Ortega GG - Search Results

1

A bioanalytical HPLC method for coumestrol quantification in skin permeation tests followed by UPLC-QTOF/HDMS stability-indicating method for identification of degradation products.

Bianchi SE, Teixeira HF, Kaiser S, Ortega GG, Schneider PH, Bassani VL. Bianchi SE, et al. Among authors: ortega gg. J Chromatogr B Analyt Technol Biomed Life Sci. 2016 May 1;1020:43-52. doi: 10.1016/j.jchromb.2016.03.012. Epub 2016 Mar 15. J Chromatogr B Analyt Technol Biomed Life Sci. 2016. PMID: 27010353

2

Development, optimisation and validation of a stability-indicating HPLC method of achyrobichalcone quantification using experimental designs.

Carini JP, Kaiser S, Ortega GG, Bassani VL. Carini JP, et al. Among authors: ortega gg. Phytochem Anal. 2013 May-Jun;24(3):193-200. doi: 10.1002/pca.2399. Epub 2012 Sep 15. Phytochem Anal. 2013. PMID: 22987718

3

Optimization, validation and application of headspace solid-phase microextraction gas chromatography for the determination of 1-nitro-2-phenylethane and methyleugenol from Aniba canelilla (H.B.K.) Mez essential oil in skin permeation samples.

Kreutz T, Lucca LG, Loureiro-Paes OAR, Teixeira HF, Veiga VF Jr, Limberger RP, Ortega GG, Koester LS. Kreutz T, et al. Among authors: ortega gg. J Chromatogr A. 2018 Aug 24;1564:163-175. doi: 10.1016/j.chroma.2018.05.073. Epub 2018 Jun 2. J Chromatogr A. 2018. PMID: 29910087

4

LC-UV assay method and UPLC/Q-TOF-MS characterisation of saponins from Ilex paraguariensis A. St. Hil. (mate) unripe fruits.

Peixoto MP, Kaiser S, Verza SG, de Resende PE, Treter J, Pavei C, Borré GL, Ortega GG. Peixoto MP, et al. Among authors: ortega gg. Phytochem Anal. 2012 Jul-Aug;23(4):415-20. doi: 10.1002/pca.1374. Epub 2011 Nov 21. Phytochem Anal. 2012. PMID: 22105927

5

HPLC-PDA method for quinovic acid glycosides assay in Cat's claw (Uncaria tomentosa) associated with UPLC/Q-TOF-MS analysis.

Pavei C, Kaiser S, Verza SG, Borre GL, Ortega GG. Pavei C, et al. Among authors: ortega gg. J Pharm Biomed Anal. 2012 Mar 25;62:250-7. doi: 10.1016/j.jpba.2011.12.031. Epub 2012 Jan 11. J Pharm Biomed Anal. 2012. PMID: 22296654

6

Box-Behnken Design for Extraction Optimization Followed by High Performance Countercurrent Chromatography: Production of a Flavonoid-enriched Fraction from Achyrocline Satureioides.

Pittol V, Ortega GG, Doneda E, Bianchi SE, Santos MC, Koetz M, Henriques AT, Bassani VL. Pittol V, et al. Among authors: ortega gg. Planta Med. 2020 Jan;86(2):151-159. doi: 10.1055/a-1063-6437. Epub 2019 Nov 27. Planta Med. 2020. PMID: 31777054

7

Mathematical evaluation of in vitro release profiles of hydroxypropylmethylcellulose matrix tablets containing carbamazepine associated to beta-cyclodextrin.

Koester LS, Ortega GG, Mayorga P, Bassani VL. Koester LS, et al. Among authors: ortega gg. Eur J Pharm Biopharm. 2004 Jul;58(1):177-9. doi: 10.1016/j.ejpb.2004.03.017. Eur J Pharm Biopharm. 2004. PMID: 15207552

8

Immunoadjuvant activity, toxicity assays, and determination by UPLC/Q-TOF-MS of triterpenic saponins from Chenopodium quinoa seeds.

Verza SG, Silveira F, Cibulski S, Kaiser S, Ferreira F, Gosmann G, Roehe PM, Ortega GG. Verza SG, et al. Among authors: ortega gg. J Agric Food Chem. 2012 Mar 28;60(12):3113-8. doi: 10.1021/jf205010c. Epub 2012 Mar 20. J Agric Food Chem. 2012. PMID: 22394456

9

Micellar aggregates of saponins from Chenopodium quinoa: characterization by dynamic light scattering and transmission electron microscopy.

Verza SG, de Resende PE, Kaiser S, Quirici L, Teixeira HF, Gosmann G, Ferreira F, Ortega GG. Verza SG, et al. Among authors: ortega gg. Pharmazie. 2012 Apr;67(4):288-92. Pharmazie. 2012. PMID: 22570933

10

Genotoxicity and cytotoxicity of oxindole alkaloids from Uncaria tomentosa (cat's claw): Chemotype relevance.

Kaiser S, Carvalho ÂR, Pittol V, Dietrich F, Manica F, Machado MM, de Oliveira LF, Oliveira Battastini AM, Ortega GG. Kaiser S, et al. Among authors: ortega gg. J Ethnopharmacol. 2016 Aug 2;189:90-8. doi: 10.1016/j.jep.2016.05.026. Epub 2016 May 13. J Ethnopharmacol. 2016. PMID: 27180878

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