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  • 1
    ISSN: 1432-119X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Description / Table of Contents: Zusammenfassung Die zelluläre Verteilung von 134Cs in der Skelettmuskulatur von Mäusen wurde histoautoradiographisch untersucht. 4–6 Std nach einer intraperitonealen Applikation von 134CsCl zeigte sich eine starke Anhäufung der 134Cs-Aktivität im Bereich des Sarkolemms. Die Aktivität folgte den Konturen der Muskelzellmembran, ein Befund, der auf eine Adsorption der Cs-Ionen an das Sarkolemm schließen läßt. Innerhalb der Myofibrillen zeigte sich eine an die Querstreifung erinnernde Anordnung der Schwärzungen.
    Notes: Summary The cellular distribution of 134Cs in the skeletal muscle of mice was investigated by histoautoradiography. A relatively high accumulation of 134Cs was found at the sarcolemma 4–6 hours after intraperitoneal application of 134CsCl. This permits the conclusion that Cs-ions are probably adsorbed by the sarcolemma before they are moved into the muscle cell. Within the cell 134Cs seems to be linked with myofibrils at destinct distances similar to those between isotropic and anisotropic bands.
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  • 2
    ISSN: 1432-1955
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Description / Table of Contents: Zusammenfassung Durch intravenöse Verabreichung von Cr-51-Albumin an Ferkel wurde festgestellt, daß der Befall mit Hyostrongylus rubidus zu einem erhöhten gastrointestinalen Plasmaproteinverlust führt. Nach einer Infektionsdosis von 1000 Larven/kg KGW ist er am 25. Tage p.i. etwa fünfmal stärker als bei nichtinfizierten Tieren. Durch 500 Larven/kg KGW beträgt er etwa das dreifache. 3 Tage nach Beseitigung einer patenten Infektion durch 60 mg/kg Cambendazol ist die Durchlässigkeit der Schleimhaut für Plasmaproteine fast wieder normal.
    Notes: Summary Infection of pigs with Hyostrongylus rubidus increased the gastrointestinal loss of plasma proteins as was revealed by intravenously administered Cr-51-albumine. There was about 5 times as much leakage on day 25 p.i. in an animal infected with 1000 larvae/kg body weight, and about 3 times as much in an animal infected with 500 larvae/kg body weight than in an not infected control animal. In an animal which had been treated successfully with Cambendazole® (60 mg/kg body weight) on day 22 p.i. (1000 larvae/kg body weight) leakage almost returned to the normal level 3 days after treatment.
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  • 3
    ISSN: 1573-1561
    Keywords: Sitophilus granarius ; Coleoptera ; Curculionidae ; aggregation pheromone ; granary weevil
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract Evidence for a male-produced aggregation pheromone inSitophilus granarius is reported. Hexane extracts of Tenax®-trapped volatiles from males held on wheat were attractive to both sexes in a multiple-choice olfactometer and pitfall bioassay chamber. A quantitative relationship existed between days of insect exposure on disks and degree of responsiveness. The maximum response was to 35 insect-day-equivalents. Diel-related activity showed both sexes responsive during photophase and nonresponsive during scotophase.
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