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Zhao Y, Luo F, Jiao F, Tang T, Wu S, Wang F, Zhao X. Combined toxic effects of fluxapyroxad and multi-walled carbon nanotubes in Xenopus laevis larvae. CHEMOSPHERE 2024:142685. [PMID: 38909862 DOI: 10.1016/j.chemosphere.2024.142685] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/04/2024] [Revised: 06/17/2024] [Accepted: 06/20/2024] [Indexed: 06/25/2024]
Abstract
Carbon nanomaterials rarely exist in isolation in the natural environment, and their combined effects cannot be ignored. Multi-walled carbon nanotubes (MWCNTs) have shown tremendous potential applications in diverse fields, including pollution remediation, biomedicine, energy, and smart agriculture. However, the combined toxicities of MWCNTs and pesticides on non-target organisms, particularly amphibians, are often overlooked. Fluxapyroxad (FLX), a significant succinate dehydrogenase inhibitor fungicide, has been extensively utilized for the protection of food and cash crops and control of fungi. This raises the possibility of coexistence of MWCNTs and FLX. The objective of this study was to explore the individual and combined toxic effects of FLX and MWCNTs on the early life stages of Xenopus laevis. Embryos were exposed to varying concentrations of FLX (0, 5, and 50 μg/L) either alone or in combination with MWCNTs (100 μg/L) for a duration of 17 days. The findings indicated that co-exposure to FLX and MWCNTs worsened the inhibition of growth, liver damage, and dysregulation of enzymatic activity in tadpoles. Liver transcriptomic analysis further revealed that the presence of MWCNTs exacerbated the disturbances in glucose and lipid metabolism caused by FLX. Additionally, the combined exposure groups exhibited amplified alterations in the composition and function of the gut microflora. Our study suggests that it is imperative to pay greater attention to the agricultural applications, management and ecological risks of MWCNTs in the future, considering MWCNTs may significantly enhance the toxicity of FLX.
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Affiliation(s)
- Yang Zhao
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-Products, Key Laboratory for Pesticide Residue Detection of Ministry of Agriculture and Rural Affairs, Institute of Agro-Product Safety and Nutrition, Zhejiang Academy of Agricultural Sciences, Hangzhou 310021, China
| | - Fang Luo
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-Products, Key Laboratory for Pesticide Residue Detection of Ministry of Agriculture and Rural Affairs, Institute of Agro-Product Safety and Nutrition, Zhejiang Academy of Agricultural Sciences, Hangzhou 310021, China
| | - Fang Jiao
- College of Marine Sciences, South China Agricultural University, Guangzhou 510640, China
| | - Tao Tang
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-Products, Key Laboratory for Pesticide Residue Detection of Ministry of Agriculture and Rural Affairs, Institute of Agro-Product Safety and Nutrition, Zhejiang Academy of Agricultural Sciences, Hangzhou 310021, China
| | - Shenggan Wu
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-Products, Key Laboratory for Pesticide Residue Detection of Ministry of Agriculture and Rural Affairs, Institute of Agro-Product Safety and Nutrition, Zhejiang Academy of Agricultural Sciences, Hangzhou 310021, China
| | - Feidi Wang
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-Products, Key Laboratory for Pesticide Residue Detection of Ministry of Agriculture and Rural Affairs, Institute of Agro-Product Safety and Nutrition, Zhejiang Academy of Agricultural Sciences, Hangzhou 310021, China
| | - Xueping Zhao
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-Products, Key Laboratory for Pesticide Residue Detection of Ministry of Agriculture and Rural Affairs, Institute of Agro-Product Safety and Nutrition, Zhejiang Academy of Agricultural Sciences, Hangzhou 310021, China.
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2
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Krasley A, Li E, Galeana JM, Bulumulla C, Beyene AG, Demirer GS. Carbon Nanomaterial Fluorescent Probes and Their Biological Applications. Chem Rev 2024; 124:3085-3185. [PMID: 38478064 PMCID: PMC10979413 DOI: 10.1021/acs.chemrev.3c00581] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2023] [Revised: 02/01/2024] [Accepted: 02/09/2024] [Indexed: 03/28/2024]
Abstract
Fluorescent carbon nanomaterials have broadly useful chemical and photophysical attributes that are conducive to applications in biology. In this review, we focus on materials whose photophysics allow for the use of these materials in biomedical and environmental applications, with emphasis on imaging, biosensing, and cargo delivery. The review focuses primarily on graphitic carbon nanomaterials including graphene and its derivatives, carbon nanotubes, as well as carbon dots and carbon nanohoops. Recent advances in and future prospects of these fields are discussed at depth, and where appropriate, references to reviews pertaining to older literature are provided.
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Affiliation(s)
- Andrew
T. Krasley
- Janelia
Research Campus, Howard Hughes Medical Institute, 19700 Helix Drive, Ashburn, Virginia 20147, United States
| | - Eugene Li
- Division
of Chemistry and Chemical Engineering, California
Institute of Technology, 1200 E. California Boulevard, Pasadena, California 91125, United States
| | - Jesus M. Galeana
- Division
of Chemistry and Chemical Engineering, California
Institute of Technology, 1200 E. California Boulevard, Pasadena, California 91125, United States
| | - Chandima Bulumulla
- Janelia
Research Campus, Howard Hughes Medical Institute, 19700 Helix Drive, Ashburn, Virginia 20147, United States
| | - Abraham G. Beyene
- Janelia
Research Campus, Howard Hughes Medical Institute, 19700 Helix Drive, Ashburn, Virginia 20147, United States
| | - Gozde S. Demirer
- Division
of Chemistry and Chemical Engineering, California
Institute of Technology, 1200 E. California Boulevard, Pasadena, California 91125, United States
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3
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Keller AA, Zheng Y, Praetorius A, Quik JTK, Nowack B. Predicting environmental concentrations of nanomaterials for exposure assessment - a review. NANOIMPACT 2024; 33:100496. [PMID: 38266914 DOI: 10.1016/j.impact.2024.100496] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/29/2023] [Revised: 12/11/2023] [Accepted: 01/19/2024] [Indexed: 01/26/2024]
Abstract
There have been major advances in the science to predict the likely environmental concentrations of nanomaterials, which is a key component of exposure and subsequent risk assessment. Considerable progress has been since the first Material Flow Analyses (MFAs) in 2008, which were based on very limited information, to more refined current tools that take into account engineered nanoparticle (ENP) size distribution, form, dynamic release, and better-informed release factors. These MFAs provide input for all environmental fate models (EFMs), that generate estimates of particle flows and concentrations in various environmental compartments. While MFA models provide valuable information on the magnitude of ENP release, they do not account for fate processes, such as homo- and heteroaggregation, transformations, dissolution, or corona formation. EFMs account for these processes in differing degrees. EFMs can be divided into multimedia compartment models (e.g., atmosphere, waterbodies and their sediments, soils in various landuses), of which there are currently a handful with varying degrees of complexity and process representation, and spatially-resolved watershed models which focus on the water and sediment compartments. Multimedia models have particular applications for considering predicted environmental concentrations (PECs) in particular regions, or for developing generic "fate factors" (i.e., overall persistence in a given compartment) for life-cycle assessment. Watershed models can track transport and eventual fate of emissions into a flowing river, from multiple sources along the waterway course, providing spatially and temporally resolved PECs. Both types of EFMs can be run with either continuous sources of emissions and environmental conditions, or with dynamic emissions (e.g., temporally varying for example as a new nanomaterial is introduced to the market, or with seasonal applications), to better understand the situations that may lead to peak PECs that are more likely to result in exceedance of a toxicological threshold. In addition, bioaccumulation models have been developed to predict the internal concentrations that may accumulate in exposed organisms, based on the PECs from EFMs. The main challenge for MFA and EFMs is a full validation against observed data. To date there have been no field studies that can provide the kind of dataset(s) needed for a true validation of the PECs. While EFMs have been evaluated against a few observations in a small number of locations, with results that indicate they are in the right order of magnitude, there is a great need for field data. Another major challenge is the input data for the MFAs, which depend on market data to estimate the production of ENPs. The current information has major gaps and large uncertainties. There is also a lack of robust analytical techniques for quantifying ENP properties in complex matrices; machine learning may be able to fill this gap. Nevertheless, there has been major progress in the tools for generating PECs. With the emergence of nano- and microplastics as a leading environmental concern, some EFMs have been adapted to these materials. However, caution is needed, since most nano- and microplastics are not engineered, therefore their characteristics are difficult to generalize, and there are new fate and transport processes to consider.
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Affiliation(s)
- Arturo A Keller
- Bren School of Environmental Science and Management, University of California Santa Barbara, United States of America.
| | - Yuanfang Zheng
- Empa-Swiss Federal Laboratories for Materials Science and Technology, St. Gallen, Switzerland
| | - Antonia Praetorius
- Institute for Biodiversity and Ecosystem Dynamics, University of Amsterdam, Amsterdam, the Netherlands
| | - Joris T K Quik
- National Institute for Public Health and the Environment, Centre for Sustainability Health and Environment, Bilthoven, the Netherlands
| | - Bernd Nowack
- Empa-Swiss Federal Laboratories for Materials Science and Technology, St. Gallen, Switzerland
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Chen H, Zhao Y, Zhao T, Li Y, Ren B, Liang H, Liang H. Multi-walled carbon nanotubes enhance the toxicity effects of dibutyl phthalate on early life stages of zebrafish (Danio rerio): Research in physiological, biochemical and molecular aspects. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 899:165684. [PMID: 37482360 DOI: 10.1016/j.scitotenv.2023.165684] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/17/2023] [Revised: 07/18/2023] [Accepted: 07/18/2023] [Indexed: 07/25/2023]
Abstract
Phthalate esters (PAEs) are widely used as plasticizers. PAEs are ubiquitous in natural water bodies, with dibutyl phthalate (DBP) being one of the most common PAEs. DBP is prone to leaching or migration into the environment, posing serious health and environmental risks. Carbon nanotubes (CNTs) have been widely used in various fields with the rapid development of nanotechnology. CNTs could alter the environmental behavior and toxicity of co-existing pollutants. CNTs have been shown to rapidly adsorb PEAs. However, current knowledge about the effects of CNTs on DBP toxicity is limited. Here we show that the toxic effects of single and combined exposure to DBP (0.1, 0.5, 1.0 mg/L) and different CNTs (MWCNTs/MWCNTs-COOH, 0.5 mg/L) on the early growth stage of zebrafish. The results suggested that a significant increase in heart rate and heart malformation rate was observed after co-exposure of DBP and MWCNTs/MWCNTs-COOH (p < 0.05). Furthermore, combined exposure increased antioxidant enzyme activity during early developmental stages in zebrafish (p < 0.05). The qRT-PCR results revealed that DBP and MWCNTs/MWCNTs-COOH co-exposure significantly interfered with the expression of genes related to oxidative stress, energy metabolism, development of cardiac function, and apoptosis (p < 0.05). In addition, for oxidative stress and cardiotoxicity, MWCNTs/MWCNTs-COOH aggravated the toxic effects of 0.5 mg/L DBP on embryos/larvae. The metabolomics results showed that co-exposure mitigated the disturbance of amino acid metabolism mediated by single DBP exposure. In general, MWCNTs/MWCNTs-COOH increased the impact of DBP in the early developmental stages of zebrafish. This study provides new insights into the toxicology of early developmental stages of aquatic organisms exposed to co-exist pollutants of DBP and CNTs.
