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Wadle A, Neal-Walthall N, Ndu U, Hsu-Kim H. Distribution and Homogenization of Multiple Mercury Species Inputs to Freshwater Wetland Mesocosms. Environ Sci Technol 2024; 58:1709-1720. [PMID: 38181227 PMCID: PMC10810159 DOI: 10.1021/acs.est.3c07169] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/31/2023] [Revised: 12/17/2023] [Accepted: 12/18/2023] [Indexed: 01/07/2024]
Abstract
Mercury (Hg)-impaired aquatic ecosystems often receive multiple inputs of different Hg species with varying potentials for transformation and bioaccumulation. Over time, these distinct input pools of Hg homogenize in their relative distributions and bioaccumulation potentials as a result of biogeochemical processes and other aging processes within the ecosystem. This study sought to evaluate the relative time scale for homogenization of multiple Hg inputs to wetlands, information that is relevant for ecosystem management strategies that consider Hg source apportionment. We performed experiments in simulated freshwater wetland mesocosms that were dosed with four isotopically labeled mercury forms: two dissolved forms (Hg2+ and Hg-humic acid) and two particulate forms (nano-HgS and Hg adsorbed to FeS). Over the course of one year, we monitored the four Hg isotope endmembers for their relative distribution between surface water, sediment, and fish in the mesocosms, partitioning between soluble and particulate forms, and conversion to methylated mercury (MeHg). We also evaluated the reactivity and mobility of Hg through sequential selective extractions of sediment and the uptake flux of aqueous Hg in a diffusive gradient in thin-film (DGT) passive samplers. We observed that the four isotope spikes were relatively similar in surface water concentration (ca. 3000 ng/L) immediately after spike addition. At 1-3 months after dosing, Hg concentrations were 1-50 ng/L and were greater for the initially dissolved isotope endmembers than the initially particulate endmembers. In contrast, the Hg isotope endmembers in surface sediments were similar in relative concentration within 2 months after spike addition. However, the uptake fluxes of Hg in DGT samplers, deployed in both the water column and surface sediment, were generally greater for initially dissolved Hg endmembers and lower for initially particulate endmembers. At one year postdosing, the DGT-uptake fluxes were converging toward similar values between the Hg isotope endmembers. However, the relative distribution of isotope endmembers was still significantly different in both the water column and sediment (p < 0.01 according to one-way ANOVA analysis). In contrast, selective sequential extractions resulted in a homogeneous distribution, with >90% of each endmember extracted in the KOH fraction, suggesting that Hg species were associated with sediment organic matter. For MeHg concentrations in surface sediment and fish, the relative contributions from each endmember were significantly different at all sampling time points. Altogether, these results provide insights into the time scales of distribution for different Hg species that enter a wetland ecosystem. While these inputs attain homogeneity in concentration in primary storage compartments (i.e., sediments) within weeks after addition, these input pools remain differentiated for more than one year in terms of reactivity for passive samplers, MeHg concentration, and bioaccumulation.
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Affiliation(s)
- Austin Wadle
- Department
of Civil and Environmental Engineering, Duke University, P.O. Box 90287, Durham, North Carolina 27708, United States
| | - Natalia Neal-Walthall
- Department
of Civil and Environmental Engineering, Duke University, P.O. Box 90287, Durham, North Carolina 27708, United States
| | - Udonna Ndu
- Department
of Civil and Environmental Engineering, Duke University, P.O. Box 90287, Durham, North Carolina 27708, United States
- Harte
Research Institute for Gulf of Mexico Studies, Texas A&M Corpus
Christi, Corpus Christi, Texas 78412, United States
| | - Heileen Hsu-Kim
- Department
of Civil and Environmental Engineering, Duke University, P.O. Box 90287, Durham, North Carolina 27708, United States
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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. Environ Sci Technol 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] [What about the content of this article? (0)] [Affiliation(s)] [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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Perrotta BG, Simonin M, Colman BP, Anderson SM, Baruch E, Castellon BT, Matson CW, Bernhardt ES, King RS. Chronic Engineered Nanoparticle Additions Alter Insect Emergence and Result in Metal Flux from Aquatic Ecosystems into Riparian Food Webs. Environ Sci Technol 2023; 57:8085-8095. [PMID: 37200151 DOI: 10.1021/acs.est.3c00620] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/20/2023]
Abstract
Freshwater ecosystems are exposed to engineered nanoparticles (NPs) through discharge from wastewater and agricultural runoff. We conducted a 9-month mesocosm experiment to examine the combined effects of chronic NP additions on insect emergence and insect-mediated contaminant flux to riparian spiders. Two NPs (copper, gold, plus controls) were crossed by two levels of nutrients in 18 outdoor mesocosms open to natural insect and spider colonization. We collected adult insects and two riparian spider genera, Tetragnatha and Dolomedes, for 1 week on a monthly basis. We estimated a significant decrease in cumulative insect emergence of 19% and 24% after exposure to copper and gold NPs, irrespective of nutrient level. NP treatments led to elevated copper and gold tissue concentrations in adult insects, which resulted in terrestrial fluxes of metals. These metal fluxes were associated with increased gold and copper tissue concentrations for both spider genera. We also observed about 25% fewer spiders in the NP mesocosms, likely due to reduced insect emergence and/or NP toxicity. These results demonstrate the transfer of NPs from aquatic to terrestrial ecosystems via emergence of aquatic insects and predation by riparian spiders, as well as significant reductions in insect and spider abundance in response to NP additions.
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Affiliation(s)
- Brittany G Perrotta
- Center for the Environmental Implications of NanoTechnology, Duke University, Durham, North Carolina 27708, United States
- Center for Reservoir and Aquatic Systems Research (CRASR), Baylor University, Waco, Texas 76798, United States
- Department of Biology, Baylor University, Waco, Texas 76798, United States
| | - Marie Simonin
- Center for the Environmental Implications of NanoTechnology, Duke University, Durham, North Carolina 27708, United States
- Department of Biology, Duke University, Durham, North Carolina 27708, United States
- University of Angers, Institut Agro, INRAE, IRHS, SFR QUASAV, F-49000 Angers, France
| | - Benjamin P Colman
- Center for the Environmental Implications of NanoTechnology, Duke University, Durham, North Carolina 27708, United States
- Department of Ecosystem and Conservation Sciences, University of Montana, Missoula, Montana 59812, United States
| | - Steven M Anderson
- Center for the Environmental Implications of NanoTechnology, Duke University, Durham, North Carolina 27708, United States
- Department of Biology, Duke University, Durham, North Carolina 27708, United States
| | - Ethan Baruch
- Center for the Environmental Implications of NanoTechnology, Duke University, Durham, North Carolina 27708, United States
- Department of Biology, Duke University, Durham, North Carolina 27708, United States
| | - Benjamin T Castellon
- Center for the Environmental Implications of NanoTechnology, Duke University, Durham, North Carolina 27708, United States
- Center for Reservoir and Aquatic Systems Research (CRASR), Baylor University, Waco, Texas 76798, United States
- Department of Environmental Science, Baylor University, Waco, Texas 76798, United States
- Institute of Biomedical Studies, Baylor University, Waco, Texas 76798, United States
| | - Cole W Matson
- Center for the Environmental Implications of NanoTechnology, Duke University, Durham, North Carolina 27708, United States
- Center for Reservoir and Aquatic Systems Research (CRASR), Baylor University, Waco, Texas 76798, United States
- Department of Environmental Science, Baylor University, Waco, Texas 76798, United States
- Institute of Biomedical Studies, Baylor University, Waco, Texas 76798, United States
| | - Emily S Bernhardt
- Center for the Environmental Implications of NanoTechnology, Duke University, Durham, North Carolina 27708, United States
- Department of Biology, Duke University, Durham, North Carolina 27708, United States
| | - Ryan S King
- Center for the Environmental Implications of NanoTechnology, Duke University, Durham, North Carolina 27708, United States
- Center for Reservoir and Aquatic Systems Research (CRASR), Baylor University, Waco, Texas 76798, United States
- Department of Biology, Baylor University, Waco, Texas 76798, United States
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Vineeth Kumar CM, Karthick V, Kumar VG, Inbakandan D, Rene ER, Suganya KSU, Embrandiri A, Dhas TS, Ravi M, Sowmiya P. The impact of engineered nanomaterials on the environment: Release mechanism, toxicity, transformation, and remediation. Environ Res 2022; 212:113202. [PMID: 35398077 DOI: 10.1016/j.envres.2022.113202] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/13/2022] [Revised: 02/24/2022] [Accepted: 03/24/2022] [Indexed: 06/14/2023]
Abstract
The presence and longevity of nanomaterials in the ecosystem, as well as their properties, account for environmental toxicity. When nanomaterials in terrestrial and aquatic systems are exposed to the prevailing environmental conditions, they undergo various transformations such as dissociation, dissolution, and aggregation, which affects the food chain. The toxicity of nanomaterials is influenced by a variety of factors, including environmental factors and its physico-chemical characteristics. Bioaccumulation, biotransformation, and biomagnification are the mechanisms that have been identified for determining the fate of nanomaterials. The route taken by nanomaterials to reach living cells provides us with information about their toxicity profile. This review discusses the recent advances in the transport, transformation, and fate of nanomaterials after they are released into the environment. The review also discusses how nanoparticles affect lower trophic organisms through direct contact, the impact of nanoparticles on higher trophic organisms, and the possible options for remediation.
