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Boaretto FBM, da Silva J, Scotti A, Torres JS, Garcia ALH, Rodrigues GZP, Gehlen G, Rodrigues VB, Charão MF, Soares GM, Dias JF, Picada JN. Comparative toxicity of coal and coal ash: Assessing biological impacts and potential mechanisms through in vitro and in vivo testing. J Trace Elem Med Biol 2024; 81:127343. [PMID: 38035449 DOI: 10.1016/j.jtemb.2023.127343] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/28/2022] [Revised: 11/13/2023] [Accepted: 11/15/2023] [Indexed: 12/02/2023]
Abstract
BACKGROUND Coal and coal ash present inorganic elements associated with negative impacts on environment and human health. The objective of this study was to compare the toxicity of coal and coal ash from a power plant, assess their inorganic components, and investigate the biological impacts and potential mechanisms through in vitro and in vivo testing. METHODS Particle-Induced X-ray Emission method was used to quantify inorganic elements and the toxicity was evaluated in Caenorhabditis elegans and Daphnia magna in acute and chronic procedures. The genotoxic potential was assessed using alkaline and FPG-modified Comet assay in HepG2 cells and mutagenicity was evaluated using Salmonella/microsome assay in TA97a, TA100, and TA102 strains. RESULTS Inorganic elements such as aluminum (Al) and chromium (Cr) were detected at higher concentrations in coal ash compared to coal. These elements were found to be associated with increased toxicity of coal ash in both Caenorhabditis elegans and Daphnia magna. Coal and coal ash did not induce gene mutations, but showed genotoxic effects in HepG2 cells, which were increased using the FPG enzyme, indicating DNA oxidative damage. CONCLUSIONS The combined findings from bioassays using C. elegans and D. magna support the higher toxicity of coal ash, which can be attributed to its elevated levels of inorganic elements. The genotoxicity observed in HepG2 cells confirms these results. This study highlights the need for continuous monitoring in areas affected by environmental degradation caused by coal power plants. Additionally, the analysis reveals significantly higher concentrations of various inorganic elements in coal ash compared to coal, providing insight into the specific elemental composition contributing to its increased toxicity.
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Affiliation(s)
- Fernanda B M Boaretto
- Laboratory of Genetic Toxicology, PPGBioSaúde, Lutheran University of Brazil (ULBRA), Av. Farroupilha 8001, 92425-900 Canoas, RS, Brazil
| | - Juliana da Silva
- Laboratory of Genetic Toxicology, PPGBioSaúde, Lutheran University of Brazil (ULBRA), Av. Farroupilha 8001, 92425-900 Canoas, RS, Brazil.
| | - Amanda Scotti
- Laboratory of Genetic Toxicology, PPGBioSaúde, Lutheran University of Brazil (ULBRA), Av. Farroupilha 8001, 92425-900 Canoas, RS, Brazil
| | - Jayne S Torres
- Laboratory of Genetic Toxicology, PPGBioSaúde, Lutheran University of Brazil (ULBRA), Av. Farroupilha 8001, 92425-900 Canoas, RS, Brazil
| | - Ana L H Garcia
- Laboratory of Genetic Toxicology, PPGBioSaúde, Lutheran University of Brazil (ULBRA), Av. Farroupilha 8001, 92425-900 Canoas, RS, Brazil
| | - Gabriela Z P Rodrigues
- Laboratory of Ecotoxicology, Posgraduate Program in Environmental Quality, University Feevale, ERS-239, 2755, 93525-075 Novo Hamburgo, RS, Brazil
| | - Günther Gehlen
- Laboratory of Ecotoxicology, Posgraduate Program in Environmental Quality, University Feevale, ERS-239, 2755, 93525-075 Novo Hamburgo, RS, Brazil
| | - Vinícios B Rodrigues
- Laboratory of Bioanalyses, Posgraduate Program in Toxicology and Toxicological Analysis, University Feevale, ERS-239, 2755, 93525-075 Novo Hamburgo, RS, Brazil
| | - Mariele F Charão
- Laboratory of Bioanalyses, Posgraduate Program in Toxicology and Toxicological Analysis, University Feevale, ERS-239, 2755, 93525-075 Novo Hamburgo, RS, Brazil
| | - Guilherme M Soares
- Ion Implantation Laboratory, Institute of Physics, Federal University of Rio Grande do Sul (UFRGS), Av. Bento Gonçalves, 9500, Agronomia, Porto Alegre, RS, Brazil
| | - Johnny F Dias
- Ion Implantation Laboratory, Institute of Physics, Federal University of Rio Grande do Sul (UFRGS), Av. Bento Gonçalves, 9500, Agronomia, Porto Alegre, RS, Brazil
| | - Jaqueline N Picada
- Laboratory of Genetic Toxicology, PPGBioSaúde, Lutheran University of Brazil (ULBRA), Av. Farroupilha 8001, 92425-900 Canoas, RS, Brazil.
