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3. | | CENACHI, D. B.; FURTADO, M. A. M.; BELL, M. J. V.; PEREIRA, M. S.; GARRIDO, L. A.; PINTO, M. A. de O. Aspectos composicionais, propriedades funcionais, nutricionais e sensoriais do leite de cabra: uma revisão. Revista do Instituto de Laticínios Cândido Tostes, Juiz de Fora, v. 66, n. 382, p. 12-20, 2011. Biblioteca(s): Embrapa Caprinos e Ovinos. |
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4. | | LAVORATO, J. A. A.; PINTO, M. A. DE O.; OTENIO, M. H.; PINTO, C. L. DE O.; BRUMANO, L. P.; NEVES, K. C. DE L. Diretrizes para elaboração de manual de boas praticas de laboratorio para industrias de laticinios de pequeno e medio porte com base na representação social dos utiliazadores. In: CONGRESSO NACIONAL DE LATICÍNIOS, 29., 2012, Juiz de Fora. Anais... Belo Horizonte: EPAMIG, 2012. Biblioteca(s): Embrapa Gado de Leite. |
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5. | | MEURER, I. R.; LANGE, C. C.; HUNGARO, H. M.; BELL, M. J. V.; ANJOS, V. de C. dos; SILVA, C. A. de S.; PINTO, M. A. de O. Quantification of whole ultra high temperature UHT milk waste as a function of packages type and design. Journal of Cleaner Production, v. 153, p. 483-490, 2017. Biblioteca(s): Embrapa Gado de Leite. |
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6. | | BESSA, M. E. De; RODARTE, M. P.; OTENIO, M. H.; STRINGHETA, P. C.; OLIVEIRA, J. M. De; BARBOSA, J. C.; PINTO, M. A. De O. Sensory perception of the fermented goat milk: potential application of the DSC method. Food Science and Technology, v. 36, n. 3, p. 406-412, 2016. Biblioteca(s): Embrapa Gado de Leite. |
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7. | | ASSIS, A. S. F.; CRUZ, L. T.; OTENIO, M. H.; PINTO, M. A. DE O.; BESSA, M. A.; VIEIRA, C. B.; MIAGOSTOVICH, M. P.; ROSA E SILVA, M. L. Environmental surveillance of rotavirus in drainage basin of Juiz de Fora, MG and its relation with the microbiological and physico-chemical parameters. In: SIMPOSIO LATINOAMERICANO DE VIROLOGÍA AMBIENTAL, 2., 2013, Salto, Uruguay. Resumos... Salto: Universidade de la República; Fiocruz, 2013. Biblioteca(s): Embrapa Gado de Leite. |
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Registro Completo
Biblioteca(s): |
Embrapa Florestas. |
Data corrente: |
18/01/2022 |
Data da última atualização: |
14/02/2022 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Circulação/Nível: |
A - 1 |
Autoria: |
SANSON, C. S. L.; HELM, C. V.; MAGALHAES, W. L. E.; BOLZON DE MUNIZ, G. I.; MISSIO, A. L.; CADEMARTORI, P. H. G. de. |
Afiliação: |
CAIO SILVESTRE LIMA SANSON, Programa de Graduação da UFPR; CRISTIANE VIEIRA HELM, CNPF; WASHINGTON LUIZ ESTEVES MAGALHAES, CNPF; GRACIELA INÉS BOLZON DE MUNIZ, UFPR; ANDRÉ LUIZ MISSIO, UFPel; PEDRO HENRIQUE GONZALEZ DE CADEMARTORI, UFPR. |
Título: |
Enhancing water repellency and decay resistance of wood by using water-soluble fractions separated from pyrolytic lignin of fast-pyrolysis bio-oil. |
Ano de publicação: |
2022 |
Fonte/Imprenta: |
Industrial Crops & Products, v. 177, 114540, Mar. 2022. 10 p. |
DOI: |
https://doi.org/10.1016/j.indcrop.2022.114540 |
Idioma: |
Inglês |
Conteúdo: |
Biocides with lower environmental and human health impacts have been demanded by the society. Based on bioeconomy concepts, we investigated the potential of water-soluble fractions separated from the pyrolytic lignin of fast-pyrolysis bio-oil for wood protection against physical and biological agents. The high-viscosity crude bio-oil was fractionated in two oil-to-water ratios, 1:50 and 1:100, by separating the pyrolytic lignin and water-soluble fractions. Additionally, exfoliated nanostructures of bentonite were incorporated into water-soluble fractions to form bicomponent systems to improve the protection degree. These materials were then characterized in terms of morphological, chemical, and biological features. The preservative formulations were impregnated into pinewood (Pinus taeda), with subsequent evaluation of the morphology, wettability, thermal aspects, and antifungal activity of treated wood to determine the degree of protection. The water-soluble fractions severely impacted the water repellency of wood with contact angles up to 115°, and normal growth of the decay fungi (Trametes versicolor and Gloeophyllum trabeum). Also, the addition of nanobentonite in the formulations improved the action of the water-soluble fractions against the physical and biological agents, specifically for G. trabeum the decay can be decreased around three times compared to untreated wood. The combined action of water-soluble fraction and nanobentonite supported the wood water repellency with time-dependent stability of the contact angle and excellent antifungal activity, which is partially explained by the chemical composition of the water-soluble