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Grønlund SN, Chan WS, D'Amico E, Flodgaard M, Lyngsie G, McCallum ES, Palmqvist A, Sandgaard MH, Santobuono M, Thit A, Selck H. When and How to Conduct Ecotoxicological Tests Using Natural Field-Collected Sediment. ENVIRONMENTAL TOXICOLOGY AND CHEMISTRY 2024; 43:1757-1766. [PMID: 37983724 DOI: 10.1002/etc.5792] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/11/2023] [Revised: 09/01/2023] [Accepted: 11/16/2023] [Indexed: 11/22/2023]
Abstract
In recent years, the sediment compartment has gained more attention when performing toxicity tests, with a growing emphasis on gaining more ecological relevance in testing. Though many standard guidelines recommend using artificially formulated sediment, most sediment studies are using natural sediment collected in the field. Although the use of natural field-collected sediment contributes to more environmentally realistic exposure scenarios and higher well-being for sediment-dwelling organisms, it lowers comparability and reproducibility among studies as a result of, for example, differences in the base sediment depending on sampling site, background contamination, particle size distribution, or organic matter content. The aim of this methodology contribution is to present and discuss best practices related to collecting, handling, describing, and applying natural field-collected sediment in ecotoxicological testing. We propose six recommendations: (1) natural sediment should be collected at a well-studied site, historically and by laboratory analysis; (2) larger quantities of sediment should be collected and stored prior to initiation of an experiment to ensure a uniform sediment base; (3) any sediment used in ecotoxicological testing should be characterized, at the very least, for its water content, organic matter content, pH, and particle size distribution; (4) select spiking method, equilibration time, and experimental setup based on the properties of the contaminant and the research question; (5) include control-, treated similarly to the spiked sediment, and solvent control sediment when appropriate; and (6) quantify experimental exposure concentrations in the overlying water, porewater (if applicable), and bulk sediment at least at the beginning and the end of each experiment. Environ Toxicol Chem 2024;43:1757-1766. © 2023 The Authors. Environmental Toxicology and Chemistry published by Wiley Periodicals LLC on behalf of SETAC.
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Affiliation(s)
- Sara N Grønlund
- Department of Science and Environment, Roskilde University, Roskilde, Denmark
- Department of Wildlife, Fish and Environmental Studies, Swedish University of Agricultural Sciences, Umeå, Sweden
| | - Wing S Chan
- Department of Science and Environment, Roskilde University, Roskilde, Denmark
| | - Elettra D'Amico
- Department of Science and Environment, Roskilde University, Roskilde, Denmark
| | - Mette Flodgaard
- Department of Science and Environment, Roskilde University, Roskilde, Denmark
| | - Gry Lyngsie
- Department of Science and Environment, Roskilde University, Roskilde, Denmark
| | - Erin S McCallum
- Department of Wildlife, Fish and Environmental Studies, Swedish University of Agricultural Sciences, Umeå, Sweden
| | - Annemette Palmqvist
- Department of Science and Environment, Roskilde University, Roskilde, Denmark
| | - Monica H Sandgaard
- Department of Science and Environment, Roskilde University, Roskilde, Denmark
| | - Martina Santobuono
- Department of Science and Environment, Roskilde University, Roskilde, Denmark
| | - Amalie Thit
- Department of Science and Environment, Roskilde University, Roskilde, Denmark
- Environmental and Ecotoxicological Laboratory, DHI, Hørsholm, Denmark
| | - Henriette Selck
- Department of Science and Environment, Roskilde University, Roskilde, Denmark
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2
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Pesce S, Mamy L, Sanchez W, Artigas J, Bérard A, Betoulle S, Chaumot A, Coutellec MA, Crouzet O, Faburé J, Hedde M, Leboulanger C, Margoum C, Martin-Laurent F, Morin S, Mougin C, Munaron D, Nélieu S, Pelosi C, Leenhardt S. The use of copper as plant protection product contributes to environmental contamination and resulting impacts on terrestrial and aquatic biodiversity and ecosystem functions. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2024:10.1007/s11356-024-32145-z. [PMID: 38324154 DOI: 10.1007/s11356-024-32145-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/22/2023] [Accepted: 01/18/2024] [Indexed: 02/08/2024]
Abstract
Copper-based plant protection products (PPPs) are widely used in both conventional and organic farming, and to a lesser extent for non-agricultural maintenance of gardens, greenspaces, and infrastructures. The use of copper PPPs adds to environmental contamination by this trace element. This paper aims to review the contribution of these PPPs to the contamination of soils and waters by copper in the context of France (which can be extrapolated to most of the European countries), and the resulting impacts on terrestrial and aquatic biodiversity, as well as on ecosystem functions. It was produced in the framework of a collective scientific assessment on the impacts of PPPs on biodiversity and ecosystem services in France. Current science shows that copper, which persists in soils, can partially transfer to adjacent aquatic environments (surface water and sediment) and ultimately to the marine environment. This widespread contamination impacts biodiversity and ecosystem functions, chiefly through its effects on phototrophic and heterotrophic microbial communities, and terrestrial and aquatic invertebrates. Its effects on other biological groups and biotic interactions remain relatively under-documented.
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Affiliation(s)
| | - Laure Mamy
- Université Paris-Saclay, INRAE, AgroParisTech, UMR ECOSYS, 91120, Palaiseau, France
| | | | - Joan Artigas
- Université Clermont Auvergne, CNRS, Laboratoire Microorganismes: Génome Et Environnement (LMGE), 63000, Clermont-Ferrand, France
| | - Annette Bérard
- INRAE, Avignon Université, UMR EMMAH, 84000, Avignon, France
| | - Stéphane Betoulle
- Université de Reims Champagne-Ardenne, Normandie Université, ULH, INERIS, SEBIO, UMR-I 02, 51100, Reims, France
| | | | - Marie-Agnès Coutellec
- DECOD (Ecosystem Dynamics and Sustainability), INRAE, Institut Agro-Agrocampus Ouest, IFREMER, Rennes, France
| | - Olivier Crouzet
- OFB, Direction Recherche Et Appui Scientifique, Service Santé-Agri, 78610, Auffargis, France
| | - Juliette Faburé
- Université Paris-Saclay, INRAE, AgroParisTech, UMR ECOSYS, 91120, Palaiseau, France
| | | | | | | | - Fabrice Martin-Laurent
- Agroécologie, Institut Agro, INRAE, Université Bourgogne-Franche-Comté, 21110, Dijon, France
| | | | - Christian Mougin
- Université Paris-Saclay, INRAE, AgroParisTech, UMR ECOSYS, 91120, Palaiseau, France
| | | | - Sylvie Nélieu
- Université Paris-Saclay, INRAE, AgroParisTech, UMR ECOSYS, 91120, Palaiseau, France
| | - Céline Pelosi
- INRAE, Avignon Université, UMR EMMAH, 84000, Avignon, France
| | - Sophie Leenhardt
- INRAE, Directorate for Collective Scientific Assessment, Foresight and Advanced Studies, 75338, Paris, France
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Gräf T, Koch V, Köser J, Fischer J, Tessarek C, Filser J. Biotic and Abiotic Interactions in Freshwater Mesocosms Determine Fate and Toxicity of CuO Nanoparticles. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2023; 57:12376-12387. [PMID: 37561908 DOI: 10.1021/acs.est.3c00493] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/12/2023]
Abstract
Transformation, dissolution, and sorption of copper oxide nanoparticles (CuO-NP) play an important role in freshwater ecosystems. We present the first mesocosm experiment on the fate of CuO-NP and the dynamics of the zooplankton community over a period of 12 months. Increasingly low (0.08-0.28 mg Cu L-1) and high (0.99-2.99 mg Cu L-1) concentrations of CuO-NP and CuSO4 (0.10-0.34 mg Cu L-1) were tested in a multiple dosing scenario. At the high applied concentration (CuO-NP_H) CuO-NP aggregated and sank onto the sediment layer, where we recovered 63% of Cu applied. For the low concentration (CuO-NP_L) only 41% of applied copper could be recovered in the sediment. In the water column, the percentage of initially applied Cu recovered was on average 3-fold higher for CuO-NP_L than for CuO-NP_H. Zooplankton abundance was substantially compromised in the treatments CuSO4 (p < 0.001) and CuO-NP_L (p < 0.001). Community analysis indicated that Cladocera were most affected (bk = -0.49), followed by Nematocera (bk = -0.32). The abundance of Cladocera over time and of Dixidae in summer was significantly reduced in the treatment CuO-NP_L (p < 0.001; p < 0.05) compared to the Control. Our results indicate a higher potential for negative impacts on the freshwater community when lower concentrations of CuO-NP (<0.1 mg Cu L-1) enter the ecosystem.
