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Ortiz-Román MI, Casiano-Muñiz IM, Román-Velázquez FR. Ecotoxicological Effects of TiO 2 P25 Nanoparticles Aqueous Suspensions on Zebrafish ( Danio rerio) Eleutheroembryos. Nanomaterials (Basel) 2024; 14:373. [PMID: 38392747 PMCID: PMC10893039 DOI: 10.3390/nano14040373] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/07/2024] [Revised: 02/07/2024] [Accepted: 02/12/2024] [Indexed: 02/24/2024]
Abstract
Among nanoparticles (NPs), titanium dioxide is one of the most highly manufactured worldwide and widely used in multiple products for both industrial use and personal care products. This increases the probability of release into aquatic environments, potentially affecting these ecosystems. The present study aimed to evaluate TiO2 P25 NP toxicity in zebrafish embryos and eleutheroembryos by evaluating LC50, hatching rate, embryo development, and chemical analysis of the TiO2 concentration accumulated in eleutheroembryo tissues. Zebrafish embryos ~2 h post-fertilization (hpf) were exposed to 75, 100, 150, 200, and 250 mg/L TiO2 P25 NPs for 48 and 96 h. A total of 40-60 embryos were placed in each Petri dish for the respective treatments. Three replicates were used for each treatment group. Ti4+ concentrations were determined by inductively coupled plasma optical emission spectrometry (ICP-OES), and a conversion factor was used to calculate the TiO2 concentrations in the tissues. The highest calculated concentrations of TiO2 in zebrafish larvae were 1.0199 mg/L after 48 h and 1.2679 mg/L after 96 h of exposure. The toxicological results indicated that these NPs did not have a significant effect on the mortality and hatching of zebrafish embryos but did have an effect on their development. LC20 and LC30 were determined experimentally, and LC50 and LC80 were estimated using four different methods. Up to 11% of embryos also presented physical malformations. These effects can be detrimental to a species and affect ecosystems. Physical malformations were observed in all treatments, indicating teratogenic effects.
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Affiliation(s)
- Melissa I. Ortiz-Román
- Department of Chemistry, University of Puerto Rico, Mayaguez Campus, Mayaguez, PR 00681, USA;
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2
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Chen Q, Cao X, Yan B, Guo Z, Xi Z, Li J, Ci N, Yan M, Ci L. Ecotoxicological evaluation of functional carbon nanodots using zebrafish (Danio rerio) model at different developmental stages. Chemosphere 2023; 333:138970. [PMID: 37207902 DOI: 10.1016/j.chemosphere.2023.138970] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/13/2023] [Revised: 05/12/2023] [Accepted: 05/16/2023] [Indexed: 05/21/2023]
Abstract
Considering functional carbon nanodots (FCNs) are potential to be applied in many areas, their risk and toxicity to organisms are imperative to be evaluated. Thus, this study conducted acute toxicity test of zebrafish (Danio rerio) at embryonic and adult stage to estimate the toxicity of FCNs. Results show that the toxic effects of FCNs and nitrogen doped FCNs (N-FCNs) at their 10% lethal concentration (LC10) values on zebrafish are expressed in developmental retardation, cardiovascular toxicity, renal damage and hepatotoxicity. There are interactive relationships between these effects, but the main reason should be ascribed to the undesirable oxidative damage induced by high doses of materials, as well as the biodistribution of FCNs and N-FCNs in vivo. Even so, FCNs and N-FCNs can promote the antioxidant activity in zebrafish tissues to cope with the oxidative stress. FCNs and N-FCNs are not easy to cross the physical barriers in zebrafish embryos or larvae, and can be excreted from intestine by adult fish, which proves their biosecurity to zebrafish. In addition, because of the differences in physicochemical properties, especially nano-size and surface chemical property, FCNs show higher biosecurity to zebrafish than N-FCNs. The effects of FCNs and N-FCNs on hatching rates, mortality rates and developmental malformations are dose-dependent and time-dependent. The LC50 values of FCNs and N-FCNs on zebrafish embryo at 96 hpf are 1610 mg/L and 649 mg/L, respectively. According to the Acute Toxicity Rating Scale of the Fish and Wildlife Service, the toxicity grades of FCNs and N-FCNs are both defined as "practically nontoxic", and FCNs are "Relatively Harmless" to embryos because their LC50 values are above 1000 mg/L. Our results prove the biosecurity of FCNs-based materials for future practical application.
