[PDF] Top 20 J. Braz. Chem. Soc. vol.24 número11
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J. Braz. Chem. Soc. vol.24 número11
... O acesso de informações a partir de publicações de diversos tipos é agora feito em tempo real diretamente de seu tablet ou celular, de qualquer lugar, sujeito a ferramentas instantâ[r] ... See full document
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J. Braz. Chem. Soc. vol.24 número11
... 33. Frisch, M. J.; Trucks, G. W.; Schlegel, H. B.; Scuseria, G. E.; Robb, M. A.; Cheeseman, J. R.; Scalmani, G.; Barone, V.; Mennucci, B.; Petersson, G. A.; Nakatsuji, H.; Caricato, M.; Li, X.; Hratchian, ... See full document
18
J. Braz. Chem. Soc. vol.24 número11
... In 2009, the Board of Directors and the Advisory Council decided to detach the cost of the subscription (a symbolic value) from the annual fee to cover the costs of the printed versio[r] ... See full document
2
J. Braz. Chem. Soc. vol.24 número11
... of river sediment with low mercury concentration was also analyzed. Other leaf and soil samples were also used in the optimization tests. They were collected in a forest area of the Brazilian Amazonia (Rio Branco, Acre). ... See full document
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J. Braz. Chem. Soc. vol.24 número11
... Although the presence of large clusters to PAHM-0 has been observed, and especially at low ionic strength, its reduced viscosity does not change in all studied salt ranges (Figure 8).[r] ... See full document
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J. Braz. Chem. Soc. vol.24 número11
... Biologia Celular, Instituto de Ciências Biológicas, Universidade Federal do Pará, Campus Universitário do Guamá, 66075-970 Belém-PA, Brazil.. Das folhas de Vatairea guianensis Aublé [r] ... See full document
21
J. Braz. Chem. Soc. vol.24 número11
... at nearly the same potentials on bare electrodes. On the other hand, consumption of a mixture of dietary amino acids that omits tryptophan, the precursor of serotonin, leads rapidly to a 70-80% decrease in plasma levels ... See full document
11
J. Braz. Chem. Soc. vol.24 número11
... In the present study, for higher sensitivity, selectivity and precision of nickel determination, the CIAME method combined with UV-Vis spectrophotometer technique, after selecting the[r] ... See full document
8
J. Braz. Chem. Soc. vol.24 número11
... found concentrations varying between 0.03 and 0.31%. The aim of the present work was to investigate for the first time the historical development of combustion processes in the hydrographic basin of the Guanabara as ... See full document
15
J. Braz. Chem. Soc. vol.24 número11
... (urine or blood serum) were initially dried in an oven at 120 °C for 24 h. Blood serum samples were further dried in an oven at 200 °C for an additional 24 h. Then, the biological samples were dry-ashed in ... See full document
10
J. Braz. Chem. Soc. vol.24 número11
... To investigate the effect of adsorption of catalysts on the walls of MCM-41 and MCM-48, the CoPc/MCM-41 and CoPc/MCM-48 catalysts were also prepared by physical adsorption and used f[r] ... See full document
11
J. Braz. Chem. Soc. vol.24 número11
... Therefore, both the MLR and GRNN models of − log k OH based on quantum chemical descriptors from ground states of reactants and radical transition states are successful in predictin[r] ... See full document
13
J. Braz. Chem. Soc. vol.24 número11
... 689, 4576; Weissman, S. A.; Zewge, D.; Chen, C.; J. Org. Chem. 2005, 70, 1508; Grossman, O.; Gelman, D.; Org. Lett. 2006, 8, 1189; Cheng, Y. N.; Duan, Z.; Yu, L. J.; Li, Z. X.; Zhu, Y.; Wu, Y. ... See full document
34
J. Braz. Chem. Soc. vol.24 número11
... system was refluxed for 6 hours, which was followed by an UV/Vis spectroscopy. After that, the solvent was evaporated and the resulting product was dried under vacuum for 24 hours. To purify the porphyrin, the ... See full document
10
J. Braz. Chem. Soc. vol.24 número11
... During the rainy seasons, the proportion of fresh water to the total estuarine volume present in the middle estuary ranged from 70% in low precipitation rainy seasons to 95% in the ex[r] ... See full document
13
J. Braz. Chem. Soc. vol.24 número11
... DNPH was the derivatizing agent used to determine the amounts of aldehydes released from frying foods.. The hydrazones produced by the derivatization process were separated and quanti[r] ... See full document
8
J. Braz. Chem. Soc. vol.24 número11
... J. R.; Scalmani, G.; Barone, V.; Mennucci, B.; Petersson, G. A.; Nakatsuji, H.; Caricato, M.; Li, X.; Hratchian, H. P.; Izmaylov, A. F.; Bloino, J.; Zheng, G.; Sonnenberg, J. L.; Hada, M.; Ehara, M.; ... See full document
9
J. Braz. Chem. Soc. vol.24 número11
... Keywords: capillary zone electrophoresis, central composite design, phenolic compounds, response surface optimization, Derringer-Suich desirability function... Introduction.[r] ... See full document
10
J. Braz. Chem. Soc. vol.24 número11
... The nucleophilic reagent usually attack at the C-2 position with γ -pyrone ring opening followed by further transformation during the course of the reaction producing a variety of pr[r] ... See full document
32
J. Braz. Chem. Soc. vol.24 número11
... In this work, the acid and base-catalyzed soybean oil methylation methods was monitored via GC-FID and also by ambient sonic-spray ionization mass spectrometry (EASI-MS)3. The base-cat[r] ... See full document
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