Gold Collection: Recent submissions
Now showing items 201-220 of 822
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River flow modelling for flood prediction using artificial neural network in ungauged Perkerra catchment, Baringo County, Kenya
(Water Practice and Technology, 2022-04-11)rtificial neural network (ANN) modelling has been applied successfully in hydrology to predict future flows based on previous rainfall-runoff values. For a long time, flooding has been experienced in the surrounding areas ... -
Modeling Optimal Canal Conveyance Capacity for the Ahero Irrigation Scheme using the Hydrologic Engineering Centre River Analysis System (HEC-RAS)
(JOURNAL OF WATER MANAGEMENT MODELING, 2023-12-11)Irrigation plays a critical role in addressing food security as envisaged in Kenya’s development blueprint, the Big Four Agenda. However, the performance of any open channel irrigation system is a function of its canal ... -
Influences of Different Soil Erosion Control Methods on Bean Production Characteristics and yield
(AUTHOREA, 2020-07)Erosion negatively affects crop yields and decreases crop productivity. It removes nutrients, reduces rooting depth, and damages soil structure, resulting in negative nutrient balances and lower crop yields. A study for ... -
Phytochemical Composition and Antibacterial Activity of Fruit Extract of Solanum incanum L. against Ralstonia solanacearum
(Asian Journal of Applied Chemistry Research, 2021-10-06)Aims: To determine the phytochemical composition and antibacterial activity of Solanum incanum fruits against Ralstonia solanacearum. Study Design: Experimental design involving completely randomized design Place and ... -
Dyeing Properties of Vilangin Synthesized from Embelin on Cotton Fibre
(European Journal of Applied Sciences, 2021-12-25)Semi synthesis involves the use of chemical compounds isolated from natural sources as the starting materials to produce other distinct compounds with added value and improved chemical properties. Most ... -
Molecular Docking Interactions with Mycobacterial ATP and Polyketide-13 Synthase Enzymes of Phytoconstituents Isolated from Entada abyssinica Stem Bark
(Biointerface Research in Applied Chemistry, 2022-11-09)The search for novel therapies for tuberculosis continues due to the emergence of resistant strains, adverse drug reactions, and potential drug-drug interactions of antitubercular drugs. This study was undertaken to ... -
Reduction and Degradation of Paraoxon in Water Using Zero-Valent Iron Nanoparticles
(Sustainability, 2022-08-02)Paraoxon is an emerging organophosphate pollutant that is commonly used as a pesticide and a drug, hence increasing the risk of contamination of water supplies. Its intensive use for vector control has led to pollutions ... -
Deciphering the antimycobacterial, cytotoxicity and phytochemical profile of Entada abyssinica stem bark
(An International Journal of Plant Research and Biotechnology, 2023-09-07)Organic (acetonic, chloroform, methanolic and hexanic) extracts of Entada abyssinica stem bark were screened for their antimycobacterial, cytotoxicity and phytochemical profiles. Microplate Alamar Blue and MTT assays were ... -
Optimized Dyeing of Cotton with semi-synthetic Embelin Ninhydrin Dye Obtained by Chemical Modification of Embelin from Embelia Schimperi
(Journal of Natural Fibers, 2022-08-08)Chemical modification is a promising path to address the limitations of a natural dye, such as limited shades and inadequate fastness properties. This study investigated the modification of embelin (2, 5-dihydroxy-3-undecyl-1, ... -
In Vitro Antibacterial Activity of Essential Oils from Tithonia Diversifolia Leaves and Flowers Against Ralstonia Solanacearum
(European Journal of Applied Sciences, 2022-04-25)Bacterial wilt disease caused by Ralstonia solanacearum is a major constraining factor in the production of tomatoes in Kenya, leading to an overreliance on synthetic pesticides. As a result, ... -
