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| 1. |  | SOUSA, I. I.; SIQUEIRA, F.; FERREIRA, A. B. R.; SANTIAGO, G. G.; TORRES JUNIOR, R. A. de A.; SOUZA JUNIOR, M. D.; FARIA, F. J. C. Análise funcional de genes associados com espessura de gordura subcutânea em bovinos Canchim. In: JORNADA CIENTÍFICA EMBRAPA GADO DE CORTE, 13., 2017, Campo Grande, MS. [Anais...] Brasília, DF: Embrapa, 2017. p. 42-43.| Biblioteca(s): Embrapa Gado de Corte. |
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| Registros recuperados : 1 | |
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Registro Completo
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Biblioteca(s): |
Embrapa Meio Ambiente. |
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Data corrente: |
29/09/2006 |
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Data da última atualização: |
20/09/2017 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
Internacional - A |
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Autoria: |
POZZEBON, J. M.; QUEIROZ, S. C. do N. de; MELO, L. F. C.; KAPOR, M. A.; JARDIM, I. C. S. F. |
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Afiliação: |
J. M. POZZEBON, IQ/Unicamp; SONIA CLAUDIA DO N DE QUEIROZ, CNPMA; L. F. C. MELO, IQ/Unicamp; M. A. KAPOR, IQ/Unicamp; I. C. S. F. JARDIM, IQ/Unicamp. |
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Título: |
Application of new high-performance liquid chromatography and solid-phase extraction materials to the analysis of pesticides in human urine. |
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Ano de publicação: |
2003 |
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Fonte/Imprenta: |
Journal of Chromatography A, Amsterdam, v. 987, n. 1-2, p. 381-387, 2003. |
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Idioma: |
Inglês |
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Conteúdo: |
A method for the simultaneous determination of diuron and linuron pesticides in human urine was developed, using both solid-phase extraction (SPE) and high-performance liquid chromatography (HPLC) phases made in our own laboratory. These materials were prepared by sorption of polysiloxanes onto a silica surface, followed by immobilization. The HPLC columns were prepared from poly(methyloctylsiloxane), PMOS, immobilized onto silica with microwave radiation while the SPE cartridges where made with poly(methyloctadecylsiloxane), immobilized thermally. Method validation was performed for diuron and linuron for three fortification levels. The recoveries obtained were 85?103%, the inter- and intra-assay precisions were less than 1.6 and 1.8%, respectively. The limits of quantitation and detection for diuron were 2.4 and 8.0 ?g/l and for linuron were 5.0 and 12 ?g/l, respectively. |
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Thesagro: |
Cromatografia; Herbicida; Toxicologia; Urina. |
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Categoria do assunto: |
W Química e Física |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/163837/1/Pozzebon-Application-6383.pdf
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Marc: |
LEADER 01590naa a2200217 a 4500
001 1015037
005 2017-09-20
008 2003 bl uuuu u00u1 u #d
100 1 $aPOZZEBON, J. M.
245 $aApplication of new high-performance liquid chromatography and solid-phase extraction materials to the analysis of pesticides in human urine.$h[electronic resource]
260 $c2003
520 $aA method for the simultaneous determination of diuron and linuron pesticides in human urine was developed, using both solid-phase extraction (SPE) and high-performance liquid chromatography (HPLC) phases made in our own laboratory. These materials were prepared by sorption of polysiloxanes onto a silica surface, followed by immobilization. The HPLC columns were prepared from poly(methyloctylsiloxane), PMOS, immobilized onto silica with microwave radiation while the SPE cartridges where made with poly(methyloctadecylsiloxane), immobilized thermally. Method validation was performed for diuron and linuron for three fortification levels. The recoveries obtained were 85?103%, the inter- and intra-assay precisions were less than 1.6 and 1.8%, respectively. The limits of quantitation and detection for diuron were 2.4 and 8.0 ?g/l and for linuron were 5.0 and 12 ?g/l, respectively.
650 $aCromatografia
650 $aHerbicida
650 $aToxicologia
650 $aUrina
700 1 $aQUEIROZ, S. C. do N. de
700 1 $aMELO, L. F. C.
700 1 $aKAPOR, M. A.
700 1 $aJARDIM, I. C. S. F.
773 $tJournal of Chromatography A, Amsterdam$gv. 987, n. 1-2, p. 381-387, 2003.
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Embrapa Meio Ambiente (CNPMA) |
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