fraction and physical barriers formed by the nanobentonite on the surface. Therefore, a single use of water-soluble fractions or in combination with nanobentonite has potential for application as a bio-based wood protection process. MenosBiocides with lower environmental and human health impacts have been demanded by the society. Based on bioeconomy concepts, we investigated the potential of water-soluble fractions separated from the pyrolytic lignin of fast-pyrolysis bio-oil for wood protection against physical and biological agents. The high-viscosity crude bio-oil was fractionated in two oil-to-water ratios, 1:50 and 1:100, by separating the pyrolytic lignin and water-soluble fractions. Additionally, exfoliated nanostructures of bentonite were incorporated into water-soluble fractions to form bicomponent systems to improve the protection degree. These materials were then characterized in terms of morphological, chemical, and biological features. The preservative formulations were impregnated into pinewood (Pinus taeda), with subsequent evaluation of the morphology, wettability, thermal aspects, and antifungal activity of treated wood to determine the degree of protection. The water-soluble fractions severely impacted the water repellency of wood with contact angles up to 115°, and normal growth of the decay fungi (Trametes versicolor and Gloeophyllum trabeum). Also, the addition of nanobentonite in the formulations improved the action of the water-soluble fractions against the physical and biological agents, specifically for G. trabeum the decay can be decreased around three times compared to untreated wood. The combined action of water-soluble fraction and nanobentonite supported the wood water repellenc... Mostrar Tudo |
Palavras-Chave: |
Antifungal activity; Aqueous fraction; Atividade antifúngica; Biorefinaria; Biorefinery; Conversão termoquímica; Proteção à madeira; Repelência à água; Thermochemical conversion; Water repellency; Wood protection. |
Categoria do assunto: |
X Pesquisa, Tecnologia e Engenharia |
Marc: |
LEADER 02985naa a2200325 a 4500 001 2139126 005 2022-02-14 008 2022 bl uuuu u00u1 u #d 024 7 $ahttps://doi.org/10.1016/j.indcrop.2022.114540$2DOI 100 1 $aSANSON, C. S. L. 245 $aEnhancing water repellency and decay resistance of wood by using water-soluble fractions separated from pyrolytic lignin of fast-pyrolysis bio-oil.$h[electronic resource] 260 $c2022 520 $aBiocides with lower environmental and human health impacts have been demanded by the society. Based on bioeconomy concepts, we investigated the potential of water-soluble fractions separated from the pyrolytic lignin of fast-pyrolysis bio-oil for wood protection against physical and biological agents. The high-viscosity crude bio-oil was fractionated in two oil-to-water ratios, 1:50 and 1:100, by separating the pyrolytic lignin and water-soluble fractions. Additionally, exfoliated nanostructures of bentonite were incorporated into water-soluble fractions to form bicomponent systems to improve the protection degree. These materials were then characterized in terms of morphological, chemical, and biological features. The preservative formulations were impregnated into pinewood (Pinus taeda), with subsequent evaluation of the morphology, wettability, thermal aspects, and antifungal activity of treated wood to determine the degree of protection. The water-soluble fractions severely impacted the water repellency of wood with contact angles up to 115°, and normal growth of the decay fungi (Trametes versicolor and Gloeophyllum trabeum). Also, the addition of nanobentonite in the formulations improved the action of the water-soluble fractions against the physical and biological agents, specifically for G. trabeum the decay can be decreased around three times compared to untreated wood. The combined action of water-soluble fraction and nanobentonite supported the wood water repellency with time-dependent stability of the contact angle and excellent antifungal activity, which is partially explained by the chemical composition of the water-soluble fraction and physical barriers formed by the nanobentonite on the surface. Therefore, a single use of water-soluble fractions or in combination with nanobentonite has potential for application as a bio-based wood protection process. 653 $aAntifungal activity 653 $aAqueous fraction 653 $aAtividade antifúngica 653 $aBiorefinaria 653 $aBiorefinery 653 $aConversão termoquímica 653 $aProteção à madeira 653 $aRepelência à água 653 $aThermochemical conversion 653 $aWater repellency 653 $aWood protection 700 1 $aHELM, C. V. 700 1 $aMAGALHAES, W. L. E. 700 1 $aBOLZON DE MUNIZ, G. I. 700 1 $aMISSIO, A. L. 700 1 $aCADEMARTORI, P. H. G. de 773 $tIndustrial Crops & Products$gv. 177, 114540, Mar. 2022. 10 p.
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