Browsing School of Pure and Applied Sciences by Issue Date
Now showing items 41-60 of 170
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Parametric Modeling of Probability of Bank Loan Default in Kenya
(JAGST, 2012)Commercial banks in Kenya are the key players not only in the financial market but also in spurring the economic growth that has been witnessed in the country in the recent past. Besides Safaricom and East Africa Breweries, ... -
Multivariate ratio estimator of the population total under stratified random sampling
(Scientific Research Publishing, 2012)Olkin [1] proposed a ratio estimator considering p auxiliary variables under simple random sampling. As is expected, Simple Random Sampling comes with relatively low levels of precision especially with regard to the fact ... -
Deriving Some Estimators of Panel Data Regression Models with Individual Effects
(International Journal of Science and Research, 2012) -
Inhibition of proinflammatory biomarkers in THP1 macrophages by polyphenols derived from chamomile, meadowsweet and willow bark.
(John Wiley & Sons, Ltd., 2013)Antiinflammatory compounds in the diet can alleviate excessive in flammation, a factor in the pathogenesis of common diseases such as rheumatoid arthritis, atherosclerosis and diabetes. This study examined three European ... -
A STUDY OF A HYDRO MAGNETIC FLUID FLOW IN A ROTATING SYSTEM BOUNDED BY TWO PARALLEL PLATES
(Jomo Kenyatta University of Agriculture and Technology, 2013)An electrically conducting fluid flowing between two parallel plates has been considered in this study. The fluid flow is unsteady and a magnetic field is applied perpendicular to the plates. Various configurations have ... -
Stability of phytochemicals as sources of anti-inflammatory nutraceuticals in beverages—A review
(Elsevier, 2013)Recently phytochemical constituents have attracted a lot of interest as sources of functional ingredients in food product formulations. However, before being incorporated into foods or beverages the stability of these ... -
Synthesis, characterization and crystal structures of two polymorphs of the iodo-bridged ruthenium salt, μ-iodido-bis {η 5-cyclopentadienyl-dicarbonyl-ruthenium (II)} tetrafluoroborate
(Elsevier, 2013)The reaction of RpI (Rp = (η5-C5H5)Ru(CO)2) and AgBF4 in two different solvents, tetrahydrofuran and dichloromethane afforded two polymorphs of the iodo-bridged cationic complex [Rp2I]BF4. Polymorph I precipitates out of ... -
Effect of processing temperature on the stability of parthenolide in acidified feverfew infusions
(Elsevier, 2013)The stability of parthenolide, the active ingredient in feverfew and a potential anti-inflammatory bioactive in beverages was evaluated at different pHs (2.9, 3.7, 4.6 and 6.0) during heat processing at 40–100°C. The ... -
A structural investigation of the D2O solvated, acetone solvated and nonsolvated 1,4-Diazabicyclo[2.2.2]octane complexes of the half sandwich moiety [(η5-C5H5)(CO)2Fe]
(Sabinet, 2013)Two new solvates of the dinuclear salt {(η5-C5H5)(CO)2Fe}2(μ-DABCO)](BF4)2 (DABCO = 1,4-diazabicyclo[2.2.2]octane); 1 (D2O solvate) and 2 (acetone solvate), and the mononuclear salt [(η5-C5H5)(CO)2Fe(DABCO)]BF4, 3, have ... -
Evaluation of Loop-Mediated Isothermal Amplification Suitable for Molecular Monitoring of Schistosome-Infected Snails in Field Laboratories
(The American Society of Tropical Medicine and Hygiene, 2013)We previously described loop-mediated isothermal amplification (LAMP) for detection of Schistosoma haematobium and S. mansoni DNA in infected snails. In the present study, we adapted the LAMP assay for application in field ... -
Comparison of the ratio estimate to the local linear polynomial estimate of finite population totals
(International Journals of Multidisciplinary Research Academy, 2013)In this paper, attempt to study effects of extreme observations on two estimators of finite population total theoretically and by simulation is made. We compare the ratio estimate with the local linear polynomial estimate ... -
Effects of outliers on Estimation of Finite Population Totals
(International Journals of Multidisciplinary Research Academy, 2013)In this paper, attempt to study effects of outliers on two estimators of finite population total theoretically and by simulation is made. We compare the ratio estimate with the local linear polynomial estimate of finite ... -
Thermal Stress Monitoring on Piston Rings by Real Time Holographic Interferometry
(Scientific Research Publishing, 2013)In this paper, real time holographic Interferometry (RTHI) technique was used to monitor the thermal stress on the piston rings. The piston rings holograms were recorded and the holographic plate replaced on the holder ... -
E-2-hexenal promotes susceptibility to Pseudomonas syringae by activating jasmonic acid pathways in Arabidopsis
(Frontiers in Plant Science, 2013-04)Green leaf volatiles (GLVs) are C6-molecules – alcohols, aldehydes, and esters – produced by plants upon herbivory or during pathogen infection. Exposure to this blend of volatiles induces defense-related responses in ... -
Interferometry Analysis of Cellophane Birefringence
(Optics and Photonics Journal, 2013-10)This paper reports on a simple approach of determining the ability of a transparent material, such as cellophane to rotate the direction of polarization of a light beam. In order to determine the birefringence of such a ... -
Synthesis and characterization of Y2O3:Eu3+ phosphors using the Sol-Combustion method.
(Elsevier B.V., 2014)Y2O3: Eu3+ phosphor powders were prepared by the Sol-Combustion synthesis method using a sulfur-contained organic fuel in an ethanol–aqueous solution. The structural, morphological and optical properties of the as-prepared ... -
Effect of Selected Metal Ions on the Mycelial Growth of Sclerotinia Sclerotiorum Isolated From Soybean Field in Rongai, Kenya
(International Journal of Chemistry and Materials Research, 2014)White mold caused by Sclerotinia sclerotiorum attacks a wide host range of broad-leafed plants which includes soybeans. The effect of twelve metal ions (Hg+2, Co+3, Ag+1, La+3, Cd+2, Cr+3, Cu+2, Zn+2, Mo+5, Sr+2, Sn+4 and ... -
Syntheses and structural characterization of 2,4,6-trimethylaniline complexes of iron carbonyls
(Inorganica Chimica Acta, 2014)The new 2,4,6-trimethylaniline complexes [Cp∗Fe(CO)2(NH2C6H2(CH3)3)]+ (3) and [CpFe(CO)2(NH2C6H2(CH3)3)]+ (4) (Cp∗ = η5-C5(CH3)5; Cp = η5-C5H5) have been synthesized and isolated in high yields as tetrafluoroborate salts. ... -
Variance Estimation in Stratified Random Sampling in the Presence of Two Auxiliary Random Variables
(International Journal of Science and Research, 2014)The objective of this paper is to develop an improved population variance estimators in the presence of two auxiliary variables in stratified random sampling adapting the family of estimators proposed by Koyunchu and ... -
The importance of lipoxygenase control in the production of green leaf volatiles by lipase-dependent and independent pathways
(Frontiers in Plant Science, 2014)Green leaf volatiles (GLVs) are six-carbon volatile compounds. They are formed from fatty acids by a dioxygenation reaction catalyzed by lipoxygenase and a subsequent cleavage reaction catalyzed by hydroperoxide lyase. GLVs ...