1
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Das S, Swain S, Rautray TR. Incorporation of hydroxyapatite and cerium oxide nanoparticle scaffold as an antibacterial filler matrix for biomedical applications. Int J Artif Organs 2024; 47:356-361. [PMID: 38664596 DOI: 10.1177/03913988241234548] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/22/2024]
Abstract
Managing bone healing is essential for preventing problems such as non-union, bacterial infection, structural instability, psychological, and physical damage in patients. The need to use antibiotics less often has prompted researchers to look at possible substitutes, such as nanoparticles. In this investigation, we choose to employ cerium oxide nanoparticles due to their unique antibacterial properties based on redox reactions. The cerium oxide-hydroxyapatite composite was synthesized, calcined, and ball-milled to create a fine CeO2-HA powder. Luffa cylindrica sponge was used to prepare the scaffold, and X-ray diffraction (XRD) and scanning electron microscopy (SEM) were used to investigate the structural and morphological features. Rapid upregulation of osteogenesis marker genes confirmed that CeO2-HA nanoparticles in the scaffolds promoted osteoblast cell proliferation and osteogenic differentiation. The cell viability test was conducted by MTT assay. When the CeO2-HA composite was cultured with S. aureus, it showed signs of having more antibacterial efficacy than pure HA.
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Affiliation(s)
- Sunita Das
- Biomaterials and Tissue Regeneration Lab, CETMS, Institute of Technical Education and Research, Siksha 'O' Anusandhan (Deemed to be University), Bhubaneswar, Odisha, India
| | - Subhasmita Swain
- Biomaterials and Tissue Regeneration Lab, CETMS, Institute of Technical Education and Research, Siksha 'O' Anusandhan (Deemed to be University), Bhubaneswar, Odisha, India
| | - Tapash Ranjan Rautray
- Biomaterials and Tissue Regeneration Lab, CETMS, Institute of Technical Education and Research, Siksha 'O' Anusandhan (Deemed to be University), Bhubaneswar, Odisha, India
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2
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Abramova AV, Kozlov DA, Veselova VO, Kozlova TO, Ivanova OS, Mikhalev ES, Voytov YI, Baranchikov AE, Ivanov VK, Cravotto G. Coating of Filter Materials with CeO 2 Nanoparticles Using a Combination of Aerodynamic Spraying and Suction. NANOMATERIALS (BASEL, SWITZERLAND) 2023; 13:3168. [PMID: 38133066 PMCID: PMC10745644 DOI: 10.3390/nano13243168] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/20/2023] [Revised: 12/08/2023] [Accepted: 12/14/2023] [Indexed: 12/23/2023]
Abstract
Textiles and nonwovens (including those used in ventilation systems as filters) are currently one of the main sources of patient cross-infection. Healthcare-associated infections (HAIs) affect 5-10% of patients and stand as the tenth leading cause of death. Therefore, the development of new methods for creating functional nanostructured coatings with antibacterial and antiviral properties on the surfaces of textiles and nonwoven materials is crucial for modern medicine. Antimicrobial filter technology must be high-speed, low-energy and safe if its commercialization and mass adoption are to be successful. Cerium oxide nanoparticles can act as active components in these coatings due to their high antibacterial activity and low toxicity. This paper focuses on the elaboration of a high-throughput and resource-saving method for the deposition of cerium oxide nanoparticles onto nonwoven fibrous material for use in air-conditioning filters. The proposed spraying technique is based on the use of an aerodynamic emitter and simultaneous suction. Cerium oxide nanoparticles have successfully been deposited onto the filter materials used in air conditioning systems; the antibacterial activity of the ceria-modified filters exceeded 4.0.
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Affiliation(s)
- Anna V. Abramova
- Kurnakov Institute of General and Inorganic Chemistry, Russian Academy of Sciences, Leninsky Prospekt 31, 119991 Moscow, Russia; (D.A.K.); (V.O.V.); (T.O.K.); (Y.I.V.); (V.K.I.)
| | - Daniil A. Kozlov
- Kurnakov Institute of General and Inorganic Chemistry, Russian Academy of Sciences, Leninsky Prospekt 31, 119991 Moscow, Russia; (D.A.K.); (V.O.V.); (T.O.K.); (Y.I.V.); (V.K.I.)
| | - Varvara O. Veselova
- Kurnakov Institute of General and Inorganic Chemistry, Russian Academy of Sciences, Leninsky Prospekt 31, 119991 Moscow, Russia; (D.A.K.); (V.O.V.); (T.O.K.); (Y.I.V.); (V.K.I.)
| | - Taisiya O. Kozlova
- Kurnakov Institute of General and Inorganic Chemistry, Russian Academy of Sciences, Leninsky Prospekt 31, 119991 Moscow, Russia; (D.A.K.); (V.O.V.); (T.O.K.); (Y.I.V.); (V.K.I.)
| | - Olga S. Ivanova
- Frumkin Institute of Physical Chemistry and Electrochemistry, Russian Academy of Sciences, Leninsky Prospekt 31, 119991 Moscow, Russia;
| | - Egor S. Mikhalev
- Limited Liability Company “Angstrem”, Bolshaya Polyanka, 51A/9, 119180 Moscow, Russia;
| | - Yuri I. Voytov
- Kurnakov Institute of General and Inorganic Chemistry, Russian Academy of Sciences, Leninsky Prospekt 31, 119991 Moscow, Russia; (D.A.K.); (V.O.V.); (T.O.K.); (Y.I.V.); (V.K.I.)
| | - Alexandr E. Baranchikov
- Kurnakov Institute of General and Inorganic Chemistry, Russian Academy of Sciences, Leninsky Prospekt 31, 119991 Moscow, Russia; (D.A.K.); (V.O.V.); (T.O.K.); (Y.I.V.); (V.K.I.)
| | - Vladimir K. Ivanov
- Kurnakov Institute of General and Inorganic Chemistry, Russian Academy of Sciences, Leninsky Prospekt 31, 119991 Moscow, Russia; (D.A.K.); (V.O.V.); (T.O.K.); (Y.I.V.); (V.K.I.)
| | - Giancarlo Cravotto
- Dipartimento di Scienza e Tecnologia del Farmaco, University of Turin, Via P. Giuria 9, 10125 Turin, Italy
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3
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Filippova AD, Sozarukova MM, Baranchikov AE, Kottsov SY, Cherednichenko KA, Ivanov VK. Peroxidase-like Activity of CeO 2 Nanozymes: Particle Size and Chemical Environment Matter. Molecules 2023; 28:molecules28093811. [PMID: 37175221 PMCID: PMC10180353 DOI: 10.3390/molecules28093811] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2023] [Revised: 04/24/2023] [Accepted: 04/27/2023] [Indexed: 05/15/2023] Open
Abstract
The enzyme-like activity of metal oxide nanoparticles is governed by a number of factors, including their size, shape, surface chemistry and substrate affinity. For CeO2 nanoparticles, one of the most prominent inorganic nanozymes that have diverse enzymatic activities, the size effect remains poorly understood. The low-temperature hydrothermal treatment of ceric ammonium nitrate aqueous solutions made it possible to obtain CeO2 aqueous sols with different particle sizes (2.5, 2.8, 3.9 and 5.1 nm). The peroxidase-like activity of ceria nanoparticles was assessed using the chemiluminescent method in different biologically relevant buffer solutions with an identical pH value (phosphate buffer and Tris-HCl buffer, pH of 7.4). In the phosphate buffer, doubling CeO2 nanoparticles' size resulted in a two-fold increase in their peroxidase-like activity. The opposite effect was observed for the enzymatic activity of CeO2 nanoparticles in the phosphate-free Tris-HCl buffer. The possible reasons for the differences in CeO2 enzyme-like activity are discussed.
