[PDF] Top 20 J. Braz. Chem. Soc. vol.16 número6A

J. Braz. Chem. Soc. vol.16 número6A

... Henry Taube nasceu na pequena cidade de Neudorf, em Saskatchewan (Canada), em 30 de novembro de 1915. Cresceu em fazenda, em contacto com a natureza e com a vida rural. Na Universidade de Saskatchewan, Taube concluiu sua ... See full document

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J. Braz. Chem. Soc. vol.16 número6A

... One aspect must be considered: as the solids used for calibration must have similar matrix composition, the proposed procedure minimizes a usual problem related to the reference materials availability having suitable ... See full document

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J. Braz. Chem. Soc. vol.16 número6A

... By incorporating Hb in DMAEMA films successfully and modifying them on electrode surfaces, the direct electron transfer rate between Hb and the electrode was enhanced. Certain electroche[r] ... See full document

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J. Braz. Chem. Soc. vol.16 número6A

... In this investigation, we have shown that the presence of small amounts of water accompanied with SiO 2 as wet SiO 2 (30% m/m) dramatically accelerates the rate of reduction of structu[r] ... See full document

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J. Braz. Chem. Soc. vol.16 número6A

... Pak, Waters) previously cleaned with methanol and acetonitrile and coated with 2,4 dinitrophenylhydrazine (DNPH). An ozone trap, consisting of a KI cartridge (Waters) was connected to the upstream end of the cartridge to ... See full document

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J. Braz. Chem. Soc. vol.16 número6A

... acetate, 9:1). The reaction mixture was purged with nitrogen, an excess of sodium borohydride (2.0 g) was added, and the resulting mixture was stirred at room temperature overnight. After addition of water (10 mL), the ... See full document

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J. Braz. Chem. Soc. vol.16 número6A

... In this way, a column packed with the resin AG1-X8 was coupled to the flow system prior to the enzymatic column, as shown in Figure 2, and exploiting this strategy no differences in sens[r] ... See full document

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J. Braz. Chem. Soc. vol.16 número6A

... Regarding the digestive tolerance experiments, the total lesional indexes were 156.1 ± 48.5 for sodium diclofenac aqueous solution, 132.4 ± 45.7 for uncoated-core, 109.1 ± 35.8 for physi[r] ... See full document

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J. Braz. Chem. Soc. vol.16 número6A

... 1). Different reasons could be responsible for this, as the formation of the monolayer at the moment of deposition, the homogeneity of the surfactant solutions or even small changes in the air circulation around the test ... See full document

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J. Braz. Chem. Soc. vol.16 número6A

... Henry Taube was born in Neudorf city (Saskatchewan, Canada), in November 30, 1915. He was grown up on a farm, in contact with nature and rural life. From the University of Saskatchewan, Taube received his B.S. (1935) and ... See full document

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J. Braz. Chem. Soc. vol.16 número6A

... 5. Komon, Z. J. A.; Diamond, G. M.; Leclerc, M. K.; Murphy, V.; Okazaki, M.; Bazan, G. C.; J. Am. Chem. Soc. 2002, 124, 15280; Quijada, R.; Rojas, R.; Bazan, G. C.; Komon, Z. J. A.; ... See full document

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J. Braz. Chem. Soc. vol.16 número6A

... 1. Pierce, M. E.; Parsons, R. L.; Radesca, L. A.; Lo,Y. S.; Silverman, S.; Moore, J. R.; Islam,Q.; Choudhury, A.; Fortunak, J. M. D.; Nguyen, D.; Luo, C.; Morgan, S. J.; Davis, W. P.; Confalone, P. ... See full document

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J. Braz. Chem. Soc. vol.16 número6A

... anodic peak current is observed, whereas the cathodic peak have depressed This behavior is typical of that expected for mediated oxidation, but under the same conditions at a bare GC electrode, no peak is observed (curve ... See full document

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J. Braz. Chem. Soc. vol.16 número6A

... The interpretation of the factorial design by Pareto’s chart in Figure 2 using final acidity as response shows that the significant variables to residual acidity were oxidant mixture vol[r] ... See full document

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J. Braz. Chem. Soc. vol.16 número6A

... Results obtained in this work allow us to conclude, in general terms, that the proposed method can be used for the simultaneous determination of traces of toxic metals in samples of the [r] ... See full document

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J. Braz. Chem. Soc. vol.16 número6A

... A further increase to 60 ºC leads to a decrease of the polymerization conversion, indicating reduced complex stability, resulting in a lower activity of the vanadium catalyst systems in [r] ... See full document

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J. Braz. Chem. Soc. vol.16 número6A

... Therefore, the electronic effects of the substituent define, in the reaction medium, the position of the benzofuroxan tautomeric equilibria so they define the predominant electrophilic s[r] ... See full document

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J. Braz. Chem. Soc. vol.16 número6A

... Starting from Rare Earth chloride mixtures, supplied by NUCLEMON, the cerium is separated using the NH 4 OH/ Air/H 2 O 2 system for the selective oxidation of cerium (III) to Ce(IV), an[r] ... See full document

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J. Braz. Chem. Soc. vol.16 número6A

... The nitrile hydratase activity of Nocardia corallina B-276 is described, and the only detected product during the biocatalyzed hydrolysis of selected nitriles was the corresponding ami[r] ... See full document

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J. Braz. Chem. Soc. vol.16 número6A

... F.E.; Fu, P.P. In Polynuclear Aromatic Hydrocarbons: Measurements, Means, and Metabolism; Cooke, M.; Loening, K.; Merritt, J., eds.; Battelle Press: Columbus, 1991, p. 1.083. 5. Pereira Netto, A.D.; Moreira, J.C.; ... See full document

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