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Affiliation(s)
- Tonya Gräf
- FB 02 UFT - Centre for Environmental Research and Sustainable Technology, General and Theoretical Ecology, University of Bremen, Leobener Str. 6, 28359 Bremen, Germany
| | - Viviane Koch
- FB 02 UFT - Centre for Environmental Research and Sustainable Technology, General and Theoretical Ecology, University of Bremen, Leobener Str. 6, 28359 Bremen, Germany
| | - Jan Köser
- FB 02 UFT - Centre for Environmental Research and Sustainable Technology, Chemical Process Engineering, University of Bremen, Leobener Str. 6, 28359 Bremen, Germany
| | - Jonas Fischer
- FB 02 UFT - Centre for Environmental Research and Sustainable Technology, General and Theoretical Ecology, University of Bremen, Leobener Str. 6, 28359 Bremen, Germany
| | - Christian Tessarek
- Institute of Solid State Physics, University of Bremen, Otto-Hahn-Allee 1, 6, 28359 Bremen, Germany
| | - Juliane Filser
- FB 02 UFT - Centre for Environmental Research and Sustainable Technology, General and Theoretical Ecology, University of Bremen, Leobener Str. 6, 28359 Bremen, Germany
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4
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Thit A, Sandgaard MH, Sturve J, Mouneyrac C, Baun A, Selck H. Influence of Aging on Bioaccumulation and Toxicity of Copper Oxide Nanoparticles and Dissolved Copper in the Sediment-Dwelling Oligochaete Tubifex tubifex: A Long-Term Study Using a Stable Copper Isotope. FRONTIERS IN TOXICOLOGY 2022; 3:737158. [PMID: 35295142 PMCID: PMC8915916 DOI: 10.3389/ftox.2021.737158] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2021] [Accepted: 08/16/2021] [Indexed: 11/16/2022] Open
Abstract
For engineered metal nanoparticles (NPs), such as copper oxide (CuO) NPs, the sediment is recognized as a major compartment for NP accumulation. Sediment-dwelling organisms, such as the worm Tubifex tubifex, will be at particular risk of metal and metal NP exposure. However, a range of complex transformation processes in the sediment affects NP bioavailability and toxicity as the contamination ages. The objective of this study was to examine bioaccumulation and adverse effects of CuO NPs in T. tubifex compared to dissolved Cu (administered as CuCl2) and the influence of aging of spiked sediment. This was done in a 28-day exposure experiment with T. tubifex incubated in clean sediment or freshly spiked sediment with different concentrations of dissolved Cu (up to 230 μg g−1 dw) or CuO NPs (up to 40 μg g−1 dw). The experiment was repeated with the same sediments after it had been aged for 2 years. To obtain a distinct isotopic signature compared to background Cu, both Cu forms were based on the stable isotope 65Cu (>99%). The 28-day exposure to sediment-associated dissolved 65Cu and 65CuO NPs resulted in a clear concentration-dependent increase in the T. tubifex65Cu body burden. However, despite the elevated 65Cu body burdens in exposed worms, limited adverse effects were observed in either of the two experiments (e.g., above 80% survival in all treatments, low or no effects on the growth rate, feeding rate, and reproduction). Organisms exposed to aged sediments had lower body burdens of 65Cu than those exposed to freshly spiked sediments and we suggest that aging decreases the bioavailability of both 65Cu forms. In this study, the use of a stable isotope made it possible to use environmentally realistic Cu concentrations and, at the same time, differentiate between newly accumulated 65Cu and background Cu in experimental samples despite the high background Cu concentrations in sediment and T. tubifex tissue. Realistic exposure concentrations and aging of NPs should preferably be included in future studies to increase environmental realism to accurately predict the environmental risk of metal NPs.
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Affiliation(s)
- Amalie Thit
- Department of Science and Environment, Roskilde University, Roskilde, Denmark
| | | | - Joachim Sturve
- Department of Biological and Environmental Sciences, University of Gothenburg, Gothenburg, Sweden
| | - Catherine Mouneyrac
- Faculty of Sciences, BIOSSE, Université Catholique de L'Ouest, Angers, France
| | - Anders Baun
- Department of Environmental Engineering, Technical University of Denmark, Kongens Lyngby, Denmark
| | - Henriette Selck
- Department of Science and Environment, Roskilde University, Roskilde, Denmark
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5
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Carboni A, Slomberg DL, Nassar M, Santaella C, Masion A, Rose J, Auffan M. Aquatic Mesocosm Strategies for the Environmental Fate and Risk Assessment of Engineered Nanomaterials. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2021; 55:16270-16282. [PMID: 34854667 DOI: 10.1021/acs.est.1c02221] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
In the past decade, mesocosms have emerged as a useful tool for the environmental study of engineered nanomaterials (ENMs) as they can mimic the relevant exposure scenario of contamination. Herein, we analyzed the scientific outcomes of aquatic mesocosm experiments, with regard to their designs, the ENMs tested, and the end points investigated. Several mesocosm designs were consistently applied in the past decade to virtually mimic various contamination scenarios with regard to ecosystem setting as well as ENMs class, dose, and dosing. Statistical analyses were carried out with the literature data to identify the main parameters driving ENM distribution in the mesocosms and the potential risk posed to benthic and planktonic communities as well as global ecosystem responses. These analyses showed that at the end of the exposure, mesocosm size (water volume), experiment duration, and location indoor/outdoor had major roles in defining the ENMs/metal partitioning. Moreover, a higher exposure of the benthic communities is often observed but did not necessarily translate to a higher risk due to the lower hazard posed by transformed ENMs in the sediments (e.g., aggregated, sulfidized). However, planktonic organisms were generally exposed to lower concentrations of potentially more reactive and toxic ENM species. Hence, mesocosms can be complementary tools to existing standard operational procedures for regulatory purposes and environmental fate and risk assessment of ENMs. To date, the research was markedly unbalanced toward the investigation of metal-based ENMs compared to metalloid- and carbon-based ENMs but also nanoenabled products. Future studies are expected to fill this gap, with special regard to high production volume and potentially hazardous ENMs. Finally, to take full advantage of mesocosms, future studies must be carefully planned to incorporate interdisciplinary approaches and ensure that the large data sets produced are fully exploited.
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Affiliation(s)
- Andrea Carboni
- CNRS, Aix-Marseille Univ., IRD, INRAE, CEREGE, 13545 Aix-en-Provence, France
| | - Danielle L Slomberg
- CNRS, Aix-Marseille Univ., IRD, INRAE, CEREGE, 13545 Aix-en-Provence, France
| | - Mohammad Nassar
- CNRS, Aix-Marseille Univ., IRD, INRAE, CEREGE, 13545 Aix-en-Provence, France
| | - Catherine Santaella
- Laboratory of Microbial Ecology of the Rhizosphere, Aix Marseille Univ, CEA, CNRS, BIAM, LEMiRE, ECCOREV FR 3098, F-13108 Saint Paul-Lez-Durance, France
| | - Armand Masion
- CNRS, Aix-Marseille Univ., IRD, INRAE, CEREGE, 13545 Aix-en-Provence, France
| | - Jerome Rose
- CNRS, Aix-Marseille Univ., IRD, INRAE, CEREGE, 13545 Aix-en-Provence, France
- Civil and Environmental Engineering Department, Duke University, Durham, North Carolina 27707, United States
| | - Melanie Auffan
- CNRS, Aix-Marseille Univ., IRD, INRAE, CEREGE, 13545 Aix-en-Provence, France
- Civil and Environmental Engineering Department, Duke University, Durham, North Carolina 27707, United States
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6
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Thit A, Selck H. Biodynamics and adverse effects of CuO nanoparticles and CuCl 2 in the oligochaete T. tubifex: Cu form influence biodynamics in water, but not sediment. Nanotoxicology 2021; 15:673-689. [PMID: 34137642 DOI: 10.1080/17435390.2021.1913657] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Abstract
The use of copper oxide (CuO) NPs results in the release of these particles into the aquatic environment. Here, the particles settle out and accumulate in the sediment. However, little is known about the biodynamics of sediment-associated NPs in benthic organisms. We compared the toxicity and biodynamics of CuO NPs (7 nm) and dissolved Cu (CuCl2) in the sediment-dwelling oligochaete, Tubifex tubifex, to gain insights into the relative importance of metal form (CuCl2 vs CuO NPs) and exposure route (water vs sediment). Isotopically enriched 65Cu was used as a tracer to distinguish background from newly accumulated 65Cu in worms. For each exposure route, we conducted three experiments: one uptake, one elimination, and one longer-term net accumulation experiment to parameterize uptake and elimination of 65CuCl2 and 65CuO NPs in T. tubifex. 65Cu accumulation was detected for both 65CuCl2 and 65CuO NPs regardless of whether T. tubifex were exposed in sediment- or water-only setups. Water exposures to 65CuCl2 resulted in tail trauma whereas limited effects were seen for sediment exposures or exposures to 65CuO NPs via either exposure route. Uptake rate constants and accumulation of 65Cu in T. tubifex were higher following 65CuCl2 exposure than 65CuO NPs, in water, but not in sediment. Thus, the relative importance of exposure route and Cu form for uptake dynamics is not straightforward suggesting that findings on bioaccumulation and toxicity in water exposures cannot be directly extrapolated to sediment.
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Affiliation(s)
- Amalie Thit
- Department of Science and Environment, Roskilde University, Roskilde, Denmark
| | - Henriette Selck
- Department of Science and Environment, Roskilde University, Roskilde, Denmark
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7
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Swartzwelter BJ, Mayall C, Alijagic A, Barbero F, Ferrari E, Hernadi S, Michelini S, Navarro Pacheco NI, Prinelli A, Swart E, Auguste M. Cross-Species Comparisons of Nanoparticle Interactions with Innate Immune Systems: A Methodological Review. NANOMATERIALS (BASEL, SWITZERLAND) 2021; 11:1528. [PMID: 34207693 PMCID: PMC8230276 DOI: 10.3390/nano11061528] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/18/2021] [Revised: 06/04/2021] [Accepted: 06/07/2021] [Indexed: 12/18/2022]
Abstract
Many components of the innate immune system are evolutionarily conserved and shared across many living organisms, from plants and invertebrates to humans. Therefore, these shared features can allow the comparative study of potentially dangerous substances, such as engineered nanoparticles (NPs). However, differences of methodology and procedure between diverse species and models make comparison of innate immune responses to NPs between organisms difficult in many cases. To this aim, this review provides an overview of suitable methods and assays that can be used to measure NP immune interactions across species in a multidisciplinary approach. The first part of this review describes the main innate immune defense characteristics of the selected models that can be associated to NPs exposure. In the second part, the different modes of exposure to NPs across models (considering isolated cells or whole organisms) and the main endpoints measured are discussed. In this synergistic perspective, we provide an overview of the current state of important cross-disciplinary immunological models to study NP-immune interactions and identify future research needs. As such, this paper could be used as a methodological reference point for future nano-immunosafety studies.
