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Elfrides Schapoval

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Clesio S Paim; David Ramos Lopez; Elfrides E S Schapoval; Martin Steppe; Joaquin de Lapuente Perez; Montserrat Mitjans; Daniele R Nogueira; María Pilar Vinardell
Biological safety studies of gemifloxacin mesylate and related substances.
R L Pereira; Renata P Raffin; A B Barth; Sílvia S Guterres; Clesio S Paim; Elfrides E S Schapoval
Levodopa microparticles for pulmonary delivery: photodegradation kinetics and LC stability-indicating method.
L L Sfair; Martin Steppe; J S Graeff; Clesio S Paim; C S Passos; Elfrides E S Schapoval
Photodegradation kinetics, cytotoxicity assay and determination by stability-indicating HPLC method of mianserin hydrochloride.

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All Publications

2013: Clesio S Paim; David Ramos Lopez; Elfrides E S Schapoval; Martin Steppe; Joaquin de Lapuente Perez; Montserrat Mitjans; Daniele R Nogueira; María Pilar Vinardell
Biological safety studies of gemifloxacin mesylate and related substances.
Photochemical & photobiological sciences : Official journal of the European Photochemistry Association and the European Society for Photobiology 2013;12(5):805-12.
2012: R L Pereira; Renata P Raffin; A B Barth; Sílvia S Guterres; Clesio S Paim; Elfrides E S Schapoval
Levodopa microparticles for pulmonary delivery: photodegradation kinetics and LC stability-indicating method.
Die Pharmazie 2012;67(7):605-10.
2012: L L Sfair; Martin Steppe; J S Graeff; Clesio S Paim; C S Passos; Elfrides E S Schapoval
Photodegradation kinetics, cytotoxicity assay and determination by stability-indicating HPLC method of mianserin hydrochloride.
Die Pharmazie 2012;67(6):490-4.
2012: Marcelo Donadel Malesuik; Nance Beyer Nardi; Elfrides E S Schapoval; Cássia Virginia Garcia; Heloísa Mazotti Lopes Gonçalves; Márcia Rodrigues Trein; Martin Steppe
Identification, characterization and cytotoxicity in vitro assay of nitazoxanide major degradation product.
Talanta 2012;93():206-11.
2012: Amanda Thomas Barden; Bárbara Salamon; Elfrides E S Schapoval; Martin Steppe
Stability-indicating RP-LC method for the determination of vildagliptin and mass spectrometry detection for a main degradation product.
Journal of chromatographic science 2012;50(5):426-32.
2012: Letícia Lenz Sfair; Martin Steppe; Caren Gobetti; Alini Dall Cortivo Lange; Maximiliano da Silva Sangoi; Elfrides E S Schapoval
Micellar electrokinetic chromatographic method for mianserin hydrochloride and analysis of degradation products by mass spectrometry.
Chemical & pharmaceutical bulletin 2012;60(11):1387-94.
2011: Clésio S Paim; Fernanda Führ; Aline B Barth; Carlos E I Gonçalves; Nance Nardi; Martin Steppe; Elfrides E S Schapoval
Gemifloxacin mesylate (GFM) stability evaluation applying a validated bioassay method and in vitro cytotoxic study.
Talanta 2011;83(5):1774-9.
2010: V Weisheimer; D Miron; C B Silva; Sílvia S Guterres; Elfrides E S Schapoval
Microparticles containing lemongrass volatile oil: preparation, characterization and thermal stability.
Die Pharmazie 2010;65(12):885-90.
2010: Patrícia Gomes; Nathalie Wingert; Clésio S Paim; Elfrides E S Schapoval; Martin Steppe
Stress degradation studies and kinetic determinations of duloxetine enteric-coated pellets by HPLC.
Journal of AOAC International 2010;93(6):1829-35.
2010: L C Vaucher; Clesio S Paim; A D Lange; Elfrides E S Schapoval
Degradation kinetics of telithromycin determined by HPLC method.
