Zobrazeno 1 - 10
of 17
pro vyhledávání: '"Emmanuel Djoufac Woumfo"'
Autor:
Marlène Huguette Tsaffo Mbognou, Stéphanie D. Lambert, Ernestine Mimba Mumbfu, Joachim Caucheteux, Antoine Farcy, Nathalie Fagel, Emmanuel Djoufac Woumfo, Julien G. Mahy
Publikováno v:
Results in Surfaces and Interfaces, Vol 14, Iss , Pp 100183- (2024)
A natural clay from Bakotcha in Cameroon was modified with two silanes, tetramethoxysilane (TMOS) and [3-(2-aminoethyl)aminopropyl]trimethoxysilane (EDAS) to increase its adsorption properties. The modified clay is intended to be used as an efficient
Externí odkaz:
https://doaj.org/article/bfbf2262994f4c919a0cf41e543fdd4e
Autor:
Emmanuel Djoufac Woumfo, Lacina Coulibaly, Tiangoua Kone, Sandotin Lassina Coulibaly, Jean Aimé Mbey, Yoh Coulibaly
Publikováno v:
Journal of Global Ecology and Environment. :40-50
Organic compounds such as humic substances in the natural environment, especially in aquatic environments, are source of environmental problems. The stability of humic compounds in the soil is due to their adsorption on colloid surfaces through react
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8bb7c4fc2c37832ec5ddb9c5a9f87395
https://doi.org/10.56557/jogee/2023/v17i38196
https://doi.org/10.56557/jogee/2023/v17i38196
Autor:
Marlène Huguette Tsaffo Mbognou, Stéphanie D. Lambert, Joachim Caucheteux, Antoine Farcy, Christelle Alié, Nathalie Fagel, Emmanuel Djoufac Woumfo, Julien G. Mahy
Publikováno v:
Journal of Sol-Gel Science and Technology. 105:461-470
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::01f5407f63cd2c43be01a60ae26f59af
https://doi.org/10.1007/s10971-022-06005-6
https://doi.org/10.1007/s10971-022-06005-6
Autor:
Primus Azinwi Tamfuh, Jean Pierre Temga, Emile Temgoua, Emmanuel Djoufac Woumfo, Philemon Zo'o Zame, Milan Stafford Tchouatcha, Georges Martial Ndzana, Dieudonné Bitom, Veronique Kamgang Kabeyene Beyala
Publikováno v:
Journal of Geosciences and Geomatics. 10:1-17
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0b07d52e3c835ccbdca80eace3ed70eb
https://doi.org/10.12691/jgg-10-1-1
https://doi.org/10.12691/jgg-10-1-1
Autor:
Nadine Mofaddel, Flavia Fioresi, Patrick Nkuigue Fotsing, R. Bargougui, Hassan Atmani, Julien Vieillard, Nicolas Brun, Nabil Bouazizi, Emmanuel Djoufac Woumfo, Olivier Thoumire, Franck Le Derf
Publikováno v:
Journal of Materials Science: Materials in Electronics. 30:3942-3951
This paper presents for the first time surface functionalization of cocoa shells (CS) through the covalent grafting of 3-aminopropyltriethoxysilane (APTES) followed by the substitution of poly(dimethylsiloxane) (PDMS) and in situ generation/insertion
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4a176e85af15123eeaed23be02b8cab7
https://doi.org/10.1007/s10854-019-00679-5
https://doi.org/10.1007/s10854-019-00679-5
Autor:
Akenji Lesly Nji, A. Karthikeyan, Marco A. Benítez-Espíndola, Dieudonné Bitom, M. O. Lekdukun, Bilal Ahmed Lone, Melle Maurice Ekane, Sameera Qayoom, E. Yu. Tkachenko, O. A. Nwadike, B. C. Okoro, Sandeep Kumar, Gustavo Alvarado-Kinnell, J. C. Agunwamba, F. A. Akpah, Ify L. Nwaogazie, Angélica M. Bello-Ramírez, Andrew Fowler, Primus Azinwi Tamfuh, Joaquín Pinto-Espinoza, Henry Ojobo, Augusta Ayotamuno, Hiroyuki Harada, Nkwatoh Athanasius Fuashi, Thomas F. Valone, Purshotam Singh, Asma Fayaz, G. R. Senthilkumar, Mehreen Manzoor, Emmanuel Djoufac Woumfo, Adán Reyes-Pavón, F. X. O. Ugodulunwa, Faisal Rasool, Zahoor Ahmad Dar, Romanus Ikfuingei, A. Boukong, Fritz Oben Tabi, Adekunle Olorunlowo David, Najmah Andrabi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ac8be2c801f85961a04bbb9acee0cbd7