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Affiliation(s)
| | - Craig Mayall
- Department of Biology, Biotechnical Faculty, University of Liubljana, 1000 Ljubljana, Slovenia;
| | - Andi Alijagic
- Institute for Biomedical Research and Innovation, National Research Council, 90146 Palermo, Italy;
| | - Francesco Barbero
- Institut Català de Nanosciència i Nanotecnologia (ICN2), Bellaterra, 08193 Barcelona, Spain;
| | - Eleonora Ferrari
- Center for Plant Molecular Biology–ZMBP Eberhard-Karls University Tübingen, 72076 Tübingen, Germany;
| | - Szabolcs Hernadi
- School of Biosciences, Cardiff University, Cardiff CF10 3AX, UK;
| | - Sara Michelini
- Department of Biosciences, Paris-Lodron University Salzburg, 5020 Salzburg, Austria;
| | | | | | - Elmer Swart
- UK Centre for Ecology and Hydrology, Wallingford OX10 8BB, UK;
| | - Manon Auguste
- Department of Earth Environment and Life Sciences, University of Genova, 16126 Genova, Italy
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8
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Lammel T, Thit A, Cui X, Mouneyrac C, Baun A, Valsami-Jones E, Sturve J, Selck H. Dietary uptake and effects of copper in Sticklebacks at environmentally relevant exposures utilizing stable isotope-labeled 65CuCl 2 and 65CuO NPs. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 757:143779. [PMID: 33279190 DOI: 10.1016/j.scitotenv.2020.143779] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/18/2020] [Revised: 11/04/2020] [Accepted: 11/06/2020] [Indexed: 06/12/2023]
Abstract
Copper oxide nanoparticles (CuO NPs) accumulating in sediment can be taken up by invertebrates that serve as prey for fish. Thus, it is likely that the latter are exposed to CuO NPs via the gut. However, to this day it is unknown if CuO NPs can be taken up via the gastrointestinal tract and if and in which tissues/organs they accumulate. To address this knowledge gap, we synthesized CuO NPs enriched in the stable isotope 65Cu and incorporated them at low concentration (5 μg 65Cu g-1 ww food) into a practical diet prepared from worm homogenate, which was then fed to Three-spined Stickleback (Gasterosteus aculeatus) for 16 days. For comparison, fish were exposed to a diet spiked with a 65CuCl2 solution. Background Cu and newly taken up 65Cu in fish tissues/organs including gill, stomach, intestine, liver, spleen, gonad and carcass and feces were quantified by ICP-MS. In addition, expression levels of genes encoding for proteins related to Cu uptake, detoxification and toxicity (ctr-1, gcl, gr, gpx, sod-1, cat, mta and zo-1) were measured in selected tissues using RT-qPCR. The obtained results showed that feces of fish fed 65CuO NP-spiked diet contained important amounts of 65Cu. Furthermore, there was no significant accumulation of 65Cu in any of the analyzed internal organs, though 65Cu levels were slightly elevated in liver. No significant modulation in gene expression was measured in fish exposed to 65CuO NP-spiked diet, except for metallothionein, which was significantly upregulated in intestinal tissue compared to control fish. Altogether, our results suggests that dietary absorption efficiency of CuO NPs, their uptake across the gastrointestinal barrier into the organism, and effects on Cu-related genes is limited at low, environmentally relevant exposure doses (0.2 μg 65Cu -1 fish ww day-1).
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Affiliation(s)
- Tobias Lammel
- Department of Science and Environment, Roskilde University, Denmark; Department of Biological and Environmental Sciences, University of Gothenburg, Sweden.
| | - Amalie Thit
- Department of Science and Environment, Roskilde University, Denmark
| | - Xianjin Cui
- School of Geography, Earth and Environmental Sciences, University of Birmingham, United Kingdom
| | | | - Anders Baun
- Department of Environmental Engineering, Technical University of Denmark, DK-2800 Kgs. Lyngby, Denmark
| | - Eugenia Valsami-Jones
- School of Geography, Earth and Environmental Sciences, University of Birmingham, United Kingdom
| | - Joachim Sturve
- Department of Biological and Environmental Sciences, University of Gothenburg, Sweden
| | - Henriette Selck
- Department of Science and Environment, Roskilde University, Denmark
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9
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Koehle-Divo V, Sohm B, Giamberini L, Pauly D, Flayac J, Devin S, Auffan M, Mouneyrac C, Pain-Devin S. A sub-individual multilevel approach for an integrative assessment of CuO nanoparticle effects on Corbicula fluminea. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2019; 254:112976. [PMID: 31404732 DOI: 10.1016/j.envpol.2019.112976] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/08/2019] [Revised: 07/17/2019] [Accepted: 07/27/2019] [Indexed: 06/10/2023]
Abstract
Because they are widely used, copper oxide nanoparticles (CuO NPs) are likely to enter the aquatic environment and then reach the sediment. We have examined the effect of CuO NPs in the freshwater endobenthic bivalve Corbicula fluminea. Some previous studies have investigated effects at biochemical and physiological levels, but molecular endpoints are still poorly studied despite they are sensitive in early detection of NPs effect. In the present study, we have investigated short-term effects (96 h) of CuO NP (12, 30 nm; 0, 20 and 100 μg/L) using molecular endpoints as well as more conventional biochemical and physiological markers. The expression of antioxidant (CuZnSOD, MnSOD, Cat, Se-GPx, Trxr) and antitoxic (GST-Pi, HSP70, MT, Pgp, MRP1) related genes was measured at the mRNA level while antioxidant (SOD, TAC) and antitoxic (GST, ACP) defenses, energetic reserves and metabolism (ETS, Tri, LDH), and cellular damages (LPO) were assessed using a biochemical approach. The filtration rate measured at 96 h provided information at the physiological scale. Gene expression and filtration rate were responsive to CuO NPs but the effects differed according to the NP size. The results suggest that defense mechanisms may have been set up following 30 nm-NP exposure. The response to 12 nm-NP was lower but still showed that exposure to 12 nm-NP led to activation of cellular elimination mechanisms. The lowering of the filtration rate may have protected the organisms from the contamination. However, this raised the question of further repercussions on organism biology. Together, the results (i) indicate that CuO NP may exert effects at different levels even after a short-term exposure and (ii) point out the precocity of molecular response.
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Affiliation(s)
| | - Bénédicte Sohm
- Université de Lorraine, CNRS, LIEC, F-57000 Metz, France
| | | | - Danièle Pauly
- Université de Lorraine, CNRS, LIEC, F-57000 Metz, France
| | - Justine Flayac
- Université de Lorraine, CNRS, LIEC, F-57000 Metz, France
| | - Simon Devin
- Université de Lorraine, CNRS, LIEC, F-57000 Metz, France
| | - Mélanie Auffan
- CEREGE, CNRS, Aix Marseille Univ, IRD, INRA, Coll France, Aix-en-Provence, France
| | - Catherine Mouneyrac
- Université Catholique de l'Ouest, Laboratoire Mer, Molécules et Santé (MMS, EA2160), 3 Place André Leroy, F-49000 Angers Cedex 01, France
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10
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Tamez C, Morelius EW, Hernandez-Viezcas JA, Peralta-Videa JR, Gardea-Torresdey J. Biochemical and physiological effects of copper compounds/nanoparticles on sugarcane (Saccharum officinarum). THE SCIENCE OF THE TOTAL ENVIRONMENT 2019; 649:554-562. [PMID: 30176466 DOI: 10.1016/j.scitotenv.2018.08.337] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/24/2018] [Revised: 08/24/2018] [Accepted: 08/24/2018] [Indexed: 06/08/2023]
Abstract
The widespread use of copper based nanomaterials has been accompanied by an increasing interest in understanding their potential risks. It is essential to understand the effects of these nanoparticles on edible crops by performing long-term experiments at relevant exposure concentrations. Sugarcane is the source of 70% of the world's sugar supply and the widespread use of refined sugar and the consumption of raw sugarcane can provide a route for nanoparticles to enter the food supply. In order to evaluate the biochemical and physiological effects of copper nanoparticle exposure, sugarcane was grown for one year in soil amended with 20, 40, and 60 mg/kg of Kocide 3000 (a copper based fungicide), copper metal nanoparticles, micro-sized CuO, and CuCl2. The results show that stress indicators such as catalase and ascorbic peroxidase enzymatic activity in the sugarcane plant were activated by all the copper based materials at different concentrations. Sugarcane plants exposed to nearly all copper treatments showed dosage dependent increases in copper concentrations in root tissues. Translocation of copper to aerial tissues was minimal, with copper concentrations not being significantly different from controls. In addition, Chlorophyll A content was higher in plants treated with Kocide 3000 at 20 and 60 mg/kg, μCuO at 20 mg/kg, and CuCl2 at 20 and 60 mg/kg. To our knowledge, this is the first report on the effects of nano-copper compounds in sugarcane crop.