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Affiliation(s)
- Arina D Filippova
- Kurnakov Institute of General and Inorganic Chemistry of the Russian Academy of Sciences, 119991 Moscow, Russia
| | - Madina M Sozarukova
- Kurnakov Institute of General and Inorganic Chemistry of the Russian Academy of Sciences, 119991 Moscow, Russia
| | - Alexander E Baranchikov
- Kurnakov Institute of General and Inorganic Chemistry of the Russian Academy of Sciences, 119991 Moscow, Russia
| | - Sergey Yu Kottsov
- Kurnakov Institute of General and Inorganic Chemistry of the Russian Academy of Sciences, 119991 Moscow, Russia
| | - Kirill A Cherednichenko
- Department of Physical and Colloid Chemistry, Faculty of Chemical and Environmental Engineering, National University of Oil and Gas "Gubkin University", 119991 Moscow, Russia
| | - Vladimir K Ivanov
- Kurnakov Institute of General and Inorganic Chemistry of the Russian Academy of Sciences, 119991 Moscow, Russia
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4
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Glaubitz C, Haeni L, Sušnik E, Rothen-Rutishauser B, Balog S, Petri-Fink A. The Influence of Liquid Menisci on Nanoparticle Dosimetry in Submerged Cells. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2023:e2206903. [PMID: 37021587 DOI: 10.1002/smll.202206903] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/08/2022] [Revised: 03/07/2023] [Indexed: 06/19/2023]
Abstract
Understanding the interaction between cells and nanoparticles (NPs) is vital to understand the hazard associated with nanoparticles. This requires quantifying and interpreting dose-response relationships. Experiments with cells cultured in vitro and exposed to particle dispersions mainly rely on mathematical models that estimate the received nanoparticle dose. However, models need to consider that aqueous cell culture media wets the inner surface of hydrophilic open wells, which results in a curved liquid-air interface called the meniscus. Here the impact of the meniscus on nanoparticle dosimetry is addressed in detail. Experiments and build an advanced mathematical model, to demonstrate that the presence of the meniscus may bring about systematic errors that must be considered to advance reproducibility and harmonization is presented. The script of the model is co-published and can be adapted to any experimental setup. Finally, simple and practical solutions to this problem, such as covering the air-liquid interface with a permeable lid or soft rocking of the cell culture well plate is proposed.
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Affiliation(s)
- Christina Glaubitz
- Adolphe Merkle Institute, University of Fribourg, Chemin des Verdiers 4, Fribourg, 1700, Switzerland
| | - Laetitia Haeni
- Adolphe Merkle Institute, University of Fribourg, Chemin des Verdiers 4, Fribourg, 1700, Switzerland
| | - Eva Sušnik
- Adolphe Merkle Institute, University of Fribourg, Chemin des Verdiers 4, Fribourg, 1700, Switzerland
| | | | - Sandor Balog
- Adolphe Merkle Institute, University of Fribourg, Chemin des Verdiers 4, Fribourg, 1700, Switzerland
| | - Alke Petri-Fink
- Adolphe Merkle Institute, University of Fribourg, Chemin des Verdiers 4, Fribourg, 1700, Switzerland
- Chemistry Department, University of Fribourg, Chemin du Musée 9, Fribourg, 1700, Switzerland
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5
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Li D, Guo Z, Zhao R, Yin N, Xu Q, Yao X. A simple method for the preparation of CeO 2with high antioxidant activity and wide application range. NANOTECHNOLOGY 2022; 34:105706. [PMID: 36562515 DOI: 10.1088/1361-6528/aca982] [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: 09/26/2022] [Accepted: 12/06/2022] [Indexed: 06/17/2023]
Abstract
Cerium oxide (CeO2) is a well-known antioxidant with the ability to scavenge reactive oxygen species due to its unique electronic structure and chemical properties. Although many methods to enhance the antioxidant activity of CeO2have been reported, its antioxidant activity is still not high enough, and some enhancement effects are limited by the material concentration. There are also some CeO2obtained with high antioxidant activity at high concentrations, which is not conducive to the application of biomedicine. Therefore, it is urgent to obtain CeO2material with low cell cytotoxicity, high antioxidant activity and wide application range. In this work, rod-like metal organic framework derived CeO2(CeO2-MOF) was prepared by a simple method. Compared with the CeO2nanorods prepared by hydrothermal method, it shows better antioxidant activity compared with the CeO2nanorods prepared by hydrothermal method. Moreover, the advantage of CeO2-MOF's antioxidant activity is not affected by the hydroxyl radical and material concentrations The reason why CeO2-MOF has higher antioxidant activity should be attributed to its higher Ce3+content and larger specific surface area. In addition, CeO2-MOF also exhibits low cytotoxicity to HeLa cells and PC12 cellsin vitro. The strategy of using MOF as a structural and compositional material to create CeO2provides a new method to explore highly efficient and biocompatible CeO2for practical applications.
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Affiliation(s)
- Dongxiao Li
- School of Chemical Sciences, University of Chinese Academy of Science, Beijing 100049, People's Republic of China
| | - Zhimin Guo
- School of Chemical Sciences, University of Chinese Academy of Science, Beijing 100049, People's Republic of China
| | - Ruihuan Zhao
- School of Chemical Sciences, University of Chinese Academy of Science, Beijing 100049, People's Republic of China
| | - Nan Yin
- School of Chemical Sciences, University of Chinese Academy of Science, Beijing 100049, People's Republic of China
| | - Qingling Xu
- School of Chemical Sciences, University of Chinese Academy of Science, Beijing 100049, People's Republic of China
| | - Xin Yao
- School of Chemical Sciences, University of Chinese Academy of Science, Beijing 100049, People's Republic of China
- Binzhou Institute of Technology, Binzhou 256601, People's Republic of China
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6
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Andronic L, Mamedov D, Cazan C, Popa M, Chifiriuc MC, Allaniyazov A, Palencsar S, Karazhanov SZ. Cerium oxide thin films: synthesis, characterization, photocatalytic activity and influence on microbial growth. BIOFOULING 2022; 38:865-875. [PMID: 36345787 DOI: 10.1080/08927014.2022.2144264] [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: 07/14/2022] [Revised: 10/31/2022] [Accepted: 10/31/2022] [Indexed: 06/16/2023]
Abstract
The resistance of surfaces to biofouling remains a significant advantage for optical devices working in natural conditions, increasing their lifetime and reducing maintenance costs. This paper reports on the functionalities of transparent CeO2 thin films with thicknesses between 25 and 600 nm deposited by reactive magnetron sputtering on the glass substrate. The CeO2 photocatalytic performance exhibited an efficiency of 30% on imidacloprid degradation under 6 h of UV radiation and increased linearly with the irradiation time, suggesting a complete degradation within 48 h. The films did not alter the growth rate of the green algae Chlorella vulgaris after 72 h short-term exposure. The tested CeO2 films proved to efficiently inhibit with high efficiency the Staphylococcus aureus biofilms and planktonic growth (reducing the counts of bacterial cells by 2 to 8 logs), demonstrating the promising potential of these materials for obtaining antimicrobial and antibiofilm surfaces, with broad applications for the biomedical, ecological and industrial fields.
