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  • 1
    Electronic Resource
    Electronic Resource
    s.l. : American Chemical Society
    Organometallics 14 (1995), S. 332-340 
    ISSN: 1520-6041
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 1432-072X
    Keywords: Key words Nitrification ; Hydroxylamine-cytochrome c oxidoreductase ; Ammonia monooxygenase ; Denitrification ; Pseudomonas sp.
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Hydroxylamine oxidation was measured in four recently isolated heterotrophic nitrate-reducing bacteria belonging to the genera Pseudomonas, Moraxella, Arthrobacter and Aeromonas. A hydroxylamine-cytochrome c oxidoreductase activity was detected in periplasmic fractions of the Pseudomonas and Aeromonas spp. and in total soluble fractions of the Arthrobacter sp. A monomeric 19-kDa non-haem iron hydroxylamine-cytochrome c oxidoreductase was purified from the Pseudomonas species and shown to be similar to hydroxylamine-cytochrome c oxidoreductase of Paracoccus denitrificans.
    Type of Medium: Electronic Resource
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  • 3
    ISSN: 1432-072X
    Keywords: Keywords Denitrification ; Pseudomonas putida ; Nitrate reductase ; Periplasm ; Aerobic nitrate respiration
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract A strain of Pseudomonas putida that can express a nitrate reductase that is located in the periplasmic compartment was isolated from freshwater. The enzyme was active in vivo during arginine fermentation and at the onset of oxygen limitation in batch cultures. The activity of the enzyme increased the yield of bacteria following fermentative growth under anoxic conditions with arginine, but nitrate reduction did not support growth on non-fermentable carbon substrates under anoxic conditions. Cells expressing the periplasmic nitrate reductase were capable of reducing nitrate in the presence of oxygen. Nitrate reduction under oxic conditions was clearly coupled to a respiratory electron transport chain because: (1) the process was sensitive to the respiratory inhibitors rotenone and 2-n-heptyl-4-hydroxyquinoline N-oxide, and (2) membrane-bound and periplasmic cytochromes were involved. This is the first report of the presence of a periplasmic nitrate reductase in a member of the γ proteobacteria.
    Type of Medium: Electronic Resource
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  • 4
    ISSN: 1471-0528
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Objective To undertake a five year follow up of a cohort of women and children delivered by forceps or vacuum extractor in a randomised controlled study.Design Follow up of a randomised controlled trial.Setting District general hospital in the West Midlands.Population Follow up questionnaires were sent to 306 of the 313 women originally recruited at the North Staffordshire Hospital to a randomised controlled study comparing forceps and vacuum extractor for assisted delivery. Two hundred and twenty-eight women responded (74.5%) and all were included in the study; forceps (n= 115) and vacuum extractor (n= 113).Main outcome measures Bowel and urinary dysfunction, child vision assessment, and child development.Results Maternal adverse symptoms at long term follow up were relatively common. Urinary incontinence of various severity was reported by 47%, bowel habit urgency was reported by 44% (98/225), and loss of bowel control ‘sometimes’ or ‘frequently’ by 20% of women (46/226). No significant differences between instruments were found in terms of either bowel or urinary dysfunction. Overall, 13% (20/158) of children were noted to have visual problems. There was no significant difference in visual function between the two groups: ventouse 11/86 (12.8%), compared with forceps 9/72 (12.5%); odds ratio 0.97,95% CI 0.38–2.50. Of the 20 children with visual problems, a family history was known in 18, and 17/18 (94%) had a positive family history for visual problems. No significant differences in child development were found between the two groups.Conclusions There is no evidence to suggest that at five years after delivery use of the ventouse or forceps has specific maternal or child benefits or side effects.
    Type of Medium: Electronic Resource
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  • 5
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The signalling protein Wnt regulates transcription factors containing high-mobility-group (HMG) domains to direct decisions on cell fate during animal development. In Caenorhabditis elegans, the HMG-domain-containing repressor POP-1 distinguishes the fates of anterior daughter cells from ...
