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  • 1985-1989  (67)
  • 1980-1984  (56)
  • 1955-1959  (7)
  • 1950-1954  (4)
  • 11
    Electronic Resource
    Electronic Resource
    College Park, Md. : American Institute of Physics (AIP)
    Journal of Mathematical Physics 27 (1986), S. 1466-1470 
    ISSN: 1089-7658
    Source: AIP Digital Archive
    Topics: Mathematics , Physics
    Notes: The geometry and solutions for steady transverse magnetogas dynamic flow with arbitrary equation of state when magnitude of the velocity is constant along each individual streamline are investigated.
    Type of Medium: Electronic Resource
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  • 12
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Plant pathology 37 (1988), S. 0 
    ISSN: 1365-3059
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Leaf crinkle symptoms, stem necrosis and stunting were observed in Solanum capsicastrum plants in India. A virus was isolated from these plants and identified as a strain of eggplant mottled crinkle virus based on host reactions, in vitro properties, icosahedral particle morphology, buoyant density (1.39 g cm3), molecular weight (41 ± 0.5 kDa) of coat protein subunits and serological relationships
    Type of Medium: Electronic Resource
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  • 13
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Journal of food science 52 (1987), S. 0 
    ISSN: 1750-3841
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Process Engineering, Biotechnology, Nutrition Technology
    Notes: Kinetics of liquid water sorption by soybean (Glycine max) and pigeonpea (Cajanus cajan) seeds was studied at several temperatures. The data could be accurately correlated in terms of an empirical model involving a single rate constant. The temperature dependence of the rate constant followed Arrhenius relation. Swelling of grains due to water sorption was slightly less than the volume of water imbibed. This loss related to the energy of activation of the water sorption process.
    Type of Medium: Electronic Resource
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  • 14
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Journal of fish biology 34 (1989), S. 0 
    ISSN: 1095-8649
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Type of Medium: Electronic Resource
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  • 15
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Journal of oral pathology & medicine 15 (1986), S. 0 
    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
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  • 16
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Journal of oral pathology & medicine 14 (1985), S. 0 
    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
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  • 17
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Journal of oral pathology & medicine 17 (1988), S. 0 
    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
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  • 18
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Journal of oral pathology & medicine 13 (1984), S. 0 
    ISSN: 1600-0714
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: TPA, a tumor promoter whose initial site of action is the cell membrane, was examined for its actions on hamster oral mucosa using light and scanning electron-microscopic procedures. Hamster check-pouch explants were cultured in vitro, then treated for 72 h with 1.6 × 10−8 M TPA. Treated cultures showed a higher mitotic index and more extensive growth than control cultures. Epithelial cells in the control cultures appeared polygonal, with thin, small to medium microvilli. The cells in the treated cultures showed variable shape and surface morphology. Some were interconnected by broad cytoplasmic extensions while others demonstrated long, thin processes that traversed great distances. The unusual surface morphology may be a manifestation of altered phospholipid metabolism that produces a more “fluid” cytoplasmic membrane.
    Type of Medium: Electronic Resource
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  • 19
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Journal of oral pathology & medicine 12 (1983), S. 0 
    ISSN: 1600-0714
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Epithelial outgrowths from hamster cheek pouch explants were cultured for 14 days in media containing calcium concentrations of 0.05 mM, 0.075 mM, 0.1 mM, 0.25 mM, 0.75 mM or 1.45 mM (control). Compared with controls, the cultures grown at lower calcium concentrations (0.25–0.75 mM), exhibited higher mitotic indices and an increase in outgrowth size. The mitotic index of cultures at 0.25 mM calcium concentration was 30 ± 2.26, compared to 24 ± 2.24 for controls. Increase in size of the outgrowths was also observed at 0.25 mM calcium concentration compared with those grown in control medium. The epithelial outgrowths grown in control media exhibited cell stratification not observed at lower calcium concentrations. These studies indicate that lower calcium concentration in the media (0.25–0.75 mM) increased epithelial cell proliferation and inhibited keratinization.
    Type of Medium: Electronic Resource
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  • 20
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Journal of advanced nursing 7 (1982), S. 0 
    ISSN: 1365-2648
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: As a part of an ongoing larger study concerned with nurse manpower planning, an attempt has been made to investigate the reasons for the non-participation in the labour force of such a large proportion of qualified nurses. In an attempt to collect information on this topic a questionnaire was developed and distributed to a sample of nurses. The article describes in some detail the two different ways in which the names and addresses of the sample were generated. The first method involved making contact by the simple expedient of dropping leaflets through letterboxes while the second involved tracing respondents through their last known address when they originally qualified. The success of these two approaches is contrasted which should be of value to anyone contemplating a similar name-capturing exercise. A total of 2325 questionnaires were returned and computer analysed. This article presents the results of one part of that analysis i.e. the factor analysis conducted on the attitudinal questions contained in the document. A five-factor solution yielded highly interpretable results and the factor loadings are presented along with the pattern of responses. The factor scores are then contrasted for three different groups of respondents: the grouping being based on whether the respondent was working full-time, part-time or not at all.
    Type of Medium: Electronic Resource
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