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Affiliation(s)
- C Tamez
- Environmental Science and Engineering PhD. Program, The University of Texas at El Paso, 500 West University Ave., El Paso, TX 79968, United States; University of California Center for Environmental Implications of Nanotechnology (UC CEIN), The University of Texas at El Paso, 500 West University Ave., El Paso, TX 79968, United States
| | - E W Morelius
- Environmental Science and Engineering PhD. Program, The University of Texas at El Paso, 500 West University Ave., El Paso, TX 79968, United States
| | - J A Hernandez-Viezcas
- Department of Chemistry, The University of Texas at El Paso, 500 West University Ave., El Paso, TX 79968, United States
| | - J R Peralta-Videa
- Environmental Science and Engineering PhD. Program, The University of Texas at El Paso, 500 West University Ave., El Paso, TX 79968, United States; Department of Chemistry, The University of Texas at El Paso, 500 West University Ave., El Paso, TX 79968, United States; University of California Center for Environmental Implications of Nanotechnology (UC CEIN), The University of Texas at El Paso, 500 West University Ave., El Paso, TX 79968, United States
| | - J Gardea-Torresdey
- Environmental Science and Engineering PhD. Program, The University of Texas at El Paso, 500 West University Ave., El Paso, TX 79968, United States; Department of Chemistry, The University of Texas at El Paso, 500 West University Ave., El Paso, TX 79968, United States; University of California Center for Environmental Implications of Nanotechnology (UC CEIN), The University of Texas at El Paso, 500 West University Ave., El Paso, TX 79968, United States.
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11
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De Marchi L, Neto V, Pretti C, Figueira E, Chiellini F, Morelli A, Soares AMVM, Freitas R. The influence of salinity on the effects of Multi-walled carbon nanotubes on polychaetes. Sci Rep 2018; 8:8571. [PMID: 29872071 PMCID: PMC5988824 DOI: 10.1038/s41598-018-26729-2] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2018] [Accepted: 05/15/2018] [Indexed: 12/15/2022] Open
Abstract
Salinity shifts in estuarine and coastal areas are becoming a topic of concern and are one of the main factors influencing nanoparticles behaviour in the environment. For this reason, the impacts of multi-walled carbon nanotubes (MWCNTs) under different seawater salinity conditions were evaluated on the common ragworm Hediste diversicolor, a polychaete species widely used as bioindicator of estuarine environmental quality. An innovative method to assess the presence of MWCNT aggregates in the sediments was used for the first time. Biomarkers approach was used to evaluate the metabolic capacity, oxidative status and neurotoxicity of polychaetes after long-term exposure. The results revealed an alteration of energy-related responses in contaminated polychaetes under both salinity conditions, resulting in an increase of metabolism and expenditure of their energy reserves (lower glycogen and protein contents). Moreover, a concentration-dependent toxicity (higher lipid peroxidation, lower ratio between reduced and oxidized glutathione and activation of antioxidant defences and biotransformation mechanisms) was observed in H. diversicolor, especially when exposed to low salinity. Additionally, neurotoxicity was observed by inhibition of Cholinesterases activity in organisms exposed to MWCNTs at both salinities.
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Affiliation(s)
- Lucia De Marchi
- Department of Biology & Center for Environmental and Marine Studies (CESAM), University of Aveiro, 3810-193, Aveiro, Portugal.,Department of Mechanical Engineering & Center for Mechanical Technology and Automation (TEMA), University of Aveiro, 3810-193, Aveiro, Portugal
| | - Victor Neto
- Department of Mechanical Engineering & Center for Mechanical Technology and Automation (TEMA), University of Aveiro, 3810-193, Aveiro, Portugal
| | - Carlo Pretti
- Department of Veterinary Sciences, University of Pisa, San Piero a Grado, Pisa, 56122, Italy
| | - Etelvina Figueira
- Department of Biology & Center for Environmental and Marine Studies (CESAM), University of Aveiro, 3810-193, Aveiro, Portugal
| | - Federica Chiellini
- Department of Chemistry and Industrial Chemistry, University of Pisa, Udr INSTM Pisa, Pisa, 56126, Italy
| | - Andrea Morelli
- Department of Chemistry and Industrial Chemistry, University of Pisa, Udr INSTM Pisa, Pisa, 56126, Italy
| | - Amadeu M V M Soares
- Department of Biology & Center for Environmental and Marine Studies (CESAM), University of Aveiro, 3810-193, Aveiro, Portugal
| | - Rosa Freitas
- Department of Biology & Center for Environmental and Marine Studies (CESAM), University of Aveiro, 3810-193, Aveiro, Portugal.
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12
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Vicario-Parés U, Lacave JM, Reip P, Cajaraville MP, Orbea A. Cellular and molecular responses of adult zebrafish after exposure to CuO nanoparticles or ionic copper. ECOTOXICOLOGY (LONDON, ENGLAND) 2018; 27:89-101. [PMID: 29150731 DOI: 10.1007/s10646-017-1873-5] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 10/25/2017] [Indexed: 06/07/2023]
Abstract
Due to their antimicrobial, electrical and magnetic properties, copper nanoparticles (NPs) are suitable for a vast array of applications. Copper can be toxic to biota, making it necessary to assess the potential hazard of copper nanomaterials. Zebrafish (Danio rerio) were exposed to 10 µg Cu/L of CuO NPs of ≈100 nm (CuO-poly) or ionic copper to compare the effects provoked after 3 and 21 days of exposure and at 6 months post-exposure (mpe). At 21 days, significant copper accumulation was only detected in fish exposed to ionic copper. Exposure to both copper forms caused histopathological alterations that could reduce gill functionality, more markedly in the case of ionic copper. Nevertheless, at 6 mpe higher prevalences of gill lesions were detected in fish previously exposed to CuO-poly NPs. No relevant histological alterations were detected in liver, but the lysosomal membrane stability test showed significantly impaired general health status after exposure to both metal forms that lasted up to 6 mpe. 69 transcripts appeared regulated after 3 days of exposure to CuO-poly NPs, suggesting that NPs could produce oxidative stress and reduce metabolism and transport processes. Thirty transcripts were regulated after 21 days of exposure to ionic copper, indicating possible DNA damage. Genes of the circadian clock were identified as the key genes involved in time-dependent differences between the two copper forms. In conclusion, each copper form showed a distinct pattern of liver transcriptome regulation, but both caused gill histopathological alterations and long lasting impaired health status in adult zebrafish.
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Affiliation(s)
- Unai Vicario-Parés
- CBET Research Group. Department of Zoology and Animal Cell Biology, Faculty of Science and Technology; Research Centre for Experimental Marine Biology and Biotechnology PIE, University of the Basque Country UPV/EHU, Sarriena z/g, 48940, Leioa, Basque Country, Spain
| | - Jose M Lacave
- CBET Research Group. Department of Zoology and Animal Cell Biology, Faculty of Science and Technology; Research Centre for Experimental Marine Biology and Biotechnology PIE, University of the Basque Country UPV/EHU, Sarriena z/g, 48940, Leioa, Basque Country, Spain
| | - Paul Reip
- Intrinsiq materials Ltd, Cody Technology Park, Hampshire, GU140LX, UK
| | - Miren P Cajaraville
- CBET Research Group. Department of Zoology and Animal Cell Biology, Faculty of Science and Technology; Research Centre for Experimental Marine Biology and Biotechnology PIE, University of the Basque Country UPV/EHU, Sarriena z/g, 48940, Leioa, Basque Country, Spain
| | - Amaia Orbea
- CBET Research Group. Department of Zoology and Animal Cell Biology, Faculty of Science and Technology; Research Centre for Experimental Marine Biology and Biotechnology PIE, University of the Basque Country UPV/EHU, Sarriena z/g, 48940, Leioa, Basque Country, Spain.
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13
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Stegemeier JP, Avellan A, Lowry GV. Effect of Initial Speciation of Copper- and Silver-Based Nanoparticles on Their Long-Term Fate and Phytoavailability in Freshwater Wetland Mesocosms. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2017; 51:12114-12122. [PMID: 29017014 DOI: 10.1021/acs.est.7b02972] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
Ag0- and CuO-engineered nanomaterials (ENMs) or their sulfidized forms are introduced into freshwater wetlands through wastewater effluent and agricultural runoff. Knowledge about the rates of transformations of these ENMs in realistic environments and the impact of the form of the incoming ENM (i.e., sulfidized or pristine) on bioavailability and fate is limited. Here, five freshwater wetland mesocosms were exposed to 3 g of total metal as CuO, CuS, Ag0, or Ag2S ENMs or soluble CuNO3 added weekly for 1 month. Total metal and metal speciation was measured in sediment and plant samples collected 1, 3, 6, and 9 months after addition. The form of the added ENM did not affect the metal distribution, and ENMs distributed similarly to added ionic Cu or Ag. For the dosing condition used, ∼50% of the added Ag or Cu metal mass was found in Egeria densa plant tissue, with the remainder primarily in the surficial sediment. Ag0 and CuO ENMs transformed quickly in sediment, with no evidence of CuO and only ∼4% of silver present as Ag0 ENM 1 week after the last ENM addition. In contrast to sediment, Ag0 and CuO ENMs were persistent in E. densa tissues for up to 9 and 6 months, respectively. The persistence of ENMs in E. densa suggests that chronic exposures, or food web transfers, for both the transformed and the initially added ENMs are possible.
