Use este identificador para citar ou linkar para este item:
http://repositorio.ufla.br/jspui/handle/1/48987
Registro completo de metadados
Campo DC | Valor | Idioma |
---|---|---|
dc.creator | Castro, Bárbara M. M. | - |
dc.creator | Santos-Rasera, Joyce R. | - |
dc.creator | Alves, Dejane S. | - |
dc.creator | Marucci, Rosangela C. | - |
dc.creator | Carvalho, Geraldo A. | - |
dc.creator | Carvalho, Hudson W. P. | - |
dc.date.accessioned | 2022-01-24T19:00:26Z | - |
dc.date.available | 2022-01-24T19:00:26Z | - |
dc.date.issued | 2021-06 | - |
dc.identifier.citation | CASTRO, B. M. M. et al. Ingestion and effects of cerium oxide nanoparticles on Spodoptera frugiperda (Lepidoptera: Noctuidae). Environmental Pollution, Barking, v. 279, 116905, 15 jun. 2021. DOI: 10.1016/j.envpol.2021.116905. | pt_BR |
dc.identifier.uri | https://doi.org/10.1016/j.envpol.2021.116905 | pt_BR |
dc.identifier.uri | http://repositorio.ufla.br/jspui/handle/1/48987 | - |
dc.description.abstract | The objective of this study was to evaluate the biological and nutritional characteristics of Spodoptera frugiperda (Lepidoptera: Noctuidae), an arthropod pest widely distributed in agricultural regions, after exposure to nano-CeO2 via an artificial diet and to investigate the presence of cerium in the body of this insect through X-ray fluorescence mapping. Nano-CeO2, micro-CeO2, and Ce(NO3)3 were incorporated into the diet (0.1, 1, 10, and 100 mg of Ce L−1). Cerium was detected in caterpillars fed with diets containing nano-CeO2 (1, 10 and 100 mg of Ce L−1), micro-CeO2 and Ce(NO3)3, and in feces of caterpillars from the first generation fed diets with nano-CeO2 at 100 mg of Ce L−1 as well. The results indicate that nano-CeO2 caused negative effects on S. frugiperda. After it was consumed by the caterpillars, the nano-CeO2 reduced up to 4.8% of the pupal weight and 60% of egg viability. Unlike what occurred with micro-CeO2 and Ce(NO3)3, nano-CeO2 negatively affected nutritional parameters of this insect, as consumption rate two times higher, increase of up to 80.8% of relative metabolic rate, reduction of up to 42.3% efficiency of conversion of ingested and 47.2% of digested food, and increase of up to 1.7% of metabolic cost and 8.7% of apparent digestibility. Cerium caused 6.8–16.9% pupal weight reduction in second generation specimens, even without the caterpillars having contact with the cerium via artificial diet. The results show the importance of new ecotoxicological studies with nano-CeO2 for S. frugiperda in semi-field and field conditions to confirm the toxicity. | pt_BR |
dc.language | en_US | pt_BR |
dc.publisher | Elsevier | pt_BR |
dc.rights | restrictAccess | pt_BR |
dc.source | Environmental Pollution | pt_BR |
dc.subject | Nanomaterials | pt_BR |
dc.subject | Fall armyworm | pt_BR |
dc.subject | Biotransfer | pt_BR |
dc.subject | Biological and nutricional aspects | pt_BR |
dc.subject | Nanomateriais | pt_BR |
dc.subject | Lagarta-do-cartucho | pt_BR |
dc.subject | Biotransferência | pt_BR |
dc.subject | Aspectos biológicos e nutricionais | pt_BR |
dc.title | Ingestion and effects of cerium oxide nanoparticles on Spodoptera frugiperda (Lepidoptera: Noctuidae) | pt_BR |
dc.type | Artigo | pt_BR |
Aparece nas coleções: | DEN - Artigos publicados em periódicos |
Arquivos associados a este item:
Não existem arquivos associados a este item.
Os itens no repositório estão protegidos por copyright, com todos os direitos reservados, salvo quando é indicado o contrário.