Bioaccumulation of sediment-associated substituted phenylamine antioxidants in Tubifex tubifex and Lampsilis siliquoidea

Substituted phenylamine antioxidants (SPAs) are additives in a variety of commercial polymers (e.g., lubricants, plastics, etc.). Based on their physicochemical properties, if SPAs were to enter an aquatic system, they would likely partition into sediment and have the capacity to bioaccumulate in bi...

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Bibliographic Details
Published in:Ecotoxicology (London) 2018-07, Vol.27 (5), p.578-589
Main Authors: Prosser, R. S., Gillis, P. L., Milani, D., Holman, E. A. M., Ikert, H., Schissler, D., Toito, J., Palabrica, V., Parrott, J. L., Bartlett, A. J., Balakrishnan, V. K.
Format: Article
Language:English
Subjects:
Additives
Aniline
Antioxidants
Aquatic environment
Aquatic invertebrates
Bioaccumulation
Biota
Capacity
Chemical partition
Coefficients
Earth and Environmental Science
Ecology
Ecotoxicology
Environment
Environmental Management
Fresh water
Freshwater
Freshwater molluscs
Gonads
Inland water environment
Lampsilis siliquoidea
Lubricants
Mollusks
Mussels
Naphthalene
Octanol-water partition coefficients
Organic matter
Phenylenediamine
Physicochemical processes
Physicochemical properties
Plastics
Polymers
Sediment
Sediments
Sediments (Geology)
Spas
Substitutes
Tissue
Tubifex tubifex
Viscera
Worms
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Summary:Substituted phenylamine antioxidants (SPAs) are additives in a variety of commercial polymers (e.g., lubricants, plastics, etc.). Based on their physicochemical properties, if SPAs were to enter an aquatic system, they would likely partition into sediment and have the capacity to bioaccumulate in biota. This study investigated the potential of four sediment-associated SPAs, diphenylamine (DPA), N-phenyl-1-naphthalene (PNA), N-(1,3-dimethylbutyl)-N’-phenyl-1,4-phenylenediamine (DPPDA), and 4,4’-methylene-bis[N-sec-butylaniline] (MBA) to accumulate in the tissues of freshwater mussels ( Lampsilis siliquoidea ) and oligochaete worms ( Tubifex tubifex ). Mussels and worms were exposed to sediment spiked with individual SPAs for 28 d. The concentration of SPAs was measured in the gill, gonad, and remaining viscera of the mussels and entire body of the worms. The majority of biota-sediment accumulation factors (28-d BSAFs) for the different tissues of mussels were 
ISSN:0963-9292
1573-3017
DOI:10.1007/s10646-018-1931-7