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    <title>Detection of estrogenic substances and their distribution patterns in the marine environment</title>
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  <abstract type="Summary">In addition to endogenous natural sex hormones (estrogens), other substances can also exert an estrogenic effect on organisms. Due to the possible impairment of the endocrine system, these substances are classified as endocrine disruptors. In this work, surface water samples from the Baltic Sea and the South China Sea were analyzed for estrogenic substances and estrogenic activity using instrumental analysis and an effect-based bioassay. It was found that both natural and synthetic estrogenic substances are present in both areas and that they are influenced seasonally and regionally.&lt;eng&gt;</abstract>
  <abstract type="Summary">Neben körpereigenen natürlichen Sexualhormonen (Östrogene) können auch andere Stoffe eine östrogene Wirkung auf Organismen ausüben. Aufgrund der möglichen Beeinträchtigung des Hormonsystems werden diese Stoffe als endokrine Disruptoren eingestuft. In dieser Arbeit wurden Oberflächenwasser aus der Ostsee und dem Südchinesischen Meer mittels instrumenteller Analytik und eines wirkungsbasierten Bioassays auf östrogene Substanzen und östrogene Aktivität untersucht. Es konnten sowohl natürliche als auch synthetische östrogene Substanzen in beiden Gebieten detektiert werden.&lt;ger&gt;</abstract>
  <note type="statement of responsibility">vorgelegt von Carina Deich</note>
  <note>Enthält Zeitschriftenartikel</note>
  <note>GutachterInnen: Joanna J. Waniek (Leibniz-Institut für Ostseeforschung Warnemünde) ; Detlef E. Schulz-Bull (Leibniz-Institut für Ostseeforschung Warnemünde) ; Roger Francois (University of British Columbia, Canada)</note>
  <note type="thesis">Dissertation Universität Rostock 2021 Kumulative Dissertation</note>
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      <title>Detection of estrogenic substances and their distribution patterns in the marine environment</title>
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      <namePart>Deich, Carina, 1993 - </namePart>
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