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| 1. |  | YANOMAMI, M. I.; YANOMAMI, E.; ALBERT, B.; MILLIKEN, W.; COELHO, V. (org.). Manual dos remédios tradicionais Yanomami. São Paulo: Instituto Socioambiental; Boa Vista, RR: Hutukara Associação Yanomami, 2014. 256 p. il. color. (Saberes da Floresta Yanomami, v. 2). Publicação bilíngue: português e tupi guarani. Tradução: Bruce Albert, |Helder Perri, Richard Vanderlan de Souza Duque, Vicente Coelho. Coleção Juliana Santilli: Biblioteca da Embrapa Sede.| Biblioteca(s): Embrapa Unidades Centrais. |
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Registro Completo
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Biblioteca(s): |
Embrapa Agroindústria Tropical; Embrapa Algodão. |
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Data corrente: |
23/01/2024 |
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Data da última atualização: |
02/02/2024 |
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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: |
PEREIRA, A. L. S.; FEITOSA, J. P. A.; MORAIS, J. P. S.; ROSA, M. de F. |
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Afiliação: |
ANDRÉ LUÍS SOUSA PEREIRA, UNIVERSIDADE FEDERAL DO CEARÁ; JUDITH PESSOA ANDRADE FEITOSA, UNIVERSIDADE FEDERAL DO CEARÁ; JOAO PAULO SARAIVA MORAIS, CNPA; MORSYLEIDE DE FREITAS ROSA, CNPAT. |
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Título: |
Cellulose source tailors the physical and structural properties of double-functionalized aerogels. |
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Ano de publicação: |
2023 |
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Fonte/Imprenta: |
Journal of Natural Fibers, v. 20, n. 1, article 2140377, 2023. |
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DOI: |
https://doi.org/10.1080/15440478.2022.2140377 |
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Idioma: |
Inglês |
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Notas: |
Published online: 22 Nov 2022. |
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Conteúdo: |
ABSTRACT - Cellulose aerogels are solid materials with high porosity, low density, and large surface area, and show excellent absorption of mechanical stress. These characteristics are appropriate for the development of new high-value pro-ducts. However, over the years, it has been increasingly difficult to compare different studies about this material due to the different approaches used. In the present work, three different raw materials, bacterial cellulose from synthetic medium (BC), bacterial cellulose from cashew juice permeate (BCP), and eucalyptus nanocellulose (EC) were double-functionalized with TEMPO oxidation followed by silanization and freeze-dried, resulting in three different types of cellulose aerogels. These aerogels were evaluated for their performance in the absorption of organic oils/solvents and mechanical properties. The raw materials lead to aerogels with different characteristics. BC aerogel has the best mechanical properties and absorp-tion capacity after 7 cycles; BCP aerogel presented the highest values for oil absorption and EC aerogel for organic solvent absorption. |
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Palavras-Chave: |
Bacterial cellulose; Cashew juice permeate; Cellulose aerogel; Silanization; TEMPO oxidation. |
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Thesagro: |
Anacardium Occidentale; Caju; Celulose. |
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Thesaurus NAL: |
Cellulose. |
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Categoria do assunto: |
F Plantas e Produtos de Origem Vegetal |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/doc/1161221/1/Cellulose-source-tailors-physical-2022.pdf
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Marc: |
LEADER 02015naa a2200289 a 4500
001 2161221
005 2024-02-02
008 2023 bl uuuu u00u1 u #d
024 7 $ahttps://doi.org/10.1080/15440478.2022.2140377$2DOI
100 1 $aPEREIRA, A. L. S.
245 $aCellulose source tailors the physical and structural properties of double-functionalized aerogels.$h[electronic resource]
260 $c2023
500 $aPublished online: 22 Nov 2022.
520 $aABSTRACT - Cellulose aerogels are solid materials with high porosity, low density, and large surface area, and show excellent absorption of mechanical stress. These characteristics are appropriate for the development of new high-value pro-ducts. However, over the years, it has been increasingly difficult to compare different studies about this material due to the different approaches used. In the present work, three different raw materials, bacterial cellulose from synthetic medium (BC), bacterial cellulose from cashew juice permeate (BCP), and eucalyptus nanocellulose (EC) were double-functionalized with TEMPO oxidation followed by silanization and freeze-dried, resulting in three different types of cellulose aerogels. These aerogels were evaluated for their performance in the absorption of organic oils/solvents and mechanical properties. The raw materials lead to aerogels with different characteristics. BC aerogel has the best mechanical properties and absorp-tion capacity after 7 cycles; BCP aerogel presented the highest values for oil absorption and EC aerogel for organic solvent absorption.
650 $aCellulose
650 $aAnacardium Occidentale
650 $aCaju
650 $aCelulose
653 $aBacterial cellulose
653 $aCashew juice permeate
653 $aCellulose aerogel
653 $aSilanization
653 $aTEMPO oxidation
700 1 $aFEITOSA, J. P. A.
700 1 $aMORAIS, J. P. S.
700 1 $aROSA, M. de F.
773 $tJournal of Natural Fibers$gv. 20, n. 1, article 2140377, 2023.
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Registro original: |
Embrapa Algodão (CNPA) |
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