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Affiliation(s)
- C M Vineeth Kumar
- Centre for Ocean Research, Col. Dr. Jeppiaar Research Park, Sathyabama Institute of Science and Technology, Jeppiaar Nagar, Rajiv Gandhi Salai, Chennai, 600119, Tamilnadu, India
| | - V Karthick
- Centre for Ocean Research, Col. Dr. Jeppiaar Research Park, Sathyabama Institute of Science and Technology, Jeppiaar Nagar, Rajiv Gandhi Salai, Chennai, 600119, Tamilnadu, India.
| | - V Ganesh Kumar
- Centre for Ocean Research, Col. Dr. Jeppiaar Research Park, Sathyabama Institute of Science and Technology, Jeppiaar Nagar, Rajiv Gandhi Salai, Chennai, 600119, Tamilnadu, India
| | - D Inbakandan
- Centre for Ocean Research, Col. Dr. Jeppiaar Research Park, Sathyabama Institute of Science and Technology, Jeppiaar Nagar, Rajiv Gandhi Salai, Chennai, 600119, Tamilnadu, India
| | - Eldon R Rene
- Department of Water Supply, Sanitation and Environmental Engineering, IHE Delft Institute for Water Education, Westvest 7, P. O. Box 3015, 2611AX Delft, the Netherlands
| | - K S Uma Suganya
- Department of Biotechnology and Biochemical Engineering, Sree Chitra Thirunal College of Engineering, Pappanamcode, Thiruvananthapuram, 695018, Kerala, India
| | - Asha Embrandiri
- Department of Environmental Health, College of Medicine and Health Sciences, Wollo University, P. O. Box 1145, Dessie, Amhara, Ethiopia
| | - T Stalin Dhas
- Centre for Ocean Research, Col. Dr. Jeppiaar Research Park, Sathyabama Institute of Science and Technology, Jeppiaar Nagar, Rajiv Gandhi Salai, Chennai, 600119, Tamilnadu, India
| | - M Ravi
- Centre for Ocean Research, Col. Dr. Jeppiaar Research Park, Sathyabama Institute of Science and Technology, Jeppiaar Nagar, Rajiv Gandhi Salai, Chennai, 600119, Tamilnadu, India
| | - P Sowmiya
- Centre for Ocean Research, Col. Dr. Jeppiaar Research Park, Sathyabama Institute of Science and Technology, Jeppiaar Nagar, Rajiv Gandhi Salai, Chennai, 600119, Tamilnadu, India
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Kusiak M, Oleszczuk P, Jośko I. Cross-examination of engineered nanomaterials in crop production: Application and related implications. J Hazard Mater 2022; 424:127374. [PMID: 34879568 DOI: 10.1016/j.jhazmat.2021.127374] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/06/2021] [Revised: 09/21/2021] [Accepted: 09/26/2021] [Indexed: 06/13/2023]
Abstract
The review presents the current knowledge on the development and implementation of nanotechnology in crop production, giving particular attention to potential opportunities and challenges of the use of nano-sensors, nano-pesticides, and nano-fertilizers. Due to the size-dependent properties, e.g. high reactivity, targeted and controlled delivery of active ingredients, engineered nanomaterials (ENMs) are expected to be more efficient agrochemicals than conventional agents. Growing production and usage of ENMs result in the spread of ENMs in the environment. Because plants constitute an important component of the agri-ecosystem, they are subjected to the ENMs activity. A number of studies have confirmed the uptake and translocation of ENMs by plants as well as their positive/negative effects on plants. Here, these endpoints are briefly summarized to show the diversity of plant responses to ENMs. The review includes a detailed molecular analysis of ENMs-plant interactions. The transcriptomics, proteomics and metabolomics tools have been very recently employed to explore ENMs-induced effects in planta. The omics approach allows a comprehensive understanding of the specific machinery of ENMs occurring at the molecular level. The summary of data will be valuable in defining future studies on the ENMs-plant system, which is crucial for developing a suitable strategy for the ENMs usage.
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Affiliation(s)
- Magdalena Kusiak
- Institute of Plant Genetics, Breeding and Biotechnology, Faculty of Agrobioengineering, University of Life Sciences, Lublin, Poland
| | - Patryk Oleszczuk
- Department of Radiochemistry and Environmental Chemistry, Faculty of Chemistry, Maria Curie-Skłodowska University, Lublin, Poland
| | - Izabela Jośko
- Institute of Plant Genetics, Breeding and Biotechnology, Faculty of Agrobioengineering, University of Life Sciences, Lublin, Poland.
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Neal-Walthall N, Ndu U, Rivera NA, Elias DA, Hsu-Kim H. Utility of Diffusive Gradient in Thin-Film Passive Samplers for Predicting Mercury Methylation Potential and Bioaccumulation in Freshwater Wetlands. Environ Sci Technol 2022; 56:1743-1752. [PMID: 35044747 PMCID: PMC9630924 DOI: 10.1021/acs.est.1c06796] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Mercury is a risk in aquatic ecosystems when the metal is converted to methylmercury (MeHg) and subsequently bioaccumulates in aquatic food webs. This risk can be difficult to manage because of the complexity of biogeochemical processes for mercury and the need for accessible techniques to navigate this complexity. Here, we explored the use of diffusive gradient in thin-film (DGT) passive samplers as a tool to simultaneously quantify the methylation potential of inorganic Hg (IHg) and the bioaccumulation potential of MeHg in freshwater wetlands. Outdoor freshwater wetland mesocosms were amended with four isotopically labeled and geochemically relevant IHg forms that represent a range of methylation potentials (202Hg2+, 201Hg-humic acid, 199Hg-sorbed to FeS, and 200HgS nanoparticles). Six weeks after the spikes, we deployed DGT samplers in the mesocosm water and sediments, evaluated DGT-uptake rates of total Hg, MeHg, and IHg (calculated by difference) for the Hg isotope spikes, and examined correlations with total Hg, MeHg, and IHg concentrations in sediment, water, and micro and macrofauna in the ecosystem. In the sediments, we observed greater relative MeHg concentrations from the initially dissolved IHg isotope spikes and lower MeHg levels from the initially particulate IHg spikes. These trends were consistent with uptake flux of IHg into DGTs deployed in surface sediments. Moreover, we observed correlations between total Hg-DGT uptake flux and MeHg levels in periphyton biofilms, submergent plant stems, snails, and mosquitofish in the ecosystem. These correlations were better for DGTs deployed in the water column compared to DGTs in the sediments, suggesting the importance of vertical distribution of bioavailable MeHg in relation to food sources for macrofauna. Overall, these results demonstrate that DGT passive samplers are a relatively simple and efficient tool for predicting IHg methylation and MeHg bioaccumulation potentials without the need to explicitly delineate IHg and MeHg speciation and partitioning in complex ecosystems.
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Affiliation(s)
- Natalia Neal-Walthall
- Department of Civil and Environmental Engineering, Duke University, Box 90287, Durham, North Carolina 27708, United States
| | - Udonna Ndu
- Department of Civil and Environmental Engineering, Duke University, Box 90287, Durham, North Carolina 27708, United States
- Harte Research Institute for Gulf of Mexico Studies, Texas A&M Corpus Christi, Corpus Christi, TX, 78412, United States
| | - Nelson A. Rivera
- Department of Civil and Environmental Engineering, Duke University, Box 90287, Durham, North Carolina 27708, United States
| | - Dwayne A. Elias
- Elias Consulting, LLC, Knoxville, Tennessee 37934, United States
| | - Heileen Hsu-Kim
- Department of Civil and Environmental Engineering, Duke University, Box 90287, Durham, North Carolina 27708, United States
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Huang D, Dang F, Huang Y, Chen N, Zhou D. Uptake, translocation, and transformation of silver nanoparticles in plants. Environ Sci : Nano 2022; 9:12-39. [PMID: 0 DOI: 10.1039/d1en00870f] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
Abstract
This article reviews the plant uptake of silver nanoparticles (AgNPs) that occurred in soil systems and the in planta fate of Ag.
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Affiliation(s)
- Danyu Huang
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing 210023, Jiangsu Province, P.R. China
| | - Fei Dang
- Key Laboratory of Soil Environment and Pollution Remediation, Institute of Soil Science, Chinese Academy of Sciences, Nanjing 210008, Jiangsu Province, P.R. China
| | - Yingnan Huang
- Key Laboratory of Soil Environment and Pollution Remediation, Institute of Soil Science, Chinese Academy of Sciences, Nanjing 210008, Jiangsu Province, P.R. China
- University of Chinese Academy of Sciences, Beijing 100049, P.R. China
| | - Ning Chen
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing 210023, Jiangsu Province, P.R. China
| | - Dongmei Zhou
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing 210023, Jiangsu Province, P.R. China
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Wang T, Liu W. Emerging investigator series: metal nanoparticles in freshwater: transformation, bioavailability and effects on invertebrates. Environ Sci : Nano 2022; 9:2237-2263. [PMID: 35923327 PMCID: PMC9282172 DOI: 10.1039/d2en00052k] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/18/2022] [Accepted: 04/25/2022] [Indexed: 01/14/2023]
Abstract
MNPs may undergo different environmental transformations in aquatic systems, consequently changing their mobility, bioavailability and toxicity to freshwater invertebrates.
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Affiliation(s)
- Ting Wang
- Department F.-A. Forel for Environmental and Aquatic Sciences, Faculty of Sciences, Earth and Environment Sciences, University of Geneva, Uni Carl Vogt, 66 Blvd Carl-Vogt, CH 1211 Geneva, Switzerland
| | - Wei Liu
- Department F.-A. Forel for Environmental and Aquatic Sciences, Faculty of Sciences, Earth and Environment Sciences, University of Geneva, Uni Carl Vogt, 66 Blvd Carl-Vogt, CH 1211 Geneva, Switzerland
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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. Environ Sci Technol 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] [What about the content of this article? (0)] [Affiliation(s)] [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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Lord MS, Berret JF, Singh S, Vinu A, Karakoti AS. Redox Active Cerium Oxide Nanoparticles: Current Status and Burning Issues. Small 2021; 17:e2102342. [PMID: 34363314 DOI: 10.1002/smll.202102342] [Citation(s) in RCA: 50] [Impact Index Per Article: 16.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/22/2021] [Revised: 06/09/2021] [Indexed: 06/13/2023]
Abstract
Research on cerium oxide nanoparticles (nanoceria) has captivated the scientific community due to their unique physical and chemical properties, such as redox activity and oxygen buffering capacity, which made them available for many technical applications, including biomedical applications. The redox mimetic antioxidant properties of nanoceria have been effective in the treatment of many diseases caused by reactive oxygen species (ROS) and reactive nitrogen species. The mechanism of ROS scavenging activity of nanoceria is still elusive, and its redox activity is controversial due to mixed reports in the literature showing pro-oxidant and antioxidant activity. In light of its current research interest, it is critical to understand the behavior of nanoceria in the biological environment and provide answers to some of the critical and open issues. This review critically analyzes the status of research on the application of nanoceria to treat diseases caused by ROS. It reviews the proposed mechanism of action and shows the effect of surface coatings on its redox activity. It also discusses some of the crucial issues in deciphering the mechanism and redox activity of nanoceria and suggests areas of future research.
