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  • 1
    Electronic Resource
    Electronic Resource
    A material isolated from human hands that attracts female mosquitoes (1982)
    Springer
    Journal of chemical ecology 8 (1982), S. 429-438 
    Details
    ISSN: 1573-1561
    Keywords: Attractants ; human ; mosquito ; collection ; concentration ; Aedes aegypti ; Anopheles quadrimaculatus ; Diptera ; Culicidae
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract The residue left on glass surfaces by human hands was found to be attractive to femaleAedes aegypti (L.) andAnopheles quadrimaculatus Say mosquitoes. The material lost half of its activity in 1 hr. A solvent wash technique was developed to recover and concentrate the residuum from handled glass beads. The residuum could be recovered effectively with absolute ethanol and less effectively with several other solvents. More mosquitoes were attracted to heated than to unheated residuum, an indication of its volatility. Also, attraction of the residuum decreased with decreasing concentration or dose. Concentrated residuum collections, stored under refrigeration and tested for longevity, showed no appreciable loss of attractiveness up to 60 days of storage.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00987791
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Cytochemical localisation of ATPase activity on the plasmalemma ofChara corallina (1983)
    Springer
    Protoplasma 116 (1983), S. 65-74 
    Details
    ISSN: 1615-6102
    Keywords: ATPase cytochemistry ; Chara corallina ; Plasmalemma ; Proton efflux ; Plasmalemmasome
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary Cytochemical adenosine triphosphatase (ATPase) activity is localised on the plasmalemma and in the tubules of plasmalemmasomes (PLSs) of cells ofChara corallina. Results obtained with centrifuged cells, with only the plasmalemma remaining, tend to confirm that this membrane is the major source of ATPase activity. X-ray microanalysis indicates that ATPase reaction deposits are most likely lead phosphate. ATPase activity is also evident on the chloroplast envelope, the mitochondrial outer membrane, the tonoplast and associated vesicles and commonly throughout the cytoplasm. Results are discussed in relation to the possibilities that the plasmalemma ATPase is a proton pumping ATPase and that the PLS may play a role in enhanced proton efflux.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01294232
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
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