Journal of chromatographic science 2010;48(10):835-9.
2010: M H Holzschuh; Grace Gosmann; P H Schneider; Elfrides E S Schapoval; Valquiria L Bassani
Identification and stability of a new bichalcone in Achyrocline satureioides spray dried powder.
Die Pharmazie 2010;65(9):650-6.
2010: Miriam A Apel; Marcos E L Lima; Marcos Sobral; Maria Cláudia M Young; Inês Cordeiro; Elfrides E S Schapoval; Amélia T Henriques; Paulo Roberto H Moreno
Anti-inflammatory activity of essential oil from leaves of Myrciaria tenella and Calycorectes sellowianus.
Pharmaceutical biology 2010;48(4):433-8.
2009: M D Malesuik; H M L Gonçalves; Clesio S Paim; Elfrides E S Schapoval; Martin Steppe
LC: analysis of photodegradation kinetics of nitazoxanide in pharmaceutical formulations.
Journal of chromatographic science 2009;47(9):745-8.
2009: Lauren C Vaucher; Clésio S Paim; Alini D Lange; Elfrides E S Schapoval
LC method for telithromycin in tablets: a stability-indicating assay.
International journal of pharmaceutics 2009;366(1-2):82-7.
2008: Renata P Raffin; Leticia Marques Colomé; Elfrides E S Schapoval; Adriana Pohlmann; Sílvia S Guterres
Increasing sodium pantoprazole photostability by microencapsulation: effect of the polymer and the preparation technique.
European journal of pharmaceutics and biopharmaceutics : official journal of Arbeitsgemeinschaft für Pharmazeutische Verfahrenstechnik e.V 2008;69(3):1014-8.
2008: Andreas Mendez; Pedro Chagastelles; Eduardo Palma; Nance Nardi; Elfrides E S Schapoval
Thermal and alkaline stability of meropenem: degradation products and cytotoxicity.
International journal of pharmaceutics 2008;350(1-2):95-102.
2008: Cristiane de Bona da Silva; Sílvia S Guterres; Vanessa Weisheimer; Elfrides E S Schapoval
Antifungal activity of the lemongrass oil and citral against Candida spp.
The Brazilian journal of infectious diseases : an official publication of the Brazilian Society of Infectious Diseases 2008;12(1):63-6.
2008: Ana R Breier; Norma Sbarbati Nudelman; Martin Steppe; Elfrides E S Schapoval
Isolation and structure elucidation of photodegradation products of fexofenadine.
Journal of pharmaceutical and biomedical analysis 2008;46(2):250-7.
2008: Cássia V Garcia; Norma S Nudelman; Martin Steppe; Elfrides E S Schapoval
Structural elucidation of rabeprazole sodium photodegradation products.
Journal of pharmaceutical and biomedical analysis 2008;46(1):88-93.
2008: Juliana Sippel; Letícia L Sfair; Elfrides E S Schapoval; Martin Steppe
New high-performance liquid chromatographic method for determination of clopidogrel in coated tablets.
Journal of AOAC International 2008;91(1):67-72.
2008: Julia Menegola; Martin Steppe; Elfrides E S Schapoval
Development and validation of column high-performance liquid chromatographic and ultraviolet spectrophotometric methods for citalopram in tablets.
Journal of AOAC International 2008;91(1):52-8.
2007: M H Holzschuh; D M Silva; Elfrides E S Schapoval; Valquiria L Bassani
Thermal and photo stability of phenolic constituents of an Achyrocline satureioides spray-dried powder.
Die Pharmazie 2007;62(12):902-6.
2007: Daniela Dal Molim Ghisleni; Martin Steppe; Elfrides E S Schapoval
Development and validation of liquid chromatographic and ultraviolet derivative spectrophotometric methods for determination of epinastine hydrochloride in coated tablets.