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Soldi KC, Londero JEL, Schavinski CR, Schuch AP. Genotoxicity of surface waters in Brazil. MUTATION RESEARCH. GENETIC TOXICOLOGY AND ENVIRONMENTAL MUTAGENESIS 2023; 888:503638. [PMID: 37188436 DOI: 10.1016/j.mrgentox.2023.503638] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/25/2021] [Revised: 04/10/2023] [Accepted: 04/20/2023] [Indexed: 05/17/2023]
Abstract
Brazil has abundant surface water resources, huge aquatic biodiversity and is home to 213 million people. Genotoxicity assays are sensitive tools to detect the effects of contaminants in surface waters and wastewaters, as well as to determine potential risks of contaminated waters to aquatic organisms and human health. This work aimed to survey the articles published in 2000-2021 that evaluated the genotoxicity of surface waters within Brazilian territory to unveil the profile and trends of this topic over time. In our searches, we considered articles focused on assessing aquatic biota, articles that conducted experiments with caged organisms or standardized tests in the aquatic sites, as well as articles that transported water or sediment samples from aquatic sites to the laboratory, where exposures were performed with organisms or standardized tests. We retrieved geographical information on the aquatic sites evaluated, the genotoxicity assays used, the percentage of genotoxicity detected, and, when possible, the causative agent of aquatic pollution. A total of 248 articles were identified. There was a trend of increase in the number of publications and annual diversity of hydrographic regions evaluated over time. Most articles focused on rivers from large metropolises. A very low number of articles were conducted on coastal and marine ecosystems. Water genotoxicity was detected in most articles, regardless of methodological approach, even in little-studied hydrographic regions. The micronucleus test and the alkaline comet assay were widely applied with blood samples, mainly derived from fish. Allium and Salmonella tests were the most frequently used standard protocols. Despite most articles did not confirm polluting sources and genotoxic agents, the detection of genotoxicity provides useful information for the management of water pollution. We discuss key points to be assessed to reach a more complete picture of the genotoxicity of surface waters in Brazil.
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Affiliation(s)
- Karen Costa Soldi
- Post-Graduation Program in Animal Biodiversity, Department of Ecology and Evolution, Federal University of Santa Maria, Santa Maria, RS, Brazil
| | - James Eduardo Lago Londero
- Post-Graduation Program in Biological Sciences: Toxicological Biochemistry, Department of Biochemistry and Molecular Biology, Federal University of Santa Maria, Santa Maria, RS, Brazil
| | - Cassiano Ricardo Schavinski
- Post-Graduation Program in Biological Sciences: Toxicological Biochemistry, Department of Biochemistry and Molecular Biology, Federal University of Santa Maria, Santa Maria, RS, Brazil
| | - André Passaglia Schuch
- Post-Graduation Program in Animal Biodiversity, Department of Ecology and Evolution, Federal University of Santa Maria, Santa Maria, RS, Brazil; Post-Graduation Program in Biological Sciences: Toxicological Biochemistry, Department of Biochemistry and Molecular Biology, Federal University of Santa Maria, Santa Maria, RS, Brazil.
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Neto JLS, de Carli RF, Lehmann M, de Souza CT, Niekraszewicz LAB, Dias JF, da Silva FR, da Silva J, Dihl RR. In vivo and in silico approaches to assess surface water genotoxicity from Tocantins River, in the cities of Porto Nacional and Palmas, Brazil. JOURNAL OF ENVIRONMENTAL SCIENCE AND HEALTH. PART C, TOXICOLOGY AND CARCINOGENESIS 2022; 40:27-45. [PMID: 35895928 DOI: 10.1080/26896583.2021.2014278] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
The main environmental problem in urban areas, especially in Brazil, is the discharge of untreated sewage. The in vivo Drosophila melanogaster Somatic Mutation and Recombination Test (SMART) was used to assess the genotoxicity of surface waters from three different sites in the Tocantins River, Brazil. The in silico approach was used to search for known and predicted interactions between environmental chemicals found in our samples and Drosophila and human proteins. The genotoxicity tests were performed in standard (ST) and high bioactivation (HB) crosses with samples collected at two periods, the rainy and dry seasons. Mutant spot frequencies found in treatments with unprocessed water from the test sites were compared with the frequencies observed in negative controls. The collection points were represented as sites A, B and C along Tocantins River. Sites A and B are located in Porto Nacional City, whereas site C is located in Palmas City. Considering the rainy season collection, positive responses in the ST cross were observed for sites A and C (89.47% and 85% of recombination, respectively) and in the HB cross for sites A, B and C (88.24%, 84.21% and 82.35% of recombination, respectively). The positive results in the dry season were restricted to sites A and B (88.89% and 85.71% of recombination, respectively) in the HB cross. In accordance with in vivo and in silico results, we hypothesize that ribosomal proteins (RPs) in fruit fly and humans are depleted in cells exposed to heavy metal causing DNA damage and chromosome instability, increasing homologous recombination.
