Search Results - "Bonato, Pierina S."

A highly sensitive LC–MS–MS assay for analysis of midazolam and its major metabolite in human plasma: Applications to drug metabolism by Jabor, Valquiria A.P., Coelho, Eduardo B., dos Santos, Neife A.G., Bonato, Pierina S., Lanchote, Vera L.

“…The present report describes a rapid, selective and a highly sensitive assay for midazolam (MDZ) and its major metabolite 1-hydroxymidazolam (1-OH-MDZ) in…”
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Albendazole Sulfoxide Plasma Levels and Efficacy of Antiparasitic Treatment in Patients With Parenchymal Neurocysticercosis by Arroyo, Gianfranco, Bustos, Javier A, Lescano, Andres G, Gonzales, Isidro, Saavedra, Herbert, Rodriguez, Silvia, Pretell, E Javier, Bonato, Pierina S, Lanchote, Vera L, Takayanagui, Osvaldo M, Horton, John, Gonzalez, Armando E, Gilman, Robert H, Garcia, Hector H

“…Abstract Background The efficacy of albendazole therapy in patients with parenchymal neurocysticercosis (NCC) is suboptimal. Plasma levels of albendazole…”
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Pharmacokinetics of combined treatment with praziquantel and albendazole in neurocysticercosis by Garcia, Hector H., Lescano, Andres G., Lanchote, Vera L., Pretell, E. Javier, Gonzales, Isidro, Bustos, Javier A., Takayanagui, Osvaldo M., Bonato, Pierina S., Horton, John, Saavedra, Herbert, Gonzalez, Armando E., Gilman, Robert H.

“…WHAT IS ALREADY KNOWN ABOUT THIS SUBJECT • The antiparasitic drugs albendazole and prazoquantel have been used together before for geohelminths, echinococcosis…”
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Enantioselective analysis of ibuprofen in human plasma by anionic cyclodextrin-modified electrokinetic chromatography by Jabor, Valquíria A. P., Lanchote, Vera L., Bonato, Pierina S.

“…This paper reports the development of a rapid method for the enantioselective analysis of the nonsteroidal anti‐inflammatory drug ibuprofen in human plasma by…”
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Medical management of neurocysticercosis by Takayanagui, Osvaldo Massaiti, Odashima, Newton Satoru, Bonato, Pierina S, Lima, Jose Eduardo, Lanchote, Vera Lucia

“…Neurocysticercosis (NCC) is considered to be the most common cause of acquired epilepsy worldwide. Formerly restricted to palliative measures, therapy for NCC…”
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Fluoxetine induces preventive and complex effects against colon cancer development in epithelial and stromal areas in rats by Kannen, Vinicius, Marini, Tassiana, Turatti, Aline, Carvalho, Milene C., Brandão, Marcus L., Jabor, Valquiria A.P., Bonato, Pierina S., Ferreira, Frederico R., Zanette, Dalila L., Silva, Wilson A., Garcia, Sérgio B.

“…► We investigated fluoxetine against early colon cancer development. ► Fluoxetine treatment increased colonic serotonin levels. ► Fluoxetine and serotonin were…”
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Capillary electrophoresis and hollow fiber liquid-phase microextraction for the enantioselective determination of albendazole sulfoxide after biotransformation of albendazole by an endophytic fungus by Carrão, Daniel B., Borges, Keyller B., Barth, Thiago, Pupo, Mônica T., Bonato, Pierina S., de Oliveira, Anderson R. Moraes

“…Hollow fiber liquid‐phase microextraction and CE were applied for the determination of albendazole sulfoxide (ASOX) enantiomers in liquid culture medium after…”
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Determination of β-artemether and its main metabolite dihydroartemisinin in plasma employing liquid-phase microextraction prior to liquid chromatographic–tandem mass spectrometric analysis by Magalhães, Igor R.S., Jabor, Valquíria A.P., Faria, Anizio M., Collins, Carol H., Jardim, Isabel C.S.F., Bonato, Pierina S.

“…A method for the determination of artemether (ART) and its main metabolite dihydroartemisinin (DHA) in plasma employing liquid-phase microextraction (LPME) for…”
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Enantioselective analysis of primaquine and its metabolite carboxyprimaquine by capillary electrophoresis by Bortocan, Renato, Bonato, Pierina S.

