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Trela-Makowej A, Orzechowska A, Szymańska R. Less is more: The hormetic effect of titanium dioxide nanoparticles on plants. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 910:168669. [PMID: 37989395 DOI: 10.1016/j.scitotenv.2023.168669] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/24/2023] [Revised: 11/08/2023] [Accepted: 11/15/2023] [Indexed: 11/23/2023]
Abstract
Titanium dioxide nanoparticles have attracted considerable attention due to their extensive applications; however, their multifaceted influence on plant physiology and the broader environment remains a complex subject. This review systematically synthesizes recent studies on the hormetic effects of TiO2 nanoparticles on plants - a phenomenon characterized by dual dose-response behavior that impacts various plant functions. It provides crucial insights into the molecular mechanisms underlying these hormetic effects, encompassing their effects on photosynthesis, oxidative stress response and gene regulation. The significance of this article consists in its emphasis on the necessity to establish clear regulatory frameworks and promote international collaboration to standardize the responsible adoption of nano-TiO2 technology within the agricultural sector. The findings are presented with the intention of stimulating interdisciplinary research and serving as an inspiration for further exploration and investigation within this vital and continually evolving field.
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Affiliation(s)
- Agnieszka Trela-Makowej
- Faculty of Physics and Applied Computer Science, AGH University of Krakow, Reymonta 19, 30-059 Kraków, Poland
| | - Aleksandra Orzechowska
- Faculty of Physics and Applied Computer Science, AGH University of Krakow, Reymonta 19, 30-059 Kraków, Poland
| | - Renata Szymańska
- Faculty of Physics and Applied Computer Science, AGH University of Krakow, Reymonta 19, 30-059 Kraków, Poland.
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2
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Klingler S, Bagemihl B, Mengele AK, Kaufhold S, Myllyperkiö P, Ahokas J, Pettersson M, Rau S, Mizaikoff B. Rationalizing In Situ Active Repair in Hydrogen Evolution Photocatalysis via Non-Invasive Raman Spectroscopy. Angew Chem Int Ed Engl 2023; 62:e202306287. [PMID: 37519152 DOI: 10.1002/anie.202306287] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2023] [Revised: 07/25/2023] [Accepted: 07/25/2023] [Indexed: 08/01/2023]
Abstract
Currently, most photosensitizers and catalysts used in the field of artificial photosynthesis are still based on rare earth metals and should thus be utilized as efficiently and economically as possible. While repair of an inactivated catalyst is a potential mitigation strategy, this remains a challenge. State-of-the-art methods are crucial for characterizing reaction products during photocatalysis and repair, and are currently based on invasive analysis techniques limiting real-time access to the involved mechanisms. Herein, we use an innovative in situ technique for detecting both initially evolved hydrogen and after active repair via advanced non-invasive rotational Raman spectroscopy. This facilitates unprecedently accurate monitoring of gaseous reaction products and insight into the mechanism of active repair during light-driven catalysis enabling the identification of relevant mechanistic details along with innovative repair strategies.
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Affiliation(s)
- Sarah Klingler
- Institute of Analytical and Bioanalytical Chemistry, Ulm University, Albert-Einstein-Allee 11, 89081, Ulm, Germany
| | - Benedikt Bagemihl
- Institute of Inorganic Chemistry I, Ulm University, Albert-Einstein-Allee 11, 89081, Ulm, Germany
| | - Alexander K Mengele
- Institute of Inorganic Chemistry I, Ulm University, Albert-Einstein-Allee 11, 89081, Ulm, Germany
| | - Simon Kaufhold
- Institute of Inorganic Chemistry I, Ulm University, Albert-Einstein-Allee 11, 89081, Ulm, Germany
| | - Pasi Myllyperkiö
- Department of Chemistry, Nanoscience Center, University of Jyväskylä, 40014 University of, Jyväskylä, Finland
| | - Jussi Ahokas
- Department of Chemistry, Nanoscience Center, University of Jyväskylä, 40014 University of, Jyväskylä, Finland
- Financial and Facility Services, University of Jyväskylä, 40014 University of, Jyväskylä, Finland
| | - Mika Pettersson
- Department of Chemistry, Nanoscience Center, University of Jyväskylä, 40014 University of, Jyväskylä, Finland
| | - Sven Rau
- Institute of Inorganic Chemistry I, Ulm University, Albert-Einstein-Allee 11, 89081, Ulm, Germany
| | - Boris Mizaikoff
- Institute of Analytical and Bioanalytical Chemistry, Ulm University, Albert-Einstein-Allee 11, 89081, Ulm, Germany
- Hahn-Schickard, Sedanstraße 4, 89081, Ulm, Germany
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3
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Chen J, Gao J, Liu X, Wang P, Yu X, Zhao F, Sun Y, Feng W, Wang Q. Controllable Phase Transformation and Enhanced Photocatalytic Performance of Nano-TiO 2 by Using Oxalic Acid. NANOMATERIALS (BASEL, SWITZERLAND) 2022; 12:3019. [PMID: 36080062 PMCID: PMC9458251 DOI: 10.3390/nano12173019] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/26/2022] [Revised: 08/20/2022] [Accepted: 08/25/2022] [Indexed: 06/15/2023]
Abstract
Degradation of organic pollutants, especially organic dyes and antibiotics, by semiconductor photocatalysts is an efficient strategy for wastewater treatment. TiO2 nanomaterials are considered to be promising photocatalysts due to their high chemical stability, high efficiency and availability. Anatase TiO2 generally has superior photocatalytic activity to the rutile phase. However, the anatase phase can be irreversibly transformed to rutile phase when calcined at an elevated temperature. Methods to improve the stability of anatase are especially important for the TiO2 gas sensors working at high temperatures. The addition of strong acids can effectively suppress this transformation process. However, these strong acids are relatively expensive, corrosive and environmentally unfriendly. Herein, oxalic acid (OA) as a natural acid was used to control the hydrolysis process of tetrabutyl titanate (TBOT), leading to controllable crystalline phase transformation and reduced crystalline size of TiO2 on the nanoscale. What is more, the photocatalytic degradation performances were enhanced continuously when the molar ratio of OA to TBOT increased. The degradation reaction rate constants of CT650-R25 were about 10 times that of CT650-R0. The mechanism study shows that the enhanced photocatalytic activity can be attributed to the improved dispersibility, increased specific surface area and reduced recombination rates of photo-induced charge carriers and decreased energy bands as the concentration of OA increased. Thus, this work provides a simple, mild and effective method for controlling the crystalline forms of nano-TiO2 with enhanced photocatalytic performance towards waste water treatment.
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Affiliation(s)
- Jiaqi Chen
- School of Mechanical Engineering, Chengdu University, Chengdu 610000, China
| | - Jian Gao
- School of Mechanical Engineering, Chengdu University, Chengdu 610000, China
| | - Xiaoyang Liu
- School of Mechanical Engineering, Chengdu University, Chengdu 610000, China
| | - Pan Wang
- School of Mechanical Engineering, Chengdu University, Chengdu 610000, China
| | - Xue Yu
- School of Mechanical Engineering, Chengdu University, Chengdu 610000, China
| | - Feng Zhao
- Institute for Advanced Materials Deformation and Damage from Multi-Scale, Chengdu University, Chengdu 610106, China
| | - Yan Sun
- School of Mechanical Engineering, Chengdu University, Chengdu 610000, China
| | - Wei Feng
- School of Mechanical Engineering, Chengdu University, Chengdu 610000, China
| | - Qingyuan Wang
- School of Mechanical Engineering, Chengdu University, Chengdu 610000, China
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Liu Z, Rui M, Yu S. Occurrence of titanium dioxide nanoparticle in Taihu Lake (China) and its removal at a full-scale drinking water treatment plant. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2022; 29:23352-23360. [PMID: 34811614 DOI: 10.1007/s11356-021-15775-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/09/2021] [Accepted: 07/29/2021] [Indexed: 06/13/2023]
Abstract
The occurrence of titanium dioxide nanoparticle (TNP), an emerging contaminant, in Taihu Lake of China was investigated. Ti was present at a concentration of 224 ± 59 μg/L in the water samples collected from a water source in east Taihu Lake. Approximately 0.19% of the Ti-containing matter was at the nano-scale. Scanning Electron Microscope analysis verified the existence of Ti-containing components, such as TiOx and FeTiOx. Furthermore, Ti K-edge X-ray absorption near-edge structure spectroscopy was used to detect the phase composition of nano-scaled Ti-containing matter. The spectra showed the three characteristic peaks of TiO2 in the samples, suggesting the occurrence of TNP in Taihu Lake. A least-squares linear combination fitting analysis indicated that the TNP concentration in the water source was ~0.77 μg/L in water and ~0.85 μg/g-dry in sediment. The removal performance of the TNP at a full-scale conventional drinking water treatment plant indicated that ~61% of TNP was removed via coagulation/sediment, sand filtration, and disinfection/clear water reservoir. The coagulation/sediment process accounted for approximately 70% of the total removed TNP. The finished water contained ~ 0.30 μg/L TNP. This study is the first that reported the presence and transport of TNP in a full-scale drinking water treatment system.
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Affiliation(s)
- Zhiyuan Liu
- Shanghai Municipal Engineering Design Institute (Group) Co., LTD., Shanghai, 200092, China
- Shanghai Water Industrial Design Engineering Co., LTD., Shanghai, 200092, China
| | - Min Rui
- Shanghai Municipal Engineering Design Institute (Group) Co., LTD., Shanghai, 200092, China
- Shanghai Water Industrial Design Engineering Co., LTD., Shanghai, 200092, China
| | - Shuili Yu
- State Key Laboratory of Pollution Control and Resources Reuse, Department of Municipal Engineering, College of Environmental Science and Engineering, Tongji University, Shanghai, 200092, China.
