2001
DOI: 10.1897/1551-5028(2001)020<1890:bapazs>2.0.co;2
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BENZO[a]PYRENE AND ZINC SOLUBILIZATION BY DIGESTIVE FLUIDS OF BENTHIC INVERTEBRATES—A CROSS-PHYLETIC STUDY

Abstract: Contaminant bioavailability via digestive exposure was examined for 18 species of marine benthic invertebrates, using incubation of digestive fluids with sediments that were spiked with either radiolabeled benzo-[a]-pyrene (BaP) or zinc. Interphyletic trends in contaminant solubilization were compared with measures of digestive biochemistry, including enzyme activities, surfactancy, pH, and fluid phase organic carbon, amino acids, and lipids. Contaminant solubilization ranged from values equal to that of a sea… Show more

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Cited by 28 publications
(62 citation statements)
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References 25 publications
(40 reference statements)
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“…Ingestion of contaminated sediment is a major route of exposure to hydrophobic organic contaminants for deposit feeders [20,22,27,28]. Benthic organisms can accumulate contaminants through interstitial water and dietary exposures.…”
Section: Biological Aspects Of Bioavailabilitymentioning
confidence: 99%
“…Ingestion of contaminated sediment is a major route of exposure to hydrophobic organic contaminants for deposit feeders [20,22,27,28]. Benthic organisms can accumulate contaminants through interstitial water and dietary exposures.…”
Section: Biological Aspects Of Bioavailabilitymentioning
confidence: 99%
“…Other examples of extraction methods are provided in the review by Hunter et al (2011). Biological extractants such as digestive fluids of endobenthic invertebrates (polychaetes, sipunculans) and fish have been also used for the extraction of trace elements, polyaromatic hydrocarbons (PAHs), or PCBs (Mayer et al, 1996(Mayer et al, , 2001Weston and Maruya, 2002;Goto and Wallace, 2009;Baumann et al, 2012;Wang et al, 2012). Artificial gut fluids consisting of chemical extractants able to recreate conditions relatively similar to those encountered in guts of invertebrates or fish were also used, such as acid solutions at physiological pH levels for metal extraction (Amiard et al, 1995Ettajani et al, 1996;Peña-Icart et al, 2014) or sodium dodecyl sulfate for PAHs (Ahrens et al, 2005).…”
Section: Bioavailability From Sedimentmentioning
confidence: 99%
“…Deposit-feeding detritivores can be distinguished from her bivores (or other live-cell feeders) by high enzyme activities (especially protease) and high surfactancies (Mayer et al, 1997(Mayer et al, , 2001Ahrens et al, 2001aAhrens et al, , 2001b. They subsist on food that is poor, dilute, and remarkably variable in digestibility and nutri tional quality (Lopez and Levinton, 1987).…”
Section: A New Paradigm?mentioning
confidence: 99%