Phytochemical Composition, Antioxidant and Antiproliferative Activities of African Basil (Ocimum gratissimum L.) Leaves
(Asian Journal of Applied Chemistry Research, 2020-09-01)Aim: To determine the phytochemicals in Ocimum gratissimum leaves, their phenolic content, antioxidant potential and antiproliferative activity against human prostate (DU145), colon (CT26) and cervical (HeLa 229) cancer ... -
Synthesis, Characterization, and Evaluation of the Remediation Activity of Cissus quadrangularis Zinc Oxide Nanoparticle-Activated Carbon Composite on Dieldrin in Aqueous Solution
(Journal of Nanotechnology, 2022-04-21)In this study, zinc oxide-activated carbon nanocomposite was used as the adsorbent for the remediation of dieldrin in aqueous media. Zinc oxide nanoparticles (ZNPs) were synthesized from Cissus quadrangularis (C. quadrangularis) ... -
Phytochemical composition, antioxidant and antiproliferative activities of Rosmarinus officinalis leaves
(French-Ukrainian Journal of Chemistry, 2020-12-22)Phytochemicals in Rosmarinus officinalis leaves, their total phenolic content, antioxidant potential and antiproliferative activity against human prostate (DU145), colon (CT26) and cervical (HeLa 229) cancer cells were ... -
Ethanol Conversion to Butanol over Small Coinage Metal Clusters: An Experimental and Computational Study
(Journal of Cluster Science, 2022-08-26)We illustrate the mechanism for the C–O, C–H and O–H bond activation in the coupling of ethanol to butanol over small coinage clusters (copper, silver and gold). It is found that charge transfer interactions between the ... -
Biomolecular interactions of 1,3-bis(2-arylimino)isoindolate-based palladium(II) complexes: Substitution kinetics, DNA/protein-binding, and molecular docking approaches
(Inorganica Chimica Acta, 2023-12-01)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, ... -
Antimicrobial Activity of Euclea divinorum Hern (Ebenaceae) Leaves, Tender Stems, Root Bark and an Herbal Toothpaste Formulated from Its Ethanolic Root Bark Extract
(Medicine, Environmental Science, 2020-08-07)Aim: Euclea divinorum Hern (Ebenaceae) is a treasured East African medicinal plant which has a long use in the management of dental caries. However, there are few reports on the antimicrobial activity of its different parts ... -
Evaluation of dyeing properties of natural dyes extracted from the heartwood of Prosopis juliflora on cotton fabric
(Research Journal of Textile and Apparel, 2022-03-22)Purpose Considered as one of the most unwanted species by the International Union for Conservation of Nature, the Prosopis juliflora plant is a noxious and invasive weed. Recent studies suggest that the heartwood of the ... -
Phytochemical, Cytotoxicity, and Antimycobacterial Activity Evaluation of Extracts and Compounds from the Stem Bark of Albizia coriaria Welw ex. Oliver
(Evidence-Based Complementary and Alternative Medicine, 2022-01-22)ackground. Albizia coriaria Welw ex. Oliver (Fabaceae) is one of the plants used by herbalists in the East Africa community to prepare herbal remedies for the management of symptoms of TB. Despite its widespread use, the ... -
Sub-Acute Toxicity Effects of Methanolic Stem Bark Extract of Entada abyssinica on Biochemical, Haematological and Histopathological Parameters in Wistar Albino Rats
(Frontiers in Pharmacology, 2021-09-07)Background: Whereas the efficacy of Entada abyssinica (fabaceae) extracts against various ailments has been scientifically validated, its safety has not been established. This study was undertaken to evaluate the toxicity ... -
Traditional Medicinal Uses, Phytoconstituents, Bioactivities, and Toxicities of Erythrina abyssinica Lam. ex DC. (Fabaceae): A Systematic Review
(Evidence-Based Complementary and Alternative Medicine, 2021-03-04)Background. Many studies have been undertaken on the medicinal values of Erythrina abyssinica Lam. ex DC. (Fabaceae). The details, however, are highly fragmented in different journals, libraries, and other publication ...