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Affiliation(s)
- José Lopes Soares Neto
- Laboratory of Genetic Toxicity (TOXIGEN), Graduate Program in Molecular and Cellular Biology Applied to Health, Lutheran University of Brazil (ULBRA), Canoas, Brazil
| | - Raíne Fogliati de Carli
- Laboratory of Genetic Toxicity (TOXIGEN), Graduate Program in Molecular and Cellular Biology Applied to Health, Lutheran University of Brazil (ULBRA), Canoas, Brazil
| | - Mauricio Lehmann
- Laboratory of Genetic Toxicity (TOXIGEN), Graduate Program in Molecular and Cellular Biology Applied to Health, Lutheran University of Brazil (ULBRA), Canoas, Brazil
| | - Cláudia Telles de Souza
- Ion Implantation Laboratory, Institute of Physics, Federal University of Rio Grande do Sul (UFRGS), Porto Alegre, Brazil
| | | | - Johnny Ferraz Dias
- Ion Implantation Laboratory, Institute of Physics, Federal University of Rio Grande do Sul (UFRGS), Porto Alegre, Brazil
| | - Fernanda Rabaioli da Silva
- Laboratory of Genetic Toxicity (TOXIGEN), Graduate Program in Molecular and Cellular Biology Applied to Health, Lutheran University of Brazil (ULBRA), Canoas, Brazil
- Ion Implantation Laboratory, Institute of Physics, Federal University of Rio Grande do Sul (UFRGS), Porto Alegre, Brazil
- UniLaSalle, Canoas, Brazil
| | - Juliana da Silva
- Laboratory of Genetic Toxicity (TOXIGEN), Graduate Program in Molecular and Cellular Biology Applied to Health, Lutheran University of Brazil (ULBRA), Canoas, Brazil
- UniLaSalle, Canoas, Brazil
| | - Rafael Rodrigues Dihl
- Laboratory of Genetic Toxicity (TOXIGEN), Graduate Program in Molecular and Cellular Biology Applied to Health, Lutheran University of Brazil (ULBRA), Canoas, Brazil
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Pitchakarn P, Inthachat W, Karinchai J, Temviriyanukul P. Human Hazard Assessment Using Drosophila Wing Spot Test as an Alternative In Vivo Model for Genotoxicity Testing-A Review. Int J Mol Sci 2021; 22:9932. [PMID: 34576092 PMCID: PMC8472225 DOI: 10.3390/ijms22189932] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2021] [Revised: 09/12/2021] [Accepted: 09/13/2021] [Indexed: 12/11/2022] Open
Abstract
Genomic instability, one of cancer's hallmarks, is induced by genotoxins from endogenous and exogenous sources, including reactive oxygen species (ROS), diet, and environmental pollutants. A sensitive in vivo genotoxicity test is required for the identification of human hazards to reduce the potential health risk. The somatic mutation and recombination test (SMART) or wing spot test is a genotoxicity assay involving Drosophila melanogaster (fruit fly) as a classical, alternative human model. This review describes the principle of the SMART assay in conjunction with its advantages and disadvantages and discusses applications of the assay covering all segments of health-related industries, including food, dietary supplements, drug industries, pesticides, and herbicides, as well as nanoparticles. Chemopreventive strategies are outlined as a global health trend for the anti-genotoxicity of interesting herbal extract compounds determined by SMART assay. The successful application of Drosophila for high-throughput screening of mutagens is also discussed as a future perspective.
