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Development of an amperometric enzyme electrode based on poly(o-phenylenediamine) for the determination of total cholesterol in serum
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- B> A polymer-based amperometric enzyme electrode (Pt/PoPD/ChOx) was prepared for the amperometric de...
- doi：
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10.1590/S0103-50532012001200011
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Hacettepe University...
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Journal of the Brazilian Chemical Society
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Furanoflavones and other chemical constituents of Lonchocarpus obtusos
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- Two new furanoflavonoids, 5-hydroxy-2鈥欌€?isopropenyl-3-methoxyfurane-(2",3":7,8)-flavone and 5-hydro...
- doi：
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10.1590/S0103-50532012000200016
- 作 者：
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Braz-Filho, Raimundo...
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- 期刊标题：
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Journal of the Brazilian Chemical Society
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Cytotoxic sesquiterpene lactones and other constituents of Centaurea omphalotricha
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- Phytochemical research of the aerial parts of Centaurea omphalotricha led to the isolation of three ...
- doi：
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10.1590/S0103-50532012000500026
- 作 者：
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Bermejo, Jaime;Kolli...
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- 期刊标题：
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Journal of the Brazilian Chemical Society
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Discrimination of commercial roasted and ground coffees according to chemical composition
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- Roasted and ground 38 commercial coffees and coffees of known species (arabica, robusta) were charac...
- doi：
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10.1590/S0103-50532012000700020
- 作 者：
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Souza, Romilaine M. ...
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- 期刊标题：
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Journal of the Brazilian Chemical Society
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A method for determination of ammonia in air using oxalic acid-impregnated cellulose filters and fluorimetric detection
- 摘要：
- A fluorimetric method was developed for the determination of ammonia in ambient air. Samples were co...
- doi：
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10.1590/S0103-50532012000100020
- 作 者：
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Cardoso, Arnaldo A.;...
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- 期刊编号：
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- 期刊标题：
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Journal of the Brazilian Chemical Society
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Electrospray ionization tandem mass spectrometry of the two main antimalarial drugs: artemether and lumefantrine
- 摘要：
- Electrospray ionization in the positive ion mode and high resolution and high accuracy tandem mass s...
- doi：
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10.1590/S0103-50532012000100010
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Universidade Estadua...
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- 期刊编号：
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- 期刊标题：
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Journal of the Brazilian Chemical Society
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Antiprotozoal alkaloids from Psychotria prunifolia (Kunth) Steyerm
- 摘要：
- The continuity of the phytochemical study of crude extracts of P. prunifolia's roots and branches le...
- doi：
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10.1590/S0103-50532012000200024
- 作 者：
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Oliveira, Cecília M....
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- 期刊编号：
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- 期刊标题：
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Journal of the Brazilian Chemical Society
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Determination of pesticide residues in sugarcane honey by QuEChERS, and liquid chromatography
- 摘要：
- This paper aims at describing a method to determine the pesticides 2,4-D, diuron and fipronil in sug...
- doi：
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10.1590/S0103-50532012000200002
- 作 者：
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Tomasini, Débora;Uni...
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- 期刊标题：
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Journal of the Brazilian Chemical Society
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Determination of tetracycline in environmental water samples at a graphite-polyurethane composite electrode
- 摘要：
- A bare graphite-polyurethane composite was evaluated in the tetracycline (TC) determination in natur...
- doi：
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10.1590/S0103-50532012000500020
- 作 者：
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Calixto, Carolina M....
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- 期刊标题：
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Journal of the Brazilian Chemical Society
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Direct electrochemical analysis of dexamethasone endocrine disruptor in raw natural waters
- 摘要：
- This paper describes an electroanalytical methodology using square-wave adsorptive voltammetry, whic...
- doi：
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10.1590/S0103-50532012000100016
- 作 者：
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Becker, Helena;Lima-...
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- 期刊编号：
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- 期刊标题：
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Journal of the Brazilian Chemical Society