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Affiliation(s)
- Megan S Lord
- Graduate School of Biomedical Engineering, UNSW Sydney, Sydney, New South Wales, 2052, Australia
| | | | - Sanjay Singh
- National Institute of Animal Biotechnology, Hyderabad, Telangana, 500032, India
| | - Ajayan Vinu
- Global Innovative Center for Advanced Nanomaterials, College of Engineering Science and Environment, The University of Newcastle, Callaghan, New South Wales, 2308, Australia
| | - Ajay S Karakoti
- Global Innovative Center for Advanced Nanomaterials, College of Engineering Science and Environment, The University of Newcastle, Callaghan, New South Wales, 2308, Australia
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Lv Z, Sun H, Du W, Li R, Mao H, Kopittke PM. Interaction of different-sized ZnO nanoparticles with maize (Zea mays): Accumulation, biotransformation and phytotoxicity. Sci Total Environ 2021; 796:148927. [PMID: 34271385 DOI: 10.1016/j.scitotenv.2021.148927] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/01/2021] [Revised: 07/01/2021] [Accepted: 07/05/2021] [Indexed: 05/27/2023]
Abstract
This study aimed to investigate the biotransformation of ZnO nanoparticles (NPs) in maize grown in hydroponics for ecotoxicity assessment. Maize seedlings grown for 14 days were exposed to a solution of 9 nm ZnO NPs, 40 nm ZnO NPs, and ZnSO4 at a Zn concentration of 300 mg L-1 for 1, 3, and 7 days, respectively. The results of in-situ Zn distribution in maize (Zea mays) showed that 9 nm ZnO NPs could quickly enter the roots of maize and reach the center column transport system of the stem. The results of transmission electron microscopy combined with energy dispersive X-ray spectroscopy revealed that ZnO NPs were accumulated in the vacuoles of the roots, and then transformed and transported through vesicles. Simulated studies showed that low pH (5.6) played a critical role in the transformation of ZnO NPs, and organic acids (Kf = 1011.4) could promote particle dissolution. Visual MINTEQ software simulated the species of Zn after the entry of ZnO NPs or Zn2+ into plants and found that the species of Zn was mainly Zn2+ when the Zn content of plants reached 200-300 ppm. Considering that the lowest Zn content of the roots in treatments was 1920 mg kg-1, combination of the result analysis of root effects showed that the toxicity of roots in most treatments had a direct relationship with Zn2+. However, treatment with 9 nm ZnO NPs exhibited significantly higher toxicity than ZnSO4 treatment on day 1 when the Zn2+ concentration difference was not significant, which was mainly due to the large amount of ZnO NPs deposited in the roots. To the authors' knowledge, this study was the first to confirm the process of biotransformation and explore the factors affecting the toxicity of ZnO NPs in depth.
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Affiliation(s)
- Zhiyuan Lv
- College of Natural Resources and Environment, Northwest A&F University, Yangling, 712100, Shaanxi, China; Key Laboratory of Plant Nutrition and the Agri-environment in Northwest China, Ministry of Agriculture, Yangling, 712100, Shaanxi, China
| | - Hongda Sun
- College of Natural Resources and Environment, Northwest A&F University, Yangling, 712100, Shaanxi, China
| | - Wei Du
- College of Natural Resources and Environment, Northwest A&F University, Yangling, 712100, Shaanxi, China
| | - Ruoyi Li
- College of Natural Resources and Environment, Northwest A&F University, Yangling, 712100, Shaanxi, China
| | - Hui Mao
- College of Natural Resources and Environment, Northwest A&F University, Yangling, 712100, Shaanxi, China; Key Laboratory of Plant Nutrition and the Agri-environment in Northwest China, Ministry of Agriculture, Yangling, 712100, Shaanxi, China.
| | - Peter M Kopittke
- School of Agriculture and Food Sciences, The University of Queensland, St. Lucia, Queensland 4072, Australia
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Lahive E, Schultz CL, Van Gestel CAM, Robinson A, Horton AA, Spurgeon DJ, Svendsen C, Busquets-Fité M, Matzke M, Green Etxabe A. A Kinetic Approach for Assessing the Uptake of Ag from Pristine and Sulfidized Ag Nanomaterials to Plants. Environ Toxicol Chem 2021; 40:1861-1872. [PMID: 33661534 DOI: 10.1002/etc.5031] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/09/2020] [Revised: 11/23/2020] [Accepted: 02/28/2021] [Indexed: 06/12/2023]
Abstract
Nanomaterials (NMs) are thermodynamically unstable by nature, and exposure of soil organisms to NMs in the terrestrial environment cannot be assumed constant. Thus, steady-state conditions may not apply to NMs, and bioaccumulation modeling for uptake should follow a dynamic approach. The one-compartment model allows the uptake and elimination of a chemical to be determined, while also permitting changes in exposure and growth to be taken into account. The aim of the present study was to investigate the accumulation of Ag from different Ag NM types (20 nm Ag0 NMs, 50 nm Ag0 NMs, and 25 nm Ag2 S NMs) in the crop plant wheat (Triticum aestivum). Seeds were emerged in contaminated soils (3 or 10 mg Ag/kg dry soil, nominal) and plants grown for up to 42 d postemergence. Plant roots and shoots were collected after 1, 7, 14, 21, and 42 d postemergence; and total Ag was measured. Soil porewater Ag concentrations were also measured at each sampling time. Using the plant growth rates in the different treatments and the changing porewater concentrations as parameters, the one-compartment model was used to estimate the uptake and elimination of Ag from the plant tissues. The best fit of the model to the data included growth rate and porewater concentration decline, while showing elimination of Ag to be close to zero. Uptake was highest for Ag0 NMs, and size did not influence their uptake rates. Accumulation of Ag from Ag2 S NMs was lower, as reflected by the lower porewater concentrations. Environ Toxicol Chem 2021;40:1861-1872. © 2021 The Authors. Environmental Toxicology and Chemistry published by Wiley Periodicals LLC on behalf of SETAC.
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Affiliation(s)
- E Lahive
- UK Centre for Ecology and Hydrology, Crowmarsh Gifford, Wallingford, United Kingdom
| | - C L Schultz
- UK Centre for Ecology and Hydrology, Crowmarsh Gifford, Wallingford, United Kingdom
| | - C A M Van Gestel
- Department of Ecological Science, Faculty of Science, Vrije Universiteit, Amsterdam, The Netherlands
| | - A Robinson
- UK Centre for Ecology and Hydrology, Crowmarsh Gifford, Wallingford, United Kingdom
| | - A A Horton
- UK Centre for Ecology and Hydrology, Crowmarsh Gifford, Wallingford, United Kingdom
- National Oceanography Centre, Southampton, United Kingdom
| | - D J Spurgeon
- UK Centre for Ecology and Hydrology, Crowmarsh Gifford, Wallingford, United Kingdom
| | - C Svendsen
- UK Centre for Ecology and Hydrology, Crowmarsh Gifford, Wallingford, United Kingdom
| | | | - M Matzke
- UK Centre for Ecology and Hydrology, Crowmarsh Gifford, Wallingford, United Kingdom
| | - A Green Etxabe
- UK Centre for Ecology and Hydrology, Crowmarsh Gifford, Wallingford, United Kingdom
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13
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McMillan HM, Rogers N, Wadle A, Hsu-Kim H, Wiesner MR, Kuehn MJ, Hendren CO. Microbial vesicle-mediated communication: convergence to understand interactions within and between domains of life. Environ Sci Process Impacts 2021; 23:664-677. [PMID: 33899070 DOI: 10.1039/d1em00022e] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
All cells produce extracellular vesicles (EVs). These biological packages contain complex mixtures of molecular cargo and have a variety of functions, including interkingdom communication. Recent discoveries highlight the roles microbial EVs may play in the environment with respect to interactions with plants as well as nutrient cycling. These studies have also identified molecules present within EVs and associated with EV surfaces that contribute to these functions. In parallel, studies of engineered nanomaterials have developed methods to track and model small particle behavior in complex systems and measure the relative importance of various surface features on transport and function. While studies of EV behavior in complex environmental conditions have not yet employed transdisciplinary approaches, it is increasingly clear that expertise from disparate fields will be critical to understand the role of EVs in these systems. Here, we outline how the convergence of biology, soil geochemistry, and colloid science can both develop and address questions surrounding the basic principles governing EV-mediated interkingdom interactions.
