2004
DOI: 10.1590/s1516-93322004000300008
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Aplicação da cromatografia líquida de alta eficiência para quantificação direta da 17

Abstract: A determinação dos níveis séricos de 17α-hidroxiprogesterona (17OHP) é essencial no diagnóstico laboratorial da hiperplasia adrenal congênita (CAH) por deficiência de 21-hidroxilase. Essa condição é responsável por pseudo-hermafroditismo em meninas INTRODUÇÃOA determinação dos níveis séricos de 17α-hidroxiprogesterona (17OHP) é essencial no diagnóstico laboratorial da hiperplasia adrenal congênita CAH por deficiência de 21-hidroxilase. Essa condição deve, idealmente, ser detectada precocemente, pois é responsá… Show more

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Cited by 1 publication
(2 citation statements)
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“…Furthermore, its use in extraction of steroids is frequently mentioned in the literature. [18][19][20][21] No pH interference was observed in extraction recovery, once the relationship between F and T was maintained with the different pH values (0.91 ± 0.03). Replacing RIA by RP-HPLC allows a significant reduction in the total time of analysis, because the usually employed RIA methodology requires a minimum of 6 h for the incubation step.…”
Section: Resultsmentioning
confidence: 99%
See 1 more Smart Citation
“…Furthermore, its use in extraction of steroids is frequently mentioned in the literature. [18][19][20][21] No pH interference was observed in extraction recovery, once the relationship between F and T was maintained with the different pH values (0.91 ± 0.03). Replacing RIA by RP-HPLC allows a significant reduction in the total time of analysis, because the usually employed RIA methodology requires a minimum of 6 h for the incubation step.…”
Section: Resultsmentioning
confidence: 99%
“…In this study, a method was developed to quantify free F in urine using reversed-phase high-performance liquid chromatography (RP-HPLC) after liquid-liquid extraction 18,19 and using triamcinolone acetonide (T) as internal standard.…”
Section: Introductionmentioning
confidence: 99%