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Träfflista för sökning "WFRF:(Norrgren L) srt2:(1995-1999)"

Sökning: WFRF:(Norrgren L) > (1995-1999)

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  • Adler, Niclas, et al. (författare)
  • Integrationdriven Development
  • 1997
  • Ingår i: Proceedings : the creation of prosperity, business and work opportunities through technology management. - Stockholm : Swedish Society of Mechanical Engineers, Naval Architects and Aeronautical Engineers. - 9163056119
  • Konferensbidrag (övrigt vetenskapligt/konstnärligt)
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  • Norrgren, L, et al. (författare)
  • Effects of potential xenoestrogens (DEHP, nonylphenol and PCB) on sexual differentiation in juvenile Atlantic salmon (Salmo salar)
  • 1999
  • Ingår i: Aquatic Ecosystem Health & Management. - : Michigan State University Press. - 1463-4988 .- 1539-4077. ; 2:3, s. 311-317
  • Tidskriftsartikel (refereegranskat)abstract
    • The effects of 17β-estradiol and potential xenoestrogens were investigated on Atlantic salmon (Salmo salar). Juvenile salmon fed diets containing 15 and 30 mg 17β-estradiol kg−1 food for 4 weeks after yolk-sac resorption differentiated into 88 and 100% phenotypic females, respectively. The reference group, fed uncontaminated food, consisted of 49% females. A significant overrepresentation of phenotypic females (64%) was recorded in the group fed 1500 mg di-2-ethylhexyl phthalate kg−1 food. Atlantic salmon fed diets contaminated with nonylphenol showed no differences in sex ratios compared with the control group. A significantly increased liver somatic index was detected for groups exposed to diets contaminated with 15 and 30 mg 17β-estradiol, 300 mg nonylphenol or 1500 mg di-2-ethylhexyl phthalate kg−1 food. Intraperitoneal injections of nonylphenol, di-2-ethylhexyl phthalate, or polychlorinated biphenyls 58, 104, 112 and 188 did not induce synthesis of vitellogenin which is considered to be a hallmark for estrogenic activity in in vivo testing. Therefore, in vivo assays, that is, intraperitoneal injection, can not always predict how endocrine processes in organisms are affected by pollutants.
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