2008
DOI: 10.1016/j.jpba.2007.11.022
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Assessment of MEKC suitability for residue drug monitoring on pharmaceutical manufacturing equipment

Abstract: The suitability of micellar electrokinetic chromatography for the simultaneous trace determination of several compounds (sulfamethoxazole, trimethoprim, sulfanilic acid, sulfanilamide, 3,4,5-trimethoxybenzoic acid and nonoxynol-9) was assessed. The mixture was separated within 14 min at an applied voltage of 22 kV by using 30 mM phosphate electrolyte, containing 10 mM SDS, adjusted to pH 7.8. Under optimized separation conditions acceptable levels of linearity, precision and accuracy were obtained for all comp… Show more

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Cited by 6 publications
(6 citation statements)
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“…Recovery rate studies were performed to determine to what extent the residue may be retrieved from the production equipment. Thus, the analyzed sample (obtained by extraction with sodium hydroxide from swabs of stainless and plexiglass surfaces) showed mean recovery results from 93.4 to 95.5% for sulfamethoxazole and trimethoprim 46.…”
Section: Sulfonamidesmentioning
confidence: 95%
See 1 more Smart Citation
“…Recovery rate studies were performed to determine to what extent the residue may be retrieved from the production equipment. Thus, the analyzed sample (obtained by extraction with sodium hydroxide from swabs of stainless and plexiglass surfaces) showed mean recovery results from 93.4 to 95.5% for sulfamethoxazole and trimethoprim 46.…”
Section: Sulfonamidesmentioning
confidence: 95%
“…Some pharmaceuticals and veterinary commercials contain sulfonamides in conjunction with trimethoprim ( e.g. co‐trimoxazole is a combination of sulfamethoxazole and trimethoprim), antibiotic that acts inhibiting the synthesis of tetrahydrofolic acid 46. As summarized in Table 4, MEKC and CZE methods were developed for the analysis of sulfonamides in different matrices such as drugs, foods, and environmental samples.…”
Section: Sulfonamidesmentioning
confidence: 99%
“…Among these approaches, high performance liquid chromatography (HPLC) is the most popular one for its high sensitivity and accessibility. Compared with HPLC, micellar electrokinetic capillary chromatography (MEKC) is an economical method with many advantages such as short analysis time with high efficiency, low cost, minimal sample volume, multiple separation modes, which has been recognized as an attractive and practical means in the field of TCM analysis. In addition, few publications have reported on TCM/DS MEKC fingerprints.…”
Section: Introductionmentioning
confidence: 99%
“…A maioria destes aplicou técnicas cromatográficas, dentre elas CLAE, 16 Na presente aplicação, a associação entre sulfametoxazol (SMX) e trimetoprima (TMP) foi selecionada para a validação de limpeza de um equipamento de produção. O SMX, 17 N1-(5-metil-3-isoxazolil)sulfanilamida, é uma sulfonamida solúvel em acetona e metanol, e é usado primariamente no tratamento de infecções do trato urinário.…”
Section: Introductionunclassified
“…A maioria destes aplicou técnicas cromatográficas, dentre elas CLAE, [8][9][10][11][12][13] cromatografia líquida de ultra eficiência (CLUE), 14 cromatografia líquida acoplada à espectrometria de massas 15 e cromatografia eletrocinética micelar (MEKC), 16 para determinar resíduos de princípios ativos farmacêuticos, tais como anlodipina, 8 azatioprina, 9 lacidipina, 10 derivados cortisônicos, 11 lamivudina e zidovudina, 12 pirimetamina e sulfadoxina, 13 compostos esteroidais, 14 cefmetazol e cefpodoxima proxetil, 15 e cotrimetoxazol. 16 Na presente aplicação, a associação entre sulfametoxazol (SMX) e trimetoprima (TMP) foi selecionada para a validação de limpeza de um equipamento de produção. O SMX, 17 N1-(5-metil-3-isoxazolil)sulfanilamida, é uma sulfonamida solúvel em acetona e metanol, e é usado primariamente no tratamento de infecções do trato urinário.…”
Section: Introductionunclassified