2025
article
OpenAlex
Carlos Chaccour, Marta F. Maia, Paula Ruiz-Castillo, Caroline Wanjiku et autres
BACKGROUND: Malaria control and elimination is threatened by the spread of insecticide resistance and behavioral adaptation of vectors. Whether mass administration of ivermectin, a broad-spectrum antiparasitic drug that also kills mosquitoes feeding on treated persons, can reduce malaria transmission is unclear. METHODS: …
es, kh, Kenya, us, Mozambique, Nigéria, ch
(code pays fourni par la source)
Accès ouvert
2023
article
OpenAlex
Kenneth Oborah, N. O. Hashim, Charles M. Migwi, Charles Rotich
Natural radioactive materials in certain conditions can get to hazardous radiological level. The aim of the present work was to evaluate the natural activity concentration from sampled building materials collected from different locations in Babadogo Estate within Nairobi City County. The analysis …
Kenya
(code pays fourni par la source)
Accès ouvert
2021
article
OpenAlex
Willis Otieno Gor Odongo, Margaret Chege, N. O. Hashim, Shinji Tokonami et autres
The areas around Homa and Ruri hills in Homa Bay County in Kenya are associated with high background radiation levels. The activity concentration of the natural radionuclides (226Ra, 232Th, and 40K) in earthen building materials used in the areas of Homa and …
Kenya, jp
(code pays fourni par la source)
2020
article
OpenAlex
Charles Rotich, N. O. Hashim, Margaret Chege, Catherine Nyambura
The activity concentration of soil samples of Bureti sub-county was measured using thallium-activated sodium iodide detector. To ascertain the level of radiation hazard to the public, gamma radiation dose rates were also estimated. The average activity concentration due to 40K, 226Ra and …
Kenya
(code pays fourni par la source)
2020
article
OpenAlex
Charles Rotich, N. O. Hashim, Margaret Chege, Catherine Nyambura
The activity concentration of radon in underground water of Bureti sub-county was measured using liquid scintillating counter device. The average radon activity concentration in all the water samples was 12.41 Bql-1. The maximum and minimum activity concentrations of radon were 22.5 and …
Kenya
(code pays fourni par la source)
Accès ouvert
2015
article
OpenAlex
Charles Rotich, Ruth Nyangacha, Sabina Wachira, Moses Ngeiywa et autres
Background: Resistance development to antimalarial drugs necessitates the look at traditional medicinal plants as sources of novel compounds that could have the otential to be developed into new antimalarial therapies. Four medicinal plants used in Kenya to treat malaria were investigated. Objective: …
Kenya
(code pays fourni par la source)
2015
dissertation
OpenAlex
Charles Rotich
2015
dissertation
OpenAlex
Charles Rotich