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 | Acesso ao texto completo restrito à biblioteca da Embrapa Florestas. Para informações adicionais entre em contato com cnpf.biblioteca@embrapa.br. |
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Registro Completo |
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Biblioteca(s): |
Embrapa Florestas. |
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Data corrente: |
08/01/2021 |
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Data da última atualização: |
22/03/2021 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
PEREIRA, I. B.; CARVALHO, E. H. de S.; RODRIGUES, L. de B.; RODRIGUES, L. de B.; MAGALHAES, W. L. E.; LEME, D. M.; KRAWCZYK-SANTOS, A. P.; TAVEIRA, S. F.; OLIVEIRA, G. A. R. de. |
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Afiliação: |
Iúri Barbosa Pereira, UFG; Endrew Henrique de Sousa Carvalho, UFG; Laís de Brito Rodrigues, UFG; Laís de Brito Rodrigues, Aalto University; WASHINGTON LUIZ ESTEVES MAGALHAES, CNPF; Daniela Morais Leme, UFPR; Anna Paula Krawczyk-Santos, UFG; Stephânia Fleury Taveira, UFG; Gisele Augusto Rodrigues de Oliveira, UFG. |
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Título: |
Thymol-loaded biogenic silica nanoparticles on aquatic environment: the impact of particle aggregation on the ecotoxicity. |
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Ano de publicação: |
2021 |
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Fonte/Imprenta: |
Environmental Toxicology and Chemistry, v. 40, n. 2, p. 333-341, 2021. |
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DOI: |
https://doi.org/10.1002/etc.4938 |
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Idioma: |
Inglês |
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Conteúdo: |
Thymol (THY), a monoterpene phenol, is used as a natural biocide. To circumvent its chemical instability, we have proposed THY?loaded biogenic silica nanoparticle (BSiO2#THY); however, the toxicity of this system for aquatic organisms is unknown. Thus, this study aimed to evaluate the toxicogenetic effects induced by THY, BSiO2 nanoparticle (NP), and BSiO2#THY on Artemia salina and zebrafish (Danio rerio) early?life stages. We also investigated the impact of BSiO2 aggregation in the different exposure media (saline and freshwater). BSiO2#THY (LC50?48h = 1.06 mg/L) presented similar toxic potential as THY (LC50?48h = 1.03 mg/L) for A. salina, showing that BSiO2 had no influence on BSiO2#THY toxicity. As BSiO2 aggregated and sedimented faster in A. salina aqueous medium than in the other medium, this NP had lower interaction with this microcrustacean. Thus, BSiO2#THY toxicity for A. salina is probably due to the intrinsic toxicity of THY. For zebrafish early?life stages, BSiO2#THY (LC50?96h of 13.13 mg/L) was more toxic than free THY (LC50?96h of 25.60 mg/L); however, BSiO2 NP has no toxicity for zebrafish early?life stages. The lower aggregation of BSiO2 in the freshwater medium compared to the saline medium may have enhanced THY's availability for this aquatic organism. BSiO2#THY also significantly induced sublethal effects as THY, and both were genotoxic for zebrafish. In conclusion, although BSiO2#THY still needs improvements to ensure its safety for freshwater ecosystems, BSiO2 NP seems to be a safe nanocarrier for agriculture. MenosThymol (THY), a monoterpene phenol, is used as a natural biocide. To circumvent its chemical instability, we have proposed THY?loaded biogenic silica nanoparticle (BSiO2#THY); however, the toxicity of this system for aquatic organisms is unknown. Thus, this study aimed to evaluate the toxicogenetic effects induced by THY, BSiO2 nanoparticle (NP), and BSiO2#THY on Artemia salina and zebrafish (Danio rerio) early?life stages. We also investigated the impact of BSiO2 aggregation in the different exposure media (saline and freshwater). BSiO2#THY (LC50?48h = 1.06 mg/L) presented similar toxic potential as THY (LC50?48h = 1.03 mg/L) for A. salina, showing that BSiO2 had no influence on BSiO2#THY toxicity. As BSiO2 aggregated and sedimented faster in A. salina aqueous medium than in the other medium, this NP had lower interaction with this microcrustacean. Thus, BSiO2#THY toxicity for A. salina is probably due to the intrinsic toxicity of THY. For zebrafish early?life stages, BSiO2#THY (LC50?96h of 13.13 mg/L) was more toxic than free THY (LC50?96h of 25.60 mg/L); however, BSiO2 NP has no toxicity for zebrafish early?life stages. The lower aggregation of BSiO2 in the freshwater medium compared to the saline medium may have enhanced THY's availability for this aquatic organism. BSiO2#THY also significantly induced sublethal effects as THY, and both were genotoxic for zebrafish. In conclusion, although BSiO2#THY still needs improvements to ensure its safety for freshwater ecosystems,... Mostrar Tudo |
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Palavras-Chave: |
Aggregation; Biocida; Biocide delivery systems; Comet assay; Nanopartícula; Teste cometa; Zebrafish. |
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Thesagro: |
Artêmia Salina. |
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Thesaurus Nal: |
Nanoparticles. |
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Categoria do assunto: |
X Pesquisa, Tecnologia e Engenharia |
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Marc: |
LEADER 02601naa a2200337 a 4500
001 2129128
005 2021-03-22
008 2021 bl uuuu u00u1 u #d
024 7 $ahttps://doi.org/10.1002/etc.4938$2DOI
100 1 $aPEREIRA, I. B.
245 $aThymol-loaded biogenic silica nanoparticles on aquatic environment$bthe impact of particle aggregation on the ecotoxicity.$h[electronic resource]
260 $c2021
520 $aThymol (THY), a monoterpene phenol, is used as a natural biocide. To circumvent its chemical instability, we have proposed THY?loaded biogenic silica nanoparticle (BSiO2#THY); however, the toxicity of this system for aquatic organisms is unknown. Thus, this study aimed to evaluate the toxicogenetic effects induced by THY, BSiO2 nanoparticle (NP), and BSiO2#THY on Artemia salina and zebrafish (Danio rerio) early?life stages. We also investigated the impact of BSiO2 aggregation in the different exposure media (saline and freshwater). BSiO2#THY (LC50?48h = 1.06 mg/L) presented similar toxic potential as THY (LC50?48h = 1.03 mg/L) for A. salina, showing that BSiO2 had no influence on BSiO2#THY toxicity. As BSiO2 aggregated and sedimented faster in A. salina aqueous medium than in the other medium, this NP had lower interaction with this microcrustacean. Thus, BSiO2#THY toxicity for A. salina is probably due to the intrinsic toxicity of THY. For zebrafish early?life stages, BSiO2#THY (LC50?96h of 13.13 mg/L) was more toxic than free THY (LC50?96h of 25.60 mg/L); however, BSiO2 NP has no toxicity for zebrafish early?life stages. The lower aggregation of BSiO2 in the freshwater medium compared to the saline medium may have enhanced THY's availability for this aquatic organism. BSiO2#THY also significantly induced sublethal effects as THY, and both were genotoxic for zebrafish. In conclusion, although BSiO2#THY still needs improvements to ensure its safety for freshwater ecosystems, BSiO2 NP seems to be a safe nanocarrier for agriculture.
650 $aNanoparticles
650 $aArtêmia Salina
653 $aAggregation
653 $aBiocida
653 $aBiocide delivery systems
653 $aComet assay
653 $aNanopartícula
653 $aTeste cometa
653 $aZebrafish
700 1 $aCARVALHO, E. H. de S.
700 1 $aRODRIGUES, L. de B.
700 1 $aRODRIGUES, L. de B.
700 1 $aMAGALHAES, W. L. E.
700 1 $aLEME, D. M.
700 1 $aKRAWCZYK-SANTOS, A. P.
700 1 $aTAVEIRA, S. F.
700 1 $aOLIVEIRA, G. A. R. de
773 $tEnvironmental Toxicology and Chemistry$gv. 40, n. 2, p. 333-341, 2021.
