Flavonoids and other bioactive phenolics isolated from Cenostigma macrophyllum (Leguminosae)
摘要：
This work describes the phytochemical study of stem bark and leaves of Cenostigma macrophyllum Tul. ...
doi：
10.1590/S0100-40422012000600013
作 者：
David, Juceni P.;Soa...
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Química Nova
Spectroscopic studies of composite obtained from solid state reaction between a mononuclear vanadium(IV) complex and kaolinite
摘要：
The use of probes, such as paramagnetic species diluted in diamagnetic materials in EPR spectroscopy...
doi：
10.1590/S0100-40422012000200005
作 者：
Universidade Federal...
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Química Nova
Addition of amines to naphthoquinone in water and solid phase
摘要：
Considering all the aspects of the principles of green chemistry, we present herein the addition rea...
doi：
10.1590/S0100-40422012000400037
作 者：
Silva, Bárbara V.;Un...
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Química Nova
Carbonyl and carboxyl compounds determination in petroleum products
摘要：
Although metals and nitrogen/sulfur compounds have been the main concern of the petroleum industry, ...
doi：
10.1590/S0100-40422012000800026
作 者：
Universidade Federal...
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Química Nova
Chemical defense: history, warfare agent classification and action of neurotoxic agents
摘要：
Chemical agents are substances used for their toxic effects on humans, animals and plants. The main ...
doi：
10.1590/S0100-40422012001000033
作 者：
Silva, Gustavo Rocha...
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Química Nova
Licanol, a new flavanol, and other constituents from the Licania macrophylla Benth
摘要：
The phytochemical investigation of L. macrophylla Benth led to the isolation of a new flavanol named...
doi：
10.1590/S0100-40422012000600021
作 者：
Barbosa Filho, José ...
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Química Nova
Chemical speciation of inorganic arsenic in Laguna dos Patos estuary (RS, Brazil)
摘要：
This study optimized and validated a method to perform chemical speciation of inorganic arsenic in w...
doi：
10.1590/S0100-40422012000700021
作 者：
Universidade Federal...
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Química Nova
Development and application of methods for the determination of ivermectin in veterinarian medications
摘要：
Two methods for the determination of Ivermectin in veterinarian medications were developed and compa...
doi：
10.1590/S0100-40422012000300031
作 者：
Costa, Fabio Macedo ...
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Química Nova
Extraction and isolation of dictamnine, obacunone and fraxinellone from Dictamnus dasycarpus Turcz. by supercritical fluid extraction and high-speed counter-current chromatography
摘要：
Supercritical fluid extraction was used to extract active compounds from the Chinese traditional med...
doi：
10.1590/S0100-40422012000200020
作 者：
Zhang, Jinjie;Lin, X...
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Química Nova
Tropical pteridophytes species in association with arbuscular mycorrhizal fungi in arsenic-contaminated soil
摘要：
The symbiosis of plants with mycorrhizal fungi represents an alternative to be considered during the...
doi：
10.1590/S0100-40422012000400010
作 者：
Stürmer, Sidney Luiz...
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Química Nova
