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Ferreira Dantas GDP, Nascimento Martins EMD, Gomides LS, Chequer FMD, Burbano RR, Furtado CA, Santos AP, Tagliati CA. Pyrene-polyethylene glycol-modified multi-walled carbon nanotubes: Genotoxicity in V79-4 fibroblast cells. MUTATION RESEARCH. GENETIC TOXICOLOGY AND ENVIRONMENTAL MUTAGENESIS 2022; 876-877:503463. [PMID: 35483786 DOI: 10.1016/j.mrgentox.2022.503463] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/01/2021] [Revised: 02/04/2022] [Accepted: 02/05/2022] [Indexed: 06/14/2023]
Abstract
The genotoxicity of pyrene-polyethylene glycol-modified multi-walled carbon nanotubes (MWCNT-PyPEG), engineered as a nanoplatform for bioapplication, was evaluated. Toxicity was assessed in hamster lung fibroblast cells (V79-4). MTT and Cell Titer Blue methods were used to evaluate cell viability. Genotoxicity was measured by the comet assay and the cytokinesis-block micronucleus cytome (CBMN-Cyt) assay, and fluorescence in situ hybridization (FISH) was used to test induction of structural chromosome aberrations (clastogenic activity) and/or numerical chromosome changes (aneuploidogenic activity). Exogenous metabolic activation enzymes were used in the CBMN-Cyt and FISH tests. Only with metabolic activation, the hybrids caused chromosomal damage, by both clastogenic and aneugenic processes.
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Affiliation(s)
- Graziela de Paula Ferreira Dantas
- ToxLab, Departamento de Análises Clínicas e Toxicológicas, Faculdade de Farmácia - Universidade Federal de Minas Gerais (UFMG), Belo Horizonte, MG, Brazil.
| | | | - Lívia Santos Gomides
- Laboratório de Química de Nanoestruturas de Carbono, Centro de Desenvolvimento da Tecnologia Nuclear (CDTN), Belo Horizonte, MG, Brazil
| | - Farah Maria Drumond Chequer
- Laboratório de Análises Toxicológicas, Universidade Federal de São João del-Rei, Campus Centro-Oeste Dona Lindu (UFSJ-CCO), Divinópolis, MG, Brazil
| | - Rommel Rodríguez Burbano
- Laboratório de Citogenética Humana, Instituto de Ciências Biológicas, Universidade Federal do Pará (UFPA), Belém, PA, Brazil
| | - Clascídia Aparecida Furtado
- Laboratório de Química de Nanoestruturas de Carbono, Centro de Desenvolvimento da Tecnologia Nuclear (CDTN), Belo Horizonte, MG, Brazil
| | - Adelina Pinheiro Santos
- Laboratório de Química de Nanoestruturas de Carbono, Centro de Desenvolvimento da Tecnologia Nuclear (CDTN), Belo Horizonte, MG, Brazil
| | - Carlos Alberto Tagliati
- ToxLab, Departamento de Análises Clínicas e Toxicológicas, Faculdade de Farmácia - Universidade Federal de Minas Gerais (UFMG), Belo Horizonte, MG, Brazil
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2
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Engineering the doping amount of rare earth element erbium in CdWO4: Influence on the electrochemical performance and the application to the electrochemical detection of bisphenol A. J Electroanal Chem (Lausanne) 2022. [DOI: 10.1016/j.jelechem.2021.115867] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register]
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3
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Synthesis, Characterization and Toxicity Assessment of the Novel Non covalent Functionalized Multi-walled Carbon Nanotubes with Glycyrrhizin, Curcumin and Rutin. J CLUST SCI 2021. [DOI: 10.1007/s10876-021-02026-3] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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4
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Al-Hashimi NN, Awwad AI, Al-Hashimi AN, Mansi IA, Shahin RO, Hamed SH. Functionalized Multi Walled Carbon Nanotubes-Reinforced Hollow Fiber Solid/Liquid Phase Microextraction and HPLC-DAD for Determination of Phenazopyridine in Urine. CURR PHARM ANAL 2019. [DOI: 10.2174/1573412914666180329153443] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Introduction:
A sensitive analytical method based on functionalized multi walled carbon
nanotubes reinforced hollow fiber solid/liquid phase microextraction (F-MWCNTs-HF-SLPME) forwarded
with HPLC-DAD for analyzing phenazopyridine from urine is presented.
