Document Detail

Heavy metals and selenium in stranded dolphins of the northern Tyrrhenian (NW Mediterranean).
MedLine Citation:
PMID:  1631534     Owner:  NLM     Status:  MEDLINE    
Heavy metal (Hg, Cd, Pb and Zn) and selenium levels were determined in striped (Stenella coeruleoalba) and bottle-nosed dolphins (Tursiops truncatus) stranded along the coast of Tuscany and Latium, Italy in the period 1987-1989. Lead and zinc concentrations were quite low and there was modest accumulation of cadmium in the kidney of both species. Mercury levels were very high, especially in the liver where they reached peaks of 4400 ppm (dry weight) in the striped dolphin and 13,150 ppm (dry weight) in the bottle-nosed dolphin. Selenium levels were also high and were significantly correlated with mercury levels in some organs and tissues. The toxicological significance of the selenium-mercury interaction is discussed.
C Leonzio; S Focardi; C Fossi
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  The Science of the total environment     Volume:  119     ISSN:  0048-9697     ISO Abbreviation:  Sci. Total Environ.     Publication Date:  1992 Jun 
Date Detail:
Created Date:  1992-08-20     Completed Date:  1992-08-20     Revised Date:  2003-11-14    
Medline Journal Info:
Nlm Unique ID:  0330500     Medline TA:  Sci Total Environ     Country:  NETHERLANDS    
Other Details:
Languages:  eng     Pagination:  77-84     Citation Subset:  IM    
Dipartimento di Biologia Ambientale, Universitá di Siena, Italy.
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MeSH Terms
Brain Chemistry
Cadmium / analysis
Kidney / chemistry
Lead / analysis
Liver / chemistry
Mediterranean Sea
Mercury / analysis
Metals / analysis*
Muscles / chemistry
Selenium / analysis*
Spectrophotometry, Atomic / methods
Zinc / analysis
Reg. No./Substance:
0/Metals; 7439-92-1/Lead; 7439-97-6/Mercury; 7440-43-9/Cadmium; 7440-66-6/Zinc; 7782-49-2/Selenium

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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