[PDF] Top 20 J. Braz. Chem. Soc. vol.17 número4
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J. Braz. Chem. Soc. vol.17 número4
... apenas 17 constam do JCR. Mesmo considerando as diferentes culturas de publicação de cada área do conhecimento, a relação entre o número de periódicos apoiados pelo CNPq e os que têm importância no contexto ... See full document
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J. Braz. Chem. Soc. vol.17 número4
... light. Grafting hindered nitroxide 4 does not affect this behavior (Figure 2a). By contrast, fibers grafted with 2 show a slight increase of a* in the first hour of irradiation, and remains constant after longer ... See full document
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J. Braz. Chem. Soc. vol.17 número4
... and δ 7.36 integrating to 2H and 3H, respectively. These results combined with the presence of the ion m/z 77 in the EIMS spectrum indicated the presence of a phenyl group. Two broad singlets at δ 6.56 and δ 6.68 ... See full document
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J. Braz. Chem. Soc. vol.17 número4
... This short report presents contributions from Romania, Europe and South America to detect organophosphorus (OP) pesticides in water employing sensitive and specific enzymatic sensors bas[r] ... See full document
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J. Braz. Chem. Soc. vol.17 número4
... 3. Amaral, M. C. E.; Faria, A. D.; Magalhães, A. F.; Magalhães, E. G.; Ruiz, A. L. T. G; Phytochem. Anal. 2004, 15, 125; Magalhães, A. F.; Ruiz, A. L. T. G.; Flach, A.; Faria, A. D.; Magalhães, E. G.; Amaral, M. C. E.; ... See full document
10
J. Braz. Chem. Soc. vol.17 número4
... (0.653); Química Nova (0.650); Brazilian Journal of Physics (0.445); Arquivos de Neuro-Psiquiatria (0.430); Brazilian Journal of Chemical Engineering (0.385); Genetics and Molecular [r] ... See full document
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J. Braz. Chem. Soc. vol.17 número4
... A cloud point extraction process using the nonionic surfactant Triton X-114 to extract bismuth from aqueous solutions was investigated.. The method is based on the complexation reaction [r] ... See full document
6
J. Braz. Chem. Soc. vol.17 número4
... The solvent was evaporated and the crude product was purified by column chromatography on silica gel using hexane: EtOAc (9:1) as eluent, to afford 2 in 74% yield as a colorless oil. T[r] ... See full document
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J. Braz. Chem. Soc. vol.17 número4
... In the samples analysed in this work (tablets), chloride ion is seldom found and hence the proposed electrode can be used for direct determination of naproxenate in these pharmaceutical [r] ... See full document
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J. Braz. Chem. Soc. vol.17 número4
... Liquid liquid extraction of tetravalent zirconium and hafnium from acidic chloride solutions has been investigated using 3-phenyl-4-acyl-5-isoxazolones in xylene such as 3- phenyl-4-benz[r] ... See full document
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J. Braz. Chem. Soc. vol.17 número4
... Anodes containing ruthenium, titanium, and tin oxides supported on metallic Ti were prepared by thermal decomposition of precursor salts in order to investigate the effect that changing [r] ... See full document
9
J. Braz. Chem. Soc. vol.17 número4
... One can see that no significant difference could be observed in the selectivity for monoalkylation with the tert -butylchloride, indicating that reaction is mostly occurring inside the [r] ... See full document
5
J. Braz. Chem. Soc. vol.17 número4
... Thermal degradation data under nitrogen, from thermogravimetry, showing the thermal process, the interval of temperature (ΔT), mass losses (Δm) experimental (exp) and calculated (calc), [r] ... See full document
9
J. Braz. Chem. Soc. vol.17 número4
... The influence of electrolyte composition (pure sulphuric or perchloric acid and their mixtures) on the kinetics of the oxygen evolution reaction ( OER ) and the electrochemical ozone pro[r] ... See full document
12
J. Braz. Chem. Soc. vol.17 número4
... 102 When they are used as cathode, the resulting cell has shown initial discharge specific capacity of 306 mA h g -1 at 3.6-1.5 V, which value is significantly superior to those obtained[r] ... See full document
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J. Braz. Chem. Soc. vol.17 número4
... All these characteristics show that this photoresin is a good alternative for microsystem fabrication mainly for the large area devices from mini and microfluidics, when compared to micr[r] ... See full document
5
J. Braz. Chem. Soc. vol.17 número4
... The glycosylated amino acids containing the sugar units β -D-GlcNAc ( 3 and 7 ) O - linked to threonine amino acids are involved in cellular signalling events, and the correspondent [r] ... See full document
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J. Braz. Chem. Soc. vol.17 número4
... Figures 4a and 4b show the SEM micrographs of the BDD(Pt) surfaces with Pt deposited at -0.2 V and -0.9 V, respectively. It can be seen that both samples exhibit uniform surface with faceted grains with Pt particles ... See full document
7
J. Braz. Chem. Soc. vol.17 número4
... This paper aims to find optimal conditions for obtaining monolayers of polyamic acid (PA) with one COOH group on aqueous lead-containing subphase and to prepare dye-containing Langmuir –[r] ... See full document
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J. Braz. Chem. Soc. vol.17 número4
... The aim of this study is the application of a new XAD-2/ Me-BTAP resin in an on-line system for the preconcentration followed by the determination of cobalt, copper and nickel by Flame A[r] ... See full document
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