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Do T, Vaculciakova S, Kluska K, Peris-Díaz MD, Priborsky J, Guran R, Krężel A, Adam V, Zitka O. Antioxidant-related enzymes and peptides as biomarkers of metallic nanoparticles (eco)toxicity in the aquatic environment. CHEMOSPHERE 2024; 364:142988. [PMID: 39103097 DOI: 10.1016/j.chemosphere.2024.142988] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/03/2024] [Revised: 07/20/2024] [Accepted: 07/30/2024] [Indexed: 08/07/2024]
Abstract
Increased awareness of the impact of human activities on the environment has emerged in recent decades. One significant global environmental and human health issue is the development of materials that could potentially have negative effects. These materials can accumulate in the environment, infiltrate organisms, and move up the food chain, causing toxic effects at various levels. Therefore, it is crucial to assess materials comprising nano-scale particles due to the rapid expansion of nanotechnology. The aquatic environment, particularly vulnerable to waste pollution, demands attention. This review provides an overview of the behavior and fate of metallic nanoparticles (NPs) in the aquatic environment. It focuses on recent studies investigating the toxicity of different metallic NPs on aquatic organisms, with a specific emphasis on thiol-biomarkers of oxidative stress such as glutathione, thiol- and related-enzymes, and metallothionein. Additionally, the selection of suitable measurement methods for monitoring thiol-biomarkers in NPs' ecotoxicity assessments is discussed. The review also describes the analytical techniques employed for determining levels of oxidative stress biomarkers.
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Affiliation(s)
- Tomas Do
- Department of Chemistry and Biochemistry, Faculty of AgriSciences, Mendel University in Brno, Zemedelska 1, 613 00, Brno, Czech Republic
| | - Silvia Vaculciakova
- Department of Chemistry and Biochemistry, Faculty of AgriSciences, Mendel University in Brno, Zemedelska 1, 613 00, Brno, Czech Republic
| | - Katarzyna Kluska
- Department of Chemical Biology, Faculty of Biotechnology, University of Wrocław, Joliot-Curie 14a, 50-383, Wrocław, Poland
| | - Manuel David Peris-Díaz
- Department of Chemical Biology, Faculty of Biotechnology, University of Wrocław, Joliot-Curie 14a, 50-383, Wrocław, Poland
| | - Jan Priborsky
- Department of Chemistry and Biochemistry, Faculty of AgriSciences, Mendel University in Brno, Zemedelska 1, 613 00, Brno, Czech Republic
| | - Roman Guran
- Department of Chemistry and Biochemistry, Faculty of AgriSciences, Mendel University in Brno, Zemedelska 1, 613 00, Brno, Czech Republic
| | - Artur Krężel
- Department of Chemical Biology, Faculty of Biotechnology, University of Wrocław, Joliot-Curie 14a, 50-383, Wrocław, Poland
| | - Vojtech Adam
- Department of Chemistry and Biochemistry, Faculty of AgriSciences, Mendel University in Brno, Zemedelska 1, 613 00, Brno, Czech Republic
| | - Ondrej Zitka
- Department of Chemistry and Biochemistry, Faculty of AgriSciences, Mendel University in Brno, Zemedelska 1, 613 00, Brno, Czech Republic.
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Ellison RS, Huling SG. TiO 2 nanoparticle photoactivation and oxidation reactions in freshwater and marine systems: The role of radical scavengers. CHEMOSPHERE 2024; 361:142549. [PMID: 38851501 DOI: 10.1016/j.chemosphere.2024.142549] [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: 03/20/2024] [Revised: 06/04/2024] [Accepted: 06/05/2024] [Indexed: 06/10/2024]
Abstract
Titanium dioxide nanoparticles (TiO2-NP) present in wastewater effluent are discharged into freshwater and saltwater (i.e., marine) systems. TiO2-NP can be solar-driven photoactivated by ultraviolet (UV)-light producing reactive oxygen species including hydroxyl radicals (·OH). ·OH are non-selective and react with a broad range of species in water. In other studies, photoactivation of TiO2-NP has been correlated with oxidative stress and ecotoxicological impacts on plant and animal biota. This study examined the photoactivation of TiO2-NP in freshwater and saltwater systems, and contrasted the oxidation potential in both systems using methylene blue (MB) as a reaction probe. Maximum MB loss (51.9%, n = 4; 95% confidence interval 49.4-54.5) was measured in salt-free, deionized water where ·OH scavenging was negligible; minimum MB loss (1%) was measured in saltwater due to significant ·OH scavenging, indicating the inverse correlation between MB loss and radical scavenging. A kinetic analysis of scavenging by seawater constituents indicated Cl- had the greatest impact due to high concentration and high reaction rate constant. Significant loss of MB occurred in the presence of Br- relative to other less aggressive scavengers present in seawater (i.e., HCO3-, HSO4-). This result is consistent with the formation of Bromate, a strong oxidant that subsequently reacts with MB. In freshwater samples collected from different water bodies in Oklahoma (n = 12), the average MB loss was 13.4%. Greater MB loss in freshwater systems relative to marine systems was due to lower ·OH scavenging by various water quality parameters. Overall, TiO2-NP photoactivation in freshwater systems has the potential to cause greater oxidative stress and ecotoxicological impacts than in marine systems where ·OH scavenging is a dominant reaction.
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Affiliation(s)
- Rayna S Ellison
- Oak Ridge Associated Universities, Robert S. Kerr Environmental Research Center, 919 Kerr Lab Dr., Ada, OK, 74820, USA.
| | - Scott G Huling
- U.S. Environmental Protection Agency, Office of Research and Development, National Risk Management Research Laboratory, Robert S. Kerr Environmental Research Center, 919 Kerr Lab Dr., Ada, OK, 74820, USA.
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Kausar A. Nanodendrite—promising nanoreinforcement for emerging next-generation nanocomposite. POLYM-PLAST TECH MAT 2022. [DOI: 10.1080/25740881.2022.2069040] [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]
Affiliation(s)
- Ayesha Kausar
- Nanosciences Division, National Center for Physics, Quaid-i-Azam University Campus, Islamabad, Pakistan
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Malatjie TS, Botha TL, Tekere M, Kuvarega AT, Nkambule TTI, Mamba BB, Msagati TAM. Toxicity assessment of TiO 2-conjugated Carbon-based nanohybrid material on a freshwater bioindicator cladoceran, Daphnia magna. AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2022; 247:106176. [PMID: 35487150 DOI: 10.1016/j.aquatox.2022.106176] [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: 01/18/2022] [Revised: 03/28/2022] [Accepted: 04/17/2022] [Indexed: 06/14/2023]
Abstract
The application of nanocomposite materials fabricated from titanium dioxide nanoparticles (TiO2 NPs) and different carbon (C) allotropes have gained popularity in water treatment applications due to their synergistic properties. Studies to date have focused on simple forms of nanomaterials (NMs), however, with the technology development, there is a dramatic increase in production and application of these complex NMs which could result in toxicological impacts on organisms when released into aquatic environments. This raises serious concerns about their safety and the need to ascertain their potential adverse effects on aquatic organisms. While conjugated TiO2 NPs/carbon-based nanohybrids (TiO2/C-NHs) may exhibit enhanced photocatalytic activity, there is no research in the scientific community regarding their toxicological effects on D. magna, which are indicators of freshwater pollution. In this study, two under-represented TiO2/C-NHs (i.e., TiO2- conjugated carbon nanofiber (CNF), and TiO2-conjugated multi-walled carbon nanotube (CNT)) were investigated for their toxic effects on D. magna, through a series of acute toxicity tests with a set of sublethal biochemical biomarkers of oxidative stress. The lethal toxicity and oxidative stress formation of TiO2/C-NHs over 48 h revealed a concentration-dependant increase in D. magna mortality. The primary mechanism identified was the generation of ROS, which was in line with toxicity results. Light microscopy and CytoViva® images visualized D. magna interaction with the NPs, which accumulated and appeared as dark materials in the lines of the gut tract. The collective results indicate that TiO2/C-NHs have the potential to cause an effect on freshwater organisms when released into the environment. However, the relevance of TiO2/C-NHs effects needs further chronic toxicity studies since they show promise to be used in nano-bioremediation materials to treat wastewaters.
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Affiliation(s)
- Terrence S Malatjie
- Institute for Nanotechnology and Water Sustainability, College of Science, Engineering and Technology, University of South Africa, Florida Science Campus, P/Bag X6, Roodepoort 1709, South Africa.
| | - Tarryn L Botha
- Institute for Nanotechnology and Water Sustainability, College of Science, Engineering and Technology, University of South Africa, Florida Science Campus, P/Bag X6, Roodepoort 1709, South Africa
| | - Memory Tekere
- Department of Environmental Sciences, College of Agriculture & Environmental Sciences, University of South Africa, Florida Science Campus, P/Bag X6, Roodepoort 1709, South Africa
| | - Alex T Kuvarega
- Institute for Nanotechnology and Water Sustainability, College of Science, Engineering and Technology, University of South Africa, Florida Science Campus, P/Bag X6, Roodepoort 1709, South Africa
| | - Thabo T I Nkambule
- Institute for Nanotechnology and Water Sustainability, College of Science, Engineering and Technology, University of South Africa, Florida Science Campus, P/Bag X6, Roodepoort 1709, South Africa
| | - Bhekie B Mamba
- Institute for Nanotechnology and Water Sustainability, College of Science, Engineering and Technology, University of South Africa, Florida Science Campus, P/Bag X6, Roodepoort 1709, South Africa
| | - Titus A M Msagati
- Institute for Nanotechnology and Water Sustainability, College of Science, Engineering and Technology, University of South Africa, Florida Science Campus, P/Bag X6, Roodepoort 1709, South Africa.
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Sayadi MH, Pavlaki MD, Loureiro S, Martins R, Tyler CR, Mansouri B, Kharkan J, Shekari H. Co-exposure of zinc oxide nanoparticles and multi-layer graphenes in blackfish (Capoeta fusca): evaluation of lethal, behavioural, and histopathological effects. ECOTOXICOLOGY (LONDON, ENGLAND) 2022; 31:425-439. [PMID: 35089487 DOI: 10.1007/s10646-022-02521-x] [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] [Accepted: 01/17/2022] [Indexed: 05/24/2023]
Abstract
Zinc oxide nanoparticles (ZnO NPs) and multi-layer graphenes (MLGs) are widely used, and due to the lack of appropriate wastewater treatment may end up in the aquatic environment, with unknown consequences to biota. The main purpose of this study was to assess the acute toxicity, histopathological and behavioural changes caused by the exposure of ZnO NPs and MLGs, alone and combined, to the blackfish Capoeta fusca. The estimated mean 96 h-LC50 for ZnO NPs was 4.9 mg L-1 and 68.4 mg L-1 for MLGs. In combination, MLGs increased the acute toxicity of the ZnO NPs. The effects of the different NPs on the gills included hyperplasia, aneurisms, and fusion of the lamellae. In the intestine, exposure to the NPs resulted in an increase in the number and swelling of goblet cells and tissue degeneration. Loss of balance, restlessness, erratic and abnormal swimming patterns were the most common behavioural changes seen in the ZnO NPs' exposed blackfish. In contrast with the acute toxicity findings, MLGs decreased the histopathological and behavioural effects of the ZnO NPs on both gills and intestinal tissues as well as fish behaviour. Our experimental results illustrated insights into the simultaneous exposure assessment of metal-based NPs and carbon nanomaterials, although further research is needed on the interactions exposure of these substances to interpreting the toxicological effects of metal-based nanomaterials seen in exposed organisms.
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Affiliation(s)
- Mohammad Hossein Sayadi
- Department of Environmental Sciences, School of Natural Resources and Environment, University of Birjand, Birjand, Iran
- Department of Environmental Engineering, Faculty of Agriculture and Natural Resources, Ardakan University, Ardakan, Iran
| | - Maria D Pavlaki
- CESAM - Centre for Environmental and Marine Studies, Department of Biology, University of Aveiro, 3810-193, Aveiro, Portugal
| | - Susana Loureiro
- CESAM - Centre for Environmental and Marine Studies, Department of Biology, University of Aveiro, 3810-193, Aveiro, Portugal
| | - Roberto Martins
- CESAM - Centre for Environmental and Marine Studies, Department of Biology, University of Aveiro, 3810-193, Aveiro, Portugal
| | - Charles R Tyler
- Biosciences, College of Life and Environmental Sciences, University of Exeter, Geoffrey Pope, Stocker Road, Exeter, Devon, EX4 4QD, UK
| | - Borhan Mansouri
- Substance Abuse Prevention Research Center, Health Institute, Kermanshah University of Medical Sciences, Kermanshah, Iran.
| | - Javad Kharkan
- Department of Environmental Sciences, School of Natural Resources and Environment, University of Birjand, Birjand, Iran
| | - Hossein Shekari
- Department of Environmental Sciences, School of Natural Resources and Environment, University of Birjand, Birjand, Iran
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Malatjie TS, Botha TL, Kuvarega AT, Madima N, de Bruyn K, Tekere M, Nkambule TTI, Mamba BB, Msagati TAM. Toxicity evaluation of TiO 2/MWCNT-CNF hybrid nanocomposites with enhanced photocatalytic activity toward freshwater microalgae: Pseudokirchneriella subcapitata. CHEMOSPHERE 2022; 291:132891. [PMID: 34800499 DOI: 10.1016/j.chemosphere.2021.132891] [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: 09/11/2021] [Revised: 11/09/2021] [Accepted: 11/11/2021] [Indexed: 06/13/2023]
Abstract
A wide range of semiconductor-assisted photocatalytic nanomaterials (NMs) are currently being considered and investigated as potential photocatalysts in water treatment. The applications of nanocomposites composed of nano-structured titania (nano-TiO2) and multi-walled carbon nanotubes (MWCNTs) nanocomposites is growing markedly on account of enhanced photocatalytic efficiency. However, concurrent with the increasing production and application comes a serious concern of these emerging nanosystems about their potential risks in aquatic systems, and thereby potentially threatening aquatic organisms via toxic mechanisms that are, at present, poorly understood. In the present study, the lethal toxic effect and oxidative stress induced by TiO2/MWCNT-CNF nanocomposite in freshwater Pseudokirchneriella subcapitata were assessed. The growth inhibition and sublethal oxidative stress produced by the nanocomposites were evaluated on green microalgae P. subcapitata after 3 days of exposure at 24 h intervals. Moreover, the nanocomposites were physicochemically characterized using a combination of analytical techniques (XRD, SEM/EDS, HRTEM, TGA, UV-Visible spectroscopy). Evaluation of the hybrid for the photocatalytic degradation of Acid Violet 7 dye indicated an enhanced dye removal performance for TiO2/MWCNT-CNF (96.2%) compared to TiO2 (75.2%) after 2 h of visible light irradiation. While the nanocomposite showed good potential for the degradation of the azo dye, overall, the findings herein indicated that acute exposure of P. subcapitata to various concentrations of TiO2/MWCNT-CNF nanocomposite may cause algal growth inhibition including undesirable sublethal oxidative stress effects. The findings of this study contribute to a better understanding of the potential hazards of the developing nanocomposites materials towards the nano-bioremediation materials to treat wastewaters.
