School of Pure and Applied Sciences (JA): Recent submissions
Now showing items 21-40 of 263
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A Review of Chemical Compounds and Bioactivity of Conyza Species
(2023-06)A large proportion of the African population's primary healthcare requirements are still mostly met by traditional medicine. Previous studies have demonstrated the potential of plant extracts disease management. Conyza ... -
Chemical Composition And Biological Activity Of Extracts From Conyza Species
(iosrjournals.org, 2023-04)The genus Conyza (Asteraceae) comprises about 50 species and found in the tropical and warm regions. Extracts from Conyza species have numerous pharmacological applications. The aim of this study was review the chemical ... -
Dietary practices, habits and physical activity levels of the Swahili community, Kenya in relation to obesity and chronic diseases of lifestyle
(2018-11)Chronic diseases of lifestyle like diabetes mellitus and hypertension appear at greater rates in populations which consumed high fat, high calorie diets and engaged in low or no physical activity. Physical inactivity and ... -
Food insecurity, a perceived barrier to healthy eating in the Lake Victoria Region, Kenya: Findings from a qualitative study
(2022-09)Consumption of poor-quality diets was noted as prevalent in the Lake Victoria Region, Kenya. As a strategy to communicate desirable change and promote healthy eating in the region, a 30-member panel of policymakers and ... -
Perception of proposed preliminary food-based dietary guidelines for Lake Victoria region of Kenya: findings from a qualitative study among adult community members
(2022-06)Background: Diets in the Lake Victoria region of Kenya have been described as monotonous, consisting chiefly of starchy staple foods, accompanied by green vegetables and oil. To promote healthy eating in the region, 11 ... -
A Review of Fatty Acid Components in Avocado
(2023-03)Avocado is one of the world's most economically significant tropical fruit crops. In recent years, there has been a lot of interest in avocado as a natural functional food in due to its excellent nutritional value and ... -
Chemical Composition of Essential Oils from Ocimum Kilimandscharicum: A Review.
(IOSR Journal of Applied Chemistry (IOSR-JAC).Volume 15, Issue 11 Ser. I (November 2022), PP 05-11, 2022)Traditional medicine plays an important role in disease especially in developing countries. The essential oils of Ocimum species showed anti-oxidant, anti-inflammatory, anti-cancer and insecticidal activities. Essential ... -
Facile Removal of Phenol from Aqueous Solution Using Modulated Cornstarch Impregnated With Triethanolamine as Adsorbent: Sorption Isotherms and Kinetics
(2022-08)Background: The sources of phenolics pollutants in water are mainly pharmaceutical and chemical industries. The compounds are carcinogenic, cytotoxic, mutagenic and teratogenic even at modest concentrations. These health ... -
Effects of Land Use and Land Cover Change on Potential Ecosystem Service Value in Mathioya Watershed, Murang’a County, Kenya
(2022-09)Wetlands in Mathioya watershed are declining due to continued alterations caused by human and natural factors. This study assessed the effects of spatiotemporal changes in Land Use and Land Cover (LULC), on potential ... -
Effects of Zeolite X on Dissipation of Hexazinone from Agricultural Waste Waters in Western Kenya
(2013-10)Dissipation of hexazinone in Zeolite X treated wastewater followed pseudo first-order kinetics giving a calculated half-life of 41 days compared to a half-life of 144 days in untreated wastewater. The herbicide degraded ... -
Effects of zeolites X and Y on the degradation of malathion in water
(Science Publishing Group, 2013-04)The inclusion of both zeolites X and zeolite Y significantly affected the dissipation of malathion in water. In the fresh water, malathion degradation followed a pseudo-first order kinetics with concomitant half-life ... -
Effects of Faujasite X and Y Zeolites on the 1,1,1-Trichloro-2,2? bis(p-chlorophenyl)ethane (DDT) Degradation during Water Purification
(Science Publishing Group, 2013-06)The ability of zeolites to abstract and denature organochloride pesticides finds application in water purification practices. In this study, activated faujasite X and Y zeolites were separately exposed to 1, 2 and 4 ppm ... -
Effects of Different Types of Zeolites on the Degradation Kinetics of Malathion Pesticide in Water
(2021-06)The study examined the effects of selected types of zeolites as an environmentally benign and friendly way to degrade, S-1, 2-bis (ethoxycarbonyl) ethyl O, O-dimethylphosphorodithioate (malathion), used as a model pesticide, ... -
The global spread of misinformation on spiders
(ScienceDirect, 2022-08-22)In the internet era, the digital architecture that keeps us connected and informed may also amplify the spread of misinformation. This problem is gaining global attention, as evidence accumulates that misinformation may ... -
Stored Grains Protection Activity of Ocimum Suave Extracts and Compounds on Larger Grain Borer
(IOSR Journal of Biotechnology and Biochemistry (IOSR-JBB) Volume 8, Issue 4 (Jul. – Aug. 2022), PP 05-10, 2022)Post-harvest pests cause serious losses to agricultural products in Africa. The pests consist mostly of beetles or moths and infest the grains at the crop stage or during the storage. Larger grain borer, Prostephanus truncatus ... -
Nestng success of Sharpe’s Longclaw (Macronyx sharpei Jackson, 1904) around the grasslands of lake Ol’bolossat Nyandarua, Kenya
(Journal of Threatened Taxa 14(1): 20461–20468, 2022)Sharpe’s Longclaw Macronyx sharpei is an endangered Kenyan endemic bird restricted to high-alttude grasslands with long tussocks. The species occurs on the grasslands surrounding Lake Ol’Bolossat in Nyandarua, Kenya, an ... -
Effect of carbonization on the surface and influence on heavy metal removal by water hyacinth stem-based carbon
(Management of Environmental Quality: An International Journal Vol. 33 No. 3, 2022 pp. 573-585, 2022)Purpose – The aim of this study is to examine the effect of carbonization on the surface and its influence on heavy metal removal by water hyacinth based carbon. Design/methodology/approach – Dried water hyacinth stem ... -
An expert-curated global database of online newspaper articles on spiders and spider bites
(Scientific Data, 2022)Mass media plays an important role in the construction and circulation of risk perception associated with animals. Widely feared groups such as spiders frequently end up in the spotlight of traditional and social media. ... -
Triterpenes and Sterols from Ocimum suave
(2022-07)Ocimum species which belong to the family Lamiaceae have several medicinal uses including antimalarial, antimicrobial, antidiabetic, hepato-protective, anti-inflammatory, anti-carcinogenic, cardio-protective and insect ... -
Effects of Lysinibacillus sphaericus on Physicomechanical and Chemical Performance of OPC Blended with Natural Tuff and Pulverized Fly Ash
(2022-06)This paper reports study findings on the use of Lysinibacillus sphaericus (at 1.0 × 107 cells/ml concentration) to enhance and improve the physicomechanical and chemical properties of blended Ordinary Portland Cement (OPC). ...