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Reyes-Herrera J, Acosta-Slane D, Castillo-Michel H, Pradas del Real AE, Vogel-Mikus K, Benetti F, Roman M, Villanova J, Valles-Aragón MC. Detection and Characterization of TiO 2 Nanomaterials in Sludge from Wastewater Treatment Plants of Chihuahua State, Mexico. NANOMATERIALS 2022; 12:nano12050744. [PMID: 35269232 PMCID: PMC8911657 DOI: 10.3390/nano12050744] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/24/2021] [Revised: 02/09/2022] [Accepted: 02/17/2022] [Indexed: 11/28/2022]
Abstract
TiO2 nanoparticles (TiO2-NPs) have a wide range of industrial applications (paintings, sunscreens, food and cosmetics) and is one of the most intensively used nanomaterials worldwide. Leaching from commercial products TiO2-NPs are predicted to significantly accumulate in wastewater sludges, which are then often used as soil amendment. In this work, sludge samples from four wastewater treatment plants of the Chihuahua State in Mexico were obtained during spring and summer (2017). A comprehensive characterization study was performed by X-ray based (laboratory and synchrotron) techniques and electron microscopy. Ti was detected in all sludge samples (1810–2760 mg/kg) mainly as TiO2 particles ranging from 40 nm up to hundreds of nm. Micro-XANES data was analyzed by principal component analysis and linear combination fitting enabling the identification of three predominant Ti species: anatase, rutile and ilmenite. Micro-XANES from the smaller Ti particles was predominantly anatase (68% + 32% rutile), suggesting these TiO2-NPs originate from paintings and cosmetics. TEM imaging confirmed the presence of nanoscale Ti with smooth surface morphologies resembling engineered TiO2-NPs. The size and crystalline phase of TiO2-NPs in the sludge from this region suggest increased reactivity and potential toxicity to agro-systems. Further studies should be dedicated to evaluating this.
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Affiliation(s)
- Juan Reyes-Herrera
- European Synchrotron Radiation Facility, B.P.220, CEDEX 09, 38043 Grenoble, France; (J.R.-H.); (H.C.-M.); (J.V.)
| | - Damaris Acosta-Slane
- Faculty of Agrotechnological Sciences, Autonomous University of Chihuahua, Campus 1, Pascual Orozco, Chihuahua 31350, Mexico;
| | - Hiram Castillo-Michel
- European Synchrotron Radiation Facility, B.P.220, CEDEX 09, 38043 Grenoble, France; (J.R.-H.); (H.C.-M.); (J.V.)
| | - Ana E. Pradas del Real
- Department Agroenvironmental Research, Madrid’s Institute for Rural Research and Development, Agricultural and Food, Leganitos 47, 28013 Madrid, Spain;
| | - Katarina Vogel-Mikus
- Department of Biology, University of Ljubljana, Večna pot 111, SI-1000 Ljubljana, Slovenia;
- Jozef Stefan Institute, Jamova 39, SI-1000 Ljubljana, Slovenia
| | - Federico Benetti
- EcamRicert Srl, European Centre for the Sustainable Impact of Nanotechnology, Corso Stati Uniti 4, 35127 Padua, Italy;
| | - Marco Roman
- Department of Environmental Sciences Informatics and Statistics, University Ca’ Foscari, Dorsoduro 2137, 30123 Venezia, Italy;
| | - Julie Villanova
- European Synchrotron Radiation Facility, B.P.220, CEDEX 09, 38043 Grenoble, France; (J.R.-H.); (H.C.-M.); (J.V.)
| | - M. Cecilia Valles-Aragón
- Faculty of Agrotechnological Sciences, Autonomous University of Chihuahua, Campus 1, Pascual Orozco, Chihuahua 31350, Mexico;
- Correspondence: ; Tel.: +52-(614)-2396219
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Abdel-Wahhab MA, El-Nekeety AA, Mohammed HE, Elshafey OI, Abdel-Aziem SH, Hassan NS. Elimination of oxidative stress and genotoxicity of biosynthesized titanium dioxide nanoparticles in rats via supplementation with whey protein-coated thyme essential oil. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2021; 28:57640-57656. [PMID: 34089164 DOI: 10.1007/s11356-021-14723-7] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/05/2021] [Accepted: 05/31/2021] [Indexed: 06/12/2023]
Abstract
The green synthesis of metal nanoparticles is growing dramatically; however, the toxicity of these biosynthesized particles against living organisms is not fully explored. Therefore, this study was designed to synthesize and characterize TiO2-NPs, encapsulation and characterization thyme essential oil (ETEO), and determination of the bioactive constituents of ETEO using GC-MS and evaluate their protective role against TiO2-NPs-induced oxidative damage and genotoxicity in rats. Six groups of rats were treated orally for 30 days including the control group, TiO2-NPs (300 mg/kg b.w)-treated group, ETEO at low (50 mg/kg b.w) or high dose (100 mg/kg b.w)-treated groups, and TiO2-NPs plus ETEO at the two doses-treated groups. Blood and tissues were collected for different assays. The GC-MS results indicated the presence of 21 compounds belonging to phenols, terpene derivatives, and heterocyclic compounds. The synthesized TiO2-NPs were 45 nm tetragonal particles with a zeta potential of -27.34 mV; however, ETEO were 119 nm round particles with a zeta potential of -28.33 mV. TiO2-NPs administration disturbs the liver and kidney markers, lipid profile, cytokines, oxidative stress parameters, the apoptotic and antioxidant hepatic mRNA expression, and induced histological alterations in the liver and kidney tissues. ETEO could improve all these parameters in a dose-dependent manner. It could be concluded that ETEO is a promising candidate for the protection against TiO2-NPs and can be applied safely in food applications.
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Affiliation(s)
- Mosaad A Abdel-Wahhab
- Food Toxicology & Contaminants Department, National Research Centre, Dokki, Cairo, Egypt.
| | - Aziza A El-Nekeety
- Food Toxicology & Contaminants Department, National Research Centre, Dokki, Cairo, Egypt
| | - Hagar E Mohammed
- Zoology Department, Faculty of Science, Arish University, Arish, Egypt
| | - Ola I Elshafey
- Physical Chemistry Department, National Research Centre, Dokki, Cairo, Egypt
| | | | - Nabila S Hassan
- Pathology Department, National Research Centre, Dokki, Cairo, Egypt
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7
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A vessel-inside-vessel microwave-assisted digestion method based on SO 3 generation in situ for the mineral determination of fatty samples. Talanta 2021; 226:122094. [PMID: 33676651 DOI: 10.1016/j.talanta.2021.122094] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2020] [Revised: 01/04/2021] [Accepted: 01/05/2021] [Indexed: 11/23/2022]
Abstract
Vessel-inside-vessel microwave-assisted acid digestion was developed for the analysis of samples with high-unsaturated fat content. For the first time, thermal decomposition of (NH4)2S2O8 solutions was evidenced for SO3 generation in situ and gas-phase modification in pressurized digestion flasks. NMR analysis demonstrated the oxidative effect of SO3 on olefin double bonds despite incomplete mineralization of oil samples. In this context, (NH4)2S2O8 decomposition was used in association with HNO3 solutions for sample digestion and mineral determination in edible oils (safflower, coconut, flaxseed, and chia). For all oils, dissolved organic carbon (DOC) contents lower than 5% m m-1 were obtained under optimum conditions: 210 °C with an irradiation time of 40 min, 7.0 mol L-1 HNO3 and 2.0 mol L-1 (NH4)2S2O8 in 0.9 mol L-1 H2SO4. Thus, a DOC reduction of about 70% was reached compared to digestions using only HNO3 at the same conditions. Additionally, a time reduction of up to three-fold was achieved compared to typically demanding edible oil digestions. The proposed method allowed the determination of As, Cd, Cr, Mn, Ni, and Pb in edible vegetable oil samples by ICP-MS. Accuracy was evaluated against the reference method, and no significant difference was observed (p = 0.05), with wide linear ranges and good linearity (r ≥ 0.999) and LOD ranging from 0.48 (As) to 2.41 (Cd) μg L-1.
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8
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Finding Nano: Challenges Involved in Monitoring the Presence and Fate of Engineered Titanium Dioxide Nanoparticles in Aquatic Environments. WATER 2021. [DOI: 10.3390/w13050734] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
In recent years, titanium dioxide (TiO2) has increasingly been used as an inorganic ultraviolet (UV) filter for sun protection. However, nano-TiO2 may also pose risks to the health of humans and the environment. Thus, to adequately assess its potential adverse effects, a comprehensive understanding of the behaviour and fate of TiO2 in different environments is crucial. Advances in analytical and modelling methods continue to improve researchers’ ability to quantify and determine the state of nano-TiO2 in various environments. However, due to the complexity of environmental and nanoparticle factors and their interplay, this remains a challenging and poorly resolved feat. This paper aims to provide a focused summary of key particle and environmental characteristics that influence the behaviour and fate of sunscreen-derived TiO2 in swimming pool water and natural aquatic environments and to review the current state-of-the-art of single particle inductively coupled plasma mass spectrometry (SP-ICP-MS) approaches to detect and characterise TiO2 nanoparticles in aqueous media. Furthermore, it critically analyses the capability of existing fate and transport models to predict environmental TiO2 levels. Four particle and environmental key factors that govern the fate and behaviour of TiO2 in aqueous environments are identified. A comparison of SP-ICP-MS studies reveals that it remains challenging to detect and characterise engineered TiO2 nanoparticles in various matrices and highlights the need for the development of new SP-ICP-MS pre-treatment and analysis approaches. This review shows that modelling studies are an essential addition to experimental studies, but they still lack in spatial and temporal resolution and mostly exclude surface transformation processes. Finally, this study identifies the use of Bayesian Network-based models as an underexplored but promising modelling tool to overcome data uncertainties and incorporates interconnected variables.