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Affiliation(s)
- Qiong Chen
- School of Chemistry and Chemical Engineering, University of Jinan, Jinan, 250022, PR China
| | - Xiufeng Cao
- School of Municipal & Environmental Engineering, Shandong Jianzhu University, Jinan, 250101, PR China.
| | - Biao Yan
- Research Center for Carbon Nanomaterials, School of Materials Science and Engineering, Shandong University, Jinan, 250061, PR China
| | - Zhijiang Guo
- State Key Laboratory of Silicon Materials and School of Materials Science and Engineering, Zhejiang University, Hangzhou, 310027, PR China
| | - Zhenjie Xi
- Research Center for Carbon Nanomaterials, School of Materials Science and Engineering, Shandong University, Jinan, 250061, PR China
| | - Jianwei Li
- Research Center for Carbon Nanomaterials, School of Materials Science and Engineering, Shandong University, Jinan, 250061, PR China
| | - Naixuan Ci
- School of Materials Science and Engineering, Harbin Institute of Technology (Shenzhen), Shenzhen, 518055, PR China
| | - Mei Yan
- School of Chemistry and Chemical Engineering, University of Jinan, Jinan, 250022, PR China.
| | - Lijie Ci
- School of Materials Science and Engineering, Harbin Institute of Technology (Shenzhen), Shenzhen, 518055, PR China; Research Center for Carbon Nanomaterials, School of Materials Science and Engineering, Shandong University, Jinan, 250061, PR China.
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3
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Warner RM, Sweeney LM, Hayhurst BA, Mayo ML. Toxicokinetic Modeling of Per- and Polyfluoroalkyl Substance Concentrations within Developing Zebrafish ( Danio rerio) Populations. Environ Sci Technol 2022; 56:13189-13199. [PMID: 36055240 PMCID: PMC9494737 DOI: 10.1021/acs.est.2c02942] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/25/2022] [Revised: 08/17/2022] [Accepted: 08/19/2022] [Indexed: 05/23/2023]
Abstract
Per- and polyfluoroalkyl substances (PFAS) are pervasive environmental contaminants, and their relative stability and high bioaccumulation potential create a challenging risk assessment problem. Zebrafish (Danio rerio) data, in principle, can be synthesized within a quantitative adverse outcome pathway (qAOP) framework to link molecular activity with individual or population level hazards. However, even as qAOP models are still in their infancy, there is a need to link internal dose and toxicity endpoints in a more rigorous way to further not only qAOP models but adverse outcome pathway frameworks in general. We address this problem by suggesting refinements to the current state of toxicokinetic modeling for the early development zebrafish exposed to PFAS up to 120 h post-fertilization. Our approach describes two key physiological transformation phenomena of the developing zebrafish: dynamic volume of an individual and dynamic hatching of a population. We then explore two different modeling strategies to describe the mass transfer, with one strategy relying on classical kinetic rates and the other incorporating mechanisms of membrane transport and adsorption/binding potential. Moving forward, we discuss the challenges of extending this model in both timeframe and chemical class, in conjunction with providing a conceptual framework for its integration with ongoing qAOP modeling efforts.
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Affiliation(s)
- Ross M. Warner
- Oak
Ridge Institute for Science and Education, Oak Ridge, Tennessee 37830, United States
- Environmental
Laboratory, US Army Engineer Research and
Development Center, Vicksburg, Mississippi 39180, United States
| | - Lisa M. Sweeney
- UES,
Inc., assigned to US Air Force Research Laboratory, Wright-Patterson
Air Force Base, Dayton, Ohio 45432, United
States
| | - Brett A. Hayhurst
- Environmental
Laboratory, US Army Engineer Research and
Development Center, Vicksburg, Mississippi 39180, United States
- Department
of Natural Resources and the Environment, Cornell University, Ithaca, New York 14853, United States
| | - Michael L. Mayo
- Environmental
Laboratory, US Army Engineer Research and
Development Center, Vicksburg, Mississippi 39180, United States
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Abstract
Many important discoveries have been made in the field of nanotechnology in the last 40 years. Since then, nanoparticles became nearly ubiquitous. With their spreading use, safety concerns have warranted extensive research of nanotoxicity. This paper offers information about the occurrence, transport, and behaviour of metallic nanoparticles in the aquatic environment. It further summarizes details about parameters that dictate the toxicity of nanoparticles and discusses the general/common mechanisms of their toxicity. This review also focuses on fish exposure to nanoparticles, including the possibility of trophic transport through the food chain. Information on some of the most frequently used metallic nanoparticles, such as silver, gold, and titanium dioxide, is further elaborated on.
