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Biblioteca(s): |
Embrapa Instrumentação. |
Data corrente: |
06/01/2023 |
Data da última atualização: |
11/01/2024 |
Tipo da produção científica: |
Capítulo em Livro Técnico-Científico |
Autoria: |
ANDRE, R. S.; FACURE, M. H. M.; SCHNEIDER, R.; MIGLIORINI, F. L.; SANTOS, D. M. dos; MERCANTE, L. A.; CORREA, D. S. |
Afiliação: |
DANIEL SOUZA CORREA, CNPDIA. |
Título: |
Sensing Materials: Nanofibers Produced by Electrospinning and Solution Blow Spinning. |
Ano de publicação: |
2023 |
Fonte/Imprenta: |
In: Narayan, R. (Ed.), Encyclopedia of Sensors and Biosensors, v. 2, 2023. |
Páginas: |
521-541 |
ISBN: |
9780128225486 |
DOI: |
https://dx.doi.org/10.1016/B978-0-12-822548-6.00007-8 |
Idioma: |
Inglês |
Conteúdo: |
In this book chapter we review recent advances on the use of electrospun and solution-blow spun nanofibers, which display remarkable features as high surface area to volume ratio, high porosity, mechanical flexibility and possibility of functionalization, in the design of chemoresistive, electrochemical, opto-chemical and electronic-tongue sensors. Emphasizes is given on the fabrication of nanofibers of varied size, shape as well as with distinct surface and bulk functionalization with active compounds to interact with analytes ranging from heavy metals, food contaminants, microorganism, volatile organic compounds, among others. Finally, future trends for nanofibers fabrication and application in sensors are also discussed |
Palavras-Chave: |
Nanostructures; Sensors application. |
Categoria do assunto: |
-- |
Marc: |
LEADER 01526naa a2200253 a 4500 001 2150754 005 2024-01-11 008 2023 bl uuuu u00u1 u #d 020 $a9780128225486 024 7 $ahttps://dx.doi.org/10.1016/B978-0-12-822548-6.00007-8$2DOI 100 1 $aANDRE, R. S. 245 $aSensing Materials$bNanofibers Produced by Electrospinning and Solution Blow Spinning.$h[electronic resource] 260 $c2023 300 $a521-541 520 $aIn this book chapter we review recent advances on the use of electrospun and solution-blow spun nanofibers, which display remarkable features as high surface area to volume ratio, high porosity, mechanical flexibility and possibility of functionalization, in the design of chemoresistive, electrochemical, opto-chemical and electronic-tongue sensors. Emphasizes is given on the fabrication of nanofibers of varied size, shape as well as with distinct surface and bulk functionalization with active compounds to interact with analytes ranging from heavy metals, food contaminants, microorganism, volatile organic compounds, among others. Finally, future trends for nanofibers fabrication and application in sensors are also discussed 653 $aNanostructures 653 $aSensors application 700 1 $aFACURE, M. H. M. 700 1 $aSCHNEIDER, R. 700 1 $aMIGLIORINI, F. L. 700 1 $aSANTOS, D. M. dos 700 1 $aMERCANTE, L. A. 700 1 $aCORREA, D. S. 773 $tIn: Narayan, R. (Ed.), Encyclopedia of Sensors and Biosensors$gv. 2, 2023.
