Department of Chemistry
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Effect of the extended π-surface and N-butyl substituents of imidazoles on their reactivity, electrochemical behaviours and biological interactions of corresponding Pt(II)-CNC carbene complexes: exploring DFT and docking interactions†
(Royal Society of Chemistry, 2024-07-05)In this study, we synthesised and characterised three C^N^C pincer (N-heterocyclic carbene)-type tridentate ligands, namely, 2,6-bis[(3-methylimidazolium-1-yl)methyl]pyridine dibromide (L1), 2,6-bis[(3-methylbenzimidazol ... -
Slowing the reactivity of dicyclometalated Pd (II) complexes through the 2, 6-bis (N-heterocyclic carbene) pyridine (C^ N^ C) non-leaving ligands: kinetic and computational study
(Springer International Publishing, 2024-08-21)In this study, the kinetic and mechanistic studies of the substitution of chloride ligand of [(chloro)(2,6-bis(N-heterocyclic carbene)pyridine)Pd(II)]BF4 complexes, namely Pd1, Pd2, Pd3 and Pd4, by thiourea nucleophiles ... -
Synthesis of pumice and medical waste incinerator fly ash based phosphate geopolymers for methylene blue dye adsorption: co-valorization, parameters and mechanism
(Royal Society of Chemistry, 2024-09-26)In this study, four geopolymer composites, GP-0, GP-10, GP-20 and GP-30, were synthesized from pumice, an abundant and inexpensive volcanic rock precursor, substituted with fractions of 0, 10, 20 and 30% by weight of medical ... -
Simple and robust algorithms to estimate liveweight in African smallholder cattle
(CSIRO PUBLISHING, 2017)Measurement of liveweight of stock is one of the most important production tools available to farmers – playing a role in nutrition, fertility management, health and marketing. Yet most farmers in sub-Saharan Africa do not ... -
IPCC Tier 1 methodology overestimates the carbon footprint of smallholder cattle production systems in Kenya
(Research square, 2023-07-10)Highlights• Use of Tier 2 resulted in 19-25% lower total GHG emissions compared to Tier 1.• Using locally measured methane yield instead of the defaults resulted in 19-25% lower GHG emission estimates.• Energy allocation ... -
The Nexus between Electoral Management System and Post-Election Violence in Kenya Since 1963
(African Journal of Empirical Research (AJERNET), 2024-10-08)The study investigates the relationship between Kenya's electoral management system and post-election violence, which has per sisted despite numerous reforms since the country's independence in 1963. The primary aim was ... -
Potential of biochar amendment as phosphorus source in tropical paddy soil
(2023-12-14)Phosphorus (P) is an essential element for crop production but its non-renewable natural sources are on the verge of depletion. The few remaining P sources may be depleted in the next 30–50 years. This calls for P recycling ... -
Phytoremediation Potential of Cyperus Rotundus L. in Soils Contaminated with Potentially Toxic Elements, the Case of Abandoned Artisanal Small-Scale Gold Mines in Kenya
(International Journal of Research and Innovation in Social Science (IJRISS), 2024-09-18)Phytoremediation involves the use of plants for removal of pollutants from soil before its conversion for agricultural use. Cyperus rotundus L. is a reed that naturally grows in marshy and swampy areas including abandoned ... -
Sustainability of biochar amendment in a tropical paddy soil
(Elsevier, 2024-05-27)Biochar use as a soil amendment has attracted increased attention from researchers worldwide but its effects on soil properties, nutrients and greenhouse gas emissions remain scanty especially for tropical paddy soils. ... -
Capacity building in porous materials research for sustainable energy applications
(The Royal Society, 2024-08-09)The project aimed to develop porous materials for sustainable energy applications, namely, hydrogen storage, and valorization of biomass to renewable fuels. At the core of the project was a training programme for Africa-based ... -