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Brinkmann BW, Beijk WF, Vlieg RC, van Noort SJT, Mejia J, Colaux JL, Lucas S, Lamers G, Peijnenburg WJGM, Vijver MG. Adsorption of titanium dioxide nanoparticles onto zebrafish eggs affects colonizing microbiota. Aquat Toxicol 2021; 232:105744. [PMID: 33535134 DOI: 10.1016/j.aquatox.2021.105744] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/23/2020] [Revised: 12/27/2020] [Accepted: 01/07/2021] [Indexed: 06/12/2023]
Abstract
Teleost fish embryos are protected by two acellular membranes against particulate pollutants that are present in the water column. These membranes provide an effective barrier preventing particle uptake. In this study, we tested the hypothesis that the adsorption of antimicrobial titanium dioxide nanoparticles onto zebrafish eggs nevertheless harms the developing embryo by disturbing early microbial colonization. Zebrafish eggs were exposed during their first day of development to 2, 5 and 10 mg TiO2 L-1 (NM-105). Additionally, eggs were exposed to gold nanorods to assess the effectiveness of the eggs' membranes in preventing particle uptake, localizing these particles by way of two-photon microscopy. This confirmed that particles accumulate onto zebrafish eggs, without any detectable amounts of particles crossing the protective membranes. By way of particle-induced X-ray emission analysis, we inferred that the titanium dioxide particles could cover 25-45 % of the zebrafish egg surface, where the concentrations of sorbed titanium correlated positively with concentrations of potassium and correlated negatively with concentrations of silicon. A combination of imaging and culture-based microbial identification techniques revealed that the adsorbed particles exerted antimicrobial effects, but resulted in an overall increase of microbial abundance, without any change in heterotrophic microbial activity, as inferred based on carbon substrate utilization. This effect persisted upon hatching, since larvae from particle-exposed eggs still comprised higher microbial abundance than larvae that hatched from control eggs. Notably, pathogenic aeromonads tolerated the antimicrobial properties of the nanoparticles. Overall, our results show that the adsorption of suspended antimicrobial nanoparticles on aquatic eggs can have cascading effects across different life stages of oviparous animals. Our study furthermore suggests that aggregation dynamics may occur that could facilitate the dispersal of pathogenic bacteria through aquatic ecosystems.
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Affiliation(s)
- Bregje W Brinkmann
- Institute of Environmental Sciences (CML), Leiden University, Leiden, the Netherlands.
| | - Wouter F Beijk
- Institute of Environmental Sciences (CML), Leiden University, Leiden, the Netherlands
| | - Redmar C Vlieg
- Leiden Institute of Physics (LION), Leiden University, Leiden, the Netherlands
| | - S John T van Noort
- Leiden Institute of Physics (LION), Leiden University, Leiden, the Netherlands
| | - Jorge Mejia
- Namur Institute of Structured Matter (NISM), Synthesis, Irradiation and Analysis of Materials Platform (SIAM), University of Namur, Namur, Belgium
| | - Julien L Colaux
- Namur Institute of Structured Matter (NISM), Synthesis, Irradiation and Analysis of Materials Platform (SIAM), University of Namur, Namur, Belgium
| | - Stéphane Lucas
- Namur Institute of Structured Matter (NISM), Synthesis, Irradiation and Analysis of Materials Platform (SIAM), University of Namur, Namur, Belgium
| | - Gerda Lamers
- Institute of Biology (IBL), Leiden University, Leiden, the Netherlands
| | - Willie J G M Peijnenburg
- Institute of Environmental Sciences (CML), Leiden University, Leiden, the Netherlands; National Institute of Public Health and the Environment (RIVM), Center for Safety of Substances and Products, Bilthoven, the Netherlands
| | - Martina G Vijver
- Institute of Environmental Sciences (CML), Leiden University, Leiden, the Netherlands
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Wang T, Meng Z, Jiang H, Sun X, Jiang L. Co-existing TiO 2 nanoparticles influencing adsorption/ desorption of tetracycline on magnetically modified kaolin. Chemosphere 2021; 263:128106. [PMID: 33297101 DOI: 10.1016/j.chemosphere.2020.128106] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/21/2020] [Revised: 08/03/2020] [Accepted: 08/20/2020] [Indexed: 06/12/2023]
Abstract
Interaction of coexisting nanoparticles (NPs) and other pollutants may affect their behavior in the environment. In this study, we investigated the effects of TiO2 NPs on the adsorption and desorption of tetracycline (TC) by magnetized kaolin (MK). The interactions among TC, TiO2 NPs, and MK were then discussed through their morphology and characteristics by using scanning electron microscopy, X-ray energy dispersive spectrometry, Transmission electron microscope, X-ray diffraction, X-ray photoelectron spectroscopy, and Fourier transform infrared spectroscopy analyses. Results showed that TiO2 NPs increased TC adsorption on MK by 2.02% and increased TC desorption by 45.26%, TC increased the maximum adsorption of TiO2 on MK from 31.32 to 49.42 mg g-1 and decreased the amount of stable adsorption state TiO2 NPs on MK from 17.92 to 12.71 mg g-1. The characterization results demonstrated that TC molecules combined on MK though hydrogen bonding, π-π bonding and hydrophobic interaction. The adsorption of TiO2 NPs on MK can provide additional hydrogen-bonding sites for TC adsorption by increasing the number of hydroxyl groups. However, TC can decrease the electrostatic attraction sites for TiO2 NPs adsorption on the MK surface. The complexation of TC and TiO2 NPs weakened the electrical attraction between MK and TiO2 NPs and decreased the amount of stable adsorption state TiO2 NPs.
