• Antimycobacterial Activity, Cytotoxicity and Phytochemical Screening of Organic Extracts of Commiphora Africana Stem Bark from Kenya 

  Mwangi, C.; Nimbeshaho, F.; Abdulai, Y.; Chacha, M.R.; Ndirangu, Ephantus G.; Ajaiyeoba, E.O.; Kigondu, E.V.M. (East African Scholars Publisher, 2020-04)

  Tuberculosis (TB) is a communicable disease that kills approximately three million people annually. Efforts to treat the disease have been made difficult due to the development of drug-resistant strains and co-infection ...
• Characterization of Immunogenic Soluble Crude Proteins from Biomphalaria Pfeifferi Against Schistosoma mansoni 

  Kuria, Kennedy M.; Opiyo, Sylvia A. (2020-06-30)

  Schistosomiasis is the second most prevalent tropical disease in the world after malaria. Chemotherapy and molluscicides which are the main methods of control do not give lasting protection as the disease continues to ...
• Effectiveness of community health workers in improving early initiation and exclusive breastfeeding rates in a low-resource setting: A cluster-randomized longitudinal study 

  Mungiria, D. M.; Tuitoek, Prisca J.; Varpolatai, A.; Ngotho, D.; Murage, E. K. (Wiley Periodicals, Inc., 2020-04)

  Little evidence exists in Kenya on the potential of community health workers (CHWs) in promoting exclusive breastfeeding (EBF) and early breastfeeding initiation (EBI) in resource‐restricted settings where very low EBF ...
• Chemical composition and repellency of Nigella sativa L. seed essential oil against Anopheles gambiae sensu stricto 

  Ndirangu, Ephantus G.; Opiyo, Sylvia A.; Ng'ang'a, M. W. (2020-04)

  Malaria which is caused by the Plasmodium parasite and transmitted through bites of infected female Anopheles mosquitoes is an important public health concern in Africa. Insect repellents are commercially available but ...
• Repellent Properties of Compounds and Blends from Nigella sativa Seeds Against Anopheles gambiae 

  Ndirangu, Ephantus G.; Opiyo, Sylvia A.; Ng'ang'a, M. W. (Scientific & Academic Publishing, 2020-02)

  Malaria, transmitted to humans by the bites of infected Anopheles mosquitoes is a public health concern. Some available repellents against the insect have adverse effects on humans and environment. This study determined ...
• Flavonol glycosides with insecticidal activity from methanol extract of Annona mucosa Jacq. leaves 

  Makenzi, A. M.; Manguro, L. O. A.; Owour, P. O.; Opiyo, Sylvia A. (2019-12)

  Three flavonoids, quercetin 3-O-β-D-glucoside (1), quercetin 3-O-α-Darabinoside (2) and kaempferol 3-O-β-D-galactoside (3) were isolated from the methanol extract of the leaves of Annona mucosa Jacq. Their structures were ...
• Monitoring the extraction of copper from chicken dung leachate using analuminium electrode as an indicator 

  Kugeria, P. M.; Mwangi, I. W.; Muthengia, J. W.; Njoroge, Peter W. (Elsevier Ltd., 2019-11)

  Copper is found in several minerals in the earth's crust with varying the elemental and mineralogical composition.Several techniques of extraction have been investigated all in the effort of obtaining a cheaper and viable ...
• Some Antibacterial and Antifungal Compounds from Root Bark of Rhus natalensis 

  Njoroge, Peter W.; Opiyo, Sylvia A. (Scientific & Academic Publishing, 2019-09)

  Phytochemical studies on Rhus natalensis root bark collected from Iten, Kenya led to isolation and characterization of five compounds namely epicatechin (1), 3-sitosterol (2), 3-sitosterol glucoside (3),stigmasterol (4) ...
• Characterization of Clays from selected sites for Refractory Application 

  Lomertwala, H. M.; Njoroge, Peter W.; Opiyo, Sylvia A.; Ptoton, Brian M. (2019-11)