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Affiliation(s)
- Terrence S Malatjie
- Institute for Nanotechnology and Water Sustainability, College of Science, Engineering and Technology, University of South Africa, Florida Science Campus, P/Bag X6, Roodepoort, 1709, South Africa
| | - Tarryn L Botha
- Institute for Nanotechnology and Water Sustainability, College of Science, Engineering and Technology, University of South Africa, Florida Science Campus, P/Bag X6, Roodepoort, 1709, South Africa
| | - Alex T Kuvarega
- Institute for Nanotechnology and Water Sustainability, College of Science, Engineering and Technology, University of South Africa, Florida Science Campus, P/Bag X6, Roodepoort, 1709, South Africa
| | - Ntakadzeni Madima
- Institute for Nanotechnology and Water Sustainability, College of Science, Engineering and Technology, University of South Africa, Florida Science Campus, P/Bag X6, Roodepoort, 1709, South Africa
| | - Karin de Bruyn
- College of Agriculture and Environmental Sciences Laboratories, University of South Africa, Science Campus, Florida, Johannesburg, 1710, South Africa
| | - Memory Tekere
- Department of Environmental Sciences, College of Agriculture & Environmental Sciences, University of South Africa, Florida Science Campus, P/Bag X6, Roodepoort, 1709, South Africa
| | - Thabo T I Nkambule
- Institute for Nanotechnology and Water Sustainability, College of Science, Engineering and Technology, University of South Africa, Florida Science Campus, P/Bag X6, Roodepoort, 1709, South Africa
| | - Bhekie B Mamba
- Institute for Nanotechnology and Water Sustainability, College of Science, Engineering and Technology, University of South Africa, Florida Science Campus, P/Bag X6, Roodepoort, 1709, South Africa
| | - Titus A M Msagati
- Institute for Nanotechnology and Water Sustainability, College of Science, Engineering and Technology, University of South Africa, Florida Science Campus, P/Bag X6, Roodepoort, 1709, South Africa.
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Fischer DK, Rodrigues de Fraga K, Scheeren CW. Ionic liquid/TiO 2 nanoparticles doped with non-expensive metals: new active catalyst for phenol photodegradation. RSC Adv 2022; 12:2473-2484. [PMID: 35425271 PMCID: PMC8979310 DOI: 10.1039/d1ra08459c] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2021] [Accepted: 12/22/2021] [Indexed: 11/21/2022] Open
Abstract
TiO2 nanoparticles were synthesized using 1-n-butyl-3-methylimidazolium tetrafluoroborate (BMI·BF4) ionic liquid and doped with non-expensive metals Cu2+ and Fe3+ by the sol–gel method. The new generated photocatalysts had their morphological, textural and structural characteristics analysed by scanning electron microscopy and dispersive X-ray spectroscopy (SEM/EDS), transmission electron microscopy (TEM), Brunauer–Emmett–Teller analysis (BET), Fourier transform infrared spectroscopy (FTIR), X-ray diffraction (XRD) and diffuse reflectance spectroscopy (DRS). The results showed two phases by XRD analysis, anatase (majority) and rutile (minority). The SEM micrographs exposed spherical TiO2 NPs/BMI·BF4 IL and compact layers for Cu2+ and Fe3+-doped TiO2 NPs in BMI·BF4 IL, the EDX confirmed only the presence of Ti, O, Fe and Cu. The BET and BJH analyses exhibited high porous TiO2 NPs/BMI·BF4 IL. The BET and BJH analyses confirmed that the pore diameter of mesoporous materials was between 12 and 16 nm with similar values for surface area (55–63 m2 g−1). The TEM images exhibited spherical shape nanoparticles with mean diameter of 20–22 nm. The DRS analysis and Tauc equation were applied to estimate the optical energy band gap of the photocatalysts. The energy band gap values of 3.1 eV, 3.32 eV, and 2.78 eV were obtained for TiO2 NPs/BMI·BF4 IL, 1% Fe3+-doped TiO2 NPs/BMI·BF4 IL and 1% Cu2+-doped TiO2 NPs/BMI·BF4 IL, respectively. Phenol photodegradation was realized using Cu2+ and Fe3+-doped TiO2 NPs/BMI·BF4 IL under UV/visible irradiation and quantified by HPLC-FLD. The phenol photodegradation was investigated by different concentrations of metal-doped TiO2 NPs/BMI·BF4 IL. The new active photocatalysts 1% Cu2+-doped TiO2 NPs and 1% Fe3+-doped TiO2 NPs/BMI·BF4 IL exhibited high catalytic activity (99.9% and 96.8%, respectively). The photocatalysts 1% Cu2+ and 1% Fe3+-doped TiO2 NPs/BMI·BF4 IL were also evaluated using industrial wastewater from the tobacco industry. The results showed 56.7% phenol photodegradation, due to the complexity of the tobacco matrix wastewater. TiO2 nanoparticles were synthesized using 1-n-butyl-3-methylimidazolium tetrafluoroborate (BMI·BF4) ionic liquid and doped with non-expensive metals Cu2+ and Fe3+ by the sol–gel method.![]()
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Affiliation(s)
- Daiane Kessler Fischer
- Laboratory of Catalysis and Nanomaterials, School of Chemistry and Food, Federal University of Rio Grande-FURG Rua Barão do Caí, 125 CEP 95500-000 Santo Antônio da Patrulha RS Brazil
| | - Karina Rodrigues de Fraga
- Laboratory of Catalysis and Nanomaterials, School of Chemistry and Food, Federal University of Rio Grande-FURG Rua Barão do Caí, 125 CEP 95500-000 Santo Antônio da Patrulha RS Brazil
| | - Carla Weber Scheeren
- Laboratory of Catalysis and Nanomaterials, School of Chemistry and Food, Federal University of Rio Grande-FURG Rua Barão do Caí, 125 CEP 95500-000 Santo Antônio da Patrulha RS Brazil
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Thermal, photocatalytic, and antibacterial properties of rGO/TiO2/PVA and rGO/TiO2/PEG composites. Polym Bull (Berl) 2021. [DOI: 10.1007/s00289-021-03914-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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Manjunatha B, Seo E, Park SH, Kundapur RR, Lee SJ. Pristine graphene and graphene oxide induce multi-organ defects in zebrafish (Danio rerio) larvae/juvenile: an in vivo study. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2021; 28:34664-34675. [PMID: 33656705 DOI: 10.1007/s11356-021-13058-7] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/16/2020] [Accepted: 02/16/2021] [Indexed: 05/14/2023]
Abstract
Graphene-based nanomaterials (GBNs) have been widely used in various fields nowadays. However, they are reported to be highly toxic to some aquatic organisms. However, the multi-organ toxicity caused by pristine graphene (pG) and graphene oxide (GO) to the developing zebrafish (Danio rerio) larvae or juvenile and the underlying mechanisms is not fully known. Therefore, in the present study, the effect of pG and GO with environmental concentrations (0, 5, 10, 15, 20, and 25 μg/L of pG; 0, 0.1, 0.2, 0.3, and 0.4 mg/mL of GO) on multi-organ system in developing zebrafish larvae was experimentally assessed. The pG and GO were found to accumulate in the brain tissue that also caused significant changes in the heart beat and survival rate. The sizes of hepatocytes were reduced. Altered axonal integrity, affecting axon length and pattern in "Tg(mbp:eGFP) transgenic lines" was also observed. In addition, the results indicated pathological effects in major organs and with disrupted mitochondrial structure was quite obvious. The pG and GO bioaccumulation leads to multi organ toxicity in zebrafish larvae. In future, the existence of the current study can be extrapolated to other aquatic system in general and in particularly to humans.
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Affiliation(s)
- Bangeppagari Manjunatha
- Center for Biofluid and Biomimic Research, Pohang University of Science and Technology (POSTECH), Pohang, 37673, South Korea
| | - Eunseok Seo
- Department of Mechanical Engineering, Pohang University of Science and Technology (POSTECH), Pohang, 37673, South Korea
| | - Sung Ho Park
- Department of Mechanical Engineering, Pohang University of Science and Technology (POSTECH), Pohang, 37673, South Korea
| | | | - Sang Joon Lee
- Center for Biofluid and Biomimic Research, Pohang University of Science and Technology (POSTECH), Pohang, 37673, South Korea.
- Department of Mechanical Engineering, Pohang University of Science and Technology (POSTECH), Pohang, 37673, South Korea.
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Ecotoxicity Assessment of Graphene Oxide by Daphnia magna through a Multimarker Approach from the Molecular to the Physiological Level including Behavioral Changes. NANOMATERIALS 2020; 10:nano10102048. [PMID: 33081319 PMCID: PMC7603018 DOI: 10.3390/nano10102048] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/11/2020] [Revised: 10/06/2020] [Accepted: 10/12/2020] [Indexed: 12/11/2022]
Abstract
The extensive use of engineered nanomaterials, such as graphene oxide (GO), is stimulating research about its potential environmental impacts on the aquatic ecosystem. This study is aimed to comprehensively assess the acute toxicity of a well-characterized GO suspension to Daphnia magna. Conventional ecotoxicological endpoints (lethality, immobilization) and more sensitive, sublethal endpoints (heartbeat rate, feeding activity, and reactive oxygen species (ROS)) production were used. The possible normalization of the heartbeat rate and feeding activity in clean test medium was also investigated. The fate, time-dependent, and concentration-dependent aggregation behaviour of GO was followed by dynamic light scattering, UV-Vis spectroscopy, and zeta potential measurement methods. The EC20 value for immobilization was 50 mg/L, while, for physiological and behavioural endpoints, it ranged from 8.1 mg/L (feeding activity) to 14.8 mg/L (immobilization). The most sensitive endpoint was the ROS production with EC20 = 4.78 mg/L. 24-h recovery experiments revealed that feeding activity was restored only up to a certain level at higher concentrations, indicating that the potential environmental health effects of GO cannot be neglected. Alterations of normal physiology (heart rate) and feeding activity may be associated with increased risk of predation and reproductive decline, highlighting that GO may have impacts on population and food web dynamics in aquatic ecosystems.
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Delgado LP, Figueroa-Torres MZ, Ceballos-Chuc MC, García-Rodríguez R, Alvarado-Gil JJ, Oskam G, Rodriguez-Gattorno G. "Tailoring the TiO 2 phases through microwave-assisted hydrothermal synthesis: Comparative assessment of bactericidal activity". MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2020; 117:111290. [PMID: 32919651 DOI: 10.1016/j.msec.2020.111290] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/01/2020] [Revised: 06/26/2020] [Accepted: 07/12/2020] [Indexed: 11/15/2022]
Abstract
Nanocrystalline titania (TiO2) is one of the most investigated crystalline nanostructured systems in the field of materials science. The technological applications of this material are related to its optoelectronic and photocatalytic properties, which in turn are strongly dependent on the crystal phase (i.e., anatase, brookite, and rutile), particle size, and surface structure. However, systematic comparative studies of all its crystal phases are scarce in literature due to difficulties in providing a controlled synthesis, which is primarily important in obtaining the brookite phase. In this report, the synthesis of TiO2 nanoparticles in the anatase, brookite, and rutile structures was explored, using amorphous TiO2 as a common precursor under microwave-assisted hydrothermal conditions. The influence of parameters such as temperature, acidity, and precursor concentration on phase crystallization were investigated. The TiO2 materials (amorphous and crystalline phases as well as commercial Degussa P25) were systematically characterized using Raman spectroscopy, X-ray diffraction, X-ray photoelectron spectroscopy, scanning electron microscopy, UV-visible reflectance spectroscopy, and dynamic and electrophoretic light scattering. The bactericidal activity and photocatalytic antibacterial effectiveness of each material were evaluated through the determination of the minimum inhibitory and bactericidal concentrations, and via the mortality kinetic method under ultraviolet (UV) illumination under similar conditions with two bacterial groups of unique cellular structures: Gram-negative Escherichia coli (E. coli) and Gram-positive Staphylococcus aureus (S. aureus). The results are discussed with particular emphasis on the relationship between the synthesis parameters (acidity, precursor concentration, temperature and reaction time) and the bactericidal properties.
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Affiliation(s)
- L P Delgado
- Departamento de Física Aplicada, CINVESTAV-I. P. N., Cordemex, 97310 Mérida, Yucatán, Mexico
| | - M Z Figueroa-Torres
- Universidad Autónoma de Nuevo León, Facultad de Ingeniería Civil-IIC, San Nicolás de Los Garza, Nuevo León 66455, Mexico
| | - M C Ceballos-Chuc
- Departamento de Física Aplicada, CINVESTAV-I. P. N., Cordemex, 97310 Mérida, Yucatán, Mexico
| | - R García-Rodríguez
- Departamento de Física Aplicada, CINVESTAV-I. P. N., Cordemex, 97310 Mérida, Yucatán, Mexico
| | - J J Alvarado-Gil
- Departamento de Física Aplicada, CINVESTAV-I. P. N., Cordemex, 97310 Mérida, Yucatán, Mexico
| | - G Oskam
- Departamento de Física Aplicada, CINVESTAV-I. P. N., Cordemex, 97310 Mérida, Yucatán, Mexico
| | - G Rodriguez-Gattorno
- Departamento de Física Aplicada, CINVESTAV-I. P. N., Cordemex, 97310 Mérida, Yucatán, Mexico.