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Affiliation(s)
- Luminita Andronic
- Product Design, Mechatronics and Environment Department, Transilvania University of Brasov, Brasov, Romania
| | - Damir Mamedov
- Department for Solar Energy, Institute for Energy Technology, Kjeller, Norway
- Department of Materials Science, Moscow Engineering Physics Institute, Moscow, Russia
| | - Cristina Cazan
- Product Design, Mechatronics and Environment Department, Transilvania University of Brasov, Brasov, Romania
| | - Marcela Popa
- Microbiology Immunology Department, Faculty of Biology, The Research Institute of the University of Bucharest (ICUB), University of Bucharest, Bucharest, Romania
| | - Mariana Carmen Chifiriuc
- Microbiology Immunology Department, Faculty of Biology, The Research Institute of the University of Bucharest (ICUB), University of Bucharest, Bucharest, Romania
- The Romanian Academy, Bucharest, Romania
- Academy of Romanian Scientists, Bucharest, Romania
| | | | - Simona Palencsar
- Department for Corrosion Technology, Institute for Energy Technology, Kjeller, Norway
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7
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Hul G, Ramseier Gentile S, Zimmermann S, Stoll S. Towards a better understanding of CeO2 manufactured nanoparticles adsorption onto sand grains used in drinking water treatment plants. Colloids Surf A Physicochem Eng Asp 2022. [DOI: 10.1016/j.colsurfa.2022.129000] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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8
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Wu D, Zhang J, Du W, Yin Y, Guo H. Toxicity mechanism of cerium oxide nanoparticles on cyanobacteria Microcystis aeruginosa and their ecological risks. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2022; 29:34010-34018. [PMID: 35031986 DOI: 10.1007/s11356-021-18090-1] [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: 08/31/2021] [Accepted: 12/09/2021] [Indexed: 06/14/2023]
Abstract
The extensive application of cerium oxide nanoparticles (CeO2 NPs), a type of rare earth nanomaterial, led to pollution into aquatic environments. Cyanobacteria, a significant component of freshwater ecosystems, can interact with CeO2 NPs. However, little attention has been paid as to whether CeO2 NPs will have adverse effects on cyanobacteria. In the present study, Microcystis aeruginosa (FACHB-942) was exposed to different concentrations (0, 1, 10, and 50 mg/L) of CeO2 NPs. Results showed 50 mg/L CeO2 NPs inhibited algal growth (11.48% ± 5.76%), suppressed photosynthesis and induced the generation of reactive oxygen species (ROS) after 72 h exposure. The toxicity mechanism is the adsorption of CeO2 NPs on cell surface, the ROS formation and the intracellular Ce. Additionally, the intracellular microcystins (MCs) content was significantly induced (11.84% ± 1.47%) by 50 mg/L CeO2 NPs, while no significance was found in 1 and 10 mg/L CeO2 NP treatments. Results indicated high concentrations of CeO2 NPs could be toxic to algae through the adverse effects on algal growth and photosynthesis. Moreover, the promoted MCs production could also pose a threat to freshwater ecosystems due to the possible release into the environment.
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Affiliation(s)
- Di Wu
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing, 210023, China
| | - Juanjuan Zhang
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing, 210023, China
| | - Wenchao Du
- School of Environment, Nanjing Normal University, Nanjing, 210023, China
| | - Ying Yin
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing, 210023, China.
- Joint International Research Centre for Critical Zone Science, University of Leeds and Nanjing University, Nanjing University, Nanjing, 210023, China.
| | - Hongyan Guo
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing, 210023, China
- Joint International Research Centre for Critical Zone Science, University of Leeds and Nanjing University, Nanjing University, Nanjing, 210023, China
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9
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Safe-and-Sustainable-by-Design Framework Based on a Prospective Life Cycle Assessment: Lessons Learned from a Nano-Titanium Dioxide Case Study. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 19:ijerph19074241. [PMID: 35409922 PMCID: PMC8998679 DOI: 10.3390/ijerph19074241] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/28/2022] [Revised: 03/26/2022] [Accepted: 03/28/2022] [Indexed: 02/04/2023]
Abstract
Safe-and-sustainable-by-design (SSbD) is a concept that takes a systems approach by integrating safety, sustainability, and functionality throughout a product’s the life cycle. This paper proposes a framework based on a prospective life cycle assessment for early safety and sustainability assessment. The framework’s purpose is to identify environmental sustainability and toxicity hotspots early in the innovation process for future SSbD applicability. If this is impossible, key performance indicators are assessed. Environmental sustainability aspects, such as global warming potential (GWP) and cumulative energy demand (CED), and toxicity aspects, such as human toxicity potential and freshwater ecotoxicity potential, were assessed upon applying the framework on a case study. The case study regarded using nano-titanium dioxide (P25-TiO2) or a modified nano-coated version (Cu2O-coated/P25-TiO2) as photocatalysts to produce hydrogen from water using sunlight. Although there was a decrease in environmental impact (GWP and CED), the modified nano-coated version had a relatively higher level of human toxicity and freshwater eco-toxicity. For the presented case study, SSbD alternatives need to be considered that improve the photocatalytic activity but are not toxic to the environment. This case study illustrates the importance of performing an early safety and environmental sustainability assessment to avoid the development of toxic alternatives.
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10
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Mycoremediation and toxicity assessment of textile effluent pertaining to its possible correlation with COD. Sci Rep 2021; 11:15978. [PMID: 34354096 PMCID: PMC8342482 DOI: 10.1038/s41598-021-94666-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2021] [Accepted: 06/16/2021] [Indexed: 11/09/2022] Open
Abstract
Globally, textile industries are one of the major sectors releasing dye pollutants. This is the first report on the positive correlation between toxicity and chemical oxygen demand (COD) of textile effluent along with the proposed pathway for enzymatic degradation of acid orange 10 using Geotrichum candidum within a very short stretch of time (18 h). Removal efficiency of this mycoremedial approach after 18 h in terms of chemical oxygen demand, biological oxygen demand, total suspended solids, salinity, color and dye concentration in the treated effluent reached to 98.5%, 56.3%,73.2%, 64%, 89% and 87% respectively. Also there was a decrease in pH of the treated effluent. FTIR analysis of the treated effluent confirmed biodegradation. The LCMS analysis showed the degradation of acid orange 10, which was confirmed by the formation of two biodegradation products, 7-oxo-8-iminonapthalene-1,3-disulfonate and nitrosobenzene, which subsequently undergoes stepwise hydrogenation and dehydration to form aniline via phenyl hydroxyl amine as intermediate. The X-ray diffraction studies showed that heavy metal content in the treated effluent has reduced along with decrease in % crystallinity, indicating biodegradation. The connection between toxicity and COD was also inveterated using Pearson's correlation coefficient. Further the toxicological studies indicated the toxicity of raw textile effluent and relatively lower toxic nature of metabolites generated after biodegradation by G. candidum.
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11
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Gupta NK, Bae J, Kim KS. A novel one-step synthesis of Ce/Mn/Fe mixed metal oxide nanocomposites for oxidative removal of hydrogen sulfide at room temperature. RSC Adv 2021; 11:26739-26749. [PMID: 35479990 PMCID: PMC9037696 DOI: 10.1039/d1ra03309c] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2021] [Accepted: 07/28/2021] [Indexed: 11/21/2022] Open
Abstract
In this study, CeO2/Fe2O3, CeO2/Mn2O3, and CeO2/Mn2O3/Fe2O3 nanocomposites were synthesized by the calcination of molten salt solutions. The microscopic images confirmed polyhedral nanocrystals of 10–20 nm size, clustered to form nanospheres. The elemental mapping confirmed the uniform distribution of transition metal oxides in the CeO2 matrix. The X-ray diffraction analysis confirmed the phase purity of metal oxides in nanocomposites. The surface area of nanocomposites was in the range of 16–21 m2 g−1. X-ray photoelectron spectroscopy confirmed 25–28% of Ce3+ ions in the CeO2 of nanocomposites. These nanocomposites were tested for the removal of hydrogen sulfide gas at room temperature. The maximum adsorption capacity of 28.3 mg g−1 was recorded for CeO2/Mn2O3/Fe2O3 with 500 ppm of H2S gas and 0.2 L min−1 of flow rate. The adsorption mechanism probed by X-ray photoelectron spectroscopy showed the presence of sulfate as the only species formed from the oxidation of H2S, which was further confirmed by ion chromatography. Thus, the study reports room-temperature oxidation of H2S over mixed metal composites, which were synthesized by a novel one-step approach. In this study, CeO2/Fe2O3, CeO2/Mn2O3, and CeO2/Mn2O3/Fe2O3 nanocomposites were synthesized by the calcination of molten salt solutions.![]()
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Affiliation(s)
- Nishesh Kumar Gupta
- University of Science and Technology (UST) Daejeon Republic of Korea.,Department of Land, Water, and Environment Research, Korea Institute of Civil Engineering and Building Technology (KICT) Goyang Republic of Korea
| | - Jiyeol Bae
- University of Science and Technology (UST) Daejeon Republic of Korea.,Department of Land, Water, and Environment Research, Korea Institute of Civil Engineering and Building Technology (KICT) Goyang Republic of Korea
| | - Kwang Soo Kim
- University of Science and Technology (UST) Daejeon Republic of Korea.,Department of Land, Water, and Environment Research, Korea Institute of Civil Engineering and Building Technology (KICT) Goyang Republic of Korea
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12
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Valdiglesias V, Fernández-Bertólez N, Lema-Arranz C, Rodríguez-Fernández R, Pásaro E, Reis AT, Teixeira JP, Costa C, Laffon B. Salivary Leucocytes as In Vitro Model to Evaluate Nanoparticle-Induced DNA Damage. NANOMATERIALS (BASEL, SWITZERLAND) 2021; 11:1930. [PMID: 34443762 PMCID: PMC8400528 DOI: 10.3390/nano11081930] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/19/2021] [Revised: 07/11/2021] [Accepted: 07/21/2021] [Indexed: 02/07/2023]
Abstract
Metal oxide nanoparticles (NPs) have a wide variety of applications in many consumer products and biomedical practices. As a result, human exposure to these nanomaterials is highly frequent, becoming an issue of concern to public health. Recently, human salivary leucocytes have been proposed as an adequate non-invasive alternative to peripheral blood leucocytes to evaluate genotoxicity in vitro. The present study focused on proving the suitability of salivary leucocytes as a biomatrix in the comet assay for in vitro nanogenotoxicity studies, by testing some of the metal oxide NPs most frequently present in consumer products, namely, titanium dioxide (TiO2), zinc oxide (ZnO), and cerium dioxide (CeO2) NPs. Primary and oxidative DNA damage were evaluated by alkaline and hOGG1-modified comet assay, respectively. Any possible interference of the NPs with the methodological procedure or the hOGG1 activity was addressed before performing genotoxicity evaluation. Results obtained showed an increase of both primary and oxidative damage after NPs treatments. These data support the use of salivary leucocytes as a proper and sensitive biological sample for in vitro nanogenotoxicity studies, and contribute to increase the knowledge on the impact of metal oxide NPs on human health, reinforcing the need for a specific regulation of the nanomaterials use.