Journal of AOAC International 2007;90(5):1266-71.
2007: Julia Menegola; Martin Steppe; Elfrides E S Schapoval
Dissolution test for citalopram in tablets and comparison of in vitro dissolution profiles.
European journal of pharmaceutics and biopharmaceutics : official journal of Arbeitsgemeinschaft für Pharmazeutische Verfahrenstechnik e.V 2007;67(2):524-30.
2007: K C B De Souza; Valquiria L Bassani; Elfrides E S Schapoval
Influence of excipients and technological process on anti-inflammatory activity of quercetin and Achyrocline satureioides (Lam.) D.C. extracts by oral route.
Phytomedicine : international journal of phytotherapy and phytopharmacology 2007;14(2-3):102-8.
2006: Letícia Cruz; Scheila R Schaffazick; Teresa Dalla Costa; Leonardo U Soares; Graziela Mezzalira; Nádya Pesce Da Silveira; Elfrides E S Schapoval; Adriana Pohlmann; Sílvia S Guterres
Physico-chemical characterization and in vivo evaluation of indomethacin ethyl ester-loaded nanocapsules by PCS, TEM, SAXS, interfacial alkaline hydrolysis and antiedematogenic activity.
Journal of nanoscience and nanotechnology 2006;6(9-10):3154-62.
2006: Lauren C Vaucher; Ana R Breier; Elfrides E S Schapoval
Microbiological assay for the determination of telithromycin in tablets.
Journal of AOAC International 2006;89(5):1398-402.
2006: Andreas S L Mendez; Jean Dalomo; Martin Steppe; Elfrides E S Schapoval
Stability and degradation kinetics of meropenem in powder for injection and reconstituted sample.
Journal of pharmaceutical and biomedical analysis 2006;41(4):1363-6.
2006: Cássia V Garcia; Clesio S Paim; Martin Steppe; Elfrides E S Schapoval
Development and validation of a dissolution test for rabeprazole sodium in coated tablets.
Journal of pharmaceutical and biomedical analysis 2006;41(3):833-7.
2005: Fanny L B Guerra; Clesio S Paim; Martin Steppe; Elfrides E S Schapoval
Biological assay and liquid chromatographic method for analysis of moxifloxacin in tablets.
Journal of AOAC International 2005;88(4):1086-92.
2005: Cássia V Garcia; Juliana Sippel; Leticia L Sfair; Silvia S Garcia; André Jablonski; Martin Steppe; Elfrides E S Schapoval
Validation of a capillary electrophoresis method for analysis of rabeprazole sodium in a pharmaceutical dosage form.
Journal of AOAC International 2005;88(4):1081-5.
2005: Ana R Breier; Sílvia S Garcia; André Jablonski; Martin Steppe; Elfrides E S Schapoval
Capillary electrophoresis method for fexofenadine hydrochloride in capsules.
Journal of AOAC International 2005;88(4):1059-63.
2005: Rodrigo Dall'agnol; Alexandre Ferraz; Andressa Bernardi; Daniela V Albring; Carolina Nör; Elfrides E S Schapoval; Gilsane von Poser
Bioassay-guided isolation of antimicrobial benzopyrans and phloroglucinol derivatives from Hypericum species.
Phytotherapy research : PTR 2005;19(4):291-3.
2005: Andreas S L Mendez; Vanessa Weisheimer; Tércio P Oppe; Martin Steppe; Elfrides E S Schapoval
Microbiological assay for the determination of meropenem in pharmaceutical dosage form.
Journal of pharmaceutical and biomedical analysis 2005;37(4):649-53.
2005: Inara Staub; Elfrides E S Schapoval; Ana M Bergold
Microbiological assay of ketoconazole in shampoo.
International journal of pharmaceutics 2005;292(1-2):195-9.
2005: Cristiane da S Rauber; Sílvia S Guterres; Elfrides E S Schapoval
LC determination of citral in Cymbopogon citratus volatile oil.