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Gu J, Guo M, Huang C, Wang X, Zhu Y, Wang L, Wang Z, Zhou L, Fan D, Shi L, Ji G. Titanium dioxide nanoparticle affects motor behavior, neurodevelopment and axonal growth in zebrafish (Danio rerio) larvae. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 754:142315. [PMID: 33254858 DOI: 10.1016/j.scitotenv.2020.142315] [Citation(s) in RCA: 45] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/07/2020] [Revised: 09/05/2020] [Accepted: 09/07/2020] [Indexed: 06/12/2023]
Abstract
More attention has been recently paid to the ecotoxicity of titanium dioxide nanoparticles (nano-TiO2) owing to its common use in many fields. Although previous studies have shown that nano-TiO2 is neurotoxic, the mechanism is still largely unknown. In the present study, zebrafish embryos were exposed to 0.01, 0.1, and 1.0 mg/L nano-TiO2 and 1.0 mg/L micro-TiO2 for up to 6 days post-fertilization (dpf). Exposure to 1.0 mg/L nano-TiO2 significantly decreased the body length and weight of zebrafish larvae; however, the hatching and mortality rate of zebrafish embryos did not change. Behavioral tests showed that nano-TiO2 exposure significantly reduced the swimming speed and clockwise rotation times of the larvae. The results revealed that nano-TiO2 treatment adversely affected motor neuron axon length in Tg (hb9-GFP) zebrafish and decreased central nervous system (CNS) neurogenesis in Tg (HuC-GFP) zebrafish. Additionally, real-time polymerase chain reaction analysis demonstrated that genes associated with neurogenesis (nrd and elavl3) and axonal growth (α1-tubulin, mbp, and gap43) were significantly affected by nano-TiO2 exposure. In conclusion, our study demonstrated that early-life stage exposure of zebrafish to nano-TiO2 causes adverse neural outcomes through the inhibition of neurodevelopment and motor neuron axonal growth.
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Affiliation(s)
- Jie Gu
- Nanjing Institute of Environmental Sciences, Ministry of Ecology and Environment, Nanjing 210042, China
| | - Min Guo
- Nanjing Institute of Environmental Sciences, Ministry of Ecology and Environment, Nanjing 210042, China
| | - Caoxing Huang
- Co-Innovation Center for Efficient Processing and Utilization of Forest Resources, College of Chemical Engineering, Nanjing Forestry University, Longpan Road 159, Nanjing 210037, China
| | - Xi Wang
- Key Laboratory of Modern Toxicology, Ministry of Education, School of Public Health, Nanjing Medical University, Nanjing 211166, China
| | - Yuanhui Zhu
- Key Laboratory of Modern Toxicology, Ministry of Education, School of Public Health, Nanjing Medical University, Nanjing 211166, China
| | - Lei Wang
- Nanjing Institute of Environmental Sciences, Ministry of Ecology and Environment, Nanjing 210042, China
| | - Zhen Wang
- Nanjing Institute of Environmental Sciences, Ministry of Ecology and Environment, Nanjing 210042, China
| | - Linjun Zhou
- Nanjing Institute of Environmental Sciences, Ministry of Ecology and Environment, Nanjing 210042, China
| | - Deling Fan
- Nanjing Institute of Environmental Sciences, Ministry of Ecology and Environment, Nanjing 210042, China
| | - Lili Shi
- Nanjing Institute of Environmental Sciences, Ministry of Ecology and Environment, Nanjing 210042, China.
| | - Guixiang Ji
- Nanjing Institute of Environmental Sciences, Ministry of Ecology and Environment, Nanjing 210042, China.
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Rak D, Sedlák M. Comment on "Bulk Nanobubbles or Not Nanobubbles: That is the Question". LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2020; 36:15618-15621. [PMID: 33325226 DOI: 10.1021/acs.langmuir.0c01614] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
In a recent article, Jadhav and Barigou ( Langmuir 2020, 36 (7), 1699-1708) investigated the question of the existence of stable bulk nanobubbles in water generated by hydrodynamic cavitation, ultrasound cavitation, and the addition of an organic compound (namely, ethanol) to water. They firmly conclude that these procedures result in stable bulk nanobubbles. However, a number of previous works documented that the nanoentities observed in water upon such procedures are not nanobubbles. Here, we analyze work of Jadhav and Barigou and show that conclusions regarding the nanobubble nature of the nanoentities are incorrect and are due to the choice of experimental techniques with weak sensitivity, methodical issues in the use of otherwise proper experimental techniques, and ambiguous outcomes of the rest of experiments.
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Affiliation(s)
- Dmytro Rak
- Institute of Experimental Physics, Slovak Academy of Sciences, Watsonova 47, 040 01 Košice, Slovakia
| | - Marián Sedlák
- Institute of Experimental Physics, Slovak Academy of Sciences, Watsonova 47, 040 01 Košice, Slovakia
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11
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Adelantado C, Ríos Á, Zougagh M. A new nanometrological strategy for titanium dioxide nanoparticles screening and confirmation in personal care products by CE-spICP-MS. Talanta 2020; 219:121385. [PMID: 32887088 DOI: 10.1016/j.talanta.2020.121385] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2020] [Revised: 07/02/2020] [Accepted: 07/06/2020] [Indexed: 10/23/2022]
Abstract
A new nanometrological approach was developed for screening of titania nanoparticles by capillary electrophoresis after adsorption of a target analyte namely l-cysteine onto the nanoparticles in a sodium phosphate buffer, followed by titanium elemental analysis by means of inductively-coupled plasma-mass spectrometry and size distribution measurements by single-particle mode. This analytical strategy involved a first screening of nanotitania in actual samples by electrophoresis, sensitivity being enhanced by cysteine which acts as a nanoparticles stabiliser. Detection and quantitation limits were 0.31 ng μL-1 and 1.03 ng μL-1 respectively for anatase nanoparticles in capillary electrophoresis, and a high amount of titanium was found in the samples subject to study (lip balm and two types of toothpaste) by total elemental analysis. Besides, the potential of single-particle modality for inductively-coupled plasma-mass spectrometry was exploited for a verification of particle size distribution, then confirming the presence of titanium dioxide nanoparticles as an ingredient in the composition of the real samples and validating the overall strategy herein presented.
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Affiliation(s)
- Carlos Adelantado
- Analytical Chemistry and Food Technology Department, University of Castilla-La Mancha, Camilo José Cela Avenue, E-13005, Ciudad Real, Spain; Regional Institute for Applied Scientific Research, IRICA, Camilo José Cela Avenue, E-13005, Ciudad Real, Spain
| | - Ángel Ríos
- Analytical Chemistry and Food Technology Department, University of Castilla-La Mancha, Camilo José Cela Avenue, E-13005, Ciudad Real, Spain; Regional Institute for Applied Scientific Research, IRICA, Camilo José Cela Avenue, E-13005, Ciudad Real, Spain
| | - Mohammed Zougagh
- Regional Institute for Applied Scientific Research, IRICA, Camilo José Cela Avenue, E-13005, Ciudad Real, Spain; Analytical Chemistry and Food Technology Department, Faculty of Pharmacy, University of Castilla-La Mancha, Albacete, Spain.
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12
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Wu F, Seib M, Mauel S, Klinzing S, Hicks AL. A citizen science approach estimating titanium dioxide released from personal care products. PLoS One 2020; 15:e0235988. [PMID: 32726346 PMCID: PMC7390335 DOI: 10.1371/journal.pone.0235988] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2020] [Accepted: 06/25/2020] [Indexed: 11/19/2022] Open
Abstract
Titanium dioxide (TiO2) is a common component in personal care products (PCP), which through use enters the wastewater treatment plant (WWTP) and ultimately the environment. A citizen science approach is utilized here to inform the prevalence and usage of TiO2 containing PCP on a household scale, which generates information as to the quantity of TiO2 entering the WWTP, and the portion ultimately discharged to the environment. Meanwhile, citizen science sourced inventories were generated to estimate the quantity of TiO2, and potentially nanoscale TiO2 entering the WWTP from consumer products and to determine which products had the greatest contribution. The estimated values were compared with water samples from the WWTP which quantified the amount of total titanium present using ICP-AES. These values were at a similar level with other top-down estimation approaches and suggest that a citizen science approach is valid to estimate the loading of TiO2, and potentially other emerging contaminants, while at the same time engaging with community stakeholders.
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Affiliation(s)
- Fan Wu
- School of Environment, Guangdong Key Laboratory of Environmental Pollution and Health, Jinan University, Guangzhou, China
- Department of Civil and Environmental Engineering, University of Wisconsin-Madison, Madison, WI, United States of America
| | - Matt Seib
- Madison Metropolitan Sewerage District, Madison, WI, United States of America
| | - Samantha Mauel
- Department of Civil and Environmental Engineering, University of Wisconsin-Madison, Madison, WI, United States of America
| | - Sydney Klinzing
- Department of Civil and Environmental Engineering, University of Wisconsin-Madison, Madison, WI, United States of America
| | - Andrea L. Hicks
- Department of Civil and Environmental Engineering, University of Wisconsin-Madison, Madison, WI, United States of America
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13
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Sanchís J, Jiménez-Lamana J, Abad E, Szpunar J, Farré M. Occurrence of Cerium-, Titanium-, and Silver-Bearing Nanoparticles in the Besòs and Ebro Rivers. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2020; 54:3969-3978. [PMID: 32191837 DOI: 10.1021/acs.est.9b05996] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
The presence of anthropogenic nanoparticles (NPs) in the aquatic environment has become an emerging concern in terms of environmental and health safety. In the present study, we assessed the presence of Ag-bearing, Ti-bearing, and Ce-bearing NPs in the Barcelona catchment area, including the Besòs River basin and the Barcelona coast, and in the Ebro River Delta, using single particle inductively coupled plasma mass spectrometry (sp-ICP-MS). Ti-NPs and Ce-NPs were ubiquitously detected in surface waters, and their presence was related to a high natural background. Concentrations of Ti-NPs ranged from 23.2 × 106 to 298 × 106 Ti-NPs/L, with high concentrations being detected in areas with little anthropogenic pressure, while the presence of nanosilver (17.9 × 106 to 45.1 × 106 Ag-NPs/L) in the analyzed rivers was limited to certain hotspots close to wastewater treatment plants discharge points. The concentrations of Ce-NPs in the river ranged from 18.1 × 106 to 278 × 106 NPs/L, and they were related to the natural occurrence of the mineral Monazite-(Ce). Overall, the concentrations of these nanomaterials in the Barcelonan coast were significantly attenuated by river-sea environmental dilution. Nevertheless, Ce-NPs were eventually detected in some seawater samples with low levels of lanthanum-NPs, suggesting anthropogenic inputs of nanoCeO2, probably from atmospheric deposition.
