Zobrazeno 1 - 10
of 19
pro vyhledávání: '"Yvonne L. Bonzi-Coulibaly"'
Autor:
Jean Claude W. Ouédraogo, Céline Henoumont, Irène Semay, Félix B. Kini, Sophie Laurent, Pascal Gerbaux, Yvonne L. Bonzi – Coulibaly
Publikováno v:
Heliyon, Vol 10, Iss 17, Pp e37273- (2024)
Odontonema strictum (Acanthaceae) leave extract was investigated for its flavonoid content. Column chromatography was used for compound isolation and mass spectrometry was performed using electrospray ionization (ESI) in the negative ion mode for com
Externí odkaz:
https://doaj.org/article/471f94e43e68426486acd13af3c4444b
Autor:
Igor W. Ouédraogo, Michael Boulvin, Robert Flammang, Pascal Gerbaux, Yvonne L. Bonzi-Coulibaly
Publikováno v:
Molecules, Vol 14, Iss 9, Pp 3275-3285 (2009)
Three carbonyl-containing extracts of essential oils from Eucalyptus citriodora (Myrtaceae), Cymbopogon citratus (Gramineae) and Lippia multiflora (Verbenaceae) were used for the preparation of oximes. The reaction mixtures were analyzed by GC-MS and
Externí odkaz:
https://doaj.org/article/512ed2b7b76f4b818c265c9faf0bc5e8
Publikováno v:
Energy, Ecology and Environment. 7:142-153
Manganese oxides loaded cellulose, lignin, and rice husk catalysts were prepared by in situ reduction of permanganate. CV, FT-IR, SEM–EDS, TGA, XPS, and XRD analyses were applied to characterize the obtained catalysts. Mn 2p band deconvolution reve
Autor:
Svitlana L. Nitiéma Yefanova, Jean Claude W. Ouédraogo, Benjamin Ouédraogo, Yvonne L. Bonzi-Coulibaly
Publikováno v:
From Traditional to Modern African Water Management ISBN: 9783031096624
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::38afcfc0c00368736b03729009087384
https://doi.org/10.1007/978-3-031-09663-1_9
https://doi.org/10.1007/978-3-031-09663-1_9
Autor:
Svitlana Nitièma-Yefanova, Siédouba Georges Yé, Gouyahali Son, Roger C. H. Nébié, Yvonne L. Bonzi-Coulibaly
Publikováno v:
IRA-International Journal of Applied Sciences (ISSN 2455-4499). 17:31
Jatropha curcas seed oil can be used for numerous purposes including fuel, soap and cosmetics. Better quality oil is obtained by cold pressing, the effectiveness of which is unfortunately limited by a low extraction rate. The objective of this study
Autor:
Cedric Dicko, Estera Szwajcer Dey, Félix B. Kini, Yvonne L. Bonzi-Coulibaly, Jean Claude W. Ouédraogo
Publikováno v:
The Journal of Supercritical Fluids. 131:66-71
Flavonoids were extracted from Odontonema strictum leaves by supercritical carbon dioxide, with ethanol. The effect of three independents variables (time, pressure and temperature) on the Total Flavonoid Content (TFC) were optimized by factorial inve
Publikováno v:
Materials Sciences and Applications. :94-122
The activity of a catalyst in transestrification reaction usually declines with repeated uses and this limits the possibility to use it many times. This paper presents a review of various techniques used to evaluate the activity changes, the recyclin
Autor:
Yvonne L. Bonzi-Coulibaly, Lucie Coniglio, Svitlana Nitièma-Yefanova, Roger H. C. Nébié, Raphaël Schneider
Publikováno v:
Renewable Energy
Renewable Energy, Elsevier, 2016, 96, pp.881-890. ⟨10.1016/j.renene.2016.04.100⟩
Renewable Energy, Elsevier, 2016, 96, pp.881-890. ⟨10.1016/j.renene.2016.04.100⟩
By starting first at the laboratory scale, optimal operating conditions for the reaction unit aimed at producing ethyl biodiesels from non-edible vegetable oils (NEVO) were determined with the ultimate objective of proposing an on-farm processing tec
Publikováno v:
Comptes Rendus Chimie. 19:857-862
Flavonoids due to their various interesting biological properties such as antifungal activity were investigated in Mentha piperita leaves. The butanolic fraction obtained from the hydro-alcoholic crude extract of M. piperita is rich in flavonoids; it
Autor:
Erol Pehlivan, Igor W. K. Ouédraogo, Samuel Pare, Yvonne L. Bonzi-Coulibaly, Dieter Zachmann, Müfit Bahadir, Hien T. Tran
Publikováno v:
Toxicological & Environmental Chemistry. :1-12
Arsenic (V) adsorption on manganese oxide coated rice wastes was investigated in this study. The modified adsorbents were characterized by Fourier-transform infrared spectroscopy, scanning electron microscopy, and pH measurements to determine the poi