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Affiliation(s)
- Haiyue Chen
- Inner Mongolia Key Laboratory of Environmental Pollution Control & Waste Resource Reuse, School of Ecology and Environment, Inner Mongolia University, Hohhot 010021, China
| | - Yuexing Zhao
- Inner Mongolia Key Laboratory of Environmental Pollution Control & Waste Resource Reuse, School of Ecology and Environment, Inner Mongolia University, Hohhot 010021, China
| | - Tingting Zhao
- Inner Mongolia Key Laboratory of Environmental Pollution Control & Waste Resource Reuse, School of Ecology and Environment, Inner Mongolia University, Hohhot 010021, China
| | - Yanhong Li
- Inner Mongolia Key Laboratory of Environmental Pollution Control & Waste Resource Reuse, School of Ecology and Environment, Inner Mongolia University, Hohhot 010021, China
| | - Bo Ren
- Inner Mongolia Key Laboratory of Environmental Pollution Control & Waste Resource Reuse, School of Ecology and Environment, Inner Mongolia University, Hohhot 010021, China
| | - Hanlin Liang
- Inner Mongolia Key Laboratory of Environmental Pollution Control & Waste Resource Reuse, School of Ecology and Environment, Inner Mongolia University, Hohhot 010021, China
| | - Hongwu Liang
- Inner Mongolia Key Laboratory of Environmental Pollution Control & Waste Resource Reuse, School of Ecology and Environment, Inner Mongolia University, Hohhot 010021, China.
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5
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Asefi S, Moghimi H. Removal of carboxylated multi-walled carbon nanotubes (MWCNT-COOH) from the environment by Trametes versicolor: a simple, cost-effective, and eco-friendly method. Sci Rep 2023; 13:16139. [PMID: 37752200 PMCID: PMC10522686 DOI: 10.1038/s41598-023-43517-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2023] [Accepted: 09/25/2023] [Indexed: 09/28/2023] Open
Abstract
Nanotechnology has increased the release of nanoparticles into the environment, which poses a risk to human health and the ecosystem. Therefore, finding ways to eliminate these hazardous particles from the environment is crucial. This research studied the ability of Trametes versicolor fungi to remove carboxylated multi-walled carbon nanotubes. The study analyzed the impact of pH, MWCNT-COOH concentration, and initial fungal growth time on the removal process. The properties of the adsorbent were measured before and after the biosorption process using SEM, FTIR, and EDS techniques. The results showed that the live biomass of T. versicolor was more effective in removing nanoparticles than dead biomass at 30 °C and pH 7. An increase in carbon nanotube concentration from 5 to 20 mg. mL-1 decreased biosorption potential from 100% to 28.55 ± 1.7%. The study also found that an increase in initial fungal growth time led to higher biomass production and adsorption capacity, increasing biosorption ability for concentrations > 5mg. ml-1. The biosorption kinetics followed a pseudo-second-order model and corresponded most closely to the Freundlich isotherm model. The adsorption capacity of live fungal biomass to remove multi-walled carbon nanotubes was 945.17 mg. g-1, indicating that T. versicolor fungi have significant potential for removing carbon nanostructures from the environment.
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Affiliation(s)
- Shaqayeq Asefi
- Department of Microbial Biotechnology, School of Biology, College of Science, University of Tehran, Tehran, Iran
| | - Hamid Moghimi
- Department of Microbial Biotechnology, School of Biology, College of Science, University of Tehran, Tehran, Iran.
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6
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Development of polypropylene membranes grafted with nanocellulose to analyze organic pollutants in environmental waters using miniaturized passive samplers based on liquid-phase microextraction. Microchem J 2023. [DOI: 10.1016/j.microc.2023.108641] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/17/2023]
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7
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González-Soto N, Blasco N, Irazola M, Bilbao E, Guilhermino L, Cajaraville MP. Fate and effects of graphene oxide alone and with sorbed benzo(a)pyrene in mussels Mytilus galloprovincialis. JOURNAL OF HAZARDOUS MATERIALS 2023; 452:131280. [PMID: 37030218 DOI: 10.1016/j.jhazmat.2023.131280] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/09/2022] [Revised: 03/13/2023] [Accepted: 03/22/2023] [Indexed: 05/03/2023]
Abstract
Graphene oxide (GO) has gained a great scientific and economic interest due to its unique properties. As incorporation of GO in consumer products is rising, it is expected that GO will end up in oceans. Due to its high surface to volume ratio, GO can adsorb persistent organic pollutants (POPs), such as benzo(a)pyrene (BaP), and act as carrier of POPs, increasing their bioavailability to marine organisms. Thus, uptake and effects of GO in marine biota represent a major concern. This work aimed to assess the potential hazards of GO, alone or with sorbed BaP (GO+BaP), and BaP alone in marine mussels after 7 days of exposure. GO was detected through Raman spectroscopy in the lumen of the digestive tract and in feces of mussels exposed to GO and GO+BaP while BaP was bioaccumulated in mussels exposed to GO+BaP, but especially in those exposed to BaP. Overall, GO acted as a carrier of BaP to mussels but GO appeared to protect mussels towards BaP accumulation. Some effects observed in mussels exposed to GO+BaP were due to BaP carried onto GO nanoplatelets. Enhanced toxicity of GO+BaP with respect to GO and/or BaP or to controls were identified for other biological responses, demonstrating the complexity of interactions between GO and BaP.
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Affiliation(s)
- Nagore González-Soto
- CBET Research Group, Dept. Zoology and Animal Cell Biology, Science and Technology Faculty and Plentzia Marine Station, University of the Basque Country (UPV/EHU), Basque Country, Spain
| | - Nagore Blasco
- CBET Research Group, Dept. Zoology and Animal Cell Biology, Science and Technology Faculty and Plentzia Marine Station, University of the Basque Country (UPV/EHU), Basque Country, Spain
| | - Mireia Irazola
- Dept. Analytical Chemistry and Plentzia Marine Station, University of the Basque Country (UPV/EHU), Basque Country, Spain
| | - Eider Bilbao
- CBET Research Group, Dept. Zoology and Animal Cell Biology, Science and Technology Faculty and Plentzia Marine Station, University of the Basque Country (UPV/EHU), Basque Country, Spain
| | - Lúcia Guilhermino
- Ecotoxicology Research Group, ICBAS, Institute of Biomedical Sciences of Abel Salazar and Research Group of Ecotoxicology, Stress Ecology and Environmental Health (ECOTOX), CIIMAR, Interdisciplinary Centre of Marine and Environmental Research, University of Porto, Portugal
| | - Miren P Cajaraville
- CBET Research Group, Dept. Zoology and Animal Cell Biology, Science and Technology Faculty and Plentzia Marine Station, University of the Basque Country (UPV/EHU), Basque Country, Spain.
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8
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Pikula K, Johari SA, Santos-Oliveira R, Golokhvast K. Toxicity and Biotransformation of Carbon-Based Nanomaterials in Marine Microalgae Heterosigma akashiwo. Int J Mol Sci 2023; 24:10020. [PMID: 37373170 DOI: 10.3390/ijms241210020] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2023] [Revised: 06/02/2023] [Accepted: 06/08/2023] [Indexed: 06/29/2023] Open
Abstract
This work is related to the environmental toxicology risk assessment and evaluation of the possible transformation of carbon-based nanomaterials (CNMs) after contact with marine microalgae. The materials used in the study represent common and widely applied multi-walled carbon nanotubes (CNTs), fullerene (C60), graphene (Gr), and graphene oxide (GrO). The toxicity was evaluated as growth rate inhibition, esterase activity, membrane potential, and reactive oxygen species generation changes. The measurement was performed with flow cytometry after 3, 24, 96 h, and 7 days. The biotransformation of nanomaterials was evaluated after 7 days of microalgae cultivation with CNMs by FTIR and Raman spectroscopy. The calculated toxic level (EC50 in mg/L, 96 h) of used CNMs reduced in the following order: CNTs (18.98) > GrO (76.77) > Gr (159.40) > C60 (414.0). Oxidative stress and membrane depolarization were the main toxic action of CNTs and GrO. At the same time, Gr and C60 decreased the toxic action with time and had no negative impact on microalgae after 7 days of exposure even at the concentration of 125 mg/L. Moreover, C60 and Gr after 7 days of contact with microalgae cells obtained structural deformations.
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Affiliation(s)
- Konstantin Pikula
- Polytechnical Institute, Far Eastern Federal University, 10 Ajax Bay, Russky Island, 690922 Vladivostok, Russia
| | - Seyed Ali Johari
- Department of Fisheries, Faculty of Natural Resources, University of Kurdistan, Pasdaran St, Sanandaj 66177-15175, Iran
| | - Ralph Santos-Oliveira
- Laboratory of Nanoradiopharmaceuticals and Synthesis of Novel Radiopharmaceuticals, Nuclear Engineering Institute, Brazilian Nuclear Energy Commission, Rua Hélio de Almeida 75, Rio de Janeiro 21941906, Brazil
- Laboratory of Nanoradiopharmaceuticals and Radiopharmacy, Rio de Janeiro State University, R. São Francisco Xavier, 524, Rio de Janeiro 23070200, Brazil
| | - Kirill Golokhvast
- Polytechnical Institute, Far Eastern Federal University, 10 Ajax Bay, Russky Island, 690922 Vladivostok, Russia
- Siberian Federal Scientific Center of Agrobiotechnology RAS, Centralnaya Str., Presidium, 633501 Krasnoobsk, Russia
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Das S, Chakraborty K, Ghosh D, Pulimi M, Chandrasekaran N, Anand S, Rai PK, Mukherjee A. Systematic assessment of f-MWCNT transport in aqueous medium: the effect of shear and non-shear forces. INTERNATIONAL JOURNAL OF ENVIRONMENTAL SCIENCE AND TECHNOLOGY 2023; 20:6291-6306. [DOI: 10.1007/s13762-022-04295-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/16/2022] [Revised: 04/24/2022] [Accepted: 05/18/2022] [Indexed: 10/26/2023]
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El-Kalliny AS, Abdel-Wahed MS, El-Zahhar AA, Hamza IA, Gad-Allah TA. Nanomaterials: a review of emerging contaminants with potential health or environmental impact. DISCOVER NANO 2023; 18:68. [PMID: 37382722 PMCID: PMC10409958 DOI: 10.1186/s11671-023-03787-8] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/09/2022] [Accepted: 02/02/2023] [Indexed: 06/30/2023]
Abstract
Nanotechnologies have been advantageous in many sectors and gaining much concern due to the unique physical, chemical and biological properties of nanomaterials (NMs). We have surveyed peer-reviewed publications related to "nanotechnology", "NMs", "NMs water treatment", "NMs air treatment", and "NMs environmental risk" in the last 23 years. We found that most of the research work is focused on developing novel applications for NMs and new products with peculiar features. In contrast, there are relatively few of publications concerning NMs as environmental contaminants relative to that for NMs applications. Thus, we devoted this review for NMs as emerging environmental contaminants. The definition and classification of NMs will be presented first to demonstrate the importance of unifying the NMs definition. The information provided here should facilitate the detection, control, and regulation of NMs contaminants in the environment. The high surface-area-to-volume ratio and the reactivity of NMs contaminants cause the prediction of the chemical properties and potential toxicities of NPs to be extremely difficult; therefore, we found that there are marked knowledge gaps in the fate, impact, toxicity, and risk of NMs. Consequently, developing and modifying extraction methods, detection tools, and characterization technologies are essential for complete risk assessment of NMs contaminants in the environment. This will help also in setting regulations and standards for releasing and handling NMs as there are no specific regulations. Finally, the integrated treatment technologies are necessary for the removal of NMs contaminants in water. Also, membrane technology is recommended for NMs remediation in air.
