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  • Articles  (7)
  • Articles: DFG German National Licenses  (7)
  • 2005-2009  (1)
  • 1995-1999  (4)
  • 1910-1914  (2)
  • 1
    Electronic Resource
    Electronic Resource
    Induction of tetraploidy in brown trout, Salmo trutta L., using hydrostatic pressure (1995)
    Oxford, UK : Blackwell Publishing Ltd
    Aquaculture research 26 (1995), S. 0 
    Details
    ISSN: 1365-2109
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2109.1995.tb00907.x
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  • 2
    Electronic Resource
    Electronic Resource
    Clinical guidelines in severe pre-eclampsia and eclampsia (2005)
    Bradford : Emerald
    Clinical governance 10 (2005), S. 291-299 
    Details
    ISSN: 1477-7274
    Source: Emerald Fulltext Archive Database 1994-2005
    Topics: Medicine , Economics
    Notes: Purpose - This article aims to assess the standard local recommended management of women with severe pre-eclampsia and eclampsia in relation to recommendations in a national clinical guideline using a criterion-based survey. Design/methodology/approach - A total of 227 maternity units in the UK were asked to provide a copy of their guideline for the management of severe pre-eclampsia and eclampsia. Responses were obtained from 107 units (47.1 per cent), 37 units were using regional guidelines and 72 guidelines were available for assessment. A total of ten audit criteria were agreed by committee, based on national recommendations. Guidelines were then audited to assess concurrence with these criteria. Findings - The standard of guidelines was highly variable with only four guidelines (4.5 per cent) satisfying all ten key guideline points. The majority of guidelines had clear criteria for inclusion (87.5 per cent) but in almost a quarter of all guidelines no mention was made of informing consultant staff once these criteria were met. Practical implications - The study shows that the standard of local guidelines for management of these potentially fatal conditions is highly variable. Confidential inquiry has repeatedly recommended the use of regional guidelines. Perhaps it is time for the development of a national guideline representing consensus agreement of an evidence-based approach. Originality/value - In the UK eclampsia and pre-eclampsia continue to be a leading cause of maternal mortality and morbidity. This paper provides a valuable insight into the standard of guidelines used in the management of these conditions.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1108/14777270510629345
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  • 3
    Electronic Resource
    Electronic Resource
    Continuous callus production and regeneration of garlic (Allium sativum L.) using root segments from shoot tip-derived plantlets (1998)
    Springer
    Plant cell reports 17 (1998), S. 726-730 
    Details
    ISSN: 1432-203X
    Keywords: Key words Garlic ; Allium sativum L. ; Root segments ; Regeneration ; Picloram
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Root segments from shoot tip-derived plantlets of the garlic (Allium sativum L.) clones `DDR7099', `PI383819', and `Piacenza' were utilized as an explant source for continuous, friable callus production. The best callus production occurred on root segments initially cultured on medium with 4,5 μm 2,4-dichlorophenoxyacetic acid (2,4-D) for 8 weeks, then subcultured to medium with 4.7 μm 4-amino-3,5,6-trichloropicolinic acid (picloram) +0.49 μm 6-(γ-γ-dimethylallylamino)purine (2iP) for 8 weeks. Embryogenic, friable callus was transferred to liquid medium for 1 month and then transferred to solid regeneration medium for 14 weeks. The best shoot and root regeneration (85.3% and 35.8%, respectively) occurred on 4-month-old calli from the clone `DDR7099'. In all clones, regeneration rate decreased as callus age increased.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s002990050473
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  • 4
    Electronic Resource
    Electronic Resource
    Regeneration of garlic callus as affected by clonal variation, plant growth regulators and culture conditions over time (1999)
    Springer
    Plant cell reports 19 (1999), S. 32-36 
    Details
    ISSN: 1432-203X
    Keywords: Key words Allium sativum ; Benzyladenine ; Picloram ; Thidiazuron ; 2 ; 4-D ; 2iP
