1150183
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  • 2
    Electronic Resource
    Electronic Resource
    FOCUS: Coping with Scepticism: about the philosopher's role in teaching ethical business (1994)
    Oxford, UK : Blackwell Publishing Ltd
    Business ethics 3 (1994), S. 0 
    Details
    ISSN: 1467-8608
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Philosophy , Economics
    Notes: A philosopher looks at the scepticism of some of her colleagues about just what the study of ethics can contribute to ethical business, and argues that its main purpose is to help business people to engage in constructive ethical dialogue in society as well as in their corporation. The author is a regular contributor to this Review, and Director of the Centre for Business and Professional Ethics, University of Leeds, Leeds LS2 9JT.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1467-8608.1994.tb00085.x
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  • 3
    Electronic Resource
    Electronic Resource
    ‘Ethics’ (1992)
    Oxford, UK : Blackwell Publishing Ltd
    Business ethics 1 (1992), S. 0 
    Details
    ISSN: 1467-8608
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Philosophy , Economics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1467-8608.1992.tb00181.x
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  • 4
    Electronic Resource
    Electronic Resource
    Motive and Morality (1992)
    Oxford, UK : Blackwell Publishing Ltd
    Business ethics 1 (1992), S. 0 
    Details
    ISSN: 1467-8608
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Philosophy , Economics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1467-8608.1992.tb00225.x
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  • 5
    Electronic Resource
    Electronic Resource
    ‘Good and Bad’ (1992)
    Oxford, UK : Blackwell Publishing Ltd
    Business ethics 1 (1992), S. 0 
    Details
    ISSN: 1467-8608
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Philosophy , Economics
    Notes: If it's not good for something, then it's good for nothing. The Director of the Centre for Business and Professional Ethics at the University of Leeds continues her examination of basic terms frequently used in business ethics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1467-8608.1992.tb00214.x
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  • 6
    Electronic Resource
    Electronic Resource
    Right and Wrong (1992)
    Oxford, UK : Blackwell Publishing Ltd
    Business ethics 1 (1992), S. 0 
    Details
    ISSN: 1467-8608
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Philosophy , Economics
    Notes: ‘The virtuous life need not be seen as a life in which every moment has to be justified in relation to some overridingly urgent quest.’
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1467-8608.1992.tb00202.x
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  • 7
    Electronic Resource
    Electronic Resource
    Gene conversion between duplicated genetic elements in yeast (1981)
    [s.l.] : Nature Publishing Group
    Nature 292 (1981), S. 306-311 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The mitotic recombination behaviour of a duplication of the his4 region on chromosome III in the yeast Saccharomyces cerevisiae was studied. The major recombination event between the duplicated segments is gene conversion unassociated with reciprocal recombination. The rad52–1 mutation ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/292306a0
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  • 8
    Electronic Resource
    Electronic Resource
    Specificity of strain and genotype in the susceptibility of pea to Agrobacterium tumefaciens (1989)
    Springer
    Plant cell reports 8 (1989), S. 274-277 
    Details
    ISSN: 1432-203X
    Keywords: Pisum sativum L. ; Transformation ; T-DNA ; Opines
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary To determine the best combination for potential use in transformation of Pisum sativum L., 13 genotypes were inoculated with wild-type Agrobacterium tumefaciens strains A281, C58 and Ach5. A281 appeared to be the most virulent strain, as determined by size and number of tumours, followed by C58 and Ach5. Genotypes differed considerably in their response to inoculation and genotype x strain interaction was evident. Genotypes also responded differently to in vivo or in vitro inoculation. Axenic calli from tumours could be grown on hormone-free medium and the presence of the specific opines for each strain in the callus indicated successful transfer and expression of T-DNA. Southern blot analysis of DNA from callus of A281-inoculated material showed that both TR and TL T-DNA had been incorporated into the pea genome.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00274128
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  • 9
    Electronic Resource
    Electronic Resource
    Genotype- and promoter-induced variability in transient β-glucuronidase expression in pea protoplasts (1990)
    Springer
    Plant cell reports 9 (1990), S. 17-20 
    Details
    ISSN: 1432-203X
    Keywords: Pisum sativum L. ; Electroporation ; GUS ; NOS promuter ; CaMV35S promoter
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary Leaf mesophyll protoplasts isolated from pea (Pisum sativum L.) genotypes Century and PI244253 showed transient expression of β-glucuronidase (GUS) when electroporated with plasmid DNA containing various promoter-leader sequence constructs driving the GUS gene. The optimum conditions for transient expression were: using protoplasts isolated from leaf material that had been kept in the dark for 90 h; electroporating at 250 V and 960 μF; and using 125 μg of calf thymus carrier DNA and 75 μ of plasmid DNA. PI244253 had 5 to 20 times the GUS activity levels of Century. Similar levels of transient expression were obtained using either the nopaline synthase or cauliflower mosaic virus 35S (35S) promoters. These levels were lower than that obtained using a duplicated 35S promoter derivative. The presence of an untranslated coat protein mRNA leader sequence from alfalfa mosaic virus between each promoter and the GUS gene resulted in increased GUS activity. Leaf mesophyll protoplasts and root protoplasts of PI244253 did not differ in levels of transient expression.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00232127
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  • 10
    Electronic Resource
    Electronic Resource
    Cold-sensitive mutation in Neurospora crassa affecting the production of 17S ribosomal RNA from ribosomal precursor RNA (1981)
    Springer
    Current genetics 4 (1981), S. 1-5 
    Details
    ISSN: 1432-0983
    Keywords: Neurospora crassa ; Ribosomal RNA processing ; Cold sensitive ; Ribosome ; Biosynthesis mutant
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary The cold-sensitive mutant strain of Neurospora crassa, crib-1 (PJ30201) has a conditional defect in ribosome biosynthesis. At 10 °C this mutant underproduces the small (37S) ribosomal subunit. Experiments were done to study rRNA synthesis in crib-1 after a shift from the permissive (25 °C) to the nonpermissive temperature and vice versa. The results showed that the primary cold-sensitive defect in crib-1 is in the function, rather than the synthesis, of a molecule needed for the production of the 17S rRNA component of the 37S subunit. Pulse-labeling experiments showed that at 10 °C crib-1 synthesizes the 2.4-Mdal pre-rRNA molecule which contains the sequences for the 17S, 5.8S and 25S rRNA species, but that processing of this molecule is defective such that relatively few stable 17S rRNA molecules accumulate.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00376778
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