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Ascoli-Morrete T, Bandeira NMG, Signor E, Gazola HA, Homrich IS, Biondo R, Rossato-Grando LG, Zanella N. Bioaccumulation of pesticides and genotoxicity in anurans from southern Brazil. Environ Sci Pollut Res Int 2022; 29:45549-45559. [PMID: 35147872 DOI: 10.1007/s11356-022-19042-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/21/2021] [Accepted: 01/27/2022] [Indexed: 06/14/2023]
Abstract
The expansion of agricultural activities causes habitat loss and fragmentation and the pollution of natural ecosystems through the intense use of pesticides, which may affect the populations of amphibian anurans that inhabit agricultural areas. The present study evaluated the in situ bioaccumulation of pesticides in a population of Leptodactylus luctator that occupies farmland in southern Brazil. We also compared the genotoxicity of L. luctator populations from farmland and forested areas in the same region. We analyzed the micronuclei and nuclear abnormalities of 34 adult anurans, 19 from farmland, and 15 from the forested area. We also assessed the presence of 32 pesticides in liver samples obtained from 18 farmland-dwelling anurans, using chromatographic analysis. We recorded significantly higher rates of nuclear abnormalities in the individuals from the farmland, in comparison with the forest. We detected nine pesticides in the liver samples, of which, deltamethrin was the most common and carbosulfan was recorded at the highest concentrations. The bioaccumulation of pesticides and the higher levels of genotoxic damage found in the anurans from agricultural areas, as observed in the present study, represent a major potential problem for the conservation of these vertebrates, including the decline of their populations and the extinction of species.
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Affiliation(s)
- Thaís Ascoli-Morrete
- Programa de Pós-Graduação em Ciências Ambientais, Universidade de Passo Fundo (UPF), Passo Fundo, RS, Brazil.
- Instituto de Ciências Biológicas (ICB), Universidade de Passo Fundo (UPF), Passo Fundo, RS, Brazil.
| | - Nelson M G Bandeira
- Centro de Pesquisa em Alimentação (CEPA), Universidade de Passo Fundo (UPF), Passo Fundo, RS, Brazil
| | - Elias Signor
- Centro de Pesquisa em Alimentação (CEPA), Universidade de Passo Fundo (UPF), Passo Fundo, RS, Brazil
| | - Humberto A Gazola
- Instituto de Ciências Biológicas (ICB), Universidade de Passo Fundo (UPF), Passo Fundo, RS, Brazil
| | - Isis S Homrich
- Programa de Pós-Graduação em Biologia Animal, Universidade Federal Do Rio Grande Do Sul (UFRGS), Porto Alegre, RS, Brazil
| | - Rhaíssa Biondo
- Instituto de Ciências Biológicas (ICB), Universidade de Passo Fundo (UPF), Passo Fundo, RS, Brazil
| | - Luciana G Rossato-Grando
- Instituto de Ciências Biológicas (ICB), Universidade de Passo Fundo (UPF), Passo Fundo, RS, Brazil
- Programa de Pós-Graduação em Bioexperimentação, Universidade de Passo Fundo (UPF), Passo Fundo, RS, Brazil
| | - Noeli Zanella
- Programa de Pós-Graduação em Ciências Ambientais, Universidade de Passo Fundo (UPF), Passo Fundo, RS, Brazil
- Instituto de Ciências Biológicas (ICB), Universidade de Passo Fundo (UPF), Passo Fundo, RS, Brazil
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Paixão MCS, Nardi J, Bertol CD, Freddo N, Vieira BF, Rosano VA, Friedrich MT, Rossato-Grando LG. Development and validation of a LC-PDA method for methylphenidate analysis in sewage. J Environ Sci Health A Tox Hazard Subst Environ Eng 2021; 57:28-32. [PMID: 34951564 DOI: 10.1080/10934529.2021.2020513] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/23/2021] [Revised: 11/10/2021] [Accepted: 12/12/2021] [Indexed: 06/14/2023]
Abstract
Methylphenidate (MPH) is an important emerging pollutant found in effluents and wastewater. Thus, we aimed to develop and validate a method for detection and quantitation of MPH residues in sewage through high performance liquid chromatography coupled with photodiode array detector (LC-PDA). Here we describe a selective, accurate, precise, and valid method for determination of MPH in sewage with a total running time of 10 min, with limits of detection and quantification of 0.27 and 0.92 µg/mL, respectively. MPH retention peak was observed at 5 min. The method was applied to MPH analysis in a sewage sample pretreated with solid phase extraction, obtaining a result of 2.8 µg/L of MPH. Thus, the developed method can be considered feasible to be applied to MPH residual contamination analysis in sewage using a widely available apparatus.