    Type of Medium: Electronic Resource
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  • 6
    ISSN: 1471-4159
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Abstract: Cytoplasmic inclusion bodies that are accumulations of neurofilaments are the pathological hallmark of many neurodegenerative diseases and have been produced in transgenic mice by overexpression of mouse (NF-L and NF-M; light and medium chains, respectively) and human (NF-M and NF-H; medium and heavy chains, respectively) neurofilament subunits. This report describes a neuronal culture model in which human NF-L was overexpressed to produce cytoplasmic accumulations of neurofilaments within cell bodies concomitant with the collapse of the endogenous neurofilament network. Electron microscopy showed that, within accumulations, neurofilaments retained a filamentous structure. The culture model thus provides a novel system in which the effect on neurofilament accumulations of manipulating protein phosphorylation can be studied. Treatment of cells containing neurofilament accumulations with bisindolylmaleimide, a specific protein kinase C inhibitor, resulted in regeneration of the filamentous network; this effect was not due to a change in the level of transfected NF-L expression. These findings lend support to the suggestion that an impairment in the regulation of protein phosphorylation may lead to the accumulation of neurofilaments seen in neurodegenerative disease.
    Type of Medium: Electronic Resource
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  • 7
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Sociological inquiry 75 (2005), S. 0 
    ISSN: 1475-682X
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Sociology
    Notes: In this article, we analyze the effects of urbanism and Southern regionalism on traditional gender-role attitudes. Our main dependent variable is an index of gender traditionalism constructed from four items asked across several years from 1974 to 1998 by the General Social Survey. As in previous research and consistent with the classical theoretical propositions of Wirth and Stouffer, we find that people living in more urban areas are more likely to hold more contemporary gender-role attitudes compared to those living in less urban areas, and that those living in the South tend to maintain more traditional attitudes than their non-Southern counterparts. The propositions of Wirth also predict a convergence in attitudes over time, creating similar attitudes across residential locations. Our findings support this assertion.
    Type of Medium: Electronic Resource
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  • 8
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Anaesthesia 51 (1996), S. 0 
    ISSN: 1365-2044
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: We report an extremely rare complication of regional anaesthesia, a spinal subdural haematoma, which resulted in permanent neurological damage occurring 8 days after dural puncture at T12–L1. Although spinal subdural haematoma following spinal anaesthesia and lumbar puncture has been described before, this is the first report of this complication occurring after dural puncture using a 25G atraumatic pencil point (Whitacre) needle. Contributory factors might have been the perioperative intermittent low dose aspirin therapy and the fact that spinal anaesthesia was performed at the T12-L1 level.
    Type of Medium: Electronic Resource
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  • 9
    Electronic Resource
    Electronic Resource
    Woodbury, NY : American Institute of Physics (AIP)
    Applied Physics Letters 66 (1995), S. 2804-2806 
    ISSN: 1077-3118
    Source: AIP Digital Archive
    Topics: Physics
    Notes: A novel diol based metalorganic route has been developed and employed to deposit BaTiO3 films on Si and Pt coated Si substrates. Differential thermal analysis, thermogravimetric analysis, x-ray photoelectron spectroscopy, and x-ray diffraction collectively indicated that BaTiO3 was formed through the reaction of Ba and Ti oxides at approximately 500 °C. The films were single phase, had no crystallographic texture, and contained no detectable impurities. © 1995 American Institute of Physics.
    Type of Medium: Electronic Resource
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  • 10
    ISSN: 1077-3118
    Source: AIP Digital Archive
    Topics: Physics
    Notes: We have developed modified poly(p-phenylene vinylene) (PPV) to improve its performance in organic electroluminescent devices. Encapsulated single-layer devices with this PPV on indium–tin oxide and a calcium cathode have been operated in air for 〉7000 h at 20 °C and 〉1100 h at 80 °C without noticeable degradation. Devices fabricated with this PPV, a conducting polymer layer as anode, and a sputtered low work-function alloy as cathode have efficiencies of over 2 lm/W, brightnesses of 〉600 Cd/m2 at 4 V, and lifetimes of 〉1400 h driven at ∼100 Cd/m2 initial brightness. © 1997 American Institute of Physics.
    Type of Medium: Electronic Resource
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