Materials and Methods:
The extraction of phenazopyridine is performed using specially designed FMWCNTs-
HF-SLPME device constructed as follows: the functionalized multi walled carbon nanotubes
(F-MWCNTs) were immobilized into the pores of 2.5 cm hollow fiber micro-tube using capillary forces
and ultrasonication, then, the lumen of the micro-tube was filled with 1-octanol with two ends sealed.
Subsequently, the device was placed into 10-mL of urine sample containing the analyte with agitation.
After ending extraction, the device was removed, rinsed, sonicated in 250 µL of organic solvent and
analyzed directly by the separation system.
Results and Conclusion:
Different parameters affecting the performance of the developed method were
optimized. The method showed good linearity with (R2) 0.999 and good repeatability with (RSDs) from
3.7 to 0.9% at analyte concentration ranged from 0.01 to 10 µg L-1 of spiked urine samples. The limit of
detection/ quantitation, LODs/LOQs was 0.02/0.09 µg L-1. In comparison with reference methods, the
developed method is considered as a promising microextraction technique for determination of trace
phenazopyridine in human urine using a common HPLC without further cleanup procedures.
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Affiliation(s)
- Nabil N. Al-Hashimi
- Department of Pharmaceutical Chemistry, Faculty of Pharmaceutical Sciences, The Hashemite University, P.O. Box 330127, Al-Zarqa 13133, Jordan
| | - Anas I. Awwad
- Department of Chemistry, Faculty of Science, The Hashemite University, P.O. Box 150459, Al-Zarqa 13115, Jordan
| | - Aqeel N. Al-Hashimi
- Department of Biochemistry, University College of Science, Osmania University, Hyderabad 500007, India
| | - Iman A. Mansi
- Department of Clinical Pharmacy and Pharmacy Practice, Faculty of Pharmaceutical Sciences, The Hashemite University, P.O. Box 330127, Al-Zarqa 13133, Jordan
| | - Rand O. Shahin
- Department of Pharmaceutical Chemistry, Faculty of Pharmaceutical Sciences, The Hashemite University, P.O. Box 330127, Al-Zarqa 13133, Jordan
| | - Saja H. Hamed
- Department of Pharmaceutics and Pharmaceutical Technology, Faculty of Pharmaceutical Sciences, The Hashemite University, P.O. Box 330127, Al-Zarqa 13133, Jordan
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Ranjan B, Pillai S, Permaul K, Singh S. Simultaneous removal of heavy metals and cyanate in a wastewater sample using immobilized cyanate hydratase on magnetic-multiwall carbon nanotubes. JOURNAL OF HAZARDOUS MATERIALS 2019; 363:73-80. [PMID: 30308367 DOI: 10.1016/j.jhazmat.2018.07.116] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/28/2018] [Revised: 06/27/2018] [Accepted: 07/25/2018] [Indexed: 05/05/2023]
Abstract
Global environmental problems allied with waste management require novel approaches for the simultaneous removal of heavy metals and other associated compounds including cyanate. In this study, iron-oxide filled multi-walled carbon nanotubes (m-MWCNTs) were successfully synthesized and characterized by field emission gun scanning electron microscopy (FEGSEM), high-resolution transmission electron microscopy (HRTEM) and X-ray diffraction (XRD). The m-MWCNTs were amino-functionalized for the covalent immobilization of a recombinant cyanate hydratase (rTl-Cyn), and were characterized by fourier transform infrared (FTIR) spectroscopy. The immobilized rTl-Cyn on the m-MWCNTs (m-MWCNT-rTl-Cyn) had long term storage stability and showed great potential towards cyanate biodegradability. We found that m-MWCNT-rTl-Cyn retained >94% of the initial activity even after 10 repeated cycles of bio-catalysis. Strikingly, the m-MWCNT-rTl-Cyn simultaneously reduced the concentration of chromium (Cr), iron (Fe), lead (Pb) and copper (Cu) by 39.31, 35.53, 34.48 and 29.63%, respectively as well as the concentration of cyanate by ≥84%, in a synthetic wastewater sample.
