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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. |  | BERTOLOTE, L. E.; CAMPANA, M.; OLIVEIRA, P. P. A.; MORAIS, J. P. G. de; GODOY, R. Produção de forragem e qualidade de genótipos de aveia sobressemeadas em capim-tanzânia In: REUNIÃO ANUAL DA SOCIEDADE BRASILEIRA DE ZOOTECNIA, 45., 2008, Lavras, MG. Anais... Lavras: SBZ: UFLA, 2008. 1 CD-ROM.| Tipo: Artigo em Anais de Congresso / Nota Técnica |
| Biblioteca(s): Embrapa Pecuária Sudeste. |
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| 4. | | RIBEIRO, F. A.; BERNARDI, A. C. de C.; ESTEVES, S. N.; MORAIS, J. P. G. de; CARDOSO, R. D. Desaparecimento do nitrogênio amoniacal em vacas holandesas fistuladas alimentadas com zeólita e uréia. In: JORNADA Científica - São Carlos, 2., 2010, São Carlos, SP. Anais ... São Carlos, SP: Embrapa Pecuária Sudeste: Embrapa Instrumentação Agropecuária, 2010.| Tipo: Resumo em Anais de Congresso |
| Biblioteca(s): Embrapa Pecuária Sudeste. |
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| 5. | | CAMPANA, M.; BERTOLOTE, L. E. M.; OLIVEIRA, P. P. A.; MORAIS, J. P. G. de; BERNARDI, A. C. de C. Efeito residual do nitrogênio no sistema solo-planta sobre a produtividade do capim-tanzânia submetido a formas de aplicação e a fontes de adubo nitrogenado. In: REUNIÃO ANUAL DA SOCIEDADE BRASILEIRA DE ZOOTECNIA, 45., 2008, Lavras, MG. Anais... Lavras: SBZ: UFLA, 2008. 1 CD-ROM.| Tipo: Artigo em Anais de Congresso / Nota Técnica |
| Biblioteca(s): Embrapa Pecuária Sudeste. |
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| 7. | | CAMPANA, M.; ALVES, A. C.; OLIVEIRA, P. P. A.; BERNARDI, A. C. de C.; SANTOS, E. A.; HERLING, V. R.; MORAIS, J. P. G. de; BARIONI JUNIOR, W. Ammonia volatilization from exposed soil and tanzania grass pasture fertilized with urea and zeolite mixture. Communications in Soil Science and Plant Analysis, v. 46, n. 8, 2015.| Tipo: Artigo em Periódico Indexado | Circulação/Nível: B - 1 |
| Biblioteca(s): Embrapa Pecuária Sudeste. |
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| 8. | | RIBEIRO, F. A.; MORAIS, J. P. G. de; CARDOSO, R. D.; SOUZA, G. B. de; ESTEVES, S. N.; BERNARDI, A. C. de C. Digestibilidade in situ do sorgo e desaparecimento do Nitrogênio amoniacal em vacas holandesas alimentadas com Zeólita e Uréia. Veterinária e Zootecnia, v. 21, n. 1, p. 102-107, 2014.| Tipo: Artigo em Periódico Indexado | Circulação/Nível: B - 3 |
| Biblioteca(s): Embrapa Pecuária Sudeste. |
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| 9. | | SILVA, S. C. da; BUENO, A. A. de O.; CARNEVALLI, R. A.; UEBELE, M. C.; BUENO, F. O.; HODGSON, J.; MATTHEW, C.; ARNOLD, G. C.; MORAIS, J. P. G. de. Sward structural characteristics and herbage accumulation of Panicum maximum cv. Mombaça subjected to rotational stocking managements. Scientia Agrícola, v. 66, n. 1, p. 8-19, 2009.| Tipo: Artigo em Periódico Indexado | Circulação/Nível: A - 2 |
| Biblioteca(s): Embrapa Gado de Leite. |
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| Registros recuperados : 9 | |
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| Nenhum registro encontrado para a expressão de busca informada. |
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