Browsing Faculty of Science & Technology (FST) by Title
Now showing items 2697-2716 of 4283
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New trends in vaccine development
(1989) -
New trichoverroids from Myrothecium verrucaria
(Department of Chemistry, 1983) -
New typology and origin of tsavorite based on trace-element chemistry
(University of Nairobi, 2014)New electron-microprobe analyses of ‘tsavorites’ from the Neoproterozoic Metamorphic Mozambique Belt deposits allow the characterization of green grossular according to its trace-element chemistry (V, Cr, Mn). Five chemical ... -
A new β-hydroxydihydrochalcone from Tephrosia uniflora, and the revision of three β-hydroxydihydrochalcones to flavanones
(University of Nairobi, 2022-04)The CH2Cl2/MeOH (1:1) extract of the stems of Tephrosia uniflora yielded the new β-hydroxydihydrochalcone (S)-elatadihydrochalcone-2'-methyl ether (1) along with the three known compounds elongatin (2), (S)-elatadihydrochalcone ... -
A newly found jet in North Kenya (Turkana Channel)
(University of Nairobi, 1982-11)On the basis of recent pilot balloon observations which have become available in northern Kenya, it is shown that there exists a strong southeasterly low-level jet in the Turkana Channel which separates the Ethiopian ... -
Nitrogen metabolism and renal function in the dik-dik antelope (Rhynchotragus kirkii).
(Institute of Animal Physiology and Biotechnology Research, 2000)Nitrogen metabolism and kidney function of the dik-dik antelope (Rhynchotragus kirkii) were studied under a range of controlled, experimental conditions and diets. Dik-dik antelope remained in nitrogen balance even when ... -
Nitrogenase activity in the papyrus swamps of Lake Naivasha, Kenya
(1992)Nitrogenase activity (acetylene reduction activity) was found to occur universally in the Cyperus papyrus swamp in Lake Naivasha. Low rates of acetylene reduction activity (0.9–104.9 nmol C2H4 g d.wt. roots-1 h-1) were ... -
Nocturnal activities of Phlebotomine sandflies (Diptera: Psydhodidae) in Baringo District, Kenya. Submitted to TAF Preventive Medicine Bulletin
(School of Biological Sciences, 2010) -
Non-chemical agents and factors capable of regulating tick populations in nature: A mini review
(University of Nairobi.School of Biological Sciences, 1992-08)Ticks have always been a major obstacle to livestock production due to the devastating diseases which they transmit especially in the tropics. The control of ticks which has relied heavily on the use of acaricides is now ... -
Non-Conventional Vegetable oils for fuel in Kenya", Bio-Energy-84
(University of NairobiCollege of biological and physical science, 1985) -
"Non-Parametric and Parametric Modeling and Characterization of the Effective Earth Radius Factor for South Africa
(University of NairobiDepartment of Electrical, Electronic and Computer Engineering, 2013)The e®ective earth radius factor (k-factor) is an important parameter in the plan- ning and design of both terrestrial microwave and UHF/VHF line-of-sight links. It is for this reason that the structure and variations ... -
Non-square quantum well growth for reduced threshold current in tensilely strained lasers operating at 1.52m
(AJOLDepartment of Physics, University of Nairobi, 2001)This paper presents calculations demonstrating that non-square quantum well growth (well shaping) can result in reduced threshold current for tensilely strained quantum well bipolar diode lasers operating at 1.52ìm m. ... -
Non-stationary curves in Hilbert Spaces defined by differential equations
(University of Nairobi.School of Mathematics, 1987) -
Non-toxic melanin production inhibitors from Garcinia livingstonei (Clusiaceae).
(University of NairobiSchool of Computing and Informatics, 2013)The stem bark of Garcinia livingstonei is used traditionally as a skin lightening agent. AIM OF THE STUDY: To isolate and identify compounds responsible for the observed skin lightening activity of Garcinia livingstonei ... -
Norm properties of operators who's norms are Eigenvalues
(Academic JournalsSchool of Mathematics, University of Nairobi,, 2010) -
Normality of the products of nth-Aluthge transforms of w-Hyponormal operators
(School of Mathematics, 2013) -
Normo-glycemic and hypolipidemic effect of costunolide isolated from Costus speciosus (Koen ex. Retz.)Sm. in streptozotocin-induced diabetic rats
(University of NairobiCollege of Biological and Physical Sciences, 2009-05)Diabetes mellitus is the most common and serious metabolic disorder among people all over the world. Many plants have successfully been used to overcome this problem. Costus speciosus is widely used in Indian medicine to ...