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Affiliation(s)
- Teng Wang
- College of Natural Resources and Environment, Northwest A&F University, Yangling, 712100, PR China
| | - Zhaofu Meng
- College of Natural Resources and Environment, Northwest A&F University, Yangling, 712100, PR China; Key Lab of Nutrition and Agro-environment in Northwest China, Ministry of Agriculture, Yangling, 712100, PR China.
| | - Hua Jiang
- School of Food Science and Engineering, Qilu University of Technology, Shandong Academy of Sciences, Jinan, Shandong, China
| | - Xiuxian Sun
- College of Natural Resources and Environment, Northwest A&F University, Yangling, 712100, PR China
| | - Lancui Jiang
- College of Natural Resources and Environment, Northwest A&F University, Yangling, 712100, PR China
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Boros BV, Ostafe V. Evaluation of Ecotoxicology Assessment Methods of Nanomaterials and Their Effects. Nanomaterials (Basel) 2020; 10:nano10040610. [PMID: 32224954 PMCID: PMC7221575 DOI: 10.3390/nano10040610] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/28/2020] [Revised: 03/19/2020] [Accepted: 03/20/2020] [Indexed: 12/12/2022]
Abstract
This paper describes the ecotoxicological effects of nanomaterials (NMs) as well as their testing methods. Standard ecotoxicity testing methods are applicable to nanomaterials as well but require some adaptation. We have taken into account methods that meet several conditions. They must be properly researched by a minimum of ten scientific articles where adaptation of the method to the NMs is also presented; use organisms suitable for simple and rapid ecotoxicity testing (SSRET); have a test period shorter than 30 days; require no special equipment; have low costs and have the possibility of optimization for high-throughput screening. From the standard assays described in guidelines developed by organizations such as Organization for Economic Cooperation and Development and United States Environmental Protection Agency, which meet the required conditions, we selected as methods adaptable for NMs, some methods based on algae, duckweed, amphipods, daphnids, chironomids, terrestrial plants, nematodes and earthworms. By analyzing the effects of NMs on a wide range of organisms, it has been observed that these effects can be of several categories, such as behavioral, morphological, cellular, molecular or genetic effects. By comparing the EC50 values of some NMs it has been observed that such values are available mainly for aquatic ecotoxicity, with the most sensitive test being the algae assay. The most toxic NMs overall were the silver NMs.
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Huang Z, Xu B, Huang X, Zhang Y, Yu M, Han X, Song L, Xia Y, Zhou Z, Wang X, Chen M, Lu C. Metabolomics reveals the role of acetyl-l-carnitine metabolism in γ-Fe 2O 3 NP-induced embryonic development toxicity via mitochondria damage. Nanotoxicology 2019; 13:204-220. [PMID: 30663479 DOI: 10.1080/17435390.2018.1537411] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
Iron oxides nanoparticles (FeOX NPs), including α-Fe2O3, γ-Fe2O3, and Fe3O4, are employed in many technological applications. However, very few studies have investigated the embryonic developmental toxicity of FeOX NPs. In this study, metabolomics analysis were used to uncover the potential mechanisms of FeOX NPs developmental toxicity on embryo-larval zebrafish and mice. Our results indicated that γ-Fe2O3 NP treatment could cause increased mortality, dropped hatching rate, etc., while α-Fe2O3 and Fe3O4 NPs showed no obvious effect. Through metabolomics analysis, a total of 42 metabolites were found to be significantly changed between the γ-Fe2O3 NP-treated group and the control group (p < 0.05). Pathway enrichment analysis indicated the impairment of mitochondria function. γ-Fe2O3 NP treatment caused abnormal mitochondrion structure and a decrease in mitochondrial membrane potential in zebrafish embryos. Meanwhile, ATP synthesis was decreased while oxidative stress levels were affected. It is noteworthy that acetyl-l-carnitine (ALCAR) (p = 6.79E - 04) and l-carnitine (p = 1.43E - 03) were identified with minimal p values, the relationship between the two counter-balance was regulated by acetyltransferase (crata). Subsequently, we performed rescue experiments with ALCAR on zebrafish embryos, and found that the mortality rates reduced and hatching rates raised significantly in the γ-Fe2O3 NP-treated group. Additionally, γ-Fe2O3 exposure could lead to increased absorbed fetus rate, decreased placental weight, lower expression of acetyltransferase (Crat), reduced ATP synthesis as well as increased oxidative stress (p < 0.05). Our findings demonstrated that γ-Fe2O3 NP might affect the mitochondrial membrane potential and ATP synthesis by affecting the metabolism of ALCAR, thereby stimulating oxidative stress, cell apoptosis, and causing embryonic development toxicity.
