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Registro Completo |
Biblioteca(s): |
Embrapa Cerrados. |
Data corrente: |
27/04/1999 |
Data da última atualização: |
23/01/2008 |
Autoria: |
STAFLEU, F. A. (Ed.). |
Título: |
International code of botanical nomenclature, adopted by the Eleventh International Botanical Congress Seattle, 1969. |
Ano de publicação: |
1972 |
Fonte/Imprenta: |
Utrecht: A. Oosthoek's Uitgeversmaatschappij N.V., 1972. |
Páginas: |
426p. |
Série: |
(Regnum Vegetabile, 82). |
Idioma: |
Inglês |
Palavras-Chave: |
Nomenclature. |
Thesagro: |
Botânica; Nomenclatura. |
Thesaurus Nal: |
botany. |
Categoria do assunto: |
-- |
Marc: |
LEADER 00536nam a2200169 a 4500 001 1563452 005 2008-01-23 008 1972 bl uuuu 00u1 u #d 100 1 $aSTAFLEU, F. A. (Ed.). 245 $aInternational code of botanical nomenclature, adopted by the Eleventh International Botanical Congress Seattle, 1969. 260 $aUtrecht: A. Oosthoek's Uitgeversmaatschappij N.V.$c1972 300 $a426p. 490 $a(Regnum Vegetabile, 82). 650 $abotany 650 $aBotânica 650 $aNomenclatura 653 $aNomenclature
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Embrapa Cerrados (CPAC) |
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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
Biblioteca(s): |
Embrapa Instrumentação. |
Data corrente: |
25/11/2004 |
Data da última atualização: |
08/03/2010 |
Autoria: |
BORATO, C. E.; RIUL JR. A.; FERREIRA, M.; OLIVEIRA JR. O. N.; MATTOSO, L. H. C. |
Título: |
Exploiting the Versatility of Taste Sensors Based on Impedance Spectroscopy |
Ano de publicação: |
2004 |
Fonte/Imprenta: |
Instrumentation Science & Technology, Monticello, v.32, n.1, p. 21-30, 2004. |
Idioma: |
Inglês |
Conteúdo: |
The versatility of sensor arrays made from nanostructured Langmuir-Blodgett (LB) and layer-by-Iayer (LBL) films is demonstrated in two ways. First, different combinations of sensing units are employed to distinguish the basic tastes, Vil. sweet, sour, bitter. and salty tastes, produced, respectively, by small concentrations (down to 0.01 g/mol) of sucrose, HCI, quinine, and NaCI solutions. The sensing units are comprised of LB and/or LBL films from serniconducting polymers, a ruthenium complex, and sulfonated lignin. Then, sensor arrays were used to identify wines from different sources, with the high distinguishing ability being demonstrated in principal component analysis (PCA) plots. Particularly important was the fact that the sensing ability does not depend on specific interactions between analytes and the film materiaIs, but a judicious choice of materiaIs is, nevertheless, required for the materiaIs to respond 1 differently to a given sample. lt is algO shown that the interaction with the analyte may affect the morphology of the nanostructured films, as indicated with scanning electron microscopy. |
Palavras-Chave: |
Espectroscopia; Ordem sensorial. |
Categoria do assunto: |
-- |
Marc: |
LEADER 01685naa a2200193 a 4500 001 1028685 005 2010-03-08 008 2004 bl --- 0-- u #d 100 1 $aBORATO, C. E. 245 $aExploiting the Versatility of Taste Sensors Based on Impedance Spectroscopy 260 $c2004 520 $aThe versatility of sensor arrays made from nanostructured Langmuir-Blodgett (LB) and layer-by-Iayer (LBL) films is demonstrated in two ways. First, different combinations of sensing units are employed to distinguish the basic tastes, Vil. sweet, sour, bitter. and salty tastes, produced, respectively, by small concentrations (down to 0.01 g/mol) of sucrose, HCI, quinine, and NaCI solutions. The sensing units are comprised of LB and/or LBL films from serniconducting polymers, a ruthenium complex, and sulfonated lignin. Then, sensor arrays were used to identify wines from different sources, with the high distinguishing ability being demonstrated in principal component analysis (PCA) plots. Particularly important was the fact that the sensing ability does not depend on specific interactions between analytes and the film materiaIs, but a judicious choice of materiaIs is, nevertheless, required for the materiaIs to respond 1 differently to a given sample. lt is algO shown that the interaction with the analyte may affect the morphology of the nanostructured films, as indicated with scanning electron microscopy. 653 $aEspectroscopia 653 $aOrdem sensorial 700 1 $aRIUL JR. A. 700 1 $aFERREIRA, M. 700 1 $aOLIVEIRA JR. O. N. 700 1 $aMATTOSO, L. H. C. 773 $tInstrumentation Science & Technology, Monticello$gv.32, n.1, p. 21-30, 2004.
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