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  • 1
    Electronic Resource
    Electronic Resource
    The effect of additives on the morphology of zinc electrodeposited from a zinc chloride electrolyte at high current densities (1981)
    Springer
    Journal of applied electrochemistry 11 (1981), S. 677-683 
    Details
    ISSN: 1572-8838
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Electrical Engineering, Measurement and Control Technology
    Notes: Abstract There are advantages if zinc can be deposited electrochemically at high current densities. In order to improve the deposit at current densities exceeding 2000 Am−2, various additions were made to the electrolyte. It was found that proteinous additives produced planar deposits with a (10.2) (10.3) orientation and a current efficiency of around 85% in a small laboratory cell.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00615170
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  • 2
    Electronic Resource
    Electronic Resource
    The conductivity of aqueous zinc chloride solutions (1982)
    Springer
    Journal of applied electrochemistry 12 (1982), S. 1-5 
    Details
    ISSN: 1572-8838
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Electrical Engineering, Measurement and Control Technology
    Notes: Abstract The conductivity of aqueous zinc chloride reaches a maximum of 10.7 Ω−1 m−1 at 3.7 M ZnCl2. Measurements on chlorinated ZnCl2 showed that at low chlorine concentrations, the conductivity increased linearly with the square root of the chlorine concentration. The increase was due to the three species: dissolved chlorine, Cl 3 − and HClO. Ammonium chloride additions increased the conductivity of aqueous zinc chloride substantially.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01112058
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  • 3
    Electronic Resource
    Electronic Resource
    Chronic exposure of goldfish-derived cell cultures to toxaphene alters the replication of Goldfish Virus-2 (1982)
    Springer
    Bulletin of environmental contamination and toxicology 29 (1982), S. 731-733 
    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/BF01606114
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  • 4
    Electronic Resource
    Electronic Resource
    Uptake and toxicity of toxaphene to cell cultures derived from goldfish (Carassius auratus) (1982)
    Springer
    Bulletin of environmental contamination and toxicology 29 (1982), S. 68-75 
    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/BF01606091
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  • 5
    Electronic Resource
    Electronic Resource
    Toxicity of certain insecticides to protozoa (1982)
    Springer
    Bulletin of environmental contamination and toxicology 28 (1982), S. 628-631 
    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/BF01605596
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  • 6
    Electronic Resource
    Electronic Resource
    A simple method for obtaining cultures enriched for Type II pneumonocytes from fetal rabbit (1982)
    Springer
    Methods in cell science 7 (1982), S. 63-68 
    Details
    ISSN: 1573-0603
    Keywords: fetal lung ; Type II cells ; culture
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary A differential plating method permitted preparation of cultures significantly enriched for Type II pneumocytes. These cells were maintained in a differentiated state for at least 12 d, identifiable morphologically (by presence of osmiophilic lamellar inclusion bodies) and bio-chemically (by demonstration of synthesis of phosphatidyl choline and production of disaturated lecithin).
