A new class of dihaloquinolones bearing N'-aldehydoglycosylhydrazides, mercapto-1,2,4-triazole, oxadiazoline and a-amino ester precursors: synthesis and antimicrobial activity
摘要:
Reaction of the quinolones 6-8 with hydrazine afforded the hydrazide 9-11 in moderate yields. Conden...
doi:
10.1590/S0103-50532003000500014
作 者:
Al-Masoudi, Najim A....
作者机构:
期刊编号:
期刊标题:
Journal of the Brazilian Chemical Society
Rhodium-Prussian Blue modified carbon paste electrode (Rh-PBMCPE) for amperometric detection of hydrogen peroxide
摘要:
Prussian Blue was deposited at carbon paste electrode surface from a solution containing 2.0 x 10-3 ...
doi:
10.1590/S0103-50532003000400010
作 者:
Serrano, Silvia H. P...
作者机构:
期刊编号:
期刊标题:
Journal of the Brazilian Chemical Society
Determination of catecholamines in pharmaceutical formulations using a biosensor modified with a crude extract of fungi laccase (Pleurotus ostreatus)
摘要:
A carbon paste biosensor modified with a crude enzymatic extract of the Pleurotus ostreatus fungi as...
doi:
10.1590/S0103-50532003000200018
作 者:
Barbosa, Aneli de M....
作者机构:
期刊编号:
期刊标题:
Journal of the Brazilian Chemical Society
Electrocatalytic and voltammetric determination of sulfhydryl compounds through iron nitroprusside modified graphite paste electrode
摘要:
Iron nitroprusside Fe(II)NP was incorporated into a carbon paste electrode and the electrochemical s...
doi:
10.1590/S0103-50532003000400019
作 者:
Carmo, Devaney R. do...
作者机构:
期刊编号:
期刊标题:
Journal of the Brazilian Chemical Society
Effect of carboxylate compounds on the electrochemical behavior of dopamine at a mercury electrode
摘要:
The electrochemical oxidation of dopamine leads to deposition of polymeric films on the surfaces of ...
doi:
10.1590/S0103-50532003000400012
作 者:
Carvalho, Rosangela ...
作者机构:
期刊编号:
期刊标题:
Journal of the Brazilian Chemical Society
An efficient and environmentally benign chemical synthesis of testolactone
摘要:
A comparative study of two approaches for the chemical synthesis of the biologically interesting ste...
doi:
10.1590/S0103-50532003000600013
作 者:
Consejo Nacional de ...
作者机构:
期刊编号:
期刊标题:
Journal of the Brazilian Chemical Society
Chemical and aroma determination of the pulp and seeds of murici (Byrsonima crassifolia L.)
摘要:
Murici (Byrsonima crassifolia L., Malpighiaceae), a small, tropical fruit, very popular in Brazil, h...
doi:
10.1590/S0103-50532003000300014
作 者:
Rezende, Claudia M.;...
作者机构:
期刊编号:
期刊标题:
Journal of the Brazilian Chemical Society
Preparation and voltammetric characterization of electrodes coated with Langmuir-Schaefer ultrathin films of Nafion®
摘要:
Ultrathin films of Nafion庐 perfluorinated polymer were deposited on indium-tin oxide electrodes (ITO...
doi:
10.1590/S0103-50532003000400005
作 者:
Ugo, Paolo;Bertoncel...
作者机构:
期刊编号:
期刊标题:
Journal of the Brazilian Chemical Society
Electrodeposition of gold from formaldehyde-sulfite baths: bath stability and deposits characterization
摘要:
It was investigated Au(I)-sulfite baths containing formaldehyde. As a result, high stability was ach...
doi:
10.1590/S0100-40422011000400017
作 者:
Santos Filho, Sebast...
作者机构:
期刊编号:
期刊标题:
Química Nova
An example of raman microscopy application in the authentication of artworks
摘要:
In the present work, Raman Microscopy was employed in the characterization of the pigments used in a...
doi:
10.1590/S0100-40422011000800005
作 者:
Faria, Dalva Lúcia A...
作者机构:
期刊编号:
期刊标题:
Química Nova