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Affiliation(s)
- Amer S El-Kalliny
- Water Pollution Research Department, National Research Centre, 33 El Buhouth St., Dokki, Giza, 12622, Egypt
| | - Mahmoud S Abdel-Wahed
- Water Pollution Research Department, National Research Centre, 33 El Buhouth St., Dokki, Giza, 12622, Egypt.
| | - Adel A El-Zahhar
- Department of Chemistry, College of Science, King Khalid University, P.O. Box 9004, Abha, 61413, Saudi Arabia
| | - Ibrahim A Hamza
- Water Pollution Research Department, National Research Centre, 33 El Buhouth St., Dokki, Giza, 12622, Egypt
| | - Tarek A Gad-Allah
- Water Pollution Research Department, National Research Centre, 33 El Buhouth St., Dokki, Giza, 12622, Egypt
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11
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Dasmahapatra AK, Tchounwou PB. Evaluation of pancreatic δ- cells as a potential target site of graphene oxide toxicity in Japanese medaka (Oryzias latipes) fish. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2023; 253:114649. [PMID: 36806823 PMCID: PMC10032203 DOI: 10.1016/j.ecoenv.2023.114649] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/06/2022] [Revised: 01/23/2023] [Accepted: 02/11/2023] [Indexed: 06/18/2023]
Abstract
In continuation to our previous investigations on graphene oxide (GO) as an endocrine disrupting chemical (EDC), in the present experiment, we have investigated endocrine pancreas of Japanese medaka adults focusing on δ-cells in the islet organs as an endpoint. Breeding pairs of adult male and female fish were exposed to 0 mg/L (control) or 20 mg/L GO by continuous immersion (IMR) for 96 h, or to 0 µg/g or 100 µg/g GO by a single intraperitoneal (IP) administration and depurated 21 days in a GO-free environment. Histological investigations indicated that the endocrine cells are concentrated in one large principal islet, and several small secondary islets scattered within the mesentery near the liver and intestine. The cells of the islet organ are in various shapes with basophilic nuclei and eosinophilic cytoplasm. Immunohistochemical evaluation using rabbit polyclonal antisomatostatin antibody indicated that immunoreactivity is localized either at the periphery or at the central region in principal islets, and throughout the secondary islets, and found to be enhanced in fish exposed to GO than controls. The soma of δ-cells exhibits neuron-like morphology and have filopodia like processes. Cell sorting as non-communicating δ-cells (NCDC), communicating cells (CC), and non- δ-cells (NDC) indicated that within an islet organ, the population of NDCC is found to be the least and NDC is the highest. Our data further indicated that GO-induced impairments in the islet organs of medaka pancreas are inconsistent and could be affected by the exposure roots as well as the sex of the fish.
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Affiliation(s)
- Asok K Dasmahapatra
- RCMI Center for Environmental Health, Jackson State University, Jackson, MS 39217, USA; Department of BioMolecular Sciences, Environmental Toxicology Division, University of Mississippi, University, MS 38677, USA
| | - Paul B Tchounwou
- RCMI Center for Environmental Health, Jackson State University, Jackson, MS 39217, USA.
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12
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Nemati S, Shalileh F, Mirjalali H, Omidfar K. Toward waterborne protozoa detection using sensing technologies. Front Microbiol 2023; 14:1118164. [PMID: 36910193 PMCID: PMC9999019 DOI: 10.3389/fmicb.2023.1118164] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2022] [Accepted: 01/30/2023] [Indexed: 03/14/2023] Open
Abstract
Drought and limited sufficient water resources will be the main challenges for humankind during the coming years. The lack of water resources for washing, bathing, and drinking increases the use of contaminated water and the risk of waterborne diseases. A considerable number of waterborne outbreaks are due to protozoan parasites that may remain active/alive in harsh environmental conditions. Therefore, a regular monitoring program of water resources using sensitive techniques is needed to decrease the risk of waterborne outbreaks. Wellorganized point-of-care (POC) systems with enough sensitivity and specificity is the holy grail of research for monitoring platforms. In this review, we comprehensively gathered and discussed rapid, selective, and easy-to-use biosensor and nanobiosensor technologies, developed for the early detection of common waterborne protozoa.
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Affiliation(s)
- Sara Nemati
- Foodborne and Waterborne Diseases Research Center, Research Institute for Gastroenterology and Liver Diseases, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Farzaneh Shalileh
- Department of Life Science Engineering, Faculty of New Sciences and Technologies, University of Tehran, Tehran, Iran
| | - Hamed Mirjalali
- Foodborne and Waterborne Diseases Research Center, Research Institute for Gastroenterology and Liver Diseases, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Kobra Omidfar
- Biosensor Research Center, Endocrinology and Metabolism Molecular–Cellular Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran
- Endocrinology and Metabolism Research Center, Endocrinology and Metabolism Research Institute, Tehran University of Medical Sciences, Tehran, Iran
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13
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Connolly M, Moles G, Carniel FC, Tretiach M, Caorsi G, Flahaut E, Soula B, Pinelli E, Gauthier L, Mouchet F, Navas JM. Applicability of OECD TG 201, 202, 203 for the aquatic toxicity testing and assessment of 2D Graphene material nanoforms to meet regulatory needs. NANOIMPACT 2023; 29:100447. [PMID: 36563784 DOI: 10.1016/j.impact.2022.100447] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/07/2022] [Revised: 12/13/2022] [Accepted: 12/14/2022] [Indexed: 06/17/2023]
Abstract
Tests using algae and/or cyanobacteria, invertebrates (crustaceans) and fish form the basic elements of an ecotoxicological assessment in a number of regulations, in particular for classification of a substance as hazardous or not to the aquatic environment according to the Globally Harmonised System of Classification and Labelling of Chemicals (GHS-CLP) (GHS, 2022) and the REACH regulation (Registration, Evaluation, Authorisation and Restriction of Chemicals, EC, 2006). Standardised test guidelines (TGs) of the Organisation for Economic Co-operation and Development (OECD) are available to address the regulatory relevant endpoints of growth inhibition in algae and cyanobacteria (TG 201), acute toxicity to invertebrates (TG 202), and acute toxicity in fish (TG 203). Applying these existing OECD TGs for testing two dimensional (2D) graphene nanoforms may require more attention, additional considerations and/or adaptations of the protocols, because graphene materials are often problematic to test due to their unique attributes. In this review a critical analysis of all existing studies and approaches to testing used has been performed in order to comment on the current state of the science on testing and the overall ecotoxicity of 2D graphene materials. Focusing on the specific tests and available guidance's, a complete evaluation of aquatic toxicity testing for hazard classification of 2D graphene materials, as well as the use of alternative tests in an integrated approach to testing and assessment, has been made. This information is essential to ensure future assessments generate meaningful data that will fulfil regulatory requirements for the safe use of this "wonder" material.
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Affiliation(s)
- M Connolly
- INIA-CSIC, Department of Environment and Agronomy, Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria-Consejo Superior de Investigaciones Científicas, Ctra. de La Coruña, km 7, 5, 28040 Madrid, Spain.
| | - G Moles
- INIA-CSIC, Department of Environment and Agronomy, Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria-Consejo Superior de Investigaciones Científicas, Ctra. de La Coruña, km 7, 5, 28040 Madrid, Spain
| | - F Candotto Carniel
- UNITS, Department of Chemical and Pharmaceutical Sciences, University of Trieste, via L. Giorgieri 1, Trieste I-34127, Italy
| | - M Tretiach
- UNITS, Department of Life Sciences, University of Trieste, via L. Giorgieri 10, Trieste I-34127, Italy
| | - G Caorsi
- UNITS, Department of Life Sciences, University of Trieste, via L. Giorgieri 10, Trieste I-34127, Italy
| | - E Flahaut
- CNRS CIRIMAT/ECOLAB, Centre National de la Recherche Scientifique, Centre Inter-universitaire de Recherche et d'Ingénierie en Matériaux (CIRIMAT)/Laboratoire Ecologie Fonctionnelle et Environnement, 16 Av Edouard Belin, 31400 Toulouse, France
| | - B Soula
- CNRS CIRIMAT/ECOLAB, Centre National de la Recherche Scientifique, Centre Inter-universitaire de Recherche et d'Ingénierie en Matériaux (CIRIMAT)/Laboratoire Ecologie Fonctionnelle et Environnement, 16 Av Edouard Belin, 31400 Toulouse, France
| | - E Pinelli
- CNRS CIRIMAT/ECOLAB, Centre National de la Recherche Scientifique, Centre Inter-universitaire de Recherche et d'Ingénierie en Matériaux (CIRIMAT)/Laboratoire Ecologie Fonctionnelle et Environnement, 16 Av Edouard Belin, 31400 Toulouse, France
| | - L Gauthier
- CNRS CIRIMAT/ECOLAB, Centre National de la Recherche Scientifique, Centre Inter-universitaire de Recherche et d'Ingénierie en Matériaux (CIRIMAT)/Laboratoire Ecologie Fonctionnelle et Environnement, 16 Av Edouard Belin, 31400 Toulouse, France
| | - F Mouchet
- CNRS CIRIMAT/ECOLAB, Centre National de la Recherche Scientifique, Centre Inter-universitaire de Recherche et d'Ingénierie en Matériaux (CIRIMAT)/Laboratoire Ecologie Fonctionnelle et Environnement, 16 Av Edouard Belin, 31400 Toulouse, France
| | - J M Navas
- INIA-CSIC, Department of Environment and Agronomy, Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria-Consejo Superior de Investigaciones Científicas, Ctra. de La Coruña, km 7, 5, 28040 Madrid, Spain
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Pikula K, Johari SA, Golokhvast K. Colloidal Behavior and Biodegradation of Engineered Carbon-Based Nanomaterials in Aquatic Environment. NANOMATERIALS (BASEL, SWITZERLAND) 2022; 12:4149. [PMID: 36500771 PMCID: PMC9737966 DOI: 10.3390/nano12234149] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/02/2022] [Revised: 11/16/2022] [Accepted: 11/20/2022] [Indexed: 06/17/2023]
Abstract
Carbon-based nanomaterials (CNMs) have attracted a growing interest over the last decades. They have become a material commonly used in industry, consumer products, water purification, and medicine. Despite this, the safety and toxic properties of different types of CNMs are still debatable. Multiple studies in recent years highlight the toxicity of CNMs in relation to aquatic organisms, including bacteria, microalgae, bivalves, sea urchins, and other species. However, the aspects that have significant influence on the toxic properties of CNMs in the aquatic environment are often not considered in research works and require further study. In this work, we summarized the current knowledge of colloidal behavior, transformation, and biodegradation of different types of CNMs, including graphene and graphene-related materials, carbon nanotubes, fullerenes, and carbon quantum dots. The other part of this work represents an overview of the known mechanisms of CNMs' biodegradation and discusses current research works relating to the biodegradation of CNMs in aquatic species. The knowledge about the biodegradation of nanomaterials will facilitate the development of the principals of "biodegradable-by-design" nanoparticles which have promising application in medicine as nano-carriers and represent lower toxicity and risks for living species and the environment.
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Affiliation(s)
- Konstantin Pikula
- Polytechnical Institute, Far Eastern Federal University, 10 Ajax Bay, Russky Island, Vladivostok 690922, Russia
| | - Seyed Ali Johari
- Department of Fisheries, Faculty of Natural Resources, University of Kurdistan, Pasdaran St., Sanandaj 66177-15175, Iran
| | - Kirill Golokhvast
- Polytechnical Institute, Far Eastern Federal University, 10 Ajax Bay, Russky Island, Vladivostok 690922, Russia
- Siberian Federal Scientific Centre of Agrobiotechnology, Centralnaya, Presidium, Krasnoobsk 633501, Russia
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15
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Wu M, Chen Y, Cheng Z, Hao Y, Hu BX, Mo C, Li Q, Zhao H, Xiang L, Wu J, Wu J, Lu G. Effects of polyamide microplastic on the transport of graphene oxide in porous media. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 843:157042. [PMID: 35777558 DOI: 10.1016/j.scitotenv.2022.157042] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/05/2022] [Revised: 06/05/2022] [Accepted: 06/25/2022] [Indexed: 06/15/2023]
Abstract
With the rapid development of the nano-material and chemical industry, more and more microplastic (MP) and nano-material were discharged into the environment. In this study, a two-dimensional (2D) surface of Extended Darjaguin-Landau-Verwe-Overbeek (XDLVO) is proposed to quantitatively investigate the effect of polyamide (PA) on the transport of graphene oxide (GO) in porous media. The influences of mass fraction of PA, flow rate, GO concentration, ionic type and strength on the migration of GO in saturated porous media are investigated by column experiments and numerical models. The two-dimensional (2D) surfaces of XDLVO interaction energy between GO and GO, GO and QS, GO and PA, are firstly calculated to analyze the transport of GO in saturated porous media. Experimental results suggest the mobility of GO is enhanced when flow velocity and initial concentration of GO are increased. However, the mobility of GO is inhibited when the mass fraction of PA and ionic strength are increased. More important, the inhibitory effect of divalent cations on GO migration is stronger than that of monovalent cations. Simultaneously, XDLVO results suggest that ionic types and strengths are important factors affecting the mobility of GO in porous media, and the critical ionic strength is observed from the continuous variation of the secondary minimum trap of XDLVO interaction energy. Model results show that there is a linear relationship between the logarithm of the secondary minimum trap of XDLVO interaction energy and the parameters related to GO mobility, which suggests XDLVO energy surface has an important application significance in the accurate quantification of GO mobility in porous media. These findings contribute to GO transport affected by microplastic in porous media, thus laying a significant foundation for the environmental risk and contamination remediation.
