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  • 11
    Electronic Resource
    Electronic Resource
    Respiratory adaptations in the larvae of Monoptems cuchia (Ham.) (1989)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of fish biology 34 (1989), S. 0 
    Details
    ISSN: 1095-8649
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1095-8649.1989.tb03343.x
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  • 12
    Electronic Resource
    Electronic Resource
    Oral epithelial cell lipid synthesis in the presence of retinoic acid or nitrosonornicotine (1986)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of oral pathology & medicine 15 (1986), S. 0 
    Details
    ISSN: 1600-0714
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: The current study examines the effects of N-nitrosonornicotine (NNN) and all trans-retinoic acid (RA) on the synthesis and composition of lipids of oral epithelial cells grown in culture. Cells were exposed to NNN, RA or methylene chloride (the vehicle for the NNN and RA) and the lipids labelled with [14C]-acetate. Lipids were extracted from the cells, separated by paper chromatography, located by autoradiography, and acetate incorporation determined by liquid scintillation spectrometry. Cholesterol labelling was significantly decreased by the RA between 4 and 48 h when compared to the NNN-treated or control cells. After 48 h the incorporation levels in the presence of the two last compounds decreased. Free fatty acid labelling was also significantly less in cells exposed to RA, while labelling of triglycerides and phospholipids was increased. N-nitrosonornicotine seemed to produce a decreased labelling of cholesterol after 96 h continuous exposure. The results of these studies suggest that retinoid rapidly elevates the cell content of lipid formed from the glycerolipid pathway and membrane mechanisms may be modulated by this effect.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1600-0714.1986.tb00652.x
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  • 13
    Electronic Resource
    Electronic Resource
    A simplified method for culture of oral epithelial cells (1985)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of oral pathology & medicine 14 (1985), S. 0 
    Details
    ISSN: 1600-0714
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: In order to facilitate studies on oral mucosa a simplified method for the culture of oral epithelial cells from adult hamsters was developed. Cheek pouches were excised and epithelial cells isolated by collagenase digestion. These were grown in CM-V medium containing spermine in order to inhibit overgrowth of the epithelial cells by fibroblasts. The epithelial cells were subcultured by routine tissue culture procedures. The cells isolated were examined by light microscopy and scanning and transmission electron microscopy. Morphologically the cells were typical of epithelial cells. Ultrastructural examination showed structures typical of epithelia including filaments, keratohyalin granules and desmosomal junctions. The culture system provides epithelial cells that can be used for a variety of biochemical and morphological studies.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1600-0714.1985.tb00501.x
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  • 14
    Electronic Resource
    Electronic Resource
    In vivo effects of Sn-1,2-dioctanoylglycerol, TPA and A23187 on hamster cheek pouch epithelium (1988)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of oral pathology & medicine 17 (1988), S. 0 
    Details
    ISSN: 1600-0714
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Cheek pouches of male Syrian golden hamsters were topically treated with a single dose of TPA (.5 μg), calcium ionophore A23187 (75 μgs) or Sn-1,2-dioctanoylglycerol (DiC8) (500 μg) dissolved in 0.25 ml acetone. Acetone-treated animals served as controls. After 48 h the mitotic index for the control group was 1.1 ± 0.1 per 1 mm of the basement membrane length. All the test congeners exhibited higher mitotic indices than controls: TPA (4.8 ± 0.4), A23187 (3.9 ± 0.3), DiC8 (2.1 ± 0.2). All groups exhibited an increase in the epithelial thickness manifested by cellular hyperplasia. The treatment of the pouches with the anti-inflammatory agent fluocinolone acetonide inhibited the milogenic and hyperplasiogenic affects on the epithelium induced by the various test chemicals. These studies indicate a possible role of calcium-phospholipid dependent protein kinase (protein kinase C) in the mediation of oral epithelial cell proliferation.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1600-0714.1988.tb01327.x
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  • 15
    Electronic Resource
    Electronic Resource
    Primary Radical Formation in Irradiated Proteins (1965)
    [s.l.] : Nature Publishing Group