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Affiliation(s)
- Hannah M McMillan
- Department of Molecular Genetics and Microbiology, Duke University Medical Center, Durham, NC 27710, USA
| | - Nicholas Rogers
- Department of Civil and Environmental Engineering, Duke University, Durham, NC 27708, USA
| | - Austin Wadle
- Department of Civil and Environmental Engineering, Duke University, Durham, NC 27708, USA
| | - Heileen Hsu-Kim
- Department of Civil and Environmental Engineering, Duke University, Durham, NC 27708, USA
| | - Mark R Wiesner
- Department of Civil and Environmental Engineering, Duke University, Durham, NC 27708, USA
| | - Meta J Kuehn
- Department of Molecular Genetics and Microbiology, Duke University Medical Center, Durham, NC 27710, USA and Department of Biochemistry, Duke University Medical Center, Durham, NC 27710, USA
| | - Christine Ogilvie Hendren
- Department of Civil and Environmental Engineering, Duke University, Durham, NC 27708, USA and Department of Geological and Environmental Sciences, Appalachian State University, Boone, NC 28608, USA.
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Lizzi D, Mattiello A, Adamiano A, Fellet G, Gava E, Marchiol L. Influence of Cerium Oxide Nanoparticles on Two Terrestrial Wild Plant Species. Plants (Basel) 2021; 10:335. [PMID: 33578641 PMCID: PMC7916331 DOI: 10.3390/plants10020335] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/19/2021] [Revised: 01/28/2021] [Accepted: 02/05/2021] [Indexed: 11/23/2022]
Abstract
Most current studies on the relationships between plans and engineered nanomaterials (ENMs) are focused on food crops, while the effects on spontaneous plants have been neglected so far. However, from an ecological perspective, the ENMs impacts on the wild plants could have dire consequences on food webs and ecosystem services. Therefore, they should not be considered less critical. A pot trial was carried out in greenhouse conditions to evaluate the growth of Holcus lanatus L. (monocot) and Diplotaxis tenuifolia L. DC. (dicot) exposed to cerium oxide nanoparticles (nCeO2). Plants were grown for their entire cycle in a substrate amended with 200 mg kg-1nCeO2 having the size of 25 nm and 50 nm, respectively. nCeO2 were taken up by plant roots and then translocated towards leaf tissues of both species. However, the mean size of nCeO2 found in the roots of the species was different. In D. tenuifolia, there was evidence of more significant particle aggregation compared to H. lanatus. Further, biomass variables (dry weight of plant fractions and leaf area) showed that plant species responded differently to the treatments. In the experimental conditions, there were recorded stimulating effects on plant growth. However, nutritional imbalances for macro and micronutrients were observed, as well.
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Affiliation(s)
- Daniel Lizzi
- DI4A—Department of Agriculture, Food, Environment and Animal Sciences, University of Udine, Via delle Scienze 206, 33100 Udine, Italy; (D.L.); (A.M.); (G.F.)
- Department of Life Sciences, University of Trieste, Via Licio Giorgieri 10, 34127 Trieste, Italy
| | - Alessandro Mattiello
- DI4A—Department of Agriculture, Food, Environment and Animal Sciences, University of Udine, Via delle Scienze 206, 33100 Udine, Italy; (D.L.); (A.M.); (G.F.)
| | - Alessio Adamiano
- Institute of Science and Technology for Ceramics (ISTEC), National Research Council (CNR), Via Granarolo 64, 48018 Faenza, Italy;
| | - Guido Fellet
- DI4A—Department of Agriculture, Food, Environment and Animal Sciences, University of Udine, Via delle Scienze 206, 33100 Udine, Italy; (D.L.); (A.M.); (G.F.)
| | - Emanuele Gava
- Laboratory of Inorganic Micro Pollutants, Regional Environmental Protection Agency of Friuli Venezia Giulia (ARPA-FVG), Via Colugna 42, 33100 Udine, Italy;
| | - Luca Marchiol
- DI4A—Department of Agriculture, Food, Environment and Animal Sciences, University of Udine, Via delle Scienze 206, 33100 Udine, Italy; (D.L.); (A.M.); (G.F.)
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Lizzi D, Mattiello A, Piani B, Gava E, Fellet G, Marchiol L. Single and Repeated Applications of Cerium Oxide Nanoparticles Differently Affect the Growth and Biomass Accumulation of Silene flos-cuculi L. ( Caryophyllaceae). Nanomaterials (Basel) 2021; 11:229. [PMID: 33467176 PMCID: PMC7829812 DOI: 10.3390/nano11010229] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/16/2020] [Revised: 01/13/2021] [Accepted: 01/13/2021] [Indexed: 01/01/2023]
Abstract
Cerium oxide nanoparticles (nCeO2) have a wide variety of applications in industry. Models demonstrated that nCeO2 can reach environmental compartments. Studies regarding the relationships between plants and nCeO2 considered only crop species, whereas a relevant knowledge gap exists regarding wild plant species. Specimens of Silene flos-cuculi (Caryophyllaceae) were grown in greenhouse conditions in a substrate amended with a single dose (D1) and two and three doses (D2 and D3) of 20 mg kg-1 and 200 mg kg-1 nCeO2 suspensions, respectively. sp-ICP-MS and ICP-MS data demonstrated that nCeO2 was taken up by plant roots and translocated towards aerial plant fractions. Biometric variables showed that plants responded negatively to the treatments with a shortage in biomass of roots and stems. Although not at relevant concentrations, Ce was accumulated mainly in roots and plant leaves.
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Affiliation(s)
- Daniel Lizzi
- Department of AgriFood, Environmental and Animal Science, University of Udine, via delle Scienze 206, 33100 Udine, Italy; (D.L.); (A.M.); (B.P.); (G.F.)
- Department of Life Sciences, University of Trieste, Via Licio Giorgieri 10, 34127 Trieste, Italy
| | - Alessandro Mattiello
- Department of AgriFood, Environmental and Animal Science, University of Udine, via delle Scienze 206, 33100 Udine, Italy; (D.L.); (A.M.); (B.P.); (G.F.)
| | - Barbara Piani
- Department of AgriFood, Environmental and Animal Science, University of Udine, via delle Scienze 206, 33100 Udine, Italy; (D.L.); (A.M.); (B.P.); (G.F.)
| | - Emanuele Gava
- Laboratory of Inorganic Micro-Pollutants Regional Environmental Protection Agency of Friuli Venezia Giulia (ARPA-FVG), Via Colugna 42, 33100 Udine, Italy;
| | - Guido Fellet
- Department of AgriFood, Environmental and Animal Science, University of Udine, via delle Scienze 206, 33100 Udine, Italy; (D.L.); (A.M.); (B.P.); (G.F.)
| | - Luca Marchiol
- Department of AgriFood, Environmental and Animal Science, University of Udine, via delle Scienze 206, 33100 Udine, Italy; (D.L.); (A.M.); (B.P.); (G.F.)
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16
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Lizzi D, Mattiello A, Piani B, Fellet G, Adamiano A, Marchiol L. Germination and Early Development of Three Spontaneous Plant Species Exposed to Nanoceria ( nCeO 2) with Different Concentrations and Particle Sizes. Nanomaterials (Basel) 2020; 10:E2534. [PMID: 33348606 DOI: 10.3390/nano10122534] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/19/2020] [Revised: 12/12/2020] [Accepted: 12/15/2020] [Indexed: 11/16/2022]
Abstract
This study aimed to provide insight regarding the influence of Ce oxide nanoparticles (nCeO2) with different concentrations and two different particle sizes on the germination and root elongation in seedlings of spontaneous terrestrial species. In a bench-scale experiment, seeds of the monocot, Holcus lanatus and dicots Lychnis-flos-cuculi and Diplotaxis tenuifolia were treated with solutions containing nCeO2 25 nm and 50 nm in the range 0-2000 mg Ce L-1. The results show that nCeO2 enters within the plant tissues. Even at high concentration, nCeO2 have positive effects on seed germination and the development of the seedling roots. This study further demonstrated that the particle size had no influence on the germination of L. flos-cuculi, while in H. lanatus and D. tenuifolia, the germination percentage was slightly higher (+10%) for seeds treated with nCeO2 25 nm with respect to 50 nm. In summary, the results indicated that nCeO2 was taken up by germinating seeds, but even at the highest concentrations, they did not have negative effects on plant seedlings. The influence of the different sizes of nCeO2 on germination and root development was not very strong. It is likely that particle agglomeration and ion dissolution influenced the observed effects.
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Caixeta MB, Araújo PS, Gonçalves BB, Silva LD, Grano-Maldonado MI, Rocha TL. Toxicity of engineered nanomaterials to aquatic and land snails: A scientometric and systematic review. Chemosphere 2020; 260:127654. [PMID: 32758772 DOI: 10.1016/j.chemosphere.2020.127654] [Citation(s) in RCA: 41] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/07/2020] [Revised: 06/10/2020] [Accepted: 07/07/2020] [Indexed: 05/25/2023]
Abstract
The emerging growth of nanotechnology has attracted great attention due to its application in the parasite and intermediate host control. However, the knowledge concerning the mechanism of action (MoA) and toxicity of nanomaterials (NMs) to snails remain unclear. In this context, the present study revised the historical use of snails as experimental models in nanotoxicological studies and summarized the MoA and toxicity of NMs in aquatic and land snails. The data concerning the bioaccumulation, reproductive and transgenerational toxicity, embryotoxicity, genotoxicity and potential molluscicidal activity of NMs were revised. Furthermore, the data about the experimental conditions, such as exposure time, concentrations, cell and tissue-specific responses, snail species and nanoparticle types are discussed. Revised data showed that the toxic effects of NMs were reported for 21 snail species with medical, veterinary and ecological importance. The NM toxicity to snails is dependent on the physical and chemical properties of NMs, as well as their environmental transformation and experimental design. The NM bioaccumulation on snails was related to several toxic effects, such as reactive oxygen species (ROS) production, oxidative stress, following by oxidative damage to DNA, lipids and proteins. The NM metabolism in snails remains unknown. Results showed the potential use of NMs in the snail control program. Also, significant research gaps and recommendations for future researches are indicated. The present study confirms that snails are suitable invertebrate model system to assess the nanotoxicity.