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Affiliation(s)
- Ming Wu
- Guangdong Provincial Research Center for Environment Pollution Control and Remediation Materials, College of Life Science and Technology, Jinan University, Guangzhou 510632, China; Key Laboratory of Surficial Geochemistry, Ministry of Education, Department of Hydrosciences, School of Earth Sciences and Engineering, Nanjing University, Nanjing 210023, China
| | - Yanna Chen
- Guangdong Provincial Research Center for Environment Pollution Control and Remediation Materials, College of Life Science and Technology, Jinan University, Guangzhou 510632, China.
| | - Zhou Cheng
- Guangdong Provincial Academy of Environmental Science, Guangzhou 510045, China.
| | - Yanru Hao
- Guangdong Provincial Research Center for Environment Pollution Control and Remediation Materials, College of Life Science and Technology, Jinan University, Guangzhou 510632, China
| | - Bill X Hu
- Guangdong Provincial Research Center for Environment Pollution Control and Remediation Materials, College of Life Science and Technology, Jinan University, Guangzhou 510632, China; School of Water Conservancy and Environment, University of Jinan, Jinan 250022, China
| | - Cehui Mo
- Guangdong Provincial Research Center for Environment Pollution Control and Remediation Materials, College of Life Science and Technology, Jinan University, Guangzhou 510632, China
| | - Qusheng Li
- Guangdong Key Laboratory of Environmental Pollution and Health, School of Environment, Jinan University, Guangzhou 510632, China
| | - Haiming Zhao
- Guangdong Provincial Research Center for Environment Pollution Control and Remediation Materials, College of Life Science and Technology, Jinan University, Guangzhou 510632, China
| | - Lei Xiang
- Guangdong Provincial Research Center for Environment Pollution Control and Remediation Materials, College of Life Science and Technology, Jinan University, Guangzhou 510632, China
| | - Jianfeng Wu
- Key Laboratory of Surficial Geochemistry, Ministry of Education, Department of Hydrosciences, School of Earth Sciences and Engineering, Nanjing University, Nanjing 210023, China
| | - Jichun Wu
- Key Laboratory of Surficial Geochemistry, Ministry of Education, Department of Hydrosciences, School of Earth Sciences and Engineering, Nanjing University, Nanjing 210023, China
| | - Guoping Lu
- Guangdong Provincial Research Center for Environment Pollution Control and Remediation Materials, College of Life Science and Technology, Jinan University, Guangzhou 510632, China
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Evariste L, Lagier L, Chary C, Mottier A, Cadarsi S, Pinelli E, Flahaut E, Gauthier L, Mouchet F. Exposure of Midge Larvae ( Chironomus riparius) to Graphene Oxide Leads to Development Alterations. TOXICS 2022; 10:588. [PMID: 36287868 PMCID: PMC9608897 DOI: 10.3390/toxics10100588] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/31/2022] [Revised: 09/26/2022] [Accepted: 10/02/2022] [Indexed: 06/16/2023]
Abstract
Despite the fast-growing use and production of graphene-based nanomaterials (GBMs), data concerning their effects on freshwater benthic macroinvertebrates are scarce. This study aims to investigate the effects of graphene oxide (GO) on the midge Chironomus riparius. Mortality, growth inhibition, development delay and teratogenicity, assessed using mentum deformity analysis, were investigated after a 7-day static exposure of the first instar larvae under controlled conditions. The collected data indicated that the survival rate was not impacted by GO, whereas chronic toxicity following a dose-dependent response occurred. Larval growth was affected, leading to a significant reduction in larval length (from 4.4 to 10.1%) in individuals reaching the fourth instar at any of the tested concentrations (from 0.1 to 100 mg/L). However, exposure to GO is not associated with an increased occurrence of mouthpart deformities or seriousness in larvae. These results highlight the suitability of monitoring the larval development of C. riparius as a sensitive marker of GO toxicity. The potential ecological consequences of larval size decrease need to be considered for a complete characterization of the GO-related environmental risk.
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Affiliation(s)
- Lauris Evariste
- Laboratoire d’Ecologie Fonctionnelle et Environnement, UMR 5245 CNRS, Université Paul Sabatier, 31062 Toulouse, France
| | - Laura Lagier
- Laboratoire d’Ecologie Fonctionnelle et Environnement, UMR 5245 CNRS, Université Paul Sabatier, 31062 Toulouse, France
| | - Chloé Chary
- Laboratoire d’Ecologie Fonctionnelle et Environnement, UMR 5245 CNRS, Université Paul Sabatier, 31062 Toulouse, France
| | - Antoine Mottier
- Laboratoire d’Ecologie Fonctionnelle et Environnement, UMR 5245 CNRS, Université Paul Sabatier, 31062 Toulouse, France
| | - Stéphanie Cadarsi
- Laboratoire d’Ecologie Fonctionnelle et Environnement, UMR 5245 CNRS, Université Paul Sabatier, 31062 Toulouse, France
| | - Eric Pinelli
- Laboratoire d’Ecologie Fonctionnelle et Environnement, UMR 5245 CNRS, Université Paul Sabatier, 31062 Toulouse, France
| | - Emmanuel Flahaut
- CIRIMAT, CNRS-INP-UPS, UMR N°5085, Université Toulouse 3 Paul Sabatier, 118 Route de Narbonne, 31062 Toulouse, France
| | - Laury Gauthier
- Laboratoire d’Ecologie Fonctionnelle et Environnement, UMR 5245 CNRS, Université Paul Sabatier, 31062 Toulouse, France
| | - Florence Mouchet
- Laboratoire d’Ecologie Fonctionnelle et Environnement, UMR 5245 CNRS, Université Paul Sabatier, 31062 Toulouse, France
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17
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Dasmahapatra AK, Tchounwou PB. Histopathological evaluation of the interrenal gland (adrenal homolog) of Japanese medaka (Oryzias latipes) exposed to graphene oxide. ENVIRONMENTAL TOXICOLOGY 2022; 37:2460-2482. [PMID: 35809259 PMCID: PMC9463118 DOI: 10.1002/tox.23610] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/25/2022] [Revised: 05/31/2022] [Accepted: 06/14/2022] [Indexed: 05/23/2023]
Abstract
Due to unique physicochemical properties and wide industrial and biomedical applications, graphene oxide (GO) is ubiquitous in the aquatic ecosystem. Using Japanese medaka (Oryzias latipes) fish as a model, we previously demonstrated minimal endocrine disrupting (ED) effects of GO on reproductive organs, and thyroids. Current study investigated the ED-effects of GO on the interrenal gland (IRG) of medaka. Breeding pairs of adult male and female fish were exposed to 0 mg/L (control) or 20 mg/L GO by continuous immersion for 96 h, or to 0 or 100 μg/g GO by intraperitoneal administration. Also, 1 day post-hatch (dph) larvae were exposed to different concentrations of GO (2.5-20 mg/L) for 96 h. IRG was evaluated by immunohistochemical techniques after 21 days depuration in adults and 6 weeks in larvae. IRG cells were counted and the nuclear area was measured in hematoxylin-eosin stained sections using ImageJ software. We found that IRG is distributed adjacent to the posterior cardinal vein and its branches within the head kidney. Columnar/oval shaped periodic acid-Schiff negative, tyrosine hydroxylase positive cells are arranged either in a single, or in groups, sometimes encircling a sinusoid, or in a straight chord, laying adjacent to the endothelium of the cardinal vein, and having eosinophilic cytoplasm with round/oval basophilic nuclei. GO effect on nuclei and cell population in IRG was inconsistent; depending on exposure route, sex, and/or age of the fish. Also, because of its high adsorptive property and sharp edges, GO probably agglomerated on IRG, and induced physical injury, and ED effects.
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Affiliation(s)
- Asok K. Dasmahapatra
- RCMI Center for Environmental HealthJackson State UniversityJacksonMississippiUSA
- Department of Biomolecular Sciences, Environmental Toxicology DivisionUniversity of MississippiOxfordMississippiUSA
| | - Paul B. Tchounwou
- RCMI Center for Environmental HealthJackson State UniversityJacksonMississippiUSA
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18
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Ross BN, Knightes CD. Simulation of the Environmental Fate and Transformation of Nano Copper Oxide in a Freshwater Environment. ACS ES&T WATER 2022; 2:1532-1543. [PMID: 36118665 PMCID: PMC9469096 DOI: 10.1021/acsestwater.2c00157] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/07/2022] [Revised: 07/28/2022] [Accepted: 07/29/2022] [Indexed: 06/15/2023]
Abstract
Production of engineered nanomaterials (ENMs) has rapidly increased, yet uncertainty exists regarding the full extent of their environmental implications. This study investigates the fate, transformation, and speciation of nano copper oxide (nanoCuO) released into Lake Waccamaw, North Carolina, over 101 years. Using the Advanced Toxicant module of the Water Quality Analysis Simulation Program (WASP8), we assessed the accumulation and mass proportions of nanoCuO and Cu2+ (the product of nanoCuO's dissolution) in the water column and sediments. Our simulations suggest that when nanoCuO is released into Lake Waccamaw, the highest concentrations of both nanoCuO and Cu2+ are found in the surface sediments, followed by the subsurface sediments and the water column. Simulating different heteroaggregation attachment efficiencies of nanoCuO suggested that increases in attachment efficiency increased nanoCuO concentrations and mass proportions in the water column and sediments, while Cu2+ exhibited the opposite trends. After 101 years, most nanoCuO in the sediments was attached to particulate organic matter and clay particles at all attachment efficiencies, while low attachment efficiency slowed aggregate formation in the water column. Our results highlight the influence that heteroaggregation has on the behavior of nanoCuO inputs and suggest the potential for legacy contamination of nanoCuO and Cu2+ in sediments.
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Affiliation(s)
- Bianca N. Ross
- Atlantic
Coastal Environmental Sciences Division, Center for Environmental
Measurement & Modeling, Office of Research and Development, USEPA, 27 Tarzwell Drive, Narragansett, Rhode Island 02882, United States
- Oak
Ridge Institute for Science and Education, Oak Ridge, Tennessee 37830, United States
| | - Christopher D. Knightes
- Atlantic
Coastal Environmental Sciences Division, Center for Environmental
Measurement & Modeling, Office of Research and Development, USEPA, 27 Tarzwell Drive, Narragansett, Rhode Island 02882, United States
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Zhao T, Ren B, Zhao Y, Chen H, Wang J, Li Y, Liang H, Li L, Liang H. Multi-walled carbon nanotubes impact on the enantioselective bioaccumulation and toxicity of the chiral insecticide bifenthrin to zebrafish (Danio rerio). CHEMOSPHERE 2022; 294:133690. [PMID: 35063547 DOI: 10.1016/j.chemosphere.2022.133690] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/04/2021] [Revised: 01/16/2022] [Accepted: 01/17/2022] [Indexed: 06/14/2023]
Abstract
The effects of different multi-walled carbon nanotubes on the enantioselective bioaccumulation and toxicity of the chiral pesticide bifenthrin to zebrafish were investigated in this work. The results showed that MWCNTs and MWCNTs-COOH did not affect the preferential bioaccumulation of 1R-cis-BF in zebrafish following exposure to cis-BF enantiomers for 28 days, but which increased cis-BF accumulation amount by 1.03-1.48 times. Further research demonstrated that the genes related to immunity, endocrine activity and neurotoxicity showed enantioselective expression in different zebrafish tissues, and sex-specific differences were observed. The levels of c-fos, th, syn2a, 17β-hsd and cc-chem were expressed as 1.09-2.84 times higher in females and males treated with 1R-cis-BF than in the 1S-cis-BF-treated groups. However, in the presence of MWCNTs or MWCNTs-COOH, c-fos, th, syn2a, 17β-hsd and cc-chem levels were expressed as 1.53-14.92 times higher in females and males treated with 1S-cis-BF than in 1R-cis-BF-treated groups, which indicated that enantioselective expression was altered. The effects of different types of MWCNTs on the enantioselective bioaccumulation and toxicity of BF in zebrafish have little difference. In summary, the presence of MWCNTs or MWCNTs-COOH increased the impact of BF on zebrafish. Therefore, the risks posed by coexisting nanomaterials and chiral pesticides in aquatic environments should be considered.