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Affiliation(s)
- Bibhuti Ranjan
- Department of Biotechnology and Food Technology, Faculty of Applied Sciences, Durban University of Technology, Durban, 4000, South Africa
| | - Santhosh Pillai
- Department of Biotechnology and Food Technology, Faculty of Applied Sciences, Durban University of Technology, Durban, 4000, South Africa
| | - Kugenthiren Permaul
- Department of Biotechnology and Food Technology, Faculty of Applied Sciences, Durban University of Technology, Durban, 4000, South Africa
| | - Suren Singh
- Department of Biotechnology and Food Technology, Faculty of Applied Sciences, Durban University of Technology, Durban, 4000, South Africa.
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Barbosa MB, Martins EMDN, Teixeira TF, Carvalho RDE, Coelho JP, Resende RR, Oliveira EF, Santos AP, Andrade ASRD, Furtado CA. A carefully designed nanoplatform based on multi walled carbon nanotube wrapped with aptamers. Colloids Surf B Biointerfaces 2018; 175:175-183. [PMID: 30530003 DOI: 10.1016/j.colsurfb.2018.11.064] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2018] [Revised: 11/21/2018] [Accepted: 11/26/2018] [Indexed: 02/01/2023]
Abstract
The interaction between carbon nanotubes (CNTs) and biological molecules of diagnostic and therapeutic interest, as well as the internalization of the CNTs-biomolecules complexes in different types of cell, has been extensively studied due to the potential use of these nanocomplexes as multifunctional nanoplatforms in a great variety of biomedical applications. The effective use of these nanobiotechnologies requires broad multidisciplinary studies of biocompatibility, regarding, for example, the in vitro and in vivo nanotoxicological assays, the capacity to target specific cells and the evaluation of their biomedical potential. However, the first step to be reached is the careful obtainment of the nanoplatform and the understanding of the actual surface composition and structural integrity of the complex system. In this work, we show the detailed construction of a nanoplatform created by the noncovalent interaction between oxidized multi walled carbon nanotubes (MWCNTs) and a DNA aptamer targeting tumor cells. The excess free aptamer was removed by successive washes, revealing the actual surface of the nanocomplex. The MWCNT-aptamer interaction by π-stacking was evidenced and shown to contribute in obtaining a stable nanocomplex compatible with aqueous media having good cell viability. The nucleotide sequence of the aptamer remained intact after the functionalization, allowing its use in further studies of specificity and binding affinity and for the construction of functional nanoplatforms.
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Affiliation(s)
| | | | | | | | - João Paulo Coelho
- Centro de Desenvolvimento da Tecnologia Nuclear, 31270-901 Belo Horizonte, MG, Brazil
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Morozesk M, Franqui LS, Mansano AS, Martinez DST, Fernandes MN. Interactions of oxidized multiwalled carbon nanotube with cadmium on zebrafish cell line: The influence of two co-exposure protocols on in vitro toxicity tests. AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2018; 200:136-147. [PMID: 29751160 DOI: 10.1016/j.aquatox.2018.05.002] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/30/2018] [Revised: 04/30/2018] [Accepted: 05/04/2018] [Indexed: 05/26/2023]
Abstract
The widespread production and application of carbon nanotubes (CNT) have raising concerns about their release into the environment and, the joint toxicity of CNT with pre-existing contaminants needs to be assessed. This is the first study that investigated the co-exposure of oxidized multiwalled carbon nanotubes (ox-MWCNT) and cadmium (Cd) using a zebrafish liver cell line (ZFL). Two in vitro co-exposure protocols differing by the order of ox-MWCNT interaction with Cd and fetal bovine serum (FBS) proteins were evaluated. Ox-MWCNT was physical and chemical characterized and its adsorption capacity and colloidal stability in cell culture medium was determined in both protocols. Cytotoxicity was investigated by MTT, neutral red, trypan blue, lactate dehydrogenase assays and the necrosis and apoptosis events were determined using flow cytometer. The Cd presence in medium did not interfere in the protein corona composition of MWCNT but the order of interaction of FBS and Cd interfered in its colloidal stability and metal adsorption rate. The ox-MWCNT increased Cd toxicity at low concentration probably by a "Trojan horse" and/or synergistic effect, and induced apoptosis and necrosis in ZFL cells. Although it was not observed differences of toxicity between protocols, the interaction of ox-MWCNT first with Cd led to its precipitation in cell culture medium and, as a consequence, to a possible false viability result by neutral red assay. Taken together, it was evident that the order of compounds interactions disturbs the colloidal stability and affects the in vitro toxicological assays. Considering that Protocol A showed more ox-MWCNT stability after interaction with Cd, this protocol is recommended to be adopted in future studies.
