Browsing Department of Basic Sciences by Issue Date
Now showing items 1-20 of 41
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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 ... -
A review on phenolic compounds in Illicium species and their pharmacological effects
(2013)This review focuses mainly on findings of chemistry and pharmacological activities of phenolic compounds in Illicium plants. The continued chemical studies of Illicium species such as I.difengpi, I.verum, I.griffithii, ... -
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 ... -
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 ... -
A review on chemistry of some species of genus Vepris (Rutaceae family)
(2014)This review presents the current known phytochemical constituents of the genus Vepris. The genus is a rich source of alkaloids and limonoids most of which possess the 3, 4-methylenedioxy moieties. They are frequently used ... -
A review on toxicity effects on Aconitum carmichaelii Debx (Chuan wu and Fuzi) and TCM processing approach ‘Pao zhi’ in reducing/ eliminating toxicity
(2015)Aconitum carmichaelii Debx. (Chuan wu & Fuzi) is one of the most widely used Chinese traditional medicinal herbs and is listed in the Chinese Pharmacopoeia. It has been used for the treatment of various conditions rheumatism ... -
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 ... -
Stereoselective synthesis of fused tetrahydroquinazolines through one-pot double [3 + 2] dipolar cycloadditions followed by [5 + 1] annulation
(2016-10)The one-pot [3 + 2] cycloaddition of an azomethine ylide with a maleimide followed by another [3 + 2] cycloaddition of an azide with the second maleimide gives a 1,5-diamino intermediate which is used for a sequential ... -
One-pot and catalyst-free synthesis of pyrroloquinolinediones and quinolinedicarboxylates†
(2017)A method for the catalyst-free synthesis of pyrroloquinolinediones and quinolinedicarboxylates is develo ped through a one-pot synthesis involving denitrogenation of azide, benzisoxazole formation, aza-Diels– Alder ... -
[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. -
Structure-Guided Design and Development of Potent and Selective Dual Bromodomain 4 (BRD4)/Polo-like Kinase 1 (PLK1) Inhibitors
(2018)The simultaneous inhibition of polo-like kinase 1 (PLK1) and BRD4 bromodomain by a single molecule could lead to the development of an effective therapeutic strategy for a variety of diseases in which PLK1 and BRD4 are ... -
Sequential (3 + 2) cycloaddition and (5 + n) annulation for modular synthesis of dihydrobenzoxazines, tetrahydrobenzoxazepines and tetrahydrobenzoxazocines†
(2018-06)A two-step method for the (3 + 2) cycloaddition of azomethine ylides followed by a double SN2 substi tution-based (5 + n) annulation is introduced for the modular synthesis of dihydrobenzoxazine, tetra hydrobenzoxazepine ... -
[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 ... -
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 ... -
Modeling Covariates of Infant and Child Mortality in Kenya
(2020-08)Mortality of children under the age of five has been target of public health policies. There has been a significant decline in under-five mortality in the twenty first century in almost all countries several studies have ... -
Monitoring Temperature and Humidity using Arduino Nano and Module-DHT11 Sensor with Real Time DS3231 Data Logger and LCD Display
(2020-12)Humidity and Temperature are crucial parameters for the optimal response of biological systems e.g. each has its own impact on growth and production of quality crops. There are several techniques of measuring humidity and ... -
Monitoring Temperature and Humidity using Arduino Nano and Module-DHT11 Sensor with Real Time DS3231 Data Logger and LCD Display
(International Journal of Engineering Research & Technology (IJERT), 2020-12)Humidity and Temperature are crucial parameters for the optimal response of biological systems e.g. each has its own impact on growth and production of quality crops. There are several techniques of measuring humidity and ... -
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 ... -
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 ...