Dietary CdSe/ZnS quantum dot exposure in estuarine fish: Bioavailability, oxidative stress responses, reproduction, and maternal transfer

Blickley, T. Michelle; Matson, Cole W.; Vreeland, Wyatt N.; Rittschof, Daniel; Giulio, Richard T. Di; McClellan‐Green, Patricia

doi:10.1016/j.aquatox.2013.12.021

Cited by 49 publications

(29 citation statements)

References 83 publications

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“…Dietary studies have been conducted on invertebrates and fish, although data remain sparse (Croteau et al 2011a(Croteau et al , 2011bKhan et al 2013b). Feeding studies do show that fish will eat food contaminated with NMs and continue to grow (e.g., nano-TiO 2 : Ramsden et al 2009; quantum dots: Blickley et al 2014), but the details of changes in individual nutrients or the long-term health of the gut (or animal) are not known. Processes critical to feeding and digestive physiology are disrupted by ingestion of NMs by snails, sometimes at very low concentrations (e.g., Ag concentrations of 1-5 mg/g in the diet: Croteau et al 2011bCroteau et al , 2014.…”

Section: Dietary Exposuresmentioning

confidence: 99%

Nanomaterials in the environment: Behavior, fate, bioavailability, and effects—An updated review

Lead

Batley

Alvarez

et al. 2018

Enviro Toxic and Chemistry

480

250

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The present review covers developments in studies of nanomaterials (NMs) in the environment since our much cited review in 2008. We discuss novel insights into fate and behavior, metrology, transformations, bioavailability, toxicity mechanisms, and environmental impacts, with a focus on terrestrial and aquatic systems. Overall, the findings were that: 1) despite substantial developments, critical gaps remain, in large part due to the lack of analytical, modeling, and field capabilities, and also due to the breadth and complexity of the area; 2) a key knowledge gap is the lack of data on environmental concentrations and dosimetry generally; 3) substantial evidence shows that there are nanospecific effects (different from the effects of both ions and larger particles) on the environment in terms of fate, bioavailability, and toxicity, but this is not consistent for all NMs, species, and relevant processes; 4) a paradigm is emerging that NMs are less toxic than equivalent dissolved materials but more toxic than the corresponding bulk materials; and 5) translation of incompletely understood science into regulation and policy continues to be challenging. There is a developing consensus that NMs may pose a relatively low environmental risk, but because of uncertainty and lack of data in many areas, definitive conclusions cannot be drawn. In addition, this emerging consensus will likely change rapidly with qualitative changes in the technology and increased future discharges.

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Section: Dietary Exposuresmentioning

confidence: 99%

Nanomaterials in the environment: Behavior, fate, bioavailability, and effects—An updated review

Lead

Batley

Alvarez

et al. 2018

Enviro Toxic and Chemistry

480

250

View full text Add to dashboard Cite

show abstract

“…Defenses, especially enhanced activities of CAT and GST, may be insufficient to prevent ROS generation and the associated apoptosis mechanism. Recently, Bickley et al [34] studied reproductively active adult fish (F. heteroclitus) that had been exposed to CdSe and ZnS quantum dots in the diet; they found no changes in oxidative stress responses but did find decreased trends in fecundity, suggesting that chronic quantum dot exposure could have consequences at the population level. In zebrafish (Danio rerio) exposed to quantum dots, developmental and behavioral abnormalities have been shown in addition to the generation of ROS [17,18].…”

Section: Controlmentioning

confidence: 99%

Cadmium sulfide quantum dots induce oxidative stress and behavioral impairments in the marine clam Scrobicularia plana

Buffet

Zalouk-Vergnoux

Poirier

et al. 2015

Enviro Toxic and Chemistry

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Cadmium sulfide (CdS) quantum dots have a number of current applications in electronics and solar cells and significant future potential in medicine. The aim of the present study was to examine the toxic effects of CdS quantum dots on the marine clam Scrobicularia plana exposed for 14 d to these nanomaterials (10 µg Cd L(-1) ) in natural seawater and to compare them with soluble Cd. Measurement of labile Cd released from CdS quantum dots showed that 52% of CdS quantum dots remained in the nanoparticulate form. Clams accumulated the same levels of Cd regardless of the form in which it was delivered (soluble Cd vs CdS quantum dots). However, significant changes in biochemical responses were observed in clams exposed to CdS quantum dots compared with soluble Cd. Increased activities of catalase and glutathione-S-transferase were significantly higher in clams exposed in seawater to Cd as the nanoparticulate versus the soluble form, suggesting a specific nano effect. The behavior of S. plana in sediment showed impairments of foot movements only in the case of exposure to CdS quantum dots. The results show that oxidative stress and behavior biomarkers are sensitive predictors of CdS quantum dots toxicity in S. plana. Such responses, appearing well before changes might occur at the population level, demonstrate the usefulness of this model species and type of biomarker in the assessment of nanoparticle contamination in estuarine ecosystems.

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“…Joo et al (2013) studied the effects of AgNPs on the diadromous fish Oncorhynchus mykiss at different salinities. Estuarine fish were used to study the effects of exposure to dietary CDSe/ZnS quantum dot on reproduction, development, and physiological functions (Blickley et al, 2014). Only one in vitro study of the effects of TiO 2 -NP on cetaceans has been carried out (Bernardeschi et al, 2010).…”

Section: Introductionmentioning

confidence: 99%

Genotoxicity, potential cytotoxicity and cell uptake of titanium dioxide nanoparticles in the marine fish Trachinotus carolinus (Linnaeus, 1766)

Vignardi¹,

Hasue²,

Sartorio³

et al. 2015

Aquatic Toxicology

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Dietary CdSe/ZnS quantum dot exposure in estuarine fish: Bioavailability, oxidative stress responses, reproduction, and maternal transfer

Cited by 49 publications

References 83 publications

Nanomaterials in the environment: Behavior, fate, bioavailability, and effects—An updated review

Nanomaterials in the environment: Behavior, fate, bioavailability, and effects—An updated review

Cadmium sulfide quantum dots induce oxidative stress and behavioral impairments in the marine clam Scrobicularia plana

Genotoxicity, potential cytotoxicity and cell uptake of titanium dioxide nanoparticles in the marine fish Trachinotus carolinus (Linnaeus, 1766)

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