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Embrapa Instrumentação (CNPDIA) |
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Biblioteca(s): |
Embrapa Gado de Leite. |
Data corrente: |
17/06/2013 |
Data da última atualização: |
05/02/2024 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Circulação/Nível: |
B - 1 |
Autoria: |
CASTRO, R. DE J. C.; SOUZA SOBRINHO, F. de; GAMA, M. A. S. da; BARRA, P. M. DE C.; ANTONIASSI, R.; OLIVEIRA, M. A. L. DE. |
Afiliação: |
RENATA DE JESUS COELHO CASTRO, UFJF; FAUSTO DE SOUZA SOBRINHO, CNPGL; MARCO ANTONIO SUNDFELD DA GAMA, CNPGL; PATRICIA M. DE CASTRO BARRA, UFJF; ROSEMAR ANTONIASSI, CTAA; MARCONEI A. L. DE OLIVEIRA, UFJF. |
Título: |
Analysis of the main conjugated linoleic acid (CLA) precursors (C18:2 n-6 and C18:3 n-3) in Brachiaria ruzizienses by capillary zone electrophoresis. |
Ano de publicação: |
2013 |
Fonte/Imprenta: |
Central European Journal of Chemistry, v. 11, n. 8, p. 1286-1296, 2013. |
Páginas: |
p. 1286-1296 |
Idioma: |
Inglês |
Conteúdo: |
An alternative method for extraction optimization of C18:2 n-6 and C18:3 n-3, the main precursors for the synthesis of conjugated linoleic acid (CLA), in Brachiaria ruzizienses forages was proposed. Three methods of lipid extraction were tested: 1. Hara & Radin, 2. Micro Folch and 3. Bligh & Dyer. The preliminary test showed the Hara & Radin method as the most promising procedure. Then, a 33Box Behnken design with triplicate in the central point was applied in Hara & Radin method in order to optimize the extraction procedure. The optimization extraction was monitored by quantification of C18:2 n-6 and C18:3 n-3 through capillary zone electrophoresis (CZE). The results obtained by CZE were compared to gas chromatography (AOCS official method) in real samples using the paired t-test. No significant difference between methods was found within a 95% confidence interval (p-value= 0.937). The alternative CZE method for Brachiaria ruzizienses forages analysis has some advantages in comparison with official GC method such as, short analysis time (10 min), no derivatization step for sample preparation, absence of specific separation columns, lower analytical cost and high throughput. |
Palavras-Chave: |
Desenho fatorial; Metodo de extração; Precurssor CLA. |
Thesagro: |
Forragem. |
Categoria do assunto: |
F Plantas e Produtos de Origem Vegetal |
URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/97936/1/Artigo-Fausto-Analysis-art3A10.24782Fs11532-013-0262-z.pdf
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Marc: |
LEADER 01998naa a2200241 a 4500 001 1959987 005 2024-02-05 008 2013 bl uuuu u00u1 u #d 100 1 $aCASTRO, R. DE J. C. 245 $aAnalysis of the main conjugated linoleic acid (CLA) precursors (C18$b2 n-6 and C18:3 n-3) in Brachiaria ruzizienses by capillary zone electrophoresis.$h[electronic resource] 260 $c2013 300 $ap. 1286-1296 520 $aAn alternative method for extraction optimization of C18:2 n-6 and C18:3 n-3, the main precursors for the synthesis of conjugated linoleic acid (CLA), in Brachiaria ruzizienses forages was proposed. Three methods of lipid extraction were tested: 1. Hara & Radin, 2. Micro Folch and 3. Bligh & Dyer. The preliminary test showed the Hara & Radin method as the most promising procedure. Then, a 33Box Behnken design with triplicate in the central point was applied in Hara & Radin method in order to optimize the extraction procedure. The optimization extraction was monitored by quantification of C18:2 n-6 and C18:3 n-3 through capillary zone electrophoresis (CZE). The results obtained by CZE were compared to gas chromatography (AOCS official method) in real samples using the paired t-test. No significant difference between methods was found within a 95% confidence interval (p-value= 0.937). The alternative CZE method for Brachiaria ruzizienses forages analysis has some advantages in comparison with official GC method such as, short analysis time (10 min), no derivatization step for sample preparation, absence of specific separation columns, lower analytical cost and high throughput. 650 $aForragem 653 $aDesenho fatorial 653 $aMetodo de extração 653 $aPrecurssor CLA 700 1 $aSOUZA SOBRINHO, F. de 700 1 $aGAMA, M. A. S. da 700 1 $aBARRA, P. M. DE C. 700 1 $aANTONIASSI, R. 700 1 $aOLIVEIRA, M. A. L. DE 773 $tCentral European Journal of Chemistry$gv. 11, n. 8, p. 1286-1296, 2013.
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