[PDF] Top 20 J. Braz. Chem. Soc. vol.23 número4
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J. Braz. Chem. Soc. vol.23 número4
... The actions formulated in order to reach the goals related to the strategic issues were planned having as a referential basis the International Year of Chemistry, IYC-2011, which had [r] ... See full document
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J. Braz. Chem. Soc. vol.23 número4
... 12. Kim, J. H.; Kim, H. J.; Kim, S. H.; Lee, J. H.; Do, J. H.; Kim, H. J.; Lee, J. H.; Kim, J. S.; Tetrahedron Lett. 2009, 50, 5958; Sheng, R. L.; Wang, P. F.; Gao, Y. ... See full document
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J. Braz. Chem. Soc. vol.23 número4
... previous work using the same standard reference material and the CRI on collision mode, poor accuracies were observed probably because no pre-digestion step was employed and digested [r] ... See full document
6
J. Braz. Chem. Soc. vol.23 número4
... As Figure 13 shows, the cell division cycle of the MCF-7 cancer cells is clearly visualized using a combination of DAPI and the novel mitochondria marker (BTDShiny), thus allowing fut[r] ... See full document
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J. Braz. Chem. Soc. vol.23 número4
... to separate and quantify the trans isomer forms of 18:3, 18:2 and 18:1 designate 18:3’, 18:2’ and 18:1, trans, respectively. These trans isomers are eluted soon after the correponding cis isomers due to a preferential ... See full document
7
J. Braz. Chem. Soc. vol.23 número4
... The behavior of the analytical signals (gross signal and background) for the REEs using the different sets of operating conditions were analyzed applying the emission line of La II 40[r] ... See full document
10
J. Braz. Chem. Soc. vol.23 número4
... HEMA)) block copolymers, and the corresponding thin films with cylindrical microdomains of PS embedded in a matrix formed by PHEMA or P(HEMA- co -PEMA).... Solutions were initially st[r] ... See full document
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J. Braz. Chem. Soc. vol.23 número4
... In this paper the optimum experimental conditions of immobilization (pH, temperature, enzyme loading, reaction time, supports) of lipase from Candida rugosa and those concerning the[r] ... See full document
8
J. Braz. Chem. Soc. vol.23 número4
... Northeastern Brazilian states seem to be promising for bee pollen production, since samples from this region presented significantly higher amounts of minerals and showed constant pro[r] ... See full document
10
J. Braz. Chem. Soc. vol.23 número4
... The evaluation of the results obtained from the sediment samples collected in December 2005, September 2006, November 2006 and April 2007 reveals that Fe exhibited a higher concentrat[r] ... See full document
9
J. Braz. Chem. Soc. vol.23 número4
... The honey samples were treated as follows: the 5.0% (m/v) sample solutions (50 mL) were passed at the flow rate of 20 mL min –1 through the resin beds of Dowex 50W×8-400 to retain the[r] ... See full document
8
J. Braz. Chem. Soc. vol.23 número4
... 14. Ziolek, M.; Sobczak, I.; Lewandowska, A.; Nowak, I.; Decyk, P.; Renn, M.; Jankowska, B.; Catal. Today 2001, 70, 169. 15. Ristic, M.; Popovic, S.; Music, S.; Mater. Lett. 2004, 58, 2658. 16. Narendar, Y.; Messing, G. ... See full document
8
J. Braz. Chem. Soc. vol.23 número4
... In this work, ultrasound was applied to assist emulsification, and Triton X-100 was adopted as disperser solvent and emulsifier in ultrasound-assisted surfactant- enhanced emulsificati[r] ... See full document
8
J. Braz. Chem. Soc. vol.23 número4
... constituents in addition to 6 biosynthetic classes), total phenols, tannins, anthocyanins, reducing sugar and fruit acidity contents were ordered in a species data matrix with rows (4[r] ... See full document
10
J. Braz. Chem. Soc. vol.23 número4
... Exhaust emissions of metals were determined in coarse and fine particulate matter collected in a location characterized by light-duty vehicular flux. The results for coarse particles [r] ... See full document
11
J. Braz. Chem. Soc. vol.23 número4
... The higher chromatographic peak areas of ethyl acetate, ethyl hexanoate and ethyl octanoate were a main contribution for the differentiation of Vale dos Vinhedos samples from other b[r] ... See full document
10
J. Braz. Chem. Soc. vol.23 número4
... The effects of various factors on the poly(2,6-DAP) film formation on the surface of the MWNTs/GCE (such as the amount of monomer scan rate, number of scan, potential window, pH and a[r] ... See full document
9
J. Braz. Chem. Soc. vol.23 número4
... Other experimental conditions are as follows: concentration level at 25 µg L -1 ; 300 rpm stirring rate; 7 µL drop volume; microsyringe needle temperature, 0 °C; sample temperature, 4[r] ... See full document
8
J. Braz. Chem. Soc. vol.23 número4
... A Varian GC-MS-MS system comprising of a CP-3900 gas chromatograph (Walnut Creek, USA) with an 1177 injector, CP-8410 autosampler and an ion-trap mass spectrometry (Varian Saturn 2100T) was used to establish the real ... See full document
8
J. Braz. Chem. Soc. vol.23 número4
... The antioxidant activities and total polyphenolic content of five multifloral and four orange blossom Brazilian honey samples and their phenolic extracts were investigated.. Identificat[r] ... See full document
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