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Affiliation(s)
- Mariana Morozesk
- Physiological Science Department, Federal University of São Carlos (UFSCar), Washington Luiz Hwy, Km 235, 13565-905, São Carlos, São Paulo, Brazil
| | - Lidiane S Franqui
- Brazilian Nanotechnology National Laboratory (LNNano), Brazilian Center for Research in Energy and Materials (CNPEM), Giuseppe Maximo Scolfaro St., 10.000, Polo II de Alta Tecnologia de Campinas, 13083-970, Campinas, São Paulo, Brazil; School of Technology, University of Campinas (UNICAMP), Paschoal Marmo St., 1888, 13484-332, Limeira, São Paulo, Brazil
| | - Adrislaine S Mansano
- Department of Ecology and Evolutionary Biology, Federal University of Sao Carlos (UFSCar), Washington Luiz Hwy, Km 235, 13565-905, São Carlos, São Paulo, Brazil
| | - Diego Stéfani T Martinez
- Brazilian Nanotechnology National Laboratory (LNNano), Brazilian Center for Research in Energy and Materials (CNPEM), Giuseppe Maximo Scolfaro St., 10.000, Polo II de Alta Tecnologia de Campinas, 13083-970, Campinas, São Paulo, Brazil; School of Technology, University of Campinas (UNICAMP), Paschoal Marmo St., 1888, 13484-332, Limeira, São Paulo, Brazil.
| | - Marisa N Fernandes
- Physiological Science Department, Federal University of São Carlos (UFSCar), Washington Luiz Hwy, Km 235, 13565-905, São Carlos, São Paulo, Brazil.
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8
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Fukushima S, Kasai T, Umeda Y, Ohnishi M, Sasaki T, Matsumoto M. Carcinogenicity of multi-walled carbon nanotubes: challenging issue on hazard assessment. J Occup Health 2018; 60:10-30. [PMID: 29046510 PMCID: PMC5799097 DOI: 10.1539/joh.17-0102-ra] [Citation(s) in RCA: 41] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2017] [Accepted: 09/10/2017] [Indexed: 01/20/2023] Open
Abstract
OBJECTIVES This report reviews the carcinogenicity of multi-walled carbon nanotubes (MWCNTs) in experimental animals, concentrating on MWNT-7, a straight fibrous MWCNT. METHODS MWCNTs were administered to mice and rats by intraperitoneal injection, intrascrotal injection, subcutaneous injection, intratracheal instillation and inhalation. RESULTS Intraperitoneal injection of MWNT-7 induced peritoneal mesothelioma in mice and rats. Intrascrotal injection induced peritoneal mesothelioma in rats. Intratracheal instillation of MWCNT-N (another straight fibrous MWCNT) induced both lung carcinoma and pleural mesothelioma in rats. In the whole body inhalation studies, in mice MWNT-7 promoted methylcholanthrene-initiated lung carcinogenesis. In rats, inhalation of MWNT-7 induced lung carcinoma and lung burdens of MWNT-7 increased with increasing concentration of airborne MWNT-7 and increasing duration of exposure. CONCLUSIONS Straight, fibrous MWCNTs exerted carcinogenicity in experimental animals. Phagocytosis of MWCNT fibers by macrophages was very likely to be a principle factor in MWCNT lung carcinogenesis. Using no-observed-adverse-effect level-based approach, we calculated that the occupational exposure limit (OEL) of MWNT-7 for cancer protection is 0.15 μg/m3 for a human worker. Further studies on the effects of the shape and size of MWCNT fibers and mode of action on the carcinogenicity are required.
