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Now showing items 1091-1100 of 1144
Microplastic pollution in the surface waters of creeks along the Kenyan coast, Western Indian Ocean (WIO)
(WIOMSA, 2021-04-02)
Microplastic pollution has been recognized as a global threat in marine environments and a danger to prey, predators and humans. Yet there have been limited studies in the Western Indian Ocean (WIO) and along the Kenyan
coast ...
Dietary preference of cheetahs ( Acinonyx jubatus) in south-eastern Kenya
(University of Nairobi, 2022-03)
The conversion of natural ecosystems due to anthropogenic activities has led to the destruction of natural habitats and to the deterioration of habitat quality. Top predators particularly respond sensitively to changes in ...
Signatures of selection and drivers for novel mutation on transmission-blocking vaccine candidate Pfs25 gene in western Kenya
(University of Nairobi, 2022-04)
Background: Leading transmission-blocking vaccine candidates such as Plasmodium falciparum surface protein 25 (Pfs25 gene) may undergo antigenic alterations which may render them ineffective or allele-specific. This study ...
Molecular Survey of Babesia Parasites in Kenya: First Detailed Report on Occurrence of Babesia Bovis in Cattle
(University of Nairobi, 2022)
Background: Among protozoan parasites in the genus Babesia, Babesia bigemina is endemic and widespread in the East African region while the status of the more pathogenic Babesia bovis remains unclear despite the presence ...
Synthesis of a pyrrolidine derivative of a carvotacetone and monoterpenes for anti-methicillin-resistant Staphylococcus aureus and anti-cryptococcal properties
(University of Nairobi, 2022-05)
Monoterpene derivatives are of great biological relevance in the pharmaceutical industry. In the present study, pyrrolidine derivative of a carvotacetone, 3-O-benzylcarvotacetone (1), and selected monoterpenes (3-hydroxy ...
Behavioral Responses of Pyrethroid Resistant and Susceptible Anopheles Gambiae Mosquitoes to Insecticide Treated Bed Net
(University of Nairobi, 2022)
Background
Long-lasting insecticidal nets are an effective tool in reducing malaria transmission. However, with increasing insecticide resistance little is known about how physiologically resistant malaria vectors behave ...
Pentavalent vaccination in Kenya: coverage and geographical accessibility to health facilities using data from a community demographic and health surveillance system in Kilifi County
(University of Nairobi, 2022-04)
Background: There is substantial evidence that immunization is one of the most significant and cost-effective pillars of preventive and promotive health interventions. Effective childhood immunization coverage is thus ...
A new gnidiflavanone-flavonol dimer and other constituents from Gnidia apiculata
(University of Nairobi, 2022-04)
A new 3,8''-flavanone-flavonol dimer gnidiflavanone-flavonol (1) and 10 known compounds (2-11), including four rare primula-type flavones 2-5, were isolated from the roots of Gnidia apiculata. Compounds 2-5 and 7 were ...
Ultrasensitive detection of plant hormone abscisic acid-based surface-enhanced Raman spectroscopy aptamer sensor
(University of Nairobi, 2022-03)
Abscisic acid (ABA), as the most common plant hormone in the growth of wheat, can greatly affect the yield when its levels deviate from normal. Therefore, highly sensitive and selective detection of this hormone is greatly ...
Flavanols from Tetrapleura tetraptera with cytotoxic activities
(University of Nairobi, 2022-05)
Tetrapleura tetraptera is a medicinal plant used in East and West Africa to treat inflammation and related diseases. From the stem bark of the plant, three previously undescribed flavan-3-ol derivatives named (2R,3S)-3,3 ...