Carsten Sommer

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Migrating duck populations in Wisconsin were evaluated during a one-year period for exposure to Aspergillus fumigatis by two serodiagnostic methods: immunodiffusion and countercurrent immunoelectrophoresis. Peak antibody reactivity to sporulating culture extracts of the fungus was detected in serum samples collected in winter. Antibody levels did not differ(More)
90% der ersten Wege eines Tages beginnen an der eigenen Wohnung [Mo08]. Die tagtägliche Entscheidung für das Verkehrsmittel hängt somit wesentlich von der Wohnsituation und dem Wohnumfeld ab. Der öffentliche Verkehr soll bei dieser Entscheidung stärker berücksichtigt werden. Dabei ergibt sich eine Win-Win-Situation für alle Beteiligten: für die Nutzer ein(More)
The effects of environmental stress conditions on the defense response of rainbow trout following a four week exposure to subacute levels of un-ionized ammonia or temperatures 5 C above and 5 C below the temperature optimum (15 C) were investigated. These experimental studies can serve as a model to evaluate the metabolic response of fish to external agents(More)
Murine histocompatibility antigens were solubilized from the spleens and lungs of C57BL/6 (H-2b) animals with hypertonic salt (3 M KC1). Aggregate-free soluble antigens were incubated with nonadherent lymph node cells from BALB/c (H-2d) mice for 18 hr prior to their use as responder cells in the mixed-lymphocyte reaction (MLR). It was found that the(More)
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