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Affiliation(s)
- Josep Sanchís
- Water and Soil Quality Research Group, Institute of Environmental Assessment and Water Research (IDAEA- CSIC), C/Jordi Girona, 18-26, 08034, Barcelona, Catalonia, Spain
- Catalan Institute for Water Research (ICRA), Scientific and Technological Park of the University of Girona, H2O Building, C/Emili Grahit, 101, E17003, Girona, Catalonia, Spain
- University of Girona, 17071, Girona, Catalonia, Spain
| | | | - Esteban Abad
- Water and Soil Quality Research Group, Institute of Environmental Assessment and Water Research (IDAEA- CSIC), C/Jordi Girona, 18-26, 08034, Barcelona, Catalonia, Spain
| | - Joanna Szpunar
- Universite de Pau et des Pays de l'Adour, E2SUPPA, CNRS, IPREM, Pau, France
| | - Marinella Farré
- Water and Soil Quality Research Group, Institute of Environmental Assessment and Water Research (IDAEA- CSIC), C/Jordi Girona, 18-26, 08034, Barcelona, Catalonia, Spain
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14
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A Novel Approach to Synthesize TiO2 Nanoparticles: Biosynthesis by Using Streptomyces sp. HC1. J Inorg Organomet Polym Mater 2020. [DOI: 10.1007/s10904-020-01486-w] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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15
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Taylor AT, Iraganje E, Lai EPC. A method for the separation of TiO 2 nanoparticles from Water through encapsulation with lecithin liposomes followed by adsorption onto poly(L-lysine) coated glass surfaces. Colloids Surf B Biointerfaces 2020; 187:110732. [PMID: 31911038 DOI: 10.1016/j.colsurfb.2019.110732] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2019] [Revised: 12/13/2019] [Accepted: 12/13/2019] [Indexed: 11/19/2022]
Abstract
Increasing use of nanomaterials in the consumer and pharmaceutical industries has led to emerging contamination by released nanoparticles in wastewater and drinking water, causing major concerns for public health. Titanium dioxide (TiO2) nanoparticles are one of the major nanoparticles of growing concern with a strong need for efficient removal. In this work, removal of TiO2 nanoparticles from water was investigated by first coating with polydopamine (PDA) and then encapsulating within lecithin liposomes for adsorption onto poly-l-lysine (PLL) coated glass surfaces. The PLL coating was confirmed using atomic force microscopy, with a thickness of 30 nm. An average percent removal of 58% with a standard deviation of 18% was obtained for concentrations ranging from 5 mg/L to 125 mg/L following capture experiments. This method provides a promising solution to alleviate the potential health hazard caused by TiO2 nanoparticles. It is minimally affected by such water quality variables as alkalinity, ionic strength and humic acid. No coagulation, flocculation and sedimentation stages are necessary.
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Affiliation(s)
- Adam T Taylor
- Ottawa-Carleton Chemistry Institute, Department of Chemistry, Carleton University, 1125 Colonel By Drive, Ottawa, ON, K1S 5B6, Canada
| | - Elysee Iraganje
- Ottawa-Carleton Chemistry Institute, Department of Chemistry, Carleton University, 1125 Colonel By Drive, Ottawa, ON, K1S 5B6, Canada
| | - Edward P C Lai
- Ottawa-Carleton Chemistry Institute, Department of Chemistry, Carleton University, 1125 Colonel By Drive, Ottawa, ON, K1S 5B6, Canada.
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16
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Hadioui M, Knapp G, Azimzada A, Jreije I, Frechette-Viens L, Wilkinson KJ. Lowering the Size Detection Limits of Ag and TiO 2 Nanoparticles by Single Particle ICP-MS. Anal Chem 2019; 91:13275-13284. [PMID: 31542921 DOI: 10.1021/acs.analchem.9b04007] [Citation(s) in RCA: 40] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Abstract
As the production and use of engineered nanomaterials increase, there is an urgent need to develop analytical techniques that are sufficiently sensitive to be able to measure the very small nanoparticles (NP) at very low concentrations. Although single particle ICP-MS (SP-ICP-MS) is emerging as one of the best techniques for detecting NP, it is limited by relatively high size detection limits for several NP, including many of the oxides. The use of a high sensitivity sector field ICP-MS (ICP-SF-MS), microsecond dwell times, and dry aerosol sample introduction systems were examined with the goal of lowering the size detection limits of the technique. For samples injected as a wet aerosol, size detection limits as low as 4.9 nm for Ag NP and 19.2 nm for TiO2 NP were determined. By using a dry aerosol, a significant gain in ion extraction from the plasma was obtained, which resulted in a noticeable decrease of the size detection limits to 3.5 nm for the Ag NP and 12.1 nm for the TiO2 NP. These substantial improvements were applied to the detection of TiO2 NP in sunscreen lotions, rainwaters, and swimming pool waters. Concentrations of Ti-containing NP between 27 and 193 μL-1 were found in rain samples. Similar NP concentrations were detected in public swimming pools, although much higher particle number concentrations (6046 ± 290 μL-1) were measured in a paddling pool, which was attributed to a high concentration of sunscreen lotions in a small recirculated water volume. High losses of TiO2 NP through adsorption or agglomeration resulted in recoveries ranging from 14-34%.
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Affiliation(s)
- Madjid Hadioui
- Biophysical Environmental Chemistry Group, Department of Chemistry , University of Montreal , P.O. 6128, Succ. Centre-Ville , Quebec City , Quebec H3C 3J7 , Canada
| | - Geneviève Knapp
- Biophysical Environmental Chemistry Group, Department of Chemistry , University of Montreal , P.O. 6128, Succ. Centre-Ville , Quebec City , Quebec H3C 3J7 , Canada
| | - Agil Azimzada
- Biophysical Environmental Chemistry Group, Department of Chemistry , University of Montreal , P.O. 6128, Succ. Centre-Ville , Quebec City , Quebec H3C 3J7 , Canada.,Department of Chemical Engineering , McGill University , Montreal , Quebec H3A 0C5 , Canada
| | - Ibrahim Jreije
- Biophysical Environmental Chemistry Group, Department of Chemistry , University of Montreal , P.O. 6128, Succ. Centre-Ville , Quebec City , Quebec H3C 3J7 , Canada
| | - Laurie Frechette-Viens
- Biophysical Environmental Chemistry Group, Department of Chemistry , University of Montreal , P.O. 6128, Succ. Centre-Ville , Quebec City , Quebec H3C 3J7 , Canada
| | - Kevin J Wilkinson
- Biophysical Environmental Chemistry Group, Department of Chemistry , University of Montreal , P.O. 6128, Succ. Centre-Ville , Quebec City , Quebec H3C 3J7 , Canada
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17
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Zhang P, Misra S, Guo Z, Rehkämper M, Valsami-Jones E. Stable isotope labeling of metal/metal oxide nanomaterials for environmental and biological tracing. Nat Protoc 2019; 14:2878-2899. [PMID: 31515516 DOI: 10.1038/s41596-019-0205-z] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2018] [Accepted: 06/03/2019] [Indexed: 01/20/2023]
Abstract
Engineered nanomaterials (NMs) are often compositionally indistinguishable from their natural counterparts, and thus their tracking in the environment or within the biota requires the development of appropriate labeling tools. Stable isotope labeling has become a well-established such tool, developed to assign 'ownership' or a 'source' to engineered NMs, enabling their tracing and quantification, especially in complex environments. A particular methodological challenge for stable isotope labeling is to ensure that the label is traceable in a range of environmental or biological scenarios but does not induce modification of the properties of the NM or lose its signal, thus retaining realism and relevance. This protocol describes a strategy for stable isotope labeling of several widely used metal and metal oxide NMs, namely ZnO, CuO, Ag, and TiO2, using isotopically enriched precursors, namely 67Zn or 68Zn metal, 65CuCl2, 107Ag or 109Ag metal, and 47TiO2 powder. A complete synthesis requires 1-8 d, depending on the type of NM, the precursors used, and the synthesis methods adopted. The physicochemical properties of the labeled particles are determined by optical, diffraction, and spectroscopic techniques for quality control. The procedures for tracing the labels in aquatic (snail and mussel) and terrestrial (earthworm) organisms and for monitoring the environmental transformation of labeled silver (Ag) NMs are also described. We envision that this labeling strategy will be adopted by industry to facilitate applications such as nanosafety assessments before NMs enter the market and environment, as well as for product authentication and tracking.
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Affiliation(s)
- Peng Zhang
- School of Geography, Earth and Environmental Sciences, University of Birmingham, Birmingham, UK.
| | - Superb Misra
- Materials Science and Engineering, Indian Institute of Technology Gandhinagar, Gujarat, India
| | - Zhiling Guo
- School of Geography, Earth and Environmental Sciences, University of Birmingham, Birmingham, UK
| | - Mark Rehkämper
- Department of Earth Science and Engineering, Imperial College London, London, UK
| | - Eugenia Valsami-Jones
- School of Geography, Earth and Environmental Sciences, University of Birmingham, Birmingham, UK.
