School of Biological and Physical Science: Recent submissions
Now showing items 501-520 of 933
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Isolation and Identification by Morphological and Biochemical Methods of Antibiotic Producing Microorganisms from the gut of Macrotermes michaelseni in Maseno, Kenya
(Journal of Applied Biology & Biotechnology, 2016-01)The major gut microflora colonizing the hind gut of higher termites, include morphologically diverse microorganisms. The objective of this study was to identify by morphological and biochemical methods of the antibiotic ... -
Pathogenic Vibrio strains isolated from human stool and water samples from Western Kenya
(Journal of Microbiology and Infectious Diseases, 2016)Investigate the type of pathogenic Vibrio strains from water and stool samples collected from Migori, SonduMiriu, Nyando and Yala regions in Western Kenya. -
Source Attribution of Salmonella and Escherichia coli Contaminating Lake Victoria fish in Kenya
(RESEARCH GATE, 2018)Escherichia coli and Salmonella are major contaminants of fish from Lake Victoria but the sources and possible reservoirs of these microbes have not been determined. Fish and environmental samples were collected from five ... -
Bacterial biofilm cells quantification techniques: where is consensus in over two decades?
(Faculty of Biotechnology and Food Sciences in Nitra, Slovakia, 2019-01-12)It is widely accepted that bacterial biofilms are overly resistant to antibiotics, host immunity and disinfectants. Biofilms develop on various food-processing surfaces hence pose major risks in food industries. Biofilms ... -
Evaluation of the Implementation and utilisation of a Case Based Diseases Surveillance (electronic Integrated Disease Surveillance and Reporting (eIDSR-CBS)) in the West Nile …
(Texila International Journal of Public Health, 2019-12)West Nile is vulnerable to repeated disease outbreaks due to instability and refugees from South Sudan and Congo. Uganda is implementing integrated disease surveillance (IDSR) and piloting electronic IDSR (eIDSR-CBS) ... -
Stocking Density Induced Stress on Plasma Cortisol and Whole Blood Glucose Concentration in Nile Tilapia Fish (Oreochromis niloticus) of Lake Victoria, Kenya
(Hindawi, 2020-07-17)Effects of high stocking densities (HSDs) were evaluated for Nile tilapia fish (Oreochromis niloticus) under culture to determine its influence on plasma cortisol and whole blood glucose concentration. Plasma cortisol ... -
General analytical solution for the one dimensional regular Cauchy problem of Euler-Poisson-Darboux equation
(Hikari Ltd, 2017)A general analytical solution to the one dimensional regular Cauchy problem of Euler-Poisson-Darboux (EPD) equation has been investigated. The one dimensional EPD which is a Partial Differential Equation (PDE) with initial ... -
The Acoustic Wave Propagation Equation: Discontinuous Galerkin Time Domain Solution Approach
(Hikari Ltd, 2019)This paper discusses a finite element method, discontinuous Galerkin time domain approach that solves the 2-D acoustic wave equation in cylindrical coordinates. The method is based on discretization of the wave field ... -
Improved biodegradation of 1,2,4-trichlorobenzene by adapted microorganisms in agricultural soil and in soil suspension cultures
(Pedosphere, 2011)Inoculating soil with an adapted microbial community is a more effective bioaugmentation approach than inoculation with pure strains in bioremediation. However, information on the potential of different inocula from sites ... -
Enhancement of degradation of DDT and HCB in tropical clay soils in model experiments
(Technische Universität München, 2010)This study sought to enhance the degradation of two persistent organic pollutants (POPs) – DDT and HCB – in two tropical clay soils in model laboratory experiments. Anaerobic-aerobic cycles and amendment with compost were ... -
Degradation capacity of a 1, 2, 4-trichlorobenzene mineralizing microbial community for traces of organochlorine pesticides
(Elsevier, 2010-07-15)A soil-borne microbial community isolated from a contaminated site was previously shown to mineralize 1,2,4-trichlorobenzene (1,2,4-TCB) under aerobic conditions. The key degrader in this community was identified as ... -
Effects of autoclaving and mercuric chloride sterilization on PAHs dissipation in a two-liquid-phase soil slurry
(Elsevier, 2011-02-01)A two-liquid-phase (TLP) soil slurry system was employed to quantify the efficiencies of autoclaving and mercuric chloride sterilization in the dissipation of polycyclic aromatic hydrocarbons (PAHs). The fates of 11 PAHs ... -
Enhanced microbial degradation of humin-bound phenanthrene in a two-liquid-phase system
(Elsevier, 2011-02-28)Humin, the main component of soil organic matter, greatly influences the nonlinear sorption and desorption hysteresis of polycyclic aromatic hydrocarbons (PAHs) in soil. However, little is known about the bioavailability ... -
Extracellular polymeric substances enhanced mass transfer of polycyclic aromatic hydrocarbons in the two-liquid-phase system for biodegradation
(Springer-Verlag, 2011-05-01)The objective was to elucidate the role of extracellular polymeric substances (EPS) in biodegradation of polycyclic aromatic hydrocarbons in two-liquid-phase system (TLPs). Therefore, biodegradation of phenanthrene (PHE) ... -
Improved biodegradation of 1, 2, 4-trichlorobenzene by adapted microorganisms in agricultural soil and in soil suspension cultures
(Elsevier, 2011-08-01)Inoculating soil with an adapted microbial community is a more effective bioaugmentation approach than inoculation with pure strains in bioremediation. However, information on the potential of different inocula from sites ... -
Chemical extraction to assess the bioavailability of chlorobenzenes in soil with different aging periods
(Springer-Verlag, 2011-12-01)Bioavailability is mainly influenced by aging and desorption of contaminants in soil. The purpose of this study was to investigate the desorption kinetics of chlorobenzenes (CBs) in soil and to investigate whether chemical ... -
Bioavailability assessment of hexachlorobenzene in soil as affected by wheat straw biochar
(Elsevier, 2012-05-30)Biochar incorporation with soil could increase sorption of organic contaminants, thereby reducing their bioavailability. In this study, the effects of wheat straw biochar on the sorption, dissipation and bioavailability ... -
Does powder and granular activated carbon perform equally in immobilizing chlorobenzenes in soil?
(Royal Society of Chemistry, 2015)The objective of this study is to compare the efficacies of powder activated carbon (PAC) and granular activated carbon (GAC) as amendments for the immobilization of volatile compounds in soil. Soil artificially-spiked ... -
Enhanced soil washing process for the remediation of PBDEs/Pb/Cd-contaminated electronic waste site with carboxymethyl chitosan in a sunflower oil–water solvent system and …
(Springer Berlin Heidelberg, 2015-02-01)An innovative ex situ soil washing technology was developed to remediate polybrominated diphenyl ethers (PBDEs) and heavy metals in an electronic waste site. Elevated temperature (50 °C) in combination with ultrasonication ... -
Evaluation of enhanced soil washing process with tea saponin in a peanut oil–water solvent system for the extraction of PBDEs/PCBs/PAHs and heavy metals from an electronic …
(John Wiley & Sons, Ltd, 2015-11)Problems associated with PBDEs/PCBs/PAHs and heavy metals mixed contaminated sites have received wideattention. To address the associated environmental concerns, innovative remediation techniques are urgently needed