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Affiliation(s)
- Maxwell Batista Caixeta
- Laboratory of Environmental Biotechnology and Ecotoxicology, Institute of Tropical Pathology and Public Health, Federal University of Goiás, Goiânia, Goiás, Brazil
| | - Paula Sampaio Araújo
- Laboratory of Environmental Biotechnology and Ecotoxicology, Institute of Tropical Pathology and Public Health, Federal University of Goiás, Goiânia, Goiás, Brazil
| | - Bruno Bastos Gonçalves
- Laboratory of Environmental Biotechnology and Ecotoxicology, Institute of Tropical Pathology and Public Health, Federal University of Goiás, Goiânia, Goiás, Brazil
| | - Luciana Damacena Silva
- Laboratory of Host-Parasite Interactions, State University of Goiás, Anápolis, Goiás, Brazil
| | | | - Thiago Lopes Rocha
- Laboratory of Environmental Biotechnology and Ecotoxicology, Institute of Tropical Pathology and Public Health, Federal University of Goiás, Goiânia, Goiás, Brazil.
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Svendsen C, Walker LA, Matzke M, Lahive E, Harrison S, Crossley A, Park B, Lofts S, Lynch I, Vázquez-Campos S, Kaegi R, Gogos A, Asbach C, Cornelis G, von der Kammer F, van den Brink NW, Mays C, Spurgeon DJ. Key principles and operational practices for improved nanotechnology environmental exposure assessment. Nat Nanotechnol 2020; 15:731-742. [PMID: 32807878 DOI: 10.1038/s41565-020-0742-1] [Citation(s) in RCA: 44] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/29/2019] [Accepted: 06/23/2020] [Indexed: 06/11/2023]
Abstract
Nanotechnology is identified as a key enabling technology due to its potential to contribute to economic growth and societal well-being across industrial sectors. Sustainable nanotechnology requires a scientifically based and proportionate risk governance structure to support innovation, including a robust framework for environmental risk assessment (ERA) that ideally builds on methods established for conventional chemicals to ensure alignment and avoid duplication. Exposure assessment developed as a tiered approach is equally beneficial to nano-specific ERA as for other classes of chemicals. Here we present the developing knowledge, practical considerations and key principles need to support exposure assessment for engineered nanomaterials for regulatory and research applications.
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Affiliation(s)
- Claus Svendsen
- UK Centre for Ecology and Hydrology, Wallingford, Oxfordshire, UK
| | - Lee A Walker
- UK Centre for Ecology and Hydrology, Lancaster Environment Centre, Lancaster, UK
| | - Marianne Matzke
- UK Centre for Ecology and Hydrology, Wallingford, Oxfordshire, UK
| | - Elma Lahive
- UK Centre for Ecology and Hydrology, Wallingford, Oxfordshire, UK
| | - Samuel Harrison
- UK Centre for Ecology and Hydrology, Lancaster Environment Centre, Lancaster, UK
| | - Alison Crossley
- Department of Materials, Oxford University, Begbroke Science Park, Oxford, UK
| | | | - Stephen Lofts
- UK Centre for Ecology and Hydrology, Lancaster Environment Centre, Lancaster, UK
| | - Iseult Lynch
- School of Geography, Earth and Environmental Sciences, University of Birmingham, Birmingham, UK
| | | | - Ralf Kaegi
- EAWAG, Swiss Federal Institute of Aquatic Science and Technology, Dübendorf, Switzerland
| | - Alexander Gogos
- EAWAG, Swiss Federal Institute of Aquatic Science and Technology, Dübendorf, Switzerland
- EMPA, Swiss Federal Laboratories for Materials Science and Technology, St. Gallen, Switzerland
| | - Christof Asbach
- Department of Air Quality and Filtration, Institut für Energie- und Umwelttechnik e. V. (IUTA), Duisburg, Germany
| | - Geert Cornelis
- Department of Soil and Environment, Swedish University of Agricultural Sciences, Uppsala, Sweden
| | | | - Nico W van den Brink
- Sub-department of Toxicology, Department of Agrotechnology and Food Sciences, Wageningen University, Wageningen, The Netherlands
| | | | - David J Spurgeon
- UK Centre for Ecology and Hydrology, Wallingford, Oxfordshire, UK.
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Schwirn K, Voelker D, Galert W, Quik J, Tietjen L. Environmental Risk Assessment of Nanomaterials in the Light of New Obligations Under the REACH Regulation: Which Challenges Remain and How to Approach Them? Integr Environ Assess Manag 2020; 16:706-717. [PMID: 32175661 PMCID: PMC7497025 DOI: 10.1002/ieam.4267] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/25/2019] [Revised: 01/10/2020] [Accepted: 03/09/2020] [Indexed: 05/16/2023]
Abstract
Within the European regulation on the Registration, Evaluation, Authorisation and Restriction of Chemicals (REACH, EC No 1907/2006) specific provisions for nanomaterials were included, which have become effective on 1 January 2020. Although knowledge on the peculiarities of testing and assessing fate and effects of nanomaterials in the environment strongly increased in the last years, uncertainties about how to perform a reliable and robust environmental risk assessment for nanomaterials still remain. These uncertainties are of special relevance in a regulatory context, challenging both industry and regulators. The present paper presents current challenges in regulatory hazard and exposure assessment under REACH, as well as classification of nanomaterials, and makes proposals to address them. Still, the nanospecific considerations made here are expected to also be valid for environmental risk assessment approaches in other regulations of chemical safety. Inter alia, these proposals include a way forward to account for exposure concentrations in aquatic toxicity test systems, a discussion of how to account for availability of dissolving nanomaterials in aquatic test systems, and a pragmatic proposal to deduce effect data for soil organisms. Furthermore, it specifies how to potentially deal with nanoforms under the European regulation on Classification, Labelling and Packaging of substances and mixtures (CLP) and outlines the needs for proper exposure assessments of nanomaterials from a regulatory perspective. Integr Environ Assess Manag 2020;16:706-717. © 2020 The Authors. Integrated Environmental Assessment and Management published by Wiley Periodicals LLC on behalf of Society of Environmental Toxicology & Chemistry (SETAC).
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Affiliation(s)
| | - Doris Voelker
- German Environment Agency (UBA), Dessau RoßlauGermany
| | - Wiebke Galert
- German Environment Agency (UBA), Dessau RoßlauGermany
| | - Joris Quik
- National Institute for Public Health and the Environment (RIVM), Bilthoventhe Netherlands
| | - Lars Tietjen
- German Environment Agency (UBA), Dessau RoßlauGermany
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20
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Klaper RD. The Known and Unknown about the Environmental Safety of Nanomaterials in Commerce. Small 2020; 16:e2000690. [PMID: 32407002 DOI: 10.1002/smll.202000690] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/04/2020] [Revised: 03/17/2020] [Accepted: 03/19/2020] [Indexed: 06/11/2023]
Abstract
The widespread nanomaterial use in commercial products has fed significant concern over environmental health and safety ramifications. Initially, little was known as to how these highly reactive particulates interacted with biological systems. Nanomaterials have introduced complexities not normally considered in traditional safety assessments of chemicals and therefore have generated uncertainty in the reliability of standard tests of safety. Advances in understanding the potential impacts of nanomaterials have occurred since their introduction, particularly for those used in the greatest quantities in commerce. The impact of characteristics such as charge, size, surface functionalization, chemical composition, and certain transformations on the potential effect of nanomaterials in the environment continue to move the field forward. However, generalizations of risk based on any one factor across nanomaterials is not possible. Estimating risk also remains difficult due to the introduction of materials that are new and more complex, minimal information on the specific molecular interactions of nanomaterials and organisms, and the need for more tools for measuring the dynamics of nanomaterial state and fate in complex matrices. Finally, exposure estimates are difficult due to difficulty of environmental monitoring which may be exacerbated by lack of information on nanomaterials in products and new uses in the marketplace.
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Affiliation(s)
- Rebecca D Klaper
- School of Freshwater Sciences, University of Wisconsin-Milwaukee, 600 East Greenfield Ave., Milwaukee, Wisconsin, 53204, USA
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21
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Spurgeon DJ, Lahive E, Schultz CL. Nanomaterial Transformations in the Environment: Effects of Changing Exposure Forms on Bioaccumulation and Toxicity. Small 2020; 16:e2000618. [PMID: 32402152 DOI: 10.1002/smll.202000618] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/31/2020] [Revised: 04/10/2020] [Accepted: 04/11/2020] [Indexed: 06/11/2023]
Abstract
In the environment, nanomaterials (NMs) are subject to chemical transformations, such as redox reactions, dissolution, coating degradation, and organic matter, protein, and macromolecule binding, and physical transformations including homo or heteroagglomeration. The combination of these reactions can result in NMs with differing characteristics progressing through a functional fate pathway that leads to the formation of transformed NM functional fate groups with shared properties. To establish the nature of such effects of transformation on NMs, four main types of studies are conducted: 1) chemical aging for transformation of pristine NMs; 2) manipulation of test media to change NM surface properties; 3) aging of pristine NMs water, sediment, or soil; 4) NM aging in waste streams and natural environments. From these studies a paradigm of aging effects on NM uptake and toxicity can be developed. Transformation, especially speciation changes, largely results in reduced potency. Further reactions at the surface resulting in processes, such as ecocorona formation and heteroagglomeration may additionally reduce NM potency. When NMs of differing potency transform and enter environments, common transformation reaction occurring in receiving system may act to reduce the variation in hazard between different initial NMs leading to similar actual hazard under realistic exposure conditions.