    Nature 206 (1965), S. 1314-1315 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] ELECTRON spin resonance (ESR) investigations on dry proteins irradiated at room temperature have shown that the stable free radicals observed are not formed at random but are localized on certain preferred sites. The observed ESR spectra are either a doublet, probably from the radical CO CH NH ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/2061314a0
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  • 16
    Electronic Resource
    Electronic Resource
    Occurrence and Nature of an Amœba Excystment Factor produced by Aerobacter sp. (1956)
    [s.l.] : Nature Publishing Group
    Nature 177 (1956), S. 621-622 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Crump1 showed that excystment in Amoeba Z (Didascalus ihorntoni ; Singh6) took place without the presence of bacteria, while Amoeba 4 (Schizo-pyrenus russelli; Singh6) excysted only in the presence of certain bacteria (Aerobacter sp. and 4036). She suggested that the two species of bacteria produce ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/177621a0
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  • 17
    Electronic Resource
    Electronic Resource
    North-East India: Demography, Culture and Identity Crisis (1987)
    Cambridge : Cambridge University Press
    Modern Asian studies 21 (1987), S. 257-282 
    Details
    ISSN: 0026-749X
    Source: Cambridge Journals Digital Archives
    Topics: Ethnic Sciences , History , Political Science , Economics
    Notes: The management of public affairs in northeast India has been in focus in the regional, national and world press in recent years. Much of the attention has been confined to insurgency, the ‘foreign nationals’ issue, tribal ‘uprisings’, ‘brutalities’ committed by the security forces, ‘involvement’ of foreign agencies in the area, political ‘horse-trading’ and floods. There has been no analysis of the economic, cultural and demographic factors which have acquired different nuances in the wake of the rapid modernization taking place in the region since the 1950s and which have a decisive say on the formulation of policies and the efficacy of institutions of governance in northeast India. This paper proposes to offer some facts and reflections on these aspects.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1017/S0026749X00013809
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  • 18
    Electronic Resource
    Electronic Resource
    The geometrization of hydromagnetic fluid flows (1986)
    Springer
    Astrophysics and space science 124 (1986), S. 105-114 
    Details
    ISSN: 1572-946X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract In this paper certain theorems of theoretical interest have been established with the help of the geometrical properties of Maxwellian surface (which is spanned by the flow and field lines). These theorems shed light on the behaviour of steady incompressible hydromagnetic flows. The complex-lamellar acceleration and simple geodesic motion admitted by such flows have also been studied.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00649753
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  • 19
    Electronic Resource
    Electronic Resource
    Boussinesq's problem for a debonded boundary (1989)
    Springer
    Zeitschrift für angewandte Mathematik und Physik 40 (1989), S. 1-14 
    Details
    ISSN: 1420-9039
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mathematics , Physics
    Notes: Abstract The present paper examines the problem of the axial loading of a rigid circular punch which is located at the debonded boundary of an elastic medium-rigid boundary interface. The mathematical analysis of the problem focusses primarily on the evaluation of the load-displacement response for the punch boundary of the debonded region. The numerical results presented in the paper illustrate the manner in which the axial stiffness of the punch is influenced by the Poisson's ratio of the elastic medium and the relative dimensions of the debonded region.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00945306
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  • 20
    Electronic Resource
    Electronic Resource
    The Reissner-Sagoci problem for a half-space with a surface constraint (1989)
    Springer
    Zeitschrift für angewandte Mathematik und Physik 40 (1989), S. 762-768 
    Details
    ISSN: 1420-9039
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mathematics , Physics
    Notes: Abstract In this paper, the Reissner-Sagoci problem for a half-space with a surface constraint is considered. The problem is reduced to the triple integral equation by use of integral transforms. The triple integral equations are solved for small values of parameters characterizing the geometry of the problem. An expression for the torque required to rotate the disc through a fixed angle is obtained.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00945876
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