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Affiliation(s)
- Zhenyao Huang
- a State Key Laboratory of Reproductive Medicine, Institute of Toxicology , Nanjing Medical University , Nanjing , China.,b Key Laboratory of Modern Toxicology of Ministry of Education, School of Public Health , Nanjing Medical University , Nanjing , China
| | - Bo Xu
- a State Key Laboratory of Reproductive Medicine, Institute of Toxicology , Nanjing Medical University , Nanjing , China.,b Key Laboratory of Modern Toxicology of Ministry of Education, School of Public Health , Nanjing Medical University , Nanjing , China
| | - Xiaomin Huang
- a State Key Laboratory of Reproductive Medicine, Institute of Toxicology , Nanjing Medical University , Nanjing , China.,b Key Laboratory of Modern Toxicology of Ministry of Education, School of Public Health , Nanjing Medical University , Nanjing , China
| | - Yuqing Zhang
- a State Key Laboratory of Reproductive Medicine, Institute of Toxicology , Nanjing Medical University , Nanjing , China.,b Key Laboratory of Modern Toxicology of Ministry of Education, School of Public Health , Nanjing Medical University , Nanjing , China
| | - Mingming Yu
- a State Key Laboratory of Reproductive Medicine, Institute of Toxicology , Nanjing Medical University , Nanjing , China.,b Key Laboratory of Modern Toxicology of Ministry of Education, School of Public Health , Nanjing Medical University , Nanjing , China
| | - Xiumei Han
- a State Key Laboratory of Reproductive Medicine, Institute of Toxicology , Nanjing Medical University , Nanjing , China.,b Key Laboratory of Modern Toxicology of Ministry of Education, School of Public Health , Nanjing Medical University , Nanjing , China
| | - Ling Song
- a State Key Laboratory of Reproductive Medicine, Institute of Toxicology , Nanjing Medical University , Nanjing , China.,b Key Laboratory of Modern Toxicology of Ministry of Education, School of Public Health , Nanjing Medical University , Nanjing , China
| | - Yankai Xia
- a State Key Laboratory of Reproductive Medicine, Institute of Toxicology , Nanjing Medical University , Nanjing , China.,b Key Laboratory of Modern Toxicology of Ministry of Education, School of Public Health , Nanjing Medical University , Nanjing , China
| | - Zhu Zhou
- c Thomas J. Long School of Pharmacy and Health Sciences , University of the Pacific , Stockton , CA , USA
| | - Xinru Wang
- a State Key Laboratory of Reproductive Medicine, Institute of Toxicology , Nanjing Medical University , Nanjing , China.,b Key Laboratory of Modern Toxicology of Ministry of Education, School of Public Health , Nanjing Medical University , Nanjing , China
| | - Minjian Chen
- a State Key Laboratory of Reproductive Medicine, Institute of Toxicology , Nanjing Medical University , Nanjing , China.,b Key Laboratory of Modern Toxicology of Ministry of Education, School of Public Health , Nanjing Medical University , Nanjing , China
| | - Chuncheng Lu
- a State Key Laboratory of Reproductive Medicine, Institute of Toxicology , Nanjing Medical University , Nanjing , China.,b Key Laboratory of Modern Toxicology of Ministry of Education, School of Public Health , Nanjing Medical University , Nanjing , China
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Da Silva GH, Clemente Z, Khan LU, Coa F, Neto LLR, Carvalho HWP, Castro VL, Martinez DST, Monteiro RTR. Toxicity assessment of TiO 2-MWCNT nanohybrid material with enhanced photocatalytic activity on Danio rerio (Zebrafish) embryos. Ecotoxicol Environ Saf 2018; 165:136-143. [PMID: 30195205 DOI: 10.1016/j.ecoenv.2018.08.093] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/23/2018] [Revised: 08/22/2018] [Accepted: 08/24/2018] [Indexed: 05/24/2023]
Abstract
The increasing production and use of nanomaterials is causing serious concerns about their safety to human and environmental health. However, the applications of titanium dioxide nanoparticles (TiO2NP) and multiwalled carbon nanotubes (MWCNT) hybrids has grown considerably, due to their enhanced photocatalytic efficiency. To our knowledge, there are no reports available to the scientific community about their toxicity. In this work, we perform a toxicity assessment of TiO2NP and TiO2-MWCNT nanohybrid materials using Zebrafish embryos standardized 96 h early life stage assay, under different exposure conditions (with and without UV light exposure). After exposure the parameters assessed were acute toxicity, hatching rate, growth, yolk sac size, and sarcomere length. In addition, μ-probe X-ray fluorescence spectroscopy (µ-XRF) was employed to observe if nanoparticles were uptaken by zebrafish embryos and consequently accumulated in their organisms. Neither TiO2NP nor TiO2-MWCNT nanohybrids presented acute toxicity to the zebrafish embryos. Moreover, TiO2NP presents sublethal effects for total length (with and without UV light exposure) on the embryos. This work contributes to the understanding of the potential adverse effects of the emerging nanohybrid materials towards safe innovation approaches in nanotechnology.
