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Registro Completo |
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Biblioteca(s): |
Embrapa Instrumentação. |
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Data corrente: |
01/03/2005 |
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Data da última atualização: |
25/04/2008 |
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Autoria: |
MELLO, S. V.; MATTOSO, L. H. C.; FARIA, R. M.; OLIVEIRA JÚNIOR, O. N. |
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Título: |
Effect of doping on the fabrication of Langmuir and Langmuir-Blodgett films of poly(o-ethoxyaniline). |
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Ano de publicação: |
1995 |
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Fonte/Imprenta: |
Synthetic Metals, Lausanne, v. 71, p. 2039-2040, 1995. |
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Idioma: |
Inglês |
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Conteúdo: |
The properties of Langmuir films are generally dependent on the pH of the subphase. In a previous work, for instance, we observed that Langmuir films from poly(o-ethoxyaniline) (POEA) suitable for Langmuir-Blodgett deposition were only obtained if spread on an acidic subphase. Because POEA is highly soluble in both undoped and doped states, we have now extended these studies to systematically investigate the effect of doping on the fabrication of Langmuir and LB films. The pressure-area isotherms of the Langmuir films display less hysteresis and higher collapse pressures, when the polymer is doped in solution prior to spreading of the monolayer on an acidic subphase. This procedure leads to stable films that can be readily deposited in the form of LB films. |
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Palavras-Chave: |
Doping; Filmes; POEA. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 01315naa a2200193 a 4500
001 1028831
005 2008-04-25
008 1995 bl --- 0-- u #d
100 1 $aMELLO, S. V.
245 $aEffect of doping on the fabrication of Langmuir and Langmuir-Blodgett films of poly(o-ethoxyaniline).
260 $c1995
520 $aThe properties of Langmuir films are generally dependent on the pH of the subphase. In a previous work, for instance, we observed that Langmuir films from poly(o-ethoxyaniline) (POEA) suitable for Langmuir-Blodgett deposition were only obtained if spread on an acidic subphase. Because POEA is highly soluble in both undoped and doped states, we have now extended these studies to systematically investigate the effect of doping on the fabrication of Langmuir and LB films. The pressure-area isotherms of the Langmuir films display less hysteresis and higher collapse pressures, when the polymer is doped in solution prior to spreading of the monolayer on an acidic subphase. This procedure leads to stable films that can be readily deposited in the form of LB films.
653 $aDoping
653 $aFilmes
653 $aPOEA
700 1 $aMATTOSO, L. H. C.
700 1 $aFARIA, R. M.
700 1 $aOLIVEIRA JÚNIOR, O. N.
773 $tSynthetic Metals, Lausanne$gv. 71, p. 2039-2040, 1995.
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Registro original: |
Embrapa Instrumentação (CNPDIA) |
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| Registros recuperados : 3 | |
| 1. |  | PAUVOLID - CORREA, A.; MORALES, M. A.; LEVIS, S.; FIGUEIREDO, L. T. M.; COUTO-LIMA, D.; NOGUEIRA, M. F.; SILVA, E. E.; NOGUEIRA, R. M. R; SCHATZMAYR, H. G. Detection of neutralizing antibodies for west nile virus in resident horses from Brazilian Pantanal. Virus Reviews and Research, v. 15, supl. 1, p. 265, oct. 2010. Trabalho apresentado no NATIONAL MEETING OF VIROLOGY, 21.; MERCOSUL MEETING OF VIROLOGY, 5.| Tipo: Resumo em Anais de Congresso |
| Biblioteca(s): Embrapa Pantanal. |
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| 2. | | PAUVOLID CORRÊA, A.; FIGUEIREDO, L. T. M.; MORALES, M. A.; LEVIS, S.; COUTO-LIMA, D.; NOGUEIRA, M. F.; SCHATZMAYR, H. G. Serological evidence of cacipacore virus circulation in horses from Brazilian Pantanal. Virus Reviews and Research, v. 15, supl. 1, p. 264-265, oct. 2010. Trabalho apresentado no NATIONAL MEETING OF VIROLOGY, 21.; MERCOSUL MEETING OF VIROLOGY, 5.| Tipo: Resumo em Anais de Congresso |
| Biblioteca(s): Embrapa Pantanal. |
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| 3. | | PAUVOLID-CORRÊA, A.; MORALES, MARIA ALEJANDRA; LEVIS, S.; FIGUEIREDO, L. T. M.; COUTO-LIMA, D.; CAMPOS, Z.; NOGUEIRA, M. F.; SILVA, E. E. da; NOGUEIRA, R. M. R.; SCHATZMAYR, H. G. Neutralising antibodies for West Nile virus in horses from Brazilian Pantanal. Memórias do Instituto Oswaldo Cruz, Rio de Janeiro, v. 106, n.4, p. 467-474, jun. 2011.| Tipo: Artigo em Periódico Indexado | Circulação/Nível: A - 2 |
| Biblioteca(s): Embrapa Pantanal. |
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| Registros recuperados : 3 | |
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