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Registro Completo |
Biblioteca(s): |
Embrapa Instrumentação. |
Data corrente: |
30/03/2005 |
Data da última atualização: |
30/03/2005 |
Autoria: |
PIZA, M. A.; CONSTANTINO, C. J. L.; VENANCIO, E. C.; MATTOSO, L. H. C. |
Título: |
Interaction mechanism of poly (o-ethoxyaniline) and collagen blends. |
Ano de publicação: |
2004 |
Fonte/Imprenta: |
Polymer, v. 44, p. 5663-5670, 2004. |
Idioma: |
Inglês |
Conteúdo: |
Blend films of poly (o-ethoxyaniline) (POEA) and collagen were fabricated by casting under optimized conditions and characterized by Raman scattering and UV - vis absorption spectroscopies. The UV - vis spectra showed that the addition of collagen in the aqueous solution of POEA promotes a dedoping of the POEA. This effect was also observed for the blend films as supported by Raman scattering and a mechanism for the chemical interaction between POEA-collagen is proposed. The influences of different percentage of collagen as well as the pH of stock solutions during the fabrication process of the blend films were also investigated. It was found that the preparation method plays an important role in the flexibility and freestanding properties of the films. Complementary, the surface morphology was studied by atomic force microscopy and the conductivity by dc measurements.
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Palavras-Chave: |
Blend; Conduction polymer. |
Thesaurus Nal: |
collagen. |
Categoria do assunto: |
-- |
Marc: |
LEADER 01392naa a2200193 a 4500 001 1028844 005 2005-03-30 008 2004 bl --- 0-- u #d 100 1 $aPIZA, M. A. 245 $aInteraction mechanism of poly (o-ethoxyaniline) and collagen blends. 260 $c2004 520 $aBlend films of poly (o-ethoxyaniline) (POEA) and collagen were fabricated by casting under optimized conditions and characterized by Raman scattering and UV - vis absorption spectroscopies. The UV - vis spectra showed that the addition of collagen in the aqueous solution of POEA promotes a dedoping of the POEA. This effect was also observed for the blend films as supported by Raman scattering and a mechanism for the chemical interaction between POEA-collagen is proposed. The influences of different percentage of collagen as well as the pH of stock solutions during the fabrication process of the blend films were also investigated. It was found that the preparation method plays an important role in the flexibility and freestanding properties of the films. Complementary, the surface morphology was studied by atomic force microscopy and the conductivity by dc measurements. 650 $acollagen 653 $aBlend 653 $aConduction polymer 700 1 $aCONSTANTINO, C. J. L. 700 1 $aVENANCIO, E. C. 700 1 $aMATTOSO, L. H. C. 773 $tPolymer$gv. 44, p. 5663-5670, 2004.
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Embrapa Instrumentação (CNPDIA) |
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Registros recuperados : 21 | |
1. | | NASCENTE, A. S.; DAMBIRO, J.; CONSTANTINO, C. Effects of grain-producing cover crops on rice grain yield in Cabo Delgado, Mozambique. Revista Ceres, Viçosa, MG, v. 64, n. 6, p. 607-615, nov./dez. 2017.Tipo: Artigo em Periódico Indexado | Circulação/Nível: B - 1 |
Biblioteca(s): Embrapa Arroz e Feijão. |
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6. | | PATERNO, L. G.; CONSTANTINO, C. L.; OLIVEIRA JUNIOR, O. N.; MATTOSO, L. H. C. Self-assembled films of polyanilines complexed with polyions. In: INTERNATIONAL CONFERENCE ON ORGANIZED MOLECULAR FILMS, 9., 2000, Potsdam. Programme and abstracts? Golm: Max Planck Institute of Colloids and Interfaces; Potsdam: University Potsdam, 2000. v. 1, p. 226, ref. T 163.Biblioteca(s): Embrapa Instrumentação. |
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15. | | FONSECA, R. D.; CORREA, D. S.; PARIS, E. C.; TRIBUZI, V. DEV, A. VOSS, T. AOKI, P. H. B. CONSTANTINO, C. J. L. MENDONCA, C. R. Fabrication of zinc oxide nanowires/polymer composites by two-photon polymerization. Journal of Polymer Science. Part B, Polymer Physics, Nova York, v. 52, p. 333-337, 2014.Tipo: Artigo em Periódico Indexado | Circulação/Nível: A - 1 |
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16. | | FERREIRA, M.; CONSTANTINO, C. J. L.; RIUL JR. A.; WOHNRATH, K.; AROCA, R. F.; GIACOMETTI, J. A.; OLIVEIRA JR. O. N.; MATTOSO, L. H. C. Preparation, characterization and taste sensing properties of Langmuir-Blodgett Films from mixtures of polyaniline and rutheniu complex. Polymer, Guildford, v. 44, p. 4205-4211, 2003.Biblioteca(s): Embrapa Instrumentação. |
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17. | | GOMES, R. da C.; CONSTANTINO, C.; FERNANDES JR, F.; KORITIAKI, N. A.; NIWA, M. V. G.; MARCONATO, M. N.; CASTRO, F. A. B.; RIBEIRO, E. L. A. Relationships among internal fat depots and subcutaneous fat in sheep. Journal of Animal Science v.90, (Supplement 3/J); Journal of Dairy Science, v.95, (Supplement 2), p.382, 2012. Edição dos trabalhos do: ADSA-PSA-AMPA-ASAS-CSAS-WSASAS JOINT ANNUAL MEETING, 2012, Phoenix-AR. Small Ruminant: Production.T370.Tipo: Resumo em Anais de Congresso |
Biblioteca(s): Embrapa Gado de Corte. |
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18. | | LEITE, F. L.; SIMOES, M. L.; OLIVEIRA NETO, M.; NASCENTE, P. A. P.; CONSTANTINO, C. J. L.; MATTOSO, L. H. C.; OLIVEIRA JUNIOR, O. N. A nanocarrier charge model for the transport in poly(o-alkoxyanilines). In: ENCONTRO DA SBPMAT, 10.; BRAZILIAN MRS MEETING, 10., 2011, Gramado. Resumos... Rio de Janeiro: SBPMat, 2011. não paginado.Tipo: Resumo em Anais de Congresso |
Biblioteca(s): Embrapa Instrumentação. |
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19. | | OLIVEIRA, F. A.; ALVES, N.; GIACOMETTI, J. A.; CONSTANTINO, C. J. L.; MATTOSO, L. H. C.; BALAN, A. M. O. A.; JOB, A. E. Study of the thermomechanical and electrical properties of conducting composites containing natural rubber and carbon black. Journal of applied polymer science, [s. l.], v. 106, n. 2, p. 1001-1006, 2007.Tipo: Artigo em Periódico Indexado | Circulação/Nível: Internacional - A |
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20. | | CONSTANTINO, C. J. L.; RIUL JR. A.; VENANCIO, E. C.; CONSOLIN, N.; ANTUNES, P. A.; FONSECA, F. J.; OLIVEIRA JR. O. N.; AROCA, R. F.; MATTOSO, L. H. C. Detection limit for artifical sensors based on ultrathin films of perylene derivatives. In: INTENATIONAL SYMPOSIUM ON OLFACTION AND ELECTRONIC NOISE, 9., 2002, Rome. ISOEN' 02: book of abstracts. p. 158.Biblioteca(s): Embrapa Instrumentação. |
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Registros recuperados : 21 | |
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