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Affiliation(s)
- David J Spurgeon
- UK Centre for Ecology and Hydrology, Maclean Building, Benson Lane, Crowmarsh Gifford, Wallingford, Oxfordshire, OX10 8BB, UK
| | - Elma Lahive
- UK Centre for Ecology and Hydrology, Maclean Building, Benson Lane, Crowmarsh Gifford, Wallingford, Oxfordshire, OX10 8BB, UK
| | - Carolin L Schultz
- UK Centre for Ecology and Hydrology, Maclean Building, Benson Lane, Crowmarsh Gifford, Wallingford, Oxfordshire, OX10 8BB, UK
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22
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Perrotta BG, Simonin M, Back JA, Anderson SM, Avellan A, Bergemann CM, Castellon BT, Colman BP, Lowry GV, Matson CW, Bernhardt ES, King RS. Copper and Gold Nanoparticles Increase Nutrient Excretion Rates of Primary Consumers. Environ Sci Technol 2020; 54:10170-10180. [PMID: 32672035 DOI: 10.1021/acs.est.0c02197] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Freshwater ecosystems are exposed to engineered nanoparticles through municipal and industrial wastewater-effluent discharges and agricultural nonpoint source runoff. Because previous work has shown that engineered nanoparticles from these sources can accumulate in freshwater algal assemblages, we hypothesized that nanoparticles may affect the biology of primary consumers by altering the processing of two critical nutrients associated with growth and survivorship, nitrogen and phosphorus. We tested this hypothesis by measuring the excretion rates of nitrogen and phosphorus of Physella acuta, a ubiquitous pulmonate snail that grazes heavily on periphyton, exposed to either copper or gold engineered nanoparticles for 6 months in an outdoor wetland mesocosm experiment. Chronic nanoparticle exposure doubled nutrient excretion when compared to the control. Gold nanoparticles increased nitrogen and phosphorus excretion rates more than copper nanoparticles, but overall, both nanoparticles led to higher consumer excretion, despite contrasting particle stability and physiochemical properties. Snails in mesocosms enriched with nitrogen and phosphorus had overall higher excretion rates than ones in ambient (no nutrients added) mesocosms. Stimulation patterns were different between nitrogen and phosphorus excretion, which could have implications for the resulting nutrient ratio in the water column. These results suggest that low concentrations of engineered nanoparticles could alter the metabolism of consumers and increase consumer-mediated nutrient recycling rates, potentially intensifying eutrophication in aquatic systems, for example, the increased persistence of algal blooms as observed in our mesocosm experiment.
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Affiliation(s)
- Brittany G Perrotta
- Center for the Environmental Implications of NanoTechnology, Duke University, Durham, North Carolina 27708, United States
- Center for Reservoir and Aquatic Systems Research (CRASR), Baylor University, Waco, Texas 76798, United States
- Department of Biology, Baylor University, Waco, Texas 76798, United States
| | - Marie Simonin
- Center for the Environmental Implications of NanoTechnology, Duke University, Durham, North Carolina 27708, United States
- Biology Department, Duke University, Durham, North Carolina 27708, United States
| | - Jeffrey A Back
- Center for Reservoir and Aquatic Systems Research (CRASR), Baylor University, Waco, Texas 76798, United States
| | - Steven M Anderson
- Center for the Environmental Implications of NanoTechnology, Duke University, Durham, North Carolina 27708, United States
- Biology Department, Duke University, Durham, North Carolina 27708, United States
- Department of Forestry & Environmental Resources, North Carolina State University, Raleigh, North Carolina 27695, United States
| | - Astrid Avellan
- Center for the Environmental Implications of NanoTechnology, Duke University, Durham, North Carolina 27708, United States
- Civil & Environmental Engineering, Carnegie Mellon University, Pittsburgh, Pennsylvania 15213, United States
| | - Christina M Bergemann
- Center for the Environmental Implications of NanoTechnology, Duke University, Durham, North Carolina 27708, United States
- Biology Department, Duke University, Durham, North Carolina 27708, United States
| | - Benjamin T Castellon
- Center for the Environmental Implications of NanoTechnology, Duke University, Durham, North Carolina 27708, United States
- Center for Reservoir and Aquatic Systems Research (CRASR), Baylor University, Waco, Texas 76798, United States
- Department of Environmental Science, Baylor University, Waco, Texas 76798, United States
| | - Benjamin P Colman
- Center for the Environmental Implications of NanoTechnology, Duke University, Durham, North Carolina 27708, United States
- Department of Ecosystem and Conservation Sciences, University of Montana, Missoula, Montana 59812, United States
| | - Gregory V Lowry
- Center for the Environmental Implications of NanoTechnology, Duke University, Durham, North Carolina 27708, United States
- Civil & Environmental Engineering, Carnegie Mellon University, Pittsburgh, Pennsylvania 15213, United States
| | - Cole W Matson
- Center for the Environmental Implications of NanoTechnology, Duke University, Durham, North Carolina 27708, United States
- Center for Reservoir and Aquatic Systems Research (CRASR), Baylor University, Waco, Texas 76798, United States
- Department of Environmental Science, Baylor University, Waco, Texas 76798, United States
| | - Emily S Bernhardt
- Center for the Environmental Implications of NanoTechnology, Duke University, Durham, North Carolina 27708, United States
- Biology Department, Duke University, Durham, North Carolina 27708, United States
| | - Ryan S King
- Center for the Environmental Implications of NanoTechnology, Duke University, Durham, North Carolina 27708, United States
- Center for Reservoir and Aquatic Systems Research (CRASR), Baylor University, Waco, Texas 76798, United States
- Department of Biology, Baylor University, Waco, Texas 76798, United States
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23
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Belhaj Abdallah B, Andreu I, Chatti A, Landoulsi A, Gates BD. Size Fractionation of Titania Nanoparticles in Wild Dittrichia viscosa Grown in a Native Environment. Environ Sci Technol 2020; 54:8649-8657. [PMID: 32539367 DOI: 10.1021/acs.est.9b07267] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
We report a size fractionation of titania (TiO2) nanoparticles absorbed from the environment and found within wild Dittrichia viscosa plants. The nanoparticles were isolated by extraction and isolation from distinct plant organs, as well as from the corresponding rhizosphere of wild, adult plants. The collected nanoparticles were characterized by scanning transmission electron microscopy coupled with energy dispersive X-ray spectroscopy (STEM-EDS). More than 1200 TiO2 nanoparticles were analyzed by these techniques. The results indicated the presence of TiO2 nanoparticles with a wide range of sizes within the inspected plant organs and rhizospheres. Interestingly, a size selective process occurs during the internalization and translocation of these nanoparticles (e.g., foliar and root uptake), which favors the accumulation of mainly TiO2 nanoparticles with diameters <50 nm in the leaves, stems, and roots. In fact, our findings indicate that among the total number of TiO2 nanoparticles analyzed, the fraction of the particles with dimensions <50 nm were 52% of those within the rhizospheres, 88.5% of those within the roots, 90% of those within the stems, and 53% of those within the leaves. This significant difference observed in the size distribution of the TiO2 nanoparticles among the rhizosphere and the plant organs could have impacts on the food chain and further biologicals effects that are dependent on the size of the TiO2.
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Affiliation(s)
- Bouchra Belhaj Abdallah
- Biochemistry and Molecular Biology Unit, Faculty of Science of Bizerte, Carthage University, Jarzouna 7021, Tunisia
- Department of Chemistry and 4D LABS, Simon Fraser University, 8888 University Drive, Burnaby, British Columbia V5A 1S6, Canada
| | - Irene Andreu
- Department of Chemistry and 4D LABS, Simon Fraser University, 8888 University Drive, Burnaby, British Columbia V5A 1S6, Canada
| | - Abdelwaheb Chatti
- Biochemistry and Molecular Biology Unit, Faculty of Science of Bizerte, Carthage University, Jarzouna 7021, Tunisia
| | - Ahmed Landoulsi
- Biochemistry and Molecular Biology Unit, Faculty of Science of Bizerte, Carthage University, Jarzouna 7021, Tunisia
| | - Byron D Gates
- Department of Chemistry and 4D LABS, Simon Fraser University, 8888 University Drive, Burnaby, British Columbia V5A 1S6, Canada
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24
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Avellan A, Simonin M, Anderson SM, Geitner NK, Bossa N, Spielman-Sun E, Bernhardt ES, Castellon BT, Colman BP, Cooper JL, Ho M, Hochella MF, Hsu-Kim H, Inoue S, King RS, Laughton S, Matson CW, Perrotta BG, Richardson CJ, Unrine JM, Wiesner MR, Lowry GV. Differential Reactivity of Copper- and Gold-Based Nanomaterials Controls Their Seasonal Biogeochemical Cycling and Fate in a Freshwater Wetland Mesocosm. Environ Sci Technol 2020; 54:1533-1544. [PMID: 31951397 DOI: 10.1021/acs.est.9b05097] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Reliable predictions of the environmental fate and risk of engineered nanomaterials (ENMs) require a better understanding of ENM reactivity in complex, biologically active systems for chronic low-concentration exposure scenarios. Here, simulated freshwater wetland mesocosms were dosed with ENMs to assess how their reactivity and seasonal changes in environmental parameters influence ENM fate in aquatic systems. Copper-based ENMs (Kocide), known to dissolve in water, and gold nanoparticles (AuNPs), stable against dissolution in the absence of specific ligands, were added weekly to mesocosm waters for 9 months. Metal accumulation and speciation changes in the different environmental compartments were assessed over time. Copper from Kocide rapidly dissolved likely associating with organic matter in the water column, transported to terrestrial soils and deeper sediment where it became associated with organic or sulfide phases. In contrast, Au accumulated on/in the macrophytes where it oxidized and transferred over time to surficial sediment. A dynamic seasonal accumulation and metal redox cycling were found between the macrophyte and the surficial sediment for AuNPs. These results demonstrate the need for experimental quantification of how the biological and chemical complexity of the environment, combined with their seasonal variations, drive the fate of metastable ENMs.