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Affiliation(s)
- Vanessa Valdiglesias
- Universidade da Coruña, Grupo DICOMOSA, Centro de Investigaciones Científicas Avanzadas (CICA), Departamento de Biología, Facultad de Ciencias, Campus A Zapateira s/n, 15071 A Coruña, Spain;
- Instituto de Investigación Biomédica de A Coruña (INIBIC), AE CICA-INIBIC, Oza, 15071 A Coruña, Spain; (N.F.-B.); (R.R.-F.); (E.P.); (B.L.)
| | - Natalia Fernández-Bertólez
- Instituto de Investigación Biomédica de A Coruña (INIBIC), AE CICA-INIBIC, Oza, 15071 A Coruña, Spain; (N.F.-B.); (R.R.-F.); (E.P.); (B.L.)
- Universidade da Coruña, Grupo DICOMOSA, Centro de Investigaciones Científicas Avanzadas (CICA), Departamento de Psicología, Facultad de Ciencias de la Educación, Campus Elviña s/n, 15071 A Coruña, Spain
| | - Carlota Lema-Arranz
- Universidade da Coruña, Grupo DICOMOSA, Centro de Investigaciones Científicas Avanzadas (CICA), Departamento de Biología, Facultad de Ciencias, Campus A Zapateira s/n, 15071 A Coruña, Spain;
- Instituto de Investigación Biomédica de A Coruña (INIBIC), AE CICA-INIBIC, Oza, 15071 A Coruña, Spain; (N.F.-B.); (R.R.-F.); (E.P.); (B.L.)
| | - Raquel Rodríguez-Fernández
- Instituto de Investigación Biomédica de A Coruña (INIBIC), AE CICA-INIBIC, Oza, 15071 A Coruña, Spain; (N.F.-B.); (R.R.-F.); (E.P.); (B.L.)
- Universidade da Coruña, Grupo DICOMOSA, Centro de Investigaciones Científicas Avanzadas (CICA), Departamento de Psicología, Facultad de Ciencias de la Educación, Campus Elviña s/n, 15071 A Coruña, Spain
| | - Eduardo Pásaro
- Instituto de Investigación Biomédica de A Coruña (INIBIC), AE CICA-INIBIC, Oza, 15071 A Coruña, Spain; (N.F.-B.); (R.R.-F.); (E.P.); (B.L.)
- Universidade da Coruña, Grupo DICOMOSA, Centro de Investigaciones Científicas Avanzadas (CICA), Departamento de Psicología, Facultad de Ciencias de la Educación, Campus Elviña s/n, 15071 A Coruña, Spain
| | - Ana Teresa Reis
- Environmental Health Department, National Institute of Health, 4000-055 Porto, Portugal; (A.T.R.); (J.P.T.); (C.C.)
- EPIUnit-Instituto de Saúde Pública, Universidade do Porto, 4050-600 Porto, Portugal
- Laboratory for Integrative and Translational Research in Population Health (ITR), 4050-600 Porto, Portugal
| | - João Paulo Teixeira
- Environmental Health Department, National Institute of Health, 4000-055 Porto, Portugal; (A.T.R.); (J.P.T.); (C.C.)
- EPIUnit-Instituto de Saúde Pública, Universidade do Porto, 4050-600 Porto, Portugal
- Laboratory for Integrative and Translational Research in Population Health (ITR), 4050-600 Porto, Portugal
| | - Carla Costa
- Environmental Health Department, National Institute of Health, 4000-055 Porto, Portugal; (A.T.R.); (J.P.T.); (C.C.)
- EPIUnit-Instituto de Saúde Pública, Universidade do Porto, 4050-600 Porto, Portugal
- Laboratory for Integrative and Translational Research in Population Health (ITR), 4050-600 Porto, Portugal
| | - Blanca Laffon
- Instituto de Investigación Biomédica de A Coruña (INIBIC), AE CICA-INIBIC, Oza, 15071 A Coruña, Spain; (N.F.-B.); (R.R.-F.); (E.P.); (B.L.)
- Universidade da Coruña, Grupo DICOMOSA, Centro de Investigaciones Científicas Avanzadas (CICA), Departamento de Psicología, Facultad de Ciencias de la Educación, Campus Elviña s/n, 15071 A Coruña, Spain
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Bahreinipour M, Zarei H, Dashtestani F, Rashidiani J, Eskandari K, Zarandi SAM, Ardestani SK, Watabe H. Radioprotective effect of nanoceria and magnetic flower-like iron oxide microparticles on gamma radiation-induced damage in BSA protein. AIMS BIOPHYSICS 2021. [DOI: 10.3934/biophy.2021010] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023] Open
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14
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Correia AT, Rodrigues S, Ferreira-Martins D, Nunes AC, Ribeiro MI, Antunes SC. Multi-biomarker approach to assess the acute effects of cerium dioxide nanoparticles in gills, liver and kidney of Oncorhynchus mykiss. Comp Biochem Physiol C Toxicol Pharmacol 2020; 238:108842. [PMID: 32777470 DOI: 10.1016/j.cbpc.2020.108842] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/16/2020] [Revised: 07/23/2020] [Accepted: 07/27/2020] [Indexed: 12/14/2022]
Abstract
Cerium oxide nanoparticles (CeO2-NP) have already been detected in the aquatic compartment, however, the evaluation of potential ecotoxicological effects on biota are scarce. The present study aimed to assess the toxic effects of CeO2-NP in Oncorhynchus mykiss in different organs/tissues (gills, liver and kidney) after acute exposure (96 h) to three concentrations: 0.25, 2.5 and 25 mg/L. Oxidative stress response (catalase - CAT; glutathione S-transferases - GSTs), lipid peroxidation (thiobarbituric acid reactive substances - TBARS), Na+/K+-ATPase activity, genotoxicity (genetic damage index - GDI) and histopathology (organ's pathological indices) were evaluated. CAT activity was increased in gills and decreased in liver of fish exposed to the highest CeO2-NPs concentration tested. However, GSTs and Na+/K+-ATPase activities and TBARS levels were not significantly altered in analysed organs. CeO2-NP caused marked changes in the gills (aneurysms, blood capillary congestion, lamellar hypertrophy and hyperplasia, secondary lamella fusion and epithelial lifting), in liver (pyknotic nucleus, hyperemia, enlargement of sinusoids and leucocyte infiltration) and kidney (shrinkage of the glomeruli, enlargement of the Bowman space, tubular degeneration and nuclear hypertrophy). Moreover, a semi-quantitative histopathological scoring system (pathological index) confirmed significant alterations in the three organs of all exposed fish. Furthermore, a significant increase of GDI indices observed in gills and liver, for all tested concentrations, indicated a dose-dependent effect. The present study suggests that the release of CeO2-NP into the aquatic environment promotes biochemical, genotoxic and histopathological damages in fish. However, the mechanisms underlying the occurrence of such effects require further investigation.
