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Gilroy dw

R S Prosser, P L Gillis, E A M Holman, D Schissler, H Ikert, J Toito, E Gilroy, S Campbell, A J Bartlett, D Milani, J L Parrott, V K Balakrishnan
Substituted phenylamines (SPAs) are incorporated into a variety of consumer products (e.g., polymers, lubricants) in order to increase the lifespan of the products by acting as a primary antioxidant. Based on their physicochemical properties, if SPAs were to enter the aquatic environment, they would likely partition into sediment. No studies to date have investigated the effect of sediment-associated SPAs on aquatic organisms. The current study examined the effect of four SPAs (diphenylamine (DPA); N-phenyl-1-napthylamine (PNA); N-(1,3-dimethylbutyl)-N'-phenyl-1,4-phenylenediamine (DPPDA); 4,4'-methylene-bis[N-sec-butylaniline] (MBA)) on three different life stages of the freshwater mussel, Lampsilis siliquoidea...
October 2017: Environmental Pollution
Ève A M Gilroy, Vimal K Balakrishnan, Keith R Solomon, Ed Sverko, Paul K Sibley
The behaviour and effects of atorvastatin (ATO), carbamazepine (CBZ), and 17α-ethinylestradiol (EE2) were investigated in spiked lake sediments, at concentrations up to 56.5 mg kg(-1)dry weight (dw), with the benthic invertebrates Chironomus dilutus and Hyalella azteca. Desorption constants were calculated in the presence and absence of animals, using linear isotherms, yielding K(d) values of 28.2, 189.0 and 125.1 L kg(-1) (ATO), 73.7, 201.7 and 263.2 L kg(-1) (CBZ), and 114.9, 114.2 and 519.2 L kg(-1) (EE2) for C...
February 2012: Chemosphere
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