J. Braz. Chem. Soc. vol.25 número1

respectively. The values found are quite low, and such values cannot be reliably obtained with other methods using biological and microbiological processes. Thus, the results

The in vitro activity of chelerythrine and lupeol, two metabolites isolated from Zanthoxylum rhoifolium were studied against the venom of the snake Bungarus sindanus (Elapidae)..

The compound 8a having no substitution on the phenyl ring attached to 1,3,4-oxadiazole ring showed good antifungal activity against Penicillium marneffei.. and

Furthermore, single crystal X-ray diffraction study indicates that the electrons are delocalized and inter-, intramolecular hydrogen bonds are displayed in the molecular system.

Aquatic humic substances with and without fractionation from an area influenced by sugarcane cultivation showed higher quantity of aromatic groups and indicated to be originated

Figure 5 shows the Raman spectra of the CNT samples obtained during the pyrolysis of methane via thermal plasma using different catalysts in the reactor.. 18 The D band is

It is evident from calculated HOMO-LUMO energies (Figure 6) that all 6-aminocoumarin-naphthoquinone conjugates behave as push-pull systems and that fluorescence quenching for

External calibration curves were prepared with mineral oil in formic acid and Triton X-100 and the analyte addition curves were prepared by spiking the emulsions of the biodiesel