Journal Articles: Recent submissions
Now showing items 6721-6740 of 29992
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Larvicidal Activities Of The Stem Bark Extract And Rotenoids Of Millettia Usaramensis Subspecies Usaramensis On Aedes Aegypti L. (diptera: Culicidae)
(University of Nairobi, 2014)The dichloromethane/methanol (1:1) extract of the stem bark of Millettia usaramensis subspecies usaramensis was tested for its larvicidal activity against the 4th instar Aedes aegypti larvae and demonstrated activity with ... -
Impact Of Permethrin-treated Bed Nets On Entomologic Indices In An Area Of Intense Year-round Malaria Transmission
(University of Nairobi, 2003-04)The effect of permethrin-treated bed nets (ITNs) on malaria vectors was studied as part of a large-scale, randomized, controlled trial in western Kenya. Indoor resting densities of fed Anopheles gambiae s.l. and An. funestus ... -
Susceptibility of geographically isolated populations of the Tomato red spider mite (Tetranychus evansi Baker & Pritchard) to commonly used acaricides on tomato crops in Kenya
(University of Nairobi, 2014)Farmers in Kenya continue to raise concerns of difficulty in managing Tetranychus evansi, the most widespread pest species of tomato applying the most commonly used acaricides. This invasive pest species is not only found ... -
Use of pharmacological agents to implicate a role for phosphoinositide hydrolysis products in malaria gamete formation
(University of Nairobi, 1993-11)The kinetics of phosphoinositol 4,5 bisphosphate hydrolysis products in activated Plasmodium falciparum gametocytes suggests a role for inositol trisphosphate [Ins(l,4,5)P3] and diacylglycerol (DAG) in the signal transduction ... -
Advocating For Hiv Prevention And Care A Critical Role For Older Women Living With Hiv In Rural Kenya
(University of Nairobi,, 2014)The number of older women living with HIV in Kenya is increasing. However, there are little empirical data available about their role in HIV prevention. The purpose of this study was to understand the nuanced role of older ... -
Relaxed Controls in Asynchronous Quenching and Dynamical Optimization
(University of Nairobi, 1974-04)Some definitions and mathematical notions useful in the analysis and synthesis of relaxed control as applied to asynchronous quenching and dynamical optimization are given. Existence and nonexistence of proper relaxed ... -
The Changing Concept of Adolescence in Kenya
(University of Nairobi,, 2014)Kenya has at least 42 tribes. Each of these tribes had a unique way of marking the boundary between childhood and adulthood. It is like once pubertal signs emerged, the adolescent was said to be ready for adulthood. ... -
Post-mortem Examination And Sampling Of African Flamingos (phoenicopteridae) Under Field Conditions
(University of Nairobi, 2014-02)Recent largely unexplained deaths in African flamingos have prompted the need for standard, reproducible methods for the post-mortem examination of these birds, for the taking of samples and for the recording of findings. ... -
The Feeding of Live Food to Exotic Pets: Issues of Welfare and Ethics
(University of Nairobi, 2014-06)Live food items are often fed to exotic pet species whether they be birds, amphibians, reptiles, or mammals. This raises issues of welfare, both of the animals fed live prey items and the prey itself. Concerns over live ... -
3-Oxo-14α,15α-epoxyschizozygine: A new schizozygane indoline alkaloid from Schizozygia coffaeoides
(University of Nairobi, 2014-07)The stem bark extract of the Schizozygia coffaeoides (Apocynaceae) showed moderate antiplasmodial activity (IC50 = 8–12 μg/mL) against the chloroquine-sensitive (D6) and chloroquine-resistant (W2) strains of Plasmodium ... -
The Application of Porter’s Five Forces Model on Organization Performance: A Case of Cooperative Bank of Kenya Ltd
(University of Nairobi,, 2014)The apex of environmental scanning with regard to competition can only be found in Porter’s Five Forces model. This is a long side External environment scanning tools such as Strengths, Weaknesses, Opportunities and Threats ... -
Consumers’ Evaluation Of Volition, Control, Anticipated Regret, And Perceived Food Health Risk. Evidence From A Field Experiment In A Traditional Vegetable Market In Kenya
(University of Nairobi, 2014-07)Food markets in developing countries encompass a wide spectrum of food health risk exposures for consumers, but little is known about how consumers make judgments and decisions in relation to these risks. This study examined ... -
Temporal Detection Patterns of the African Clawless Otter Aonyx capensis (Schinz, 1821) in the Laikipia Plateau of Central Kenya
(University of Nairobi,, 2014)The detection time of the African clawless Otter along its habitat was studied from January 2013- April 2013 over 720 trap nights. Camera traps were set up in six sites of different altitudes along the riparian area of the ... -
Plasmodium berghei ANKA: Selection of resistance to piperaquine and lumefantrine in a mouse model
(University of Nairobi, 2009)We have selected piperaquine (PQ) and lumefantrine (LM) resistant Plasmodium berghei ANKA parasite lines in mice by drug pressure. Effective doses that reduce parasitaemia by 90% (ED90) of PQ and LM against the parent line ... -
Antibiotic resistance patterns of bacteria implicated in bovine mastitis and some canine infections.
(University of Nairobi,, 1990)A total of 2080 bovine milk samples, and 775 canine wound and sputum samples were analysed to assess susceptibilities of bacterial isolates to 5 antibiotics commonly used in the area served by the Ambulatory Services of ... -
Wax digestion by Black-throated Honey-guides Indicator indicator
(University of Nairobi, 1988-10)The honey-guides (Indicatoridae) are brood parasites and specialist feeders on wax; the larger species obtain wax from bees' nests and the smaller ones from scale-insects or fruit (Friedmann 1955, Diamond 1985). The ability ... -
Heat transfer to particles in shear flow: application in aseptic processing
(University of Nairobi,, 1993)Convective heat transfer coefficients at the fluid-particle interface were obtained for shear flow in a holding tube to simulate aseptic processing of particulate-containing liquid foods. The particles were made of polymethyl ... -
Fathers’ and grandmothers’ motivation to serve as volunteer peer educators to improve maternal and child nutrition in Western Kenya (119.2)
(University of Nairobi, 2014)Sub optimal maternal and child nutrition practices contribute to high rates of stunting and mortality in Western Kenya. In formative research to understand the sociocultural context of nutrition, mothers identified fathers ... -
Choice Of Methods Of Farmer Contact: A Less Emphasised Aspect Of Agricultural Administration
(University of Nairobi, 1982)This paper discusses the choice of extension method appropriate for introducing improvements in agricultural production, particularly in East Africa. Two methods are outlined, namely the individual and group approaches. ...