Journal of pharmaceutical and biomedical analysis 2005;37(3):597-601.
2005: R Fenner; Maximiliano Sortino; S M K Rates; Rodrigo Dall'agnol; Alexandre Ferraz; Andressa Bernardi; Daniela V Albring; Carolina Nör; Gilsane von Poser; Elfrides E S Schapoval; Susana Zacchino
Antifungal activity of some Brazilian Hypericum species.
Phytomedicine : international journal of phytotherapy and phytopharmacology 2005;12(3):236-40.
2005: Ana R Breier; Clesio S Paim; Martin Steppe; Elfrides E S Schapoval
Development and validation of dissolution tests for fexofenadine hydrochloride capsules and coated tablets.
Journal of pharmacy & pharmaceutical sciences : a publication of the Canadian Society for Pharmaceutical Sciences, Société canadienne des sciences pharmaceutiques 2005;8(2):289-98.
2004: Ana R Breier; Clesio S Paim; Julia Menegola; Martin Steppe; Elfrides E S Schapoval
Development and validation of a liquid chromatographic method for fexofenadine hydrochloride in capsules.
Journal of AOAC International 2004;87(5):1093-7.
2004: Manuela Polydoro; K C B De Souza; Michael Andrades; Evandro Gomes da Silva; Fernanda Bonatto; J Heydrich; Felipe Dal-Pizzol; Elfrides E S Schapoval; Valquiria L Bassani; José Cláudio Fonseca Moreira
Antioxidant, a pro-oxidant and cytotoxic effects of Achyrocline satureioides extracts.
Life sciences 2004;74(23):2815-26.
2004: G Coelho de Souza; A P S Haas; Gilsane von Poser; Elfrides E S Schapoval; E Elisabetsky
Ethnopharmacological studies of antimicrobial remedies in the south of Brazil.
Journal of ethnopharmacology 2004;90(1):135-43.
2003: Andreas S L Mendez; Martin Steppe; Elfrides E S Schapoval
Validation of HPLC and UV spectrophotometric methods for the determination of meropenem in pharmaceutical dosage form.
Journal of pharmaceutical and biomedical analysis 2003;33(5):947-54.
2003: Cássia V Garcia; Ana R Breier; Martin Steppe; Elfrides E S Schapoval; Tércio P Oppe
Determination of dexamethasone acetate in cream by HPLC.
Journal of pharmaceutical and biomedical analysis 2003;31(3):597-600.
2003: Rodrigo Dall'agnol; Alexandre Ferraz; Andressa Bernardi; Daniela V Albring; Carolina Nör; L Sarmento; L Lamb; M Hass; Gilsane von Poser; Elfrides E S Schapoval
Antimicrobial activity of some Hypericum species.
Phytomedicine : international journal of phytotherapy and phytopharmacology 2003;10(6-7):511-6.
2002: E S Suyenaga; E Reche; Fabiane Maria Farias; Elfrides E S Schapoval; C G M Chaves; Amélia T Henriques
Antiinflammatory investigation of some species of Mikania.
Phytotherapy research : PTR 2002;16(6):519-23.
2002: Ana R Breier; Cássia V Garcia; Tércio P Oppe; Martin Steppe; Elfrides E S Schapoval
Microbiological assay for azithromycin in pharmaceutical formulations.
Journal of pharmaceutical and biomedical analysis 2002;29(5):957-61.
2002: Nelson Silva; Elfrides E S Schapoval
Spectrophotometric determination of etidocaine in pharmaceutical (dental) formulation.
Journal of pharmaceutical and biomedical analysis 2002;29(4):749-54.
2002: K C B De Souza; Elfrides E S Schapoval; Valquiria L Bassani
LC determination of flavonoids: separation of quercetin, luteolin and 3-O-methylquercetin in Achyrocline satureioides preparations.