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Affiliation(s)
- Tingting Zhao
- Inner Mongolia Key Laboratory of Environmental Pollution Control & Waste Resource Reuse, School of Ecology and Environment, Inner Mongolia University, Hohhot, The Inner Mongolia Autonomous Region Hohhot College Road No. 235, 010021, China
| | - Bo Ren
- Inner Mongolia Key Laboratory of Environmental Pollution Control & Waste Resource Reuse, School of Ecology and Environment, Inner Mongolia University, Hohhot, The Inner Mongolia Autonomous Region Hohhot College Road No. 235, 010021, China
| | - Yuexing Zhao
- Inner Mongolia Key Laboratory of Environmental Pollution Control & Waste Resource Reuse, School of Ecology and Environment, Inner Mongolia University, Hohhot, The Inner Mongolia Autonomous Region Hohhot College Road No. 235, 010021, China
| | - Haiyue Chen
- Inner Mongolia Key Laboratory of Environmental Pollution Control & Waste Resource Reuse, School of Ecology and Environment, Inner Mongolia University, Hohhot, The Inner Mongolia Autonomous Region Hohhot College Road No. 235, 010021, China
| | - Ju Wang
- Inner Mongolia Key Laboratory of Environmental Pollution Control & Waste Resource Reuse, School of Ecology and Environment, Inner Mongolia University, Hohhot, The Inner Mongolia Autonomous Region Hohhot College Road No. 235, 010021, China
| | - Yanhong Li
- Inner Mongolia Key Laboratory of Environmental Pollution Control & Waste Resource Reuse, School of Ecology and Environment, Inner Mongolia University, Hohhot, The Inner Mongolia Autonomous Region Hohhot College Road No. 235, 010021, China
| | - Hanlin Liang
- Inner Mongolia Key Laboratory of Environmental Pollution Control & Waste Resource Reuse, School of Ecology and Environment, Inner Mongolia University, Hohhot, The Inner Mongolia Autonomous Region Hohhot College Road No. 235, 010021, China
| | - Li Li
- College of Plant Protection, Shanxi Agricultural University, Taiyuan, PR China
| | - Hongwu Liang
- Inner Mongolia Key Laboratory of Environmental Pollution Control & Waste Resource Reuse, School of Ecology and Environment, Inner Mongolia University, Hohhot, The Inner Mongolia Autonomous Region Hohhot College Road No. 235, 010021, China.
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20
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Chen P, Yang J, Wang R, Xiao B, Liu Q, Sun B, Wang X, Zhu L. Graphene oxide enhanced the endocrine disrupting effects of bisphenol A in adult male zebrafish: Integrated deep learning and metabolomics studies. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 809:151103. [PMID: 34743883 DOI: 10.1016/j.scitotenv.2021.151103] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/01/2021] [Revised: 10/14/2021] [Accepted: 10/16/2021] [Indexed: 06/13/2023]
Abstract
In our previous studies, it was found that graphene oxide (GO) reduced the endocrine disruption of bisphenol A (BPA) in zebrafish embryo and larvae, but through different mechanisms. In this study, adult male zebrafish were selected to further understand the interactions between GO and BPA considering that adult zebrafish have different uptake pathways and metabolism from embryo and larvae. BPA was predicted to bind with the estrogen receptor α (ERα) with a probability of 98.1% by training a directed-message passing deep neural network model, and was confirmed by molecular docking analysis. The results were in accordance with the significantly increased vitellogenin (VTG) and estradiol (E2) levels, while decreased testosterone (T) and follicle-stimulating hormone (FSH) levels in the adult male zebrafish after 7 d exposure to 500 μg/L BPA. Compared to BPA single exposure group, the presence of GO led to significantly lower T and FSH levels and fewer spermatozoa, indicating that GO enhanced the endocrine disruption effects of BPA in the adult zebrafish. Metabolomics analysis revealed that 5 μg/L BPA could elicit changes in the metabolome, and the responses were correlated with BPA concentrations. Metabolic pathway analysis revealed more disturbance was caused by the mixture of GO and BPA compared to BPA alone, including three additional pathways and stronger perturbations on carbohydrate, lipid, and amino acid metabolism, fortifying that GO exaggerated the toxic effects of BPA. This was opposite to the depression effect observed in zebrafish embryo and larvae, magnifying that the joint effects of exposure to nanomaterials and endocrine disrupting chemicals are relevant to the life stages of organisms.
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Affiliation(s)
- Pengyu Chen
- Ministry of Education Key Laboratory of Pollution Processes and Environmental Criteria, Tianjin Key Laboratory of Environmental Remediation and Pollution Control, College of Environmental Science and Engineering of Nankai University, Tianjin 300350, China; College of Oceanography, Hohai University, Nanjing 210098, China
| | - Jing Yang
- Ministry of Education Key Laboratory of Pollution Processes and Environmental Criteria, Tianjin Key Laboratory of Environmental Remediation and Pollution Control, College of Environmental Science and Engineering of Nankai University, Tianjin 300350, China
| | - Ruihan Wang
- College of Chemistry, Sichuan University, Chengdu, Sichuan 610064, China
| | - Bowen Xiao
- Ministry of Education Key Laboratory of Pollution Processes and Environmental Criteria, Tianjin Key Laboratory of Environmental Remediation and Pollution Control, College of Environmental Science and Engineering of Nankai University, Tianjin 300350, China
| | - Qing Liu
- Ministry of Education Key Laboratory of Pollution Processes and Environmental Criteria, Tianjin Key Laboratory of Environmental Remediation and Pollution Control, College of Environmental Science and Engineering of Nankai University, Tianjin 300350, China
| | - Binbin Sun
- Ministry of Education Key Laboratory of Pollution Processes and Environmental Criteria, Tianjin Key Laboratory of Environmental Remediation and Pollution Control, College of Environmental Science and Engineering of Nankai University, Tianjin 300350, China
| | - Xiaolei Wang
- Ministry of Education Key Laboratory of Pollution Processes and Environmental Criteria, Tianjin Key Laboratory of Environmental Remediation and Pollution Control, College of Environmental Science and Engineering of Nankai University, Tianjin 300350, China
| | - Lingyan Zhu
- Ministry of Education Key Laboratory of Pollution Processes and Environmental Criteria, Tianjin Key Laboratory of Environmental Remediation and Pollution Control, College of Environmental Science and Engineering of Nankai University, Tianjin 300350, China.
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21
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Wu S, Ji X, Li X, Ye J, Xu W, Wang R, Hou M. Mutual impacts and interactions of antibiotic resistance genes, microcystin synthetase genes, graphene oxide, and Microcystis aeruginosa in synthetic wastewater. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2022; 29:3994-4007. [PMID: 34402007 DOI: 10.1007/s11356-021-15627-2] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/15/2021] [Accepted: 07/20/2021] [Indexed: 06/13/2023]
Abstract
The physiological impacts and interactions of antibiotic resistance gene (ARG) abundance, microcystin synthetase gene expression, graphene oxide (GO), and Microcystis aeruginosa in synthetic wastewater were investigated. The results demonstrated that the absolute abundance of sul1, sul2, tetW, and tetM in synthetic wastewater dramatically increased to 365.2%, 427.1%, 375.2%, and 231.7%, respectively, when the GO concentration was 0.01 mg/L. Even more interesting is that the sum gene copy numbers of mcyA-J also increased to 243.2%. The appearance of GO made the significant correlation exist between ARGs abundance and mcyA-J expression. Furthermore, M. aeruginosa displayed better photosynthetic performance and more MCs production at 0.01 mg/L GO. There were 65 pairs of positive correlations between the intracellular differential metabolites of M. aeruginosa and the abundance of sul1, sul2, tetM, and tetW with various GO concentrations. The GO will impact the metabolites and metabolic pathway in M. aeruginosa. The metabolic changes impacted the ARGs, microcystin synthetase genes, and physiological characters in algal cells. Furthermore, there were complex correlations among sul1, sul2, tetM, tetW, mcyA-J, MCs, photosynthetic performance parameters, and ROS. The different concentration of GO will aggravate the hazards of M. aeruginosa by promoting the expression of mcyA-J, producing more MCs; simultaneously, it may cause the spread of ARGs.
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Affiliation(s)
- Shichao Wu
- School of Ecological Technology and Engineering, Shanghai Institute of Technology, Shanghai, 201418, People's Republic of China
| | - Xiyan Ji
- School of Ecological Technology and Engineering, Shanghai Institute of Technology, Shanghai, 201418, People's Republic of China.
| | - Xin Li
- School of Ecological Technology and Engineering, Shanghai Institute of Technology, Shanghai, 201418, People's Republic of China
| | - Jing Ye
- School of Chemical and Environmental Engineering, Shanghai Institute of Technology, Shanghai, 201418, People's Republic of China
| | - Wenwu Xu
- School of Railway Transportation, Shanghai Institute of Technology, Shanghai, 201418, People's Republic of China
| | - Rui Wang
- Shanghai Luming Biological Technology Co. Ltd, Shanghai, 201114, People's Republic of China
| | - Meifang Hou
- School of Ecological Technology and Engineering, Shanghai Institute of Technology, Shanghai, 201418, People's Republic of China.
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22
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Asala TE, Dasmahapatra AK, Myla A, Tchounwou PB. Histological and Histochemical Evaluation of the Effects of Graphene Oxide on Thyroid Follicles and Gas Gland of Japanese Medaka (Oryzias latipes) Larvae. CHEMOSPHERE 2022; 286:131719. [PMID: 34426126 PMCID: PMC8595807 DOI: 10.1016/j.chemosphere.2021.131719] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/20/2021] [Revised: 07/26/2021] [Accepted: 07/28/2021] [Indexed: 05/13/2023]
Abstract
Graphene oxide (GO) has become a topic of increasing concern for its environmental and health risks. However, studies on the potential toxic effects of GO, especially as an endocrine disrupting chemical (EDC), are very limited. In the present study we have used Japanese medaka fish as a model to assess the endocrine disruption potential of GO by evaluating its toxic and histopathologic effects on thyroid follicles and the gas gland (GG) of medaka larvae. One day post-hatch (dph) starved medaka fries were exposed to GO (2.5, 5.0, 10.0, and 20 mg/L) for 96 h, followed by 6 weeks depuration in a GO-free environment with feeding. Larvae were sacrificed and histopathological evaluation of thyroid follicles and the GG cells were done microscopically. Different sizes of spherical/oval shape thyroid follicles containing PAS positive colloids, surrounded by single-layered squamous/cuboidal epithelium, were found to be scattered predominantly throughout the pharyngeal region near the ventral aorta. We have apparently observed a sex-specific difference in the follicular size and thyrocytes height and a non-linear effect of GO exposure on the larvae on 47th day post hatch (dph). The GG is composed of large uniform epithelial cells with eosinophilic cytoplasm. Like thyroids, our studies on GG cells indicate a sex-specific difference and GO exposure non-linearly reduced the GG cell numbers in males and females as well as in XY and XX genotypes. Our data further confirm that sex effect should be carefully considered while assessing the toxicity of EDCs on the thyroid gland.
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Affiliation(s)
- Tolulope E Asala
- RCMI Center for Environmental Health, Jackson State University, 1400 JR Lynch Street, Jackson, MS, 39217, USA
| | - Asok K Dasmahapatra
- RCMI Center for Environmental Health, Jackson State University, 1400 JR Lynch Street, Jackson, MS, 39217, USA; Department of BioMolecular Sciences, Environmental Toxicology Division, University of Mississippi, University, MS, 38677, USA
| | - Anitha Myla
- RCMI Center for Environmental Health, Jackson State University, 1400 JR Lynch Street, Jackson, MS, 39217, USA
| | - Paul B Tchounwou
- RCMI Center for Environmental Health, Jackson State University, 1400 JR Lynch Street, Jackson, MS, 39217, USA.