“…An enantioselective capillary electrophoresis method for the simultaneous determination of primaquine (PQ) and carboxyprimaquine (CPQ) in rat liver…”
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Liquid chromatographic separation of aqueous species of Cr(VI) and Cr(III) by Collins, Carol H, Pezzin, Sérgio H, Rivera, José Francisco Lugo, Bonato, Pierina S, Windmöller, Cláudia C, Archundia, Cielita, Collins, Kenneth E

“…Although chromium can be present in aqueous solutions as Cr(VI) or as any of various kinetically stable forms of Cr(III), whose distribution depends on the…”
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Stereoselective liquid chromatographic determination of 1′‐oxobufuralol and 1′‐hydroxybufuralol in rat liver microsomal fraction using hollow‐fiber liquid‐phase microextraction for sample preparation by Barth, Thiago, Simões, Rodrigo A, Pupo, Mônica T, Okano, Laura T, Bonato, Pierina S

“…A three‐phase hollow‐fiber liquid‐phase microextraction (HF‐LPME) method for the stereoselective determination of bufuralol metabolites 1′‐oxobufuralol…”
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Propolis extract release evaluation from topical formulations by chemiluminescence and HPLC by Marquele, Franciane D., Oliveira, Anderson R.M., Bonato, Pierina S., Lara, Marilisa G., Fonseca, Maria José V.

“…Propolis is a resinous bee hive product that has many biological activities. Among these activities, the antioxidant activity deserves special interest since…”
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Enantioselective analysis of omeprazole in pharmaceutical formulations by chiral high-performance liquid chromatography and capillary electrophoresis by Bonato, Pierina S., Paias, Fernanda O.

“…We developed two sensitive and simple assay procedures based on high- performance liquid chromatography and capillary electrophoresis (CE) for the…”
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Biomimetic oxidation of praziquantel catalysed by metalloporphyrins by Melo, Andrea J.B., Iamamoto, Yassuko, Maestrin, Ana Paula J., Smith, John R. Lindsay, Santos, Michel D., Lopes, Norberto P., Bonato, Pierina S.

“…This paper reports an HPLC–MS/MS investigation of praziquantel (anthelmintic agent) oxidation by iodosylbenzene in an organic medium, using iron(III)…”
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Enantiomeric Resolution of Drugs and Metabolites in Polysaccharide- and Protein-Based Chiral Stationary Phases by Bonato, Pierina S., Bortocan, Renato, Gaitani, Cristiane M., Paias, Fernanda O., Iha, Maria H., Lima, Rodrigo P.

“…Several chiral stationary phases based on polysaccharide derivatives and proteins were evaluated for the resolution of some chiral drugs and their metabolites…”
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LC-MS-MS identification of drug metabolites obtained by metalloporphyrin mediated oxidation by Maurin, Andrea J. M., Iamamoto, Yassuko, Lopes, Norberto P., Lindsay-Smith, John R., Bonato, Pierina S.

“…In this paper we report the application of liquid chromatography-mass spectrometry (LC-MS-MS) to the identification of the products formed by oxidation of…”
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Stereoselective liquid chromatographic determination of 1'-oxobufuralol and 1'-hydroxybufuralol in rat liver microsomal fraction using hollow-fiber liquid-phase microextraction for sample preparation: Metabolomics by BARTH, Thiago, SIMOES, Rodrigo A, PUPO, Mônica T, OKANO, Laura T, BONATO, Pierina S

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Determination of ametryn in river water, river sediment and bivalve mussels by liquid chromatography-tandem mass spectrometry by Jacomini, Analu E., Camargo, Plinio B. de, Avelar, Wagner E. P., Bonato, Pierina S.

“…Analytical methods employing liquid chromatography-mass spectrometry (LC-MS-MS) for ametryn determination in river water, river sediment and in freshwater…”
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A simple method for the quantitative analysis of tyrosol by hplc in liquid Czapek Cultures from endophytic fungi by Guimarães, Denise O., Borges, Keyller B., Bonato, Pierina S., Pupo, Mônica T.

“…Tyrosol is a possible quorum sensing molecule in endophytic fungi. High-performance liquid chromatography (HPLC) coupled with diode array detector (DAD) was…”
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Fast HPLC analysis of omeprazole, 5-hydroxyomeprazole and omeprazole sulfone in liquid culture medium using a monolithic column for application in biotransformation studies with fungi by Borges, Keyller B., Durán-Patrón, Rosa, Sánchez, Antonio José M., Pupo, Mônica T., Bonato, Pierina S., Collado, Isidro G.

“…A fast liquid chromatography method was developed and validated for the simultaneous determination of omeprazole (OMZ), 5-hydroxyomeprazole (5-HOMZ) and…”
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