EMCB-ENVIS Node ENVIRONMENTAL BIOTECHNOLOGY
EMCB-ENVIS Node ENVIRONMENTAL BIOTECHNOLOGY
EMCB-ENVIS Node ENVIRONMENTAL BIOTECHNOLOGY
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<strong>EMCB</strong>-<strong>ENVIS</strong> Centre<br />
much earlier than for S. alpinus. According to our data, the high differences observed in the<br />
inorganic mercury uptake, bioaccumulation, and gills damages strongly suggest that T. zonatus is<br />
more sensitive to inorganic mercury pollution than S. alpinus. Further studies are urgently<br />
needed to determine whether the high sensitivity observed for T. zonatus to inorganic Hg is also<br />
present in the majority of tropical species or whether this species presents an isolated case.<br />
Cevdet Uguz, Mesude Iscan, Ayse Ergüven, Belgin Isgor and Inci Togan. (Afyon Kocatepe<br />
Universitesi, Veteriner Fakultesi, A.N. Sezer Kampusu, 03100, Afyon, Turkey. Department<br />
of Biological Sciences, Middle East Technical University, 06531, Ankara, Turkey).<br />
The bioaccumulation of nonyphenol and its adverse effect on the liver of rainbow<br />
trout (Onchorynchus mykiss). Environmental Research, 92(3) (2003), 262-270.<br />
Alkylphenol polyethoxylates (APEs) are widely used as nonionic surfactants. Nonylphenol (NP),<br />
one of the derivatives of APEs, has been found in the aquatic environment in ranges from<br />
nanograms per liter to milligrams per liter. In this study, juvenile rainbow trout were exposed to<br />
0 (control), 66, 220, or 660 g NP/L for up to 28 days. Fish remained healthy under NP<br />
exposures of 0, 66, and 220 g/L for the length of the experiment. All fish died after 4 days of<br />
exposure to 660 g NP/L. Time-dependent NP bioaccumulation was detected in the tissues of<br />
fish exposed to 220 g NP/L (P
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