Journal Articles: Recent submissions
Now showing items 2901-2920 of 4120
-
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 -
Energy Evaluation and Qualitative Analysis of Biogas Produced from Co-Digesting Kitchen Waste and Cow Dung
(Physical Science International Journal, 2017)Anaerobic digestion is an effective method for organic pollution reduction and bio-energy production and has increasing applications worldwide. Produced biogas consists mainly of 50–70% methane (CH4) and 30–50% carbon ... -
Livestock for household food security-A case study of small-scale mixed farmers in semi-arid Nyakach, Kenya
(International Journal of Livestock Research, 2016)This paper considers both direct and indirect contributions of livestock to food security in semi-arid parts of Nyakach. Livestock production is a major component of the agricultural economy of developing countries and ... -
Understanding yields in alley cropping maize (Zea Mays L.) and Cassia siamea Lam. under semi-arid conditions in Machakos, Eastern Kenya
(IOS Press, 2001-01-01)Six seasons of experiments in Machakos, Kenya, revealed that above about 150 mm of rainfall, maize yields per row in alley cropped "replacement" agroforestry (AF) plots, of Cassia siamea Lam. and maize (Zea mays, cv. ... -
Effects of salinity on growth and photosynthesis of avocado seedlings
(Asian Network for scientific information, 2007-01-01) -
Assessing micronutrient status in the presence of inflammation: comparing approaches in children aged 2-6 years from rural Western Kenya
(2011)Introduction: Malnutrition and Inflammation are highly and concurrently prevalent in preschool children in rural Western Kenya, making estimation of those at risk of deficiency difficult. Different approaches have been ... -
Growth of avocado plants under saline conditions
(Taylor & Francis Group, 2007-12-13)Avocado (Persea americana Mill.) is an important multipurpose tree crop. A study was conducted to investigate the growth and gas exchange characteristics of avocado seedlings growing under different salinity levels. Plants ... -
Growth performance of bamboo in tobacco-growing regions in South Nyanza, Kenya
(Academic Journals, 2008)The study was carried out on 120 field experimentation sites where 2420 bamboo cuttings were planted under the same natural tobacco growing conditions in five different zones (that is, zone A = hillside/steep sloping ... -
Daily consumption of zinc fortified water increases daily zinc intake and improves overall morbidity from common childhood infections in rural Kenyan children: a randomized …
(2016-05-17)Background: Zinc deficiency is considered a significant public health problem in preschool children in Africa together with infections such as diarrhea, which further deplete the body of zinc. Young children are more ... -
Dailyfood-based dietary recommendations combined with zinc fortified drinking water ensure nutrient adequacy among 4-6 year old Kenyan children
(2016-05-17)Background: Zinc deficiency is considered a significant public health problem in preschool children in Africa together with infections such as diarrhea, which further deplete the body of zinc. Young children are more ... -
Potential of bamboo as an alternative crop and livelihood strategy to smallholder tobacco farmers in South Nyanza region, Kenya
(Maseno University, Kenya School of Environment and Earth Sciences, Maseno, KENYA, 2009)he presentation reviews successful crop diversification of 120 farm trial sites in Kenya, where bamboo seedlings were planted under the same growing conditions as tobacco crops in terms of soil, altitude, rainfall and ...