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Registro original: |
Embrapa Florestas (CNPF) |
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| Registros recuperados : 9 | |
| 2. |  | CASTRO, C. M.; WAGNER, C. M.; VALLS, J. F.; KARIA, C. T. Comportamento de caracteres morfológicos com potencial de uso como descritores varietais em Arachis pintoi. In: ENCONTRO LATINO AMERICANO DE ESPECIALISTAS EM ARACHIS, 4., 2004, Brasília, DF. IV Encontro Latino-Americano de Especialistas em Arachis. Brasília, DF: Embrapa Recursos Genéticos e Biotecnologia, 2004. Não paginado. (Embrapa Recursos Genéticos e Biotecnologia. Documentos, 127).| Biblioteca(s): Embrapa Recursos Genéticos e Biotecnologia. |
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| 4. | | WAGNER, C.; LOPES, D.; RIBEIRO, C.; REIFSCHNEIDER, F. J. B.; VENCOVSKY, R. Influencia da posicao do fruto em plantas de pimenta no teor de capsaicinoides. Brasília, DF: Embrapa Hortaliças, 2000. 1 p. Trabalho apresentado no 1. Simposio Brasileiro de Especiarias, Ilheus, BA, 2000.| Biblioteca(s): Embrapa Hortaliças. |
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| 6. | | RIBEIRO, C. S. da C.; WAGNER, C.; SOUZA, O. B. de; LOPES, D.; REIFSCHNEIDER, F. J. B. Avaliação de híbridos simples de pimentão para páprica no Brasil Central. Horticultura Brasileira, Brasília, DF, v. 20, n. 2, jul. 2002. Suplemento 2. 1 CD-ROM. Trabalho apresentado no 42° Congresso Brasileiro de Olericultura, 2002. Publicado também como resumo em: Horticultura Brasileira, Brasília, DF, v. 20, n. 2, p. 345, jul. 2002. Suplemento 1.| Biblioteca(s): Embrapa Hortaliças. |
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| 7. | | RIBEIRO, C. S. da C.; WAGNER, C. M.; SOUZA, O. B. de; LOPES, D.; REIFSCHNEIDER, F. J. B. Linhagens de pimenta do tipo 'Jalapeño' desenvolvidas pela Embrapa Hortaliças para o Brasil Central. Horticultura Brasileira, Brasília, DF, v. 19, n. 2, jul. 2001. não paginado. 1 CD-ROM. Trabalho apresentado no 41° Congresso Brasileiro de Olericultura, 2001.| Biblioteca(s): Embrapa Hortaliças. |
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| 8. | | WAGNER, C. M.; LOPES, D.; SILVA, A. J. R.; RIBEIRO, C.; REIFSCHNEIDER, F. J. B.; VENCOVSKY, R. Influencia do estagio de maturacao e da posicao dos frutos no teor de capsaicinoides em plantas de pimenta. In: SIMPOSIO BRASILEIRO DE ESPECIARIAS, 1., 2000, Ilheus, Bahia. [Resumos...]. Ilheus: Universidade Estadual de Santa Cruz, 2000. Nao paginado.| Biblioteca(s): Embrapa Agroindústria de Alimentos. |
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| 9. | | SERAFIM, D. C. S.; IRALA, P. B.; LAMPE, V. S.; WAGNER, C. M.; REVERS, L. F.; CAMARGO, U. A.; OLIVEIRA, P. R. D. de; GARRIDO, L. da R.; MACHADO, C. A. E. Melhoramento genético da videira na Embrapa uva e vinho: utilização de marcadores microssatélites para proteção intelectual e aferição da identidade genotípica. CONGRESSO BRASILEIRO DE FRUTICULTURA, 18., 2004, Florianópolis. Tecnologia, competitividade, sustentabilidade: anais. Florianópolis: SBF, 2004. T0668.| Tipo: Resumo em Anais de Congresso |
| Biblioteca(s): Embrapa Uva e Vinho. |
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| Registros recuperados : 9 | |
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