Browsing School of Science, Technology and Engineering by Issue Date
Now showing items 1-20 of 116
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Enduring toxicity of transgenic Anabaena PCC 7120 expressing mosquito larvicidal genes from Bacillus thuringiensis ssp. israelensis
(National Library of Medicine, 2003)Persistence of biological control agents against mosquito larvae was tested under simulated field conditions. Mosquito larvicidal activity of transgenic Anabaena PCC 7120 expressing cry4Aa, cry11Aa and p20 from Bacillus ... -
Micronutrient Zinc Deficiency as a Possible Co-factor in the Transmission and Progression of HIV/AIDS in Kenya
(2004)Thirty-four HIVIAIDS patients at various stages of disease progression volunteered to manage their ealth using a nutritional supplement that contained several micronutrients that included a 15 mg daily dose of elemental ... -
Institutional pluralism, access and use of wetland resources in the Nyando Papyrus Wetland, Kenya
(Academic journal, 2005)Wetlands support livelihoods of communities living around them as in the Nyando Papyrus Wetland in Kenya. The Nyando Papyrus Wetlands provide multiple resources hence there are multiple uses and users who often overlap ... -
Changes in population characteristics and diet of Nile tilapia Oreochromis niloticus (L.) from Nyanza Gulf of Lake Victoria, Kenya: what are the management options?
(Tylor&Francis, 2007-11-26)Length frequency data collected from 1998 to 2001 from commercial landings was used to estimate asymptotic length (L∞), growth coefficient (K), mortality (Z, F, M), growth performance index (φ ) and exploitation rate ... -
Variations in the mosquito larvicidal activities of toxins from Bacillus thuringiensis ssp. israelensis
(2008)Comparing activities of purified toxins from Bacillus thuringiensis ssp. israelensis against larvae of seven mosquito species (vectors of tropical diseases) that belong to three genera, gleaned from the literature, disclosed ... -
Macroinvertebrate-based Index of biotic integrity (M-IBI) for monitoring the Nyando River, Lake Victoria Basin, Kenya
(Academic journal, 2009-12)A macroinvertebrate-based Index of Biotic Integrity (M-IBI) was developed to monitor ecological integrity of the Nyando River and its tributaries. Macroinvertebrates were sampled with a scoop net between September and ... -
Selling Sprinkles micronutrient powder reduces anemia, iron deficiency, and vitamin A deficiency in young children in Western Kenya: a cluster-randomized controlled trial
(2012)Background: Although the efficacy of micronutrient powders [MNPs; eg, Sprinkles MNP (Sprinkles Global Health Initiative)] in the reduction of anemia has been established, the effectiveness of these powders in real-world ... -
Response of three mosquito species to recombinant bacterial toxins from bacillus thuringiensis subsp. Israelensis expressed in two model systems
(Baraton Interdisplinary Research Journal, 2012)Toxicity of lyophilized powders prepared prepared 16 combinations of four genes, cry4Aa, cry11Aa, cyt1Aa and p20 from Bacillus thuringiensis subsp.israelensis (Bti) expressed in Escherichia coli were examined against ... -
Factors contributing to bacterial diversity and load in Bulawayo restaurants, Zimbabwe
(Baraton Interdisplinary Research Journal, 2012)An analysis of factors contributing to bacterial diversity and count was done on Bulawayo restaurants. Focus was on equipment, foods, personnel and working surfaces. Twenty five restaurants were selected using simple ... -
Knowledge, attitudes and practices of trained traditional birth attendants on hiv/aids, Kenya
(Baraton Interdisplinary Research Journal, 2012)HIV and AIDS is a global pandemic with cases being reported from virtually every country in the world. There is a growing awareness in many African countries that the Trained Traditional Birth Attendants (TTBAs) have a ... -
Prevalence of malnutrition among preschool children (6-59 months) in Western Province, Kenya
(American Institute of Science, 2014)Malnutrition being one of the major public health problems in developing countries, it is still unacceptably high and progress to reduce it in most regions of the world is low. In Eastern Africa region, stunting and being ... -
The silver cyprinid Rastrineobola argentea as the main diet source for rearing Anopheles arabiensis mosquitoes
(Journal of Mosquito Research, 2014)Background & objectives: All organisms that are cultured for laboratory bioassays need food for sustenance and amplification of the colony to such numbers that would not compromise the progress of the research at hand. ... -
Diversity of Sorghum (Sorghum bicolor L. Moench) Germplasm from Tanzania
(2014)Sorghum (Sorghum bicolor L. Moench) is an important cereal crop cultivated in varied agro-ecological zones of Tanzania ranging from the southern highlands to coastal lowlands. Different cultivars and varieties of sorghum ... -
Assessment of microbiological contaminants in community water sources in lower Nyakach Division, Kisumu County, Kenya
(Elixir, 2014-09-04)The importance of water as a vehicle for spreading diseases has long been recognized and many studies have demonstrated the relationship between illness and deficiencies in water supply and sanitation. This study was ... -
Perception of Constructivist Learning Environment: Gender and School Type Differences in Siaya County, Kenya
(2014-12-17)Aims: The study aimed at investigating gender and school type differences in perception of Biology constructivist learning environment. Study Design: The study adopted a survey design. Place and Duration of Study: The ... -
Assessment of the Impact of Urban Runoff from Migor i Town on the Concentration Levels of Selected Heavy Metals i n Migori River, Kenya
(Journal of Environment and Earth Science, 2015)Water pollution and decreasing water quality is a major threat to water resources in urban set ups in the developing world. The key culprits include; agricultural runoff, untreated industrial and ... -
Prevalence of Anaemia and Associated Factors Among Preschool Children (6-59 Months) in Western Province, Kenya
(American Institute of Science, 2015)Background: Anaemia is the most prevalent nutritional deficiency globally and of major public health concern in preschool children and pregnant women in developing world. In Kenya current anaemia rates are about 69 % among ... -
Qualitatative Study and Factors Associated with Home Deliveries and Practices in Kilifi County-Kenya
(2015)Background: Maternal morbidity and mortality is a global health challenge and majorities are associated with lack of trained supervision at delivery especially in sub-Saharan Africa. In Kenya, according to the demographic ...