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Affiliation(s)
- John P Stegemeier
- Center for the Environmental Implications of NanoTechnology (CEINT) and ‡Civil & Environmental Engineering, Carnegie Mellon University , Pittsburgh, Pennsylvania 15213, United States
| | - Astrid Avellan
- Center for the Environmental Implications of NanoTechnology (CEINT) and ‡Civil & Environmental Engineering, Carnegie Mellon University , Pittsburgh, Pennsylvania 15213, United States
| | - Gregory V Lowry
- Center for the Environmental Implications of NanoTechnology (CEINT) and ‡Civil & Environmental Engineering, Carnegie Mellon University , Pittsburgh, Pennsylvania 15213, United States
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14
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Sekine R, Marzouk E, Khaksar M, Scheckel KG, Stegemeier JP, Lowry GV, Donner E, Lombi E. Aging of Dissolved Copper and Copper-based Nanoparticles in Five Different Soils: Short-term Kinetics vs. Long-term Fate. JOURNAL OF ENVIRONMENTAL QUALITY 2017; 46:1198-1205. [PMID: 29293823 PMCID: PMC5868742 DOI: 10.2134/jeq2016.12.0485] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/12/2023]
Abstract
With the growing availability and use of copper-based nanomaterials (Cu-NMs), there is increasing concern regarding their release and potential impact on the environment. In this study, the short-term (≤5 d) aging profile and the long-term (135 d) speciation of dissolved Cu, copper oxide, and copper sulfide nanoparticles (CuO-NPs and CuS-NPs) were investigated in five different soils using X-ray absorption spectroscopy. Soil pH was found to strongly influence the short-term chemistry of the Cu-NMs added at 100 mg kg above background. Low pH soils promoted rapid dissolution of CuO-NPs that effectively aligned their behavior to that of dissolved Cu within 3 d. In higher pH soils, CuO-NPs persisted longer due to slower dissolution in the soil and resulted in contrasting short-term speciation compared with dissolved Cu, which formed copper hydroxides and carbonates that were reflective of the soil chemistry. Organic matter appeared to slow the dissolution process, but in the long term, the speciation of Cu added as dissolved Cu, CuO-NPs, and CuS-NPs were found to be same for each soil. The results imply that, in the short term, Cu-NMs may exhibit unique behavior in alkaline soils compared with their conventional forms (e.g., in the event of an adverse leaching event), but in the long term (≥135 d), their fates are dictated by the soil properties, are independent of the initial Cu form, and are likely to present minimal risk of nanospecific Cu-NM impact in the soil environment for the concentration studied here.
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Affiliation(s)
- Ryo Sekine
- Future Industries Institute, University of South Australia, Building X, Mawson Lakes Campus, SA 5095, Australia
- Centre for Ecology and Hydrology, Maclean Building, Benson Lane, Crowmarsh Gifford, Wallingford, Oxfordshire, OX10 8BB, United Kingdom
| | - Ezzat Marzouk
- Future Industries Institute, University of South Australia, Building X, Mawson Lakes Campus, SA 5095, Australia
- Division of Soil and Water Sciences, Faculty of Environmental Agricultural Sciences, Arish University, North Sinai 45516, Egypt
| | - Maryam Khaksar
- Future Industries Institute, University of South Australia, Building X, Mawson Lakes Campus, SA 5095, Australia
| | - Kirk G. Scheckel
- National Risk Management Research Laboratory, US Environmental Protection Agency, 5995 Centre Hill Avenue, Cincinnati, Ohio 45224, USA
| | - John P. Stegemeier
- Department of Civil and Environmental Engineering, Carnegie Mellon University, 119 Porter Hall, 5000 Forbes Avenue, Pittsburgh, PA, 15213, USA
| | - Gregory. V. Lowry
- Department of Civil and Environmental Engineering, Carnegie Mellon University, 119 Porter Hall, 5000 Forbes Avenue, Pittsburgh, PA, 15213, USA
| | - Erica Donner
- Future Industries Institute, University of South Australia, Building X, Mawson Lakes Campus, SA 5095, Australia
| | - Enzo Lombi
- Future Industries Institute, University of South Australia, Building X, Mawson Lakes Campus, SA 5095, Australia
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15
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Rotini A, Tornambè A, Cossi R, Iamunno F, Benvenuto G, Berducci MT, Maggi C, Thaller MC, Cicero AM, Manfra L, Migliore L. Salinity-Based Toxicity of CuO Nanoparticles, CuO-Bulk and Cu Ion to Vibrio anguillarum. Front Microbiol 2017; 8:2076. [PMID: 29118743 PMCID: PMC5661029 DOI: 10.3389/fmicb.2017.02076] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2017] [Accepted: 10/10/2017] [Indexed: 11/13/2022] Open
Abstract
Bacteria are used in ecotoxicology for their important role in marine ecosystems and their quick, reproducible responses. Here we applied a recently proposed method to assess the ecotoxicity of nanomaterials on the ubiquitous marine bacterium Vibrio anguillarum, as representative of brackish and marine ecosystems. The test allows the determination of 6-h EC50 in a wide range of salinity, by assessing the reduction of bacteria actively replicating and forming colonies. The toxicity of copper oxide nanoparticles (CuO NPs) at different salinities (5-20-35 ‰) was evaluated. CuSO4 5H2O and CuO bulk were used as reference toxicants (solubility and size control, respectively). Aggregation and stability of CuO NP in final testing dispersions were characterized; Cu2+ dissolution and the physical interactions between Vibrio and CuO NPs were also investigated. All the chemical forms of copper showed a clear dose-response relationship, although their toxicity was different. The order of decreasing toxicity was: CuSO4 5H2O > CuO NP > CuO bulk. As expected, the size of CuO NP aggregates increased with salinity and, concurrently, their toxicity decreased. Results confirmed the intrinsic toxicity of CuO NPs, showing modest Cu2+ dissolution and no evidence of CuO NP internalization or induction of bacterial morphological alterations. This study showed the V. anguillarum bioassay as an effective tool for the risk assessment of nanomaterials in marine and brackish environments.
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Affiliation(s)
- Alice Rotini
- Department of Biology, University of Rome Tor Vergata, Rome, Italy.,Institute for Environmental Protection and Research (ISPRA) Rome, Italy
| | - Andrea Tornambè
- Institute for Environmental Protection and Research (ISPRA) Rome, Italy
| | | | - Franco Iamunno
- Research Infrastructures for Marine Biological Resources, Stazione Zoologica Anton Dohrn, Naples, Italy
| | - Giovanna Benvenuto
- Research Infrastructures for Marine Biological Resources, Stazione Zoologica Anton Dohrn, Naples, Italy
| | - Maria T Berducci
- Institute for Environmental Protection and Research (ISPRA) Rome, Italy
| | - Chiara Maggi
- Institute for Environmental Protection and Research (ISPRA) Rome, Italy
| | - Maria C Thaller
- Department of Biology, University of Rome Tor Vergata, Rome, Italy
| | - Anna M Cicero
- Institute for Environmental Protection and Research (ISPRA) Rome, Italy
| | - Loredana Manfra
- Institute for Environmental Protection and Research (ISPRA) Rome, Italy.,Department of Biology and Evolution of Marine Organisms, Stazione Zoologica Anton Dohrn, Naples, Italy
| | - Luciana Migliore
- Department of Biology, University of Rome Tor Vergata, Rome, Italy
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16
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Qiu H, Smolders E. Nanospecific Phytotoxicity of CuO Nanoparticles in Soils Disappeared When Bioavailability Factors Were Considered. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2017; 51:11976-11985. [PMID: 28934849 DOI: 10.1021/acs.est.7b01892] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
Bioavailability-modifying factors such as soil type and aging have only rarely been considered in assessing toxicity of metal-containing nanoparticles in soil. Here, we examined the toxicity to barley (Hordeum vulgare) of CuO nanoparticles (CuO-NPs) relative to CuO bulk particles (CuO-BPs) and Cu acetate (Cu(OAc)2) in six different soils with or without aging. The set up allows identifying whether or not NPs-derived colloidal Cu in soil porewater contributes to toxicity. Ultrafiltration (50 kDa) was performed together with geochemical modeling to determine {Cu2+} (free Cu2+ activity in soil porewater). Based on total soil Cu concentration, toxicity measured with seedling root elongation ranked Cu(OAc)2 > CuO-NPs > CuO-BPs in freshly spiked soils. The differences in toxicity among the three toxicants became smaller in soils aged for 90 days. When expressing toxicity as {Cu2+}, there was no indication that nanoparticulate or colloidal Cu enhanced toxicity. A calibrated bioavailability-based model based on {Cu2+} and pH successfully explained (R2 = 0.78, n = 215) toxicity of all Cu forms in different soils with and without aging. Our results suggest that toxicity predictions and risk assessment of CuO-NPs can be carried out properly using the bioavailability-based approaches that are used already for their non-nano counterparts in soil.