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Affiliation(s)
- Pornsiri Pitchakarn
- Department of Biochemistry, Faculty of Medicine, Chiang Mai University, Chiang Mai 50200, Thailand; (P.P.); (J.K.)
| | - Woorawee Inthachat
- Food and Nutrition Academic and Research Cluster, Institute of Nutrition, Mahidol University, Salaya, Phuttamonthon, Nakhon Pathom 73170, Thailand;
| | - Jirarat Karinchai
- Department of Biochemistry, Faculty of Medicine, Chiang Mai University, Chiang Mai 50200, Thailand; (P.P.); (J.K.)
| | - Piya Temviriyanukul
- Food and Nutrition Academic and Research Cluster, Institute of Nutrition, Mahidol University, Salaya, Phuttamonthon, Nakhon Pathom 73170, Thailand;
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Zhou S, Xing Y, Yuan X, Wu G, Zhu X, Wu D. Cytotoxicity and action mechanisms of polycyclic aromatic hydrocarbons by a miniature electrochemical detection system. Biomed Microdevices 2021; 23:19. [PMID: 33770288 DOI: 10.1007/s10544-021-00560-5] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/18/2021] [Indexed: 11/28/2022]
Abstract
The effects of six polycyclic aromatic hydrocarbons (PAHs) on the activity of V79 cells were studied by using a miniature electrochemical system based on graphene oxide quantum dots and multiwall carbon nanotubes modified anodized screen printed carbon electrode. The cytotoxicity sequence of PAHs on V79 cells was different with guanine/xanthine (G/X), adenine (A), hypoxanthine (HX), and the end product of purine nucleotide catabolism, uric acid (UA), as biomarkers. The IC50 values measured with UA as the biomarker were the lowest, indicating that UA in cells was more sensitive to PAHs. The cytotoxicity sequence with G/X as the biomarker was the same as that of the MTT assay: pyrene > phenanthrene > benzo[a]pyrene > fluoranthene > fluorene > naphthalene. The cytotoxicity sequences measured by different biomarkers varied, which related to different structures that may influence the expression of the cellular aryl hydrocarbon receptor, gap junctional intercellular communication, and p53 protein. PAHs with different structures played varied roles in cell development and differentiation. Additionally, the electrochemical method was more sensitive than the MTT assay. The miniature electrochemical system enabled the simultaneous detection of four signals in cells, providing more information for multi-parameter evaluation and toxic mechanism study of PAHs and other pollutants.
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Affiliation(s)
- Shi Zhou
- School of Environment, Northeast Normal University, 130117, Changchun, Jilin, China.,College of Pharmacy, Jiamusi University, 154007, Jiamusi, Heilongjiang, China
| | - Yi Xing
- School of Environment, Northeast Normal University, 130117, Changchun, Jilin, China
| | - Xing Yuan
- School of Environment, Northeast Normal University, 130117, Changchun, Jilin, China
| | - Guanlan Wu
- School of Environment, Northeast Normal University, 130117, Changchun, Jilin, China
| | - Xiaolin Zhu
- School of Environment, Northeast Normal University, 130117, Changchun, Jilin, China.
| | - Dongmei Wu
- College of Pharmacy, Jiamusi University, 154007, Jiamusi, Heilongjiang, China.
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Lin WY, Ng WC, Wong BSE, Teo SLM, Sivananthan GD, Baeg GH, Ok YS, Wang CH. Evaluation of sewage sludge incineration ash as a potential land reclamation material. JOURNAL OF HAZARDOUS MATERIALS 2018; 357:63-72. [PMID: 29864689 DOI: 10.1016/j.jhazmat.2018.05.047] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/23/2017] [Revised: 05/17/2018] [Accepted: 05/23/2018] [Indexed: 06/08/2023]
Abstract
This study evaluated the potential of utilising sewage sludge incineration ash as a land reclamation material. Toxicity assessment of the leachate of the ash was carried out for both terrestrial and marine organisms. Both the fruit fly Drosophila melanogaster and barnacle Amphibalanus amphitrite showed that both bottom and fly ash leached at liquid-to-solid (L/S) ratio 5 did not substantially affect viabilities. The leachate carried out at L/S 10 was compared to the European Waste Acceptance Criteria and the sewage sludge ashes could be classified as non-hazardous waste. The geotechnical properties of the sewage sludge ash were studied and compared to sand, a conventional land reclamation material, for further evaluation of its potential as a land reclamation material. It was found from direct shear test that both bottom and fly ashes displayed similar and comparable shear strength to that of typical compacted sandy soil based on the range of internal friction angle obtained. However, the consolidation profile of bottom ash was significantly different from sand, while that of fly ash was more similar to sand. Our study showed that the sewage sludge ash has the potential to be used as a land reclamation material.