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Affiliation(s)
- Alberto Teodorico Correia
- Centro Interdisciplinar de Investigação Marinha e Ambiental (CIIMAR/CIMAR), Terminal de Cruzeiros do Porto de Leixões, Avenida General Norton de Matos S/N, 4450-208 Matosinhos, Portugal; Faculdade de Ciências da Saúde da Universidade Fernando Pessoa (FCS-UFP), Rua Carlos da Maia, 296, 4200-150 Porto, Portugal
| | - Sara Rodrigues
- Centro Interdisciplinar de Investigação Marinha e Ambiental (CIIMAR/CIMAR), Terminal de Cruzeiros do Porto de Leixões, Avenida General Norton de Matos S/N, 4450-208 Matosinhos, Portugal; Departamento de Biologia da Faculdade de Ciências da Universidade do Porto (FCUP), Rua do Campo Alegre s/n, 4169-007 Porto, Portugal
| | | | - Ana Cristina Nunes
- Centro Interdisciplinar de Investigação Marinha e Ambiental (CIIMAR/CIMAR), Terminal de Cruzeiros do Porto de Leixões, Avenida General Norton de Matos S/N, 4450-208 Matosinhos, Portugal; Faculdade de Ciências da Saúde da Universidade Fernando Pessoa (FCS-UFP), Rua Carlos da Maia, 296, 4200-150 Porto, Portugal
| | - Maria Inês Ribeiro
- Centro Interdisciplinar de Investigação Marinha e Ambiental (CIIMAR/CIMAR), Terminal de Cruzeiros do Porto de Leixões, Avenida General Norton de Matos S/N, 4450-208 Matosinhos, Portugal; Faculdade de Ciências da Saúde da Universidade Fernando Pessoa (FCS-UFP), Rua Carlos da Maia, 296, 4200-150 Porto, Portugal
| | - Sara C Antunes
- Centro Interdisciplinar de Investigação Marinha e Ambiental (CIIMAR/CIMAR), Terminal de Cruzeiros do Porto de Leixões, Avenida General Norton de Matos S/N, 4450-208 Matosinhos, Portugal; Departamento de Biologia da Faculdade de Ciências da Universidade do Porto (FCUP), Rua do Campo Alegre s/n, 4169-007 Porto, Portugal.
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15
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Ghosh T, Choudhary N, Mobin SM. Design and Synthesis of Silver Decorated Fe
3
O
4
@ Fe Doped CeO
2
Core‐Shell Ternary Composite as Highly Efficient Nanocatalyst for Selective Oxidation of Alkenes. ChemistrySelect 2020. [DOI: 10.1002/slct.202002349] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Affiliation(s)
- Topi Ghosh
- Discipline of ChemistryIndian Institute of Technology Indore Simrol, Khandwa Road Indore 453552 India
| | - Neha Choudhary
- Discipline of ChemistryIndian Institute of Technology Indore Simrol, Khandwa Road Indore 453552 India
| | - Shaikh M. Mobin
- Discipline of ChemistryIndian Institute of Technology Indore Simrol, Khandwa Road Indore 453552 India
- Discipline of Metallurgy Engineering and Materials ScienceIndian Institute of Technology Indore Simrol Khandwa Road Indore 453552 India
- Discipline of Biosciences and Bio-Medical EngineeringIndian Institute of Technology Indore Simrol Khandwa Road Indore 453552 India
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16
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Zhao G, Wu D, Cao S, Du W, Yin Y, Guo H. Effects of CeO 2 Nanoparticles on Microcystis aeruginosa Growth and Microcystin Production. BULLETIN OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY 2020; 104:834-839. [PMID: 32306073 DOI: 10.1007/s00128-020-02842-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/21/2019] [Accepted: 03/30/2020] [Indexed: 06/11/2023]
Abstract
The interaction between metal oxide nanoparticles and toxin-producing cyanobacteria is relatively unknown. The present work exposed Microcystis sp.7806 to different concentrations of cerium oxide nanoparticles (CeO2 NPs) (1 mg/L, 10 mg/L and 50 mg/L), and evaluated the growth, photosynthetic activity, reactive oxygen species level, and the extra-(intra-) cellular microcystin-LR (MC-LR) contents. The particle size, zeta potential and cerium ions released into the medium were analyzed. Results showed 10 mg/L NP treatment promoted algae growth but slightly inhibited the photosynthetic yield of algae, and the 50 mg/L treatment reduced algae biomass. The algal cells remarkably responded to oxidative stress at higher concentrations (10 mg/L and 50 mg/L). CeO2 NPs largely increased the intracellular MC-LR content at 50 mg/L, and significantly reduced the extracellular MC-LR content at any concentration. This demonstrates CeO2 NPs may pose an ecological risk potential during harmful algal blooms by stimulating toxin production.
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Affiliation(s)
- Guiqi Zhao
- State Key Laboratory of Pollution Control and Resources Reuse, School of Environment, Nanjing University, Nanjing, 210023, China
| | - Di Wu
- State Key Laboratory of Pollution Control and Resources Reuse, School of Environment, Nanjing University, Nanjing, 210023, China
| | - Shenglai Cao
- State Key Laboratory of Pollution Control and Resources Reuse, School of Environment, Nanjing University, Nanjing, 210023, China
| | - Wenchao Du
- School of Environment, Nanjing Normal University, Nanjing, 210023, China
| | - Ying Yin
- State Key Laboratory of Pollution Control and Resources Reuse, School of Environment, Nanjing University, Nanjing, 210023, China.
| | - Hongyan Guo
- State Key Laboratory of Pollution Control and Resources Reuse, School of Environment, Nanjing University, Nanjing, 210023, China
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17
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Miri A, Akbarpour Birjandi S, Sarani M. Survey of cytotoxic and UV protection effects of biosynthesized cerium oxide nanoparticles. J Biochem Mol Toxicol 2020; 34:e22475. [PMID: 32053270 DOI: 10.1002/jbt.22475] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2019] [Revised: 12/24/2019] [Accepted: 02/06/2020] [Indexed: 11/07/2022]
Abstract
Cerium oxide nanoparticles (CeO2 NPs) are among the important nanoparticles that are extensively utilized in cosmetics, automotive industries, ultraviolet (UV) filtration, gas sensors, and pharmaceutical products. In this study, CeO2 NPs were synthesized using an aqueous extract of Ziziphus jujube fruit. The synthesized nanoparticles were characterized using UV-visible spectroscopy, powder X-ray diffraction, Fourier transform infrared spectroscopy, energy-dispersive spectroscopy, field energy scanning electron microscopy, and Raman methods. The results indicated that the size of synthesized nanoparticles is between 18 and 25 nm, and they have a spherical shape. UV absorbance of the synthesized nanoparticles was measured through spectrophotometric method in the range of 290 to 320 nm. The cytotoxic activity of synthesized CeO2 NPs against colon (HT-29) cancer cell line was surveyed through 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide assay. The results showed that synthesized nanoparticles are nontoxic on HT-29 cells under 400 μg/mL concentrations after 24 hours of treatment time periods. The increase in treatment time cases increases cytotoxic activity of synthesized nanoparticles. Sun protection factor of CeO2 NPs, as a criterion for amount of sunlight radiation protection, was determined by applying Mansur equation. The results demonstrated that synthesized CeO2 NPs have excellent UV protection and sunscreen physical absorption properties.
