[PDF] Top 20 J. Braz. Chem. Soc. vol.27 número9
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J. Braz. Chem. Soc. vol.27 número9
... A novel room temperature micro-cloud point extraction procedure using triton X-114 surfactant as extracting phase was developed for preconcentration and extraction of three azo dyes (o[r] ... See full document
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J. Braz. Chem. Soc. vol.27 número9
... Voltammetric (electrolyte volume, deposit time, pulse time, pulse amplitude and scan rate) and digestion variables (hydrogen peroxide volume, nitric acid volume and digestion time) wer[r] ... See full document
8
J. Braz. Chem. Soc. vol.27 número9
... Another way to confirm the achieved accuracy is the adjust or fit to the models, represented by the plot of the SOC determined by reference methods against SOC determined by PLS model. It is possible to ... See full document
6
J. Braz. Chem. Soc. vol.27 número9
... was placed onto a vortex mixer for 60 s, and 2 mL of a saturated solution of NaCl were added. Subsequently, 1 mL of the organic phase was injected into the gas chromatograph, and the components were identified by ... See full document
10
J. Braz. Chem. Soc. vol.27 número9
... The orthophosphate released to the water column during leaching can be incorporated into organic matter during the catabolism period, as observed by the increase of phosphomonoesters [r] ... See full document
7
J. Braz. Chem. Soc. vol.27 número9
... where L is the crystallites mean dimension, k is a constant equal to 0.94, λ is Cu Kα radiation wavelength (0.154 nm), β is the full width at half maximum (FWHM) of diffraction peak and θ is the diffraction angle. The ... See full document
8
J. Braz. Chem. Soc. vol.27 número9
... Voltammograms of modified carbon paste electrode (MCPE) with Eichhornia crassipes roots exposed to 2.0 mmol L −1 of (a) Tl + ; and (b) Cd 2+ solutions of different pH values.. Insets[r] ... See full document
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J. Braz. Chem. Soc. vol.27 número9
... efficiency (ME: methanol; ET: ethanol; AN: acetonitrile; AC: acetone); Conditions: sample volume: 10 mL containing 1 µg mL -1 of melamine; extraction solvent volume: 350 µL; extractio[r] ... See full document
10
J. Braz. Chem. Soc. vol.27 número9
... validated for specificity, linearity, limits of detection and quantification, precision, accuracy and robustness and it has shown that taxifolin may be used as a chemical marker for qua[r] ... See full document
9
J. Braz. Chem. Soc. vol.27 número9
... LC-MS/MS is susceptible to matrix effects which can adversely affect quantification depending on the analyte, matrix, sample preparation, instrumentation, and operating conditions. Among the approaches that reduce matrix ... See full document
10
J. Braz. Chem. Soc. vol.27 número9
... N.; Staroverov, V. N.; Keith, T.; Kobayashi, R.; Normand, J.; Raghavachari, K.; Rendell, A.; Burant, J. C.; Iyengar, S. S.; Tomasi, J.; Cossi, M.; Rega, N.; Millam, J. M.; Klene, M.; Knox, ... See full document
10
J. Braz. Chem. Soc. vol.27 número9
... The MD simulations of AgGSTE2, AgGSTE2-I114T/ F120L and AgGSTE5 unveil structural rearrangements of large-amplitude involving three major regions: loop S2-H2 connecting strand S2 and h[r] ... See full document
14
J. Braz. Chem. Soc. vol.27 número9
... 21. Wickens, P.; Zhang, C.; Ma, X.; Zhao, Q.; Amatruda, J.; Bullock, W.; Burns, M.; Cantin, L. D.; Chuang, C. Y.; Claus, T.; Dai, M.; Dela Cruz, F.; Dickson, D.; Ehrgott, F. J.; Fan, D.; Heald, S.; ... See full document
12
J. Braz. Chem. Soc. vol.27 número9
... of 27 potentially active thiazolo[3,2-a]pyrimidine derivatives using reversed phase thin layer chromatography (RP-TLC) and reversed phase high performance liquid chromatography (RP-HPLC) methods and compared them ... See full document
7
J. Braz. Chem. Soc. vol.27 número9
... It was possible to observe that no statistical difference was observed (ANOVA, p > 0.05) by comparison of all methods for samples A, B and C. In addition, agreement with certified values was also obtained, showing the ... See full document
8
J. Braz. Chem. Soc. vol.27 número9
... By using molecular docking simulations, we compared the putative binding mode of the most active compound of this series, 7g , with the crystallographic pose of the ligand suggested [r] ... See full document
10
J. Braz. Chem. Soc. vol.27 número9
... In order to study the emission of vapor-phase polycyclic aromatic hydrocarbons (PAHs) by light-duty vehicles burning gasoline and ethanol blends, air samplings were performed at a parki[r] ... See full document
7
J. Braz. Chem. Soc. vol.27 número9
... was performed to corroborate the experimental results, by predicting the binding mode, relative binding energy of the complex formed between β -carboline derivatives with DNA and to [r] ... See full document
11
J. Braz. Chem. Soc. vol.27 número9
... Due to the existence of few methods for the determination of pesticide residues in grapes and the occurrence of these compounds, this paper describes the optimization and validation o[r] ... See full document
8
J. Braz. Chem. Soc. vol.27 número9
... Indeed, in the first step the immobilized TBHQ at the surface of electrode participates in oxidation reaction in positive potentials and converts to TBQ, therefore, at the beginning o[r] ... See full document
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