» INTRODUCTION Background of study. Heavy metals pose serious health challenges especially among occupationally exposed workers. Work has it’s positive health promoting effects, as the financial benefits provides the worker with the basic necessities of life. There is however a reciprocal a…Continue Reading »
» CHAPTER ONE INTRODUCTION 1.1 GENERAL INTRODUCTION Zinc oxide is an organic compound with formula ZnO it is a white powder that is insoluble in water. It is widely used as an additive into numerous materials and product including plastics, ceramic, glass, cement, rubber (e.g. car tire),…Continue Reading »
» ABSTRACTCrateva adansonii is a medicinal herb commonly used in parts of Africa because of the side effects of Non Steroidal Anti inflammatory Drugs (NSAID), like heart diseases and kidney failure. Inflammation is a major public heart issue in the world but treatment is becoming complex because of…Continue Reading »
» ABSTRACTInflammation is a complex biological response of vascular tissue to harmful stimuli such as pathogen, damage cells or irritants. The urgency generated by in increased rate of stroke, atheroselerosis attributed to prolong use of cyclooxygenase 1 and 2 inhibitors have acceralated anti infla…Continue Reading »
» ABSTRACTElemental analysis is the qualitative detection and quantitative determination of chemical elements(atoms,ions)in a sample(Fritz Pregl 1923). To detect anixelement, one should fix an appearance of an analytical signal. The formation of precipitate or characteristic crystals, colour change…Continue Reading »
» ABTRACTThis study evaluates the cardio protactive effect of N hexane extract of Desmodium Velutinum stem on albino wister rat. Rats used in this study were grouped into four and each group was fed differentely. Rats in group one, three, and four wre fed with the aid of a syringe without needle wi…Continue Reading »
» ABSTRACTThis research project studied on the kinetics of hydrolysis of cellulose to glucose. The steps employed to achieve this project involved extraction of cellulose from sawdust and subsequently, hydrolysis of starch to simple sugar. This was followed by glucose analysis. Different experiment…Continue Reading »
» ABSTRACTStudies were conducted to determine the phytochemicasl present in moringa olrifera and Azadrichta indica leaves. Leaves for this work were washed, room dried ground to powder. The ground leave for both sample were soaked in four different solvent; Ethanol, n Hexane, Ethyl acetate and wate…Continue Reading »
» CHAPTER ONEINTRODUCTION1.1 ORIGIN AND NATURE OF ACTIVATED CARBONCarbon is the fifteenth most abundant element in the earth’s crust and the fourth most abundant element in the universe by mass after hydrogen, helium and oxygen. Scientists, industries, and consumers use different forms of carbon …Continue Reading »
» CHAPTER ONEINTRODUCTION1.1 BackgroundPerfume is a fragrant liquid made from an extract that has been distilled in alcohol and water.Since the beginning of recorded history, humans have attempted to mask or enhance their own odor by using perfume, which emulates nature’s pleasant smells. Many na…Continue Reading »
» CHAPTER ONE1. 1 INTRODUCTIONThe word perfume derives from the latin ―per fumum‖ meaning through smoke, is fragrant liquid that is sprayed or rubbed on the skin or clothes to give a pleasant smell. Extraction of perfume from various plants resources is of ancient origin. Infact the natives fro…Continue Reading »
» ABSTRACTThis study was carried out to generate a design data, design and fabricate a maize corn on cob tray dryer used by maize farmers. Ripped maize corns with husks were bought from the market and preserved to retained its moisture content, dehusked and thereafter, dried to a given percentage m…Continue Reading »
» ABSTRACTThis study is a comparative analysis of the use of coal, fuel oil and natural gas for cement production noting their physical and chemical properties, cost and availability, impact on the environment and human health. Out of the seven cement manufacturing industries in Nigeria, three indu…Continue Reading »
» ABSTRACTThe research project studies the analysis of pear and its oil. The mesocarp from edible African pear “DacryodesEdulis” were evaluated for their oil yield. The pulp from this pear were oven dried at 100oC 105oC to a moisture content level of 29%.The mesocarp was subjected to proximate …Continue Reading »