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Affiliation(s)
- Abdolhossein Miri
- Department of Pharmacognosy, Faculty of Pharmacy, Zabol University of Medical Sciences, Zabol, Iran
| | - Shiva Akbarpour Birjandi
- Department of Pharmacognosy, Faculty of Pharmacy, Zabol University of Medical Sciences, Zabol, Iran
| | - Mina Sarani
- Zabol Medicinal Plants, Research Center, Zabol University of Medical Sciences, Zabol, Iran
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18
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Nurhasanah I, Safitri W, Arifin Z, Subagio A, Windarti T. Antioxidant activity and dose enhancement factor of CeO2 nanoparticles synthesized by precipitation method. ACTA ACUST UNITED AC 2018. [DOI: 10.1088/1757-899x/432/1/012031] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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19
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20
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Lai RWS, Yeung KWY, Yung MMN, Djurišić AB, Giesy JP, Leung KMY. Regulation of engineered nanomaterials: current challenges, insights and future directions. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2018; 25:3060-3077. [PMID: 28639026 DOI: 10.1007/s11356-017-9489-0] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/30/2017] [Accepted: 06/07/2017] [Indexed: 05/25/2023]
Abstract
Substantial production and wide applications of engineered nanomaterials (ENMs) have raised concerns over their potential influences on the environment and humans. However, regulations of products containing ENMs are scarce, even in countries with the greatest volume of ENMs produced, such as the United States and China. After a comprehensive review of life cycles of ENMs, five major challenges to regulators posed by ENMs are proposed in this review: (a) ENMs exhibit variable physicochemical characteristics, which makes them difficult for regulators to establish regulatory definition; (b) Due to diverse sources and transport pathways for ENMs, it is difficult to monitor or predict their fates in the environment; (c) There is a lack of reliable techniques for quantifying exposures to ENMs; (d) Because of diverse intrinsic properties of ENMs and dynamic environmental conditions, it is difficult to predict bioavailability of ENMs on wildlife and the environment; and (e) There are knowledge gaps in toxicity and toxic mechanisms of ENMs from which to predict their hazards. These challenges are all related to issues in conventional assessments of risks that regulators rely on. To address the fast-growing nanotechnology market with limited resources, four ENMs (nanoparticles of Ag, TiO2, ZnO and Fe2O3) have been prioritized for research. Compulsory reporting schemes (registration and labelling) for commercial products containing ENMs should be adopted. Moreover, to accommodate their potential risks in time, an integrative use of quantitative structure-activity relationship and adverse outcome pathway (QSAR-AOP), together with qualitative alternatives to conventional risk assessment are proposed as tools for decision making of regulators.
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Affiliation(s)
- Racliffe W S Lai
- The Swire Institute of Marine Science and School of Biological Sciences, The University of Hong Kong, Pokfulam, Hong Kong, China
| | - Katie W Y Yeung
- The Swire Institute of Marine Science and School of Biological Sciences, The University of Hong Kong, Pokfulam, Hong Kong, China
| | - Mana M N Yung
- The Swire Institute of Marine Science and School of Biological Sciences, The University of Hong Kong, Pokfulam, Hong Kong, China
| | | | - John P Giesy
- The Swire Institute of Marine Science and School of Biological Sciences, The University of Hong Kong, Pokfulam, Hong Kong, China
- Department of Veterinary Biomedical Sciences and Toxicology Centre, University of Saskatchewan, Saskatoon, SK, Canada
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing, People's Republic of China
| | - Kenneth M Y Leung
- The Swire Institute of Marine Science and School of Biological Sciences, The University of Hong Kong, Pokfulam, Hong Kong, China.
- State Key Laboratory in Marine Pollution, City University of Hong Kong, Tat Chee Avenue, Kowloon, Hong Kong, China.
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21
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Sugantharaj David EMD, Madurantakam Royam M, Rajamani Sekar SK, Manivannan B, Jalaja Soman S, Mukherjee A, Natarajan C. Toxicity, uptake, and accumulation of nano and bulk cerium oxide particles in Artemia salina. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2017; 24:24187-24200. [PMID: 28887611 DOI: 10.1007/s11356-017-9975-4] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/11/2017] [Accepted: 08/18/2017] [Indexed: 06/07/2023]
Abstract
Although the toxicological impact of metal oxide nanoparticles has been studied for the last few decades on aquatic organisms, the exact mechanism of action is still unclear. The fate, behavior, and biological activity of nanoparticles are dependent on physicochemical factors like size, shape, surface area, and stability in the medium. This study deals with the effect of nano and bulk CeO2 particles on marine microcrustacean, Artemia salina. The primary size was found to be 15 ± 3.5 and 582 ± 50 nm for nano and bulk CeO2 (TEM), respectively. The colloidal stability and sedimentation assays showed rapid aggregation of bulk particles in seawater. Both the sizes of CeO2 particles inhibited the hatching rate of brine shrimp cyst. Nano CeO2 was found to be more toxic to A. salina (48 h LC50 38.0 mg/L) when compared to bulk CeO2 (48 h LC50 92.2 mg/L). Nano CeO2-treated A. salina showed higher oxidative stress (ROS) than those treated with the bulk form. The reduction in the antioxidant activity indicated an increase in oxidative stress in the cells. Higher acetylcholinesterase activity (AChE) was observed upon exposure to nano and bulk CeO2 particles. The uptake and accumulation of CeO2 particles were increased with respect to the concentration and particle size. Thus, the above results revealed that nano CeO2 was more lethal to A. salina as compared to bulk particles.
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Affiliation(s)
| | | | | | | | | | - Amitava Mukherjee
- Centre for Nanobiotechnology, VIT University, Vellore, 632 014, India
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22
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Dekkers S, Miller MR, Schins RPF, Römer I, Russ M, Vandebriel RJ, Lynch I, Belinga-Desaunay MF, Valsami-Jones E, Connell SP, Smith IP, Duffin R, Boere JAF, Heusinkveld HJ, Albrecht C, de Jong WH, Cassee FR. The effect of zirconium doping of cerium dioxide nanoparticles on pulmonary and cardiovascular toxicity and biodistribution in mice after inhalation. Nanotoxicology 2017; 11:794-808. [PMID: 28741972 DOI: 10.1080/17435390.2017.1357214] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Development and manufacture of nanomaterials is growing at an exponential rate, despite an incomplete understanding of how their physicochemical characteristics affect their potential toxicity. Redox activity has been suggested to be an important physicochemical property of nanomaterials to predict their biological activity. This study assessed the influence of redox activity by modification of cerium dioxide nanoparticles (CeO2 NPs) via zirconium (Zr) doping on the biodistribution, pulmonary and cardiovascular effects in mice following inhalation. Healthy mice (C57BL/6 J), mice prone to cardiovascular disease (ApoE-/-, western-diet fed) and a mouse model of neurological disease (5 × FAD) were exposed via nose-only inhalation to CeO2 NPs with varying amounts of Zr-doping (0%, 27% or 78% Zr), or clean air, over a four-week period (4 mg/m3 for 3 h/day, 5 days/week). Effects were assessed four weeks post-exposure. In all three mouse models CeO2 NP exposure had no major toxicological effects apart from some modest inflammatory histopathology in the lung, which was not related to the amount of Zr-doping. In ApoE-/- mice CeO2 did not change the size of atherosclerotic plaques, but there was a trend towards increased inflammatory cell content in relation to the Zr content of the CeO2 NPs. These findings show that subacute inhalation of CeO2 NPs causes minimal pulmonary and cardiovascular effect four weeks post-exposure and that Zr-doping of CeO2 NPs has limited effect on these responses. Further studies with nanomaterials with a higher inherent toxicity or a broader range of redox activities are needed to fully assess the influence of redox activity on the toxicity of nanomaterials.