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract  A long-term regeneration system for garlic (Allium sativum L.) clones of diverse origin was developed. Callus was initiated on a modified Gamborg's B-5 medium supplemented with 4.5 μM 2,4-D and maintained on the same basal medium with 4.7 μM picloram+0.49 μM 2iP. Regeneration potential of callus after 5, 12 and 16 months on maintenance medium was measured using several plant growth regulator treatments. The 1.4 μM picloram+13.3 μM BA treatment stimulated the highest rate of shoot production. Regeneration rate decreased as callus age increased, but healthy plantlets from callus cultures up to 16-months-old were produced for all clones. Regeneration of long-term garlic callus cultures could be useful for clonal propagation and transformation.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s002990050706
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  • 5
    Electronic Resource
    Electronic Resource
    Induction of diploid androgenetic and mitotic gynogenetic Nile tilapia (Oreochromis niloticus L.) (1995)
    Springer
    Theoretical and applied genetics 90 (1995), S. 205-210 
    Details
    ISSN: 1432-2242
    Keywords: Androgenesis ; Gynogenesis ; Tilapia Gene bank ; Chromosome manipulation
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Androgenesis is a potentially valuable technique for recovering fish from gene banks composed of cryopreserved sperm, developing inbred lines, and analyzing patterns of inheritance. The procedure for producing diploid organisms whose nuclear DNA is wholly of paternal origin is dependent on: (1) the denucleation of “host” eggs, and (2) the inhibition of the first mitotic division in order to double the haploid sperm chromosome complement following fertilization of host eggs. Denucleation of tilapia (Oreochromis niloticus L.) eggs was carried out using UV irradiation. Treatment durations of 5–8 min (total dose of 450–720 J/m2) produced acceptable yields of viable denucleated eggs [22.9±1.6% (±SE) of controls] as estimated by the survival of haploid androgenetic tilapia to 48 h post-fertilization. Successful mitotic inhibition was accomplished using a heat-shock of 42.5 °C for 3–4 min, applied at 2.5-min intervals from 22.5 to 30 min post-fertilization (mpf). The mean survival of androgenetic diploid fish to yolk-sac absorption for treatment groups varied from 0.4% to 5.3%, relative to the controls. Differences in the suceptibility of eggs from different females to UV irradiation were a significant factor in the overall yield of androgenetic diploids. Paternal effects did not significantly influence the androgenetic yield, suggesting that individual males would not be selected against. For comparative purposes mitotic gynogenetic “mitogyne” diploids were produced from UV-irradiated sperm. Mean survival to yolk-sac absorption varied from 0.5% to 10.64%, relative to controls. Similar optima for androgenetic and gynogenetic induction were found in the period 25–27.5 mpf (minutes post-fertilization). Induction treatments would appear to be operating on the same developmental events in both these techniques, and the results suggest that the UV irradiations used do relatively little damage to the eggs beyond nuclear inactivation. The results indicate that the production of androgenetic O. niloticus is possible on a consistent basis and that the application of this technique may be useful in quantitative and conservation genetics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00222203
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  • 6
    Electronic Resource
    Electronic Resource
    Die Darstellung von Phosphonium- und Ammoniumjodid und die Wirkung der Hitze auf diese Stoffe (1913)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 82 (1913), S. 278-282 
    Details
    ISSN: 0863-1778
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.19130820121
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  • 7
    Electronic Resource
    Electronic Resource
    Die Reduktion von Kupfersulfat in wässeriger Lösung durch Natriumhypophosphit und Natriumhydrosulfit (1913)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 80 (1913), S. 93-103 
    Details
    ISSN: 0863-1778
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Aus den Versuchen ergibt sich, daß Cuprohydrid bei der Reaktion zwischen Kupfersulfat und unterphosphoriger Säure entsteht, daß aber die Reinheit des Produktes von begrenzten Versuchsbedingungen, besonders von Temperatur und Zeit abhängt. Die Versuche bei gewöhnlicher Temperatur zeigen, daß nach mehrstündigem Stehen das Produkt Hydrid und Oxyd enthält, und auf die Koexistenz dieser beiden Stoffe ist die Explosionsfähigkeit der trockenen Substanz bei Berührung mit Luft zurückzuführen.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.19130800110
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