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  • 1
    Electronic Resource
    Electronic Resource
    The Regulation of Cholesteryl Ester Metabolism by 17β-Estradiol in Macrophages (1994)
    Oxford, UK : Blackwell Publishing Ltd
    Annals of the New York Academy of Sciences 748 (1994), S. 0 
    Details
    ISSN: 1749-6632
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Natural Sciences in General
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1749-6632.1994.tb17379.x
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    The role of sex steroid in two avian song behaviours differing in ontogenetic process (1994)
    Springer
    Cellular and molecular life sciences 50 (1994), S. 972-974 
    Details
    ISSN: 1420-9071
    Keywords: Bengalese finch ; birdsong ; directed song ; undirected song ; maturational process ; fecal steroid hormone ; testosterone dependency
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Abstract The male Bengalese finch,Lonchura striata, has two types of song behaviour (directed song, DS and undirected song, US). DS and US share a basically identical syllable repertoire, sequence pattern and tempo, but differ in the time course of appearance during the maturational process. In order to examine whether this results from a difference in testosterone (T) dependency, we studied developmental changes in the fecal T level and the amounts of DS and US during the 2–4 month period (N=7). DS appeared between 83 and 94 days of age, 4–16 days after a rise in the fecal T level. In contrast, US appeared earlier and at high frequency even when T was still at a very low level. These results suggest that DS is more dependent on the T level than US, and is not activated until the T level rises during the maturational process.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01923490
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Reduction to one half in dietary intake of cadmium and lead among Japanese populations (1994)
    Springer
    Bulletin of environmental contamination and toxicology 52 (1994), S. 196-202 
    Details
    ISSN: 1432-0800
    Source: Springer Online Journal Archives 1860-2000
    Topics: Energy, Environment Protection, Nuclear Power Engineering , Medicine
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00198488
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    MRI-based quantitative assessment of the hippocampal region in very mild to moderate Alzheimer's disease (1994)
    Springer
    Neuroradiology 36 (1994), S. 7-10 
    Details
    ISSN: 1432-1920
    Keywords: Possible Alzheimer's disease ; Probable Alzheimer's disease ; Hippocampus ; Parahippocampal gyrus ; Temporal lobe ; MRI
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract We investigated the hippocampal region in six patients diagnosed with possible Alzheimer's disease (AD), eight patients with probable AD, and eight agematched controls, using a high-resolution magnetic resonance imaging technique. Coronal T1-weighted images were used for area measurements of the hippocampal formation (HF), parahippocampal gyrus (PHG), and temporal lobe (TL), normalised to cranial area. Both the normalised HF and PHG were significantly smaller in both AD groups than in the controls, but did not differ between patients with possible and probable AD. The normalised TL was significantly smaller in patients with probable AD than in those with possible AD and controls, but did not differ in patients with possible AD and controls. We conclude that hippocampal and parahippocampal atrophy occurs in early AD, and is more useful than neocortical atrophy for early detection of the disease. At a more advanced stage, the neocortical area is involved.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00599184
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  • 5
    Electronic Resource
    Electronic Resource
    Intravascular hypercoagulability in patients with recent Bell's palsy (1994)
    Springer
    European archives of oto-rhino-laryngology and head & neck 251 (1994), S. 278-282 
    Details
    ISSN: 1434-4726
    Keywords: Bell's palsy ; Pathogenesis ; Thrombinantithrombin III complex ; α-2 plasmin inhibitor-plasmin complex ; Hypercoagulability
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Eighty-four patients were examined for blood coagulability during the acute phase of Bell's palsy. Abnormally high levels of thrombin-antithrombin III complex (TAT) and α-2 plasmin inhibitor-plasmin complex (PIC) were found, with these increases statistically significant. Values tended to be higher in patients within 3 days after occurrence of the palsy when compared to values in patients 4 days or more later. Abnormal TAT and PIC levels in the acute phase then tended to become normalized during the convalescent phase of the disease. These findings indicated that activation of intravascular coagulability had occurred, with patients entering a temporary clot-forming state. Among the several hypotheses for the etiology of Bell's palsy, our findings support a circulation disorder as an influential factor.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00181885
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  • 6
    Electronic Resource
    Electronic Resource
    Application of lead alkali-silicate bonding glass to ferrite heads (1994)
    Springer
    Journal of materials science 29 (1994), S. 4856-4859 
    Details
    ISSN: 1573-4803
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Abstract The residual stress induced in the bonding glass bonded to a ferrite substrate was measured with a photoelastic method. The permeability and the head output showed a maximum at a specific compressive stress. This behaviour was explained by the change of induced anisotropy caused by the magnetoelastic effect.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00356534
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  • 7
    Electronic Resource
    Electronic Resource
    Slip casting and sintering of monodispersed TiO2 particles (1994)
    Springer
    Journal of materials science 29 (1994), S. 366-372 
    Details
    ISSN: 1573-4803
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Abstract Monodispersed TiO2 particles were used to prepare a uniformly packed green compact with a high relative density by slip casting. A suspension consisting of monodispersed TiO2 particles, solvent and binder was cast in the mould. The sintering behaviour of the green compact was investigated. The green compact could be sintered to a relative density of 〉 99% by treatment at 1050 °C for 120 min. The average grain size of the sintered body was 1.26 μm without abnormal grain growth. The green sheet cast on a glass board could be densified with no grain growth. The experimentally obtained relation between densification rate and grain size indicated a volume diffusion mechanism according to Coble's equation.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01162492
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    Paper (German National Licenses)
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  • 8
    Electronic Resource
    Electronic Resource
    Zinc oxide thin-film chemical sensors in conjunction with neural network pattern recognition for trimethylamine and dimethylamine gases (1994)
    Springer
    Journal of materials science 29 (1994), S. 6529-6532 
    Details
    ISSN: 1573-4803
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Abstract Transient response curves for exposure to several gases are observed using zinc oxide (ZnO) thin-film gas sensors. It is found that an aluminium-doped ZnO (ZnO∶:Al) sensor exhibits a high sensitivity and an excellent selectivity for amine gases. In order to discriminate between gas species such as trimethylamine (TMA), dimethylamine (DMA) and other gases pattern recognition analysis using a neural network is carried out using parameters which characterize the transient responses of the sensor for exposure to gases. The recognition probability of the neural network is 90% for TMA and DMA with constant concentration and is 100% for TMA and DMA with different concentrations, except for a concentration of 1 p.p.m.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00354016
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