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 | Acesso ao texto completo restrito à biblioteca da Embrapa Instrumentação. Para informações adicionais entre em contato com cnpdia.biblioteca@embrapa.br. |
Registro Completo
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Biblioteca(s): |
Embrapa Instrumentação. |
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Data corrente: |
05/04/2005 |
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Data da última atualização: |
05/04/2005 |
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Autoria: |
RIUL JR. A.; SOTO, A. M. G.; MELLO, S. V.; BONE, S.; TAYLOR, D. M.; MATTOSO, L. H. C. |
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Título: |
An electronic tongue using polypyrrole and polyaniline. |
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Ano de publicação: |
2003 |
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Fonte/Imprenta: |
Synthetic Metals, Lausanne, v. 132, p. 109-166, 2003. |
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Idioma: |
Inglês |
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Conteúdo: |
An electronic tongue composed of six different sensing units: a bare interdigitated electrode, and interdigitated electrodes coated with stearic acid (SA), a polyaniline oligomer (16-mer), polypyrrole (PPy) and mixtures (1:1, w/w) of 16-mer/SA and PPy/SA, was able to distinguish salt, sweet, bitter and acidic solutions. The films were deposited by lhe Langmuir-Blodgett (LB) technique onto interdigitated electrodes, and impedance studies were performed over lhe frequency range 20-105 Hz. The sensor is able to distinguish between different brands of mineral water, tea and coffee and can algo differentiate tastants below lhe human detection thfeshold, proving that conducting polymers are useful sensing materiaIs and transducers for this sort of application. |
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Palavras-Chave: |
Língua eletrônica; Polianilina. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 01307naa a2200205 a 4500
001 1028915
005 2005-04-05
008 2003 bl --- 0-- u #d
100 1 $aRIUL JR. A.
245 $aAn electronic tongue using polypyrrole and polyaniline.
260 $c2003
520 $aAn electronic tongue composed of six different sensing units: a bare interdigitated electrode, and interdigitated electrodes coated with stearic acid (SA), a polyaniline oligomer (16-mer), polypyrrole (PPy) and mixtures (1:1, w/w) of 16-mer/SA and PPy/SA, was able to distinguish salt, sweet, bitter and acidic solutions. The films were deposited by lhe Langmuir-Blodgett (LB) technique onto interdigitated electrodes, and impedance studies were performed over lhe frequency range 20-105 Hz. The sensor is able to distinguish between different brands of mineral water, tea and coffee and can algo differentiate tastants below lhe human detection thfeshold, proving that conducting polymers are useful sensing materiaIs and transducers for this sort of application.
653 $aLíngua eletrônica
653 $aPolianilina
700 1 $aSOTO, A. M. G.
700 1 $aMELLO, S. V.
700 1 $aBONE, S.
700 1 $aTAYLOR, D. M.
700 1 $aMATTOSO, L. H. C.
773 $tSynthetic Metals, Lausanne$gv. 132, p. 109-166, 2003.
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