[PDF] Top 20 J. Braz. Chem. Soc. vol.19 número8
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J. Braz. Chem. Soc. vol.19 número8
... In Brazil there are good examples of scientists’ commitment to the formation of science teachers and both elementary and high school students that resulted in a greate[r] ... See full document
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J. Braz. Chem. Soc. vol.19 número8
... This protocol is suitable to the synthesis of alkyl, aryl and heterocyclyl substituted symmetrical and unsymmetrical 1,3,4-oxadiazoles, and has advantages of no corrosion, no[r] ... See full document
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J. Braz. Chem. Soc. vol.19 número8
... β -hydroxy thiocyanates using NH 4 SCN and in the presence of B(HSO 4 ) 3 as solid acid catalyst in solvent-free process in high isolated yields.. Results and Discussion.[r] ... See full document
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J. Braz. Chem. Soc. vol.19 número8
... Tomasi, J.; Barone, V.; Mennucci, B.; Cossi, M.; Scalmani, G.; Rega, N.; Petersson, G. A.; Nakatsuji, H.; Hada, M.; Ehara, M.; Toyota, K.; Fukuda, R.; Hasegawa, J.; Ishida, M.; Nakajima, T.; Honda, Y.; ... See full document
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J. Braz. Chem. Soc. vol.19 número8
... 8. Frisch, M. J.; Trucks, G. W.; Schlegel, H. B.; Scuseria, G. E.; Robb, M. A.; Cheeseman, J. R.; Zakrewski, V. G.; Montgomery, J. A.; Stratman, R. E.; Vurant, J. C.; Dapprich, S.; Millam, ... See full document
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J. Braz. Chem. Soc. vol.19 número8
... the Table 1, g || = 2.3624(9), g O(14)–O(1) = 2.0875(8), g W(1)–W(2) = 2.0545(7), indicate that the electron ground-state orbital is in the plane containing the copper ion and the hippurato oxygen and water ligands. The ... See full document
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J. Braz. Chem. Soc. vol.19 número8
... Gallic acid, tannic acid, catechin and pyrogallol were used as polyphenolic reference substances (PRS), along with an aqueous extract from Psidium guajava L.. The binding specificity[r] ... See full document
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J. Braz. Chem. Soc. vol.19 número8
... transesterification involving amino acids (as examples, see references 30-33), far fewer articles focus on the use of lipases in peptide bond formation (see references 18 and 19 among the examples). It is ... See full document
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J. Braz. Chem. Soc. vol.19 número8
... Effective impregnation was also monitored by DRIFT (data not shown). The emission behavior study of both PVG and rubber septum impregnated with the mixture of compounds [r] ... See full document
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J. Braz. Chem. Soc. vol.19 número8
... π -interactions: the synthesis of {Hg[PhN 3 C 6 H 4 N 3 (H) Ph] (NO 3 )} 14 − a rare Hg(II) complex containing two phenyltriazenide chains − was one of the first evidenc[r] ... See full document
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J. Braz. Chem. Soc. vol.19 número8
... 1. Hassan, S. Y.; Khattab, S. N.; Bekhit, A. A.; Amer, A.; Bioorg. Med. Chem. Lett. 2006, 16, 1753; Perumal, R. V.; Mahesh, R.; Bioorg. Med. Chem. Lett. 2006, 16, 2769; Zhao, Z.; Leister, W. H.; Robinson, ... See full document
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J. Braz. Chem. Soc. vol.19 número8
... Figures 3a and 3b exhibit the X-ray powder diffraction patterns of samples 1 and 3, respectively. Sample 1 presents gypsum, also called gesso mate (CaSO 4 ·2H 2 O; ICDD 33-311), anhydrite, also called gesso grosso (CaSO ... See full document
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J. Braz. Chem. Soc. vol.19 número8
... This study was undertaken to access the pattern of sex pheromone production in glands of virgin females of Leucoptera coffeella as an indirect measure of the calling behavior.. The ma[r] ... See full document
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J. Braz. Chem. Soc. vol.19 número8 pt v19n8a01
... Ela pode liderar um grande movimento incentivando seus associados, principalmente professores e pós- graduandos, a oferecerem cursos de férias para professores e alunos do e[r] ... See full document
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J. Braz. Chem. Soc. vol.19 número8
... This was true not only for the fitted spectrum, but also for the second and fourth derivative curve; ( iii ) Even in the fitting models using compound peak shapes, described b[r] ... See full document
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J. Braz. Chem. Soc. vol.19 número8
... 28. van Acker, S. A. B. E.; de Groot, M. J.; van den Berg, D. J.; Tromp, M. N. J. L.; Donne-op den Kelder, G.; van der Vijgh, W. J. F.; Bast, A.; Chem. Res. Toxicol. 1996, 9, 1305. 29. ... See full document
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J. Braz. Chem. Soc. vol.19 número8
... All reagents such as uric acid (UA, Merck), ascorbic acid (AA, J. T. Baker) and CPC (cetylpyridinium chloride, Sigma- Aldrich), were used as received without further purification. Aqueous solutions were prepared ... See full document
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J. Braz. Chem. Soc. vol.19 número8
... ratios very close to the proportion 3(TiO 2 ):1(Fe 2 TiO 5 ), corresponding to the original 2:1 titanium:iron ratio in the molecular precursor, and confirming the stoichiometric conversion of 1 to the corresponding ... See full document
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J. Braz. Chem. Soc. vol.19 número8
... The photophysical changes observed in the lower temperature regimes over the ranges of emission wavelengths ascribed to isolated and aggregated groups represented by the incre[r] ... See full document
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J. Braz. Chem. Soc. vol.19 número8
... Mean area % of FAMEs (fatty acid methyl esters)* and C18:1/C18:0 ratios in six roasted Brazilian coffee ( Coffea arabica L.) varieties (Catuai, Catucaí, Bourbom, Mundo Novo, Rubí and T[r] ... See full document
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