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18
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Kim N, Kim C, Jung S, Park Y, Lee Y, Jo J, Hong M, Lee S, Oh Y, Jung K. Determination and identification of titanium dioxide nanoparticles in confectionery foods, marketed in South Korea, using inductively coupled plasma optical emission spectrometry and transmission electron microscopy. Food Addit Contam Part A Chem Anal Control Expo Risk Assess 2018; 35:1238-1246. [DOI: 10.1080/19440049.2018.1482011] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Affiliation(s)
- Namhoon Kim
- Food & Drug Division, Seoul Metropolitan Government Research Institute of Public Health and Environment, Gyeonggi-do, Korea
| | - Changkyu Kim
- Atmospheric Research Division, Seoul Metropolitan Government Research Institute of Public Health and Environment, Gyeonggi-do, Korea
| | - Soyoung Jung
- Food & Drug Division, Seoul Metropolitan Government Research Institute of Public Health and Environment, Gyeonggi-do, Korea
| | - Youngae Park
- Food & Drug Division, Seoul Metropolitan Government Research Institute of Public Health and Environment, Gyeonggi-do, Korea
| | - Youngju Lee
- Food & Drug Division, Seoul Metropolitan Government Research Institute of Public Health and Environment, Gyeonggi-do, Korea
| | - Juyeon Jo
- Food & Drug Division, Seoul Metropolitan Government Research Institute of Public Health and Environment, Gyeonggi-do, Korea
| | - Misun Hong
- Food & Drug Division, Seoul Metropolitan Government Research Institute of Public Health and Environment, Gyeonggi-do, Korea
| | - Sangmi Lee
- Food & Drug Division, Seoul Metropolitan Government Research Institute of Public Health and Environment, Gyeonggi-do, Korea
| | - Younghee Oh
- Food & Drug Division, Seoul Metropolitan Government Research Institute of Public Health and Environment, Gyeonggi-do, Korea
| | - Kweon Jung
- Food & Drug Division, Seoul Metropolitan Government Research Institute of Public Health and Environment, Gyeonggi-do, Korea
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19
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Yang F, Zeng L, Luo Z, Wang Z, Huang F, Wang Q, Drobne D, Yan C. Complex role of titanium dioxide nanoparticles in the trophic transfer of arsenic from Nannochloropsis maritima to Artemia salina nauplii. AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2018; 198:231-239. [PMID: 29558708 DOI: 10.1016/j.aquatox.2018.03.009] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/16/2017] [Revised: 03/07/2018] [Accepted: 03/08/2018] [Indexed: 06/08/2023]
Abstract
Increasing concern has been focused on the potential risks associated with the trophic transfer to aquatic organisms of ambient contaminants in the presence of titanium dioxide nanoparticles (nano-TiO2). This study investigated the influence of nano-TiO2 on the trophic transfer of arsenic (As) from the microalgae Nannochloropsis maritima to the brine shrimp Artemia salina nauplii. We found that nano-TiO2 could significantly facilitate As sorption on N. maritima within an exposure period of 24 h, and this sorption subsequently led to higher As trophic transfer from the algae to A. salina according to trophic transfer factors (TTFAs+nano-TiO2 > TTFAs). However, after 48 h of depuration, the retention of As in A. salina fed As-nano-TiO2-contaminated algae was even lower than that in A. salina fed As-contaminated algae at the same exposure concentrations. This result indicates that the increased food chain transfer of As in the presence of nano-TiO2 can be explained by adsorption of As onto nano-TiO2 in contaminated food (algae), but the bioavailability of As in A. salina is reduced after the introduction of nanoparticles. Although the stress enzyme activities of superoxide dismutase (SOD) and acetylcholinesterase (AChE) in A. salina at a lower As concentration treatment in the presence of nano-TiO2 were not significantly changed, they increased with higher exposure concentrations of As with or without nano-TiO2. Our study highlighted the complex role of nanomaterials in the transfer of ambient contaminants via trophic chains and the potential of nano-TiO2 to reduce the bioavailability of As via trophic transfer to saltwater zooplankton.
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Affiliation(s)
- Fan Yang
- Key Laboratory of Urban Environment and Health, Institute of Urban Environment, Chinese Academy of Sciences, Xiamen 361021, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Liqing Zeng
- Key Laboratory of Urban Environment and Health, Institute of Urban Environment, Chinese Academy of Sciences, Xiamen 361021, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Zhuanxi Luo
- Key Laboratory of Urban Environment and Health, Institute of Urban Environment, Chinese Academy of Sciences, Xiamen 361021, China
| | - Zaosheng Wang
- Key Laboratory of Urban Environment and Health, Institute of Urban Environment, Chinese Academy of Sciences, Xiamen 361021, China
| | - Fuyi Huang
- Key Laboratory of Urban Environment and Health, Institute of Urban Environment, Chinese Academy of Sciences, Xiamen 361021, China
| | - Qiuquan Wang
- College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China
| | - Damjana Drobne
- Biotechnical Faculty, Department of Biology, University of Ljubljana, Ljubljana SI-1000, Slovenia
| | - Changzhou Yan
- Key Laboratory of Urban Environment and Health, Institute of Urban Environment, Chinese Academy of Sciences, Xiamen 361021, China.
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20
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Chen Z, Wang F, Balachandran S, Li G, Liu P, Ding Y, Zhang S, Yang M. Morphology control of rutile TiO 2 with tunable bandgap by preformed β-FeOOH nanoparticles. NANOTECHNOLOGY 2018; 29:125602. [PMID: 29311422 DOI: 10.1088/1361-6528/aaa615] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
Rutile TiO2 are widely used for applications of coatings, cosmetics, photoelectric devices and so on. However, effective control of well-defined morphology, size and composition of rutile TiO2 nanoparticles from agglomeration has always been a challenge. A new synthesis strategy was proposed to prepare rutile TiO2 with controllable morphology varied from flower-like structures to single-separated nanorods. The β-FeOOH nanoparticles were generated by the hydrolysis of FeCl3 solution and could prevent the aggregation of TiO2 nanocrystals at early stages of the reaction; thus, could control the morphology of rutile nanoparticles. The morphology of rutile TiO2 nanoparticles could be controllably regulated from flower-like structures to individually separated nanorods. Meanwhile, the preformed β-FeOOH also played a role of dopant. Fe ions were substitutionally doped into the bulk lattice of TiO2 nanocrystals and reduced the bandgap, which extended the solar radiation absorption range of rutile TiO2. The prepared TiO2 may be suitable for novel UV-blue light shielding agents and many other applications in photoelectric devices, photocatalysis, and so on due to its small size, unprecedented discrete rod-like structure and unique UV-vis light permeability.
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Affiliation(s)
- Zheming Chen
- Beijing National Laboratory for Molecular Sciences, Key Laboratory of Engineering Plastics, Institute of Chemistry, Chinese Academy of Sciences, Zhongguancun North First Street 2, Beijing 100190, People's Republic of China. University of Chinese Academy of Sciences, Beijing 100049, People's Republic of China
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21
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Kim Y, Farnazo DM. Toxicity characteristics of sewage treatment effluents and potential contribution of micropollutant residuals. ACTA ACUST UNITED AC 2017. [DOI: 10.1186/s41610-017-0057-9] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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22
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Sendra M, Pintado-Herrera MG, Aguirre-Martínez GV, Moreno-Garrido I, Martin-Díaz LM, Lara-Martín PA, J B. Are the TiO 2 NPs a "Trojan horse" for personal care products (PCPs) in the clam Ruditapes philippinarum? CHEMOSPHERE 2017; 185:192-204. [PMID: 28697425 DOI: 10.1016/j.chemosphere.2017.07.009] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/31/2017] [Revised: 06/21/2017] [Accepted: 07/02/2017] [Indexed: 06/07/2023]
Abstract
In recent years, increasing quantities of personal care products (PCPs) are being released into the environment. However, data about bioaccumulation and toxicity are scarce; and extraction and analytical approaches are not well developed. In this work, the marine clam Ruditapes philippinarum, selected as model organism, has been employed to investigate bioaccumulation, antioxidant enzyme activities and DNA damage due to exposure to TiO2 nanoparticles and bulk TiO2 (inorganic compounds that are frequent components of PCPs, plastics, paints and coatings, foods and disinfectant water treatments). We have also studied the joint effect of both forms of inorganic TiO2 combined with four organic compounds (mixture exposures) commonly used in PCPs: an antimicrobial (triclosan), a fragrance (OTNE) and two UV filters (benzophenone-3 and octocrylene). Bioaccumulation of the inorganic compound, TiO2, was almost immediate and constant over exposure time. With respect to the organic compounds in mixtures, they were mediated by TiO2 and bioaccumulation is driven by reduced size of the particles. In fact, nanoparticles can be considered as a vector to organic compounds, such as triclosan and benzophenone-3. After a week of depuration, TiO2 NPs and TiO2 bulk in clams showed similar levels of concentration. Some organic compounds with bioactivity (Log Kow >3), like OTNE, showed low depuration after one week. The joint action of the organic compound mixture and either of the two forms of TiO2 provoked changes in enzyme activity responses. However, for the mixtures, DNA damage was found only after the depuration period.
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Affiliation(s)
- M Sendra
- Department of Ecology and Coastal Management, Institute of Marine Sciences of Andalusia (CSIC), Campus Río S. Pedro.11510, Puerto Real, Cádiz, 11510, Spain.