Journal of pharmaceutical and biomedical analysis 2002;28(3-4):771-7.
2002: Lisiane da Silveira Ev; Elfrides E S Schapoval
Microbiological assay for determination of ofloxacin injection.
Journal of pharmaceutical and biomedical analysis 2002;27(1-2):91-6.
2001: HR Marona; Elfrides E S Schapoval
Spectrophotometric determination of sparfloxacin in pharmaceutical formulations using bromothymol blue.
Journal of pharmaceutical and biomedical analysis 2001;26(3):501-4.
2001: HR Marona; Elfrides E S Schapoval
Development and validation of a nonaqueous titration with perchloric acid to determine sparfloxacin in tablets.
European journal of pharmaceutics and biopharmaceutics : official journal of Arbeitsgemeinschaft für Pharmazeutische Verfahrenstechnik e.V 2001;52(2):227-9.
2000: A S Moreira; V Spitzer; Elfrides E S Schapoval; Eloir P Schenkel
Antiinflammatory activity of extracts and fractions from the leaves of Gochnatia polymorpha.
Phytotherapy research : PTR 2000;14(8):638-40.
2000: A M Sobottka; W Werner; G Blaschke; Werner Kiefer; Ulrike Nowe; Gerd Dannhardt; Elfrides E S Schapoval; Eloir P Schenkel; G K Scriba
Effect of flavonol derivatives on the carrageenin-induced paw edema in the rat and inhibition of cyclooxygenase-1 and 5-lipoxygenase in vitro.
Archiv der Pharmazie 2000;333(7):205-10.
1999: HR Marona; José Angelo Silveira Zuanazzi; Elfrides E S Schapoval
Determination of sparfloxacin and its degradation products by HPLC-PDA.
The Journal of antimicrobial chemotherapy 1999;44(2):301-2.
1999: HR Marona; Elfrides E S Schapoval
A high-performance liquid chromatographic assay for sparfloxacin.
Journal of pharmaceutical and biomedical analysis 1999;20(3):413-7.
1999: HR Marona; Elfrides E S Schapoval
Spectrophotometric determination of sparfloxacin in tablets.
The Journal of antimicrobial chemotherapy 1999;44(1):136-7.
1998: Elfrides E S Schapoval; M R Vargas; C G Chaves; Raquel Bridi; José Angelo Silveira Zuanazzi; Amélia T Henriques
Antiinflammatory and antinociceptive activities of extracts and isolated compounds from Stachytarpheta cayennensis.
Journal of ethnopharmacology 1998;60(1):53-9.
1996: A T Henriques; A A Melo; Paulo Roberto Moreno; L L Ene; João Antonio Pêgas Henriques; Elfrides E S Schapoval
Ervatamia coronaria: chemical constituents and some pharmacological activities.
Journal of ethnopharmacology 1996;50(1):19-25.
1994: Elfrides E S Schapoval; S M Silveira; M L Miranda; C B Alice; A T Henriques
Evaluation of some pharmacological activities of Eugenia uniflora L.
Journal of ethnopharmacology 1994;44(3):137-42.
1992: J D Grazziotin; Elfrides E S Schapoval; C G Chaves; J Gleye; A T Henriques
Phytochemical and analgesic investigation of Tabebuia chrysotricha.
Journal of ethnopharmacology 1992;36(3):249-51.
1991: C B Alice; V M Vargas; G A Silva; N C de Siqueira; Elfrides E S Schapoval; J Gleye; João Antonio Pêgas Henriques; A T Henriques
Screening of plants used in south Brazilian folk medicine.
Journal of ethnopharmacology 1991;35(2):165-71.
1988: C G Chaves; Elfrides E S Schapoval; José Angelo Silveira Zuanazzi; E Diehl; N C De Siqueira; A T Henriques
Erythroxylum argentinum: assays for anti-inflammatory activity.
Journal of ethnopharmacology 1988;22(1):117-20.