Now showing items 255-260 of 260

    • Triterpenes and Sterols from Ocimum suave 

      Opiyo, Sylvia A. (2022-07)
      Ocimum species which belong to the family Lamiaceae have several medicinal uses including antimalarial, antimicrobial, antidiabetic, hepato-protective, anti-inflammatory, anti-carcinogenic, cardio-protective and insect ...
    • Triterpenes from Elaeodendron schweinfurthianum and their Antimicrobial Activities against Crop Pathogens 

      Opiyo, Sylvia A.; Manguro, Lawrence O.A.; Owuor, Philip O.; Ateka, E.M. (Scientific & Academic Publishing, 2017)
      Phytochemical evaluation of Elaeodendron schweinfurthianum (Loes) extracts led to the isolation of nine compounds which were identified as 3-oxofriedelane (1), 3α-hydroxyfriedelane (2), 3-oxo-29-hydroxyfriedelane (3), ...
    • Triterpenes of Commiphora holtziana oleo-gum resin 

      Manguro, Lawrence O.A.; Opiyo, Sylvia A.; Herdtweck, Eberhardt; Lemmenc, Peter (NRC Research Press, 2009-07)
      Chemical analysis of the acetone extract of Commiphoraholtziana gum resin has led to the isolation of triterpenes characterized as methyl 3-oxo-1α,19α,28-trihydroxyurs-12-en-24-oate (1), methyl 3β-acetyl-2α,11α,19α,28-te ...
    • 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 ...
    • Warburgia Ugandensis: A Review of Compounds and Bioactivity 

      Opiyo, Sylvia A. (2023-07)
      Warburgia species (Canellaceae) are traditionally used to treat a wide range of illnesses including stomach ache, diarrhea, abdominal pains, toothache, oral thrush, venereal diseases, cold and cough, fever, muscle pains, ...
    • Widespread reliance on olfactory sex and species identification by lyssomanine and spartaeine jumping spiders 

      Nelson, Ximena J.; Warui, Charles M.; Jackson, Robert R. (Oxford, 2012-10)
      Jumping spiders (Salticidae) are renowned for their exceptional vision, but this does not preclude use of other senses. Here we provide evidence that olfactory pheromones are widespread in the Spartaeinae and Lyssomaninae, ...