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Affiliation(s)
- Shoji Fukushima
- Japan Bioassay Research Center, Japan Organization of Occupational Health and Safety
- Association for Promotion of Research on Risk Assessment
| | - Tatsuya Kasai
- Japan Bioassay Research Center, Japan Organization of Occupational Health and Safety
| | - Yumi Umeda
- Japan Bioassay Research Center, Japan Organization of Occupational Health and Safety
| | - Makoto Ohnishi
- Japan Bioassay Research Center, Japan Organization of Occupational Health and Safety
| | - Toshiaki Sasaki
- Japan Bioassay Research Center, Japan Organization of Occupational Health and Safety
| | - Michiharu Matsumoto
- Japan Bioassay Research Center, Japan Organization of Occupational Health and Safety
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9
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Mortimer M, Petersen EJ, Buchholz BA, Orias E, Holden PA. Bioaccumulation of Multiwall Carbon Nanotubes in Tetrahymena thermophila by Direct Feeding or Trophic Transfer. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2016; 50:8876-85. [PMID: 27398725 PMCID: PMC4991038 DOI: 10.1021/acs.est.6b01916] [Citation(s) in RCA: 43] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/06/2023]
Abstract
Consumer goods contain multiwall carbon nanotubes (MWCNTs) that could be released during product life cycles into the environment, where their effects are uncertain. Here, we assessed MWCNT bioaccumulation in the protozoan Tetrahymena thermophila via trophic transfer from bacterial prey (Pseudomonas aeruginosa) versus direct uptake from growth media. The experiments were conducted using (14)C-labeled MWCNT ((14)C-MWCNT) doses at or below 1 mg/L, which proved subtoxic since there were no adverse effects on the growth of the test organisms. A novel contribution of this study was the demonstration of the ability to quantify MWCNT bioaccumulation at low (sub μg/kg) concentrations accomplished by employing accelerator mass spectrometry (AMS). After the treatments with MWCNTs at nominal concentrations of 0.01 mg/L and 1 mg/L, P. aeruginosa adsorbed considerable amounts of MWCNTs: (0.18 ± 0.04) μg/mg and (21.9 ± 4.2) μg/mg bacterial dry mass, respectively. At the administered MWCNT dose of 0.3 mg/L, T. thermophila accumulated up to (0.86 ± 0.3) μg/mg and (3.4 ± 1.1) μg/mg dry mass by trophic transfer and direct uptake, respectively. Although MWCNTs did not biomagnify in the microbial food chain, MWCNTs bioaccumulated in the protozoan populations regardless of the feeding regime, which could make MWCNTs bioavailable for organisms at higher trophic levels.
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Affiliation(s)
- Monika Mortimer
- Bren School of Environmental Science and Management, Earth Research Institute and University of California Center for the Environmental Implications of Nanotechnology (UC CEIN), University of California, Santa Barbara, California 93106, United States
- Laboratory of Environmental Toxicology, National Institute of Chemical Physics and Biophysics, Akadeemia tee 23, Tallinn 12618, Estonia
| | - Elijah J. Petersen
- Biosystems and Biomaterials Division, Material Measurement Laboratory, National Institute of Standards and Technology, Gaithersburg, Maryland 20899, United States
| | - Bruce A. Buchholz
- Center for Accelerator Mass Spectrometry, Lawrence Livermore National Laboratory, Livermore, California 94550, United States
| | - Eduardo Orias
- Department of Molecular, Cellular and Developmental Biology, University of California, Santa Barbara, California 93106, United States
| | - Patricia A. Holden
- Bren School of Environmental Science and Management, Earth Research Institute and University of California Center for the Environmental Implications of Nanotechnology (UC CEIN), University of California, Santa Barbara, California 93106, United States
- Corresponding Author. ; tel: 805-893-3195; fax: 805-893-7612
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10
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Sahle-Demessie E, Han C, Zhao A, Hahn B, Grecsek H. Interaction of engineered nanomaterials with hydrophobic organic pollutants. NANOTECHNOLOGY 2016; 27:284003. [PMID: 27265536 DOI: 10.1088/0957-4484/27/28/284003] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