Bioactive abietenolide diterpenes from Suregada procera
(Elsevier, 2024)The phytochemical investigation of the leaves and the roots of Suregada procera afforded the new ent-abietane diterpenoid sureproceriolide A (1) along with the known secondary metabolites 8,14β:11,12α-diepoxy-13(15)-abie ... -
Effect of the extended π-surface and N-butyl substituents of imidazoles on their reactivity, electrochemical behaviours and biological interactions of corresponding Pt(II)-CNC carbene complexes: exploring DFT and docking interactions†
(Royal Society of Chemistry, 2024)In this study, we synthesised and characterised three C^N^C pincer (N-heterocyclic carbene)-type tridentate ligands, namely, 2,6-bis[(3-methylimidazolium-1-yl)methyl]pyridine dibromide (L1), 2,6-bis[(3-methylbenzimidazol ... -
Undergraduate Medical Student Attrition at Maseno University School of Medicine
(Research square, 2024-07-12)Worldwide, admission into medical schools is highly competitive, and the training is very demanding. Despite having lower attrition rates than other university programmes, medical school attrition varies from as low as ... -
Croton's therapeutic promise: A review of its phytochemistry and critical computational ADME/Tox analysis
(Elsevier, 2024-08-01)The genus Croton (Euphorbiaceae family) is constituted of approximately 1300 species with remarkable ethnomedicinal backgrounds supported by extensive pharmacological studies alongside over 900 compounds associated with ... -
Assessment Of Ricinus Communis Ml Crude Extracts Towards Urinary Tract Infection Strains With Their Associated Ailments
(Academia, 2022-09-30)Cases of synergic Urinary Tract Infections with its associated ailments has become a menace. Due to its high costs of treatment, unavailability of relevant antibiotics, misdiagnosis and recurrence, most patients within ... -
Causes and Consequences of Post-Election Violence in Kenya
(2023-10-05)The election of leaders by the people is the aim of democratic procedures. An electoral system is intended to ensure that the outcomes reflect the preferences of the majority of voters, providing elected officials’ ... -
Optimization of parameters for bio-ethanol production from sweet sorghum (Sorghum bicolor (L.) Moench) stalk juice and finger millet malt using Taguchi method
(2024)Bio-ethanol is a promising renewable energy but its production is expensive from high cost of feedstocks. In this study, sweet sorghum (Sorghum bicolor (L.) Moench) stalk juice was investigated for bio-ethanol production. ... -
Antiplasmodial and antimicrobial activities of ent-abietane diterpenoids from the roots of Suregada zanzibariensis
(Taylor and Francis, 2022-12-28)The root extract ofSuregada zanzibariensisBaill. afforded six previ-ously describedent-abietane diterpenoids, namely 7-oxo-ent-abieta-5(6),8(14),13(15)-trien-16,12-olide (1), mangiolide (2),8,14b:11,12a-diepoxy ... -
Phytoconstituents with contact toxicity and antifeedant activities from Englerodaphne subcordata (Meisn) Engl.(Thymelaeaceae) crude leaf extracts
(Islamic Azad University, Shahrood Branch Press, 2023-09-01)Englerodaphne subcordata (Meisn) Engl. (Thymelaeaceae) is a shrub that grows in dry evergreen forests, acacia woodlands and wooded grasslands. Phytochemical evaluation of the ethyl acetate and methanol crude leaf extracts ... -
Biomolecular interactions of 1, 3-bis (2-arylimino) isoindolate-based palladium (II) complexes: Substitution kinetics, DNA/protein-binding, and molecular docking approaches
(Elsevier, 2023-08-22)A series of 1,3-bis(2-arylimino)isoindoline Pd(II) complexes core viz.; Chlorido(1,3-bis(2-pyridylimino)isoindoline)palladium(II), Pd1, Chlorido(1,3-bis(4-methyl-2-pyridylimino)isoindoline)palladium(II), Pd2, Chlorido(1, ...
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