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Affiliation(s)
- Gabriela H Da Silva
- Center of Nuclear Energy in Agriculture (CENA), University of São Paulo (USP), Piracicaba, São Paulo, Brazil; Brazilian Nanotechnology National Laboratory (LNNano), Brazilian Center for Research in Energy and Materials (CNPEM), Campinas, São Paulo, Brazil; Laboratory of Ecotoxicology and Biosafety, EMBRAPA Environment, Jaguariuna, São Paulo, Brazil.
| | - Zaira Clemente
- Brazilian Nanotechnology National Laboratory (LNNano), Brazilian Center for Research in Energy and Materials (CNPEM), Campinas, São Paulo, Brazil; Laboratory of Ecotoxicology and Biosafety, EMBRAPA Environment, Jaguariuna, São Paulo, Brazil
| | - Latif U Khan
- Brazilian Nanotechnology National Laboratory (LNNano), Brazilian Center for Research in Energy and Materials (CNPEM), Campinas, São Paulo, Brazil
| | - Francine Coa
- Center of Nuclear Energy in Agriculture (CENA), University of São Paulo (USP), Piracicaba, São Paulo, Brazil; Brazilian Nanotechnology National Laboratory (LNNano), Brazilian Center for Research in Energy and Materials (CNPEM), Campinas, São Paulo, Brazil
| | - Lais L R Neto
- Brazilian Nanotechnology National Laboratory (LNNano), Brazilian Center for Research in Energy and Materials (CNPEM), Campinas, São Paulo, Brazil; School of Technology, University of Campinas (UNICAMP), Limeira, São Paulo, Brazil
| | - Hudson W P Carvalho
- Center of Nuclear Energy in Agriculture (CENA), University of São Paulo (USP), Piracicaba, São Paulo, Brazil
| | - Vera L Castro
- Laboratory of Ecotoxicology and Biosafety, EMBRAPA Environment, Jaguariuna, São Paulo, Brazil
| | - Diego Stéfani T Martinez
- Center of Nuclear Energy in Agriculture (CENA), University of São Paulo (USP), Piracicaba, São Paulo, Brazil; Brazilian Nanotechnology National Laboratory (LNNano), Brazilian Center for Research in Energy and Materials (CNPEM), Campinas, São Paulo, Brazil; School of Technology, University of Campinas (UNICAMP), Limeira, São Paulo, Brazil.
| | - Regina T R Monteiro
- Center of Nuclear Energy in Agriculture (CENA), University of São Paulo (USP), Piracicaba, São Paulo, Brazil.
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Li J, Chen Z, Huang R, Miao Z, Cai L, Du Q. Toxicity assessment and histopathological analysis of nano-ZnO against marine fish (Mugilogobius chulae) embryos. J Environ Sci (China) 2018; 73:78-88. [PMID: 30290874 DOI: 10.1016/j.jes.2018.01.015] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2017] [Revised: 01/16/2018] [Accepted: 01/16/2018] [Indexed: 06/08/2023]
Abstract
The toxicity of nano-materials has received increasing attention in recent years. Nevertheless, relatively few studies have focused on their oceanic distributions and toxicities. In this study, we assessed nano-ZnO toxicity in marine organisms using the yellowstriped goby (Mugilogobius chulae). The relative differences in nano-ZnO dissolution and dispersal in seawater and fresh water were also investigated. The effects of nano-ZnO on embryonic development, deformity, hatching, mortality, and histopathology were analyzed. In addition, the effects of the Zn2+ concentration on M. chulae hatching and mortality were compared. The results showed that nano-ZnO had higher solubility in seawater than in fresh water. Nano-ZnO significantly inhibited hatching. By the fifth day of exposure, the LC50 of nano-ZnO was 45.40mg/L, and the mortality rate spiked. Hatching inhibition and lethality were dose-dependent over a range of 1-25mg/L nano-ZnO. Zn2+ inhibited hatching and increased lethality, but its effects were weaker than those of nano-ZnO at the same concentrations. Nano-ZnO also induced spinal bending, oedema, hypoplasia, and other deformities in M. chulae embryos and larvae. Histopathology revealed vacuolar degeneration, hepatocyte and enterocyte enlargement, and morphological abnormalities of the vertebrae. Therefore, nano-ZnO caused malformations in M. chulae by affecting embryonic growth and development. We conclude that nano-ZnO toxicity in seawater was significantly positively correlated with the associated Zn2+ concentration and sedimentary behaviour. The toxicity of nano-ZnO was cumulative and showed a critical point, beyond which embryonic and developmental toxicity in marine fish was observed.
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Affiliation(s)
- Jianjun Li
- Guangdong Laboratory Animals Monitoring Institute, Key Laboratory of Guangdong Laboratory Animals, 11 Fengxin Road, Science City, Guangzhou 510663, China.
| | - Zhanming Chen
- Guangdong University of Technology, No.100 Waihuan Xi Road, Guangzhou Higher Education Mega Center, Panyu District, Guangzhou 510006, China
| | - Ren Huang
- Guangdong Laboratory Animals Monitoring Institute, Key Laboratory of Guangdong Laboratory Animals, 11 Fengxin Road, Science City, Guangzhou 510663, China
| | - Zongyu Miao
- Guangdong Laboratory Animals Monitoring Institute, Key Laboratory of Guangdong Laboratory Animals, 11 Fengxin Road, Science City, Guangzhou 510663, China
| | - Lei Cai
- Guangdong Laboratory Animals Monitoring Institute, Key Laboratory of Guangdong Laboratory Animals, 11 Fengxin Road, Science City, Guangzhou 510663, China
| | - Qingping Du
- Guangdong University of Technology, No.100 Waihuan Xi Road, Guangzhou Higher Education Mega Center, Panyu District, Guangzhou 510006, China.
