Browsing Faculty of Science & Technology (FST) by Title
Now showing items 3258-3277 of 4265
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Raman Spectra of mixed crystals of transition metal hexacarbonyls
(University of NairobiCollege of biological and physical science, 1978) -
Random Chromosome Breakage By Colchicine Inviscum Fischeri (Loranthaceae)
(University of Nairobi, 1978)When the shoot-tips ofViscum fischeri Engl. were treated with various concentrations of colchicine for different lengths of time, it was found that in this plant chromosome breakage was not localized to centromeric region ... -
Rapid detection of hiv1-p24 antigen in human blood plasma using Raman spectroscopy
(University of Nairobi, 2016)Raman spectroscopy together with principal component analysis (PCA) has been applied in detecting HIV1-p24 antigen in plasma. PCA distinguished Raman data of human blood Plasma contaminated with HIV1-p24 antigens from ... -
Rapid in-situ radiometric assessment of the Mrima-Kiruku high background radiation anomaly complex of Kenya
(University of Nairobi, 2017)This paper presents the radiometric survey results of the Mrima-Kiruku high background radiation (HBR) anomaly complex of south coastal Kenya. Utilizing a portable γ-ray spectrometer consisting of a 2.0 l NaI(Tl) backpack ... -
Rapid Nuclear Forensics Analysis via Laser Based Microphotonic Techniques Coupled with Chemometrics
(University of Nairobi, 2017)Nuclear forensics (NF) is an important tool for analysis and attribution of nuclear and radiological materials (NRM) in support of nuclear security. The critical challenge in NF currently is the lack of suitable microanalytical ... -
Rapid Nuclear Forensics Analysis via Machine-learning-enabled Laser-induced Breakdown Spectroscopy (Libs)
(University of Nairobi, 2019)Nuclear forensics (NF) is an analytical methodology that involves analysis of intercepted nuclear and radiological materials (NRM) so as to establish their nuclear attribution. The critical challenge in NF currently is ... -
Rapid Screening using GIBEX Screens-to-nature System of Ethnomedicinal Plants from Ngong Forest, Kenya for Potency against Infectious Diseases and Antioxidant Activities: A Qualitative Study
(University of Nairobi, 2019)Introduction: Plants from Kenyan flora are traditionally used to manage a number of ailments including; chronic and infectious disease, to bolster the body immunity and for general health protections. The current investigation ... -
Rare Alleles and Signatures of Selection on the Immunodominant Domains of Pfs230 and Pfs48/45 in Malaria Parasites From Western Kenya
(University of Nairobi, 2022)Background: Malaria elimination and eradication efforts can be advanced by including transmission-blocking or reducing vaccines (TBVs) alongside existing interventions. Key transmission-blocking vaccine candidates, such ... -
Rate enhancement and control in electrochemical catalysis using a bicontinuous microemulsion
(Department of Chemistry, University of NairobiDepartment of Chemistry, Conncticut, 1992) -
Rate of uptake of cadmium, chromium, lead and zinc ions by roots, stems and leaves of different ipomoea batatas plant varieties under in vitro conditions
(2012)Five sweet potato plant varieties grown in water solutions, containing varying amount of metal ions (Cd, Zn, Pb and Cr), demonstrated different rates of up take of the ions and distribution in leaves, roots and stems. ... -
Ratooning ability and its effect on grain yield of upland Nerica rice varieties in Central Kenya
(2014)Field experiments were conducted at Mwea Irrigation Agricultural Development (MIAD) Centre in central Kenya (0o 41'S, 37o 20'E, 1159m) to assess rice ratooning ability and its effect on grain yield. Four upland NERICA (NERICA ... -
Reaction of some Kenyan wheat cultivars to head blight after inoculation with Fusarium graminearum
(2007)Eight cultivars of wheat that are commonly grown in Nakuru and Nyandarua districts of Kenya were tested for their susceptibility to Fusarium head blight (scab) under green house conditions. The cultivars were inoculated ... -
Reaction of the predacious mite, Amblyseius gossipi to three varieties of Bacillus thuringiensis under laboratory conditions ( Acari; Phytoseiidae)
(University of NairobiSchool of Biological and Physical Sciences, 1986)Females of the predacious mite Amblyseius gossipi El-Badry were confined on pollen grains incorporated with Bacillus thuringiensis var. israelensis, Bacillus thuringiensis var. kurstaki and Bacillus thuringiensis var. ... -
Reactively sputtered TiO2 layers on SnO2:F substrates: A Raman and surface photovoltage study
(Department of Physics, School of Physical Sciences, University of Nairobi,, 2008)DC reactively sputtered TiO2 layers on SnO2:F substrates were investigated by Raman and surface photovoltage spectroscopy. The stoichiometry and layer thicknesses were investigated by elastic recoil detection analysis. ... -
Real exchange rate equilibrium and misalignment in kenya
(College of Physical and Biological Sciences, 1993)This paper examines Real Exchange Rates (RER) misalignment in Kenya by using Johansen Cointegration and error correction technique based on single equation and Vector Autoregressive (VAR) specification. It was found ... -
Real Exchange Rate Volatility in Kenya
(Department of Accounting and Finance, Catholic of Eastern AfricaSchool of Mathematic, University of Nairobi; Kenya, 2012)This paper examines Real Exchange Rate (RER) volatility in Kenya by using Generalized Autoregressive Condition of Heteroscedasticity (GARCH) and computation of the unconditional standard deviation of the changes for the ... -
Real time pcr mediated determination of the spontaneous occurrence of sorghum bicolor (l. Moench) alleles in wild sorghum populations
(University of Nairobi, 2014)The study evaluates the utility of Real Time PCR (RT - PCR) in quantitative and qualitative analysis of alleles in sorghum populations and the spontaneous occurrence of Sorghum bicolor alleles in wild populations ... -
Reality the female condom. Questions and answers.
(University of Nairobi, 1993) -
Realization of Multipoint Communication over the Internet using XCAST
(University of Nairobi, 2012) -
A reappraaisal of the geology, geochemistry, structures and tectonics of the Mozambique belt in Kenya, east of the rift system
(University of Nairobi.Department of Geology, 2003)The largest segment of the Neoproterozoic Mozambique belt in Kenya occurs east of the north-south oriented Rift system. Geological works carried out in the country during the last few decades have progressively revealed ...