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Affiliation(s)
- Astrid Avellan
- Center for the Environmental Implications of Nanotechnology , Duke University, Durham , North Carolina 27708 , United States
- Civil & Environmental Engineering , Carnegie Mellon University , Pittsburgh , Pennsylvania 15213 , United States
| | - Marie Simonin
- Center for the Environmental Implications of Nanotechnology , Duke University, Durham , North Carolina 27708 , United States
- Department of Biology , Duke University , Durham , North Carolina 27708 , United States
| | - Steven M Anderson
- Center for the Environmental Implications of Nanotechnology , Duke University, Durham , North Carolina 27708 , United States
- Department of Biology , Duke University , Durham , North Carolina 27708 , United States
- Forestry & Environmental Resources , North Carolina State University , Raleigh , North Carolina 27695 , United States
| | - Nicholas K Geitner
- Center for the Environmental Implications of Nanotechnology , Duke University, Durham , North Carolina 27708 , United States
- Department of Civil and Environmental Engineering , Duke University , Durham , North Carolina 27708 , United States
| | - Nathan Bossa
- Center for the Environmental Implications of Nanotechnology , Duke University, Durham , North Carolina 27708 , United States
- Department of Civil and Environmental Engineering , Duke University , Durham , North Carolina 27708 , United States
- LEITAT Technological Center , C/de la Innovació 2 , 08225 Terrassa , Barcelona , Spain
| | - Eleanor Spielman-Sun
- Center for the Environmental Implications of Nanotechnology , Duke University, Durham , North Carolina 27708 , United States
- Civil & Environmental Engineering , Carnegie Mellon University , Pittsburgh , Pennsylvania 15213 , United States
| | - Emily S Bernhardt
- Center for the Environmental Implications of Nanotechnology , Duke University, Durham , North Carolina 27708 , United States
- Department of Biology , Duke University , Durham , North Carolina 27708 , United States
| | - Benjamin T Castellon
- Center for the Environmental Implications of Nanotechnology , Duke University, Durham , North Carolina 27708 , United States
- Department of Environmental Science , Baylor University , Waco , Texas 76706 , United States
| | - Benjamin P Colman
- Center for the Environmental Implications of Nanotechnology , Duke University, Durham , North Carolina 27708 , United States
- Department of Ecosystem and Conservation Sciences , University of Montana , Missoula , Montana 59812 , United States
| | - Jane L Cooper
- Center for the Environmental Implications of Nanotechnology , Duke University, Durham , North Carolina 27708 , United States
- Department of Civil and Environmental Engineering , Duke University , Durham , North Carolina 27708 , United States
| | - Mengchi Ho
- Center for the Environmental Implications of Nanotechnology , Duke University, Durham , North Carolina 27708 , United States
- Duke University Wetland Center , Nicholas School of the Environment , Durham , North Carolina 27708 , United States
| | - Michael F Hochella
- Center for the Environmental Implications of Nanotechnology , Duke University, Durham , North Carolina 27708 , United States
- Department of Geosciences , Virginia Polytechnic Institute and State University , Blacksburg , Virginia 24061 , United States
- Pacific Northwest National Laboratory , Richland , Washington 99354 , United States
| | - Heileen Hsu-Kim
- Center for the Environmental Implications of Nanotechnology , Duke University, Durham , North Carolina 27708 , United States
- Department of Civil and Environmental Engineering , Duke University , Durham , North Carolina 27708 , United States
| | - Sayako Inoue
- Center for the Environmental Implications of Nanotechnology , Duke University, Durham , North Carolina 27708 , United States
- Department of Geosciences , Virginia Polytechnic Institute and State University , Blacksburg , Virginia 24061 , United States
| | - Ryan S King
- Center for the Environmental Implications of Nanotechnology , Duke University, Durham , North Carolina 27708 , United States
- Department of Biology , Baylor University , Waco , Texas 76706 , United States
| | - Stephanie Laughton
- Center for the Environmental Implications of Nanotechnology , Duke University, Durham , North Carolina 27708 , United States
- Civil & Environmental Engineering , Carnegie Mellon University , Pittsburgh , Pennsylvania 15213 , United States
| | - Cole W Matson
- Center for the Environmental Implications of Nanotechnology , Duke University, Durham , North Carolina 27708 , United States
- Department of Environmental Science , Baylor University , Waco , Texas 76706 , United States
| | - Brittany G Perrotta
- Center for the Environmental Implications of Nanotechnology , Duke University, Durham , North Carolina 27708 , United States
- Department of Biology , Baylor University , Waco , Texas 76706 , United States
| | - Curtis J Richardson
- Center for the Environmental Implications of Nanotechnology , Duke University, Durham , North Carolina 27708 , United States
- Duke University Wetland Center , Nicholas School of the Environment , Durham , North Carolina 27708 , United States
| | - Jason M Unrine
- Center for the Environmental Implications of Nanotechnology , Duke University, Durham , North Carolina 27708 , United States
- Department of Plant and Soil Sciences , University of Kentucky , Lexington , Kentucky 40506 , United States
| | - Mark R Wiesner
- Center for the Environmental Implications of Nanotechnology , Duke University, Durham , North Carolina 27708 , United States
- Department of Civil and Environmental Engineering , Duke University , Durham , North Carolina 27708 , United States
| | - Gregory V Lowry
- Center for the Environmental Implications of Nanotechnology , Duke University, Durham , North Carolina 27708 , United States
- Civil & Environmental Engineering , Carnegie Mellon University , Pittsburgh , Pennsylvania 15213 , United States
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25
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Bao Y, Ma J, Pan C, Guo A, Li Y, Xing B. Citric acid enhances Ce uptake and accumulation in rice seedlings exposed to CeO 2 nanoparticles and iron plaque attenuates the enhancement. Chemosphere 2020; 240:124897. [PMID: 31726612 DOI: 10.1016/j.chemosphere.2019.124897] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/13/2019] [Revised: 08/22/2019] [Accepted: 09/16/2019] [Indexed: 05/28/2023]
Abstract
To assess the role of citric acid, as a typical low-molecular-weight organic acid from root exudates, on cerium (Ce) uptake, accumulation and translocation in rice seedlings (Oryza sativa L.) exposed to two CeO2 nanoparticles (NPs) (14 nm and 25 nm). A hydroponic experiment was performed under two citric acid levels (0.01 and 0.04 mmol L-1) combined with iron plaque presence. Citric acid significantly enhanced surface-Ce, root-Ce and shoot-Ce accumulation, irrespective of NPs size and iron plaque presence. The increased surface-Ce was associated with the promoted interactive attraction between NPs and root surface, and the enhanced NPs dissolution. Surface-Ce (containing crystalline and amorphous fractions of iron plaque) accumulation increased with the increase of citric acid concentrations. However, the enhancement influence of 0.01 mmol L-1 citric acid on root-Ce, shoot-Ce accumulations, rice-Ce distribution and TFroot-shoot was more remarkable than citric acid (0.04 mmol L-1), which suggested higher food security risk for human health with environment-level citric acid. Iron plaque presence attenuated the enhancement effect of citric acid on rice-Ce accumulation and distribution (containing surface-Ce, root-Ce and shoot-Ce) due to the reduced attractive interaction between NPs and root surface from the effect of Fe2+ being dissolved by iron plaque. Above effect of citric acid and iron plaque was more remarkable in 25 nm NP than 14 nm NP.
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Affiliation(s)
- Yanyu Bao
- Key Laboratory of Pollution Processes and Environmental Criteria (Ministry of Education), Tianjin Key Laboratory of Environmental Remediation and Pollution Control, College of Environmental Science and Engineering, Nankai University, Tianjin, 300350, PR China.
| | - Jinyu Ma
- Key Laboratory of Pollution Processes and Environmental Criteria (Ministry of Education), Tianjin Key Laboratory of Environmental Remediation and Pollution Control, College of Environmental Science and Engineering, Nankai University, Tianjin, 300350, PR China
| | - Chengrong Pan
- Key Laboratory of Pollution Processes and Environmental Criteria (Ministry of Education), Tianjin Key Laboratory of Environmental Remediation and Pollution Control, College of Environmental Science and Engineering, Nankai University, Tianjin, 300350, PR China
| | - Aiyun Guo
- Key Laboratory of Pollution Processes and Environmental Criteria (Ministry of Education), Tianjin Key Laboratory of Environmental Remediation and Pollution Control, College of Environmental Science and Engineering, Nankai University, Tianjin, 300350, PR China
| | - Yunxia Li
- Key Laboratory of Pollution Processes and Environmental Criteria (Ministry of Education), Tianjin Key Laboratory of Environmental Remediation and Pollution Control, College of Environmental Science and Engineering, Nankai University, Tianjin, 300350, PR China
| | - Baoshan Xing
- Stockbridge School of Agriculture, University of Massachusetts, Amherst, MA, 01003, USA
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26
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Degenkolb L, Leuther F, Lüderwald S, Philippe A, Metreveli G, Amininejad S, Vogel HJ, Kaupenjohann M, Klitzke S. The fate of silver nanoparticles in riverbank filtration systems - The role of biological components and flow velocity. Sci Total Environ 2020; 699:134387. [PMID: 31670213 DOI: 10.1016/j.scitotenv.2019.134387] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/02/2019] [Revised: 09/08/2019] [Accepted: 09/08/2019] [Indexed: 06/10/2023]
Abstract
Riverbank filtration is a natural process that may ensure the cleaning of surface water for producing drinking water. For silver nanoparticles (AgNP), physico-chemical interaction with sediment surfaces is one major retention mechanism. However, the effect of flow velocity and the importance of biological retention, such as AgNP attachment to biomass, are not well understood, yet. We investigated AgNP (c = 0.6 mg L-1) transport at different spatial and temporal scales in pristine and previously pond water-aged sediment columns. Transport of AgNP under near-natural conditions was studied in a long-term riverbank filtration experiment over the course of one month with changing flow scenarios (i.e. transport at 0.7 m d-1, stagnation, and remobilization at 1.7 m d-1). To elucidate retention processes, we conducted small-scale lab column experiments at low (0.2 m d-1) and high (0.7 m d-1) flow rate using pristine and aged sediments. Overall, AgNP accumulated in the upper centimeters of the sediment both in lab and outdoor experiments. In the lab study, retention of AgNP by attachment to biological components was very effective under high and low flow rate with nearly complete NP accumulation in the upper 2 mm. When organic material was absent, abiotic filtration mechanisms led to NP retention in the upper 5 to 7 cm of the column. In the long-term study, AgNP were transported up to a depth of 25 cm. For the pristine sediment in the lab study and the outdoor experiments only erratic particle breakthrough was detected in a depth of 15 cm. We conclude that physico-chemical interactions of AgNP with sediment surfaces are efficient in retaining AgNP. The presence of organic material provides additional retention sites which increase the filtration capacity of the system. Nevertheless, erratic breakthrough events might transport NP into deeper sediment layers.
