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Registro Completo |
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Biblioteca(s): |
Embrapa Agroindústria de Alimentos. |
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Data corrente: |
19/01/2011 |
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Data da última atualização: |
19/01/2011 |
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Tipo da produção científica: |
Artigo em Anais de Congresso |
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Autoria: |
AMARAL, D. P.; BARBOSA, F. S.; ORTIZ, J. A. R.; COSTA, C. V.; CARVALHO, C. W. P.; ASCHERI, D. P. R.; TAKEITI, C. Y.; ASCHERI, J. L. R. |
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Afiliação: |
DANIELE P. AMARAL, UFRRJ; FÁBIO DE SOUZA BARBOSA, UFRRJ; JUAN ANTONIO RUANO ORTIZ, UFRRJ; CAION VIEIRA COSTA, UFRRJ; CARLOS WANDERLEI PILER DE CARVALHO, CTAA; DIEGO PALMIRO RAMIREZ ASCHERI, UEG; CRISTINA YOSHIE TAKEITI, CTAA; JOSE LUIS RAMIREZ ASCHERI, CTAA. |
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Título: |
Efeito da adição de resíduo da indústria cervejeira na elaboração de filmes flexíveis de amido. |
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Ano de publicação: |
2010 |
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Fonte/Imprenta: |
In: INTERNATIONAL SYMPOSIUM ON FOOD EXTRUSION, 2., 2010, Rio de Janeiro. Resumos expandidos. Rio de Janeiro: Embrapa Agroindústria de Alimentos, 2010. 1 CD-ROM. |
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Idioma: |
Português |
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Palavras-Chave: |
Bagaço de cevada; Filmes flexíveis de amido. |
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Categoria do assunto: |
X Pesquisa, Tecnologia e Engenharia |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/25724/1/2010-059.pdf
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Marc: |
LEADER 00758nam a2200205 a 4500
001 1873544
005 2011-01-19
008 2010 bl uuuu u00u1 u #d
100 1 $aAMARAL, D. P.
245 $aEfeito da adição de resíduo da indústria cervejeira na elaboração de filmes flexíveis de amido.
260 $aIn: INTERNATIONAL SYMPOSIUM ON FOOD EXTRUSION, 2., 2010, Rio de Janeiro. Resumos expandidos. Rio de Janeiro: Embrapa Agroindústria de Alimentos, 2010. 1 CD-ROM.$c2010
653 $aBagaço de cevada
653 $aFilmes flexíveis de amido
700 1 $aBARBOSA, F. S.
700 1 $aORTIZ, J. A. R.
700 1 $aCOSTA, C. V.
700 1 $aCARVALHO, C. W. P.
700 1 $aASCHERI, D. P. R.
700 1 $aTAKEITI, C. Y.
700 1 $aASCHERI, J. L. R.
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Registro original: |
Embrapa Agroindústria de Alimentos (CTAA) |
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Origem |
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Classificação |
Cutter |
Registro |
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Voltar
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Registro Completo
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Biblioteca(s): |
Embrapa Meio Ambiente. |
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Data corrente: |
24/10/2017 |
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Data da última atualização: |
01/02/2021 |
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Tipo da produção científica: |
Resumo em Anais de Congresso |
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Autoria: |
CLEMENTE, Z.; SILVA, G. H. da; MARTINEZ, D. S. T.; MAURER-MORELLI, C. V.; NUNES, M. C. S.; THOMAZ, A. A.; CASTRO, V. L. S. S. de. |
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Afiliação: |
VERA LUCIA SCHERHOLZ S DE CASTRO, CNPMA. |
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Título: |
Exploring the mechanisms of graphene oxide toxicity to zebrafish embryo. |
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Ano de publicação: |
2017 |
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Fonte/Imprenta: |
Applied Research in Toxicology, v. 2, p. 56, 2017. Suppl. 1. Abstracts of International Symposium on Toxicity Assesment, 18., 2017, Limeira. Ref. ISTA18-705454. |
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Idioma: |
Inglês |
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Conteúdo: |
Many applications of graphene oxide (GO) are still in the research phase, but its promising uses have raised concerns about their risks to human health and the environment. Environmental factors, as the presence of humic substances in aquatic environment, can affect nanomaterials behavior and its toxicological effects. A previous study of our group revealed that the exposure of zebrafish embryos to GO is related to a reduction in total body length and in acetylcholinesterase activity. Thus, the aim of this study was to investigate the implications of GO exposure in muscular development and acetylcholinesterase expression. Zebrafish embryos (n=48/group) were exposed to GO (100 mg/L) in the presence or absence of humic acid (HA, 20 mg/L) during 5 days. Larvae were not feed during the experiment and were exposed under a 14/10 h light/dark cycle, 26 ± 1oC. The mortality in all groups was below 10% and no malformation was observed. At the end of the experiment, alive larvae were fixed with PFA 4% to evaluate its muscular morphology (confocal microscopy, SHG technique) or frozen in liquid nitrogen to perform RT-PCR analysis (AchE expression). Measurements of sarcomere and somite length were performed. No change in muscular tissue was observed, neither differences in AchE expression among groups were detected. So, further experiments have to be performed to clarify the mechanisms of graphene toxicity. FAPESP grants 2014/01995-9, 2014/12891-0, 2014/15640-8. |
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Palavras-Chave: |
Zebrafish. |
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Categoria do assunto: |
W Química e Física |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/165499/1/RA-CastroVLSS-ISTA18-ART-2017-PA....pdf
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Marc: |
LEADER 02169nam a2200193 a 4500
001 2078089
005 2021-02-01
008 2017 bl uuuu u00u1 u #d
100 1 $aCLEMENTE, Z.
245 $aExploring the mechanisms of graphene oxide toxicity to zebrafish embryo.$h[electronic resource]
260 $aApplied Research in Toxicology, v. 2, p. 56, 2017. Suppl. 1. Abstracts of International Symposium on Toxicity Assesment, 18., 2017, Limeira. Ref. ISTA18-705454.$c2017
520 $aMany applications of graphene oxide (GO) are still in the research phase, but its promising uses have raised concerns about their risks to human health and the environment. Environmental factors, as the presence of humic substances in aquatic environment, can affect nanomaterials behavior and its toxicological effects. A previous study of our group revealed that the exposure of zebrafish embryos to GO is related to a reduction in total body length and in acetylcholinesterase activity. Thus, the aim of this study was to investigate the implications of GO exposure in muscular development and acetylcholinesterase expression. Zebrafish embryos (n=48/group) were exposed to GO (100 mg/L) in the presence or absence of humic acid (HA, 20 mg/L) during 5 days. Larvae were not feed during the experiment and were exposed under a 14/10 h light/dark cycle, 26 ± 1oC. The mortality in all groups was below 10% and no malformation was observed. At the end of the experiment, alive larvae were fixed with PFA 4% to evaluate its muscular morphology (confocal microscopy, SHG technique) or frozen in liquid nitrogen to perform RT-PCR analysis (AchE expression). Measurements of sarcomere and somite length were performed. No change in muscular tissue was observed, neither differences in AchE expression among groups were detected. So, further experiments have to be performed to clarify the mechanisms of graphene toxicity. FAPESP grants 2014/01995-9, 2014/12891-0, 2014/15640-8.
653 $aZebrafish
700 1 $aSILVA, G. H. da
700 1 $aMARTINEZ, D. S. T.
700 1 $aMAURER-MORELLI, C. V.
700 1 $aNUNES, M. C. S.
700 1 $aTHOMAZ, A. A.
700 1 $aCASTRO, V. L. S. S. de
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Embrapa Meio Ambiente (CNPMA) |
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