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Browsing Institute for Biotechnology Research (IBR) by Issue Date

Browsing Institute for Biotechnology Research (IBR) by Issue Date

Now showing items 21-40 of 84

Enrichment, isolation and characterization of dichlorodiphenyltrichloroethane (DDT) microbial degraders from soils in Kenya

Mwangi, Julius Kinuthia (2014-05-19)

Dichlorodiphenyltrichloroethane (DDT) has been in use as an agricultural insecticide and as a disease vector control since 1939. Due to its persistence in the environment, its use has been surrounded by controversies ...
Characterization of Aminoglycoside Resistant Bacterial Strains Implicated in Invasive Infections in Kenya.

Ndegwa, Doris Wangari (2014-05-19)

Aminoglycosides resistance through production of aminoglycoside-modifying enzymes (AMEs) is the most common type of microbial resistance. Possession of AMEs genes in Gram negative bacteria on plasmids, transposons and ...
Isolation, Characterization and Screening of Bacterial Isolates from Lake Magadi for Exoenzyme and Antimicrobial activity

Kambura, Anne Kelly (2014-05-19)

Microorganisms from soda lakes have attracted attention as a possible source of novel enzymes and metabolites for use in biotechnology and developing new applications such as medicine, food, and research reagents. Many ...
Molecular Characterization of the Wild Edible Mushrooms of the Pleurotus species in Kenya

Ojwang, Daniel Otieno (2014-05-19)

Members of the genus Pleurotus are macro fungi belonging to the phylum Basiomycetes. They are important source of food and medicinal compounds among many local communities. Limited studies have been done to identify and ...
Phenotypic and molecular characterization of Vibrio cholerae isolated from cholera outbreaks in western Kenya

Maranga, Robert Momanyi (2014-05-19)

Cholera disease is a major public health problem in Kenya and is caused by toxigenic Vibrio cholerae. V. cholerae are curved or straight Gram-negative bacilli. Epidemic cholera occurs in areas with water contamination and ...
Isolation and Characterization of Fungi from Lake Magadi of the Kenyan Rift Valley

Salano, Odilia Atamba (2014-05-19)

Lake Magadi is the southernmost lake in the Kenya Rift Valley, lying in a catchment of faulted volcanic rocks, north east of Lake Eyasi. Lake Magadi is a saline, alkaline lake, approximately 100 square kilometers in size ...
Development of Fuel Briquettes for Knockdown of Mosquitoes Using Natural Products

Thuku, Loise Nyakeru Thuku A thesis (2014-08-08)

Although there has been fruitful effort in managing most of the diseases that affect humankind, some of them like malaria are still a major death cause in many parts of the World. This necessitates the development of ...
Development of Waterproofing Agent for Cement Soil Blocks from Low Density Polyethylene Wastes

Karanja, Benson Harison Kuria (2014-09-01)

Low density polyethylene (LDP) is an essential element of industrialization and socio-economic development of a country. This is due to the universal use of low density polyethylene in other sectors of the economy. However, ...
Exploring host induced gene silencing of key biosynthetic pathway genes in management of aflatoxin accumulation in maize (zea mays) and groundnuts (arachis hypogaea l)

Masanga, Joel Okoyo (2015)

Infestation of crops by mycotoxin-producing fungi is a major challenge in sub-Sahara Africa due to heavy economic losses and threats to human and animal health. Many crops are contaminated by fungi, particularly Aspergillus ...
Gene Xpert Testing Of Stool Samples for the Diagnosis of Pulmonary Tuberculosis in Children Less Than 15 Years in Hospitals In and Around Nairobi

Welday, Seble Haile (2015-01-26)

Globally Tuberculosis (TB) is a major infectious disease. In 2011, there were an estimated 8.7 million new cases with 6% childhood tuberculosis. The majority of the cases occurring in high TB burden countries like ...
Evaluation of Meristem Tip Culture, Chemotherapy and Thermotherapy on the Reduction of Cassava Brown Streak Virus Ininfected Cassava (Guzo Variety) Cuttings

