Browsing Faculty of Science & Technology (FST) by Title
Now showing items 2176-2195 of 4283
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Isolation and characterization of a thermostable cellulase from bacillus licheniformis strain vic isolated from geothermal wells in the Kenyan rift valley
(University of Nairobi, 2016)Cellulolytic microorganisms such as fungi and bacteria are responsible for much of the cellulose degradation in soils. Despite the vast number of cellulase producers, there is a deficiency of microorganisms that can produce ... -
Isolation and characterization of an antifungal compound 5-hydroxy-7,4'-dimethoxyflavone from Combretum zeyheri
(University of Nairobi, 2015)BACKGROUND: Combretum zeyheri, belongs to the family Combretaceae and is one of the most popular herbal plants in tropical and subtropical countries. The leaves of Combretum zeyheri have been used as herbal medicine and ... -
Isolation and characterization of Bacillus thuringiensis from coastal intertidal brackish sediments and from farmlands in Machakos District Kenya
(2012)Bacillus thuringiensis (Bt) delta endotoxins represent the most successful use of biological control agents targeting crop pests to date. Studies have shown that Bt produces a wider range of toxins targeting ... -
Isolation and characterization of Bacillus thuringiensis strains from soil samples from kakamega and Machakos districts in Kenya
(2003)Twelve isolates of Bacillus thuringiensis were obtained from soil samples collected from farmers' fields in Kakamega and Machakos districts. Soil samples from Machakos yielded more B. thuringiensis isolates t han those ... -
Isolation and characterization of flagellates from rodents and canids in Masinga, Machakos District, Kenya.
(University of Nairobi,Department of Zoology, 1995-11)A total of 728 animals comprising of 633 rodents and 95 canids were examined for leishmanial parasites. Flagellates were isolated from 67 out of 111 (60.4%) Acomys subspinosus (spiny mouse), 12 out of 143 (8.4% ) Mastomys ... -
Isolation and characterization of polymeric and particulate components of acrylonitrile–butadiene–styrene (ABS) plastics by thermal field-flow fractionation
(University of NairobiField-Flow Fractionation Research Center, Department of Chemistry, University of Utah, Salt Lake CityAnalytical Sciences Center, Monsanto Corporate Research, Monsanto Company, 800 North Lindbergh BlvdDepartment of Chemistry, University of Nairobi, 1998)Thermal field-flow fractionation (ThFFF) is shown here to be capable of isolating the polymeric and rubber particulate components of acrylonitrile–butadiene–styrene (ABS) plastic in a simple analytical procedure. To ... -
Isolation and Characterization of Polymeric and Particulates of Acrylonitrile-Butadiene-Styrene (ABS) Plastics by Thermal FFF.
(Department of Chemistry, 1996)Thermal field-flow fractionation (ThFFF) is shown here to be capable of isolating the polymeric and rubber particulate components of acrylonitrile–butadiene–styrene (ABS) plastic in a simple analytical procedure. To ... -
Isolation and Characterization of the Major Anthraquinone Pigments from Rumex abysinnica". Planta medica, 50, 111
(Department of Chemistry, 1984-02) -
Isolation and characterization of the trichoverroids and new roridins and verrucarins
(Department of Chemistry, 1982) -
Isolation and characterization of vibrio cholerae phage from The enviromental waters of the lake victoria region of Kenya
(Biological sciences, University of Nairobi., 2013)The aim of this study was to isolate bacteriophages able to lyse Vibrio cholerae bacteria that cause cholera. Vibriophages have been successfully used to control the pathogen in the environment so as to minimise cholera ... -
The Isolation and Identification of Trichothecene Metabolites from a Plant Pathogenic Strain of Myrothecium roridum
(Department of Chemistry, 1984) -
Isolation and in Vitro antiplasmodial Activities of Alkaloid from Teclea trichocarpa: In Vivo antimalaria activity and X-ray crystal structure of normelicopicine
(Department of Chemistry, 2002-07)Seven alkaloids have been isolated from Teclea trichocarpa including four, normelicopicine (1), arborinine (2), skimmianine (6), and dictamnine (7), that are reported for the first time in addition to the previously reported ... -
Isolation and partial characterisation of an HIV-like lentivirus from DeBrazza's monkeys, Cercopithecus neglectus
(College of Biological and Physical Sciences, 1999) -
Isolation of a new β-carboline alkaloid from aerial parts of Triclisia sacleuxii and its antibacterial and cytotoxicity effects.
(University of Nairobi, 2017)A new β-carboline alkaloid named sacleuximine A (1) together with known compounds palmatine (2), isotetrandrine (3), trans-N-feruloyltyramine (4), trans-N-caffeoyltyramine (5), yangambin (6), syringaresinol (7), sesamin ... -
Isolation of Leishmania donovani from Phlebotomus martini in Baringo district, Kenya.
(University of Nairobi.Department of Zoology, 1988)An 18-month sandfly survey was conducted at 4 locations in Baringo District, Rift Valley Province, Kenya. 3 collection techniques were used: aspiration, sticky paper trap, and light trap in sites selected because of their ... -
Isolation of Leishmania major from a naturally infected vervet monkey (Cercopithecus aethiops) caught in Kiambu District, Kenya.
(University of Nairobi.Department of Zoology, 1987-12) -
The isolation of Leishmania major from rodents in Baringo district, Kenya.
(University of Nairobi.Department of Zoology, 1984) -
Isolation of Salmonella and Shigella from fish harvested from the Winam Gulf of Lake Victoria, Kenya.
(University of Nairobi.Department of Zoology, 2009-03)BACKGROUND: Human infections caused by pathogens transmitted from fish are quite common. The aim of this study was to isolate enteric pathogenic bacteria from fish that might be transmitted to humans after the handling ...