[PDF] Top 20 J. Braz. Chem. Soc. vol.17 número3
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J. Braz. Chem. Soc. vol.17 número3
... Por outro lado, para que o número de doutores continue crescendo, e a tendência é esta, serão necessárias estratégias para a fixação destes doutores no Brasil, caso contrário aqueles com[r] ... See full document
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J. Braz. Chem. Soc. vol.17 número3
... 5. Achenbach, H.; Frey, D.; Waibel, R.; J. Nat. Prod. 1991, 54, 1331; Fukuda, N.; Yonemisu, M.; Kimura, T.; Chem. Pharm. Bull. 1983, 31, 156; Hussain, S. F.; Gözler, B.; Shamma, M.; Gözler, T.; ... See full document
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J. Braz. Chem. Soc. vol.17 número3
... In addition, the melatonin loaded- nanocapsule spray-dried powder prepared using silicon dioxide has been successfully obtained. This powder improved the physical stability of the produc[r] ... See full document
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J. Braz. Chem. Soc. vol.17 número3
... In this paper we report the synthesis of new N -substituted derivatives of 3-arylaminoisoxazol-5(2 H )-ones with benzoxazole and benzothiazole substituent at nitrogen and their rearrang[r] ... See full document
7
J. Braz. Chem. Soc. vol.17 número3
... The effect of varying the concentration of coupling agent was studied using the proposed procedure and adding 0.2- 2.0 mL of 2% ethoxyethylenemaleic ester or 0.2-2.0 mL of 2% ethylcyanoa[r] ... See full document
5
J. Braz. Chem. Soc. vol.17 número3
... The spectra show relatively more bands in the region of 400-700 cm -1 ; and they are greater in intensity compared to those reported in the literature. 14,23 Humic acids may differ sign[r] ... See full document
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J. Braz. Chem. Soc. vol.17 número3
... There has been some initiative along these lines such as the PROFIX (Special Program to Encourage PhD’s to Remain in Brazil) by CNPq (National Counsel of Technological and Scientific Dev[r] ... See full document
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J. Braz. Chem. Soc. vol.17 número3
... The results based on the prediction performance of the external validation set expressed by RMSEP (root mean square error of prediction) demonstrated that it is possible to develop good [r] ... See full document
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J. Braz. Chem. Soc. vol.17 número3
... Immobilized Stearic Acid as a New Sorbent for On-Line Preconcentration and Determination of Lead by Flow Injection Flame Atomic Absorption Spectrometry.. Shayessteh Dadfarnia,* Ali Moham[r] ... See full document
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J. Braz. Chem. Soc. vol.17 número3
... IR, 1 H and 13 C-NMR, CHN elemental analyses, TG, GPC and TPD-MS (Temperature Programmed Decomposition-Mass Spectrometry) experiments suggest that nitric acid promotes two processes: ([r] ... See full document
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J. Braz. Chem. Soc. vol.17 número3
... This work describes a flow injection analysis (FIA) approach for determination of MTZ based on the spectrometric monitoring of nitrite ions released from an alkaline hydrolysis pre-treat[r] ... See full document
5
J. Braz. Chem. Soc. vol.17 número3
... 3. Bahar, S.; Guha, S.; Synth. Commun. 2005, 35, 1183; Das, N. B.; Nayak, A.; Nanda, B.; J. Chem. Res. 2004, 10, 712; De, S. K.; Synth. Commun. 2004, 34, 2751; De, S. K.; Lett. Org. Chem. 2005, 2, ... See full document
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J. Braz. Chem. Soc. vol.17 número3
... Electrophysiological Responses of Eucalyptus Brown Looper Thyrinteina arnobia to Essential Oils of Seven Eucalyptus Species.. Luciane G.[r] ... See full document
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J. Braz. Chem. Soc. vol.17 número3
... The b i (i= 1, 2 and 3) represent linear blending effects between the pseudocomponents whereas the b ij (i,j = 1,2,3; i ≠ j) are interpreted as binary synergic and antagonistic interactions. The b ijk ... See full document
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J. Braz. Chem. Soc. vol.17 número3
... 8. Acácio-Bigi, M. F. M.; Hebling, M. J. A.; Bueno, O .C.; Pagnocca, F. C.; Silva, O. A.; Fernandes, J. B.; Vieira, P. C.; Rev. Bras. Entomol. 1998, 41, 239; Monteiro, M. R.; Torkomian, V. L. V.; Pagnocca, ... See full document
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J. Braz. Chem. Soc. vol.17 número3
... In contrast, when the starting material presents the quinuclidinic nitrogen protonated, as in the case of hydroquinidine hydrochloride, coordination takes place through the quinolinic ri[r] ... See full document
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J. Braz. Chem. Soc. vol.17 número3
... conjugates 2b, 4b and 3b were evaluated at 2 µM (lanes 4-7, respectively) and 0.2 µM (lanes 8-11, respectively) (Figure 1). All compounds presented significant inhibition of topo II-α catalytic activity at the 2 µM dose. ... See full document
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J. Braz. Chem. Soc. vol.17 número3
... Therefore, fracture toughness and tensile modulus mechanical properties, and the activation energies obtained by dielectric analysis show the same profile with respect to OG content, in [r] ... See full document
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J. Braz. Chem. Soc. vol.17 número3
... Perturbation in the oscillating system by injecting a micro volume of sample containing a given amount of In(III) caused the change in the oscillation period that was quantitatively rela[r] ... See full document
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J. Braz. Chem. Soc. vol.17 número3
... Hence, a detailed study of the extraction of zinc(II) with PPT has been undertaken with a view to develop a rapid and sensitive extractive spectro- photometric method for the determinati[r] ... See full document
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