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nauclea latifolia/dióxido de silício
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4 resultados
[Triterpenes and sterols from Nauclea latifolia].
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OBJECTIVE
To investigate the chemical constituents of Nauclea latifolia, which is an African folk medicine and collected from Guinea.
METHODS
The chemical constituents were isolated by silica gel and Sephadex LH-20 column chromatographies, and structurally elucidated by spectral evidence together
[Chemical constituents of Nauclea officinalis].
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In order to study the chemical constituents in the water extract of the stem of Nauclea officinalis, column chromatography over D101 macroporous resin and silica gel and an automatic purification system were used to isolate and purify the chemical constituents from the extract. Nine compounds were
[A new indole alkaloid glycoside from stems of Nauclea officinalis].
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OBJECTIVE
To investigate the chemical constituents of water-soluble part of stem of Nauclea officinalis.
METHODS
The compounds were isolated and purified by resins, silica gel, and Sephadex LH20 column chromatography repeatedly, and their structures were identified by spectral
Hybrid materials from agro-waste and nanoparticles: implications on the kinetics of the adsorption of inorganic pollutants.
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This study is a first-hand report of the immobilization of Nauclea diderrichii seed waste biomass (ND) (an agro-waste) with eco-friendly mesoporous silica (MS) and graphene oxide-MS (GO + MS) nanoparticles, producing two new hybrid materials namely: MND adsorbent for agro-waste modified with MS and
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* Todas as informações são baseadas em pesquisas científicas publicadas