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Affiliation(s)
- Maiara C S Paixão
- Instituto de Ciências Biológicas, Universidade de Passo Fundo, Passo Fundo, Rio Grande do Sul, Brazil
| | - Jessica Nardi
- Instituto de Ciências Biológicas, Universidade de Passo Fundo, Passo Fundo, Rio Grande do Sul, Brazil
- Programa de Pós-Graduação em Bioexperimentação, Universidade de Passo Fundo, Passo Fundo, Rio Grande do Sul, Brazil
| | - Charise D Bertol
- Instituto de Ciências Biológicas, Universidade de Passo Fundo, Passo Fundo, Rio Grande do Sul, Brazil
- Programa de Pós-Graduação em Envelhecimento Humano, Universidade de Passo Fundo, Passo Fundo, Rio Grande do Sul, Brazil
| | - Natália Freddo
- Instituto de Ciências Biológicas, Universidade de Passo Fundo, Passo Fundo, Rio Grande do Sul, Brazil
- Programa de Pós-Graduação em Bioexperimentação, Universidade de Passo Fundo, Passo Fundo, Rio Grande do Sul, Brazil
| | - Bruna F Vieira
- Instituto de Ciências Biológicas, Universidade de Passo Fundo, Passo Fundo, Rio Grande do Sul, Brazil
| | - Vitoria A Rosano
- Instituto de Ciências Biológicas, Universidade de Passo Fundo, Passo Fundo, Rio Grande do Sul, Brazil
| | - Maria T Friedrich
- Programa de Pós-Graduação em Ciências de Alimentos, Universidade de Passo Fundo, Passo Fundo, Rio Grande do Sul, Brazil
| | - Luciana G Rossato-Grando
- Instituto de Ciências Biológicas, Universidade de Passo Fundo, Passo Fundo, Rio Grande do Sul, Brazil
- Programa de Pós-Graduação em Bioexperimentação, Universidade de Passo Fundo, Passo Fundo, Rio Grande do Sul, Brazil
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Souza MA, Bischoff KF, Rigo BDC, Piuco L, Didoné AVL, Bertol CD, Rossato-Grando LG, Bervian J, Cecchin D. Cytotoxicity of different concentrations of glycolic acid and its effects on root dentin microhardness - An in vitro study. AUST ENDOD J 2021; 47:423-428. [PMID: 33682987 DOI: 10.1111/aej.12494] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2020] [Revised: 08/06/2020] [Accepted: 02/12/2021] [Indexed: 11/29/2022]
Abstract
The aim of the study was to evaluate the cytotoxicity of different glycolic acid concentrations (GA) and its effects on dentinal microhardness. Cytotoxicity was evaluated after inoculation of test irrigants in the lymphocyte primary culture for 3 min. The tested substances were distilled water(DW); 17% EDTA; QMix; 10% GA; 17% GA; and 25% GA. Counting of total, live and dead cells was performed, obtaining the average percentage of dead cells of each group. For microhardness evaluation, 60 root dentin samples were divided into the same tested groups (n = 10) and immersed in test irrigants for 3 min. Dentin microhardness was evaluated by Vicker test. Specific statistical analysis was made in both tests. Results showed significant lower cytotoxicity for QMix and 10% GA (P < 0.05). Moreover, all test irrigants presented similar values of microhardness than the control group (P > 0.05). In conclusion, lower GA concentration can be an alternative for final irrigation on endodontics.
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Affiliation(s)
- Matheus A Souza
- School of Dentistry, University of Passo Fundo, Passo Fundo, Brazil
| | | | - Bárbara D C Rigo
- School of Dentistry, University of Passo Fundo, Passo Fundo, Brazil
| | - Larissa Piuco
- School of Dentistry, University of Passo Fundo, Passo Fundo, Brazil
| | - Ana V L Didoné
- Institute of Biological Sciences, University of Passo Fundo, Passo Fundo, Brazil
| | - Charise D Bertol
- School of Pharmacy, University of Passo Fundo, Passo Fundo, Brazil
| | | | - Juliane Bervian
- School of Dentistry, University of Passo Fundo, Passo Fundo, Brazil
| | - Doglas Cecchin
- School of Dentistry, University of Passo Fundo, Passo Fundo, Brazil
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