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23
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Pandey RR, Chusuei CC. Carbon Nanotubes, Graphene, and Carbon Dots as Electrochemical Biosensing Composites. Molecules 2021; 26:6674. [PMID: 34771082 PMCID: PMC8587008 DOI: 10.3390/molecules26216674] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2021] [Revised: 10/27/2021] [Accepted: 10/28/2021] [Indexed: 12/20/2022] Open
Abstract
Carbon nanomaterials (CNMs) have been extensively used as electrochemical sensing composites due to their interesting chemical, electronic, and mechanical properties giving rise to increased performance. Due to these materials' unknown long-term ecological fate, care must be given to make their use tractable. In this review, the design and use of carbon nanotubes (CNTs), graphene, and carbon dots (CDs) as electrochemical sensing electrocatalysts applied to the working electrode surface are surveyed for various biosensing applications. Graphene and CDs are readily biodegradable as compared to CNTs. Design elements for CNTs that carry over to graphene and CDs include Coulombic attraction of components and using O or N atoms that serve as tethering points for attaching electrocatalytically active nanoparticles (NPs) and/or other additives.
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Affiliation(s)
| | - Charles C. Chusuei
- Department of Chemistry, Middle Tennessee State University, Murfreesboro, TN 37132, USA;
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24
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Myla A, Dasmahapatra AK, Tchounwou PB. Sex-reversal and Histopathological Assessment of Potential Endocrine-Disrupting Effects of Graphene Oxide on Japanese medaka (Oryzias latipes) Larvae. CHEMOSPHERE 2021; 279:130768. [PMID: 34134430 PMCID: PMC8217731 DOI: 10.1016/j.chemosphere.2021.130768] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/11/2021] [Revised: 04/24/2021] [Accepted: 04/28/2021] [Indexed: 05/12/2023]
Abstract
Sex-ratio is considered as an end point during endocrine disrupting chemicals (EDCs) evaluation. Many fish species including Japanese medaka have XX/XY sex determination mechanism, however, sex reversal (SR) can be induced by external and genetic factors. SR imposed an imbalance in natural sex ratio of a population living in any ecosystem. Considering SR as an end point, we aimed to investigate the potential EDC effects of graphene oxide (GO), a nanocarbon, using Japanese medaka as a model. One-day post-hatch (dph) medaka fries were exposed to GO (2.5, 5.0, 10.0 and 20 mg/L) for 96 h without food, followed by 6 weeks depuration in a GO-free environment with feeding. Phenotypic sex was determined by gonad histology; genotypic sex by genotyping Y-chromosome-specific male sex determining gene, dmy. Our data indicated testes in both XY and XX genotypes, while ovaries were only in XX females. Histopathology of XY and XX testis showed isogenic spermatocysts with active spermatogenesis. Distribution of spermatocytes (SPTs), not the spermatogonium (SPGs), showed enhancement in XY than XX testis. Female phenotypes had single ovary, either in stage 0 or 1. Ovo-testis/testis-ova were absent in XX or XY gonads. GO (2.5-20 mg/L) had inconsistent concentration-dependent effect in both SPGs and SPTs; however, no effect on ovarian follicles. Despite genotypic differences (XY/XX), in the histopathology/histochemistry of liver and kidneys GO effects was found to be minimum. Taken together, present study showed spontaneous induction of SR in some XX genotypes; however, exposure of fasting fries to GO had no apparent EDC effects.
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Affiliation(s)
- Anitha Myla
- RCMI Center for Environmental Health, Jackson State University, Jackson, MS, 39217, USA
| | - Asok K Dasmahapatra
- RCMI Center for Environmental Health, Jackson State University, Jackson, MS, 39217, USA; Department of BioMolecular Sciences, Environmental Toxicology Division, University of Mississippi, University, MS, 38677, USA
| | - Paul B Tchounwou
- RCMI Center for Environmental Health, Jackson State University, Jackson, MS, 39217, USA.
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25
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Yu H, Luo D, Dai L, Cheng F. In silico nanosafety assessment tools and their ecosystem-level integration prospect. NANOSCALE 2021; 13:8722-8739. [PMID: 33960351 DOI: 10.1039/d1nr00115a] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Engineered nanomaterials (ENMs) have tremendous potential in many fields, but their applications and commercialization are difficult to widely implement due to their safety concerns. Recently, in silico nanosafety assessment has become an important and necessary tool to realize the safer-by-design strategy of ENMs and at the same time to reduce animal tests and exposure experiments. Here, in silico nanosafety assessment tools are classified into three categories according to their methodologies and objectives, including (i) data-driven prediction for acute toxicity, (ii) fate modeling for environmental pollution, and (iii) nano-biological interaction modeling for long-term biological effects. Released ENMs may cross environmental boundaries and undergo a variety of transformations in biological and environmental media. Therefore, the potential impacts of ENMs must be assessed from a multimedia perspective and with integrated approaches considering environmental and biological effects. Ecosystems with biodiversity and an abiotic environment may be used as an excellent integration platform to assess the community- and ecosystem-level nanosafety. In this review, the advances and challenges of in silico nanosafety assessment tools are carefully discussed. Furthermore, their integration at the ecosystem level may provide more comprehensive and reliable nanosafety assessment by establishing a site-specific interactive system among ENMs, abiotic environment, and biological communities.
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Affiliation(s)
- Hengjie Yu
- College of Biosystems Engineering and Food Science, Zhejiang University, Hangzhou 310058, China.
| | - Dan Luo
- Department of Biological and Environmental Engineering, Cornell University, Ithaca, New York 14853, USA
| | - Limin Dai
- College of Biosystems Engineering and Food Science, Zhejiang University, Hangzhou 310058, China.
| | - Fang Cheng
- College of Biosystems Engineering and Food Science, Zhejiang University, Hangzhou 310058, China.
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26
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Evariste L, Braylé P, Mouchet F, Silvestre J, Gauthier L, Flahaut E, Pinelli E, Barret M. Graphene-Based Nanomaterials Modulate Internal Biofilm Interactions and Microbial Diversity. Front Microbiol 2021; 12:623853. [PMID: 33841352 PMCID: PMC8032548 DOI: 10.3389/fmicb.2021.623853] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2020] [Accepted: 02/28/2021] [Indexed: 02/04/2023] Open
Abstract
Graphene-based nanomaterials (GBMs), such as graphene oxide (GO) and reduced graphene oxide (rGO), possess unique properties triggering high expectations for the development of new technological applications and are forecasted to be produced at industrial-scale. This raises the question of potential adverse outcomes on living organisms and especially toward microorganisms constituting the basis of the trophic chain in ecosystems. However, investigations on GBMs toxicity were performed on various microorganisms using single species that are helpful to determine toxicity mechanisms but fail to predict the consequences of the observed effects at a larger organization scale. Thus, this study focuses on the ecotoxicological assessment of GO and rGO toward a biofilm composed of the diatom Nitzschia palea associated to a bacterial consortium. After 48 and 144 h of exposure to these GBMs at 0, 0.1, 1, and 10 mg.L−1, their effects on the diatom physiology, the structure, and the metabolism of bacterial communities were measured through the use of flow cytometry, 16S amplicon sequencing, and Biolog ecoplates, respectively. The exposure to both of these GBMs stimulated the diatom growth. Besides, GO exerted strong bacterial growth inhibition as from 1 mg.L−1, influenced the taxonomic composition of diatom-associated bacterial consortium, and increased transiently the bacterial activity related to carbon cycling, with weak toxicity toward the diatom. On the contrary, rGO was shown to exert a weaker toxicity toward the bacterial consortium, whereas it influenced more strongly the diatom physiology. When compared to the results from the literature using single species tests, our study suggests that diatoms benefited from diatom-bacteria interactions and that the biofilm was able to maintain or recover its carbon-related metabolic activities when exposed to GBMs.
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Affiliation(s)
- Lauris Evariste
- Laboratoire d'écologie fonctionnelle et environnement, Université de Toulouse, CNRS, INPT, UPS, Toulouse, France
| | - Paul Braylé
- Laboratoire d'écologie fonctionnelle et environnement, Université de Toulouse, CNRS, INPT, UPS, Toulouse, France
| | - Florence Mouchet
- Laboratoire d'écologie fonctionnelle et environnement, Université de Toulouse, CNRS, INPT, UPS, Toulouse, France
| | - Jérôme Silvestre
- Laboratoire d'écologie fonctionnelle et environnement, Université de Toulouse, CNRS, INPT, UPS, Toulouse, France
| | - Laury Gauthier
- Laboratoire d'écologie fonctionnelle et environnement, Université de Toulouse, CNRS, INPT, UPS, Toulouse, France
| | - Emmanuel Flahaut
- CIRIMAT, Université de Toulouse, CNRS, INPT, UPS, UMR CNRS-UPS-INP N°5085, Université Toulouse 3 Paul Sabatier, Bât. CIRIMAT, Toulouse, France
| | - Eric Pinelli
- Laboratoire d'écologie fonctionnelle et environnement, Université de Toulouse, CNRS, INPT, UPS, Toulouse, France
| | - Maialen Barret
- Laboratoire d'écologie fonctionnelle et environnement, Université de Toulouse, CNRS, INPT, UPS, Toulouse, France
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Ahamed A, Liang L, Lee MY, Bobacka J, Lisak G. Too small to matter? Physicochemical transformation and toxicity of engineered nTiO 2, nSiO 2, nZnO, carbon nanotubes, and nAg. JOURNAL OF HAZARDOUS MATERIALS 2021; 404:124107. [PMID: 33035908 DOI: 10.1016/j.jhazmat.2020.124107] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/15/2020] [Revised: 09/04/2020] [Accepted: 09/18/2020] [Indexed: 06/11/2023]
Abstract
Engineered nanomaterials (ENMs) refer to a relatively novel class of materials that are increasingly prevalent in various consumer products and industrial applications - most notably for their superlative physicochemical properties when compared with conventional materials. However, consumer products inevitably degrade over the course of their lifetime, releasing ENMs into the environment. These ENMs undergo physicochemical transformations and subsequently accumulate in the environment, possibly leading to various toxic effects. As a result, a significant number of studies have focused on identifying the possible transformations and environmental risks of ENMs, with the objective of ensuring a safe and responsible application of ENMs in consumer products. This review aims to consolidate the results from previous studies related to each stage of the pathway of ENMs from being embodied in a product to disintegration/transformation in the environment. The scope of this work was defined to include the five most prevalent ENMs based on recent projected production market data, namely: nTiO2, nSiO2, nZnO, carbon nanotubes, and nAg. The review focuses on: (i) models developed to estimate environmental concentrations of ENMs; (ii) the possible physicochemical transformations; (iii) cytotoxicity and genotoxicity effects specific to each ENM selected; and (iv) a discussion to identify potential gaps in the studies conducted and recommend areas where further investigation is warranted.
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Affiliation(s)
- Ashiq Ahamed
- Residues and Resource Reclamation Centre, Nanyang Environment and Water Research Institute, Nanyang Technological University, 1 Cleantech Loop, CleanTech One, Singapore 637141 Singapore; Laboratory of Molecular Science and Engineering, Johan Gadolin Process Chemistry Centre, Åbo Akademi University, FI-20500 Turku/Åbo, Finland
| | - Lili Liang
- Residues and Resource Reclamation Centre, Nanyang Environment and Water Research Institute, Nanyang Technological University, 1 Cleantech Loop, CleanTech One, Singapore 637141 Singapore; School of Civil and Environmental Engineering, Nanyang Technological University, Singapore 639798, Singapore; Interdisciplinary Graduate Program, Nanyang Technological University, 1 Cleantech Loop, CleanTech One, Singapore 637141 Singapore
| | - Ming Yang Lee
- Asian School of the Environment, Nanyang Technological University, Singapore 639798, Singapore
| | - Johan Bobacka
- Laboratory of Molecular Science and Engineering, Johan Gadolin Process Chemistry Centre, Åbo Akademi University, FI-20500 Turku/Åbo, Finland
| | - Grzegorz Lisak
- Residues and Resource Reclamation Centre, Nanyang Environment and Water Research Institute, Nanyang Technological University, 1 Cleantech Loop, CleanTech One, Singapore 637141 Singapore; School of Civil and Environmental Engineering, Nanyang Technological University, Singapore 639798, Singapore.