| | - M G Pintado-Herrera
- Physical Chemistry Department, Faculty of Marine and Environmental Sciences, University of Cadiz, Campus de Excelencia Internacional del Mar (CEI-MAR), Cádiz, 11510, Spain
| | - G V Aguirre-Martínez
- Andalusian Center for Marine Science and Technology (CACYTMAR), Campus Río S. Pedro.11510, Puerto Real, Cádiz, 11510, Spain; Facultad de Ciencias de la Salud, Universidad Arturo Prat, Casilla 121, 1110939, Iquique, Chile
| | - I Moreno-Garrido
- Department of Ecology and Coastal Management, Institute of Marine Sciences of Andalusia (CSIC), Campus Río S. Pedro.11510, Puerto Real, Cádiz, 11510, Spain
| | - L M Martin-Díaz
- Physical Chemistry Department, Faculty of Marine and Environmental Sciences, University of Cadiz, Campus de Excelencia Internacional del Mar (CEI-MAR), Cádiz, 11510, Spain; Andalusian Center for Marine Science and Technology (CACYTMAR), Campus Río S. Pedro.11510, Puerto Real, Cádiz, 11510, Spain
| | - P A Lara-Martín
- Physical Chemistry Department, Faculty of Marine and Environmental Sciences, University of Cadiz, Campus de Excelencia Internacional del Mar (CEI-MAR), Cádiz, 11510, Spain
| | - Blasco J
- Department of Ecology and Coastal Management, Institute of Marine Sciences of Andalusia (CSIC), Campus Río S. Pedro.11510, Puerto Real, Cádiz, 11510, Spain
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23
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Choi S, Johnston MV, Wang GS, Huang CP. Looking for engineered nanoparticles (ENPs) in wastewater treatment systems: Qualification and quantification aspects. THE SCIENCE OF THE TOTAL ENVIRONMENT 2017; 590-591:809-817. [PMID: 28292607 DOI: 10.1016/j.scitotenv.2017.03.061] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/30/2017] [Revised: 03/06/2017] [Accepted: 03/07/2017] [Indexed: 06/06/2023]
Abstract
The current study developed a rationalized method for the quantification and identification of engineered nanoparticles (ENPs) in wastewaters. A review of current literature revealed that overall, presently available methods focused on single ENP mostly and were applicable mainly to samples of low organic loadings or under well-controlled laboratory conditions. In the present research, procedures including dialysis for desalting and low-temperature oxidation for organic removal were used to pretreat samples of high organic loadings, specifically, municipal wastewater and sludge. SEM mapping technique identified the presence of nanoparticles, which was followed by ICP-OES quantification of different engineering nanoparticles in wastewater and sludge samples collected from two major regional municipal wastewater treatment plants. Results showed successful identification and quantification of nano-size titanium and zinc oxides from wastewater treatment plants studied. Concentration profile was mapped out for the wastewater treatment plants (WWTPs) using the method developed in this research. Results also showed an overall 80% and 68% removal of titanium and zinc by primary and secondary sludge particulates, respectively. Mass flux of engineered nanoparticles (ENPs) was also calculated to estimate the daily flow of engineered nanoparticles in the system.
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Affiliation(s)
- Soohoon Choi
- Department of Civil and Environmental engineering, University of Delaware, Newark, DE 19711, United States
| | - Murray V Johnston
- Department of Chemistry and Biochemistry, University of Delaware, Newark, DE 19711, United States
| | - Gen-Suh Wang
- Institute of Environmental Health, National Taiwan University, Taipei 100, Taiwan
| | - C P Huang
- Department of Civil and Environmental engineering, University of Delaware, Newark, DE 19711, United States.
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24
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Bitragunta SP, Palani SG, Gopala A, Sarkar SK, Kandukuri VR. Detection of TiO 2 Nanoparticles in Municipal Sewage Treatment Plant and Their Characterization Using Single Particle ICP-MS. BULLETIN OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY 2017; 98:595-600. [PMID: 28160041 DOI: 10.1007/s00128-017-2031-8] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/14/2016] [Accepted: 01/12/2017] [Indexed: 06/06/2023]
Abstract
Establishment of analytical methods for detection and characterization of nanoparticles in the environment are gaining prominence across the globe. The present study was designed to quantify titanium (Ti) and to characterize titanium dioxide nanoparticles (TNP) from a municipal sewage treatment plant, by inductively coupled plasma mass spectrometry (ICP-MS). The concentrations of Ti & TNP were 1085 & 13.6 mg/kg in the influent sewage and 298 & 3.3 mg/kg in the aeration tank contents, respectively. The size of TNP ranged between 71-145 nm in the sludge fraction. Determining environmentally realistic concentrations of TNP could serve as a tracer material for characterization of those nanomaterials with similar size and aggregation properties. Furthermore, inference of Ti and TNP in municipal sewage in the study will also help in environmental risk assessment of nanomaterials.
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Affiliation(s)
- Siva Prasad Bitragunta
- Department of Biological Sciences, Birla Institute of Technology and Science Pilani, Hyderabad Campus, Hyderabad, Telangana, 500078, India
| | - Sankar Ganesh Palani
- Department of Biological Sciences, Birla Institute of Technology and Science Pilani, Hyderabad Campus, Hyderabad, Telangana, 500078, India.
| | - Anil Gopala
- Verder Scientific Pvt. Ltd., Hyderabad, Telangana, 500076, India
| | - Santosh Kumar Sarkar
- Department of Marine Science, University of Calcutta, Calcutta, West Bengal, 700019, India
| | - Venugopal Reddy Kandukuri
- Central Facilities for Research and Development, Osmania University, Hyderabad, Telangana, 500007, India
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25
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Hazardous Effects of Titanium Dioxide Nanoparticles in Ecosystem. Bioinorg Chem Appl 2017; 2017:4101735. [PMID: 28373829 PMCID: PMC5360948 DOI: 10.1155/2017/4101735] [Citation(s) in RCA: 56] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2016] [Accepted: 02/08/2017] [Indexed: 01/21/2023] Open
Abstract
Although nanoparticles (NPs) have made incredible progress in the field of nanotechnology and biomedical research and their applications are demanded throughout industrial world particularly over the past decades, little is known about the fate of nanoparticles in ecosystem. Concerning the biosafety of nanotechnology, nanotoxicity is going to be the second most priority of nanotechnology that needs to be properly addressed. This review covers the chemical as well as the biological concerns about nanoparticles particularly titanium dioxide (TiO2) NPs and emphasizes the toxicological profile of TiO2 at the molecular level in both in vitro and in vivo systems. In addition, the challenges and future prospects of nanotoxicology are discussed that may provide better understanding and new insights into ongoing and future research in this field.
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26
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Rajini A, Nookaraju M, Reddy I, Venkatathri N. Synthesis, characterization, antimicrobial and cytotoxicity studies of a novel titanium dodecylamino phosphate. JOURNAL OF SAUDI CHEMICAL SOCIETY 2017. [DOI: 10.1016/j.jscs.2013.10.005] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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27
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Shih YJ, Su CC, Chen CW, Dong CD, Liu WS, Huang CP. Adsorption characteristics of nano-TiO2 onto zebrafish embryos and its impacts on egg hatching. CHEMOSPHERE 2016; 154:109-117. [PMID: 27043376 DOI: 10.1016/j.chemosphere.2016.03.061] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/29/2015] [Revised: 03/01/2016] [Accepted: 03/14/2016] [Indexed: 06/05/2023]
Abstract
The characteristics of nanoparticles (NPs) uptake may fundamentally alter physicochemical effects of engineered NPs on aquatic organisms, thereby yielding different ecotoxicology assessment results. The adsorption behavior of nano-TiO2 (P-25) on zebrafish embryos in Holtfreter's medium (pH 7.2, I ∼ 7.2 × 10(-2) M) and the presence of sodium alginate (100 mg/L) as dispersant was investigated. Zebrafish embryos (total 100) were exposed to nano-TiO2 at different concentrations (e.g., 0, 10, 20, 60, 120 mg/L) in batch-mode assay. The adsorption capacity of nano-TiO2 on fish eggs was determined by measuring the Ti concentration on the egg surface using ICP-OES analysis. Results showed that the adsorption capacity increased rapidly in the first hour, and then declined to reach equilibrium in 8 h. The adsorption characteristics was visualized as a three-step process of rapid initial layer formation, followed by break-up of aggregates and finally rearrangement of floc structures; the maximum adsorption capacity was the sum of an inner rigid layers of aggregates of 0.81-0.84 μg-TiO2/#-egg and an outer softly flocculated layers of 1.01 μg-TiO2/#-egg. The Gibbs free energy was 543.29-551.26 and 100.75 kJ/mol, respectively, for the inner-layer and the outer-layer aggregates. Adsorption capacity at 0.5-1.0 μg-TiO2/#-egg promoted egg hatching; but hatching was inhibited at higher adsorption capacity. Results clearly showed that the configuration of TiO2 aggregates could impact the hatching efficiency of zebrafish embryos.
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Affiliation(s)
- Yu-Jen Shih
- Department of Marine Environmental Engineering, National Kaohsiung Marine University, Kaohsiung 81157, Taiwan, ROC
| | - Chia-Chi Su
- Department of Marine Environmental Engineering, National Kaohsiung Marine University, Kaohsiung 81157, Taiwan, ROC
| | - Chiu-Wen Chen
- Department of Marine Environmental Engineering, National Kaohsiung Marine University, Kaohsiung 81157, Taiwan, ROC
| | - Cheng-Di Dong
- Department of Marine Environmental Engineering, National Kaohsiung Marine University, Kaohsiung 81157, Taiwan, ROC
| | - Wen-Sheng Liu
- Asia-Pacific Biotech Developing Inc., Kaohsiung, Taiwan, ROC
| | - C P Huang
- Department of Civil and Environmental Engineering, University of Delaware, Newark, DE 19716, USA.
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Moll J, Okupnik A, Gogos A, Knauer K, Bucheli TD, van der Heijden MGA, Widmer F. Effects of Titanium Dioxide Nanoparticles on Red Clover and Its Rhizobial Symbiont. PLoS One 2016; 11:e0155111. [PMID: 27171465 PMCID: PMC4865228 DOI: 10.1371/journal.pone.0155111] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2016] [Accepted: 04/25/2016] [Indexed: 12/03/2022] Open
Abstract
Titanium dioxide nanoparticles (TiO2 NPs) are in consideration to be used in plant protection products. Before these products can be placed on the market, ecotoxicological tests have to be performed. In this study, the nitrogen fixing bacterium Rhizobium trifolii and red clover were exposed to two TiO2 NPs, i.e., P25, E171 and a non-nanomaterial TiO2. Growth of both organisms individually and their symbiotic root nodulation were investigated in liquid and hydroponic systems. While 23 and 18 mg l-1 of E171 and non-nanomaterial TiO2 decreased the growth rate of R. trifolii by 43 and 23% respectively, P25 did not cause effects. Shoot length of red clover decreased between 41 and 62% for all tested TiO2 NPs. In 21% of the TiO2 NP treated plants, no nodules were found. At high concentrations certain TiO2 NPs impaired R. trifolii as well as red clover growth and their symbiosis in the hydroponic systems.