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Affiliation(s)
- Susan Dekkers
- a National Institute for Public Health and the Environment , Bilthoven , The Netherlands
| | - Mark R Miller
- b Centre for Cardiovascular Science & Centre for Inflammation Research, University of Edinburgh , Edinburgh , UK
| | - Roel P F Schins
- c IUF - Leibniz Research Institute for Environmental Medicine , Düsseldorf , Germany
| | - Isabella Römer
- d School of Geography, Earth and Environmental Sciences , University of Birmingham , Birmingham , UK
| | - Mike Russ
- e Promethean Particles Ltd. , Nottingham , UK
| | - Rob J Vandebriel
- a National Institute for Public Health and the Environment , Bilthoven , The Netherlands
| | - Iseult Lynch
- d School of Geography, Earth and Environmental Sciences , University of Birmingham , Birmingham , UK
| | | | - Eugenia Valsami-Jones
- d School of Geography, Earth and Environmental Sciences , University of Birmingham , Birmingham , UK
| | - Shea P Connell
- b Centre for Cardiovascular Science & Centre for Inflammation Research, University of Edinburgh , Edinburgh , UK
| | - Ian P Smith
- b Centre for Cardiovascular Science & Centre for Inflammation Research, University of Edinburgh , Edinburgh , UK
| | - Rodger Duffin
- b Centre for Cardiovascular Science & Centre for Inflammation Research, University of Edinburgh , Edinburgh , UK
| | - John A F Boere
- a National Institute for Public Health and the Environment , Bilthoven , The Netherlands
| | - Harm J Heusinkveld
- a National Institute for Public Health and the Environment , Bilthoven , The Netherlands.,c IUF - Leibniz Research Institute for Environmental Medicine , Düsseldorf , Germany
| | - Catrin Albrecht
- c IUF - Leibniz Research Institute for Environmental Medicine , Düsseldorf , Germany
| | - Wim H de Jong
- a National Institute for Public Health and the Environment , Bilthoven , The Netherlands
| | - Flemming R Cassee
- a National Institute for Public Health and the Environment , Bilthoven , The Netherlands.,f Institute for Risk Assessment Sciences, Utrecht University , Utrecht , The Netherlands
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Sendra M, Yeste PM, Moreno-Garrido I, Gatica JM, Blasco J. CeO 2 NPs, toxic or protective to phytoplankton? Charge of nanoparticles and cell wall as factors which cause changes in cell complexity. THE SCIENCE OF THE TOTAL ENVIRONMENT 2017; 590-591:304-315. [PMID: 28283294 DOI: 10.1016/j.scitotenv.2017.03.007] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/16/2016] [Revised: 03/01/2017] [Accepted: 03/01/2017] [Indexed: 05/21/2023]
Abstract
CeO2 nanoparticles (CeO2 NPs) are well-known for their catalytic properties and antioxidant potential. Recent uses in therapy are based on the Ce+3 ions released by CeO2 NPs. Reactions involving redox cycles between Ce+3 and Ce+4 oxidation stage seem to promote scavenging of reactive oxygen species (ROS), thus protecting cells from oxygen damage. However, the internalization of CeO2 NPs and release of Ce+3 could be responsible for a toxic effect on cells. The literature reports controversial results on the toxicity of CeO2 NPs to phytoplankton. Therefore, we have tested the potential toxic effect of two CeO2 NPs (with positive and negative zeta potential) and bulk CeO2 (at 0.1, 1, 10, 100 and 200mg·L-1) on three species of microalgae from different environments: marine diatom (Phaeodactylum tricornutum), marine chlorophyte (Nannochloris atomus) and freshwater chlorophyte (Chlamydomonas reinhardtii) over 72h in batch cultures. Responses measured in the microalgae population are: growth, chlorophyll a, cell size, cell complexity, percentage of ROS, and percentage of cell membrane damage. Positive zeta potential CeO2 NPs provoked greater cell complexity (up to 78, 172 and 23 times more cell complexity than in controls found for C. reinhardtii, P. tricornutum and N. atomus respectively) than negative zeta potential CeO2 NPs. The SSC signal detected by flow cytometry measured increases of particles entering cells, and this is related to cell viability and levels of intracellular ROS (correlation between SSC and percentage of ROS of 0.72 and 0.97 found for C. reinhardtii and P. tricornutum). When increased cellular complexity over controls is between 2 and 6 times greater, CeO2 (in bulk or nanoparticulate form) seems to protect against ROS. When increased cellular complexity is from 7 to 23 times greater, CeO2 does not provoke toxic responses; however, when increased cellular complexity over controls is very high, from 61 to 172 times, increased ROS production and toxic responses are found. Results show that two factors, the charge of CeO2 NPs and cell wall structure, constitute the primary barrier to the possible accumulation of CeO2 NPs within phytoplankton cytosol.
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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, Spain.
| | - P M Yeste
- Department of Material Science, Metallurgical Engineering and Inorganic Chemistry, Faculty of Sciences, University of Cadiz, E-11510 Puerto Real, Cádiz, Spain
| | - I Moreno-Garrido
- Department of Ecology and Coastal Management, Institute of Marine Sciences of Andalusia (CSIC), Campus Río S. Pedro, 11510 Puerto Real, Cádiz, Spain
| | - J M Gatica
- Department of Material Science, Metallurgical Engineering and Inorganic Chemistry, Faculty of Sciences, University of Cadiz, E-11510 Puerto Real, Cádiz, Spain
| | - J Blasco
- Department of Ecology and Coastal Management, Institute of Marine Sciences of Andalusia (CSIC), Campus Río S. Pedro, 11510 Puerto Real, Cádiz, Spain
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Callaghan NI, MacCormack TJ. Ecophysiological perspectives on engineered nanomaterial toxicity in fish and crustaceans. Comp Biochem Physiol C Toxicol Pharmacol 2017; 193:30-41. [PMID: 28017784 DOI: 10.1016/j.cbpc.2016.12.007] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/31/2016] [Revised: 12/01/2016] [Accepted: 12/20/2016] [Indexed: 12/25/2022]
Abstract
Engineered nanomaterials (ENMs) are incorporated into numerous industrial, clinical, food, and consumer products and a significant body of evidence is now available on their toxicity to aquatic organisms. Environmental ENM concentrations are difficult to quantify, but production and release estimates suggest wastewater treatment plant effluent levels ranging from 10-4 to >101μgL-1 for the most common formulations by production volume. Bioavailability and ENM toxicity are heavily influenced by water quality parameters and the physicochemical properties and resulting colloidal behaviour of the particular ENM formulation. ENMs generally induce only mild acute toxicity to most adult fish and crustaceans under environmentally relevant exposure scenarios; however, sensitivity may be considerably higher for certain species and life stages. In adult animals, aquatic ENM exposure often irritates respiratory and digestive epithelia and causes oxidative stress, which can be associated with cardiovascular dysfunction and the activation of immune responses. Direct interactions between ENMs (or their dissolution products) and proteins can also lead to ionoregulatory stress and/or developmental toxicity. Chronic and developmental toxicity have been noted for several common ENMs (e.g. TiO2, Ag), however more data is necessary to accurately characterize long term ecological risks. The bioavailability of ENMs should be limited in saline waters but toxicity has been observed in marine animals, highlighting a need for more study on possible impacts in estuarine and coastal systems. Nano-enabled advancements in industrial processes like water treatment and remediation could provide significant net benefits to the environment and will likely temper the relatively modest impacts of incidental ENM release and exposure.
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Affiliation(s)
- Neal Ingraham Callaghan
- Institute of Biomaterials and Biomedical Engineering, University of Toronto, Toronto, ON, Canada
| | - Tyson James MacCormack
- Department of Chemistry and Biochemistry, Mount Allison University, Sackville, NB, Canada.
