A new polyacetylene from Vernonia scorpioides (Lam.) Pers. (Asteraceae) and its in vitro antitumoral activity

期刊论文
摘要:
The dichloromethane fraction obtained from hydroalcoholic crude extract of leaves and flowers of Ver...
doi:
10.1590/S0103-50532009000700018
作 者:
Biavatti, Maique W.;...
作者机构:
期刊编号:
期刊标题:
Journal of the Brazilian Chemical Society

A Fragmentation study of di-acidic mycosporine-like amino acids in electrospray and nanospray mass spectrometry

期刊论文
摘要:
Two mycosporine (MAAs), containing an extra acid function, were analyzed by nanospray and electrospr...
doi:
10.1590/S0103-50532009000900009
作 者:
Cardozo, Karina H. M...
作者机构:
期刊编号:
期刊标题:
Journal of the Brazilian Chemical Society

Influences of heat treatment on the structure and electrochemical properties of Mg0.9Ti0.1Ni hydrogen storage alloys

期刊论文
摘要:
In the present study, the effects of heat treatment on the structures and electrochemical properties...
doi:
10.1590/S0103-50532009000900010
作 者:
Central South Univer...
作者机构:
期刊编号:
期刊标题:
Journal of the Brazilian Chemical Society

On-line identification of minor flavones from sugarcane juice by LC/UV/MS and post-column derivatization

期刊论文
摘要:
This work describes the on-line characterization of minor flavones from sugarcane (Saccharum officin...
doi:
10.1590/S0103-50532009000900003
作 者:
Queiroz, Emerson F.;...
作者机构:
期刊编号:
期刊标题:
Journal of the Brazilian Chemical Society

Electrical and magnetic properties of quaternary rare earth thiophosphate: K4Sm2[PS4]2[P2S6]

期刊论文
摘要:
The quaternary alkali metal, rare earth thiophosphate phase K4Sm2[PS4]2[P2S6] was synthesized by cer...
doi:
10.1590/S0103-50532009000800017
作 者:
Galdámez, Antonio;Un...
作者机构:
期刊编号:
期刊标题:
Journal of the Brazilian Chemical Society

A microdigestion procedure directly performed in the autosampler cups for the determination of trace elements in biological samples by GF AAS

期刊论文
摘要:
A microdigestion procedure for the determination of Cd and Cu in biological samples by graphite furn...
doi:
10.1590/S0103-50532009001000023
作 者:
Jerez Vegueria, Serg...
作者机构:
期刊编号:
期刊标题:
Journal of the Brazilian Chemical Society

Particle-associated polycyclic aromatic hydrocarbons and their dry deposition fluxes from a bus-station in the Rio de Janeiro metropolitan area, Brazil

期刊论文
摘要:
Total particulate matter and PM10 samples were collected from August 2006 to February 2007 in Mayor ...
doi:
10.1590/S0103-50532009000900002
作 者:
Machado, Mauro C. S....
作者机构:
期刊编号:
期刊标题:
Journal of the Brazilian Chemical Society

Comparison of diode array and electrochemical detection in the C30 reverse phase HPLC analysis of algae carotenoids

期刊论文
摘要:
Qualitative and quantitative determination of carotenoids pigments can provide valuable information ...
doi:
10.1590/S0103-50532009000900007
作 者:
Cardozo, Karina H. M...
作者机构:
期刊编号:
期刊标题:
Journal of the Brazilian Chemical Society

Microwave-assisted reaction of 2,3-dichloronaphthoquinone with aminopyridines

期刊论文
摘要:
The synthesis of pyridylaminonaphthoquinones by microwave-assisted reaction of 2,3-dichloro-1,4-naph...
doi:
10.1590/S0103-50532009000500027
作 者:
Pontificia Universid...
作者机构:
期刊编号:
期刊标题:
Journal of the Brazilian Chemical Society

Dissociation of molecular aggregates under high hydrostatic pressure: the influence of water structure on Benzene cluster solubility

期刊论文
摘要:
In some critical conditions water can solvate hydrophobic molecules, becoming a powerful solvent for...
doi:
10.1590/S0103-50532009000700005
作 者:
Caffarena, Ernesto R...
作者机构:
期刊编号:
期刊标题:
Journal of the Brazilian Chemical Society
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