https://doi.org/10.9734/bpi/cpecc/v4
https://doi.org/10.9734/bpi/cpecc/v4
Autor:
Julien Vieillard, Patrick Nkuigue Fotsing, Laure Cibien, Alfredo Napoli, Maxime Parot, Emmanuel Djoufac Woumfo, Nicolas Brun, Philippe Gaveau
Publikováno v:
Green Chemistry
Green Chemistry, Royal Society of Chemistry, 2020, 22 (16), pp.5423-5436. ⟨10.1039/d0gc01510e⟩
Green Chemistry, Royal Society of Chemistry, 2020, 22 (16), pp.5423-5436. ⟨10.1039/d0gc01510e⟩
International audience; In this study, we investigated the ionothermal carbonization (ITC) in 1-butyl-3methylimidazolium tetrachloroferrate, [Bmim][FeCl 4 ], of cocoa bean shells, a raw lignocellulosic agrowaste. The beneficial inputs of this ITC app
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::254073617d53e99e3b7ce46fcda77c50
https://hal.umontpellier.fr/hal-02935089
https://hal.umontpellier.fr/hal-02935089
Autor:
Julien G. Mahy, Marlène Huguette Tsaffo Mbognou, Clara Léonard, Nathalie Fagel, Emmanuel Djoufac Woumfo, Stéphanie D. Lambert
Publikováno v:
Catalysts; Volume 12; Issue 2; Pages: 148
Raw clays, extracted from Bana, west Cameroon, were modified with semiconductors (TiO2 and ZnO) in order to improve their depollution properties with the addition of photocatalytic properties. Cu2+ ions were also added to the clay by ionic exchange t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b1866d81cef06c78dabf17256e45bd35
https://doi.org/10.3390/catal12020148
https://doi.org/10.3390/catal12020148
Publikováno v:
African Journal of Agricultural Research. 13:1730-1746
Vertisols are widespread in North Cameroon, but are undercultivated due to difficulties linked to their shrink-swell behaviour under different moisture conditions. Eighteen vertisol samples from five profiles representative of the studied area (Benue
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7e97283fdfb5f57359d76edd4eacbda8
https://doi.org/10.5897/ajar2018.13349
https://doi.org/10.5897/ajar2018.13349
Removal of Cu(II) from aqueous solution using a composite made from cocoa cortex and sodium alginate
Autor:
Jean Mermoz Siéwé, S. Andrada Maicaneanu, Patrick Tsopbou Ngueagni, Constant Tcheka, Julien Vieillard, Emmanuel Djoufac Woumfo, Patrick Nkuigue Fotsing
Publikováno v:
Environmental Science and Pollution Research
Environmental Science and Pollution Research, Springer Verlag, 2020, 27 (8), pp.8451-8466. ⟨10.1007/s11356-019-07206-3⟩
Environmental Science and Pollution Research, Springer Verlag, 2020, 27 (8), pp.8451-8466. ⟨10.1007/s11356-019-07206-3⟩
International audience; The aim of this work was to prepare a composite material based on cocoa cortex and sodium alginate and test it to remove Cu(II) ions in aqueous solution in batch conditions. The composite was characterized using elemental anal
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f234cef9dc755b9433814aaa2fb72768
https://pubmed.ncbi.nlm.nih.gov/31900783
https://pubmed.ncbi.nlm.nih.gov/31900783