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28
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Britto RS, Nascimento JP, Serodre T, Santos AP, Soares AMVM, Furtado C, Ventura-Lima J, Monserrat JM, Freitas R. Oxidative stress in Ruditapes philippinarum after exposure to different graphene oxide concentrations in the presence and absence of sediment. Comp Biochem Physiol C Toxicol Pharmacol 2021; 240:108922. [PMID: 33164844 DOI: 10.1016/j.cbpc.2020.108922] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/17/2020] [Revised: 09/24/2020] [Accepted: 10/18/2020] [Indexed: 11/30/2022]
Abstract
The use of carbon nanomaterials (CNMs) is growing in different technological fields, raising concern on their potential impacts on the environment. Given its diverse nanothenological applications, graphene oxide (GO) stands out among the most widely used CNMs. Its hydrophilic capacity enables it to remain stable in suspension in water allowing that GO can be accessible for accumulation by aquatic organisms through ingestion, filtration and superficial dermal contact when present in aquatic ecosystems. Considering that the effects induced to aquatic organisms may depend on environment characteristics, such as temperature, salinity, water pH as well as the presence/absence of sediment, the present study aimed to investigate the influence of sediment on the impacts caused by GO exposure. For this, oxidative stress parameters were measured in the clam Ruditapes philippinarum, exposed to different GO concentrations (0.01, 0.1 and 1 mg/L), in the presence and absence of sediment, for a 28-days experimental period. The results here presented showed that regardless the presence or absence of sediment, most of the biochemical parameters considered were altered when clams were exposed to the highest concentration. The present findings further revealed that in the presence of sediment, clams mostly invested in non-enzymatic defenses (such as reduced glutathione, GSH), while animals exposed to GO in the absence of sediment favored their enzymatic antioxidant defense capacity (catalase, CAT and superoxide dismutase, SOD). This study highlights the relevance of environmental variations as key factors influencing organisms' responses to pollutants.
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Affiliation(s)
- Roberta Socoowski Britto
- Universidade Federal do Rio Grande - FURG, Rio Grande, RS, Brazil; Programa de Pós-graduação em Ciências Fisiológicas, Instituto de Ciências Biológicas (ICB), FURG, Brazil; Departamento de Biologia & CESAM, Universidade de Aveiro, Aveiro, Portugal.
| | | | - Tiago Serodre
- Centro de Desenvolvimento da Tecnologia Nuclear, CDTN, Minas Gerais, MG, Brazil
| | | | | | - Clascídia Furtado
- Centro de Desenvolvimento da Tecnologia Nuclear, CDTN, Minas Gerais, MG, Brazil
| | - Juliane Ventura-Lima
- Universidade Federal do Rio Grande - FURG, Rio Grande, RS, Brazil; Programa de Pós-graduação em Ciências Fisiológicas, Instituto de Ciências Biológicas (ICB), FURG, Brazil
| | - José M Monserrat
- Universidade Federal do Rio Grande - FURG, Rio Grande, RS, Brazil; Programa de Pós-graduação em Ciências Fisiológicas, Instituto de Ciências Biológicas (ICB), FURG, Brazil.
| | - Rosa Freitas
- Departamento de Biologia & CESAM, Universidade de Aveiro, Aveiro, Portugal.
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29
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Hasan MS, Geza M, Petersen JB, Gadhamshetty V. Graphene oxide transport and retention in biochar media. CHEMOSPHERE 2021; 264:128397. [PMID: 33032229 DOI: 10.1016/j.chemosphere.2020.128397] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/06/2020] [Revised: 09/11/2020] [Accepted: 09/20/2020] [Indexed: 06/11/2023]
Abstract
This study explores the use of biochar (BC), an inexpensive filtration media, for removing graphene oxide (GO) contaminants from the aquatic subsurface environments. Mass balance approaches and column dissection tests were used to analyze the retention behavior of GO in a series of model fixed-bed columns as a function of ionic strength (IS) and flowrate. The column based on the biochar media (BC) displayed 3.6-fold higher retention compared to the quartz sand (control). To overcome the challenges of unfavorable electrostatic interactions between GO and BC, we used a facile functionalization strategy to modify the BC surfaces with nanoscale zero-valent iron (BC-nZVI). The BC-nZVI (5:1, w/w) retained 2.6-fold higher amounts of GO compared with bare biochar. Furthermore, the performance of BC-nZVI increased with decreasing values of IS, attributed to the attachment of GO to nZVI where nZVI was partially dissolved by the presence of higher chloride ion at high IS. A better GO retention (86%) at higher IS was observed in BC where the GO was primarily retained due to the higher aggregation via straining.
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Affiliation(s)
- Md Sazadul Hasan
- Department of Civil and Environmental Engineering, South Dakota School of Mines and Technology, 501 East Saint Joseph Street, Rapid City, SD, 57701, United States
| | - Mengistu Geza
- Department of Civil and Environmental Engineering, South Dakota School of Mines and Technology, 501 East Saint Joseph Street, Rapid City, SD, 57701, United States.
| | - Jacob B Petersen
- Engineering and Mining Experiment Station, South Dakota School of Mines and Technology, 501 East Saint Joseph Street, Rapid City, SD, 57701, United States
| | - Venkataramana Gadhamshetty
- Department of Civil and Environmental Engineering, South Dakota School of Mines and Technology, 501 East Saint Joseph Street, Rapid City, SD, 57701, United States; 2-Dimensional Materials for Biofilm Engineering Science and Technology (2DBEST) Center, South Dakota School of Mines and Technology, 501 East Saint Joseph Street, Rapid City, SD, 57701, United States
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30
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Ho KC, Teoh YX, Teow YH, Mohammad AW. Life cycle assessment (LCA) of electrically-enhanced POME filtration: Environmental impacts of conductive-membrane formulation and process operating parameters. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2021; 277:111434. [PMID: 33045646 DOI: 10.1016/j.jenvman.2020.111434] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/10/2020] [Revised: 08/25/2020] [Accepted: 09/25/2020] [Indexed: 06/11/2023]
Abstract
This study assessed the environmental impacts of the formulation of graphene oxide (GO)/multi-walled carbon nanotubes (MWCNTs) conductive membranes and of the process operating parameters of electrically-enhanced palm oil mill effluent (POME) filtration. Two different analyses approaches were employed, cradle-to-gate approach for conductive membrane production and gate-to-gate approach for the POME filtration process. The parameters in conductive-membrane formulation (e.g. the weight ratio of carbon nanomaterials, and concentration of GO/MWCNT nanohybrids) and process operating parameters (e.g. electric field strength and electricity operating mode) were investigated. The findings herein are twofold. Firstly, for the fabrication of GO/MWCNT conductive membranes, the best weight ratio of GO:MWCNTs was found to be 1:9, given its superior membrane electrical conductivity with lower environmental impacts by 8.51% compared to pristine MWCNTs. The most suitable concentration of carbon nanomaterials was found to be 5 wt%, given its lowest impacts on resource depletion, human health, and ecosystems. Secondly, for the electrically-enhanced POME filtration, the optimum process operating parameters were found to be the application of an electric field of 300 V/cm in the continuous mode, given its lower environmental impacts (22.99%-89.30%) secondary to its requirement of the least electricity to produce permeate. The present study has established not only the optimized conditions in membrane formulation but also the operating parameters of electrically-enhanced filtration; such findings enable the use of cleaner production and sustainable approach to minimize fouling for industrial applications, whilst maintaining excellent efficiency.
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Affiliation(s)
- K C Ho
- Department of Chemical and Process Engineering, Faculty of Engineering and Built Environment, Universiti Kebangsaan Malaysia, 43600 Bangi, Selangor Darul Ehsan, Malaysia; Research Centre of Sustainable Process Technology (CESPRO), Faculty of Engineering and Built Environment, Universiti Kebangsaan Malaysia, 43600 Bangi, Selangor Darul Ehsan, Malaysia
| | - Y X Teoh
- Department of Chemical and Process Engineering, Faculty of Engineering and Built Environment, Universiti Kebangsaan Malaysia, 43600 Bangi, Selangor Darul Ehsan, Malaysia
| | - Y H Teow
- Department of Chemical and Process Engineering, Faculty of Engineering and Built Environment, Universiti Kebangsaan Malaysia, 43600 Bangi, Selangor Darul Ehsan, Malaysia; Research Centre of Sustainable Process Technology (CESPRO), Faculty of Engineering and Built Environment, Universiti Kebangsaan Malaysia, 43600 Bangi, Selangor Darul Ehsan, Malaysia.
| | - A W Mohammad
- Department of Chemical and Process Engineering, Faculty of Engineering and Built Environment, Universiti Kebangsaan Malaysia, 43600 Bangi, Selangor Darul Ehsan, Malaysia; Research Centre of Sustainable Process Technology (CESPRO), Faculty of Engineering and Built Environment, Universiti Kebangsaan Malaysia, 43600 Bangi, Selangor Darul Ehsan, Malaysia
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31
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Morozesk M, Franqui LS, Pinheiro FC, Nóbrega JA, Martinez DST, Fernandes MN. Effects of multiwalled carbon nanotubes co-exposure with cadmium on zebrafish cell line: Metal uptake and accumulation, oxidative stress, genotoxicity and cell cycle. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2020; 202:110892. [PMID: 32593098 DOI: 10.1016/j.ecoenv.2020.110892] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/17/2020] [Revised: 06/09/2020] [Accepted: 06/10/2020] [Indexed: 05/07/2023]
Abstract
Carbon nanotubes presence in the environment increases every year because of exponential industrial production around the world. In aquatic environments, carbon nanotubes can interact with other pollutants based on their adsorbent surface chemistry properties. Heavy metal ions represent one of the biggest concerns in water resources nowadays due to anthropogenic activities, in which cadmium (Cd) is one of the most harmful metal for aquatic organisms. This study investigated the influence of two co-exposure protocols differing by the order of interaction of oxidized multiwalled carbon nanotubes (ox-MWCNT) with Cd in zebrafish liver cell line (ZFL). The ox-MWCNT was characterized, Cd content in culture medium and uptake by cells were quantified using ICP-MS and, the reactive oxygen species (ROS), the biotransformation enzymes activity of phase I and II as well as the antioxidants defenses and oxidative damage were analyzed. The effects on the cell cycle were investigated by flow cytometry and DNA damage by comet assay. The exposure to ox-MWCNT alone decreased the activity of catalase, glutathione peroxidase, and glutathione S-transferase and altered the cell cycle with a reduction of cells in the G2/M phase. Cd exposure alone decreased the activity of catalase and glutathione S-transferase, increased ROS, metallothionein, and lipid peroxidation content and causes genotoxicity in the cells. Despite different incubation protocol, the co-exposure ox-MWCNT-Cd increased the Cd content in ZFL cells after 24 h exposure, increased ROS production and DNA damage without differences between them. Our results showed the modulation of ox-MWCNT on Cd effects and contributed to future co-exposure toxicity investigations and nanosafety regulations involving carbon nanomaterials and aquatic pollutants.
