Browsing Department of Basic Sciences by Title
Now showing items 1-20 of 41
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[3 + 2] Cycloaddition and Cascade Radical Reactions for the Synthesis of Trifluoromethylated Tetrahydrobenzodiazepin-3-ones
(2019-04-01)A reaction sequence involving three-component [3 + 2] cycloaddition of azomethine ylides followed by CuI catalyzed cascade trifluoromethyl radical addition and cyclization is developed for diastereoselective synthesis of ... -
[3+2] Cycloaddition-based one-pot synthesis of 3,9-diazabicyclo[4.2.1]nonane-containing scaffold
(2017-01)Three-component [3+2] cycloaddition followed by reduction and lactamization has been developed as a one-pot methodology for diastereoselective synthesis of 3,9-diazabicyclo[4.2.1]nonane-containing scaffold. -
Action and variation potential electrical signals in higher plants
(African Journal of Biological Sciences, 2021)This review evaluates the types of electrical signals (ESs) in plants, generation and propagation of various ESs, their ways of transmission within the plant body and their corresponding physiological significance. It also ... -
Adsorption of Lead (II) Ions from Aqueous Solutions Using Mangroves Roots (Rhizophora Mucronata) Charcoal-Carbon Nanotubes Nanocomposite
(2021-02)Providing clean and affordable water to meet human needs is a grand challenge of the 21st century. Worldwide, water supply struggles to keep up with the fast growing demand, which is exacerbated by population growth, global ... -
Adsorption of rhodamine b from aqueous solution using mangroves (Rhizophora mucronata) carbon nanotubes nanocomposites
(2021-03-03)The use of dyes has increased dramatically and uncontrollably in last few decades. Different types of dyes are frequently employed in plastics, paper, cosmetics, leather, and textile industries for coloring purposes. These ... -
Analysis of Effect of Inclined Magnetic Field on MHD Boundary Layer Flow over a Porous Exponentially Stretching Sheet Subject to Thermal Radiation
(2021-10-30)MHD flow has a wide range of industrial applications such as MHD propulsion for space exploration, cooling of nuclear reactors, electronic packages, microelectronic devices, and many more. Due to this, a study on the ... -
Arduino Uno, Ultrasonic Sensor HC-SR04 Motion Detector with Display of Distance in the LCD
(International Journal of Engineering Research & Technology (IJERT), 2020-05)- Motion detection has become one of the great areas of research in the world. Many activities are carried out in the presence of motion. One of the research focus has been the use of Arduino Uno microcontroller, Ultrasonic ... -
Assessment of Carbon Sequestration and Reflective Properties of High-Albedo C3 and C4 Plant Species: A Laboratory Approach
(Acta Scientific NUTRITIONAL HEALTH, 2024-12)This study explores the dual potential of high-albedo C3 and C4 plant species to mitigate regional climate change through carbon sequestration and reflective properties. C3 and C4 plants differ in their photosynthetic ... -
Chemical Composition, In vitro Digestibility and Gas Production of Selected Forages Preferred by Dromedary Camels in Peri Urban Area of Isiolo Town, Kenya
(2024)Inadequate feed resources in quantity and quality during dry season is the major factor affecting milk production in lactating dromedary camels under the peri-urban production system. This study aimed to evaluate the ... -
Chemical Constituents in Extracts from Leaves of Lantana trifolia and Their In Vitro Anti-oxidative Activity
(2014)Objective To isolate, purify, and analyze the anti-oxidants from the leaves of Lantana trifolia. Methods The anti-oxidative activities of the crude extracts from liquid-liquid extraction of L. trifolia leaves were assayed ... -
A Comparative Study of Caffeine Levels in Coffee and Cocoa in Kenyan Supermarkets and Shops
(Pan-African Journal of Health and Environmental Science (AHJES), 2024)Background: Caffeine is an alkaloid belonging to the methylxanthine family. An overdose of caffeine causes the following side effects: restlessness, nervousness, excitement, insomnia, flushed face, diuresis, gastrointestinal ... -
Development of Dimethylisoxazole-Attached Imidazo[1,2‑a]pyridines as Potent and Selective CBP/P300 Inhibitors
(2021)The use of epigenetic bromodomain inhibitors as anticancer therapeutics has transitioned from targeting bromodo main extraterminal domain (BET) proteins into targeting non-BET bromodomains. The two most relevant non-BET ... -
Efficacy of Mangrove (Rhizophora Mucronata) Roots Powder in Adsorption of Lead (II) Ions from Aqueous Solutions: Equilibrium and Kinetics Studies
(2016-08)The removal of Pb (II) ions by adsorption onto mangrove roots adsorbent was investigated in this present paper. The removal of lead ions from aqueous solutions was investigated in batch mode which involved the study of ... -
Equilibrium and Kinetics Studies for the Adsorption of Aqueous Cu (II) ions onto Mangroves Biomass
(2013)In this study, adsorption of copper from aqueous solutions was investigated using mangrove biomass from the Kenyan Coast. The efficacy of mangrove biomass on the removal of copper (II) ions from aqueous solutions was ... -
Evaluation Of Mung Bean (Vigna Radiata) Varieties For Resistance To Bruchid (Callosobruchus Spp) Infestation Using The “No Choice Test"
(IOSR Journal of Agriculture and Veterinary Science (IOSR-JAVS), 2024-09)Mung beans (Vigna radiata) commonly known as green grams, are an important legume crop cultivated for food and as a source of income. Mung bean seeds are highly susceptible to infestation by bruchids (Callosobruchus spp), ... -
Evaluation of Selected Green Gram (Vigna Radiata) Varieties Against Insect Pests Infestation in The Field, Tharaka Sub-County, Kenya
(2023-10)Background: Green grams farming plays a vital role in Tharaka and the country(Kenya) at large by ensuring food security, creating employment for rural households and greatly contributing to the national economy. However, ... -
Forecasting Outpatient Visits At Marimanti Level 4 Hospital: Time Series Analysis Using Sarima Model
(IOSR Journal of Mathematics (IOSR-JM), 2024-10-26)The outpatient department (OPD) is the first point of contact in all hospitals, and patients create opinions about the hospital based on the quality of service they receive at OPD. The purpose of the study is to develop a ... -
Gamma ray spectrometric analysis and assessment of radiation hazards in soils of Mbeere North region, Kenya
(Radiation Protection Dosimetry, 2024)This study used gamma ray spectrometry to determine the radiological safety of construction soil sampled randomly from MbeereNorth region, Kenya. The mean activity concentration of 232Th, 238U, and 40K was 149.7 ± 2.8 ... -
Improving Credit Modeling Accuracy in the Financial Sector: Evaluating the Effectiveness of the Synthetic Minority Oversampling Technique (SMOTE)
(INTERNATIONAL JOURNALS OF ACADEMICS & RESEARCH, 2024)Credit modeling especially in the financial sector, faces significant challenges in deep learning applications. Accurate credit modeling is essential for financial institutions to assess credit risk and make informed lending ... -
Isolation and Identification of Bioactive Constituents from Stem Barks of Illicium difengpi
(2014)Objective To isolate and identify bioactive constituents from the stem barks of Illicium difengpi. Methods The chemical constituents were isolated and purified by repeated silica gel, Sephadex LH-20, recrystallization, and ...