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Affiliation(s)
- Hao Qiu
- Division of Soil and Water Management, KU Leuven , 3001, Heverlee, Belgium
- School of Environmental Science and Engineering, Shanghai Jiao Tong University , 200240, Shanghai, China
| | - Erik Smolders
- Division of Soil and Water Management, KU Leuven , 3001, Heverlee, Belgium
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17
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Tang J, Zhu N, Zhu Y, Liu J, Wu C, Kerr P, Wu Y, Lam PKS. Responses of Periphyton to Fe 2O 3 Nanoparticles: A Physiological and Ecological Basis for Defending Nanotoxicity. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2017; 51:10797-10805. [PMID: 28817263 DOI: 10.1021/acs.est.7b02012] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
The toxic effects of nanoparticles on individual organisms have been widely investigated, while few studies have investigated the effects of nanoparticles on ubiquitous multicommunity microbial aggregates. Here, periphyton as a model of microbial aggregates, was employed to investigate the responses of microbial aggregates exposed continuously to Fe2O3 nanoparticles (5.0 mg L-1) for 30 days. The exposure to Fe2O3 nanoparticles results in the chlorophyll (a, b, and c) contents of periphyton increasing and the total antioxidant capacity decreasing. The composition of the periphyton markedly changes in the presence of Fe2O3 nanoparticles and the species diversity significantly increases. The changes in the periphyton composition and diversity were due to allelochemicals, such as 3-methylpentane, released by members of the periphyton which inhibit their competitors. The functions of the periphyton represented by metabolic capability and contaminant (organic matter, nitrogen, phosphorus and copper) removal were able to acclimate to the Fe2O3 nanoparticles exposure via self-regulation of morphology, species composition and diversity. These findings highlight the importance of both physiological and ecological factors in evaluating the long-term responses of microbial aggregates exposed to nanoparticles.
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Affiliation(s)
- Jun Tang
- State Key Laboratory of Soil and Sustainable Agriculture, Institute of Soil Sciences, Chinese Academy of Sciences , 71 East Beijing Road, Nanjing 210008, China
- College of Resource and Environment, University of Chinese Academy of Sciences , Beijing 100049, China
| | - Ningyuan Zhu
- State Key Laboratory of Soil and Sustainable Agriculture, Institute of Soil Sciences, Chinese Academy of Sciences , 71 East Beijing Road, Nanjing 210008, China
- College of Resource and Environment, University of Chinese Academy of Sciences , Beijing 100049, China
| | - Yan Zhu
- State Key Laboratory of Soil and Sustainable Agriculture, Institute of Soil Sciences, Chinese Academy of Sciences , 71 East Beijing Road, Nanjing 210008, China
- College of Resource and Environment, University of Chinese Academy of Sciences , Beijing 100049, China
| | - Junzhuo Liu
- State Key Laboratory of Soil and Sustainable Agriculture, Institute of Soil Sciences, Chinese Academy of Sciences , 71 East Beijing Road, Nanjing 210008, China
| | - Chenxi Wu
- State Key Laboratory of Freshwater Ecology and Biotechnology, Institute of Hydrobiology, Chinese Academy of sciences , Wuhan 430072, China
| | - Philip Kerr
- School of Biomedical Sciences, Charles Sturt University , Boorooma St, Wagga Wagga, NSW 2678, Australia
| | - Yonghong Wu
- State Key Laboratory of Soil and Sustainable Agriculture, Institute of Soil Sciences, Chinese Academy of Sciences , 71 East Beijing Road, Nanjing 210008, China
| | - Paul K S Lam
- State Key Laboratory of Marine Pollution, City University of Hong Kong , Hong Kong SAR, China
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18
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Behavior and Potential Impacts of Metal-Based Engineered Nanoparticles in Aquatic Environments. NANOMATERIALS 2017; 7:nano7010021. [PMID: 28336855 PMCID: PMC5295211 DOI: 10.3390/nano7010021] [Citation(s) in RCA: 64] [Impact Index Per Article: 9.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/02/2016] [Revised: 01/07/2017] [Accepted: 01/17/2017] [Indexed: 01/29/2023]
Abstract
The specific properties of metal-based nanoparticles (NPs) have not only led to rapidly increasing applications in various industrial and commercial products, but also caused environmental concerns due to the inevitable release of NPs and their unpredictable biological/ecological impacts. This review discusses the environmental behavior of metal-based NPs with an in-depth analysis of the mechanisms and kinetics. The focus is on knowledge gaps in the interaction of NPs with aquatic organisms, which can influence the fate, transport and toxicity of NPs in the aquatic environment. Aggregation transforms NPs into micrometer-sized clusters in the aqueous environment, whereas dissolution also alters the size distribution and surface reactivity of metal-based NPs. A unique toxicity mechanism of metal-based NPs is related to the generation of reactive oxygen species (ROS) and the subsequent ROS-induced oxidative stress. Furthermore, aggregation, dissolution and ROS generation could influence each other and also be influenced by many factors, including the sizes, shapes and surface charge of NPs, as well as the pH, ionic strength, natural organic matter and experimental conditions. Bioaccumulation of NPs in single organism species, such as aquatic plants, zooplankton, fish and benthos, is summarized and compared. Moreover, the trophic transfer and/or biomagnification of metal-based NPs in an aquatic ecosystem are discussed. In addition, genetic effects could result from direct or indirect interactions between DNA and NPs. Finally, several challenges facing us are put forward in the review.
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19
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Kent RD, Vikesland PJ. Dissolution and Persistence of Copper-Based Nanomaterials in Undersaturated Solutions with Respect to Cupric Solid Phases. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2016; 50:6772-6781. [PMID: 26704567 DOI: 10.1021/acs.est.5b04719] [Citation(s) in RCA: 35] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
Dissolution of copper-based nanoparticles (NPs) can control their environmental persistence and toxicity. Previous research has generally reported limited dissolution of Cu-based NPs at circumneutral pH, but the environmentally important case of dissolution in solutions that are undersaturated with respect to copper mineral phases has not been investigated thoroughly. In this study, immobilized Cu-based NPs were fabricated on solid supports. Metallic copper (Cu), cupric oxide/hydroxide (Cuox), and copper sulfide (CuxS) NPs were investigated. Dissolution rate constants were measured in situ by an atomic force microscope equipped with a flow-through cell. A mass-balance model indicated that the flowing solution was consistently undersaturated with respect to cupric solid phases. Based on the measured rate constants, Cuox NPs are expected to dissolve completely in these undersaturated conditions within a matter of hours, even at neutral to basic pH. The expected persistence of metallic Cu NPs ranges from a few hours to days, whereas CuxS NPs showed no significant dissolution over the time scales studied. Field deployment of Cu-based NP samples in a freshwater stream confirmed these conclusions for a natural aquatic system. These results suggest that Cu and Cuox NPs will be short-lived in the environment unless dissolution is hindered by a competing process, such as sulfidation.
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Affiliation(s)
- Ronald D Kent
- Department of Civil and Environmental Engineering, Institute of Critical Technology and Applied Science (ICTAS), and the Center for the Environmental Implications of Nanotechnology (CEINT), Virginia Tech , 418 Durham Hall, Blacksburg, Virginia 24061-0246, United States
| | - Peter J Vikesland
- Department of Civil and Environmental Engineering, Institute of Critical Technology and Applied Science (ICTAS), and the Center for the Environmental Implications of Nanotechnology (CEINT), Virginia Tech , 418 Durham Hall, Blacksburg, Virginia 24061-0246, United States
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20
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Holden PA, Gardea-Torresdey J, Klaessig F, Turco RF, Mortimer M, Hund-Rinke K, Hubal EAC, Avery D, Barceló D, Behra R, Cohen Y, Deydier-Stephan L, Lee Ferguson P, Fernandes TF, Harthorn BH, Henderson WM, Hoke RA, Hristozov D, Johnston JM, Kane AB, Kapustka L, Keller AA, Lenihan HS, Lovell W, Murphy CJ, Nisbet RM, Petersen EJ, Salinas ER, Scheringer M, Sharma M, Speed DE, Sultan Y, Westerhoff P, White JC, Wiesner MR, Wong EM, Xing B, Horan MS, Godwin HA, Nel AE. Considerations of Environmentally Relevant Test Conditions for Improved Evaluation of Ecological Hazards of Engineered Nanomaterials. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2016; 50:6124-45. [PMID: 27177237 PMCID: PMC4967154 DOI: 10.1021/acs.est.6b00608] [Citation(s) in RCA: 114] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/18/2023]
Abstract
Engineered nanomaterials (ENMs) are increasingly entering the environment with uncertain consequences including potential ecological effects. Various research communities view differently whether ecotoxicological testing of ENMs should be conducted using environmentally relevant concentrations-where observing outcomes is difficult-versus higher ENM doses, where responses are observable. What exposure conditions are typically used in assessing ENM hazards to populations? What conditions are used to test ecosystem-scale hazards? What is known regarding actual ENMs in the environment, via measurements or modeling simulations? How should exposure conditions, ENM transformation, dose, and body burden be used in interpreting biological and computational findings for assessing risks? These questions were addressed in the context of this critical review. As a result, three main recommendations emerged. First, researchers should improve ecotoxicology of ENMs by choosing test end points, duration, and study conditions-including ENM test concentrations-that align with realistic exposure scenarios. Second, testing should proceed via tiers with iterative feedback that informs experiments at other levels of biological organization. Finally, environmental realism in ENM hazard assessments should involve greater coordination among ENM quantitative analysts, exposure modelers, and ecotoxicologists, across government, industry, and academia.
