[PDF] Top 20 J. Braz. Chem. Soc. vol.19 número1
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J. Braz. Chem. Soc. vol.19 número1
... Looking back at the 2007 JBCS , Journal of the Brazilian Chemical Society , we notice that there were issues quite similar to those of the previous year (2006), indic[r] ... See full document
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J. Braz. Chem. Soc. vol.19 número1
... The biodegradation efficiencies (BE) values obtained in liquid medium experiments using both indigenous micro- organisms and hydrocarbon degrader consortium (HDC) inoculum showed that,[r] ... See full document
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J. Braz. Chem. Soc. vol.19 número1
... Cell cycle arrest induced by different M-edds complexes of K562 and PBMC cells after 1 h treatments (mean ± S.D.) in complete RPMI medium. Supplementary[r] ... See full document
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J. Braz. Chem. Soc. vol.19 número1
... The software was capable to carry out three main detection techniques (amperometric, pulsed amperometric and coulometric detection) and a voltammetric technique (cyclic voltammetry), [r] ... See full document
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J. Braz. Chem. Soc. vol.19 número1
... 13. Gaussian 03. Revision B.04; Frisch, M. J.; Trucks, G. W.; Schlegel, H. B.; Scuseria, G. E.; Robb, M. A.; Cheeseman, J. R.; Zakrzewski, V. G.; Montgomery, J. A. Jr.; Vreven, T.; Kudin, K. N.; ... See full document
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J. Braz. Chem. Soc. vol.19 número1
... Figure 3, the electrochemical oxidation of OA at the BDD electrode is significantly accelerated by the presence of a halogen salt in solution; interestingly, the mediated process does[r] ... See full document
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J. Braz. Chem. Soc. vol.19 número1
... Experimental designs for five factors (HNO 3 and H 2 O 2 volume, digestion time, block temperature and particle size) were used for optimization of the digestion procedure, adopting [r] ... See full document
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J. Braz. Chem. Soc. vol.19 número1
... The pK a values were determined in water: ethanol (1:1, v/v) solutions, in order to allow the complete dissolution of the samples over the entire pH range, using both the pH-metric a[r] ... See full document
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J. Braz. Chem. Soc. vol.19 número1
... In this study, three derivatives of poly(ether ether ketone) [PEEK] were prepared in suspen- sion by nitration (NO 2 -PEEK), reduction to the amino group (NH 2 -PEEK) and carbonyl reduct[r] ... See full document
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J. Braz. Chem. Soc. vol.19 número1
... 4-methoxy-1,1,1-trifluoro-3-alken-2-ones in MeOH, EtOH or i-PrOH by displacement of B-methoxy substituent, in these cases, the intramolecular cyclocondensation of the resulting methyl ... See full document
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J. Braz. Chem. Soc. vol.19 número1
... The J values measured between H-2 and H-3 (Scheme 3) show that the double bond of the isomer 2b formed after irradiation has a cis configuration (J ... See full document
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J. Braz. Chem. Soc. vol.19 número1
... Crystal data and structure refinement details for tppt are given in Table 1, with selected bond distances and angles shown in Table 2.. Results and Discussion.[r] ... See full document
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J. Braz. Chem. Soc. vol.19 número1 pt a01v19n1
... Olhando para o ano que passou, constatamos que em 2007 o Journal of the Brazilian Chemical Society , JBCS , teve números parecidos com os do ano anterior (2006), indicando cer[r] ... See full document
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J. Braz. Chem. Soc. vol.19 número1
... This study probably indicates that the thermal treatment ap- plied to soybean oil during the deodorization step in the last years is too intense and that it results in a significant dec[r] ... See full document
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J. Braz. Chem. Soc. vol.19 número1
... The basic idea of the finite-difference method to solve partial differential equations is to replace spatial and time derivatives by suitable approximations and then to numerically solve the resulting difference ... See full document
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J. Braz. Chem. Soc. vol.19 número1
... A.; Stratmann, R. E.; Burant, J. C.; Dapprich, S.; Millam, J. M.; Daniels, A. D.; Kudin, K. N.; Strain, M. C.; Farkas, O.; Tomasi, J.; Barone, V.; Cossi, M.; Cammi, R.; Mennucci, B.; Pomelli, C.; ... See full document
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J. Braz. Chem. Soc. vol.19 número1
... 5. Singh, H.; Yadav, L. D. S.; Bhattacharya, B. K.; J. Indian Chem. Soc. 1979, 56, 1013; Desai, N. C.; Indian J. Chem. 1993, 32B, 343; Feng, X. M.; Chen, R.; Liu, X. C.; Zhang, Z. Y.; ... See full document
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J. Braz. Chem. Soc. vol.19 número1
... Acylation of amino acid ethyl ester hydrochloride was done by six methods using acid anhydride of FB, acid chloride of FB and triethylamine as base, acid chloride of FB and potassium [r] ... See full document
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J. Braz. Chem. Soc. vol.19 número1
... First of all, to obtain the best quantitative recoveries of Cd(II) ions, many parameters such as pH of adsorption of XO on activated carbon, pH of sample solution, sample volume, type[r] ... See full document
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J. Braz. Chem. Soc. vol.19 número1
... The authors wish to thank Central de Análises (Departamento de Química, UFSC, Florianópolis) for spectroscopic analysis. G. P. S. is grateful to CAPES and CNPq (Brazil) for a pre-doctoral fellowship. M. M. S. and ... See full document
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