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Affiliation(s)
- Janine Moll
- Institute for Sustainability Sciences ISS, Agroscope, Zurich, Switzerland
- Plant-Microbe-Interactions, Department of Biology, Utrecht University, Utrecht, the Netherlands
| | - Annette Okupnik
- Institute for Sustainability Sciences ISS, Agroscope, Zurich, Switzerland
| | - Alexander Gogos
- Institute for Sustainability Sciences ISS, Agroscope, Zurich, Switzerland
| | - Katja Knauer
- Federal Office for Agriculture FOAG, Berne, Switzerland
| | - Thomas D. Bucheli
- Institute for Sustainability Sciences ISS, Agroscope, Zurich, Switzerland
| | - Marcel G. A. van der Heijden
- Institute for Sustainability Sciences ISS, Agroscope, Zurich, Switzerland
- Plant-Microbe-Interactions, Department of Biology, Utrecht University, Utrecht, the Netherlands
- Institute of Evolutionary Biology and Environmental Studies, University of Zurich, Zurich, Switzerland
| | - Franco Widmer
- Institute for Sustainability Sciences ISS, Agroscope, Zurich, Switzerland
- * E-mail:
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Devoy J, Brun E, Cosnefroy A, Disdier C, Melczer M, Antoine G, Chalansonnet M, Mabondzo A. Mineralization of TiO2 nanoparticles for the determination of titanium in rat tissues. JOURNAL OF ANALYTICAL CHEMISTRY 2016. [DOI: 10.1134/s1061934816040043] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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30
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Majedi SM, Lee HK. Recent advances in the separation and quantification of metallic nanoparticles and ions in the environment. Trends Analyt Chem 2016. [DOI: 10.1016/j.trac.2015.08.009] [Citation(s) in RCA: 59] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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31
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Anumula R, Adepu AK, Chirra S, Siliveri S, Narayanan V. Titanium aminophosphates: synthesis, characterization and crystal violet dye degradation studies. RSC Adv 2016. [DOI: 10.1039/c5ra22210a] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Titanium aminophosphates are prepared using titanium tetraisopropoxide, orthophosphoric acid and aliphatic amines. Their detailed characterization and catalytic crystal violet dye degradation were studied.
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Affiliation(s)
- Rajini Anumula
- Department of Chemistry
- National Institute of Technology
- Warangal 506 004
- India
| | - Ajay Kumar Adepu
- Department of Chemistry
- National Institute of Technology
- Warangal 506 004
- India
| | - Suman Chirra
- Department of Chemistry
- National Institute of Technology
- Warangal 506 004
- India
| | - Suresh Siliveri
- Department of Chemistry
- National Institute of Technology
- Warangal 506 004
- India
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32
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Bourgeault A, Cousin C, Geertsen V, Cassier-Chauvat C, Chauvat F, Durupthy O, Chanéac C, Spalla O. The challenge of studying TiO2 nanoparticle bioaccumulation at environmental concentrations: crucial use of a stable isotope tracer. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2015; 49:2451-2459. [PMID: 25587677 DOI: 10.1021/es504638f] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
The ecotoxicity of nanoparticles (NPs) is a growing area of research with many challenges ahead. To be relevant, laboratory experiments must be performed with well-controlled and environmentally realistic (i.e., low) exposure doses. Moreover, when focusing on the intensively manufactured titanium dioxide (TiO2) NPs, sample preparations and chemical analysis are critical steps to meaningfully assay NP's bioaccumulation. To deal with these imperatives, we synthesized for the first time TiO2 NPs labeled with the stable isotope (47)Ti. Thanks to the (47)Ti labeling, we could detect the bioaccumulation of NPs in zebra mussels (Dreissena polymorpha) exposed for 1 h at environmental concentrations via water (7-120 μg/L of (47)TiO2 NPs) and via their food (4-830 μg/L of (47)TiO2 NPs mixed with 1 × 10(6) cells/mL of cyanobacteria) despite the high natural Ti background, which varied in individual mussels. The assimilation efficiency (AE) of TiO2 NPs by mussels from their diet was very low (AE = 3.0 ± 2.7%) suggesting that NPs are mainly captured in mussel gut, with little penetration in their internal organs. Thus, our methodology is particularly relevant in predicting NP's bioaccumulation and investigating the factors influencing their toxicokinetics in conditions mimicking real environments.
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Affiliation(s)
- Adeline Bourgeault
- CEA Saclay, DSM/IRAMIS/NIMBE/LIONS, UMR CEA-CNRS 3299, 91191 Gif-sur-Yvette, France
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Rajini A, Nookaraju M, Chirra S, Adepu AK, Venkatathri N. Titanium aminophosphates: synthesis, characterization and orange G dye degradation studies. RSC Adv 2015. [DOI: 10.1039/c5ra19117c] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
A group of titanium aminophosphate catalysts are synthesized and characterized in detail, and their catalytic application towards orange G dye degradation is studied.
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Affiliation(s)
- Anumula Rajini
- Department of Chemistry
- National Institute of Technology
- Warangal 506 004
- India
| | - Muralasetti Nookaraju
- Department of Chemistry
- Anil Neerukonda Institute of Technology and Sciences
- Vishakapatnam – 531162
- Andhra Pradesh
| | - Suman Chirra
- Department of Chemistry
- National Institute of Technology
- Warangal 506 004
- India
| | - Ajay Kumar Adepu
- Department of Chemistry
- National Institute of Technology
- Warangal 506 004
- India
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34
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Rajini A, Adepu AK, Chirra S, Venkatathri N. Titanium aminophosphates: synthesis, characterization, antimicrobial and cytotoxicity studies. RSC Adv 2015. [DOI: 10.1039/c5ra15084a] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Titanium aminophosphates were synthesized, characterized in detail and their antimicrobial and cytotoxicity properties were studied.
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Affiliation(s)
- Anumula Rajini
- Department of Chemistry
- National Institute of Technology
- Warangal 506 004
- India
| | - Ajay Kumar Adepu
- Department of Chemistry
- National Institute of Technology
- Warangal 506 004
- India
| | - Suman Chirra
- Department of Chemistry
- National Institute of Technology
- Warangal 506 004
- India
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Geertsen V, Tabarant M, Spalla O. Behavior and Determination of Titanium Dioxide Nanoparticles in Nitric Acid and River Water by ICP Spectrometry. Anal Chem 2014; 86:3453-60. [DOI: 10.1021/ac403926r] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Affiliation(s)
- Valerie Geertsen
- Commissariat à
l’Energie Atomique et aux Energies Alternatives, CEA Saclay,
DSM/IRAMIS/NIMBE/LIONS, CNRS UMR 3299, 91191 Gif Sur Yvette, France
| | - Michel Tabarant
- Commissariat
à
l’Energie Atomique et aux Energies Alternatives, CEA Saclay,
DEN/DANS/DPC/SEARS/LISL, 91191 Gif Sur Yvette, France
| | - Olivier Spalla
- Commissariat à
l’Energie Atomique et aux Energies Alternatives, CEA Saclay,
DSM/IRAMIS/NIMBE/LIONS, CNRS UMR 3299, 91191 Gif Sur Yvette, France
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36
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Tan C, Wang WX. Modification of metal bioaccumulation and toxicity in Daphnia magna by titanium dioxide nanoparticles. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2014; 186:36-42. [PMID: 24361562 DOI: 10.1016/j.envpol.2013.11.015] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/19/2013] [Revised: 11/06/2013] [Accepted: 11/18/2013] [Indexed: 06/03/2023]
Abstract
Titanium dioxide (TiO2) nanoparticles are widely used in water treatments, yet their influences on other contaminants in the water are not well studied. In this study, the aqueous uptake, assimilation efficiency, and toxicity of two ionic metals (cadmium-Cd, and zinc-Zn) in a freshwater zooplankton, Daphnia magna, were investigated following 2 days pre-exposure to nano-TiO2. Pre-exposure to 1 mg/L nano-TiO2 resulted in a significant increase in Cd and Zn uptake from the dissolved phase. After the nano-TiO2 in the guts were cleared, the uptake rates immediately recovered to the normal levels. Concurrent measurements of reactive oxygen species (ROS) and metallothioneins (MTs) suggested that the increased metal uptake was mainly due to the increased number of binding sites provided by nano-TiO2 presented in the guts. Consistently, pre-exposure to nano-TiO2 increased the toxicity of aqueous Cd and Zn due to enhanced uptake. Our study provides the evidence that nano-TiO2 in the guts of animals could increase the uptake and toxicity of other contaminants.
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Affiliation(s)
- Cheng Tan
- Division of Life Science, State Key Laboratory of Marine Pollution, The Hong Kong University of Science and Technology (HKUST), Clear Water Bay, Kowloon, Hong Kong
| | - Wen-Xiong Wang
- Division of Life Science, State Key Laboratory of Marine Pollution, The Hong Kong University of Science and Technology (HKUST), Clear Water Bay, Kowloon, Hong Kong.
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Jacobasch C, Völker C, Giebner S, Völker J, Alsenz H, Potouridis T, Heidenreich H, Kayser G, Oehlmann J, Oetken M. Long-term effects of nanoscaled titanium dioxide on the cladoceran Daphnia magna over six generations. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2014; 186:180-6. [PMID: 24378815 DOI: 10.1016/j.envpol.2013.12.008] [Citation(s) in RCA: 46] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/07/2013] [Revised: 12/02/2013] [Accepted: 12/06/2013] [Indexed: 05/21/2023]
Abstract
We investigated the impact of nanoscaled titanium dioxide (nTiO2) on Daphnia magna populations in a multi-generational study over six generations (F0-F5). Each generation was exposed for 21 days to nTiO2 (AEROXIDE(®) TiO2 P25, primary particle size 21 nm) while mortality, individual growth, reproduction and population growth rates (PGR) were assessed as endpoints. The size distribution of nTiO2 in the single test media was analysed by dynamic light scattering (DLS) and transmission electron microscopy (TEM). nTiO2 concentrations were measured using ICP-MS. Mortality and individual growth of D. magna were significantly affected with increasing exposure duration and concentration. Daphnids demonstrated decreasing reproduction over generations in all treatment groups (1.19-6 mg/L) but not in the control. At concentration levels of 1.78 mg/L chronic exposure resulted in a population collapse after five generations. This study indicates that multi-generational studies are suitable for evaluating long-term effects of nanoparticles since they reflect potential effects more accurately than single generation tests.