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Affiliation(s)
- Patricia A. Holden
- Bren School of Environmental Science and Management, University of California, Santa Barbara, California 93106, United States
- University of California Center for Environmental Implications of Nanotechnology (UC CEIN), University of California, Los Angeles, California 90095, United States
| | - Jorge Gardea-Torresdey
- University of California Center for Environmental Implications of Nanotechnology (UC CEIN), University of California, Los Angeles, California 90095, United States
- Department of Chemistry, Environmental Science and Engineering PhD Program, University of Texas, El Paso, Texas 79968, United States
| | - Fred Klaessig
- University of California Center for Environmental Implications of Nanotechnology (UC CEIN), University of California, Los Angeles, California 90095, United States
- Pennsylvania Bio Nano Systems, Doylestown, Pennsylvania 18901, United States
| | - Ronald F. Turco
- College of Agriculture, Laboratory for Soil Microbiology, Purdue University, West Lafayette, Indiana 47907, United States
| | - Monika Mortimer
- Bren School of Environmental Science and Management, University of California, Santa Barbara, California 93106, United States
- University of California Center for Environmental Implications of Nanotechnology (UC CEIN), University of California, Los Angeles, California 90095, United States
- Laboratory of Environmental Toxicology, National Institute of Chemical Physics and Biophysics, Akadeemia tee 23, 12618 Tallinn, Estonia
| | - Kerstin Hund-Rinke
- Fraunhofer Institute for Molecular Biology and Applied Ecology, D-57392 Schmallenberg, Germany
| | - Elaine A. Cohen Hubal
- Office of Research and Development, U.S. Environmental Protection Agency, Research Triangle Park, North Carolina 27711, United States
| | - David Avery
- University of California Center for Environmental Implications of Nanotechnology (UC CEIN), University of California, Los Angeles, California 90095, United States
| | - Damià Barceló
- Department of Environmental Chemistry, Institute of Environmental Assessment and Water Research (IDAEA-CSIC), Barcelona 08034, Spain
- Institut Català de Recerca de l’Aigua (ICRA), Parc Científic i Tecnològic de la Universitat de Girona, Girona 17003, Spain
| | - Renata Behra
- Eawag, Swiss Federal Institute of Aquatic Science and Technology, 8600 Dübendorf, Switzerland
- Institute of Biogeochemistry and Pollutant Dynamics, ETH Zürich, 8092 Zürich, Switzerland
| | - Yoram Cohen
- University of California Center for Environmental Implications of Nanotechnology (UC CEIN), University of California, Los Angeles, California 90095, United States
- California NanoSystems Institute, University of California Los Angeles, California 90095, United States
- Chemical and Biomolecular Engineering Department, University of California Los Angeles, California 90095, United States
| | | | - Patrick Lee Ferguson
- Department of Civil & Environmental Engineering, Duke University, Durham, North Carolina 27708, United States
- Center for the Environmental Implications of NanoTechnology (CEINT), Duke University, Durham, North Carolina 27708, United States
| | | | - Barbara Herr Harthorn
- University of California Center for Environmental Implications of Nanotechnology (UC CEIN), University of California, Los Angeles, California 90095, United States
- Center for Nanotechnology in Society, University of California, Santa Barbara, California 93106
- Department of Anthropology, University of California, Santa Barbara, California 93106
| | - William Matthew Henderson
- Office of Research and Development, National Exposure Research Laboratory, U.S. Environmental Protection Agency, Athens, Georgia 30605, United States
| | - Robert A. Hoke
- E.I. du Pont de Nemours and Company, Newark, Delaware 19711, United States
| | - Danail Hristozov
- Department of Environmental Sciences, Informatics and Statistics, University Ca' Foscari Venice, Venice 30123, Italy
| | - John M. Johnston
- Office of Research and Development, National Exposure Research Laboratory, U.S. Environmental Protection Agency, Athens, Georgia 30605, United States
| | - Agnes B. Kane
- Department of Pathology and Laboratory Medicine, Brown University, Providence, Rhode Island 02912, United States
| | | | - Arturo A. Keller
- Bren School of Environmental Science and Management, University of California, Santa Barbara, California 93106, United States
- University of California Center for Environmental Implications of Nanotechnology (UC CEIN), University of California, Los Angeles, California 90095, United States
| | - Hunter S. Lenihan
- Bren School of Environmental Science and Management, University of California, Santa Barbara, California 93106, United States
- University of California Center for Environmental Implications of Nanotechnology (UC CEIN), University of California, Los Angeles, California 90095, United States
| | - Wess Lovell
- Vive Crop Protection Inc, Toronto, Ontario M5G 1L6, Canada
| | - Catherine J. Murphy
- Department of Chemistry, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801, United States
| | - Roger M. Nisbet
- University of California Center for Environmental Implications of Nanotechnology (UC CEIN), University of California, Los Angeles, California 90095, United States
- Department of Ecology, Evolution and Marine Biology, University of California, Santa Barbara, California 93106, United States
| | - Elijah J. Petersen
- Biosystems and Biomaterials Division, Material Measurement Laboratory, National Institute of Standards and Technology, Gaithersburg, Maryland 20899, United States
| | - Edward R. Salinas
- BASF SE, Experimental Toxicology and Ecology, Ludwigshafen, D-67056, Germany
| | - Martin Scheringer
- Institute for Chemical and Bioengineering, ETH Zürich, 8093 Zürich, Switzerland
| | - Monita Sharma
- PETA International Science Consortium, Ltd., London N1 9RL, England, United Kingdom
| | - David E. Speed
- Globalfoundries, Corporate EHS, Hopewell Junction, New York 12533, United States
| | - Yasir Sultan
- Environment Canada, Gatineau, Quebec J8X 4C8, Canada
| | - Paul Westerhoff
- School of Sustainable Engineering and the Built Environment, Arizona State University, Tempe, Arizona 85287, United States
| | - Jason C. White
- Department of Analytical Chemistry, The Connecticut Agricultural Experiment Station, New Haven, Connecticut 06504, United States
| | - Mark R. Wiesner
- Department of Civil & Environmental Engineering, Duke University, Durham, North Carolina 27708, United States
- Center for the Environmental Implications of NanoTechnology (CEINT), Duke University, Durham, North Carolina 27708, United States
| | - Eva M. Wong
- Office of Pollution Prevention and Toxics, U.S. Environmental Protection Agency, Washington, D.C. 20460, United States
| | - Baoshan Xing
- Stockbridge School of Agriculture, University of Massachusetts, Amherst, Massachusetts 01003, United States
| | - Meghan Steele Horan
- University of California Center for Environmental Implications of Nanotechnology (UC CEIN), University of California, Los Angeles, California 90095, United States
| | - Hilary A. Godwin
- University of California Center for Environmental Implications of Nanotechnology (UC CEIN), University of California, Los Angeles, California 90095, United States
- California NanoSystems Institute, University of California Los Angeles, California 90095, United States
- Department of Environmental Health Sciences, Fielding School of Public Health, University of California, Los Angeles, California 90095, United States
- Institute of the Environment and Sustainability, University of California, Los Angeles, California 90095, United States
| | - André E. Nel
- University of California Center for Environmental Implications of Nanotechnology (UC CEIN), University of California, Los Angeles, California 90095, United States
- California NanoSystems Institute, University of California Los Angeles, California 90095, United States
- Division of NanoMedicine, Department of Medicine, University of California, Los Angeles, California 90095, United States
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21
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Auffan M, Tella M, Santaella C, Brousset L, Paillès C, Barakat M, Espinasse B, Artells E, Issartel J, Masion A, Rose J, Wiesner MR, Achouak W, Thiéry A, Bottero JY. An adaptable mesocosm platform for performing integrated assessments of nanomaterial risk in complex environmental systems. Sci Rep 2014; 4:5608. [PMID: 25001877 PMCID: PMC4085617 DOI: 10.1038/srep05608] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2014] [Accepted: 06/12/2014] [Indexed: 11/23/2022] Open
Abstract
Physical-chemists, (micro)biologists, and ecologists need to conduct meaningful experiments to study the environmental risk of engineered nanomaterials with access to relevant mechanistic data across several spatial and temporal scales. Indoor aquatic mesocosms (60L) that can be tailored to virtually mimic any ecosystem appear as a particularly well-suited device. Here, this concept is illustrated by a pilot study aimed at assessing the distribution of a CeO2-based nanomaterial within our system at low concentration (1.5 mg/L). Physico-chemical as well as microbiological parameters took two weeks to equilibrate. These parameters were found to be reproducible across the 9-mesocosm setup over a 45-day period of time. Recovery mass balances of 115 ± 18% and 60 ± 30% of the Ce were obtained for the pulse dosing and the chronic dosing, respectively. This demonstrated the relevance of our experimental approach that allows for adequately monitoring the fate and impact of a given nanomaterial.
