2007
DOI: 10.1590/s0100-46702007000400005
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Desenvolvimento e validação de método analítico para determinação simultânea de catecolaminas em órgãos reprodutores de ratos por cromatografia líquida de alta eficiência com detecção eletroquímica

Abstract: O objetivo deste trabalho foi propor um método rápido e sensível para a determinação simultânea de catecolaminas (noradrenalina e adrenalina) em amostras de órgãos reprodutores de ratos machos por Cromatografia Líquida de Alta Eficiência com Detecção Eletroquímica. O método envolveu a injeção direta do extrato ácido da amostra de tecido em uma coluna cromatográfica com superfície interna de fase (HSA-C18), empregando a fase móvel foi composta por solução de ácido metanosulfônico a 0.013mol L-1 (pH = 3.0): acet… Show more

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Cited by 2 publications
(2 citation statements)
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“…As for now, no chemical or electrochemical methods, capable of determining accurately the 4-4´dihydroxyazobenzene have been described. Nevertheless, from the chemical composition of the compound, it is possible to foresee that, as other phenolic and hydroquinone compounds, it will be electrochemically active [9][10][11][12][13][14] for either cathodic or anodic determination. Its behavior has to be similar to that of either Sudan dyes or hydroquinone compounds.…”
Section: Figure 1 4-4´-dihydroxyazobenzenementioning
confidence: 99%
“…As for now, no chemical or electrochemical methods, capable of determining accurately the 4-4´dihydroxyazobenzene have been described. Nevertheless, from the chemical composition of the compound, it is possible to foresee that, as other phenolic and hydroquinone compounds, it will be electrochemically active [9][10][11][12][13][14] for either cathodic or anodic determination. Its behavior has to be similar to that of either Sudan dyes or hydroquinone compounds.…”
Section: Figure 1 4-4´-dihydroxyazobenzenementioning
confidence: 99%
“…Catecholamines exert many functions at both the central and autonomous nervous systems (Silva, Menezes, Kempinas, 2007). These molecules have an oxidized cathecolic group which can be catalyzed by many oxidases.…”
Section: Catecholaminementioning
confidence: 99%