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Registros recuperados : 220 | |
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Registro Completo
Biblioteca(s): |
Embrapa Meio Ambiente. |
Data corrente: |
20/12/2023 |
Data da última atualização: |
20/12/2023 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Circulação/Nível: |
C - 0 |
Autoria: |
DIONISIO, R. M. F.; CASTANHA, R. F.; VALLIM, J. H.; CASTRO, V. L. S. S. de; JONSSON, C. M. |
Afiliação: |
RAFAELA MONIQUE FERNANDES DIONISIO, UNIVERSIDADE PAULISTA; RODRIGO FERNANDES CASTANHA, CNPMA; JOSE HENRIQUE VALLIM, CNPMA; VERA LUCIA SCHERHOLZ S DE CASTRO, CNPMA; CLAUDIO MARTIN JONSSON, CNPMA. |
Título: |
Effect of nanoatrazine on the growth of aquatic bioindicators through trophic transfer. |
Ano de publicação: |
2023 |
Fonte/Imprenta: |
International Journal of Biological and Natural Sciences, v. 3, n. 4, p. 2-9, 2023. |
ISSN: |
2764-1813 |
DOI: |
https://dx.doi.org/10.22533/at.ed.813342328049 |
Idioma: |
Inglês |
Conteúdo: |
Abstract: Atrazine is a herbicide that has stood out in recent years for being one of the most commercialized pesticides in the country, being used to control weeds, mainly in corn, sugar cane and sorghum plantations. The nanoencapsulation of this compound has been a strategy to combat environmental impacts in agriculture. The objective of this work is to evaluate the effects of nanoatrazine on the growth of bioindicators through trophic transfer, focusing on harmful effects for species present in aquatic environments. The organisms were exposed to the compounds ATZ-NPZ (atrazine encapsulated in zein nanoparticles) and ATZ-PCL (atrazine encapsulated in poly-epsilon-caprolactone nanoparticles), in the presence and absence of organic matter. No significant difference (p>0.05) was observed between treatments and controls, with the exception of ATZ-PCL 0.002 mg/L in the absence of organic matter for Daphnia magna. This microcrustacean showed a significant increase of 31% in the growth rate compared to the control group. Our study shows that there are no adverse effects on the development of bioindicators, as the trophic transfer of these compounds would not pose risks to fish and microcrustaceans. The results indicate positive aspects in the use of nanoatrazine as a viable alternative for agriculture, aiming at a decrease in environmental impacts. |
Palavras-Chave: |
Bioindicators; Nanoatrazine; Trophic transfer. |
Thesagro: |
Animal Aquático; Herbicida; Impacto Ambiental. |
Thesaurus NAL: |
Atrazine; Environmental impact; Herbicides; Nanoparticles; toxicity. |
Categoria do assunto: |
P Recursos Naturais, Ciências Ambientais e da Terra |
URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/doc/1160083/1/Castanha-Effect-nanoatrazine-2023.pdf
|
Marc: |
LEADER 02344naa a2200325 a 4500 001 2160083 005 2023-12-20 008 2023 bl uuuu u00u1 u #d 022 $a2764-1813 024 7 $ahttps://dx.doi.org/10.22533/at.ed.813342328049$2DOI 100 1 $aDIONISIO, R. M. F. 245 $aEffect of nanoatrazine on the growth of aquatic bioindicators through trophic transfer.$h[electronic resource] 260 $c2023 520 $aAbstract: Atrazine is a herbicide that has stood out in recent years for being one of the most commercialized pesticides in the country, being used to control weeds, mainly in corn, sugar cane and sorghum plantations. The nanoencapsulation of this compound has been a strategy to combat environmental impacts in agriculture. The objective of this work is to evaluate the effects of nanoatrazine on the growth of bioindicators through trophic transfer, focusing on harmful effects for species present in aquatic environments. The organisms were exposed to the compounds ATZ-NPZ (atrazine encapsulated in zein nanoparticles) and ATZ-PCL (atrazine encapsulated in poly-epsilon-caprolactone nanoparticles), in the presence and absence of organic matter. No significant difference (p>0.05) was observed between treatments and controls, with the exception of ATZ-PCL 0.002 mg/L in the absence of organic matter for Daphnia magna. This microcrustacean showed a significant increase of 31% in the growth rate compared to the control group. Our study shows that there are no adverse effects on the development of bioindicators, as the trophic transfer of these compounds would not pose risks to fish and microcrustaceans. The results indicate positive aspects in the use of nanoatrazine as a viable alternative for agriculture, aiming at a decrease in environmental impacts. 650 $aAtrazine 650 $aEnvironmental impact 650 $aHerbicides 650 $aNanoparticles 650 $atoxicity 650 $aAnimal Aquático 650 $aHerbicida 650 $aImpacto Ambiental 653 $aBioindicators 653 $aNanoatrazine 653 $aTrophic transfer 700 1 $aCASTANHA, R. F. 700 1 $aVALLIM, J. H. 700 1 $aCASTRO, V. L. S. S. de 700 1 $aJONSSON, C. M. 773 $tInternational Journal of Biological and Natural Sciences$gv. 3, n. 4, p. 2-9, 2023.
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