Browsing Faculty of Science & Technology (FST) by Title
Now showing items 3117-3136 of 4089
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Phytochemical Investigation Of Zanthoxylum Holstzianum For Antiplsmodial, Larvicidal And Antinociceptive Principles
(University of Nairobi, 2013)In this study, secondary metabolites from the root and stem bark of Zanthoxylum holstzianum were evaluated for antiplasmodial and mosquito larvicidal activities. In addition, the anti-nociceptive activities of the crude ... -
Phytochemical investigation of Zanthoxylum Paracanthum and Zanthoxylum Chalybeum for cytotoxic principles against drug sensitive and multidrug resistant Leukemia cancer cell lines
(University of Nairobi, 2018)Cancer statistics show that 13% of all death globally results from cancer. In Kenya, about 80,000 new cases of cancer are reported each year. From these new cases, about 50 people die every day as a result of cancer. To ... -
Phytochemical investigation of Zanthoxylum Usambarense
(Depatment of Chemistry, University of Nairobi, 2001)The genus Zanthoxylum belongs to the family Rutaceae. This Family comprises some 150 genera and over 1,600 plant species. In Kenya, the Rutaceae is represented by 28 species in 10 genera. The genus, sometimes referred ... -
Phytochemical Screening of Anti-inflammatory Compounds of the Stinging Nettle (Urtica Spp.)
(University of Nairobi, 2023)The stinging nettle is an alimurgic plant known for its anti-inflammatory ethnomedical importance. However, there are no studies that have attempted to identify the specific anti-inflammatory compounds within the extracts ... -
Phytochemical screening of Kenyan rumex species as a possible source of purgatives
(Faculty of Science, University of Nairobi, 1984)Rumex species have been widely used around the world for anthelmintic and laxative purposes. In this country R. abyssinicus, R. bequaertii and R. usambarensis are reputed as useful for the same purposes in traditiona ... -
Phytochemical studies on some aloe species of the saponariae group.
(School of Biological Sciences, 1991-06)The taxa Aloe with its more than 350 species are widely distributed in Tropical Africa. They have found wide recognition for their cosmetic and medicinal uses. The taxonomic irregularities and the inadequacy of ... -
Phytochemical Study of Selected Dracaena Species for Anti-inflammatory and Anticancer Principles
(University of Nairobi, 2021)Chronic inflammation is associated with the onset of chronic disorders such as cancer. The currently available anti-inflammatory and anticancer drugs are associated with diverse undesirable side effects. Hence, search for ... -
Phytochemistry and bioactivity investigations of three Kenyan croton species
(University of Nairobi, 2014)Three Kenyan Croton species, C. megalocarpoides Friis and Gilbert, C. alienus Pax and C. sylvaticus Hochst were investigated for their phytochemistry and biological activity relevancies. Anti-microbial activity evaluation ... -
Phytoplankton productivity in Lake Naivasha
(University of NairobiFaculty of Science. University of Nairobi, 1991)Lake Naivasha being an endorheic basin, within an intensive agricultural region requires continuous assessment of basic factors controlling phytoplankton productivity, because agricultural activities can contribute to ... -
Pigeon pea response to phosphorus fertilizer, Temperature and soil moisture regimes during the Growing season at katumani and kampi ya mawe in Machakos and makueni districts of Kenya
(University of Nairobi College of Biological & Physical Sciences Department of Meteorology, 2009)Pigeonpea (Cajanus cajan) is an important grain legume grown in the semi arid areas of the tropics used for food, feed and as cash crop. Food insecurity is a persistent problem, especially in the marginal regions where ... -
Plama Cortisol, Luteinizing Hormonetestosterone Levels in Human African Trypanosomiasis Patiants From Western Kenya
(University of Nairobi, 1993) -
Plane Hurwitz Number
(University of Nairobi, 2014)The main objects in this thesis are meromorphic functions obtained as projections to a p encil of lines through a p oi nt in P2. The general goal is to understand how a given a meromorphic function f ∶ X → P1 can be ... -
Plant nutrient aspects of mulch incorporation in alley cropping trials of semi-arid Machakos, Kenya
(Faculty of Science, University of Nairobi, 1990)Experiments on plant nutrient status and yield of maize in relation to mulch nutrient composition were conducted at Katumani, in Machakos district from 1987 to 1989. In all the seasons, Katumani B Composite was sown, ... -
Plasma Luteinizing Hormone (LH) in Trypanosoma congolense infected female goats and the response to Gonadotropini releasing Hormone (GnRH)-Agonist and Clonldine
(Department of Medical Physiology, University of Nairobi, 1997)Trypanosomosis is a widespread tropical disease of humans and animals in Africa. Besides its reversal of sleep/wake cycle, trypanosomosis also causes reproductive dysfunctions. In trypanosome infected females, decrease ... -
The plio-pleistocene history of sedimentation in lake Baringo basin, Kenya - a drill core perspective
(University of Nairobi, 2014)Baringo Basin is a sedimentary basin located in the Central Rift Valley in Kenya. A 230m drill core was recovered from the Tugen Hills site, location at 0°33'16.5"N 35°56'14.9"E at an elevation of 1158m. This research ... -
The Pls-pm Approach to Causal Modeling: an Analysis of Learners' Achievement in Kenya Certificate of Secondary Education Examination of 2014
(University of Nairobi, 2016)Students' performance in mathematics and sciences is closely associated with the scienti c and technological innovations worldwide.The Government of Kenya recognizes the important role mathematics and science must play ... -
Podborer insect pests attacking pigeonpea, cajanus cajan (L) millsp, at flowering and post-flowering stages and their impact on yield in Kenya
(School of Biological Sciences, University of Nairobi, 1993)The pigeonpea Cajanus cajan (L.) Millsp, is one of the major pulse crops farmed in Kenya particularly in arid and semi-arid areas. It is important for its nutritive value to people because of its high protein content. One ... -
Poisson Process Modelling of the Temporal Behavior of Volcanic Eruptions in the East African Rift System
(University of Nairobi, 2020)The social costs of volcanic eruptions are severe for eruptions of considerable magnitude. Understanding the temporal behavior of volcanic eruptions is thus key to hazard assessments and prevention of future loss of life ... -
Polarographic determination of heavy metals in foods, beverages and soft-drinks
(Facult of Science, University of Nairobi, 1985)In this analytical work, heavy metals were determined in different kinds of foods, beverages and soft drinks. Cadmium, copper, lead and zinc were detennined in rice,potatoes, carrots, cassava, beans, maize, tomatoes, meat ... -
Police e-readiness assessment: a case study of five Kenyan police stations
(University of Nairobi, 2016)Information technology has become an increasingly important factor in carrying out police operations way from information capturing, prediction of crimes, taking finger prints, surveillance, investigations, decision ...