A New fatty acid and some triterpenoids from propolis of Nkambe (North-West Region, Cameroon) and evaluation of the antiradical scavenging activity of their extracts

Autor: Mahamat Abakar Ali, Nyemb Jean Noël, Gade Isaac Silvère, Ngenge Alfred Tamfu, Talla Emmanuel, Céline Henoumont, Sophie Laurent, Mbafor Joseph Tanyi

Publikováno v: Open Chemistry, Vol 18, Iss 1, Pp 239-243 (2020)

The aim of this work was to evaluate in vitro antiradical scavenging activity of propolis from Nkambe (North-West, Cameroon). The polyphenol content of the acetone extract was evaluated using the Folin-Ciocalteu reagent as 0.166±0.008 gGAE/100 gRM.

Externí odkaz: https://doaj.org/article/a68c1ed8b72f424cb952b17cba1bd2b1

GEOTECHNICAL STUDY AND PHYSICO-CHEMICAL CHARACTERIZATION OF SOILS OF THREE QUARRIES IN THE CITY OF ABECHE IN CHAD

Autor: M.S. Abdel-Khadir, A. Dadi Mahamat, Abakar Ali, Mahamoud.Y.K And S. Gaye

This article focus on the geotechnical and physicochemical studies of soils from three sites in the city of Abéché. The article presents the locations of the sampling sites, experimental devices, and some physical parameters. Prior to the geote

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::164c6d0b0b2a8b6fdf26bd905ef65545

A New fatty acid and some triterpenoids from propolis of Nkambe (North-West Region, Cameroon) and evaluation of the antiradical scavenging activity of their extracts

Autor: Joseph Tanyi Mbafor, Jean Noël Nyemb, Abakar Ali Mahamat, Henoumont Celine, Emmanuel Talla, Isaac Silvère Gade, Laurent Sophie, Alfred Tamfu Ngenge

Publikováno v: Open Chemistry, Vol 18, Iss 1, Pp 239-243 (2020)

The aim of this work was to evaluatein vitroantiradical scavenging activity of propolis from Nkambe (North-West, Cameroon). The polyphenol content of the acetone extract was evaluated using the Folin-Ciocalteu reagent as 0.166±0.008 gGAE/100 gRM. An

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::16d8060e2c3c7d767e51c79d3848141b
https://doi.org/10.1515/chem-2020-0016

Mechanical and thermophysical characterization of local clay-based building materials

Autor: Abdallah Dadi Mahamat, Riad Benelmir, Jean Louis Tanguier, André Donnot, Abakar Ali

Publikováno v: 2020 5th International Conference on Renewable Energies for Developing Countries (REDEC)
2020 5th International Conference on Renewable Energies for Developing Countries (REDEC), Jun 2020, Marrakech, France. pp.1-6, ⟨10.1109/REDEC49234.2020.9163861⟩

International audience; —The work we present is a comparative study based on an experimental approach to the mechanical and thermal properties of different local clay-based building materials with the incorporation of agricultural waste in Chad. Th

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::176f8c0340f807dbf0928de91278a600
https://hal.univ-lorraine.fr/hal-02982003

Caractérisation mécanique des BTC stabilisée par de la gomme arabique

Autor: ALI, Abakar, Abakar, Ali, Jean - Louis, TANGUIER, Riad BENELMIR et Abdoulaye Saleh, TODJIBAL

Publikováno v: Afrique Science
Afrique Science, 2018, 15 (1813-548X)

International audience; Ce travail porte sur la valorisation de matériaux locaux disponibles au Tchad sans effet négatif sur l'environnement. Il concerne la détermination des caractéristiques Mécaniques de Blocs de Terre Comprimée (BTC). La gom

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::83a095e7655dcd4f4872421767d3245e
https://hal.univ-lorraine.fr/hal-02982938