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Registro Completo |
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Biblioteca(s): |
Embrapa Instrumentação. |
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Data corrente: |
03/07/2003 |
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Data da última atualização: |
24/02/2010 |
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Autoria: |
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. |
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Afiliação: |
Embrapa Instrumentação Agropecuária, São Carlos, SP. |
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Título: |
Preparation, characterization and taste sensing properties of Langmuir-Blodgett Films from mixtures of polyaniline and rutheniu complex. |
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Ano de publicação: |
2003 |
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Fonte/Imprenta: |
Polymer, Guildford, v. 44, p. 4205-4211, 2003. |
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Idioma: |
Inglês |
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Conteúdo: |
Languir-Blodgett (LB) films fro a ruthenium complex, mer-[RuCl3(dppb)(py)] (dppb = PPh2(CH2)4PPh2; py = pyridine) (Rupy), and from mixtues with varied amounts of polyaniline (PANi) were fabricated. Molecular-level interactions between the two components are investigated by surface potencial, dc conductivity and Raman spectroscopy measurements, particularly for the mixed film with 10% of Rupy. For the latter, the better miscibility led to an interacton with Rupy inducing a decrease in the conducting state of PANi, as observed in the Raman spectra and conductivity measurement. The interaction causes the final film properties to depend on the concentration of Rupy, and this was exploited to produce a sensor array made up of sensing units consisting of 11-layer LB films from pure PANi, pure Rupy and mixtures with 10 and 30% of Rupy. It is shown that the combination of only four non-specific sensing units allows one to distinguish the basic tastes detected by biological systems, viz. saltiness, sweetness, sourness and bitterness, at the (...) level. |
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Palavras-Chave: |
Langmuir-Blodgett films; Polianilina; Ruthernium complex. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 01795naa a2200241 a 4500
001 1024799
005 2010-02-24
008 2003 bl --- 0-- u #d
100 1 $aFERREIRA, M.
245 $aPreparation, characterization and taste sensing properties of Langmuir-Blodgett Films from mixtures of polyaniline and rutheniu complex.
260 $c2003
520 $aLanguir-Blodgett (LB) films fro a ruthenium complex, mer-[RuCl3(dppb)(py)] (dppb = PPh2(CH2)4PPh2; py = pyridine) (Rupy), and from mixtues with varied amounts of polyaniline (PANi) were fabricated. Molecular-level interactions between the two components are investigated by surface potencial, dc conductivity and Raman spectroscopy measurements, particularly for the mixed film with 10% of Rupy. For the latter, the better miscibility led to an interacton with Rupy inducing a decrease in the conducting state of PANi, as observed in the Raman spectra and conductivity measurement. The interaction causes the final film properties to depend on the concentration of Rupy, and this was exploited to produce a sensor array made up of sensing units consisting of 11-layer LB films from pure PANi, pure Rupy and mixtures with 10 and 30% of Rupy. It is shown that the combination of only four non-specific sensing units allows one to distinguish the basic tastes detected by biological systems, viz. saltiness, sweetness, sourness and bitterness, at the (...) level.
653 $aLangmuir-Blodgett films
653 $aPolianilina
653 $aRuthernium complex
700 1 $aCONSTANTINO, C. J. L.
700 1 $aRIUL JR. A.
700 1 $aWOHNRATH, K.
700 1 $aAROCA, R. F.
700 1 $aGIACOMETTI, J. A.
700 1 $aOLIVEIRA JR. O. N.
700 1 $aMATTOSO, L. H. C.
773 $tPolymer, Guildford$gv. 44, p. 4205-4211, 2003.
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Registro original: |
Embrapa Instrumentação (CNPDIA) |
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 | Acesso ao texto completo restrito à biblioteca da Embrapa Recursos Genéticos e Biotecnologia. Para informações adicionais entre em contato com cenargen.biblioteca@embrapa.br. |
Registro Completo
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Biblioteca(s): |
Embrapa Recursos Genéticos e Biotecnologia. |
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Data corrente: |
28/03/2009 |
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Data da última atualização: |
08/05/2024 |
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Tipo da produção científica: |
Resumo em Anais de Congresso |
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Autoria: |
MENDONÇA, R. S.; NAVIA, D.; MIGEON, A.; DINIZ, I. R.; NAVAJAS, M. |
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Afiliação: |
RENATA SANTOS MENDONÇA; DENISE NAVIA MAGALHÃES FERREIRA, EMBRAPA RECURSOS GENÉTICOS E BIOTECNOLOGIA; ALAIN MIGEON, CAMPUS INTERNATIONAL DE BAILLARGUET; IVONE REZENDE DINIZ, UNIVERSIDADE DE BRASÍLIA; INRA. |
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Título: |
Molecular characterization and host plant associations in the two spotted spider mite, Tetranychus urticae Koch (Tetranychidae) populations of Brazil and the West Paleartic region. |
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Ano de publicação: |
2008 |
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Fonte/Imprenta: |
In: EUROPEAN CONGRESS OF ACAROLOGY INTEGRATIVE ACAROLOGY, 6., Abstracts... Montpellier: EURAAC, 2008. |
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Páginas: |
p. 68. |
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Idioma: |
Inglês |
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Palavras-Chave: |
Host plant. |
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Thesaurus NAL: |
phylogeny; South America. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 00708nam a2200193 a 4500
001 1191212
005 2024-05-08
008 2008 bl uuuu u00u1 u #d
100 1 $aMENDONÇA, R. S.
245 $aMolecular characterization and host plant associations in the two spotted spider mite, Tetranychus urticae Koch (Tetranychidae) populations of Brazil and the West Paleartic region.$h[electronic resource]
260 $aIn: EUROPEAN CONGRESS OF ACAROLOGY INTEGRATIVE ACAROLOGY, 6., Abstracts... Montpellier: EURAAC$c2008
300 $ap. 68.
650 $aphylogeny
650 $aSouth America
653 $aHost plant
700 1 $aNAVIA, D.
700 1 $aMIGEON, A.
700 1 $aDINIZ, I. R.
700 1 $aNAVAJAS, M.
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Embrapa Recursos Genéticos e Biotecnologia (CENARGEN) |
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