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Park JC, Hagiwara A, Park HG, Lee JS. The glutathione S-transferase genes in marine rotifers and copepods: Identification of GSTs and applications for ecotoxicological studies. MARINE POLLUTION BULLETIN 2020; 156:111080. [PMID: 32510351 DOI: 10.1016/j.marpolbul.2020.111080] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/03/2019] [Revised: 03/12/2020] [Accepted: 03/16/2020] [Indexed: 06/11/2023]
Abstract
Various xenobiotics are constantly being released and accumulated into the aquatic environments and consequently, the aquatic organisms are continuously being exposed to exogenous stressors. Among various xenobiotic detoxifying enzymes, Glutathione S-transferase (GST) is one of the major xenobiotic detoxifying enzyme which is widely distributed among living organisms and thus, understanding of the nature of GSTs is crucial. Previous studies have shown GST activity in response to various xenobiotics yet, full identification of GSTs in marine invertebrates is still limited. This review covers information on the importance of GSTs as a biomarker for emerging chemicals and their response to wide ranges of environmental pollutants as well as in-depth phylogenetic analysis of marine invertebrates, including recently identified GSTs belonging to rotifers (Brachionus spp.) and copepods (Tigriopus japonicus and Paracyclopina nana), with unique class-specific features of GSTs, as well as a new suggestion of GST evolutionary pathway.
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Affiliation(s)
- Jun Chul Park
- Department of Biological Science, College of Science, Sungkyunkwan University (SKKU), Suwon 16419, South Korea
| | - Atsushi Hagiwara
- Graduate School of Fisheries and Environmental Sciences, Nagasaki University, Nagasaki 852-8521, Japan; Organization for Marine Science and Technology, Nagasaki University, Nagasaki 852-8521, Japan
| | - Heum Gi Park
- Department of Marine Resource Development, College of Life Sciences, Gangneung-Wonju National University, Gangneung 25457, South Korea
| | - Jae-Seong Lee
- Department of Biological Science, College of Science, Sungkyunkwan University (SKKU), Suwon 16419, South Korea.
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Synthesis of Chitosan Beads Incorporating Graphene Oxide/Titanium Dioxide Nanoparticles for In Vivo Studies. Molecules 2020; 25:molecules25102308. [PMID: 32423061 PMCID: PMC7287625 DOI: 10.3390/molecules25102308] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2020] [Revised: 05/08/2020] [Accepted: 05/11/2020] [Indexed: 01/08/2023] Open
Abstract
Scaffold development for cell regeneration has increased in recent years due to the high demand for more efficient and biocompatible materials. Nanomaterials have become a critical alternative for mechanical, thermal, and antimicrobial property reinforcement in several biopolymers. In this work, four different chitosan (CS) bead formulations crosslinked with glutaraldehyde (GLA), including titanium dioxide nanoparticles (TiO2), and graphene oxide (GO) nanosheets, were prepared with potential biomedical applications in mind. The characterization of by FTIR spectroscopy, X-ray photoelectron spectroscopy (XRD), thermogravimetric analysis (TGA), energy-dispersive spectroscopy (EDS) and scanning electron microscopy (SEM), demonstrated an efficient preparation of nanocomposites, with nanoparticles well-dispersed in the polymer matrix. In vivo, subdermal implantation of the beads in Wistar rat′s tissue for 90 days showed a proper and complete healing process without any allergenic response to any of the formulations. Masson′s trichrome staining of the histological implanted tissues demonstrated the presence of a group of macrophage/histiocyte compatible cells, which indicates a high degree of biocompatibility of the beads. The materials were very stable under body conditions as the morphometry studies showed, but with low resorption percentages. These high stability beads could be used as biocompatible, resistant materials for long-term applications. The results presented in this study show the enormous potential of these chitosan nanocomposites in cell regeneration and biomedical applications.
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Abbas Q, Yousaf B, Ali MU, Munir MAM, El-Naggar A, Rinklebe J, Naushad M. Transformation pathways and fate of engineered nanoparticles (ENPs) in distinct interactive environmental compartments: A review. ENVIRONMENT INTERNATIONAL 2020; 138:105646. [PMID: 32179325 DOI: 10.1016/j.envint.2020.105646] [Citation(s) in RCA: 136] [Impact Index Per Article: 34.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/21/2019] [Revised: 03/08/2020] [Accepted: 03/08/2020] [Indexed: 05/24/2023]
Abstract
The ever increasing production and use of nano-enabled commercial products release the massive amount of engineered nanoparticles (ENPs) in the environment. An increasing number of recent studies have shown the toxic effects of ENPs on different organisms, raising concerns over the nano-pollutants behavior and fate in the various environmental compartments. After the release of ENPs in the environment, ENPs interact with various components of the environment and undergoes dynamic transformation processes. This review focus on ENPs transformations in the various environmental compartments. The transformation processes of ENPs are interrelated to multiple environmental aspects. Physical, chemical and biological processes such as the homo- or hetero-agglomeration, dissolution/sedimentation, adsorption, oxidation, reduction, sulfidation, photochemically and biologically mediated reactions mainly occur in the environment consequently changes the mobility and bioavailability of ENPs. Physico-chemical characteristics of ENPs (particle size, surface area, zeta potential/surface charge, colloidal stability, and core-shell composition) and environmental conditions (pH, ionic strength, organic and inorganic colloids, temperature, etc.) are the most important parameters which regulated the ENPs environmental transformations. Meanwhile, in the environment, organisms encountered multiple transformed ENPs rather than the pristine nanomaterials due to their interactions with various environmental materials and other pollutants. Thus it is the utmost importance to study the behavior of transformed ENPs to understand their environmental fate, bioavailability, and mode of toxicity.
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Affiliation(s)
- Qumber Abbas
- CAS-Key Laboratory of Crust-Mantle Materials and the Environments, School of Earth and Space Sciences, University of Science and Technology of China, Hefei 230026, China
| | - Balal Yousaf
- Department of Environmental Engineering, Middle East Technical University, Ankara 06800, Turkey; CAS-Key Laboratory of Crust-Mantle Materials and the Environments, School of Earth and Space Sciences, University of Science and Technology of China, Hefei 230026, China.
| | - Muhammad Ubaid Ali
- Guangdong Provincial Key Laboratory of Soil and Groundwater Pollution Control, School of Environmental Science and Engineering, Southern University of Science and Technology, Shenzhen, China; State Environmental Protection Key Laboratory of Integrated Surface Water-Groundwater Pollution Control, School of Environmental Science and Engineering, Southern University of Science and Technology, Shenzhen, China
| | - Mehr Ahmed Mujtaba Munir
- CAS-Key Laboratory of Crust-Mantle Materials and the Environments, School of Earth and Space Sciences, University of Science and Technology of China, Hefei 230026, China
| | - Ali El-Naggar
- Department of Soil Sciences, Faculty of Agriculture, Ain Shams University, Cairo 11241, Egypt
| | - Jörg Rinklebe
- University of Wuppertal, School of Architecture and Civil Engineering, Institute of Foundation Engineering, Water- and Waste-Management, Soil- and Groundwater-Management, Pauluskirchstraße 7, 42285 Wuppertal, Germany; Department of Environment, Energy and Geoinformatics, Sejong University, 98 Gunja-Dong, Seoul, Republic of Korea
| | - Mu Naushad
- Department of Chemistry, College of Science, Bld#5, King Saud University, Riyadh, Saudi Arabia
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Ultrasound assisted preparation of rGO/TiO2 nanocomposite for effective photocatalytic degradation of methylene blue under sunlight. ACTA ACUST UNITED AC 2020. [DOI: 10.1016/j.nanoso.2019.100407] [Citation(s) in RCA: 67] [Impact Index Per Article: 16.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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17
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Liu S, Zeng P, Li X, Thuyet DQ, Fan W. Effect of chronic toxicity of the crystalline forms of TiO 2 nanoparticles on the physiological parameters of Daphnia magna with a focus on index correlation analysis. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2019; 181:292-300. [PMID: 31201961 DOI: 10.1016/j.ecoenv.2019.06.014] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/17/2019] [Revised: 06/03/2019] [Accepted: 06/05/2019] [Indexed: 06/09/2023]
Abstract
The widespread use of titanium dioxide nanoparticles (NPs) and their inevitable release into aquatic environments have caused great concerns about their ecotoxicity. However, the chronic toxicity to TiO2 NPs of aquatic organisms has not been fully understood. In particular, research is lacking on the influence of the crystalline forms of TiO2 NPs on their mechanisms of toxicity. This study investigated the chronic toxicity (i.e., 21-day toxicity tests) of 5 types of TiO2 NPs with various percentages of crystalline forms on Daphnia magna. Results revealed that the crystalline form composed of 80% anatase and 20% rutile (i.e., the M1 form) had the highest energy band gap (i.e., Eg, the energy interval between the valence band edge and the conduction band edge) and caused maximal D. magna mortality compared with other crystalline forms. The crystalline form comprising 100% rutile (i.e., the R-S form) had the lowest Eg and exhibited a minimal effect on the physiological parameters of D. magna. Moreover, in a suitable environment without TiO2 NPs, D. magna progenies could recover to a normal physiological level (e.g., the mortalities of D. magna progenies were lower than those of parental D. magna that were exposed to TiO2 NPs at a concentration of 0.5 mg/L). Correlation analysis revealed that the body length, time of first brood, and number of neonates in the first brood of D. magna were negatively correlated with titanium accumulation in vivo. Furthermore, the indices of Ti accumulation and the product of Eg and Ti accumulation (i.e., Eg × Ti accumulation) were positively correlated (p < 0.05) with D. magna mortality, thus indicating that crystalline forms with a high Eg may cause severe toxicity to aquatic organisms at the same TiO2 bioaccumulation level.
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Affiliation(s)
- Shu Liu
- Department of Environmental Science and Engineering, School of Space and Environment, Beihang University, Beijing, 10191, China; Beijing Advanced Innovation Center for Big Data-Based Precision Medicine, Beihang University, Beijing, 100191, China
| | - Pei Zeng
- Department of Environmental Science and Engineering, School of Space and Environment, Beihang University, Beijing, 10191, China
| | - Xiaomin Li
- Department of Environmental Science and Engineering, School of Space and Environment, Beihang University, Beijing, 10191, China
| | - Dang Quoc Thuyet
- Institute of Agricultural Machinery, National Agriculture and Food Research Organization, 1-40-2 Nisshin, Kita-ku, Saitama City, Saitama, 331-8537, Japan
| | - Wenhong Fan
- Department of Environmental Science and Engineering, School of Space and Environment, Beihang University, Beijing, 10191, China; Beijing Advanced Innovation Center for Big Data-Based Precision Medicine, Beihang University, Beijing, 100191, China.
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18
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Hu S, Han J, Yang L, Li S, Guo Y, Zhou B, Wu H. Bioconcentration, depuration and toxicity of Pb in the presence of titanium dioxide nanoparticles in zebrafish larvae. AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2019; 214:105257. [PMID: 31336221 DOI: 10.1016/j.aquatox.2019.105257] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/29/2019] [Revised: 07/14/2019] [Accepted: 07/15/2019] [Indexed: 06/10/2023]
Abstract
The interactions between nanoparticles (NPs) and metals in aquatic environments may modify the bioavailability and toxicity of metals to organisms. In this study, we investigated the effects of titanium dioxide NPs (n-TiO2) on the bioconcentration, depuration, and neurotoxic effects of lead (Pb) in zebrafish larvae. Transmission electron microscopy coupled with energy-dispersive X-ray spectroscopy showed that Pb2+ was adsorbed by n-TiO2 to form NP-Pb complexes in suspension, and these complexes were observed in larval tissues. The bioconcentration of Pb in larvae along with the depuration rates of Pb were higher in the presence of n-TiO2 compared to when n-TiO2 was absent. Exposure to Pb alone induced the expression of the biomarker metallothionein, downregulated neurodevelopment-related genes, and reduced swimming activity of larvae. However, the addition of n-TiO2 to the exposure solution alleviated these effects. The results suggest that n-TiO2 can act as a carrier of Pb to increase its bioconcentration; however, the formation of NP-Pb complexes likely reduces the amount of free Pb2+, thereby reducing toxicity to larvae.
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Affiliation(s)
- Shengchao Hu
- School of Environmental Science and Engineering, Huazhong University of Science and Technology, Wuhan, 430074, China; State Key Laboratory of Freshwater Ecology and Biotechnology, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan, 430072, China
| | - Jian Han
- State Key Laboratory of Freshwater Ecology and Biotechnology, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan, 430072, China.
| | - Lihua Yang
- State Key Laboratory of Freshwater Ecology and Biotechnology, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan, 430072, China
| | - Sen Li
- School of Environmental Science and Engineering, Huazhong University of Science and Technology, Wuhan, 430074, China; Environmental Change Institute, University of Oxford, Oxford, OX1 3QY, UK
| | - Yongyong Guo
- State Key Laboratory of Freshwater Ecology and Biotechnology, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan, 430072, China
| | - Bingsheng Zhou
- State Key Laboratory of Freshwater Ecology and Biotechnology, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan, 430072, China
| | - Hongjuan Wu
- School of Environmental Science and Engineering, Huazhong University of Science and Technology, Wuhan, 430074, China.