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Affiliation(s)
- Mélanie Auffan
- 1] CNRS, Aix-Marseille Université, CEREGE UM34, UMR 7330, 13545 Aix en Provence, France [2] International Consortium for the Environmental Implications of Nanotechnology iCEINT, CNRS-Duke University, Aix en Provence, France [3] Center for the Environmental Implications of NanoTechnology CEINT, Duke University, Durham, North Carolina 27707, USA
| | - Marie Tella
- 1] CNRS, Aix-Marseille Université, CEREGE UM34, UMR 7330, 13545 Aix en Provence, France [2] International Consortium for the Environmental Implications of Nanotechnology iCEINT, CNRS-Duke University, Aix en Provence, France
| | - Catherine Santaella
- 1] International Consortium for the Environmental Implications of Nanotechnology iCEINT, CNRS-Duke University, Aix en Provence, France [2] CNRS, Aix-Marseille Université, CEA Cadarache DSV/IBEB/SBVME, Lab Ecol Microb Rhizosphere & Environ Extrem (LEMiRE), UMR 7265, Saint Paul lez Durance, France
| | - Lenka Brousset
- 1] International Consortium for the Environmental Implications of Nanotechnology iCEINT, CNRS-Duke University, Aix en Provence, France [2] CNRS, Aix-Marseille Université, CNRS, Institut Méditerranéen de Biodiversité et d'Ecologie marine et continentale (IMBE), UMR 7263, Marseille, France
| | - Christine Paillès
- 1] CNRS, Aix-Marseille Université, CEREGE UM34, UMR 7330, 13545 Aix en Provence, France [2] International Consortium for the Environmental Implications of Nanotechnology iCEINT, CNRS-Duke University, Aix en Provence, France
| | - Mohamed Barakat
- 1] International Consortium for the Environmental Implications of Nanotechnology iCEINT, CNRS-Duke University, Aix en Provence, France [2] CNRS, Aix-Marseille Université, CEA Cadarache DSV/IBEB/SBVME, Lab Ecol Microb Rhizosphere & Environ Extrem (LEMiRE), UMR 7265, Saint Paul lez Durance, France
| | - Benjamin Espinasse
- 1] International Consortium for the Environmental Implications of Nanotechnology iCEINT, CNRS-Duke University, Aix en Provence, France [2] Center for the Environmental Implications of NanoTechnology CEINT, Duke University, Durham, North Carolina 27707, USA
| | - Ester Artells
- 1] International Consortium for the Environmental Implications of Nanotechnology iCEINT, CNRS-Duke University, Aix en Provence, France [2] CNRS, Aix-Marseille Université, CNRS, Institut Méditerranéen de Biodiversité et d'Ecologie marine et continentale (IMBE), UMR 7263, Marseille, France
| | - Julien Issartel
- 1] International Consortium for the Environmental Implications of Nanotechnology iCEINT, CNRS-Duke University, Aix en Provence, France [2] CNRS, Aix-Marseille Université, CNRS, Institut Méditerranéen de Biodiversité et d'Ecologie marine et continentale (IMBE), UMR 7263, Marseille, France
| | - Armand Masion
- 1] CNRS, Aix-Marseille Université, CEREGE UM34, UMR 7330, 13545 Aix en Provence, France [2] International Consortium for the Environmental Implications of Nanotechnology iCEINT, CNRS-Duke University, Aix en Provence, France
| | - Jérôme Rose
- 1] CNRS, Aix-Marseille Université, CEREGE UM34, UMR 7330, 13545 Aix en Provence, France [2] International Consortium for the Environmental Implications of Nanotechnology iCEINT, CNRS-Duke University, Aix en Provence, France [3] Center for the Environmental Implications of NanoTechnology CEINT, Duke University, Durham, North Carolina 27707, USA
| | - Mark R Wiesner
- 1] International Consortium for the Environmental Implications of Nanotechnology iCEINT, CNRS-Duke University, Aix en Provence, France [2] Center for the Environmental Implications of NanoTechnology CEINT, Duke University, Durham, North Carolina 27707, USA
| | - Wafa Achouak
- 1] International Consortium for the Environmental Implications of Nanotechnology iCEINT, CNRS-Duke University, Aix en Provence, France [2] CNRS, Aix-Marseille Université, CEA Cadarache DSV/IBEB/SBVME, Lab Ecol Microb Rhizosphere & Environ Extrem (LEMiRE), UMR 7265, Saint Paul lez Durance, France
| | - Alain Thiéry
- 1] International Consortium for the Environmental Implications of Nanotechnology iCEINT, CNRS-Duke University, Aix en Provence, France [2] CNRS, Aix-Marseille Université, CNRS, Institut Méditerranéen de Biodiversité et d'Ecologie marine et continentale (IMBE), UMR 7263, Marseille, France
| | - Jean-Yves Bottero
- 1] CNRS, Aix-Marseille Université, CEREGE UM34, UMR 7330, 13545 Aix en Provence, France [2] International Consortium for the Environmental Implications of Nanotechnology iCEINT, CNRS-Duke University, Aix en Provence, France [3] Center for the Environmental Implications of NanoTechnology CEINT, Duke University, Durham, North Carolina 27707, USA
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22
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Saleh NB, Afrooz ARMN, Bisesi JH, Aich N, Plazas-Tuttle J, Sabo-Attwood T. Emergent Properties and Toxicological Considerations for Nanohybrid Materials in Aquatic Systems. NANOMATERIALS (BASEL, SWITZERLAND) 2014; 4:372-407. [PMID: 28344229 PMCID: PMC5304671 DOI: 10.3390/nano4020372] [Citation(s) in RCA: 37] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/11/2014] [Revised: 05/21/2014] [Accepted: 05/21/2014] [Indexed: 12/21/2022]
Abstract
Conjugation of multiple nanomaterials has become the focus of recent materials development. This new material class is commonly known as nanohybrids or "horizon nanomaterials". Conjugation of metal/metal oxides with carbonaceous nanomaterials and overcoating or doping of one metal with another have been pursued to enhance material performance and/or incorporate multifunctionality into nano-enabled devices and processes. Nanohybrids are already at use in commercialized energy, electronics and medical products, which warrant immediate attention for their safety evaluation. These conjugated ensembles likely present a new set of physicochemical properties that are unique to their individual component attributes, hence increasing uncertainty in their risk evaluation. Established toxicological testing strategies and enumerated underlying mechanisms will thus need to be re-evaluated for the assessment of these horizon materials. This review will present a critical discussion on the altered physicochemical properties of nanohybrids and analyze the validity of existing nanotoxicology data against these unique properties. The article will also propose strategies to evaluate the conjugate materials' safety to help undertake future toxicological research on the nanohybrid material class.
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Affiliation(s)
- Navid B. Saleh
- Department of Civil, Architectural and Environmental Engineering, University of Texas at Austin, Austin, TX 78712, USA; E-Mails: (N.B.S); (A.R.M.N.A.); (N.A.); (J.P.-T.)
| | - A. R. M. Nabiul Afrooz
- Department of Civil, Architectural and Environmental Engineering, University of Texas at Austin, Austin, TX 78712, USA; E-Mails: (N.B.S); (A.R.M.N.A.); (N.A.); (J.P.-T.)
| | - Joseph H. Bisesi
- Department of Environmental and Global Health, Center for Human and Environmental Toxicology, University of Florida, Gainesville, FL 32611, USA; E-Mail:
| | - Nirupam Aich
- Department of Civil, Architectural and Environmental Engineering, University of Texas at Austin, Austin, TX 78712, USA; E-Mails: (N.B.S); (A.R.M.N.A.); (N.A.); (J.P.-T.)
| | - Jaime Plazas-Tuttle
- Department of Civil, Architectural and Environmental Engineering, University of Texas at Austin, Austin, TX 78712, USA; E-Mails: (N.B.S); (A.R.M.N.A.); (N.A.); (J.P.-T.)
| | - Tara Sabo-Attwood
- Department of Environmental and Global Health, Center for Human and Environmental Toxicology, University of Florida, Gainesville, FL 32611, USA; E-Mail:
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23
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Villarreal FD, Das GK, Abid A, Kennedy IM, Kültz D. Sublethal effects of CuO nanoparticles on Mozambique tilapia (Oreochromis mossambicus) are modulated by environmental salinity. PLoS One 2014; 9:e88723. [PMID: 24520417 PMCID: PMC3919801 DOI: 10.1371/journal.pone.0088723] [Citation(s) in RCA: 42] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2013] [Accepted: 01/10/2014] [Indexed: 11/19/2022] Open
Abstract
The increasing use of manufactured nanoparticles (NP) in different applications has triggered the need to understand their putative ecotoxicological effects in the environment. Copper oxide nanoparticles (CuO NP) are toxic, and induce oxidative stress and other pathophysiological conditions. The unique properties of NP can change depending on the characteristics of the media they are suspended in, altering the impact on their toxicity to aquatic organisms in different environments. Here, Mozambique tilapia (O. mossambicus) were exposed to flame synthesized CuO NP (0.5 and 5 mg·L−1) in two environmental contexts: (a) constant freshwater (FW) and (b) stepwise increase in environmental salinity (SW). Sublethal effects of CuO NP were monitored and used to dermine exposure endpoints. Fish exposed to 5 mg·L−1 CuO in SW showed an opercular ventilation rate increase, whereas fish exposed to 5 mg·L−1 in FW showed a milder response. Different effects of CuO NP on antioxidant enzyme activities, accumulation of transcripts for metal-responsive genes, GSH∶GSSG ratio, and Cu content in fish gill and liver also demonstrate that additive osmotic stress modulates CuO NP toxicity. We conclude that the toxicity of CuO NP depends on the particular environmental context and that salinity is an important factor for modulating NP toxicity in fish.
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Affiliation(s)
- Fernando D. Villarreal
- Department of Animal Science, University of California-Davis, Davis, California, United States of America
- * E-mail:
| | - Gautom Kumar Das
- Department of Mechanical and Aerospace Engineering, University of California-Davis, Davis, California, United States of America
| | - Aamir Abid
- Department of Mechanical and Aerospace Engineering, University of California-Davis, Davis, California, United States of America
| | - Ian M. Kennedy
- Department of Mechanical and Aerospace Engineering, University of California-Davis, Davis, California, United States of America
| | - Dietmar Kültz
- Department of Animal Science, University of California-Davis, Davis, California, United States of America
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