J. Braz. Chem. Soc. vol.17 número7

Brazilian tropical Latosol soil samples were thermally analyzed associating thermogravimetric (TG) and differential scanning calorimetric (DSC) techniques under synthetic air or

In this study a spectrophotometric method for the determination of the trace amounts of dopamine, methyldopa and levodopa has been introduced based on their oxidation reaction

Compound 2 was screened in vitro in seven human cancer cell lines, MCF7 and EVSAT (mammary cancers), WiDr (colon cancer), IGROV (ovarian cancer), M19 (melanoma), MEL A498

The phytochemical study of the stem bark of Aspidosperma nitidum led to the isolation of a new type of indole alkaloid with a 1,2,9-triazabicyclo[7.2.1] system, which has been

The methanolysis of soybean oil carried out in the presence of solid 3 achieved a conversion yield of 30% after 4 h using the same experimental conditions as used when solids 1 and

In Table 3, the major interfering ions (just a gross relative comparison), dynamic linear range, the detection limit and response time of the proposed electrode are compared with

Curso de Pós-Graduação em Química Orgânica, Departamento de Química Orgânica e Inorgânica, Universidade Federal do Ceará, CP 12.200, 60455-760 Fortaleza-CE, Brazil. Setor de

Thus, at first, FPD was used as a neutral carrier to prepare PVC-based membrane electrodes for a variety of trivalent transition metal ions, including lanthanum, cerium,