J. Braz. Chem. Soc. vol.21 número9

For this purpose, internal standard and standard addition methods were used for the measurement of 2,6-DCP in the hexane extract of attractive females from two

In this study, we have shown by using electrochemical impedance spectroscopy and surface plasmon resonance that peroxidase enzyme adsorbed on the ds-DNA layer on modiied

Subsequently, after a review of the literature and attempting to obtain aromatic pyrazoles for further biological assays, we chose thionyl chloride/ pyridine as

This step comprised the evaluation of the effect of the solvent nature, investigation of the influence of the reagent concentration and evaluation of the time required

The oil constituents including biosynthetic classes and total phenol/tannin contents (treated as species data set) and soil parameters and foliar nutrients (environmental

Though the nature of catalytic species generated in situ is not known when the reaction was performed in the absence of PPh 3 affording the desired product in 15%

Stripping Voltammetric Determination of Cadmium in Sea Water using a Carbon Paste Electrode Modiied with Alginic Acid from Brown Algae.. Carolina Muñoz,* Manuel Zúñiga and

Initially, to different flasks containing aqueous solutions of chitosan (0.8 g in 0.1%, m/v chloridric acid) sulfosuccinic acid was added to obtain a inal composition range of