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19
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Chen X, Zhu Y, Yang K, Zhu L, Lin D. Nanoparticle TiO 2 size and rutile content impact bioconcentration and biomagnification from algae to daphnia. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2019; 247:421-430. [PMID: 30690238 DOI: 10.1016/j.envpol.2019.01.022] [Citation(s) in RCA: 36] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/31/2018] [Revised: 01/07/2019] [Accepted: 01/08/2019] [Indexed: 05/25/2023]
Abstract
Little information is available about effect of particle size and crystal structure of nTiO2 on their trophic transfer. In this study, 5 nm anatase, 10 nm anatase, 100 nm anatase, 20 nm P25 (80% anatase and 20% rutile), and 25 nm rutile nTiO2 were selected to investigate the effects of size and crystal structure on the toxicity, bioconcentration, and trophic transfer of nTiO2 to algae and daphnia. In the exposed daphnids, metabolic pathways affected by nTiO2 and nTiO2-exposed algae (nTiO2-algae) were also explored. The 96 h IC50 values of algae and the 48 h LC50 values of daphnia were 10.3, 18.9, 43.9, 33.6, 65.4 mg/L and 10.5, 13.2, 37.0, 28.4, 60.7 mg/L, respectively, after exposed to nTiO2-5A, nTiO2-10A, nTiO2-100A, nTiO2-P25, and nTiO2-25R, respectively. The bioconcentration factors (BCFs) for 0.1, 1, and 10 mg/L nTiO2 in daphnia ranged from 21,220 L/kg to 145,350 L/kg. The nTiO2 biomagnification factors (BMFs) of daphnia fed with 1 and 10 mg/L nTiO2-exposed algae were consistently greater than 1.0 (5.7-122). The results show that the acute toxicity, BCF, and BMF all decreased with increasing size or rutile content of nTiO2. All types of nTiO2 were largely accumulated in the daphnia gut and were not completely depurated within 24 h. At the molecular level, 22 Kyoto Encyclopedia of Genes and Genomes (KEGG) metabolic pathways of daphnia were impacted by the nTiO2 and nTiO2-algae treatments, including glutathione metabolism, aminoacyl-tRNA biosynthesis, among others. Six and four KEGG metabolic pathways were significantly disturbed in daphnids exposed to nTiO2 and nTiO2-algae, respectively, indicating the presence of algae partially alleviated the negative impact of nTiO2 on metabolism. These findings increase understanding of the impacts of physicochemical properties of nTiO2 on the food chain from molecular scale to that of the whole organism, and provide new insight into the ecological effect of nanomaterials.
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Affiliation(s)
- Xiangjie Chen
- Department of Environmental Science, Zhejiang University, Hangzhou, 310058, China; Zhejiang Provincial Key Laboratory of Organic Pollution Process and Control, Zhejiang University, Hangzhou, 310058, China
| | - Ya Zhu
- Department of Environmental Science, Zhejiang University, Hangzhou, 310058, China; Zhejiang Provincial Key Laboratory of Organic Pollution Process and Control, Zhejiang University, Hangzhou, 310058, China
| | - Kun Yang
- Department of Environmental Science, Zhejiang University, Hangzhou, 310058, China; Zhejiang Provincial Key Laboratory of Organic Pollution Process and Control, Zhejiang University, Hangzhou, 310058, China
| | - Lizhong Zhu
- Department of Environmental Science, Zhejiang University, Hangzhou, 310058, China; Zhejiang Provincial Key Laboratory of Organic Pollution Process and Control, Zhejiang University, Hangzhou, 310058, China
| | - Daohui Lin
- Department of Environmental Science, Zhejiang University, Hangzhou, 310058, China; Zhejiang Provincial Key Laboratory of Organic Pollution Process and Control, Zhejiang University, Hangzhou, 310058, China.
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20
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Torrealba D, More-Bayona JA, Wakaruk J, Barreda DR. Innate Immunity Provides Biomarkers of Health for Teleosts Exposed to Nanoparticles. Front Immunol 2019; 9:3074. [PMID: 30687312 PMCID: PMC6335578 DOI: 10.3389/fimmu.2018.03074] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2018] [Accepted: 12/12/2018] [Indexed: 12/14/2022] Open
Abstract
In recent years, the unique properties of nanoparticles have fostered novel applications in various fields such as biology, pharmaceuticals, agriculture, and others. Unfortunately, their rapid integration into daily life has also led to environmental concerns due to uncontrolled release of nanoparticles into the aquatic environment. Despite increasing awareness of nanoparticle bioaccumulation in the aquatic environment, much remains to be learned about their impact on aquatic organisms and how to best monitor these effects. Herein, we provide the first review of innate immunity as an emerging tool to assess the health of fish following nanoparticle exposure. Fish are widely used as sentinels for aquatic ecosystem pollution and innate immune parameters offer sensitive and reliable tools that can be harnessed for evaluation of contamination events. The most frequent biomarkers highlighted in literature to date include, but are not limited to, parameters associated with leukocyte dynamics, oxidative stress, and cytokine production. Taken together, innate immunity offers finite and sensitive biomarkers for assessment of the impact of nanoparticles on fish health.
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Affiliation(s)
- Débora Torrealba
- Immunology and Animal Health Laboratory, Department of Biological Sciences, University of Alberta, Edmonton, AB, Canada
- Department of Agricultural, Food and Nutritional Science, University of Alberta, Edmonton, AB, Canada
| | - Juan A. More-Bayona
- Immunology and Animal Health Laboratory, Department of Biological Sciences, University of Alberta, Edmonton, AB, Canada
| | - Jeremy Wakaruk
- Department of Agricultural, Food and Nutritional Science, University of Alberta, Edmonton, AB, Canada
| | - Daniel R. Barreda
- Immunology and Animal Health Laboratory, Department of Biological Sciences, University of Alberta, Edmonton, AB, Canada
- Department of Agricultural, Food and Nutritional Science, University of Alberta, Edmonton, AB, Canada
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21
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Dasmahapatra AK, Dasari TPS, Tchounwou PB. Graphene-Based Nanomaterials Toxicity in Fish. REVIEWS OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY 2019; 247:1-58. [PMID: 30413975 PMCID: PMC6481941 DOI: 10.1007/398_2018_15] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/02/2023]
Abstract
Due to their unique physicochemical properties, graphene-based nanoparticles (GPNs) constitute one of the most promising types of nanomaterials used in biomedical research. GPNs have been used as polymeric conduits for nerve regeneration and carriers for targeted drug delivery and in the treatment of cancer via photothermal therapy. Moreover, they have been used as tracers to study the distribution of bioactive compounds used in healthcare. Due to their extensive use, GPN released into the environment would probably pose a threat to living organisms and ultimately to human health. Their accumulation in the aquatic environment creates problems to aquatic habitats as well as to food chains. Until now the potential toxic effects of GPN are not properly understood. Despite agglomeration and long persistence in the environment, GPNs are able to cross the cellular barriers successfully, entered into the cells, and are able to interact with almost all the cellular sites including the plasma membrane, cytoplasmic organelles, and nucleus. Their interaction with DNA creates more potential threats to both the genome and epigenome. In this brief review, we focused on fish, mainly zebrafish (Danio rerio), as a potential target animal of GPN toxicity in the aquatic ecosystem.
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Affiliation(s)
- Asok K Dasmahapatra
- Research Centers in Minority Institutions, Center for Environmental Health, Jackson State University, Jackson, MS, USA
| | - Thabitha P S Dasari
- Research Centers in Minority Institutions, Center for Environmental Health, Jackson State University, Jackson, MS, USA
| | - Paul B Tchounwou
- Research Centers in Minority Institutions, Center for Environmental Health, Jackson State University, Jackson, MS, USA.
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22
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Designing cotton fibers impregnated with photocatalytic graphene oxide/Fe, N-doped TiO2 particles as prospective industrial self-cleaning and biocompatible textiles. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2019; 94:318-332. [DOI: 10.1016/j.msec.2018.09.046] [Citation(s) in RCA: 38] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/05/2018] [Revised: 08/03/2018] [Accepted: 09/17/2018] [Indexed: 01/03/2023]
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23
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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. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 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] [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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24
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Li M, Pei J, Tang X, Guo X. Effects of surfactants on the combined toxicity of TiO 2 nanoparticles and cadmium to Escherichia coli. J Environ Sci (China) 2018; 74:126-133. [PMID: 30340666 DOI: 10.1016/j.jes.2018.02.016] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2017] [Revised: 02/26/2018] [Accepted: 02/26/2018] [Indexed: 06/08/2023]
Abstract
The combined ecological toxicity of TiO2 nanoparticles (nano-TiO2) and heavy metals has been paid more attention. As the common pollutants in water environment, surfactants could affect the properties of nanoparticles and heavy metals, and thus further influence the combined toxicity of nano-TiO2 and heavy metals. In this study, the effects of sodium dodecyl benzene sulfonate (SDBS) and Tween 80 on the single and combined toxicities of Cd2+ and nano-TiO2 to Escherichia coli (E. coli) were examined, and the underlying influence mechanism was further discussed. The results showed both SDBS and Tween 80 enhanced the toxicity of Cd2+ to E. coli in varying degrees. The reaction of SDBS and Cd2+ could increase the outer membrane permeability and the bioavailability of Cd, while Tween 80 itself could enhance the outer membrane permeability. The combined toxicity of nano-TiO2 and Cd2+ to E. coli in absence of surfactant was antagonistic because of the adsorption of Cd2+ to nano-TiO2 particles. However, in the presence of SDBS, both SDBS and nano-TiO2 influenced the toxicity of Cd2+, and also SDBS could adsorb to nano-TiO2 by binding to Cd2+. The combined toxicity was reduced at Cd2+ lower than 4mg/L and enhanced at Cd2+ higher than 4mg/L under multiple interactions. Tween 80 enhanced the combined toxicity of nano-TiO2 and Cd2+ by increasing the outer membrane permeability. Our study firstly elucidated the effects of surfactants on the combined toxicity of nano-TiO2 and Cd2+ to bacteria, and the underlying influencing mechanism was proposed.
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Affiliation(s)
- Mei Li
- School of Environmental and Resource Sciences, Zhejiang A & F University, Hangzhou 311300, China.
| | - Jianchuan Pei
- School of Environmental and Resource Sciences, Zhejiang A & F University, Hangzhou 311300, China
| | - Xiaomeng Tang
- School of Environmental and Resource Sciences, Zhejiang A & F University, Hangzhou 311300, China
| | - Xiaoli Guo
- School of Environmental and Resource Sciences, Zhejiang A & F University, Hangzhou 311300, China
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25
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Lu J, Zhu X, Tian S, Lv X, Chen Z, Jiang Y, Liao X, Cai Z, Chen B. Graphene oxide in the marine environment: Toxicity to Artemia salina with and without the presence of Phe and Cd 2. CHEMOSPHERE 2018; 211:390-396. [PMID: 30077935 DOI: 10.1016/j.chemosphere.2018.07.140] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/13/2018] [Revised: 07/17/2018] [Accepted: 07/23/2018] [Indexed: 06/08/2023]
Abstract
Given the increasing potential of graphene oxide entering marine environments, it is imperative to assess the risks of GO on marine ecosystem, including its direct toxicity to marine organisms and indirect toxicity brought by co-existing aquatic pollutants, as a result of the remarkable adsorption capacity of GO. In the present study, the acute toxicity of GO, Phe, Cd2+, GO-Phe, and GO-Cd2+ to Artemia salina were systemically assessed and compared for the first time. Although the lethal effects of GO alone to A. salina only appeared at high GO dose (500 mg/L), its sublethal toxicity (growth inhibition) at concentrations as low as 1 mg/L was observed by microscopy, which was likely closely related to the GO-induced oxidative stress in A. salina. Compared with the toxicity of Phe alone, GO-Phe exhibited a synergistic effect to A. salina at a high GO concentration. For GO-Cd2+, the toxicity was positively correlated with both GO dose and Cd2+ dose. The increased toxicity of GO-Phe or GO-Cd2+ at high doses might be attributed to the promoted bioaccumulation of toxicants by GO, as the adhesion of GO complexes to intestinal tract of A. salina was observed during the toxicity tests, which probably resulted in further toxicological effects.
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Affiliation(s)
- Jing Lu
- Shenzhen Key Laboratory of Organic Pollution Prevention and Control, State Key Laboratory of Urban Water Resource and Environment of Harbin Institute of Technology (Shenzhen), 518055, China; Graduate School at Shenzhen, Tsinghua University, Shenzhen, China
| | - Xiaoshan Zhu
- Graduate School at Shenzhen, Tsinghua University, Shenzhen, China.
| | - Shengyan Tian
- Tianjin Key Laboratory of Marine Resources and Chemistry, College of Marine and Environmental Sciences, Tianjin University of Science and Technology, Tianjin, China
| | - Xiaohui Lv
- Graduate School at Shenzhen, Tsinghua University, Shenzhen, China
| | - Zuohong Chen
- Graduate School at Shenzhen, Tsinghua University, Shenzhen, China
| | - Yuelu Jiang
- Graduate School at Shenzhen, Tsinghua University, Shenzhen, China
| | - Xingsheng Liao
- Department of Biological and Environmental Engineering, Changsha University, Changsha 410003, China
| | - Zhonghua Cai
- Graduate School at Shenzhen, Tsinghua University, Shenzhen, China
| | - Baiyang Chen
- Shenzhen Key Laboratory of Organic Pollution Prevention and Control, State Key Laboratory of Urban Water Resource and Environment of Harbin Institute of Technology (Shenzhen), 518055, China.