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Affiliation(s)
- Mariana Morozesk
- Postgraduate Program in Ecology and Natural Resources, Federal University of São Carlos (UFSCar), Av. Washington Luiz Km 235, 13565-905, São Carlos, São Paulo, Brazil; Physiological Science Department, Federal University of São Carlos (UFSCar), Washington Luiz Av., Km 235, 13565-905, São Carlos, São Paulo, Brazil
| | - Lidiane S Franqui
- Brazilian Nanotechnology National Laboratory, Brazilian Center for Research in Energy and Materials (CNPEM), Giuseppe Maximo Scolfaro St., 10.000, 13083-970, Campinas, São Paulo, Brazil; School of Technology, University of Campinas (UNICAMP), Paschoal Marmo St., 1888, Jd Nova Italia, 13484-332, Limeira, São Paulo, Brazil
| | - Fernanda C Pinheiro
- Chemical Department, Federal University of São Carlos (UFSCar), Washington Luiz Av., Km 235, 13565-905, São Carlos, São Paulo, Brazil
| | - Joaquim A Nóbrega
- Chemical Department, Federal University of São Carlos (UFSCar), Washington Luiz Av., Km 235, 13565-905, São Carlos, São Paulo, Brazil
| | - Diego S T Martinez
- Brazilian Nanotechnology National Laboratory, Brazilian Center for Research in Energy and Materials (CNPEM), Giuseppe Maximo Scolfaro St., 10.000, 13083-970, Campinas, São Paulo, Brazil; School of Technology, University of Campinas (UNICAMP), Paschoal Marmo St., 1888, Jd Nova Italia, 13484-332, Limeira, São Paulo, Brazil.
| | - Marisa N Fernandes
- Postgraduate Program in Ecology and Natural Resources, Federal University of São Carlos (UFSCar), Av. Washington Luiz Km 235, 13565-905, São Carlos, São Paulo, Brazil; Physiological Science Department, Federal University of São Carlos (UFSCar), Washington Luiz Av., Km 235, 13565-905, São Carlos, São Paulo, Brazil.
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Bernhard GH, Neale RE, Barnes PW, Neale PJ, Zepp RG, Wilson SR, Andrady AL, Bais AF, McKenzie RL, Aucamp PJ, Young PJ, Liley JB, Lucas RM, Yazar S, Rhodes LE, Byrne SN, Hollestein LM, Olsen CM, Young AR, Robson TM, Bornman JF, Jansen MAK, Robinson SA, Ballaré CL, Williamson CE, Rose KC, Banaszak AT, Häder DP, Hylander S, Wängberg SÅ, Austin AT, Hou WC, Paul ND, Madronich S, Sulzberger B, Solomon KR, Li H, Schikowski T, Longstreth J, Pandey KK, Heikkilä AM, White CC. Environmental effects of stratospheric ozone depletion, UV radiation and interactions with climate change: UNEP Environmental Effects Assessment Panel, update 2019. Photochem Photobiol Sci 2020; 19:542-584. [PMID: 32364555 PMCID: PMC7442302 DOI: 10.1039/d0pp90011g] [Citation(s) in RCA: 35] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2020] [Accepted: 03/23/2020] [Indexed: 12/24/2022]
Abstract
This assessment, by the United Nations Environment Programme (UNEP) Environmental Effects Assessment Panel (EEAP), one of three Panels informing the Parties to the Montreal Protocol, provides an update, since our previous extensive assessment (Photochem. Photobiol. Sci., 2019, 18, 595-828), of recent findings of current and projected interactive environmental effects of ultraviolet (UV) radiation, stratospheric ozone, and climate change. These effects include those on human health, air quality, terrestrial and aquatic ecosystems, biogeochemical cycles, and materials used in construction and other services. The present update evaluates further evidence of the consequences of human activity on climate change that are altering the exposure of organisms and ecosystems to UV radiation. This in turn reveals the interactive effects of many climate change factors with UV radiation that have implications for the atmosphere, feedbacks, contaminant fate and transport, organismal responses, and many outdoor materials including plastics, wood, and fabrics. The universal ratification of the Montreal Protocol, signed by 197 countries, has led to the regulation and phase-out of chemicals that deplete the stratospheric ozone layer. Although this treaty has had unprecedented success in protecting the ozone layer, and hence all life on Earth from damaging UV radiation, it is also making a substantial contribution to reducing climate warming because many of the chemicals under this treaty are greenhouse gases.
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Affiliation(s)
- G H Bernhard
- Biospherical Instruments Inc., San Diego, California, USA
| | - R E Neale
- Population Health Department, QIMR Berghofer Medical Research Institute, Brisbane, Australia
| | - P W Barnes
- Biological Sciences and Environment Program, Loyola University, New Orleans, USA
| | - P J Neale
- Smithsonian Environmental Research Center, Edgewater, Maryland, USA
| | - R G Zepp
- United States Environmental Protection Agency, Athens, Georgia, USA
| | - S R Wilson
- School of Earth, Atmospheric and Life Sciences, University of Wollongong, Wollongong, Australia
| | - A L Andrady
- Department of Chemical and Biomolecular Engineering, North Carolina State University, Raleigh, North Carolina, USA
| | - A F Bais
- Department of Physics, Aristotle University of Thessaloniki, Greece
| | - R L McKenzie
- National Institute of Water & Atmospheric Research, Lauder, Central Otago, New Zealand
| | - P J Aucamp
- Ptersa Environmental Consultants, Faerie Glen, South Africa
| | - P J Young
- Lancaster Environment Centre, Lancaster University, Lancaster, UK
| | - J B Liley
- National Institute of Water & Atmospheric Research, Lauder, Central Otago, New Zealand
| | - R M Lucas
- National Centre for Epidemiology and Population Health, Australian National University, Canberra, Australia
| | - S Yazar
- Garvan Institute of Medical Research, Sydney, Australia
| | - L E Rhodes
- Faculty of Biology Medicine and Health, University of Manchester, and Salford Royal Hospital, Manchester, UK
| | - S N Byrne
- School of Medical Sciences, University of Sydney, Sydney, Australia
| | - L M Hollestein
- Erasmus MC, University Medical Center Rotterdam, Manchester, The Netherlands
| | - C M Olsen
- Population Health Department, QIMR Berghofer Medical Research Institute, Brisbane, Australia
| | - A R Young
- St John's Institute of Dermatology, King's College, London, London, UK
| | - T M Robson
- Organismal & Evolutionary Biology, Viikki Plant Science Centre, University of Helsinki, Helsinki, Finland
| | - J F Bornman
- Food Futures Institute, Murdoch University, Perth, Australia.
| | - M A K Jansen
- School of Biological, Earth and Environmental Sciences, University College Cork, Cork, Ireland
| | - S A Robinson
- Centre for Sustainable Ecosystem Solutions, University of Wollongong, Wollongong, Australia
| | - C L Ballaré
- Faculty of Agronomy and IFEVA-CONICET, University of Buenos Aires, Buenos Aires, Argentina
| | - C E Williamson
- Department of Biology, Miami University, Oxford, Ohio, USA
| | - K C Rose
- Department of Biological Sciences, Rensselaer Polytechnic Institute, Troy, New York, USA
| | - A T Banaszak
- Unidad Académica de Sistemas Arrecifales, Universidad Nacional Autónoma de México, Puerto Morelos, Mexico
| | - D -P Häder
- Department of Biology, Friedrich-Alexander University, Möhrendorf, Germany
| | - S Hylander
- Centre for Ecology and Evolution in Microbial Model Systems, Linnaeus University, Kalmar, Sweden
| | - S -Å Wängberg
- Department of Marine Sciences, University of Gothenburg, Gothenburg, Sweden
| | - A T Austin
- Faculty of Agronomy and IFEVA-CONICET, University of Buenos Aires, Buenos Aires, Argentina
| | - W -C Hou
- Department of Environmental Engineering, National Cheng Kung University, Tainan City, Taiwan, China
| | - N D Paul
- Lancaster Environment Centre, Lancaster University, Lancaster, UK
| | - S Madronich
- National Center for Atmospheric Research, Boulder, Colorado, USA
| | - B Sulzberger
- Swiss Federal Institute of Aquatic Science and Technology, Dübendorf, Switzerland
| | - K R Solomon
- Centre for Toxicology, School of Environmental Sciences, University of Guelph, Guelph, Canada
| | - H Li
- Institute of Atmospheric Environment, Chinese Research Academy of Environmental Sciences, Beijing, China
| | - T Schikowski
- Research Group of Environmental Epidemiology, Leibniz Institute of Environmental Medicine, Düsseldorf, Germany
| | - J Longstreth
- Institute for Global Risk Research, Bethesda, Maryland, USA
| | - K K Pandey
- Institute of Wood Science and Technology, Bengaluru, India
| | - A M Heikkilä
- Finnish Meteorological Institute, Helsinki, Finland
| | - C C White
- , 5409 Mohican Rd, Bethesda, Maryland, USA
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Zepp R, Ruggiero E, Acrey B, Davis MJB, Han C, Hsieh HS, Vilsmeier K, Wohlleben W, Sahle-Demessie E. Fragmentation of polymer nanocomposites: modulation by dry and wet weathering, fractionation, and nanomaterial filler. ENVIRONMENTAL SCIENCE. NANO 2020; 7:1742-1758. [PMID: 33564464 PMCID: PMC7869489 DOI: 10.1039/c9en01360a] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/25/2023]
Abstract
In recent years, an increasing number of polymeric composites incorporating engineered nanomaterials (ENMs) have reached the market. Such nano-enabled products (NEPs) present enhanced performance through improved mechanical, thermal, UV protection, electrical, and gas barrier properties. However, little is known about how environmental weathering impacts ENM release, especially for high-tonnage NEPs like kaolin products, which have not been extensively examined by the scientific community. Here we study the simulated environmental weathering of different polymeric nanocomposites (epoxy, polyamide, polypropylene) filled with organic (multiwalled carbon nanotube, graphene, carbon black) and inorganic (WS2, SiO2, kaolin, Fe2O3, Cu-phthalocyanines) ENMs. Multiple techniques were employed by researchers at three laboratories to extensively evaluate the effect of weathering: ultraviolet-visible spectroscopy (UV-vis), Fourier transform infrared spectroscopy (FTIR), optical microscopy, contact angle measurements, gravimetric analysis, analytical ultracentrifugation (AUC), transmission electron microscopy (TEM), scanning electron microscopy (SEM) and Raman spectroscopy. This work aimed to elucidate the extent to which weathering protocol (i.e. wet vs. dry) and diverse filler characteristics modulate fragment release and polymer matrix degradation. In doing so, it expanded the established NanoRelease protocol, previously used for analyzing fragment emission, by evaluating two significant additions: (1) simulated weathering with rain events and (2) fractionation of sample leachate prior to analysis. Comparing different composite materials and protocols demonstrated that the polymer matrix is the most significant factor in NEP aging. Wet weathering is more realistic than dry weathering, but dry weathering seems to provide a more controlled release of material over wet. Wet weathering studies could be complicated by leaching, and the addition of a fractionation step can improve the quality of UV-vis measurements.
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Affiliation(s)
- Richard Zepp
- U.S. Environmental Protection Agency (EPA), Office of Research and Development (ORD), Center for Environmental Measurement and Modeling (CEMM), 960 College Station Rd., Athens, GA, USA
| | - Emmanuel Ruggiero
- BASF SE, Dept. Material Physics and Analytics, 67056, Ludwigshafen, Germany
| | - Brad Acrey
- U.S. Environmental Protection Agency (EPA), Office of Research and Development (ORD), Center for Environmental Measurement and Modeling (CEMM), 960 College Station Rd., Athens, GA, USA
- ORISE Research Fellow, Oak Ridge Institute for Science and Education (ORISE), Oak Ridge, TN 37830, USA
| | - Mary J B Davis
- U.S. Environmental Protection Agency (EPA), Office of Research and Development (ORD), Center for Environmental Measurement and Modeling (CEMM), 960 College Station Rd., Athens, GA, USA
- NRC Post-Doctoral Fellow, National Research Council (NRC), Washington DC, USA
| | - Changseok Han
- ORISE Research Fellow, Oak Ridge Institute for Science and Education (ORISE), Oak Ridge, TN 37830, USA
- EPA, ORD, Center for Environmental Solutions and Emergency Response (CESER), Cincinnati, OH, USA
- Department of Environmental Engineering, INHA University, Incheon, Korea
| | - Hsin-Se Hsieh
- U.S. Environmental Protection Agency (EPA), Office of Research and Development (ORD), Center for Environmental Measurement and Modeling (CEMM), 960 College Station Rd., Athens, GA, USA
- NRC Post-Doctoral Fellow, National Research Council (NRC), Washington DC, USA
| | - Klaus Vilsmeier
- BASF SE, Dept. Material Physics and Analytics, 67056, Ludwigshafen, Germany
| | - Wendel Wohlleben
- BASF SE, Dept. Material Physics and Analytics, 67056, Ludwigshafen, Germany
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