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Now showing items 15175-15194 of 15465
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A survey on knowledge, attitude, and practice about antibiotic prescribing and resistance among medical practitioners in Kenya [version 1; peer review: awaiting peer review]
(AAS Open Research, 2022)Antibiotic resistance is a growing global health threat worldwide and especially in developing countries. Irrational antibiotic prescription as well as lack of the requisite knowledge and awareness of proper antibiotic ... -
SURVIVAL MODELS ACMT 412
(Chuka University, 2023) -
SURVIVING A PANDEMIC CRISIS: STRATEGIES FOR TOURISM AND HOSPITALITY INDUSTRY IN KENYA
(Chuka University, 2022)Global disease outbreaks have become a major concern for sustainability of tourism and hospitality industry. Recently, many top performing tourism destinations were gripped by Covid-19 and Kenya was not spared either. There ... -
Sustainable Management of Rangelands: An Assessment of Invasion Co asion Cover Trajectories and Their Contribution t ories and Their Contribution to Invasion Management in Marigat Sub-County, Kenya
(University of Kentucky UKnowledge, 2021-10)Invasive alien species have complex spatiotemporal patterns of spread beyond geographical and jurisdictional boundaries. This calls for a coordinated management approach that is spatially explicit, extends beyond individual ... -
Synchronous Learning Demonstration
(2022-07-01) -
Synergistic Evaluation of Selected Plant Extracts on Potency of Pyrethrins against the Maize Weevil, Sitophilus zea-mais (MOTSCH.)
(Merit Res. J. Agric. Sci. Soil Sci., 2020)The interest in utilization of botanical insecticides, particularly essential oils have become increasingly relevant in the control of insect pests. Many plant products and their bioactive compounds with repellent, antifeeding ... -
SYNERGISTIC QUALITIES OF SELECTED PLANT EXTRACTS ON POTENCY OF PYRETHRINS AGAINST THE MAIZE WEEVIL, SITOPHILUS ZEA-MAIS (MOTSCH.) (COLEOPTERA: CURCULIONIDAE)
(Chuka University, 2020-12)Post-harvest losses of grains are a major hindrance to attainment of food security in Kenya due to infestation of coleopteran grain pests such as weevils. Although synthetic chemical insecticides are being used in their ... -
Synthesis and characterization of half-sandwich ruthenium(II) complexes with N-alkyl pyridyl-imine ligands and their application in transfer hydrogenation of ketones
(2016-08-24)A series of new arene ruthenium(II) complexes were prepared by reaction of ruthenium(II) precursors of the general formula [(η6-arene)Ru(μ-Cl)Cl]2 with N,N′-bidentate pyridyl-imine ligands to form complexes of the type ... -
Synthesis and characterization of piano-stool ruthenium complexes with N,N′-pyridine imine bidentate ligands and their application in styrene oxidation
(Elsevier, 2016-04)The new complexes [(η6-arene)RuCl(C5H4N-2-CH N-R)]PF6 (arene = C6H6 with R = 4- flourophenyl (1), 4-chlorophenyl (2), 4-bromophenyl (3), 4 -iodophenyl (4), 2, 5-dichlorophenyl (5) or p-cymene with R = 4-flourophenyl (6), ... -
Synthesis and characterization of some new half-sandwich ruthenium(II) complexes with bidentate N,N′-ligands and their application in alcohol oxidation
(2016)Graphical abstract New ruthenium (II) pyridine-imine complexes have been prepared and characterized. They show good catalytic activity in the oxidation of alcohols to carbonyl products using NaIO4 in a H2O/tert-butanol mixture. -
Synthesis and characterization of water-soluble arene- ruthenium complexes and their application in biphasic olefin oxidation
(2018-12-25)New water-soluble complexes [(η6-C6H6)RuCl(C5H4N-2-CH = N-R)]Cl (1) (with R = 4-hydroxymethylphenyl (a), 2,4-dichlorophenyl (b), 2-fluorophenyl (c), 3-carboxyphenyl (d)) have been synthesized by reacting [(η6-C6H6)Ru(μ-Cl)Cl]2 ... -
Synthesis and electrochemical studies of heterobinuclear complexes containing copper and molybdenum nitrosyl groups linked by Schiff base ligands
(Springer, 2000-08)Abstract The reaction of [MoCl(NO)Tp * = tris(3,5-dimethylpyrazolylborate] with copper Schiff base complexes derived by condensation of one mole each of 2,5-dihydroxybenzaldehyde and salicylaldehyde with α,ω diamines ... -
Synthesis and Insecticidal activities of some selected hydroxytriazenes
(2012-10)Eight hydroxytriazenes were synthesized and then subjected to spot tests. The composition of these hydroxytriazenes was analyzed using elemental analysis and their physical characteristics like melting point, crystal shape ... -
Synthesis and insecticidal activities of some selected hydroxytriazenes
(2011-10)Eight hydroxytriazenes were synthesized and then subjected to spot tests. The composition of these hydroxytriazenes was analyzed using elemental analysis and their physical characteristics like melting point, crystal shape ... -
Synthesis and insecticidal activities of some selected hydroxytriazenes. Journal of Environmental Chemistry and Ecotoxicology
(2011-10)Eight hydroxytriazenes were synthesized and then subjected to spot tests. The composition of these hydroxytriazenes was analyzed using elemental analysis and their physical characteristics like melting point, crystal shape ... -
Synthesis, characterization and applications of transition metal-doped manganese oxide catalysts.
(2019)Manganese oxide octahedral molecular sieves exhibit good conductivity, tunable redox properties, high porosity and excellent thermal stability. Thus, these materials have several potential applications as cathodic materials ... -
Synthesis, characterization and electrochemistry of heterobimetallic complexes containing molybdenum(II) nitrosyl and manganese(II)-Schiff base Bull.
(Chemical Society of Ethiopia, 2010)ABSTRACT. ABSTRACT New complexes derived from the reaction of Mo(NO)Tp *Cl2; Tp * = tris(3,5-dimethylpyrazolyl) borate with a series of manganese(II) Schiff bases have been synthesized. Characterization by UV, IR, MS ... -
Synthesis, characterization and electrochemistry of heterobimetallic complexes containing molybdenum(II) nitrosyl and manganese(II)-schiff base centers
(Chemical Society of Ethiopia, 2010)New complexes derived from the reaction of Mo (NO)Tp *Cl2; Tp * = tris(3,5-dimethylpyrazolyl) borate with a series of manganese(II) Schiff bases have been synthesized. Characterization by UV, IR, MS and elemental analysis ... -
Synthesis, characterization, and antimicrobial studies of half-sandwich η6-toluene ruthenium complexes with N,N′-bidentate ligands
(Taylor and Francis, 2020-07-29)Nine new complexes [(η6-C6H5-CH3)RuLCl]+(PF6)ˉ (where L = N,N′-bidentate ligand; (C5H4NCH = N-Ar) where Ar = 4-methylphenyl (C20H20ClF6N2PRu, 1); 3,4-dimethylphenyl (C21H22ClF6N2PRu, 2); 2,4,6-trimethylphenyl (C21H24ClF6N2PRu, ... -
Synthesis, Characterization, Electrochemical and Antibacterial Studies of Half-sandwich Ru(II) Complex of 4-fluoro-N-(2-pyridiylmethylene)-aniline Schiff Base
(2018-10)The 4-fluoro-N-(2-pyridiylmethylene)-aniline Schiff base ligand (L) and its complex has been synthesized and successfully characterized by 1H NMR, elemental analysis, UV/VIS spectroscopy. Electrochemical properties were ...