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11
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Chao SJ, Huang CP, Chen PC, Chang SH, Huang C. Uptake of BDE-209 on zebrafish embryos as affected by SiO 2 nanoparticles. Chemosphere 2018; 205:570-578. [PMID: 29709808 DOI: 10.1016/j.chemosphere.2018.04.075] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/29/2018] [Revised: 04/08/2018] [Accepted: 04/13/2018] [Indexed: 06/08/2023]
Abstract
It was hypothesized that interactions between emerging contaminants such as decabromodiphenyl ether (BDE-209) and nanoparticles (NPs) such as nano-SiO2 (nSiO2), can affect contaminant transport in the aquatic environment and its ecotoxicity. This study assessed the influence of nSiO2 on the uptake of BDE-209 by zebrafish embryo. The distribution of BDE-209 and nSiO2 on the external chorion and the internal embryo mass (i.e., dechorionated embryo) was measured. For single exposure of nSiO2 to zebrafish embryo, separately, results showed that nSiO2 accumulation on the chorion surface was higher than that in the dechorionated embryo. The nSiO2 accumulation on the chorion surface was 129-200 mg-nSiO2/g-chorion at 48 h post fertilization, hpf, of exposure time, whereas the equilibrium adsorption of nSiO2 on the dechorionated embryo was ca. 0.42-0.54 mg-nSiO2/g-embryo at 6 hpf. Results showed that the formation of nSiO2-BDE-209 associates promoted both extracellular and intracellular uptake of BDE-209 by zebrafish embryo, thereby increasing the bioconcentration of BDE-209 on the chorion surface and in embryo. The results also revealed that the accumulation of BDE-209 on the chorion was remarkably greater than that on the dechorionated embryo at 48 hpf. The uptake of BDE-209 was 17.2 ± 0.45 mg/g-chorion (or 86 ng-BDE-209/chorionated embryo) and 0.37 ± 0.01 mg/g-embryo (or 18.6 ng-BDE-209/dechorionated embryo), respectively, when co-exposure of zebrafish embryos to BDE-209 and nSiO2. Results from the SEM and EDS analysis revealed that nSiO2 already passed through the chorion and adhered to the embryo surface/mass.
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Affiliation(s)
- Shu-Ju Chao
- Institute of Environmental Engineering, National Chiao Tung University, Hsinchu, 300, Taiwan
| | - C P Huang
- Institute of Environmental Engineering, National Chiao Tung University, Hsinchu, 300, Taiwan; Department of Civil and Environmental Engineering, University of Delaware, Newark, De 19716, USA
| | - Pei-Chung Chen
- Institute of Environmental Engineering, National Chiao Tung University, Hsinchu, 300, Taiwan
| | - Shih-Hsien Chang
- Department of Public Health, Chung-Shan Medical University, Taichung, 402, Taiwan
| | - Chihpin Huang
- Institute of Environmental Engineering, National Chiao Tung University, Hsinchu, 300, Taiwan.
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12
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Yang Y, Chen B, Hower J, Schindler M, Winkler C, Brandt J, Di Giulio R, Ge J, Liu M, Fu Y, Zhang L, Chen Y, Priya S, Hochella MF. Discovery and ramifications of incidental Magnéli phase generation and release from industrial coal-burning. Nat Commun 2017; 8:194. [PMID: 28790379 PMCID: PMC5548795 DOI: 10.1038/s41467-017-00276-2] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2016] [Accepted: 06/19/2017] [Indexed: 02/04/2023] Open
Abstract
Coal, as one of the most economic and abundant energy sources, remains the leading fuel for producing electricity worldwide. Yet, burning coal produces more global warming CO2 relative to all other fossil fuels, and it is a major contributor to atmospheric particulate matter known to have a deleterious respiratory and cardiovascular impact in humans, especially in China and India. Here we have discovered that burning coal also produces large quantities of otherwise rare Magnéli phases (Ti x O2x-1 with 4 ≤ x ≤ 9) from TiO2 minerals naturally present in coal. This provides a new tracer for tracking solid-state emissions worldwide from industrial coal-burning. In its first toxicity testing, we have also shown that nanoscale Magnéli phases have potential toxicity pathways that are not photoactive like TiO2 phases, but instead seem to be biologically active without photostimulation. In the future, these phases should be thoroughly tested for their toxicity in the human lung.Solid-state emissions from coal burning remain an environmental concern. Here, the authors have found that TiO2 minerals present in coal are converted into titanium suboxides during burning, and initial biotoxicity screening suggests that further testing is needed to look into human lung consequences.
