Antioxidant activity and phenolic composition of brazilian honeys and their extracts
摘要:
The antioxidant activities and total polyphenolic content of five multifloral and four orange blosso...
doi:
10.1590/S0103-50532012000400006
作 者:
Instituto Federal Su...
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Journal of the Brazilian Chemical Society
Synthesis, electrochemical, spectrophotometric and potentiometric studies of two azo-compounds derived from 4-amino-2-methylquinoline in ethanolic-aqueous buffered solutions
摘要:
Two azo-compounds, 2-methyl-4-(5-amino-2-hydroxy-phenylazo)-quinoline (2) and 2-methyl-4-(2-hydroxy-...
doi:
10.1590/S0103-50532012005000013
作 者:
El-Attar, Mona A.;Ki...
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Journal of the Brazilian Chemical Society
Meroterpenes from Peperomia oreophila Hensch. and Peperomia arifolia Miq.
摘要:
One new meroterpene, 4-[(2'E)-3',7'-dimethylocta-2',6'-dien-1'-yl]-5-methyl-2-(3"鈥憁ethylbut-2"-enyl)...
doi:
10.1590/S0103-50532012000400025
作 者:
Salazar, Karina J. M...
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期刊标题:
Journal of the Brazilian Chemical Society
Polymorphism evaluation in generic tablets containing mebendazole by dissolution tests
摘要:
This study evaluates the incidence of the polymorphic forms of mebendazole (MBZ) in tablets within t...
doi:
10.1590/S0103-50532012000200005
作 者:
Federal University o...
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期刊标题:
Journal of the Brazilian Chemical Society
RP TLC-based lipophilicity assessment of some natural and synthetic coumarins
摘要:
The lipophilic character of twelve coumarins was investigated by reversed-phase thin-layer chromatog...
doi:
10.1590/S0103-50532012000300020
作 者:
Tešic, ivoslav Lj.;...
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期刊标题:
Journal of the Brazilian Chemical Society
Morphology, microstructure and electrocatalytic properties of activated copper surfaces
摘要:
Morphologic changes on copper surfaces upon applying an established potential protocol were examined...
doi:
10.1590/S0103-50532012000100017
作 者:
Petri, Denise F. S.;...
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期刊标题:
Journal of the Brazilian Chemical Society
Lipase-catalyzed kinetic resolution of (±)-mandelonitrile under conventional condition and microwave irradiation
摘要:
The kinetic resolution of (脗卤)-mandelonitrile was carried out using lipase from Candida antarctica u...
doi:
10.1590/S0103-50532012000700025
作 者:
Ribeiro, Sandra S.;O...
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Journal of the Brazilian Chemical Society
Isolation and amino acid sequencing by MALDI-TOF-MS/MS of a novel antimicrobial anionic peptide from the skin secretion of Osteocephalus taurinus (Anura, Hylidae)
摘要:
B> By means of chromatographic techniques, a novel anionic peptide, named otacidin, was isolated fro...
doi:
10.1590/S0103-50532012001200002
作 者:
Melo, Jorge T.;Koole...
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期刊标题:
Journal of the Brazilian Chemical Society
A catalytic kinetic spectrophotometric determination of organophosphorus pesticides in vegetable samples
摘要:
A simple selective and sensitive catalytic kinetic spectrophotometric method for the determination o...
doi:
10.1590/S0103-50532012000200019
作 者:
Autonomous College, ...
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期刊标题:
Journal of the Brazilian Chemical Society
1H HRMAS NMR spectroscopy and chemometrics for evaluation of metabolic changes in citrus sinensis Caused by Xanthomonas axonopodis pv. citri
摘要:
Xanthomonas axonopodis (Xac) bacterium causes one of the most feared聽and untreatable diseases in cit...
doi:
10.1590/S0103-50532012000600009
作 者:
Universidade Federal...
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期刊标题:
Journal of the Brazilian Chemical Society