Zobrazeno 1 - 5
of 5
pro vyhledávání: '"Heloísa Mazotti Lopes Gonçalves"'
Autor:
Heloísa Mazotti Lopes Gonçalves, Marcelo Donadel Malesuik, André Jablonski, Martin Steppe, Elfrides Eva Scherman Schapoval, Clésio S. Paim
Publikováno v:
Journal of Liquid Chromatography & Related Technologies. 33:375-389
A new, simple, and effective stability-indicating CZE method was developed and validated for the determination of nitazoxanide in pharmaceutical formulations, using nimesulide as an internal standard. The optimum separation was carried out on a fused
Autor:
Martin Steppe, Marcelo Donadel Malesuik, Elfrides Eva Sherman Schapoval, Clésio S. Paim, Heloísa Mazotti Lopes Gonçalves
Publikováno v:
Journal of Chromatographic Science. 47:745-748
Nitazoxanide is a new broad-spectrum, antiparasitic drug agent. The photodegradation of nitazoxanide was studied in order to investigate the degradation kinetics of this drug. The analyses of the degraded samples were performed by a stability-indicat
Autor:
Heloísa Mazotti Lopes Gonçalves, Diogo Miron, Clésio Soldateli Paim, Martin Steppe, Alini Dall Cortivo Lange
Publikováno v:
Analytical Letters. 41:571-581
Validation of UV spectrophotometric method for quantitative determination of entacapone in tablets using acetonitrile as solvent. The validation of analytic method was realized through the study of the following analytic parameters: specify linearity
Publikováno v:
Chromatographia. 65:595-599
A rapid and sensitive RP-HPLC method with UV detection at 305 nm for routine quality control of entacapone in tablets was developed. The procedure was validated by specificity, robustness, linearity, accuracy, repeatability and intermediate precision
Autor:
Elfrides Eva Scherman Schapoval, Cássia Virginia Garcia, Martin Steppe, Nance Beyer Nardi, Heloísa Mazotti Lopes Gonçalves, Marcelo Donadel Malesuik, Márcia Rodrigues Trein
Publikováno v:
Talanta. 93
Stress studies of the broad-spectrum antiparasitic nitazoxanide were conducted in order to isolate and elucidate the major degradation product involved in thermal, acid, alkaline, oxidative and photolytic decomposition of the drug in solution and sol