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Affiliation(s)
- Claudia Jacobasch
- Goethe University, Institute for Ecology, Evolution and Diversity, Max-von-Laue-Str. 13, D-60438 Frankfurt am Main, Germany
| | - Carolin Völker
- Goethe University, Institute for Ecology, Evolution and Diversity, Max-von-Laue-Str. 13, D-60438 Frankfurt am Main, Germany
| | - Sabrina Giebner
- Goethe University, Institute for Ecology, Evolution and Diversity, Max-von-Laue-Str. 13, D-60438 Frankfurt am Main, Germany
| | - Johannes Völker
- Goethe University, Institute for Ecology, Evolution and Diversity, Max-von-Laue-Str. 13, D-60438 Frankfurt am Main, Germany
| | - Heiko Alsenz
- Goethe University, Institute for Atmospheric and Environmental Sciences, Altenhöferallee 1, D-60438 Frankfurt am Main, Germany
| | - Theodoros Potouridis
- Goethe University, Institute for Atmospheric and Environmental Sciences, Altenhöferallee 1, D-60438 Frankfurt am Main, Germany
| | - Heike Heidenreich
- International Graduate School Zittau, Department for Bio and Environmental Science, Markt 23, D-02763 Zittau, Germany
| | - Gernot Kayser
- International Graduate School Zittau, Department for Bio and Environmental Science, Markt 23, D-02763 Zittau, Germany
| | - Jörg Oehlmann
- Goethe University, Institute for Ecology, Evolution and Diversity, Max-von-Laue-Str. 13, D-60438 Frankfurt am Main, Germany
| | - Matthias Oetken
- Goethe University, Institute for Ecology, Evolution and Diversity, Max-von-Laue-Str. 13, D-60438 Frankfurt am Main, Germany.
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Sun TY, Gottschalk F, Hungerbühler K, Nowack B. Comprehensive probabilistic modelling of environmental emissions of engineered nanomaterials. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2014; 185:69-76. [PMID: 24220022 DOI: 10.1016/j.envpol.2013.10.004] [Citation(s) in RCA: 423] [Impact Index Per Article: 42.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/18/2013] [Revised: 09/26/2013] [Accepted: 10/04/2013] [Indexed: 05/20/2023]
Abstract
Concerns about the environmental risks of engineered nanomaterials (ENM) are growing, however, currently very little is known about their concentrations in the environment. Here, we calculate the concentrations of five ENM (nano-TiO2, nano-ZnO, nano-Ag, CNT and fullerenes) in environmental and technical compartments using probabilistic material-flow modelling. We apply the newest data on ENM production volumes, their allocation to and subsequent release from different product categories, and their flows into and within those compartments. Further, we compare newly predicted ENM concentrations to estimates from 2009 and to corresponding measured concentrations of their conventional materials, e.g. TiO2, Zn and Ag. We show that the production volume and the compounds' inertness are crucial factors determining final concentrations. ENM production estimates are generally higher than a few years ago. In most cases, the environmental concentrations of corresponding conventional materials are between one and seven orders of magnitude higher than those for ENM.
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Affiliation(s)
- Tian Yin Sun
- Empa - Swiss Federal Laboratories for Materials Science and Technology, Technology and Society Laboratory, Lerchenfeldstrasse 5, CH-9014 St. Gallen, Switzerland; Institute for Chemical and Bioengineering, ETH Zürich, CH-8093 Zürich, Switzerland
| | - Fadri Gottschalk
- Empa - Swiss Federal Laboratories for Materials Science and Technology, Technology and Society Laboratory, Lerchenfeldstrasse 5, CH-9014 St. Gallen, Switzerland; ETSS, CH-7558 Strada, Switzerland
| | - Konrad Hungerbühler
- Institute for Chemical and Bioengineering, ETH Zürich, CH-8093 Zürich, Switzerland
| | - Bernd Nowack
- Empa - Swiss Federal Laboratories for Materials Science and Technology, Technology and Society Laboratory, Lerchenfeldstrasse 5, CH-9014 St. Gallen, Switzerland.
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Sánchez-Quiles D, Tovar-Sánchez A, Horstkotte B. Titanium determination by multisyringe flow injection analysis system and a liquid waveguide capillary cell in solid and liquid environmental samples. MARINE POLLUTION BULLETIN 2013; 76:89-94. [PMID: 24095048 DOI: 10.1016/j.marpolbul.2013.09.024] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/26/2013] [Revised: 09/10/2013] [Accepted: 09/12/2013] [Indexed: 06/02/2023]
Abstract
A multisyringe flow injection analysis system using a liquid waveguide capillary cell (MSFIA-LWCC) has been used for the spectrophotometric determination of titanium (Ti) in marine environmental samples. Samples were previous digested using potassium peroxodisulfate (K2S2O8). The method showed to be linear over a range up to 1 μM with a detection limit of 9.2 nM. The analysis consumes little reagent (250 μL) and sample (600 μL). It had an adequate accuracy with high repeatability (RSD of 1.8%) for all marine samples. The proposed method was used to evaluate the concentration of Ti in natural samples collected in the coastal area of the Majorca Island (Western Mediterranean Sea). We report average concentrations of Ti in coastal surface microlayer of 510.7 ± 267.2 nM, in surface sediments of 2.72 ± 1.84 μmol/g, and in rhizomes and leaves of Posidonia oceanica of 310 ± 295 nmol/g and 157 ± 132 nmol/g, respectively.
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Affiliation(s)
- David Sánchez-Quiles
- Mediterranean Institute for Advanced Studies, Department of Global Change Research, IMEDEA (CSIC-UIB), Miguel Marqués 21, 07190 Esporles, Balearic Island, Spain.
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40
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Gottschalk F, Sun T, Nowack B. Environmental concentrations of engineered nanomaterials: review of modeling and analytical studies. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2013; 181:287-300. [PMID: 23856352 DOI: 10.1016/j.envpol.2013.06.003] [Citation(s) in RCA: 613] [Impact Index Per Article: 55.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/05/2013] [Revised: 06/05/2013] [Accepted: 06/16/2013] [Indexed: 05/23/2023]
Abstract
Scientific consensus predicts that the worldwide use of engineered nanomaterials (ENM) leads to their release into the environment. We reviewed the available literature concerning environmental concentrations of six ENMs (TiO2, ZnO, Ag, fullerenes, CNT and CeO2) in surface waters, wastewater treatment plant effluents, biosolids, sediments, soils and air. Presently, a dozen modeling studies provide environmental concentrations for ENM and a handful of analytical works can be used as basis for a preliminary validation. There are still major knowledge gaps (e.g. on ENM production, application and release) that affect the modeled values, but over all an agreement on the order of magnitude of the environmental concentrations can be reached. True validation of the modeled values is difficult because trace analytical methods that are specific for ENM detection and quantification are not available. The modeled and measured results are not always comparable due to the different forms and sizes of particles that these two approaches target.
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Affiliation(s)
- Fadri Gottschalk
- Empa - Swiss Federal Laboratories for Materials Science and Technology, Technology and Society Laboratory, Lerchenfeldstrasse 5, CH-9014 St. Gallen, Switzerland
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Silva RG, Nadagouda MN, Webster J, Govindaswamy S, Hristovski KD, Ford RG, Patterson CL, Impellitteri CA. Examining the efficiency of muffle furnace-induced alkaline hydrolysis in determining the titanium content of environmental samples containing engineered titanium dioxide particles. ENVIRONMENTAL SCIENCE. PROCESSES & IMPACTS 2013; 15:645-652. [PMID: 23738363 DOI: 10.1039/c3em30880d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/02/2023]
Abstract
A novel muffle furnace (MF)-based potassium hydroxide (KOH) fusion digestion technique was developed and evaluated for different titanium dioxide materials in various solid matrices. Digestion of different environmental samples containing sediments, clay minerals and humic acid with and without TiO(2) particles was first performed utilizing the MF-based KOH fusion technique and its dissolution efficacy was compared to a Bunsen burner (BB)-based KOH fusion method. The three types of TiO(2) particles (anatase, brookite and rutile) were then digested with the KOH fusion techniques and microwave (MW)-based nitric (HNO3)–hydrofluoric (HF) mixed acid digestion methods. Statistical analysis of the results revealed that Ti recoveries were comparable for the KOH fusion methods (BB and MF). For pure TiO(2) particles, the measured Ti recoveries compared to calculated values were 96%, 85% and 87% for anatase, brookite and rutile TiO(2) materials, respectively, by the MF-based fusion technique. These recoveries were consistent and less variable than the BB-based fusion technique recoveries of 104%, 97% and 72% and MW-based HNO3–HF mixed acids digestion recoveries of 80%, 81% and 14%, respectively, for anatase, brookite and rutile. Ti percent recoveries and measurement precision decreased for both the BB and MF methods when TiO(2) was spiked into sediment, clay minerals, and humic acid. This drop in efficacy was counteracted by more thorough homogenization of the spiked mixtures and by increasing the mass of KOH in the MF fusion process from 1.6 g to 10.0 g. The MF-based fusion technique is consistently superior in digestion efficiency for all three TiO(2) polymorphs. The MF-based fusion technique required 20 minutes for digestion of 25 samples (based on in-house Lindberg MF capacity) compared to 8 hours for the same number of samples using the BB-based fusion technique. Thus, the MF-based fusion technique can be used to dissolve a large number of samples in a shorter time (e.g., 500 samples per 8 hours) while conserving energy and eliminating health and safety risks from methods involving HF.
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Affiliation(s)
- Rendahandi G Silva
- Shaw Environmental and Infrastructure Inc., 1600 Gest Street, U.S. EPA Test and Evaluation Facility, Cincinnati, OH 45204, USA
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