As nanomaterials become an increasing part of everyday consumer products, it is imperative to monitor their potential release during production, use and disposal, and to assess their impact on the health of humans and the ecosystem. This necessitates research to better understand how the properties of engineered nanomaterials (ENMs) lead to their accumulation and redistribution in the environment, and to assess whether they could become novel pollutants or if they can affect the mobility and bioavailability of other toxins. This study focuses on understanding the influence of nanostructured-TiO2 and the interaction of multi-walled carbon nanotubes with organic pollutants in water. We studied the adsorption and water phase dispersion of model pollutants with relatively small water solubility (i.e., two- and three-ring polyaromatic hydrocarbons and insecticides) with respect to ENMs. The sorption of pollutants was measured based on water phase analysis, and by separating suspended particles from the water phase and analyzing dried samples using integrated thermal-chromatographic-mass spectroscopic (TGA/GC/MS) techniques. Solid phase analysis using a combination of TGA/GC/MS is a novel technique that can provide real-time quantitative analysis and which helps to understand the interaction of hydrophobic organic pollutants and ENMs. The adsorption of these contaminants to nanomaterials increased the concentration of the contaminants in the aqueous phase as compared to the 'real' partitioning due to the octanol-water partitioning. The study showed that ENMs can significantly influence the adsorption and dispersion of hydrophobic/low water soluble contaminants. The type of ENM, the exposure to light, and the water pH have a significant influence on the partitioning of pollutants.
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Affiliation(s)
- E Sahle-Demessie
- US Environmental Protection Agency, Office of Research and Development, National Risk Management Laboratory, Cincinnati, OH 45268, USA
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Exploring the use of biosurfactants from Bacillus subtilis in bionanotechnology: A potential dispersing agent for carbon nanotube ecotoxicological studies. Process Biochem 2014. [DOI: 10.1016/j.procbio.2014.04.006] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
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Seabra AB, Paula AJ, de Lima R, Alves OL, Durán N. Nanotoxicity of Graphene and Graphene Oxide. Chem Res Toxicol 2014; 27:159-68. [DOI: 10.1021/tx400385x] [Citation(s) in RCA: 592] [Impact Index Per Article: 59.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Affiliation(s)
- Amedea B. Seabra
- Exact and Earth Sciences Department, Universidade Federal de São Paulo, Diadema, São Paulo, Brazil
| | - Amauri J. Paula
- Biological Chemistry Laboratory, Institute of Chemistry, Universidade Estadual de Campinas, 13083-970 Campinas, São Paulo, Brazil
- Department of Physics, Universidade Federal do Ceará, 60455-900 Fortaleza, Ceará, Brazil
| | - Renata de Lima
- Department
of Biotechnology, Universidade de Sorocaba, Sorocaba, São Paulo, Brazil
- Universidade Federal de São Carlos, UFSCar, Sorocaba, São Paulo, Brazil
| | - Oswaldo L. Alves
- Laboratory of
Solid State Chemistry, Institute of Chemistry, Universidade Estadual de Campinas, 13083-970 Campinas, São
Paulo, Brazil
| | - Nelson Durán
- Biological Chemistry Laboratory, Institute of Chemistry, Universidade Estadual de Campinas, 13083-970 Campinas, São Paulo, Brazil
- Center of Natural and Human
Sciences, Universidade Federal do ABC, Santo André, São
Paulo, Brazil
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13
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Martinez DST, Franchi LP, Freria CM, Ferreira OP, Filho AGS, Alves OL, Takahashi CS. Carbon Nanotubes: From Synthesis to Genotoxicity. Nanotoxicology 2014. [DOI: 10.1007/978-1-4614-8993-1_6] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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14
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Martinez DST, Alves OL, Barbieri E. Carbon nanotubes enhanced the lead toxicity on the freshwater fish. ACTA ACUST UNITED AC 2013. [DOI: 10.1088/1742-6596/429/1/012043] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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Seabra AB, Paula AJ, Durán N. Redox-enzymes, cells and micro-organisms acting on carbon nanostructures transformation: A mini-review. Biotechnol Prog 2013; 29:1-10. [DOI: 10.1002/btpr.1673] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2012] [Revised: 11/09/2012] [Indexed: 12/25/2022]
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