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Affiliation(s)
- Yi Yang
- Key Laboratory of Geographic Information Science of the Ministry of Education, School of Geographic Sciences, East China Normal University, 500 Dongchuan Road, Shanghai, 200241, China.,Department of Geosciences, Virginia Tech, Blacksburg, VA, 24061, USA.,State Key Laboratory of Estuarine and Coastal Research, East China Normal University, 3663 North Zhongshan Road, Shanghai, 200062, China
| | - Bo Chen
- Center for Energy Harvesting Materials and Systems, 310 Durham Hall, Virginia Tech, Blacksburg, VA, 24061, USA
| | - James Hower
- Center for Applied Energy Research, 2540 Research Park Drive, Lexington, KY, 40511, USA
| | - Michael Schindler
- Department of Earth Sciences, Laurentian University, Sudbury, ON, Canada, P3E 2C6
| | - Christopher Winkler
- Nanoscale Characterization and Fabrication Laboratory, Institute for Critical Technology and Applied Science, Virginia Tech, Blacksburg, VA, 24061, USA
| | - Jessica Brandt
- Nicholas School of the Environment, Levine Science Research Center, Duke University, Durham, NC, 27708-0328, USA
| | - Richard Di Giulio
- Nicholas School of the Environment, Levine Science Research Center, Duke University, Durham, NC, 27708-0328, USA
| | - Jianping Ge
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes, Department of Chemistry, East China Normal University, 3663 North Zhongshan Road, Shanghai, 200062, China
| | - Min Liu
- Key Laboratory of Geographic Information Science of the Ministry of Education, School of Geographic Sciences, East China Normal University, 500 Dongchuan Road, Shanghai, 200241, China
| | - Yuhao Fu
- Key Laboratory of Mobile Materials MOE, State Key Laboratory of Superhard Materials, and Department of Materials Science, Jilin University, Changchun, 130012, China
| | - Lijun Zhang
- Key Laboratory of Mobile Materials MOE, State Key Laboratory of Superhard Materials, and Department of Materials Science, Jilin University, Changchun, 130012, China
| | - Yuru Chen
- Key Laboratory of Geographic Information Science of the Ministry of Education, School of Geographic Sciences, East China Normal University, 500 Dongchuan Road, Shanghai, 200241, China
| | - Shashank Priya
- Center for Energy Harvesting Materials and Systems, 310 Durham Hall, Virginia Tech, Blacksburg, VA, 24061, USA
| | - Michael F Hochella
- Department of Geosciences, Virginia Tech, Blacksburg, VA, 24061, USA. .,Geosciences Group, Energy and Environment Directorate, Pacific Northwest National Laboratory, Richland, WA, 99352, USA.
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13
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Chao SJ, Huang CP, Chen PC, Huang C. Teratogenic responses of zebrafish embryos to decabromodiphenyl ether (BDE-209) in the presence of nano-SiO 2 particles. Chemosphere 2017; 178:449-457. [PMID: 28342993 DOI: 10.1016/j.chemosphere.2017.03.075] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/12/2017] [Revised: 03/16/2017] [Accepted: 03/17/2017] [Indexed: 06/06/2023]
Abstract
This study investigated the influence of nano-SiO2 particles (nSiO2) on the teratogenic responses of zebrafish embryos to decabromodiphenyl ether (BDE-209). Zebrafish embryos were exposed to BDE-209 in the absence and presence of nSiO2 for 96 h post fertilization (hpf). Results showed that formation of nSiO2-BDE-209 associates promoted both extracellular and intracellular uptake of BDE-209 by zebrafish embryos, thereby increasing the bioconcentration of BDE-209 on the chorion surface and the embryos. Results also showed embryos delay hatching temporarily when co-exposure to BDE-209 and nSiO2 at 60 hpf. Furthermore, there was heartbeat decline (28.3 beats/10s) and increase in irregular heartbeat (45.8%) in zebrafish larvae at 96 hpf, compared to the sole exposure to BDE-209 (32.7 beats/10s and 0%). Malformation in terms of spinal curvature (SC), pericardial edema (PE) and yolk sac edema (YSE) were observed on zebrafish larvae at 33.9, 23.4, and 18%, respectively. Overall, abnormal development of zebrafish was apparent when co-exposure to BDE-209 and nSiO2. All relevant evidence considered, nSiO2 could facilitate the transport of BDE-209 towards zebrafish embryos and negatively impact the development of zebrafish.
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Affiliation(s)
- Shu-Ju Chao
- Institute of Environmental Engineering, National Chiao Tung University, Hsinchu, 300, Taiwan
| | - Chin Pao Huang
- Institute of Environmental Engineering, National Chiao Tung University, Hsinchu, 300, Taiwan; Department of Civil and Environmental Engineering, University of Delaware, Newark, DE 19716, USA
| | - Pei-Chung Chen
- Institute of Environmental Engineering, National Chiao Tung University, Hsinchu, 300, Taiwan
| | - Chihpin Huang
- Institute of Environmental Engineering, National Chiao Tung University, Hsinchu, 300, Taiwan.
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