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26
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Sun W, Wu FG. Two-Dimensional Materials for Antimicrobial Applications: Graphene Materials and Beyond. Chem Asian J 2018; 13:3378-3410. [DOI: 10.1002/asia.201800851] [Citation(s) in RCA: 72] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2018] [Revised: 07/14/2018] [Indexed: 11/11/2022]
Affiliation(s)
- Wei Sun
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering; Southeast University; 2 Sipailou Road Nanjing 210096 P. R. China
| | - Fu-Gen Wu
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering; Southeast University; 2 Sipailou Road Nanjing 210096 P. R. China
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27
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Liu Y, Han W, Xu Z, Fan W, Peng W, Luo S. Comparative toxicity of pristine graphene oxide and its carboxyl, imidazole or polyethylene glycol functionalized products to Daphnia magna: A two generation study. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2018; 237:218-227. [PMID: 29486455 DOI: 10.1016/j.envpol.2018.02.021] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/23/2017] [Revised: 01/05/2018] [Accepted: 02/06/2018] [Indexed: 05/25/2023]
Abstract
To investigate the chronic toxicity of graphene oxide (GO) and its functionalized products (GO-carboxyl, GO-imidazole and GO-polyethylene glycol), a two-generation study was conducted using the aquatic model species Daphnia magna. Each generation of daphnids were exposed for 21 days to 1.0 mg L-1 graphene material, with body length, neonate number, time of first brood and the intrinsic rate of natural increase (r) assessed as endpoints. Chronic exposure to GO, GO-carboxyl, and GO-imidazole had no adverse effect on body length or offspring number in the daphnid F0 generation, however, this exposure paradigm led to significant growth or reproduction inhibition in the following generation. Meanwhile, GO was found to show the strongest inhibitory effect, sequentially followed by GO-carboxyl and GO-imidazole. With exposure to GO-polyethylene glycol, no significant effects on growth or reproduction were observed for both F0 and F1 generation daphnids. These results reveal that carboxyl, imidazole and polyethylene glycol functional attachments alleviate the bio-toxicity of GO, especially polyethylene glycol. The increased C/O atomic ratio present in GO-carboxyl, GO-imidazole and GO-polyethylene glycol due to functionalization may mainly explain the reduced toxicity.
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Affiliation(s)
- Yingying Liu
- School of Space and Environment, Beihang University, No. 37, XueYuan Road, HaiDian District, Beijing 100191, PR China
| | - Wenli Han
- School of Space and Environment, Beihang University, No. 37, XueYuan Road, HaiDian District, Beijing 100191, PR China
| | - Zhizhen Xu
- Key Laboratory of Occupational Safety and Health, Beijing Municipal Institute of Labor Protection, Beijing 100054, PR China
| | - Wenhong Fan
- School of Space and Environment, Beihang University, No. 37, XueYuan Road, HaiDian District, Beijing 100191, PR China.
| | - Weihua Peng
- School of Space and Environment, Beihang University, No. 37, XueYuan Road, HaiDian District, Beijing 100191, PR China
| | - Shenglian Luo
- School of Space and Environment, Beihang University, No. 37, XueYuan Road, HaiDian District, Beijing 100191, PR China; School of Environmental and Chemical Engineering, Nanchang Hangkong University, No. 696, FengHe Road, Nanchang, Jiangxi 330063, PR China
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28
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Markovic M, Kumar A, Andjelkovic I, Lath S, Kirby JK, Losic D, Batley GE, McLaughlin MJ. Ecotoxicology of manufactured graphene oxide nanomaterials and derivation of preliminary guideline values for freshwater environments. ENVIRONMENTAL TOXICOLOGY AND CHEMISTRY 2018; 37:1340-1348. [PMID: 29314166 DOI: 10.1002/etc.4074] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/11/2017] [Revised: 09/09/2017] [Accepted: 01/03/2018] [Indexed: 06/07/2023]
Abstract
The unique physical and chemical properties of graphene-based nanomaterials (GNMs) have inspired a diverse range of scientific and industrial applications. The market value of GNMs is predicted to reach $US 1.3 billion by 2023. Common to many nanomaterials, an important and unresolved question is the environmental consequences of the increases in GNMs use. The current deficiencies in studies reporting ecotoxicology data for GNMs include differences in analytical methodologies for quantification, no standardized test guidelines, differences in morphology of GNMs, the lack of Chemical Abstract Service numbers, and the quality of the reported data. The assessment of potential adverse effects on aquatic organisms typically relies on guideline values based on species sensitivity distributions (SSDs) of toxicity data. We present preliminary water quality guideline values for graphene oxide NMs in freshwaters. Data include 10 species from 7 phyla (bacteria and fungi were not included). The most sensitive organism was found to be the freshwater shrimp Palaemon pandaliformis. The derived guideline values for 99, 95, 90, and 80% species protection were 350, 600, 830, and 1300 μg/L, respectively. These results will contribute to the regulatory derivations of future water quality guideline values for graphene-based NMs. Environ Toxicol Chem 2018;37:1340-1348. © 2018 SETAC.
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Affiliation(s)
- Marijana Markovic
- Soil Science, School of Agriculture Food and Wine, University of Adelaide, Glen Osmond, South Australia, Australia
- CSIRO Land and Water, Urrbrae, South Australia, Australia
| | - Anupama Kumar
- CSIRO Land and Water, Urrbrae, South Australia, Australia
| | - Ivan Andjelkovic
- Soil Science, School of Agriculture Food and Wine, University of Adelaide, Glen Osmond, South Australia, Australia
- School of Chemical Engineering, the University of Adelaide, Adelaide, South Australia, Australia
| | - Supriya Lath
- Soil Science, School of Agriculture Food and Wine, University of Adelaide, Glen Osmond, South Australia, Australia
- School of Chemical Engineering, the University of Adelaide, Adelaide, South Australia, Australia
| | - Jason K Kirby
- CSIRO Land and Water, Urrbrae, South Australia, Australia
| | - Dusan Losic
- School of Chemical Engineering, the University of Adelaide, Adelaide, South Australia, Australia
| | - Graeme E Batley
- CSIRO Land and Water, Lucas Heights, New South Wales, Australia
| | - Michael J McLaughlin
- Soil Science, School of Agriculture Food and Wine, University of Adelaide, Glen Osmond, South Australia, Australia
- CSIRO Land and Water, Urrbrae, South Australia, Australia
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29
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Goodwin DG, Adeleye AS, Sung L, Ho KT, Burgess RM, Petersen EJ. Detection and Quantification of Graphene-Family Nanomaterials in the Environment. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2018; 52:4491-4513. [PMID: 29505723 PMCID: PMC5940015 DOI: 10.1021/acs.est.7b04938] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/18/2023]
Abstract
An increase in production of commercial products containing graphene-family nanomaterials (GFNs) has led to concern over their release into the environment. The fate and potential ecotoxicological effects of GFNs in the environment are currently unclear, partially due to the limited analytical methods for GFN measurements. In this review, the unique properties of GFNs that are useful for their detection and quantification are discussed. The capacity of several classes of techniques to identify and/or quantify GFNs in different environmental matrices (water, soil, sediment, and organisms), after environmental transformations, and after release from a polymer matrix of a product is evaluated. Extraction and strategies to combine methods for more accurate discrimination of GFNs from environmental interferences as well as from other carbonaceous nanomaterials are recommended. Overall, a comprehensive review of the techniques available to detect and quantify GFNs are systematically presented to inform the state of the science, guide researchers in their selection of the best technique for the system under investigation, and enable further development of GFN metrology in environmental matrices. Two case studies are described to provide practical examples of choosing which techniques to utilize for detection or quantification of GFNs in specific scenarios. Because the available quantitative techniques are somewhat limited, more research is required to distinguish GFNs from other carbonaceous materials and improve the accuracy and detection limits of GFNs at more environmentally relevant concentrations.
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Affiliation(s)
- David G. Goodwin
- Engineering Laboratory, National Institute of Standards and Technology (NIST), Gaithersburg, MD 20899
| | - Adeyemi S. Adeleye
- National Research Council Research Associate, US Environmental Protection Agency, Atlantic Ecology Division, 27 Tarzwell Dr., Narragansett, RI 02882
| | - Lipiin Sung
- Engineering Laboratory, National Institute of Standards and Technology (NIST), Gaithersburg, MD 20899
| | - Kay T. Ho
- US Environmental Protection Agency, Atlantic Ecology Division, 27 Tarzwell Dr., Narragansett, RI 02882
| | - Robert M. Burgess
- US Environmental Protection Agency, Atlantic Ecology Division, 27 Tarzwell Dr., Narragansett, RI 02882
| | - Elijah J. Petersen
- Material Measurement Laboratory, National Institute of Standards and Technology (NIST), Gaithersburg, MD 20899
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30
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Xia B, Sui Q, Sun X, Han Q, Chen B, Zhu L, Qu K. Ocean acidification increases the toxic effects of TiO 2 nanoparticles on the marine microalga Chlorella vulgaris. JOURNAL OF HAZARDOUS MATERIALS 2018; 346:1-9. [PMID: 29232611 DOI: 10.1016/j.jhazmat.2017.12.017] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/31/2017] [Revised: 11/06/2017] [Accepted: 12/06/2017] [Indexed: 06/07/2023]
Abstract
Concerns about the environmental effects of engineered nanoparticles (NPs) on marine ecosystems are increasing. Meanwhile, ocean acidification (OA) has become a global environmental problem. However, the combined effects of NPs and OA on marine organisms are still not well understood. In this study, we investigated the effects of OA (pH values of 7.77 and 7.47) on the bioavailability and toxicity of TiO2 NPs to the marine microalga Chlorella vulgaris. The results showed that OA enhanced the growth inhibition of algal cells caused by TiO2 NPs. We observed synergistic interactive effects of pH and TiO2 NPs on oxidative stress, indicating that OA significantly increased the oxidative damage of TiO2 NPs on the algal cells. Importantly, the elevated toxicity of TiO2 NPs associated with OA could be explained by the enhanced internalization of NPs in algal cells, which was attributed to the slighter aggregation and more suspended particles in acidified seawater. Overall, these findings provide useful information on marine environmental risk assessments of NPs under near future OA conditions.
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Affiliation(s)
- Bin Xia
- Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Qingdao 266071, China; Laboratory of Marine Ecology and Environmental Science, Qingdao National Laboratory for Marine Science and Technology, Qingdao 266000, China; Key Laboratory of Sustainable Development of Polar Fishery, Ministry of Agriculture, Qingdao 266071, China.
| | - Qi Sui
- Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Qingdao 266071, China; Ocean University of China, Qingdao 266100, China
| | - Xuemei Sun
- Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Qingdao 266071, China; Laboratory of Marine Ecology and Environmental Science, Qingdao National Laboratory for Marine Science and Technology, Qingdao 266000, China
| | - Qian Han
- Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Qingdao 266071, China
| | - Bijuan Chen
- Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Qingdao 266071, China; Laboratory of Marine Ecology and Environmental Science, Qingdao National Laboratory for Marine Science and Technology, Qingdao 266000, China
| | - Lin Zhu
- Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Qingdao 266071, China; Laboratory of Marine Ecology and Environmental Science, Qingdao National Laboratory for Marine Science and Technology, Qingdao 266000, China.
| | - Keming Qu
- Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Qingdao 266071, China
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31
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Shende TP, Bhanvase BA, Rathod AP, Pinjari DV, Sonawane SH. Sonochemical synthesis of Graphene-Ce-TiO 2 and Graphene-Fe-TiO 2 ternary hybrid photocatalyst nanocomposite and its application in degradation of crystal violet dye. ULTRASONICS SONOCHEMISTRY 2018; 41:582-589. [PMID: 29137789 DOI: 10.1016/j.ultsonch.2017.10.024] [Citation(s) in RCA: 45] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/14/2017] [Revised: 10/24/2017] [Accepted: 10/24/2017] [Indexed: 05/27/2023]
Abstract
The present work deals with the preparation of graphene oxide (GO) using Hummers-Offeman method in the presence of ultrasonic irradiations. Further loading of TiO2 photocatalyst on prepared GO was accomplished which is basically oxidation reduction reaction between graphene oxide and titanium isopropoxide that leads to the formation of graphene-TiO2 nanocomposite. Graphene-Ce-TiO2 and Graphene-Fe-TiO2 nanocomposites were prepared using one step in-situ ultrasound assisted method using GO, titanium isopropoxide, cerium nitrate, ferric nitrate, and 2-propanol. The successfully prepared graphene-TiO2, Graphene-Ce-TiO2, Graphene-Fe-TiO2 nanocomposites were then characterized using XRD, SEM and TEM analysis. The obtained XRD patterns clearly indicates the formation of anatase TiO2 on graphene nanosheets and it also indicates the presence of Ce and Fe in the Graphene-Ce-TiO2 and Graphene-Fe-TiO2 nanocomposite respectively. Further the use of the prepared nanocomposites as a photocatalyst have been studied for the degradation of crystal violet dye. The effect of various parameters such as catalyst doping, catalyst loading and initial concentration of dye on its degradation were studied. The effectiveness of the prepared catalysts were compared for the degradation of crystal violet dye. It has been observed that Graphene-Fe-TiO2 exhibits maximum photocatalytic activity compared to Graphene-Ce-TiO2 and Graphene-TiO2 nanocomposite photocatalyst.
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Affiliation(s)
- T P Shende
- Department of Chemical Engineering, Laxminarayan Institute of Technology, Rashtrasant Tukadoji Maharaj Nagpur University, Nagpur 440033, MS, India
| | - B A Bhanvase
- Department of Chemical Engineering, Laxminarayan Institute of Technology, Rashtrasant Tukadoji Maharaj Nagpur University, Nagpur 440033, MS, India.
| | - A P Rathod
- Department of Chemical Engineering, Visvesvaraya National Institute of Technology, Nagpur 440010, MS, India
| | - D V Pinjari
- Chemical Engineering Department, Institute of Chemical Technology, Mumbai 400019, MS, India
| | - S H Sonawane
- Department of Chemical Engineering, National Institute of Technology, Warangal 506004, Telangna State, India
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32
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Lv X, Yang Y, Tao Y, Jiang Y, Chen B, Zhu X, Cai Z, Li B. A mechanism study on toxicity of graphene oxide to Daphnia magna: Direct link between bioaccumulation and oxidative stress. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2018; 234:953-959. [PMID: 29665635 DOI: 10.1016/j.envpol.2017.12.034] [Citation(s) in RCA: 73] [Impact Index Per Article: 12.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/18/2017] [Revised: 11/04/2017] [Accepted: 12/10/2017] [Indexed: 06/08/2023]
Abstract
Graphene oxide (GO) possesses versatile applicability and high hydrophilicity, thus may have frequent contact with aquatic organisms. However, the ecological risks of GO in aquatic ecosystems remain largely unexplored currently. This study evaluated the comprehensive toxicological effects of GO on Daphnia magna, a key species in fresh water ecosystem. The results revealed nonsevere acute toxicities, including immobility (72 h EC50: 44.3 mg/L) and mortality (72 h LC50: 45.4 mg/L), of GO on D. magna. To understand the underlying mechanism of GO exposure, changes in superoxide dismutase (SOD) and lipid peroxidation (LPO) of D. magna exposed to GO were correlated, which revealed elevated GO-mediated oxidative stress and damages, especially in the long-time and high-dose exposure groups. The observations of in vivo fluorescence labeled with 2', 7'-dichlorofluorescin further demonstrated that reactive oxygen species were concentrated in daphnia guts, which corresponded with the high bioaccumulation level (5 mg/L, 24 h body burden: 107.9 g/kg) of GO in daphnia guts. However, depuration of GO from daphnia was not difficult. Daphnia almost released all GO within 24 h after it was transferred to clean water. These results hence suggest that GO could accumulate and induce significant oxidative stress in the gut of D. magna, while D. daphnia can also relieve the acute toxicity by depurating GO.
