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Uptake of polycyclic aromatic hydrocarbon compounds by the gills of the bivalve mollusk Elliptio complanata

✍ Scribed by Karen Birdsall; Jerome J. Kukor; Marcos A. Cheney

Publisher
John Wiley and Sons
Year
2001
Tongue
English
Weight
130 KB
Volume
20
Category
Article
ISSN
0730-7268

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✦ Synopsis

Abstract

Polycyclic aromatic hydrocarbons (PAHs) and herbicides are important contaminants of world water systems with effects on aquatic organisms. The uptake of naphthalene, anthracene, and chrysene by gills of the bivalve mollusk Elliptio complanata was determined. Additionally, the effects of paraquat, atrazine, alachlor, 2,4‐dichlorophenoxyacetic acid (2,4‐D), and 2,4‐dinitrophenol on the uptake of these compounds were also determined. The results indicate (1) the uptake of anthracene is approximately equivalent to that of chrysene and the uptake of either of these compounds is higher than that of naphthalene; (2) comparisons of uptakes with that of inulin, which occupies only extracellular space, show that all compounds studied are taken up; (3) the uptakes of naphthalene, anthracene, and chrysene are initially altered by the presence of herbicides such as paraquat, alachlor, 2,4‐D, atrazine, and 2,4‐dinitrophenol.

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✍ Marcos A. Cheney; Karen Birdsall; Jerome J. Kukor 📂 Article 📅 2001 🏛 John Wiley and Sons 🌐 English ⚖ 130 KB 👁 1 views

## Abstract Polycyclic aromatic hydrocarbons (PAHs) are important contaminants of world water resources, with effects on aquatic life. Metabolic responses to short‐term acute toxicities of naphthalene, anthracene, and chrysene were investigated in the freshwater bivalve mollusk __Elliptio complanat