Mwangangi, Maureen Mwende (2015-01-30)

Cassava brown streak disease (CBSD) is an economically important disease of cassava (Manihot esculenta crantz) caused by Cassava brown streak virus (CBSV) which was the target in this study and Ugandan cassava brown ...
Genetic diversity and post flowering drought tolerance analysis of Eritrean sorghum [sorghum bicolour (L) Moench] landraces using morpho-physiological and molecular markers

Negash, Tesfamichael Abraha (2015-06-12)

Sorghum (Sorghum bicolour (L.) Moench) is the most important staple food crop in Eritrea, mainly used for home consumption in the form of injera, bread, porridge and local alcoholic beverages. Sorghum grown under rain-fed ...
Isolation and Characterization of Novel Bacteria and Bacteriophages from the Haloalkaline Lake Elmenteita

Akhwale, Juliah Khayeli (2015-06-19)

There is need to investigate novel cultivation approaches and develop new equipment to recover many previously uncultured microbes, classify and catalogue them as they provide a valuable resource for research and the ...
Evaluation of the extent and level of awareness on safe use of herbicides by Tea Growers in Bomet County, Kenya

Bett, Chepkurui Florence (2015-06-22)

Herbicides are pesticides used to kill weeds. Herbicides play a major role in crop protection and control of vector borne diseases in all agricultural sectors. They are chemically active compounds designed in the most ...
DESIGN, FABRICATION AND OPTIMIZATION OF A SMALL- SCALE ADSORPTION PROCESS REACTOR FOR BIOGAS PURIFICATION

CHEGE, JOHN MAINA (2015-06-23)

Biogas is a renewable energy resource. Emissions from biogas can cause serious damage to the human health and environment due to presence of the contaminants. The aim of this study was to evaluate biogas generation from ...
Isolation, Characterization and Screening of Bacterial Isolates from Lake Magadi for Exoenzyme and Antimicrobial activity

Kambura, Anne Kelly (JKUAT, Juja, 2015-11)

Microorganisms from soda lakes have attracted attention as a possible source of novel enzymes and metabolites for use in biotechnology and developing new applications such as medicine, food, and research reagents. Many ...
Isolation and Characterization of Novel Bacteria and Bacteriophages from the Haloalkaline Lake Elmenteita

Akhwale, Juliah Khayeli (JKUAT, Juja, 2015-11)

There is need to investigate novel cultivation approaches and develop new equipment to recover many previously uncultured microbes, classify and catalogue them as they provide a valuable resource for research and the ...
Collection, Morphological and Molecular Characterization of Papaya Germplasm in Kenya.

Asudi, George Ochieng’ (JKUAT, Juja, 2015-11)

Papaya is one of the major fruit crops of the tropical regions of the world. It shows considerable phenotypic variation in morphological and horticultural traits that can be utilized in its genetic improvement. The ...
Isolation and Molecular Characterization of Yeast Strains from Kenyan Cheese Industries and their Potential Utilization in Bioethanol Production from Whey

Kimani, Virginia Wambui (Biotechnology, JKUAT, 2016-02-29)

The use of Bio-wastes like whey as raw materials for production of ethanol is gaining importance due to the environmental impact and exhaustion of fossil fuel sources making renewable fuel alternatives highly attractive. ...
Characterization of dark and pale forms of frankliniella schultzei (trybom) – an ecological, biological, morphological and molecular approach

Gikonyo, Matilda Wangeci (Bioinformatics and Molecular Biology , IBR, JKUAT, 2016-03-23)

Frankliniella schultzei Trybom is an important pest of ornamental and vegetable crops worldwide and a vector of Tospoviruses, which are plant viruses belonging to the family Bunyaviridae. It occurs as two color forms (dark ...

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