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Affiliation(s)
- Xiaohui Lv
- Shenzhen Key Laboratory of Organic Pollution Prevention and Control, State Key Laboratory of Urban Water Resource and Environment of Harbin Institute of Technology (Shenzhen), 518055, China; Graduate School at Shenzhen, Tsinghua University, Shenzhen, 518055, China
| | - Yao Yang
- College of Life Science and Oceanography, Shenzhen University, Shenzhen, 518055, China
| | - Yi Tao
- Graduate School at Shenzhen, Tsinghua University, Shenzhen, 518055, China
| | - Yuelu Jiang
- Graduate School at Shenzhen, Tsinghua University, Shenzhen, 518055, China
| | - Baiyang Chen
- Shenzhen Key Laboratory of Organic Pollution Prevention and Control, State Key Laboratory of Urban Water Resource and Environment of Harbin Institute of Technology (Shenzhen), 518055, China.
| | - Xiaoshan Zhu
- Graduate School at Shenzhen, Tsinghua University, Shenzhen, 518055, China.
| | - Zhonghua Cai
- Graduate School at Shenzhen, Tsinghua University, Shenzhen, 518055, China
| | - Bing Li
- Graduate School at Shenzhen, Tsinghua University, Shenzhen, 518055, China
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33
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Souza JP, Venturini FP, Santos F, Zucolotto V. Chronic toxicity in Ceriodaphnia dubia induced by graphene oxide. CHEMOSPHERE 2018; 190:218-224. [PMID: 28992473 DOI: 10.1016/j.chemosphere.2017.10.018] [Citation(s) in RCA: 44] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/24/2017] [Revised: 09/15/2017] [Accepted: 10/02/2017] [Indexed: 06/07/2023]
Abstract
The unique physico-chemical properties of nanomaterials have allowed their application in different areas including electronics, energy storage, nanomedicine, environmental remediation and biotechnology. Graphene and its derivatives, in particular, have been commercially available, with prediction for increasing their production in the next years, in a way that their release into aquatic environments is very likely to occur, and the impacts of such situation on organisms are still not completely understood. In this context, we evaluated graphene oxide (GO) effects on the freshwater cladoceran Ceriodaphnia dubia through acute and chronic toxicity, feeding rates, and reactive oxygen species (ROS) generation. The mean effective concentration (EC50) estimated during acute exposure was 1.25 mg L-1 of GO. The chronic exposure resulted in significant decrease in the number of neonates. The feeding rates were also decreased by GO exposure. Sub-lethal concentrations of GO caused an increase in ROS generation in the organisms. Our results indicated that GO cause acute and chronic effects to C. dubia. In the presence of GO there was a shift in the available energy for self-maintenance rather than feeding or reproduction activities. This study provides useful information on GO concentrations that might impair the aquatic biota, and supports regulatory efforts concerning the environmental safety of this product.
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Affiliation(s)
- Jaqueline P Souza
- Nanomedicine and Nanotoxicology Group, Physics Institute of São Carlos (IFSC), University of São Paulo (USP), Brazil.
| | - Francine P Venturini
- Nanomedicine and Nanotoxicology Group, Physics Institute of São Carlos (IFSC), University of São Paulo (USP), Brazil
| | - Fabrício Santos
- Nanomedicine and Nanotoxicology Group, Physics Institute of São Carlos (IFSC), University of São Paulo (USP), Brazil
| | - Valtencir Zucolotto
- Nanomedicine and Nanotoxicology Group, Physics Institute of São Carlos (IFSC), University of São Paulo (USP), Brazil
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34
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Lv X, Huang B, Zhu X, Jiang Y, Chen B, Tao Y, Zhou J, Cai Z. Mechanisms underlying the acute toxicity of fullerene to Daphnia magna: Energy acquisition restriction and oxidative stress. WATER RESEARCH 2017; 123:696-703. [PMID: 28715779 DOI: 10.1016/j.watres.2017.07.023] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/17/2017] [Revised: 07/10/2017] [Accepted: 07/11/2017] [Indexed: 06/07/2023]
Abstract
The toxicity of fullerene (C60) to Daphnia magna has been a subject with increasing concerns. Nevertheless, the underlying mechanisms are still poorly understood. In the present study, we evaluated various aspects of the toxicological impacts of C60 on daphnia. After a 72-h exposure, the 50% effective concentration of C60 was 14.9 mg/L for immobilization, and 16.3 mg/L for mortality. Daphnia exhibited a quick uptake of C60 with a body burden value of 413 μg/g in wet weight in the 1 mg/L C60 treatment group. Transmission electron microscopy observations revealed that C60 had mainly accumulated in the guts of organisms. The feeding rate, gut ultra-structural alterations, and digestive enzyme activities of daphnia in response to C60 treatment were evaluated. The results revealed a significant reduction in the digestion and filtration rates, as well as gut impairment and inhibition of digestive enzymes (cellulose, amylase, trypsin, and β-galactosidase) activity of C60 exposed daphnia. In addition, the changes in superoxide dismutase (SOD) and malondialdehyde (MDA) levels in daphnia under C60 exposures were also discovered. These results, for the first time, provide systematic evidence that C60 caused a restriction in energy acquisition and increased oxidative damage in daphnia, which might be related to the bioaccumulation of C60 and finally led to the immobility and mortality.
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Affiliation(s)
- Xiaohui Lv
- Shenzhen Graduate School, Harbin Institute of Technology, Shenzhen, 518055, PR China; Graduate School at Shenzhen, Tsinghua University, Shenzhen, 518055, PR China
| | - Boming Huang
- Graduate School at Shenzhen, Tsinghua University, Shenzhen, 518055, PR China
| | - Xiaoshan Zhu
- Graduate School at Shenzhen, Tsinghua University, Shenzhen, 518055, PR China.
| | - Yuelu Jiang
- Graduate School at Shenzhen, Tsinghua University, Shenzhen, 518055, PR China
| | - Baiyang Chen
- Shenzhen Graduate School, Harbin Institute of Technology, Shenzhen, 518055, PR China
| | - Yi Tao
- Graduate School at Shenzhen, Tsinghua University, Shenzhen, 518055, PR China
| | - Jin Zhou
- Graduate School at Shenzhen, Tsinghua University, Shenzhen, 518055, PR China
| | - Zhonghua Cai
- Graduate School at Shenzhen, Tsinghua University, Shenzhen, 518055, PR China
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35
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Nica IC, Stan MS, Popa M, Chifiriuc MC, Pircalabioru GG, Lazar V, Dumitrescu I, Diamandescu L, Feder M, Baibarac M, Cernea M, Maraloiu VA, Popescu T, Dinischiotu A. Development and Biocompatibility Evaluation of Photocatalytic TiO₂/Reduced Graphene Oxide-Based Nanoparticles Designed for Self-Cleaning Purposes. NANOMATERIALS (BASEL, SWITZERLAND) 2017; 7:E279. [PMID: 28925946 PMCID: PMC5618390 DOI: 10.3390/nano7090279] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/04/2017] [Revised: 09/11/2017] [Accepted: 09/14/2017] [Indexed: 11/16/2022]
Abstract
Graphene is widely used in nanotechnologies to amplify the photocatalytic activity of TiO₂, but the development of TiO₂/graphene composites imposes the assessment of their risk to human and environmental health. Therefore, reduced graphene oxide was decorated with two types of TiO₂ particles co-doped with 1% iron and nitrogen, one of them being obtained by a simultaneous precipitation of Ti3+ and Fe3+ ions to achieve their uniform distribution, and the other one after a sequential precipitation of these two cations for a higher concentration of iron on the surface. Physico-chemical characterization, photocatalytic efficiency evaluation, antimicrobial analysis and biocompatibility assessment were performed for these TiO₂-based composites. The best photocatalytic efficiency was found for the sample with iron atoms localized at the sample surface. A very good anti-inhibitory activity was obtained for both samples against biofilms of Gram-positive and Gram-negative strains. Exposure of human skin and lung fibroblasts to photocatalysts did not significantly affect cell viability, but analysis of oxidative stress showed increased levels of carbonyl groups and advanced oxidation protein products for both cell lines after 48 h of incubation. Our findings are of major importance by providing useful knowledge for future photocatalytic self-cleaning and biomedical applications of graphene-based materials.
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Affiliation(s)
- Ionela Cristina Nica
- Department of Biochemistry and Molecular Biology, Faculty of Biology, University of Bucharest, 91-95 Splaiul Independentei, 050095 Bucharest, Romania.
| | - Miruna S Stan
- Department of Biochemistry and Molecular Biology, Faculty of Biology, University of Bucharest, 91-95 Splaiul Independentei, 050095 Bucharest, Romania.
| | - Marcela Popa
- Department of Botanic-Microbiology, Faculty of Biology, University of Bucharest, 1-3 Aleea Portocalelor, 060101 Bucharest, Romania.
- Research Institute of the University of Bucharest-ICUB, University of Bucharest, 91-95 Splaiul Independentei, 050095 Bucharest, Romania.
| | - Mariana Carmen Chifiriuc
- Department of Botanic-Microbiology, Faculty of Biology, University of Bucharest, 1-3 Aleea Portocalelor, 060101 Bucharest, Romania.
- Research Institute of the University of Bucharest-ICUB, University of Bucharest, 91-95 Splaiul Independentei, 050095 Bucharest, Romania.
| | - Gratiela G Pircalabioru
- Department of Botanic-Microbiology, Faculty of Biology, University of Bucharest, 1-3 Aleea Portocalelor, 060101 Bucharest, Romania.
- Research Institute of the University of Bucharest-ICUB, University of Bucharest, 91-95 Splaiul Independentei, 050095 Bucharest, Romania.
| | - Veronica Lazar
- Department of Botanic-Microbiology, Faculty of Biology, University of Bucharest, 1-3 Aleea Portocalelor, 060101 Bucharest, Romania.
| | - Iuliana Dumitrescu
- National R&D Institute for Textiles and Leather Bucharest (INCDTP), 16 Lucretiu Patrascanu, 030508 Bucharest, Romania.
| | - Lucian Diamandescu
- National Institute of Materials Physics (NIMP), Atomistilor 405A, 077125 Bucharest-Magurele, Romania.
| | - Marcel Feder
- National Institute of Materials Physics (NIMP), Atomistilor 405A, 077125 Bucharest-Magurele, Romania.
| | - Mihaela Baibarac
- National Institute of Materials Physics (NIMP), Atomistilor 405A, 077125 Bucharest-Magurele, Romania.
| | - Marin Cernea
- National Institute of Materials Physics (NIMP), Atomistilor 405A, 077125 Bucharest-Magurele, Romania.
| | - Valentin Adrian Maraloiu
- National Institute of Materials Physics (NIMP), Atomistilor 405A, 077125 Bucharest-Magurele, Romania.
| | - Traian Popescu
- National Institute of Materials Physics (NIMP), Atomistilor 405A, 077125 Bucharest-Magurele, Romania.
| | - Anca Dinischiotu
- Department of Biochemistry and Molecular Biology, Faculty of Biology, University of Bucharest, 91-95 Splaiul Independentei, 050095 Bucharest, Romania.
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Hu Q, Guo F, Zhao F, Fu Z. Effects of titanium dioxide nanoparticles exposure on parkinsonism in zebrafish larvae and PC12. CHEMOSPHERE 2017; 173:373-379. [PMID: 28129614 DOI: 10.1016/j.chemosphere.2017.01.063] [Citation(s) in RCA: 50] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/29/2016] [Revised: 01/10/2017] [Accepted: 01/11/2017] [Indexed: 05/09/2023]
Abstract
Nanomaterials hold significant potential for industrial and biomedical application these years. Therefore, the relationship between nanoparticles and neurodegenerative disease is of enormous interest. In this contribution, zebrafish embryos and PC12 cell lines were selected for studying neurotoxicity of titanium dioxide nanoparticles (TiO2 NPs). After exposure of different concentrations of TiO2 NPs to embryos from fertilization to 96 hpf, the hatching time of zebrafish was decreased, accompanied by an increase in malformation rate. However, no significant increases in mortality relative to control were observed. These results indicated that TiO2 NPs exposure hold a risk for premature of zebrafish embryos, but not fatal. The further investigation confirmed that TiO2 NPs could accumulate in the brain of zebrafish larvae, resulting in reactive oxygen species (ROS) generation and cell death of hypothalamus. Meanwhile, q-PCR analysis showed that TiO2 NPs exposure increased the pink1, parkin, α-syn and uchl1 gene expression, which are related with the formation of Lewy bodies. We also observed loss of dopaminergic neurons in zebrafish and in vitro. These remarkable hallmarks are all linked to these Parkinson's disease (PD) symptoms. Our results indicate that TiO2NPs exposure induces neurotoxicity in vivo and in vitro, which poses a significant risk factor for the development of PD.
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Affiliation(s)
- Qinglian Hu
- College of Biotechnology and Bioengineering, Zhejiang University of Technology, Hangzhou 310032, China
| | - Fengliang Guo
- College of Biotechnology and Bioengineering, Zhejiang University of Technology, Hangzhou 310032, China
| | - Fenghui Zhao
- College of Biotechnology and Bioengineering, Zhejiang University of Technology, Hangzhou 310032, China
| | - Zhengwei Fu
- College of Biotechnology and Bioengineering, Zhejiang University of Technology, Hangzhou 310032, China.
