Modelling metal interactions at fish gills

Playle, Richard C.

doi:10.1016/s0048-9697(98)00232-0

Cited by 244 publications

(170 citation statements)

References 61 publications

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“…Once bound on the branchial FIGURE 8. Model of Al interactions at fish gills modified from Wood and McDonald (1987) and Playle (1998). The branchial surface is represented, with soft water on the left and blood on the right.…”

Section: Model Representing Al Interactions At Fish Gillsmentioning

confidence: 99%

“…Janes and Playle (1995), Richards and Playle (1998), Playle (1998), andWood et al (1999) are some recent papers that use this approach of modeling metal-gill interactions using conditional equilibrium stability constants to infer metal toxicity. For this modeling exercise, an Al-gill binding component was inserted into MINEQL + , with log K Al-gill = 6.5 (Wilkinson et al, 1990) and 1-µM binding sites.…”

Section: Fluoridementioning

confidence: 99%

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The Bioavailability and Toxicity of Aluminum in Aquatic Environments

Gensemer

Playle

1999

Critical Reviews in Environmental Science and Technology

620

444

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ABSTRACT:In this article we review the biological effects of Al, primarily with respect to the chemical factors controlling Al bioavailability and toxicity, and how its biological effects are best predicted. Our intent is not to duplicate recent reviews on Al chemistry or toxicity, but rather to update the literature since these reviews were published, and to focus on Al speciation and other external chemical influences on Al bioavailability to freshwater biota. Briefly, we first review Al chemistry, with a specific focus on understanding, as well as measuring, Al chemical species of importance to aquatic biota. Next we more comprehensively review Al toxicity and bioavailability to freshwater algae, with a thorough analysis of the relationships between speciation and toxicity, the role of important chemical complexing agents such as P, Si, and organic carbon, as well as the potential for Al to impact algal community structure. A third section reviews the more sparse literature on aquatic higher plants; the fourth section reviews a somewhat more abundant literature of Al toxicity to freshwater invertebrates. We close with an updated review of Al toxicity to fish, again with a focus on mechanisms of toxicity, and the role of Al speciation in controlling bioavailability.

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Section: Model Representing Al Interactions At Fish Gillsmentioning

confidence: 99%

Section: Fluoridementioning

confidence: 99%

The Bioavailability and Toxicity of Aluminum in Aquatic Environments

Gensemer

Playle

1999

Critical Reviews in Environmental Science and Technology

620

444

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“…Biotic ligand models (BLM) were developed to incorporate local bioavailability in risk assessment procedures. The conceptual framework for the BLM is an adaptation of the gill surface interaction model, originally proposed by Pagenkopf [78,79] and more recently utilized by many others (e.g., [80][81][82][83][84]), and the free ion activity model of toxicity, extensively reviewed by e.g., [85,86]. The general framework is illustrated in Figure 4.…”

Section: Risks Assessment In Aquatic Environmentsmentioning

confidence: 99%

Fate of Trace Metals in Anaerobic Digestion

Fermoso

Hullebusch²,

Guibaud

et al. 2015

Biogas Science and Technology

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A challenging, and largely uncharted, area of research in the field of anaerobic digestion science and technology is in understanding the roles of trace metals in enabling biogas production. This is a major knowledge gap and a multifaceted problem involving metal chemistry; physical interactions of metal and solids; microbiology; and technology optimization. Moreover, the fate of trace metals, and the chemical speciation and transport of trace metals in environmentsoften agricultural lands receiving discharge waters from anaerobic digestion processes -is completely unknown but simultaneously represents challenges for environmental protection and opportunities to close process loops in anaerobic biotechnologies. Affiliation 1.

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“…Interestingly, there was a positive and significant correlation (Pearson correlation coefficient 0.81, p ¼ 0.015) between water hardness and the concentration of inherent DOC in the natural waters used in the present study. The bioavailability of Cu is known to be influ enced by a number of water chemistry parameters, including the concentrations of major cations (Ca, Mg, Na) [14,15]. Water hardness has been shown to decrease Cu sensitivity of glochidia in exposures using reconstituted waters.…”

Section: Effect Of Inherent Doc On Copper Toxicitymentioning

confidence: 99%

“…Major ions, including Ca, Mg, and Na, compete with metal ions at the site of uptake [14,15]. Similarly, the presence of ligands, such as dissolved organic carbon (DOC), can bind with the metal ion and reduce its bioavailability [16].…”

Section: Introductionmentioning

confidence: 99%

The effect of natural dissolved organic carbon on the acute toxicity of copper to larval freshwater mussels (glochidia)

Gillis

McGeer

Mackie

et al. 2010

Enviro Toxic and Chemistry

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The present study examined the effect of dissolved organic carbon (DOC), both added and inherent, on Cu toxicity in glochidia, the larvae of freshwater mussels. Using incremental additions of natural DOC concentrate and reconstituted water, a series of acute copper toxicity tests were conducted. An increase in DOC from 0.7 to 4.4 mg C/L resulted in a fourfold increase (36 150 mg Cu/L) in the 24 h median effective concentration (EC50) and a significant linear relationship (r 2 0.98, p 0.0008) between the DOC concentration and the Cu EC50 of Lampsilis siliquoidea glochidia. The ameliorating effect of added DOC on Cu toxicity was confirmed using a second mussel species, the endangered (in Canada) Lampsilis fasciola. The effect of inherent (i.e., not added) DOC on Cu toxicity was also assessed in eight natural waters (DOC 5 15 mg C/L). These experiments revealed a significant relationship between the EC50 and the concentration of inherent DOC (r 2 0.79, p 0.0031) with EC50s ranging from 27 to 111 mg Cu/L. These laboratory tests have demonstrated that DOC provides glochidia with significant protection from acute Cu toxicity. The potential risk that Cu poses to mussel populations was assessed by comparing Cu and DOC concentrations from significant mussel habitats in Ontario to the EC50s. Although overall mean Cu concentration in the mussel's habitat was well below the acutely toxic level given the concentration of DOC, episodic Cu releases in low DOC waters may be a concern for the recovery of endangered freshwater mussels. The results are examined in the context of current Cu water quality regulations including the U.S. Environmental Protection Agency's (U.S. EPA) biotic ligand model.

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Modelling metal interactions at fish gills

Cited by 244 publications

References 61 publications

The Bioavailability and Toxicity of Aluminum in Aquatic Environments

The Bioavailability and Toxicity of Aluminum in Aquatic Environments

Fate of Trace Metals in Anaerobic Digestion

The effect of natural dissolved organic carbon on the acute toxicity of copper to larval freshwater mussels (glochidia)

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