Electroanalysis of acetaldehyde derivatized with hydrazine and determination in fuel ethanol by square wave voltammetry

期刊论文
摘要:
A square wavevoltammetric method is described for the determination of acetaldehyde usingthe derivat...
doi:
10.1590/S0100-40422006000400007
作 者:
Barros, Aquiles A.;S...
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Quimica nova

Essential oil of Gochnatia polymorpha (Less) Cabr. ssp floccosa Cabr.

期刊论文
摘要:
The essentialoil isolated by hydrodistillation from flowers and root bark of Gochnatiapolymorpha (Le...
doi:
10.1590/S0100-40422006000500021
作 者:
Stefanello, Maria Él...
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Quimica nova

Monolithic stationary phases for chromatographic separations

期刊论文
摘要:
Monolithic stationaryphases represent a new generation of chromatographic separation media. Thesepha...
doi:
10.1590/S0100-40422006000200022
作 者:
Jardim, Isabel C. S....
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Quimica nova

Aqueous two-phase systems: fundamentals and applications for partitioning/purification of proteins

期刊论文
摘要:
By the year 2005 the world biochemical market will reach an estimated $ 100billion and separation pr...
doi:
10.1590/S0100-40422006000600033
作 者:
Loh, Watson;Silva, L...
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Quimica nova

Using activated carbon to remove copper from sugar cane spirit

期刊论文
摘要:
Copper contentis of great concern among sugarcane-spirit producers. It is released from copper-maded...
doi:
10.1590/S0100-40422006000200014
作 者:
Guerreiro, Mário Cés...
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Quimica nova

Nitrate and nitrite determination in fish skin teas employed for asthma treatment in the southern region of Rio Grande do Sul

期刊论文
摘要:
The objectiveof this paper was to determine nitrate and nitrite anions in toasted fish skintea, whic...
doi:
10.1590/S0100-40422006000500002
作 者:
Bastos, Ademir Larre...
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Quimica nova

A convenient method for the determination of moisture in aromatic plants

期刊论文
摘要:
Amethod is proposed for the determination of the moisture content of aromaticplants. This method is ...
doi:
10.1590/S0100-40422006000200031
作 者:
Morais, Augusto Rama...
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Quimica nova

Validation of analytical method to determine ε-caprolactam migration from packagings to fatty food

期刊论文
摘要:
蔚-Caprolactam(CAP) is a monomer of nylon 6 used as food packaging for bologna sausage, turkeyblanque...
doi:
10.1590/S0100-40422010000500020
作 者:
Abrantes, Shirley de...
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Quimica nova

Metabolism, oxidation and biological implications of docosahexaenoic acid in neurodegenerative diseases

期刊论文
摘要:
Docosahexaenoicacid (C22:6, n-3, DHA) is a polyunsaturated fatty acid (PUFA) presentin large concent...
doi:
10.1590/S0100-40422011000800021
作 者:
Miyamoto, Sayuri;Der...
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Quimica nova

CARYOPTERIS ODORATA: A RICH SOURCE OF ANTIOXIDANTS FOR PROTECTION AGAINST CHRONIC DISEASES AND FOOD PRODUCTS

期刊论文
摘要:
This study was designed to examine the in vitro antioxidant potential of the different fractions of ...
doi:
10.4067/S0717-97072011000200012
作 者:
RIAZ, TAUHEEDA;SIDDI...
作者机构:
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期刊标题:
Journal of The Chilean Chemical Society
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