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Liu X, Shi Y, Dong Y, Li H, Xia Y, Wang H. A facile solvothermal approach for the synthesis of novel W-doped TiO2 nanoparticles/reduced graphene oxide composites with enhanced photodegradation performance under visible light irradiation. NEW J CHEM 2017. [DOI: 10.1039/c7nj02320k] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
W-Doped TiO2 nanoparticles/reduced graphene oxide composites have been synthesized for the first time. The mechanism of their high photocatalytic activity for MB has been identified and discussed.
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Affiliation(s)
- Xiang Liu
- The Laboratory of Food Colloids and Biotechnology
- Ministry of Education
- School of Chemical and Material Engineering
- Jiangnan University
- Wuxi 214122
| | - Yidan Shi
- The Laboratory of Food Colloids and Biotechnology
- Ministry of Education
- School of Chemical and Material Engineering
- Jiangnan University
- Wuxi 214122
| | - Yuming Dong
- The Laboratory of Food Colloids and Biotechnology
- Ministry of Education
- School of Chemical and Material Engineering
- Jiangnan University
- Wuxi 214122
| | - Hexing Li
- The Key Laboratory of the Chinese Ministry of Education in Resource Chemistry
- Shanghai Normal University
- Shanghai 200234
- P. R. China
| | - Yongmei Xia
- The Laboratory of Food Colloids and Biotechnology
- Ministry of Education
- School of Chemical and Material Engineering
- Jiangnan University
- Wuxi 214122
| | - Haijun Wang
- The Laboratory of Food Colloids and Biotechnology
- Ministry of Education
- School of Chemical and Material Engineering
- Jiangnan University
- Wuxi 214122
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38
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Friehs E, AlSalka Y, Jonczyk R, Lavrentieva A, Jochums A, Walter JG, Stahl F, Scheper T, Bahnemann D. Toxicity, phototoxicity and biocidal activity of nanoparticles employed in photocatalysis. JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY C-PHOTOCHEMISTRY REVIEWS 2016. [DOI: 10.1016/j.jphotochemrev.2016.09.001] [Citation(s) in RCA: 70] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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39
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Jeong CB, Won EJ, Kang HM, Lee MC, Hwang DS, Hwang UK, Zhou B, Souissi S, Lee SJ, Lee JS. Microplastic Size-Dependent Toxicity, Oxidative Stress Induction, and p-JNK and p-p38 Activation in the Monogonont Rotifer (Brachionus koreanus). ENVIRONMENTAL SCIENCE & TECHNOLOGY 2016; 50:8849-57. [PMID: 27438693 DOI: 10.1021/acs.est.6b01441] [Citation(s) in RCA: 687] [Impact Index Per Article: 85.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/18/2023]
Abstract
In this study, we evaluated accumulation and adverse effects of ingestion of microplastics in the monogonont rotifer (Brachionus koreanus). The dependence of microplastic toxicity on particle size was investigated by measuring several in vivo end points and studying the ingestion and egestion using 0.05-, 0.5-, and 6-μm nonfunctionalized polystyrene microbeads. To identify the defense mechanisms activated in response to microplastic exposure, the activities of several antioxidant-related enzymes and the phosphorylation status of mitogen-activated protein kinases (MAPKs) were determined. Exposure to polystyrene microbeads of all sizes led to significant size-dependent effects, including reduced growth rate, reduced fecundity, decreased lifespan and longer reproduction time. Rotifers exposed to 6-μm fluorescently labeled microbeads exhibited almost no fluorescence after 24 h, while rotifers exposed to 0.05- and 0.5-μm fluorescently labeled microbeads displayed fluorescence until 48 h, suggesting that 6-μm microbeads are more effectively egested from B. koreanus than 0.05- or 0.5-μm microbeads. This observation provides a potential explanation for our findings that microbead toxicity was size-dependent and smaller microbeads were more toxic. In vitro tests revealed that antioxidant-related enzymes and MAPK signaling pathways were significantly activated in response to microplastic exposure in a size-dependent manner.
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Affiliation(s)
- Chang-Bum Jeong
- Department of Biological Science, College of Science, Sungkyunkwan University , Suwon 16419, South Korea
- Department of Chemistry, College of Natural Sciences, Hanyang University , Seoul 04763, South Korea
| | - Eun-Ji Won
- Department of Biological Science, College of Science, Sungkyunkwan University , Suwon 16419, South Korea
- Marine Chemistry and Geochemistry Research Center, Korea Institute of Ocean Science and Technology , Ansan 15627, South Korea
| | - Hye-Min Kang
- Department of Biological Science, College of Science, Sungkyunkwan University , Suwon 16419, South Korea
| | - Min-Chul Lee
- Department of Biological Science, College of Science, Sungkyunkwan University , Suwon 16419, South Korea
| | - Dae-Sik Hwang
- Department of Biological Science, College of Science, Sungkyunkwan University , Suwon 16419, South Korea
| | - Un-Ki Hwang
- Marine Ecological Risk Assessment Center, West Sea Fisheries Research Institute, National Fisheries Research & Development Institute, Incheon 46083, South Korea
| | - Bingsheng Zhou
- State Key Laboratory of Freshwater Ecology and Biotechnology, Institute of Hydrobiology, Chinese Academy of Sciences , Wuhan 430072, China
| | - Sami Souissi
- Université de Lille, CNRS, Université Littoral Cote d'Opale , UMR 8187, LOG, Laboratoire d'Océanologie et de Géosciences, F 62930 Wimereux, France
| | - Su-Jae Lee
- Department of Life Sciences, College of Natural Sciences, Hanyang University , Seoul 04763, South Korea
| | - Jae-Seong Lee
- Department of Biological Science, College of Science, Sungkyunkwan University , Suwon 16419, South Korea
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40
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Jovanović B, Milošević D, Piperac MS, Savić A. In situ effects of titanium dioxide nanoparticles on community structure of freshwater benthic macroinvertebrates. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2016; 213:278-282. [PMID: 26924756 DOI: 10.1016/j.envpol.2016.02.024] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/18/2015] [Revised: 12/23/2015] [Accepted: 02/12/2016] [Indexed: 06/05/2023]
Abstract
For the first time in the current literature, the effect of titanium dioxide (TiO2) nanoparticles on the community structure of macroinvertebrates has been investigated in situ. Macroinvertebrates were exposed for 100 days to an environmentally relevant concentration of TiO2 nanoparticles, 25 mg kg(-1) in sediment. Czekanowski's index was 0.61, meaning 39% of the macroinvertebrate community structure was affected by the TiO2 treatment. Non-metric multidimensional scaling (NMDS) visualized the qualitative and quantitative variability of macroinvertebrates at the community level among all samples. A distance-based permutational multivariate analysis of variance (PERMANOVA) revealed the significant effect of TiO2 on the macroinvertebrate community structure. The indicator value analysis showed that the relative frequency and abundance of Planorbarius corneus and Radix labiata were significantly lower in the TiO2 treatment than in the control. Meanwhile, Ceratopogonidae, showed a significantly higher relative frequency and abundance in the TiO2 treatment than in the control.
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Affiliation(s)
- Boris Jovanović
- Chair for Fish Diseases and Fisheries Biology, Faculty of Veterinary Medicine, Ludwig Maximilian University of Munich (LMU), Munich, Germany; Center for Nanoscience (CeNS), LMU, Munich, Germany.
| | - Djuradj Milošević
- Department of Biology and Ecology, Faculty of Sciences and Mathematics, University of Niš, Niš, Serbia
| | - Milica Stojković Piperac
- Department of Biology and Ecology, Faculty of Sciences and Mathematics, University of Niš, Niš, Serbia
| | - Ana Savić
- Department of Biology and Ecology, Faculty of Sciences and Mathematics, University of Niš, Niš, Serbia
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41
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Jovanović B, Bezirci G, Çağan AS, Coppens J, Levi EE, Oluz Z, Tuncel E, Duran H, Beklioğlu M. Food web effects of titanium dioxide nanoparticles in an outdoor freshwater mesocosm experiment. Nanotoxicology 2016; 10:902-12. [DOI: 10.3109/17435390.2016.1140242] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Affiliation(s)
- Boris Jovanović
- Faculty of Veterinary Medicine, Chair for Fish Diseases and Fisheries Biology, Ludwig Maximilian University of Munich (LMU), Munich, Germany,
- Center for Nanoscience (CeNS), LMU, Munich, Germany,
| | - Gizem Bezirci
- Department of Biology, Middle East Technical University, Ankara, Turkey,
| | - Ali Serhan Çağan
- Department of Biology, Middle East Technical University, Ankara, Turkey,
| | - Jan Coppens
- Department of Biology, Middle East Technical University, Ankara, Turkey,
| | - Eti E. Levi
- Department of Biology, Middle East Technical University, Ankara, Turkey,
| | - Zehra Oluz
- Department of Materials Science and Nanotechnology Engineering, TOBB University of Economics and Technology, Ankara, Turkey, and
| | - Eylül Tuncel
- Department of Materials Science and Nanotechnology Engineering, TOBB University of Economics and Technology, Ankara, Turkey, and
| | - Hatice Duran
- Department of Materials Science and Nanotechnology Engineering, TOBB University of Economics and Technology, Ankara, Turkey, and
| | - Meryem Beklioğlu
- Department of Biology, Middle East Technical University, Ankara, Turkey,
- Kemal Kurdaş Ecological Research and Training Stations, Lake Eymir, Middle East Technical University, Ankara, Turkey
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42
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Li S, Ma H, Wallis LK, Etterson MA, Riley B, Hoff DJ, Diamond SA. Impact of natural organic matter on particle behavior and phototoxicity of titanium dioxide nanoparticles. THE SCIENCE OF THE TOTAL ENVIRONMENT 2016; 542:324-333. [PMID: 26519592 DOI: 10.1016/j.scitotenv.2015.09.141] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/02/2015] [Revised: 09/27/2015] [Accepted: 09/27/2015] [Indexed: 06/05/2023]
Abstract
Due to their inherent phototoxicity and inevitable environmental release, titanium dioxide nanoparticles (nano-TiO2) are increasingly studied in the field of aquatic toxicology. One of the particular interests is the interactions between nano-TiO2 and natural organic matter (NOM). In this study, a series of experiments was conducted to study the impacts of Suwannee River natural organic matter (SRNOM) on phototoxicity and particle behaviors of nano-TiO2. For Daphnia magna, after the addition of 5mg/L SRNOM, LC50 value decreased significantly from 1.03 (0.89-1.20) mg/L to 0.26 (0.22-0.31) mg/L. For zebrafish larvae, phototoxic LC50 values were 39.9 (95% CI, 25.9-61.2) mg/L and 26.3 (95% CI, 18.3-37.8) mg/L, with or without the presence of 5mg/L SRNOM, respectively. There was no statistically significant change of these LC50 values. The impact of SRNOM on phototoxicity of nano-TiO2 was highly dependent on test species, with D. magna being the more sensitive species. The impact on particle behavior was both qualitatively and quantitatively examined. A global predictive model for particle behavior was developed with a three-way interaction of SRNOM, TiO2 concentration, and time and an additive effect of ionic strength. Based on power analyses, 96-h exposure in bioassays was recommended for nanoparticle-NOM interaction studies. The importance of reactive oxygen species (ROS) quenching of SRNOM was also systematically studied using a novel exposure system that isolates the effects of environmental factors. These experiments were conducted with minimal impacts of other important interaction mechanisms (NOM particle stabilization, NOM UV attenuation, and NOM photosensitization). This study highlighted both the particle stabilization and ROS quenching effects of NOM on nano-TiO2 in an aquatic system. There is an urgent need for representative test materials, together with key environmental factors, for future risk assessment and regulations of nanomaterials.
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Affiliation(s)
- Shibin Li
- U.S. Environmental Protection Agency, Office of Research and Development, National Health and Environmental Effects Research Laboratory, Mid-Continent Ecology Division, Duluth, MN, USA.
| | - Hongbo Ma
- Zilber School of Public Health, University of Wisconsin-Milwaukee, Milwaukee, WI 53201, USA
| | - Lindsay K Wallis
- U.S. Environmental Protection Agency, Office of Research and Development, National Health and Environmental Effects Research Laboratory, Mid-Continent Ecology Division, Duluth, MN, USA
| | - Matthew A Etterson
- U.S. Environmental Protection Agency, Office of Research and Development, National Health and Environmental Effects Research Laboratory, Mid-Continent Ecology Division, Duluth, MN, USA
| | - Benjamin Riley
- U.S. Environmental Protection Agency, Office of Research and Development, National Health and Environmental Effects Research Laboratory, Mid-Continent Ecology Division, Duluth, MN, USA
| | - Dale J Hoff
- U.S. Environmental Protection Agency, Office of Research and Development, National Health and Environmental Effects Research Laboratory, Mid-Continent Ecology Division, Duluth, MN, USA
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43
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Boran H, Ulutas G. Genotoxic effects and gene expression changes in larval zebrafish after exposure to ZnCl2 and ZnO nanoparticles. DISEASES OF AQUATIC ORGANISMS 2016; 117:205-214. [PMID: 26758654 DOI: 10.3354/dao02943] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
Engineered nanoparticles (NPs) can potentially generate adverse effects at the tissue, organ, cellular, subcellular, DNA, and protein levels due to their unique physico-chemical properties. Dissoluble NPs (e.g. nZnO) can be toxic in aquatic organisms. We compared effects of nZnO and corresponding concentrations of released Zn(II) by water-soluble ZnCl(2) on larval zebrafish Danio rerio (72 h post fertilization) by analyzing changes in expression levels of stress-related genes (p53, rad51, mt2) by qRT-PCR. Additionally, genotoxicity of nZnO and Zn(II) was assessed. The lethal concentrations for 50% mortality (LC(50)) in larval zebrafish exposed for 96 h to 0 to 70 mg l(-1) nZnO and Zn(II) were 21.37 ± 1.81 mg l(-1) (95% CI) and 4.66 ± 0.11 mg l(-1), respectively. A concentration-dependent increase in DNA strand breaks was detected in cells from larvae exposed (96 h) to nZnO and Zn(II). DNA damage was higher in Zn(II)- than nZnO-exposed larvae. Induction of stress-related genes in larvae was complex and was not directly related to nZnO and Zn(II) concentrations, although there was significant induction in the mt2 gene of larvae exposed to Zn(II) and nZnO relative to controls. mt2 induction of 20.5 ± 1.9-fold and 2.5 ± 0.8-fold change (mean ± SEM) was observed in larvae at the highest Zn(II) and nZnO concentrations (3 and 6 mg l(-1)), respectively. The results suggest that toxicity associated with nZnO is primarily due to the release of Zn(II).
