[PDF] Top 20 J. Braz. Chem. Soc. vol.23 número10
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J. Braz. Chem. Soc. vol.23 número10
... O Prêmio Nobel de Química de 2012 foi atribuído, pela Academia Real Sueca de Ciências, aos pesquisadores americanos Robert J. Lefkowitz, do Centro Médico da Universidade Duke (Carolina do Norte, EUA) e Brian K. ... See full document
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J. Braz. Chem. Soc. vol.23 número10
... Molecular fluorescence spectra obtained in emission and synchronous modes from AHS extracted from the Preto River, shows a maximum fluorescence signal at 436 nm in the emission spectr[r] ... See full document
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J. Braz. Chem. Soc. vol.23 número10 en a01v23n10
... The Royal Swedish Academy of Sciences awarded the 2012 Nobel Prize in Chemistry to the U.S. researchers Robert J. Lefkowitz, from the Duke University Medical Center (North Carolina, USA) and to Brian K. Kobilka, ... See full document
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J. Braz. Chem. Soc. vol.23 número10
... protocol for the synthesis of imidazo[1,2- a ] quinoline derivatives via condensation reaction of aldehydes, enaminones and malononitrile in the presence of 1,8-diazabicyclo[5.4.0]-un[r] ... See full document
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J. Braz. Chem. Soc. vol.23 número10
... 20(29)-ene (5) (12 mg). The fraction eluted with EtOAc was separated on a silica gel column with a hexane/EtOAc gradient to yield 3-(2’,3’,4’,6’-tetra- O-acetyl-β-D-glucopyranosyloxy)-β-sitosterol (8) (35 mg). A sample ... See full document
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J. Braz. Chem. Soc. vol.23 número10
... A fraction containing all these flavonoids (FR3) showed significant cell viability when compared with cell cultures treated with rotenone, a mitochondrial complex I inhibitor, strongl[r] ... See full document
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J. Braz. Chem. Soc. vol.23 número10
... 1. Tian, K. G.; Yu, X. L.; Zhao, T. Z.; Feng, Y. J .; Cao, Z.; Wang, C. B.; Hu, Y.; Chen, X. Z.; Hu, D. M.; Tian, X. S.; Liu, D.; Zhang, S.; Deng, X. Y.; Ding, Y. Q.; Yang, L.; Zhang, Y. X.; Xiao, H. X.; Qiao, M. ... See full document
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J. Braz. Chem. Soc. vol.23 número10
... at d 3.80 and 4.55 with J 4.0 Hz, in addition to aromatic protons. Cyclophanes 4b-4h were also accessed by a familiar method from the reaction of diols 3b-3h with diacid chloride 1. In order to avoid ... See full document
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J. Braz. Chem. Soc. vol.23 número10
... The fatty acid identification was made through the comparison of relative retention times of the sample peaks with a mixture of FAME standards and methyl esters containing linoleic acid geometric isomers c9,t11 and ... See full document
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J. Braz. Chem. Soc. vol.23 número10
... Hydroxyl radicals were produced by reactions of dissolved oxygen and electrons released from the ZnS nanoparticles and excited phenol molecules.. MMT decreased the photodecomposition r[r] ... See full document
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J. Braz. Chem. Soc. vol.23 número10
... Correlation of literature boiling points of 76 linear and branched acyclic alkynes with predicted values based on Y BP values calculated from structure via equation 3.. The diagonal l[r] ... See full document
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J. Braz. Chem. Soc. vol.23 número10
... These preliminary experiments showed better results when using a buffer containing sodium tetraborate (pH 9.3) in order to obtain high resolution within shortest analysis time.. It wa[r] ... See full document
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J. Braz. Chem. Soc. vol.23 número10
... These curves correspond to the depletion of resin concentration in solutions containing resins dissolved in heptane resulting from the precipitation of the asphaltene fraction.. Consi[r] ... See full document
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J. Braz. Chem. Soc. vol.23 número10
... São Paulo site (SPA) (23°33´S and 46° 44´W) is at approximately 800 m above sea level. The collection point in SPA site is located in a green area, within approximately 2 km of a major highway carrying relatively ... See full document
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J. Braz. Chem. Soc. vol.23 número10
... autumnale UTEX1580 in the BG-11 solid culture medium with different dye concentrations was similar to that in the liquid medium and it was observed that with dye concentrations lower[r] ... See full document
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J. Braz. Chem. Soc. vol.23 número10
... In contrast, titratable acidity, citric and succinic acids, low acetic acid and ethanol reveal relationships with total phenols and color intensity in the second CV, which is associat[r] ... See full document
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J. Braz. Chem. Soc. vol.23 número10
... synthesized by a new route of the modified proteic gel method using collagen as organic precursor with the goal of studying the effect of the metal/collagen ratio on the structural pr[r] ... See full document
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J. Braz. Chem. Soc. vol.23 número10
... For the study of spatial chemical structure, the matrices of Euclidean distances from geographical coordinates and essential oil data sets (chemical constituents or oil constituents r[r] ... See full document
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J. Braz. Chem. Soc. vol.23 número10
... http://dnp.chemnetbase.com accessed in September, 2012; Cole, R. J.; Schweikert, M. A.; Handbook of Secondary Fungal Metabolites, Academic Press: San Diego and London, 2003, vols. 1-3.; Mander, L.; Liu, H.-W.; ... See full document
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J. Braz. Chem. Soc. vol.23 número10
... In addition, when the FIA system is coupled to the multiple pulse amperometry (MPA) technique, there is the possibility of a working electrode surface being cleaned and reactivated co[r] ... See full document
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