Browsing RP-Department of Chemistry by Title
Now showing items 1-20 of 500
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1,8-Cineole: An attractant for the banana weevil, Cosmopolites sordidus
(Elsevier, 1996-07)1,8-Cineole was identified as one of the electrophysiologically active components of the volatiles from banana cultivars susceptible to the banana weevil. It was also shown to be an attractant for the banana weevil Comopolites ... -
2-Chlorobicyclo[2.2.1]hept-5-ene-2-carboxamide and 2-chlorobicyclo[2.2.1]heptane-2-carboxamide as precursors of bicyclo[2.2.1]hept-5-en-2-one and bicyclo[2.2.1]heptan-2-one: resolution, absolute configuration and hydrogen-bonding properties
(Elsevier, 2005-08-15)The absolute configuration of bicyclo[2.2.1]heptan-2-one has not been correlated with a crystal structure of a chemical precursor. The only chemical correlation available had an ambiguity, which could have reversed the ... -
2-Hydroxy-4-Methoxybenzaldehyde: Larvicidal Structure-Activity Studies
(2005)2-Hydroxy-4-methoxybenzaldehyde (1), a compound isolated from Mondia whytei (Hook) Skeels (Asclepiaceae) roots exhibited larvicidal activity (LD5022 mg/mL). A total of 18 other derivatives and closely related congeners ... -
A 4-Alkyl-substituted Analogue Of Guaiacol Shows Greater Repellency To Savannah Tsetse (Glossina spp.)
(Springer-Verlag, 2007-05)The responses of Glossina morsitans morsitans Westwood to guaiacol (2-methoxyphenol), a mild repellent constituent of bovid odors, and seven analogues comprising 2-methoxyfuran, 2,4-dimethylphenol, 2-methoxy-4-methylphenol ... -
Addition of carbenes derived from aryldiazoacetates to arenes using chloro(tetraphenylporphyrinato)iron as catalyst Read More: http://www.worldscientific.com/doi/abs/10.1142/S1088424609000036
(2009-01)Chloro(tetraphenylporphyrinato)iron, Fe(TPP)Cl, is an active catalyst for the Büchner addition of para-substituted methyl 2-phenyldiazoacetates, 1a–d, to substituted benzenes. Yields greater than 70% have been achieved at ... -
Adsorption kinetics and isotherms of methylene blue by geopolymers derived from common clay and rice husk ash
(Scientific & Academic Publishing, 2017)With the onset of industrialization mankind has witnessed various environmental issues in the society. Industrialization has not only brought development and prosperity but eventually disturbed the ecosystem. It is ... -
Adsorption Kinetics and Isotherms of Methylene Blue by Geopolymers Derived from Common Clay and Rice Husk Ash
(Scientific & Academic Publishing., 2017)With the onset of industrialization mankind has witnessed various environmental issues in the society. Industrialization has not only brought development and prosperity but eventually disturbed the ecosystem. It is ... -
Adsorption of Lead (ii), Chromium (vi) and Manganese (ii) metal ions from water using modified Pennisetum purpureum Schumach plant stalk
(2022)Water pollution is a global problem affecting humanity. Availability of clean water is a fundamental prerequisite to public health safety and the survival of the human race as well as animals. However, pollution of river ... -
Adulticidal activity and Toxicity of Extractives from Teclea Trichocarpa against Adult Maize Weevil (Sitophilus Zeamais)
(Annals. Food Science and Technology Volume 13, Issue 2, 2012, 2012)With a growing world population and increased affluence leading to demand for more and higher quality foods, and given environmental problems such as soil degradation, water scarcity, and biodiversity loss, new and ... -
Advances in Green Nanotechnology: Data for Green Synthesis and Characterization of Iron Nanoparticles Synthesized Using Galinsoga Parviflora, Conyza Bonariensis and Bidens Pilosa Leaf Extracts, and their Application in Degradation of Methylene Blue Dye and Rifampicin Antibiotic
(Elsevier, 2023)This data article reports contents of the information derived from an efficient, environmentally friendly, and lowcost method of synthesis and recovery of iron nanoparticles using Galinsoga parviflora, Conyza bonariensis ... -
Alkaloids from Ammocharis tinneana
(Phytochemistry, 1999)Sixteen alkaloids have been isolated from fresh bulbs of Ammocharis tinneana (Amaryllidaceae), seven of which contain a 1,2β-epoxide group. 6α-Hydroxycrinamidine and 6α-hydroxyundulatine are reported here for the first ... -
Alum treated grey water for toilet flushing, mopping and laundry work
(2012-03-20)The paper presents the study carried out in a peri urban settlement of Nairobi Kenya and involved treatment of raw grey water generated from bathroom, kitchen and laundry for flushing toilet and laundry work. The study ... -
Ameliorating Sisal Leaf Wastes in Purveying Plant Macronutrients
(International Journal of Research and Analytical Reviews (IJRAR), 2020)Sisal (Agave sisalana) is extensively grown in Kenya. It is a high waste generating crop. Waste disposal has remained a challenge to the sisal processing set ups. The wastes are used as landfills and or are burned to ashes ... -
Analysis Levels of Boron in Three Varieties of Watermelons from Githurai and Mwea Markets in Kenya
(2013-01)The paper represents a study carried on concentration of silicon in parts of three varieties of watermelons namely the Charleston grey (sugar Fl), Crimson sweet (Zebra) and the Sugar baby. Watermelons were obtained from ... -
Analysis of Deltamethrin Residue Amounts Using HPLC in Some Vegetables Consumed in a Rural Area - Makuyu, Kenya
(Globeedu Group, 2014)Vegetables are brimming with fibre, plus a whole range of vitamins and minerals, and because they are low in calories, they make an important and healthy addition to any diet. Scientific studies have shown that people who ... -
Analysis of Essential Oil from Kenyan Eucalyptus Globulus Labill.
(Faculty of Science Kenyatta University, 1998)The essential oil of fresh leaves of Eucalyptus globulus Labill. (Myrtaceae) obtained from Muguga Arboretum, Kiambu District, Kenya, was extracted by steam distillation for varying times and analysed using GC and GC-MS. ... -
Analysis of genetic structure of Melia volkensii (Gurke.) populations using random amplified polymorphic DNA.
(African Journal of Biotechnology, 2004)Melia volkensii (Gurke.) is a popular fast growing agroforestry tree species in the East Africa’s arid and semi arid lands (ASALs). The species is valued for its high quality termite resistant timber. In addition, its ... -
Analysis of the levels of arsenic in home-made brews, spirits, in water and raw materials using Hgaas in Nairobi county
(Academic Journals, 2013-08)This study was carried out to determine the levels of arsenic in the home-made brews, home-made spirits, raw materials and water. One hundred and thirty two home - made alcoholic beverages, one hundred and ten water and ... -
Analysis of the levels of arsenic, Nitrate, Nitrite and Phosphate in home made brews, spirits, tap water and in raw materials in Nairobi County
(2012-03)Alcohol and water may be an important source of exposure to arsenic, nitrate, nitrite and phosphate. Increased cases of deaths as a result of consuming home made brews/spirits have been a major concern in this country. ... -
Anopheles gambiae (Diptera: Culicidae) oviposition as influenced by type of water infused into black and red soils of western Kenya
(Cambridge University Press, 2007-03)The aim of this study was to document what water types were most stimulatory to oviposition by the malaria mosquito, Anopheles gambiae Giles s.s. In laboratory choice tests, dishes of black cotton and red laterite soils ...
