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 | Acesso ao texto completo restrito à biblioteca da Embrapa Agroindústria Tropical. Para informações adicionais entre em contato com cnpat.biblioteca@embrapa.br. |
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Registro Completo |
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Biblioteca(s): |
Embrapa Agroindústria Tropical; Embrapa Instrumentação. |
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Data corrente: |
30/11/2022 |
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Data da última atualização: |
22/01/2024 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
GOIANA, M. L.; MATTOS, A. L. A.; AZEREDO, H. M. C. de; ROSA, M. de F. |
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Afiliação: |
ADRIANO LINCOLN ALBUQUERQUE MATTOS, CNPAT; HENRIETTE MONTEIRO C DE AZEREDO, CNPDIA; MORSYLEIDE DE FREITAS ROSA, CNPAT. |
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Título: |
Influence of dielectric barrier discharge cold plasma treatment on starch, gelatin, and bacterial cellulose biodegradable polymeric films. |
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Ano de publicação: |
2022 |
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Fonte/Imprenta: |
Polymers, v. 14, a5215, 2022. |
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Páginas: |
16 p. |
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DOI: |
10.3390/polym14235215 |
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Idioma: |
Inglês |
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Conteúdo: |
The environmental damage caused by plastic packaging and the need to reduce pollution requires actions to substitute plastic materials for more sustainable and biodegradable materials. Starch, gelatin, and bacterial cellulose films are three potential biodegradable polymeric films for use in packaging. However, these materials need improvements in their physical, chemical, and mechanical properties to be used in packaging. In this work, these films were treated with cold plasma to evaluate the effects of treatment conditions on several physical, chemical, and mechanical properties. The dielectric barrier discharge plasma technology was applied with varying treatment
times (0 to 20 min) and excitation frequencies (50 to 900 Hz) at 20 kV. The optimal excitation frequency for starch films (50 Hz) was different from the optimal frequency for gelatin and bacterial cellulose films (900 Hz), indicating a high dependency on the treatment in this variable that is often neglected. Plasma treatment improved the hydrophobicity, surface morphology, water resistance, and mechanical properties of all three films, with the advantage of not recurring to chemical or biological additives. |
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Palavras-Chave: |
Bacterial cellulose; Biopolymer. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 01831naa a2200205 a 4500
001 2149028
005 2024-01-22
008 2022 bl uuuu u00u1 u #d
024 7 $a10.3390/polym14235215$2DOI
100 1 $aGOIANA, M. L.
245 $aInfluence of dielectric barrier discharge cold plasma treatment on starch, gelatin, and bacterial cellulose biodegradable polymeric films.$h[electronic resource]
260 $c2022
300 $a16 p.
520 $aThe environmental damage caused by plastic packaging and the need to reduce pollution requires actions to substitute plastic materials for more sustainable and biodegradable materials. Starch, gelatin, and bacterial cellulose films are three potential biodegradable polymeric films for use in packaging. However, these materials need improvements in their physical, chemical, and mechanical properties to be used in packaging. In this work, these films were treated with cold plasma to evaluate the effects of treatment conditions on several physical, chemical, and mechanical properties. The dielectric barrier discharge plasma technology was applied with varying treatment times (0 to 20 min) and excitation frequencies (50 to 900 Hz) at 20 kV. The optimal excitation frequency for starch films (50 Hz) was different from the optimal frequency for gelatin and bacterial cellulose films (900 Hz), indicating a high dependency on the treatment in this variable that is often neglected. Plasma treatment improved the hydrophobicity, surface morphology, water resistance, and mechanical properties of all three films, with the advantage of not recurring to chemical or biological additives.
653 $aBacterial cellulose
653 $aBiopolymer
700 1 $aMATTOS, A. L. A.
700 1 $aAZEREDO, H. M. C. de
700 1 $aROSA, M. de F.
773 $tPolymers$gv. 14, a5215, 2022.
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Registro original: |
Embrapa Instrumentação (CNPDIA) |
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| Registros recuperados : 8 | |
| 5. |  | GOIANA, M. L.; MATTOS, A. L. A.; AZEREDO, H. M. C. de; ROSA, M. de F.; FERNANDES, F. A. N. Influence of Dielectric Barrier Discharge Cold Plasma Treatment on Starch, Gelatin, and Bacterial Cellulose Biodegradable Polymeric Films. Polymers, 14, 5215, 2022.| Tipo: Artigo em Periódico Indexado | Circulação/Nível: A - 1 |
| Biblioteca(s): Embrapa Agroindústria Tropical. |
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| 6. | | GOIANA, M. L.; BRITO, E. S. de; ALVES FILHO, E. G.; MIGUEL, E. DE. C; FERNANDES, F. A. N.; AZEREDO, H. M. C. de; ROSA, M. de F. Corn starch based films treated by dielectric barrier discharge plasma. International Journal of Biological Macromolecules, v. 183, p. 2009-2016, 2021.| Tipo: Artigo em Periódico Indexado | Circulação/Nível: A - 1 |
| Biblioteca(s): Embrapa Agroindústria Tropical. |
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| 7. | | LIMA, J. R.; SOUZA, A. C. R. de; PINTO, C. O.; ARAUJO, I. M. da S.; BRUNO, L. M.; GOIANA, M. L; WURLITZER, N. J.; TAJRA, T. F. Estabilidade durante armazenamento em temperatura ambiente de extrato hidrossolúvel de amêndoa de castanha-de-caju. Fortaleza: Embrapa Agroindústria Tropical, 2018. 15 p. (Embrapa Agroindústria Tropical. Boletim de Pesquisa e Desenvolvimento, 175).| Tipo: Boletim de Pesquisa e Desenvolvimento |
| Biblioteca(s): Embrapa Agroindústria de Alimentos; Embrapa Agroindústria Tropical. |
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| 8. | | LIMA, J. R.; ARAUJO, I. M. da S.; PINTO, C. O.; GOIANA, M. L.; RODRIGUES, M. do C. P.; LIMA, L. V. de. Obtaining cashew kernel protein concentrate from nut processing by-product and its use to formulate vegetal burger. Brazilian Journal Of Food Technology, v. 24, e2020232, p. 1-9, 2021. Obtenção e uso de concentrado proteico de amêndoa de caju a partir de subproduto do processamento da castanha para formulação de hamburguer vegetal.| Tipo: Artigo em Periódico Indexado | Circulação/Nível: B - 1 |
| Biblioteca(s): Embrapa Agroindústria de Alimentos; Embrapa Agroindústria Tropical. |
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| Registros recuperados : 8 | |
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| Nenhum registro encontrado para a expressão de busca informada. |
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