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  • Alcoholism/*etiology  (1)
  • Biochemistry and Biotechnology  (1)
  • General Chemistry
  • 1975-1979  (2)
  • 1
    Electronic Resource
    Electronic Resource
    Effect of environmental parameters on the efficiency of biodegradation of basalt rock by fungi (1979)
    New York, NY [u.a.] : Wiley-Blackwell
    Biotechnology and Bioengineering 21 (1979), S. 875-885 
    Details
    ISSN: 0006-3592
    Keywords: Chemistry ; Biochemistry and Biotechnology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Process Engineering, Biotechnology, Nutrition Technology
    Notes: The biodegradation of an aluminum-bearing (basalt) rock by Penicillium simplicissimum has been investigated. This organism grows on a sugar substrate and releases organic acid compounds. These acids interact with the mineral matter and cause their partial decomposition. The dissolved metals are then complexed by the excess organic acids. The activity of the fungi was found to be optimum at an initial pH 7 and in the presence of 5% (w/v) substrate concentration. In 30 days of leaching almost 20% of the aluminum in the rock was solubilized and the pH was decreased from 7 to less than 3.5 in the inoculated flasks. The controls showed less than 1% of the aluminum solubilized and the final pH dropped to only 6.8. A surface characterization study performed by scanning electron microscopy indicated that the specific mineralogical phases containing aluminum and iron within this host rock were preferentially corroded. The mineral phases containing olivine and plagioclase were found to be least resistant, while phases containing titanium were most resistant to the acids released by the fungi.
    Additional Material: 4 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/bit.260210510
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    Paper (German National Licenses)
    Fulltext
  • 2
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    Sustained release of alcohol: subcutaneous silastic implants in mice (1978)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1978-03-31
    Description: A sustained-release device for use in ethanol dependence studies in mice is described. The Silastic device, dubbed SERT (sustained ethanol release tube), holds 0.35 milliliter of 95 percent ethanol (by volume) and is implanted under the skin of the back where it releases ethanol for up to 12 hours, with no observable tissue damage. The device may be adaptable to the release of other volatile liquids or drugs, in other animals.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Erickson, C K -- Koch, K I -- Mehta, C S -- McGinity, J W -- New York, N.Y. -- Science. 1978 Mar 31;199(4336):1457-9.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/564551" target="_blank"〉PubMed〈/a〉
    Keywords: Alcoholic Intoxication/etiology ; Alcoholism/*etiology ; Animals ; *Disease Models, Animal ; Drug Administration Schedule ; Drug Implants ; Drug Tolerance ; Ethanol/*administration & dosage ; Humans ; Mice ; Silicone Elastomers
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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