Singlet oxygen reactivity in water-rich solvent mixtures

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摘要:
The 3-methylindole (3MI) oxygenation sensitized by psoralen (PSO) has been investigated in 100%, 20%...
doi:
10.1590/S0100-40422008000600022
作 者:
Sá e Melo, Teresa;So...
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Química Nova

Antifungal saponins from Swartzia langsdorffii

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摘要:
Chromatographic fractionation of the EtOH extract from the leaves of Swartzia langsdorffii afforded ...
doi:
10.1590/S0100-40422008000400023
作 者:
Silva, Dulce Helena ...
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Química Nova

Peptide sequencing using mass spectrometry: a practical guide

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摘要:
This paper introduces the basics of peptide mass spectra interpretation applied to proteomics and is...
doi:
10.1590/S0100-40422008000300034
作 者:
Universidade de São ...
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Química Nova

Biological activity of lapachol and some derivatives as antifungal and in seed germination

期刊论文
摘要:
The natural quinones lapachol, 伪-lapachone and 尾-lapachone, and the synthetic derivative 尾-lapachone...
doi:
10.1590/S0100-40422008000700013
作 者:
Ferreira, Aurélio Ba...
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Química Nova

I2: a pedagogical molecule

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摘要:
Iodine vapor is a very suitable substance to learn about molecular energy levels and transitions, an...
doi:
10.1590/S0100-40422008000400033
作 者:
Sala, Oswaldo;Univer...
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Química Nova

Performance characteristics of bioassay UV-spectrophotometry and high perfomance liquid chromatographic determination of gatifloxacin in tablets

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摘要:
The microbiological bioassay, UV-spectrophotometry and HPLC methods for assaying gatifloxacin in tab...
doi:
10.1590/S0100-40422008000700039
作 者:
Lopes, Cristiani Cap...
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Química Nova

Non-destructive determination of total nitrogen in plants by diffuse reflectance near infrared spectroscopy

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摘要:
Diffuse reflectance near-infrared (DR-NIR) spectroscopy associated with partial least squares (PLS) ...
doi:
10.1590/S0100-40422008000300039
作 者:
Andrade, João Carlos...
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Química Nova

Biomassa renovável e o futuro da indústria química

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摘要:
doi:
10.1590/S0100-40422008000800001
作 者:
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Química Nova

Synthesis, structure and physicochemical properties of zinc and copper complexes based on sulfonamides containing 8-aminoquinoline ligands

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摘要:
Sulfonamides obtained by reaction of 8-aminoquinoline with 4-nitrobenzenesulfonylchloride and 2,4,6-...
doi:
10.1590/S0100-40422008000500044
作 者:
Joussef, Antonio Car...
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Química Nova

Characterization and classification of granitic rock powder solid waste produced by ornamental rock industry

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摘要:
The ornamental rock industry generates huge amounts of wastes during the process of extraction and s...
doi:
10.1590/S0100-40422008000600005
作 者:
Holanda, José Nilson...
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Química Nova
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