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01665911
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  • 7
    Electronic Resource
    Electronic Resource
    Calmodulin-like activity in a mineralising tissue: The rat molar tooth germ (1981)
    Springer
    Calcified tissue international 33 (1981), S. 545-548 
    Details
    ISSN: 1432-0827
    Keywords: calmodulin ; calcium ; mineralisation ; tooth germ
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine , Physics
    Notes: Summary Calmodulin, a calcium binding protein, has been implicated in the regulation of many calcium-dependent biological processes. Since calcium has an important role in hard tissue genesis, both at intra- and extracellular levels, we anticipate that calcium binding proteins may modulate this process. The present study investigated a mineralising tissue, the rat molar tooth germ, to determine the presence of calmodulin-like activity. A heat-treated cell-free extract of tooth germs provided enhancement of Ca2+-dependent Mg2+-ATPase and 3′:5′-nucleotide phosphodiesterase activity. No enhancement occurred in the absence of calcium or in the presence of trifluoperazine. SDS-polyacrylamide gel electrophoresis of this extract revealed a protein band of approximately 18,000 mol. wt. These findings indicate the presence of calmodulin-like activity in rat molar tooth germs and support the proposal that calcium and calcium binding proteins, in particular calmodulin, have a major regulatory role in the biology of mineralising tissues.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02409487
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  • 8
    Electronic Resource
    Electronic Resource
    Human β-galactosidase and α-neuraminidase deficient mucolipidosis: Genetic complementation analysis of the neuraminidase deficiency (1982)
    Springer
    Human genetics 〈Berlin〉 60 (1982), S. 158-162 
    Details
    ISSN: 1432-1203
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary Human β-galactosidase and α-neuraminidase deficient mucolipidosis [ML(gal-neur-)] is an inherited lysosomal enzymopathy which recently was designated as a sialidosis. We analyzed the neuraminidase deficiency of this disorder with genetic complementation analyses using a heterokaryon enrichment procedure. The genetic defects of two apparent variants of this disorder complemented the defects of the neuraminidase deficiency diseases, sialidosis I and mucolipidosis I, resulting in the restoration of neuraminidase activity in heterokaryons. The neuraminidase deficiency, therefore, may not be the primary defect in ML(gal-neur-) and is not an appropriate test for determining carrier status. The clinical and biochemical characteristics of this disorder suggest that a post-translational or processing event for these enzymes may be defective. The defect, however, is different from I-cell disease and pseudo-Hurler polydystrophy, two disorders of post-translational lysosomal enzyme biosynthesis, since complementation studies demonstrated recovery of intracellular β-galactosidase and α-neuraminidase levels in heterokaryons. The lack of human β-galactosidase expression in man-mouse somatic cell hybrids formed from fibroblasts of the infantile onset type disorder suggests that the defect is not corrected by the mouse genome. The ML(gal-neur-) disorder therefore appears to be a distinct subtype of the inherited neuraminidase deficiencies in which the defect may occur in a post-translational or regulatory step which coordinately affects the expression of lysosomal β-galactosidase and α-neuraminidase.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00569704
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  • 9
    Electronic Resource
    Electronic Resource
    Cytogerontology since 1881: A reappraisal of August Weismann and a review of modern progress (1982)
    Springer
    Human genetics 〈Berlin〉 60 (1982), S. 101-121 
    Details
    ISSN: 1432-1203
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary Cytogerontology, the science of cellular ageing, originated in 1881 with the prediction by August Weismann that the somatic cells of higher animals have limited division potential. Weismann's prediction was derived by considering the role of natural selection in regulating the duration of an organism's life. For various reasons, Weismann's ideas on ageing fell into neglect following his death in 1914, and cytogerontology has only reappeared as a major research area following the demonstration by Hayflick and Moorhead in the early 1960s that diploid human fibroblasts are restricted to a finite number of divisions in vitro. In this review we give a detailed account of Weismann's theory, and we reveal that his ideas were both more extensive in their scope and more pertinent to current research than is generally recognised. We also appraise the progress which has been made over the past hundred years in investigating the causes of ageing, with particular emphasis being given to (i) the evolution of ageing, and (ii) ageing at the cellular level. We critically assess the current state of knowledge in these areas and recommend a series of points as primary targets for future research.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00569695
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  • 10
    Electronic Resource
    Electronic Resource
    Assignment of the glyoxalase II gene (HAGH) to human chromosome 16 (1981)
    Springer
    Human genetics 〈Berlin〉 58 (1981), S. 358-361 
    Details
    ISSN: 1432-1203
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary The human and rodent forms of glyoxalase II (hydroxyacylglutathione hydrolase, HAGH) can readily be separated by starch gel electrophoretic procedures. Fifty-one human-rodent somatic cell hybrid clones were examined for their human HAGH and for human enzyme markers whose genes are encoced on each autosome and the X chromosome. Sixteen clones were also examined for their human karyotypes. Human glyoxalase II segregated only with chromosome 16, demonstrating that the gene is located on this chromosome.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00282815
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