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Affiliation(s)
- Halis Boran
- Recep Tayyip Erdoğan University, Faculty of Fisheries, 53100 Rize, Turkey
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44
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Wyrwoll AJ, Lautenschläger P, Bach A, Hellack B, Dybowska A, Kuhlbusch TAJ, Hollert H, Schäffer A, Maes HM. Size matters--The phototoxicity of TiO2 nanomaterials. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2016; 208:859-867. [PMID: 26613672 DOI: 10.1016/j.envpol.2015.10.035] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/15/2015] [Revised: 10/10/2015] [Accepted: 10/21/2015] [Indexed: 06/05/2023]
Abstract
Under solar radiation several titanium dioxide nanoparticles (nano-TiO2) are known to be phototoxic for daphnids. We investigated the influence of primary particle size (10, 25, and 220 nm) and ionic strength (IS) of the test medium on the acute phototoxicity of anatase TiO2 particles to Daphnia magna. The intermediate sized particles (25 nm) showed the highest phototoxicity followed by the 10 nm and 220 nm sized particles (median effective concentrations (EC50): 0.53, 1.28, 3.88 mg/L). Photoactivity was specified by differentiating free OH radicals (therephthalic acid method) and on the other hand surface adsorbed, as well as free OH, electron holes, and O2(-) (electron paramagnetic resonance spectroscopy, EPR). We show that the formation of free OH radicals increased with a decrease in primary particle size (terephthalic acid method), whereas the total measured ROS content was highest at an intermediate particle size of 25 nm, which consequently revealed the highest photoxicity. The photoactivities of the 10 and 220 nm particles as measured by EPR were comparable. We suggest that phototoxicity depends additionally on the particle-daphnia interaction area, which explains the higher photoxicity of the 10 nm particles compared to the 220 nm particles. Thus, phototoxicity is a function of the generation of different ROS and the particle-daphnia interaction area, both depending on particle size. Phototoxicity of the 10 nm and 25 nm sized nanoparticles decreased as IS of the test medium increased (EC50: 2.9 and 1.1 mg/L). In conformity with the Derjaguin-Landau-Verwey-Overbeek (DLVO) theory we suggest that the precipitation of nano-TiO2 was more pronounced in high than in low IS medium, causing a lower phototoxicity. In summary, primary particle size and IS of the medium were identified as factors influencing phototoxicity of anatase nano-TiO2 to D. magna.
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Affiliation(s)
- Anne J Wyrwoll
- Department of Environmental Biology and Chemodynamics, Institute for Environmental Research, RWTH-Aachen University, Worringerweg 1, 52074 Aachen, Germany.
| | - Petra Lautenschläger
- Department of Environmental Biology and Chemodynamics, Institute for Environmental Research, RWTH-Aachen University, Worringerweg 1, 52074 Aachen, Germany.
| | - Alexander Bach
- Department of Environmental Biology and Chemodynamics, Institute for Environmental Research, RWTH-Aachen University, Worringerweg 1, 52074 Aachen, Germany.
| | - Bryan Hellack
- Institute for Energy and Environmental Technology e.V., Bliersheimer Str. 58-60, 47229 Duisburg, Germany.
| | | | - Thomas A J Kuhlbusch
- Institute for Energy and Environmental Technology e.V., Bliersheimer Str. 58-60, 47229 Duisburg, Germany.
| | - Henner Hollert
- Department of Ecosystem Analysis, Institute for Environmental Research, RWTH-Aachen University, Worringerweg 1, 52074 Aachen, Germany; College of Resources and Environmental Science, Chongqing University, 1 Tiansheng Road, Beibei, Chongqing 400715, China; College of Environmental Science and Engineering and State Key Laboratory of Pollution Control and Resource Reuse, Tongji University, 1239 Siping Road, Shanghai, China; State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, China.
| | - Andreas Schäffer
- Department of Environmental Biology and Chemodynamics, Institute for Environmental Research, RWTH-Aachen University, Worringerweg 1, 52074 Aachen, Germany; College of Resources and Environmental Science, Chongqing University, 1 Tiansheng Road, Beibei, Chongqing 400715, China; State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, China.
| | - Hanna M Maes
- Department of Environmental Biology and Chemodynamics, Institute for Environmental Research, RWTH-Aachen University, Worringerweg 1, 52074 Aachen, Germany.
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45
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Hua Z, Zhang J, Bai X, Ye Z, Tang Z, Liang L, Liu Y. Aggregation of TiO2-graphene nanocomposites in aqueous environment: Influence of environmental factors and UV irradiation. THE SCIENCE OF THE TOTAL ENVIRONMENT 2016; 539:196-205. [PMID: 26360460 DOI: 10.1016/j.scitotenv.2015.08.143] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/26/2015] [Revised: 08/28/2015] [Accepted: 08/29/2015] [Indexed: 05/25/2023]
Abstract
The aggregation kinetics of TiO2-graphene nanocomposites in aqueous solution affected by solution pH, salt types (NaCl, CaCl2) and concentrations of electrolytes, and stability induced by UV irradiation was investigated in this study. The zeta potentials and hydrodynamic diameter of the nanoparticles were used as bases to assess the aggregation behavior, and stability of nanocomposites exposed to UV irradiation was expressed in terms of supernatant concentration. The aggregation of TiO2-graphene nanoparticles in aqueous media followed the colloidal theory. TiO2-graphene nanoparticles were significantly aggregated in the presence of a diavalent cation compared with monovalent cation because the former was more capable of effective charge screening and neutralization. The calculated Hamaker constant of the TiO2-graphene nanocomposites in aqueous solution prepared in the lab was 2.31×10(-20)J. The stability of this composite nanoparticles was between those of pure TiO2 and graphene. A known intensity of UV irradiation was beneficial in the formation of TiO2-graphene nanoparticle aggregates. However, prolonged UV irradiation may stabilize the nanoparticles. These results provided critical information about the colloidal properties of the new TiO2-graphene nanocomposites and were useful in predicting the fate and transport of TiO2-graphene nanocomposites in natural water environments.
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Affiliation(s)
- Zulin Hua
- Key Laboratory of Integrated Regulation and Resource Development on Shallow Lake of Ministry of Education, College of Environment, Hohai University, Nanjing 210098, China
| | - Jianan Zhang
- Key Laboratory of Integrated Regulation and Resource Development on Shallow Lake of Ministry of Education, College of Environment, Hohai University, Nanjing 210098, China
| | - Xue Bai
- Key Laboratory of Integrated Regulation and Resource Development on Shallow Lake of Ministry of Education, College of Environment, Hohai University, Nanjing 210098, China.
| | - Zhengfang Ye
- Key Laboratory of Water and Sediment Sciences of the Ministry of Education, Department of Environmental Engineering, Peking University, Beijing 100871, China
| | - Zhiqiang Tang
- Key Laboratory of Integrated Regulation and Resource Development on Shallow Lake of Ministry of Education, College of Environment, Hohai University, Nanjing 210098, China
| | - Lu Liang
- Key Laboratory of Integrated Regulation and Resource Development on Shallow Lake of Ministry of Education, College of Environment, Hohai University, Nanjing 210098, China
| | - Yuqi Liu
- Key Laboratory of Integrated Regulation and Resource Development on Shallow Lake of Ministry of Education, College of Environment, Hohai University, Nanjing 210098, China
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46
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Xiao J, Xie Y, Cao H, Nawaz F, Zhang S, Wang Y. Disparate roles of doped metal ions in promoting surface oxidation of TiO 2 photocatalysis. J Photochem Photobiol A Chem 2016. [DOI: 10.1016/j.jphotochem.2015.09.013] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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47
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Farkas J, Peter H, Ciesielski TM, Thomas KV, Sommaruga R, Salvenmoser W, Weyhenmeyer GA, Tranvik LJ, Jenssen BM. Impact of TiO₂ nanoparticles on freshwater bacteria from three Swedish lakes. THE SCIENCE OF THE TOTAL ENVIRONMENT 2015; 535:85-93. [PMID: 25813090 DOI: 10.1016/j.scitotenv.2015.03.043] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/27/2015] [Revised: 03/10/2015] [Accepted: 03/10/2015] [Indexed: 06/04/2023]
Abstract
Due to the rapidly rising production and usage of nano-enabled products, aquatic environments are increasingly exposed to engineered nanoparticles (ENPs), causing concerns about their potential negative effects. In this study we assessed the effects of uncoated titanium dioxide nanoparticles (TiO2NPs) on the growth and activity of bacterial communities of three Swedish lakes featuring different chemical characteristics such as dissolved organic carbon (DOC) concentration, pH and elemental composition. TiO2NP exposure concentrations were 15, 100, and 1000 μg L(-1), and experiments were performed in situ under three light regimes: darkness, photosynthetically active radiation (PAR), and ambient sunlight including UV radiation (UVR). The nanoparticles were most stable in lake water with high DOC and low chemical element concentrations. At the highest exposure concentration (1000 μg L(-1) TiO2NP) the bacterial abundance was significantly reduced in all lake waters. In the medium and high DOC lake waters, exposure concentrations of 100 μg L(-1) TiO2NP caused significant reductions in bacterial abundance. The cell-specific bacterial activity was significantly enhanced at high TiO2NP exposure concentrations, indicating the loss of nanoparticle-sensitive bacteria and a subsequent increased activity by tolerant ones. No UV-induced phototoxic effect of TiO2NP was found in this study. We conclude that in freshwater lakes with high DOC and low chemical element concentrations, uncoated TiO2NPs show an enhanced stability and can significantly reduce bacterial abundance at relatively low exposure concentrations.
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Affiliation(s)
- Julia Farkas
- Department of Biology, Norwegian University of Science and Technology, Høgskoleringen 5, 7491 Trondheim, Norway.
| | - Hannes Peter
- Institute of Ecology, University of Innsbruck, Technikerstr. 25, 6020 Innsbruck, Austria
| | - Tomasz M Ciesielski
- Department of Biology, Norwegian University of Science and Technology, Høgskoleringen 5, 7491 Trondheim, Norway
| | - Kevin V Thomas
- Norwegian Institute of Water Research, Gaustadalléen 21, 0349 Oslo, Norway
| | - Ruben Sommaruga
- Institute of Ecology, University of Innsbruck, Technikerstr. 25, 6020 Innsbruck, Austria
| | - Willi Salvenmoser
- Institute of Zoology, University of Innsbruck, Technikerstr. 25, 6020 Innsbruck, Austria
| | - Gesa A Weyhenmeyer
- Department of Ecology and Genetics/Limnology, Uppsala University, PO Box 573, 75123 Uppsala, Sweden
| | - Lars J Tranvik
- Department of Ecology and Genetics/Limnology, Uppsala University, PO Box 573, 75123 Uppsala, Sweden
| | - Bjørn M Jenssen
- Department of Biology, Norwegian University of Science and Technology, Høgskoleringen 5, 7491 Trondheim, Norway
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48
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Li S, Erickson RJ, Wallis LK, Diamond SA, Hoff DJ. Modeling TiO₂ nanoparticle phototoxicity: The importance of chemical concentration, ultraviolet radiation intensity, and time. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2015; 205:327-332. [PMID: 26123721 DOI: 10.1016/j.envpol.2015.06.020] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/03/2015] [Revised: 06/01/2015] [Accepted: 06/03/2015] [Indexed: 06/04/2023]
Abstract
As a semiconductor with wide band gap energy, TiO2 nanoparticles (nano-TiO2) are highly photoactive, and recent efforts have demonstrated phototoxicity of nano-TiO2 to aquatic organisms. However, a dosimetry model for the phototoxicity of nanomaterials that incorporates both direct UV and photo-activated chemical toxicity has not yet been developed. In this study, a set of Hyalella azteca acute toxicity bioassays at multiple light intensities and nano-TiO2 concentrations, and with multiple diel light cycles, was conducted to assess how existing phototoxicity models should be adapted to nano-TiO2. These efforts demonstrated (a) adherence to the Bunsen-Roscoe law for the reciprocity of light intensity and time, (b) no evidence of damage repair during dark periods, (c) a lack of proportionality of effects to environmental nano-TiO2 concentrations, and (d) a need to consider the joint effects of nano-TiO2 phototoxicity and direct UV toxicity.
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Affiliation(s)
- Shibin Li
- U.S. Environmental Protection Agency, Office of Research and Development, National Health and Environmental Effects Research Laboratory, Mid-Continent Ecology Division, Duluth, MN, USA.
| | - Russell J Erickson
- U.S. Environmental Protection Agency, Office of Research and Development, National Health and Environmental Effects Research Laboratory, Mid-Continent Ecology Division, Duluth, MN, USA
| | - Lindsay K Wallis
- U.S. Environmental Protection Agency, Office of Research and Development, National Health and Environmental Effects Research Laboratory, Mid-Continent Ecology Division, Duluth, MN, USA
| | | | - Dale J Hoff
- U.S. Environmental Protection Agency, Office of Research and Development, National Health and Environmental Effects Research Laboratory, Mid-Continent Ecology Division, Duluth, MN, USA
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49
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Enhanced photocatalytic activity of TiO2 by reduced graphene oxide in mineralization of Rhodamine B dye. J IND ENG CHEM 2015. [DOI: 10.1016/j.jiec.2015.04.026] [Citation(s) in RCA: 64] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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50
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Dan Y, Shi H, Stephan C, Liang X. Rapid analysis of titanium dioxide nanoparticles in sunscreens using single particle inductively coupled plasma–mass spectrometry. Microchem J 2015. [DOI: 10.1016/j.microc.2015.04.018] [Citation(s) in RCA: 79] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
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