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| 1. |  | BRITEZ, G. D. V.; VARGAS JÚNIOR, F. M.; RETORE, M.; DUARTE, J. A. V.; DUARTE, N. D. L.; ALVARENGA, J. D. S.; SOUSA, A. M.; SILVA, M. C. Ganho médio diário, pesos e rendimentos de carcaça de cordeiros terminados a pasto com suplementação concentrada ou confinados: estudo meta-analítico. In: WORKSHOP EM ZOOTECNIA E PRODUÇÃO ANIMAL, 3., 2016, DOURADOS. [Anais...]. Dourados: UFGS: UEMS: UFMS, 2016.| Biblioteca(s): Embrapa Agropecuária Oeste. |
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 | Acesso ao texto completo restrito à biblioteca da Embrapa Instrumentação. Para informações adicionais entre em contato com cnpdia.biblioteca@embrapa.br. |
Registro Completo
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Biblioteca(s): |
Embrapa Instrumentação. |
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Data corrente: |
13/03/2023 |
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Data da última atualização: |
13/03/2023 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
A - 1 |
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Autoria: |
DIAS, M. C.; ZIDANES, U. L.; MASCARENHAS, A. R. P.; SETTER, C.; SCATOLINO, M. V.; MARTINS, M. A.; MORI, F. A.; BELGACEM, M. N.; TONOLI, G. H. D.; FERREIRA, S. R. |
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Afiliação: |
MARIA ALICE MARTINS, CNPDIA. |
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Título: |
Mandacaru cactus as a source of nanofibrillated cellulose for nanopaper production. |
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Ano de publicação: |
2023 |
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Fonte/Imprenta: |
International Journal of Biological Macromolecules, v. 235, 123850, 2023. |
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Páginas: |
1-11 |
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ISSN: |
0141-8130 |
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DOI: |
https://doi.org/10.1016/j.ijbiomac.2023.123850 |
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Idioma: |
Inglês |
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Conteúdo: |
In this work, nanofibrillated cellulose (NFC) was extracted from cactus Cereus jamacaru DC. (mandacaru) for nanopaper production. The technique adopted includes alkaline treatment, bleaching, and grinding treatment. The NFC was characterized according to its properties and scored based on a quality index. Particle homogeneity, turbidity, and microstructure of the suspensions were evaluated. Correspondingly, the optical and physical mechanical properties of the nanopapers were investigated. The chemical constituents of the material were analyzed. The sedimentation test and the zeta potential analyzed the stability of the NFC suspension. The morphological investigation was performed using environmental scanning electron microscopy (ESEM) and transmission electron microscopy (TEM). X-ray diffraction (XRD) analysis revealed that Mandacaru NFC has high crystallinity. Thermogravimetric analysis (TGA) and mechanical analysis were also used and revealed good thermal stability and good mechanical properties of the material. Therefore, the application of mandacaru is interesting in sectors such as packaging and electronic device development, as well as in composite materials. Given its score of 72 points on a quality index, this material was presented as an attractive, facile, and innovative source for obtaining NFC. |
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Palavras-Chave: |
Cellulose nanofibrils; Cereus jamacaru DC. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 02202naa a2200289 a 4500
001 2152325
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022 $a0141-8130
024 7 $ahttps://doi.org/10.1016/j.ijbiomac.2023.123850$2DOI
100 1 $aDIAS, M. C.
245 $aMandacaru cactus as a source of nanofibrillated cellulose for nanopaper production.$h[electronic resource]
260 $c2023
300 $a1-11
520 $aIn this work, nanofibrillated cellulose (NFC) was extracted from cactus Cereus jamacaru DC. (mandacaru) for nanopaper production. The technique adopted includes alkaline treatment, bleaching, and grinding treatment. The NFC was characterized according to its properties and scored based on a quality index. Particle homogeneity, turbidity, and microstructure of the suspensions were evaluated. Correspondingly, the optical and physical mechanical properties of the nanopapers were investigated. The chemical constituents of the material were analyzed. The sedimentation test and the zeta potential analyzed the stability of the NFC suspension. The morphological investigation was performed using environmental scanning electron microscopy (ESEM) and transmission electron microscopy (TEM). X-ray diffraction (XRD) analysis revealed that Mandacaru NFC has high crystallinity. Thermogravimetric analysis (TGA) and mechanical analysis were also used and revealed good thermal stability and good mechanical properties of the material. Therefore, the application of mandacaru is interesting in sectors such as packaging and electronic device development, as well as in composite materials. Given its score of 72 points on a quality index, this material was presented as an attractive, facile, and innovative source for obtaining NFC.
653 $aCellulose nanofibrils
653 $aCereus jamacaru DC
700 1 $aZIDANES, U. L.
700 1 $aMASCARENHAS, A. R. P.
700 1 $aSETTER, C.
700 1 $aSCATOLINO, M. V.
700 1 $aMARTINS, M. A.
700 1 $aMORI, F. A.
700 1 $aBELGACEM, M. N.
700 1 $aTONOLI, G. H. D.
700 1 $aFERREIRA, S. R.
773 $tInternational Journal of Biological Macromolecules$gv. 235, 123850, 2023.
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