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Affiliation(s)
- Wenlin Yvonne Lin
- Department of Chemical and Biomolecular Engineering, National University of Singapore, 4 Engineering Drive 4, 117585, Singapore
| | - Wei Cheng Ng
- NUS Environmental Research Institute, National University of Singapore, 1 Create Way, Create Tower #15-02, 138602, Singapore
| | - Belinda Shu Ee Wong
- Department of Anatomy, Yong Loo Lin School of Medicine, National University of Singapore, 4 Medical Drive, 117594, Singapore
| | - Serena Lay-Ming Teo
- Tropical Marine Science Institute, National University of Singapore, 18 Kent Ridge Road, 119227, Singapore
| | - Gayathiri D/O Sivananthan
- Tropical Marine Science Institute, National University of Singapore, 18 Kent Ridge Road, 119227, Singapore
| | - Gyeong Hun Baeg
- Department of Anatomy, Yong Loo Lin School of Medicine, National University of Singapore, 4 Medical Drive, 117594, Singapore
| | - Yong Sik Ok
- Korea Biochar Research Center, O-Jeong Eco-Resilience Institute (OJERI) & Division of Environmental Science and Ecological Engineering, Korea University, Seoul, 02841, Republic of Korea
| | - Chi-Hwa Wang
- Department of Chemical and Biomolecular Engineering, National University of Singapore, 4 Engineering Drive 4, 117585, Singapore.
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Nordin AP, da Silva J, de Souza CT, Niekraszewicz LAB, Dias JF, da Boit K, Oliveira MLS, Grivicich I, Garcia ALH, Oliveira LFS, da Silva FR. In vitro genotoxic effect of secondary minerals crystallized in rocks from coal mine drainage. JOURNAL OF HAZARDOUS MATERIALS 2018; 346:263-272. [PMID: 29288979 DOI: 10.1016/j.jhazmat.2017.12.026] [Citation(s) in RCA: 39] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/22/2017] [Revised: 12/08/2017] [Accepted: 12/09/2017] [Indexed: 06/07/2023]
Abstract
Coal processing generates a large volume of waste that can damage human health and the environment. Often these wastes produce acid drainage in which several minerals are crystallized (evaporites). This study aimed to identify secondary minerals, as well as the genotoxic potential of these materials. The samples were collected at two sites along the Rocinha River in Santa Catarina state (Brazil): (1) directly from the source of the acid drainage (evaporite 1), and (2) on the river bank (evaporite 2). The samples were characterized by X-ray diffraction and by particle-induced X-ray emission techniques. In vitro genotoxicity testing using Comet assay and Micronucleus test in V79 cells was used to evaluate evaporite samples. Our study also used System Biology tools to provide insight regarding the influence of this exposure on DNA damage in cells. The results showed that the samples induced DNA damage for both evaporites that can be explained by high concentrations of chromium, iron, nickel, copper and zinc in these materials. Thus, this study is very important due to the dearth of knowledge regarding the toxicity of evaporites in the environment. The genetic toxicity of this material can be induced by increased oxidative stress and DNA repair inhibition.
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Affiliation(s)
- Adriane Perachi Nordin
- Mestrado em Avaliação de Impactos Ambientais, La Salle University (UNILASALLE), Canoas, RS, Brazil; Laboratory of Genetic Toxicology, Lutheran University of Brazil (ULBRA), Canoas, RS, Brazil
| | - Juliana da Silva
- Laboratory of Genetic Toxicology, Lutheran University of Brazil (ULBRA), Canoas, RS, Brazil.
| | - Claudia Telles de Souza
- Laboratory of Environmental Analytical Chemistry and Oleochemistry, Institute of Chemistry, Federal University of Rio Grande do Sul (UFRGS), Porto Alegre, RS, Brazil; Ion Implantation Laboratory, Institute of Physics, Federal University of Rio Grande do Sul (UFRGS), Porto Alegre, RS, Brazil
| | - Liana A B Niekraszewicz
- Ion Implantation Laboratory, Institute of Physics, Federal University of Rio Grande do Sul (UFRGS), Porto Alegre, RS, Brazil
| | - Johnny Ferraz Dias
- Ion Implantation Laboratory, Institute of Physics, Federal University of Rio Grande do Sul (UFRGS), Porto Alegre, RS, Brazil
| | - Kátia da Boit
- Universidad De La Costa, Calle #55-66, 080002 Barranquilla, Atlántico, Colombia
| | - Marcos L S Oliveira
- Universidad De La Costa, Calle #55-66, 080002 Barranquilla, Atlántico, Colombia
| | - Ivana Grivicich
- Laboratory of Cancer Biology, Lutheran University of Brazil (ULBRA), Canoas, RS, Brazil
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