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Transport of cerium oxide nanoparticles in saturated silica media: influences of operational parameters and aqueous chemical conditions. Sci Rep 2016; 6:34135. [PMID: 27694968 PMCID: PMC5046158 DOI: 10.1038/srep34135] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2016] [Accepted: 09/07/2016] [Indexed: 11/08/2022] Open
Abstract
This paper aimed to investigate the influences of operational parameters and aqueous chemical conditions on transport behaviors of cerium oxides nanoparticles (CeO2-NPs) in saturated silica media. Results indicated that increasing rates of attachment efficiency (α) were related with cationic types, and critical deposition concentration (CDC) for divalent cation (Ca2+ and Mg2+) were more than 31-fold of that for monovalent cation (Na+ and K+). Increase or reduction of electrolyte pH could both promote the mobility of CeO2-NPs in glass beads, while influence was more evident at alkaline conditions. α increased linearly with NPs concentrations, while decreased linearly with flow velocity in the column, and effects were related with electrolyte contents. Presence of surfactants could sharply decreased α, and SDS was more effective to facilitate CeO2-NPs transport than Triton X–100. With DOMs concentrations increasing, α firstly kept constant, then sharply declined, and finally reduced very slowly. The influence of DOMs on NPs deposition was in order of SA > HA > TA > BSA. Overall, this study revealed that aqueous chemical conditions was crucial to NPs transport in porous media, and would provide significant information for our understanding on the fate and transport of nanoparticles in natural environment.
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Lu M, Zhang Y, Wang Y, Jiang M, Yao X. Insight into Several Factors that Affect the Conversion between Antioxidant and Oxidant Activities of Nanoceria. ACS APPLIED MATERIALS & INTERFACES 2016; 8:23580-23590. [PMID: 27548073 DOI: 10.1021/acsami.6b08219] [Citation(s) in RCA: 35] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
Many conflicting results have been reported related to the antioxidant and oxidant activities of nanoceria. On the basis of this research, many factors might affect the antioxidant activity of nanoceria. However, all of the factors reported only affect the antioxidant activity of nanoceria to a limited extent or cause the antioxidant activity to be lost. We found that several factors can induce conversion between the protective effect and toxicity of nanoceria. At low concentrations of hydroxyl radicals (•OH) and nanomaterials, nanoceria exhibited antioxidant activity but could produce greater amounts of •OH at higher •OH or nanomaterial concentrations and subsequently exhibit oxidant activity. Moreover, the morphology and size of nanoceria can also affect this conversion. We found that high concentrations of •OH and nanoceria could introduce a high amount of Ce(3+) in the system, which might be the reason that nanoceria converted from exhibiting antioxidant to oxidant activity. Under this condition, nanoceria act as a catalyst similar to Fe(2+) to promote •OH production in a Fenton system and also as a catalyst promoter to boost Fe(2+) production of additional •OH during the redox reaction. These conclusions support a better understanding of conflicting reports on medicinal applications for nanoceria and promote their practical application.
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Affiliation(s)
- Mei Lu
- School of Chemistry and Chemical Engineering, University of Chinese Academy of Sciences , Beijing 100049, P.R. China
| | - Yan Zhang
- School of Chemistry and Chemical Engineering, University of Chinese Academy of Sciences , Beijing 100049, P.R. China
| | - Yiwen Wang
- School of Chemistry and Chemical Engineering, University of Chinese Academy of Sciences , Beijing 100049, P.R. China
| | - Miao Jiang
- School of Chemistry and Chemical Engineering, University of Chinese Academy of Sciences , Beijing 100049, P.R. China
| | - Xin Yao
- School of Chemistry and Chemical Engineering, University of Chinese Academy of Sciences , Beijing 100049, P.R. China
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Nath B, Chaliha C, Kalita E, Kalita M. Synthesis and characterization of ZnO:CeO2:nanocellulose:PANI bionanocomposite. A bimodal agent for arsenic adsorption and antibacterial action. Carbohydr Polym 2016; 148:397-405. [DOI: 10.1016/j.carbpol.2016.03.091] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2015] [Revised: 03/28/2016] [Accepted: 03/29/2016] [Indexed: 10/22/2022]
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Fang J, Wang MH, Lin DH, Shen B. Enhanced transport of CeO2 nanoparticles in porous media by macropores. THE SCIENCE OF THE TOTAL ENVIRONMENT 2016; 543:223-229. [PMID: 26584072 DOI: 10.1016/j.scitotenv.2015.11.039] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/11/2015] [Revised: 10/09/2015] [Accepted: 11/07/2015] [Indexed: 06/05/2023]
Abstract
This is the first study to investigate the effect of macropores on the transport of CeO2 nanoparticles (nCeO2) in quartz sand and soil. The artificial macropore types are the vertical continuous macropore (O-O), and the vertical discontinuous macropore (O-C). The results indicated that the mobility of nCeO2 was significantly enhanced by the macropore in both quartz sand and soil, and the enhancement was greater in the continuous macropore than in the discontinuous macropore. Compared with the homogeneous column, both the O-O and O-C macropores in quartz sand favored an earlier breakthrough and a larger initial effluent recovery rate of nCeO2. However, there was little influence on the plateau concentration and the total effluent recovery rate. In soil, both types of macropores significantly shortened nCeO2 breakthrough time, and favored a higher plateau concentration, and a larger initial and total effluent recovery rate. The O-O macropore which accounted for only 1% of the total pore volume had doubly increased the total mobility of nCeO2 in soil; even the mobility was increased by 30% with the O-C macropore. It was found that the effect of preferential flow on nCeO2 transport was greater in soil than it was in quartz sand.
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Affiliation(s)
- Jing Fang
- School of Environmental Science and Engineering, Zhejiang Gongshang University, Hangzhou 310012, PR China.
| | - Min-Hao Wang
- School of Environmental Science and Engineering, Zhejiang Gongshang University, Hangzhou 310012, PR China
| | - Dao-Hui Lin
- Department of Environmental Science, Zhejiang University, Hangzhou 310058, PR China
| | - Bing Shen
- School of Environmental Science and Engineering, Zhejiang Gongshang University, Hangzhou 310012, PR China
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Ng AMC, Guo MY, Leung YH, Chan CM, Wong SW, Yung MM, Ma AP, Djurišić AB, Leung FC, Leung KM, Chan WK, Lee HK. Metal oxide nanoparticles with low toxicity. JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY B-BIOLOGY 2015; 151:17-24. [DOI: 10.1016/j.jphotobiol.2015.06.020] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/26/2015] [Revised: 06/26/2015] [Accepted: 06/29/2015] [Indexed: 10/23/2022]
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Wang Y, Yin C, Qin H, Wang Y, Li Y, Li X, Zuo Y, Kang S, Cui L. A urea-assisted template method to synthesize mesoporous N-doped CeO2 for CO2 capture. Dalton Trans 2015; 44:18718-22. [DOI: 10.1039/c5dt03562g] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Novel mesoporous nitrogen doped CeO2 has been prepared via a simple urea-assisted template method. The synthesized N-doped mesoporous CeO2 exhibits significantly enhanced CO2 adsorption capacity compared to undoped mesoporous CeO2.
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Affiliation(s)
- Yangang Wang
- Department of Environmental Science and Engineering
- University of Shanghai for Science and Technology
- Shanghai 200093
- China
| | - Chaochuang Yin
- Department of Environmental Science and Engineering
- University of Shanghai for Science and Technology
- Shanghai 200093
- China
| | - Hengfei Qin
- Department of Environmental Science and Engineering
- Fudan University
- Shanghai 200433
- China
| | - Yunzhu Wang
- Department of Environmental Science and Engineering
- University of Shanghai for Science and Technology
- Shanghai 200093
- China
| | - Yaguang Li
- Department of Environmental Science and Engineering
- University of Shanghai for Science and Technology
- Shanghai 200093
- China
| | - Xi Li
- Department of Environmental Science and Engineering
- Fudan University
- Shanghai 200433
- China
| | - Yuanhui Zuo
- Department of Environmental Science and Engineering
- University of Shanghai for Science and Technology
- Shanghai 200093
- China
| | - Shifei Kang
- Department of Environmental Science and Engineering
- University of Shanghai for Science and Technology
- Shanghai 200093
- China
| | - Lifeng Cui
- Department of Environmental Science and Engineering
- University of Shanghai for Science and Technology
- Shanghai 200093
- China
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