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Affiliation(s)
- Laura Degenkolb
- Berlin University of Technology, Institute of Ecology, Department of Soil Science, Ernst-Reuter Platz 1, 10587 Berlin, Germany; German Environment Agency, Section Drinking Water Treatment and Resource Protection, Schichauweg 58, 12307 Berlin, Germany.
| | - Frederic Leuther
- Helmholtz Centre for Environmental Research Leipzig-Halle, Department of Soil System Science, Theodor-Lieser-Straße 4, 06120 Halle, Germany.
| | - Simon Lüderwald
- University of Koblenz-Landau, Institute for Environmental Sciences, Group of Ecotoxicology and Environment, Fortstraße 7, 76829 Landau, Germany.
| | - Allan Philippe
- University of Koblenz-Landau, Institute for Environmental Sciences, Group of Environmental and Soil Chemistry, Fortstraße 7, 76829 Landau, Germany.
| | - George Metreveli
- University of Koblenz-Landau, Institute for Environmental Sciences, Group of Environmental and Soil Chemistry, Fortstraße 7, 76829 Landau, Germany.
| | - Sayed Amininejad
- Technical University of Munich, Institute of Hydrochemistry, Marchioninistr. 17, 81377 München, Germany.
| | - Hans-Jörg Vogel
- Helmholtz Centre for Environmental Research Leipzig-Halle, Department of Soil System Science, Theodor-Lieser-Straße 4, 06120 Halle, Germany.
| | - Martin Kaupenjohann
- Berlin University of Technology, Institute of Ecology, Department of Soil Science, Ernst-Reuter Platz 1, 10587 Berlin, Germany.
| | - Sondra Klitzke
- German Environment Agency, Section Drinking Water Treatment and Resource Protection, Schichauweg 58, 12307 Berlin, Germany.
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27
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Zhang W, Huang Y, Gong H, Dang F, Zhou D. Different Uptake of Metal Dioxide Nanoparticles (Ceria Nanoparticles, Zirconia Nanoparticles and Silica Nanoparticles) by Wheat. Bull Environ Contam Toxicol 2019; 103:199-205. [PMID: 31147729 DOI: 10.1007/s00128-019-02638-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/16/2019] [Accepted: 05/16/2019] [Indexed: 06/09/2023]
Abstract
Metal dioxide nanoparticles (NPs) are produced in ever-increasing amounts and widely used in industrial, medical and consumer products. They may pose potential risks to the environment. In this study we quantitatively evaluated the phytoavailability of CeO2NPs, ZrO2NPs and SiO2NPs to wheat (Triticum aestivum L.). Metal dioxide NPs showed distinct differences in uptake, with uptake rate constants of 90.2 ± 9.9, 12.2 ± 2.5, 0.4 ± 0.02 and 0.9 ± 0.1 L kg-1 h-1 for ZrO2NPs, CeO2NPs, SiO2NPs (13 nm) and SiO2NPs (25 nm), respectively. However, such difference cannot be generalized by single factor of NP characteristics and/or root damage. This study provides fundamental information for NP uptake by crop plants.
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Affiliation(s)
- Wanying Zhang
- Institute of Soil Science, Chinese Academy of Sciences, Nanjing, 210008, People's Republic of China
- University of Chinese Academy of Sciences, Beijing, 100049, People's Republic of China
| | - Yingnan Huang
- Institute of Soil Science, Chinese Academy of Sciences, Nanjing, 210008, People's Republic of China
- University of Chinese Academy of Sciences, Beijing, 100049, People's Republic of China
| | - Hua Gong
- Institute of Soil Science, Chinese Academy of Sciences, Nanjing, 210008, People's Republic of China
| | - Fei Dang
- Institute of Soil Science, Chinese Academy of Sciences, Nanjing, 210008, People's Republic of China.
| | - Dongmei Zhou
- Institute of Soil Science, Chinese Academy of Sciences, Nanjing, 210008, People's Republic of China
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28
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Hochella MF, Mogk DW, Ranville J, Allen IC, Luther GW, Marr LC, McGrail BP, Murayama M, Qafoku NP, Rosso KM, Sahai N, Schroeder PA, Vikesland P, Westerhoff P, Yang Y. Natural, incidental, and engineered nanomaterials and their impacts on the Earth system. Science 2019; 363:363/6434/eaau8299. [DOI: 10.1126/science.aau8299] [Citation(s) in RCA: 293] [Impact Index Per Article: 58.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Nanomaterials are critical components in the Earth system’s past, present, and future characteristics and behavior. They have been present since Earth’s origin in great abundance. Life, from the earliest cells to modern humans, has evolved in intimate association with naturally occurring nanomaterials. This synergy began to shift considerably with human industrialization. Particularly since the Industrial Revolution some two-and-a-half centuries ago, incidental nanomaterials (produced unintentionally by human activity) have been continuously produced and distributed worldwide. In some areas, they now rival the amount of naturally occurring nanomaterials. In the past half-century, engineered nanomaterials have been produced in very small amounts relative to the other two types of nanomaterials, but still in large enough quantities to make them a consequential component of the planet. All nanomaterials, regardless of their origin, have distinct chemical and physical properties throughout their size range, clearly setting them apart from their macroscopic equivalents and necessitating careful study. Following major advances in experimental, computational, analytical, and field approaches, it is becoming possible to better assess and understand all types and origins of nanomaterials in the Earth system. It is also now possible to frame their immediate and long-term impact on environmental and human health at local, regional, and global scales.
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Affiliation(s)
- Michael F. Hochella
- Department of Geosciences, Virginia Tech, Blacksburg, VA 24061, USA
- Subsurface Science and Technology Group, Energy and Environment Directorate, Pacific Northwest National Laboratory, Richland, WA 99352, USA
| | - David W. Mogk
- Department of Earth Sciences, Montana State University, Bozeman, MT 59717-3480, USA
| | - James Ranville
- Department of Chemistry, Colorado School of Mines, Golden, CO 80401, USA
| | - Irving C. Allen
- Department of Biomedical Sciences and Pathobiology, Virginia-Maryland College of Veterinary Medicine, Blacksburg, VA 24061, USA
| | - George W. Luther
- School of Marine Science and Policy, University of Delaware, Lewes, DE 19958, USA
| | - Linsey C. Marr
- Department of Civil and Environmental Engineering, Virginia Tech, Blacksburg, VA 24061, USA
| | - B. Peter McGrail
- Applied Functional Materials Group, Energy and Environment Directorate, Pacific Northwest National Laboratory, Richland, WA 99352, USA
| | - Mitsu Murayama
- Department of Materials Science and Engineering, Virginia Tech, Blacksburg, VA 24061, USA
- Reactor Materials and Mechanical Design Group, Energy and Environment Directorate, Pacific Northwest National Laboratory, Richland, WA 99352, USA
- Institute for Materials Chemistry and Engineering, Kyushu University, Kasuga, Fukuoka 8168580, Japan
| | - Nikolla P. Qafoku
- Subsurface Science and Technology Group, Energy and Environment Directorate, Pacific Northwest National Laboratory, Richland, WA 99352, USA
| | - Kevin M. Rosso
- Geochemistry Group, Physical and Computational Sciences Directorate, Pacific Northwest National Laboratory, Richland, WA 99352, USA
| | - Nita Sahai
- Department of Polymer Science, University of Akron, Akron, OH 44325-3909, USA
| | | | - Peter Vikesland
- Department of Civil and Environmental Engineering, Virginia Tech, Blacksburg, VA 24061, USA
| | - Paul Westerhoff
- School of Sustainable Engineering and Built Environment, Arizona State University, Tempe, AZ 85287, USA
| | - Yi Yang
- Key Laboratory of Geographic Information Science of the Ministry of Education, School of Geographic Sciences, East China Normal University, Shanghai 200241, China
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29
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Geitner NK, Bossa N, Wiesner MR. Formulation and Validation of a Functional Assay-Driven Model of Nanoparticle Aquatic Transport. Environ Sci Technol 2019; 53:3104-3109. [PMID: 30816037 DOI: 10.1021/acs.est.8b06283] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Here, we present a model for the prediction of nanoparticle fate in aquatic environments, parametrized using functional assays that take into account conditions of the environmental media and nanoparticle properties. The model was used to explore scenarios for five nanomaterials in a freshwater wetland setting and compared with experimental results obtained in mesocosm studies. Material characteristics used in the model were size, density, dissolution rate constants, and surface attachment efficiencies. Model predictions and experimentally measured removal rate constants from the water column were strongly correlated, with Pearson correlation coefficient 0.993. Further, the model predicted removal rate constants quantitively very close to measured rates. Of particular importance for accurate predictions were two key processes beyond the usual heteroaggregation with suspended solids. These were homoaggregation of nanomaterials and nanomaterial attachment to aquatic plant surfaces. These results highlight the importance of including all relevant aggregation and deposition processes over short time scales for nanoparticle transport, while demonstrating the utility of functional assays for surface attachment as model inputs.
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