  Clay is a stony or earthy mineral aggregate composed of fine-grained minerals, which are plastic at appropriate water content and hardens up when fired. Clay soils have various mineral groups such as kaolinite, smectites, ...
• Antimicrobial Activity of Root Bark Extracts of Rhus natalensisa and Rhus ruspolii 

  Njoroge, Peter W.; Opiyo, Sylvia A. (Scientific & Academic Publishing, 2019-08)

  Bacteria and fungi are frequent causes of serious opportunistic infections worldwide. Several effective antibiotic drugs are in the market. However, drug-resistance, side effects and cost of such antibiotics limits their ...
• Mathematical Modeling of Infectious Disease Transmission Dynamics in a Metapopulation 

  Mutuguta, John W.; Rotich, T.; Chepkwony, I. (iosr journals, 2019-11)

  Epidemic modeling is an important theoretical approach for investigating the transmission dynamics of infectious diseases. It formulates mathematical models to describe the mechanisms of disease transmissions and dynamics ...
• Mathematical Modeling of the Transmission Dynamics of Measles under the Effect of Vaccination. 

  Mutuguta, John W.; Rotich, T.; Chepkwony, I. (iosr journals, 2019-08)

  Measles virus is a member paramyxoviridae within the genus of morbillivirus. Its genome consist of approximately 16,000 bases of non-segmented single stranded negative sense RNA. This means that the virus is transcribed ...
• Turbulent Natural Convection in an Enclosure with Colliding Boundary Layers 

  Mutuguta, John W. (2018)

  When a heated plate is exposed to ambient room air without an external source of motion, a movement of air is experienced as a result of density gradients near the plate. This process is known as natural convection. The ...
• Chemical Constituents of Ocimum Kilimandscharicum Guerke Acclimatized In Kakamega Forest, Kenya 

  Makenzi, A. M.; Manguro, L. O. A.; Owuor, P. O.; Opiyo, Sylvia A. (Chemical Society of Ethiopia, 2019-10)

  The genus Ocimum belongs to the Lamiaceae family and is made of almost 200 species of herbs and shrubs which have potential medicinal properties. The species are native to the tropical and temperate climate zones around ...
• A review of 13C NMR spectra of drimane sesquiterpenes 

  Opiyo, Sylvia A. (2019-09)

  Drimane sesquiterpenes are important group of phytochemicals with a wide range of medicinal properties including antibacterial, antifungal, anti-inflammatory, antioxidant, antiplasmodial, antileishmanial, molluscicidal, ...
• Dynamics of 2014 Ebola Epidemic in West Africa 

  Mutuguta, John W.; Rotich, T.; Chepkwony, I. (Mathematical Theory and Modeling, 2019)

  Ebola Virus disease 1s transmitted from human to human through physical contact of body fluid of infected or dead case It can also be transmitted indirectly through contact with contaminated surfaces. This risk is however ...
• Chemical Constituents of Essential Oils from Three Eucalyptus Species Acclimatized in Ethiopia and Kenya 

  Manguro, L. A. O.; Opiyo, Sylvia A.; Asefa, A.; Dagne, E.; Muchori, P. W. (2014-11)

  Essential oils obtained by steam distillation of three Eucalyptus species acclimatized in Ethiopia and Kenya were analyzed using GC and GC-MS. The species were Eucalyptus citriodora, Eucalyptus globulus and Eucalyptus ...
• Analgesics from Lonchocarpus eriocalyx Harms 

  Ochung, A. A.; Owuor, P. O.; Manguro, L. A..O.; Ismael, I. O.; Nyunja, R. A.; Ochieng, C. O.; Opiyo, Sylvia A. (2018-12)
• Copper extraction by wet chemical method 

  Njoroge, Peter W.; Kugeria, Peterson Mutembei.; Mwangi, Isaac .; Wachira, Jackson. (Journal of Sustainable Mining, 2018)
• Spatial modeling of HIV and HSV-2 among women in Kenya with spatially varying coefficients 

  Okango, Elphas L.; Mwambi, Henry; Ngesa, Oscar (2016)

  Background: Disease mapping has become popular in the field of statistics as a method to explain the spatial distribution of disease outcomes and as a tool to help design targeted intervention strategies. Most of these ...

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