ABSTRACT Cocoa beans are the main ingredient for making chocolate and in Ghana, it is a major contributor to the economy as it generates an annual foreign exchange of about US $2 billion. The ability to produce high quality cocoa beans free from moulds and mycotoxin contamination has therefore become critical due to the impact mycotoxins have on health of consumers and global trade. This study investigated changes in fungal growth, mycotoxin concentrations, physico-chemical properties and coc...
Vitamin C and Coronavirus: Not a Vaccine; Just a Humble Cure Commentary by William F. Simmons and Robert G. Smith, PhD During the pneumonia epidemic in North Carolina in the 1940's, after American soldiers returned from the war in Europe, a small-town physician used an anti-infective protocol of intravenous vitamin C to cure 42 cases of viral pneumonia. [1] During the same period, the physician used a similar treatment to cure 60 cases of viral poliomyelitis. All patients were clinically well...
ABSTRACT Daily rainfall data from Ghana Meteorological Agency (GMet) rain gauge network was analysed to identify extreme rainfall events in Ghana. The data was first processed in order to remove all errors in the observational time series prior to analysis. The data was then analysed by excluding all rainfall events, which fell below a pre-determined threshold in order to identify extreme rainfall event days and non-extreme event days. Inter-annual variability and trends of annual precipitati...
ABSTRACT In the Sekondi-Takoradi metropolis, the crime rate has been on the ascendency, and the rate of ascendency of crime has increased since the discovery of oil in commercial quantities. One issue that has been absent from the Police Service in the metropolis and which has contributed to this rise is the lack of use of technology by the Police in fighting crime in the Sekondi-Takoradi Metropolis. The research therefore employs various technological techniques to investigate the problem. A...
ABSTRACT Sea erosion, attributed to sea level rise and human activity, has become a threatening phenomenon confronting many coastal settlements worldwide.It has caused destruction to many coastal resources. Measures employed to mitigate sea erosion have been to build defence walls, groynes and revetment. However, these structures only dissipate the wave energy and cause further erosion on the coastline. The eastern shoreline of Ghana is the most vulnerable as a result of the increase in fetch...
ABSTRACT In this thesis, hot carrier relaxation dynamics in semiconductor quantum dots and quantum well structures have been investigated as the basis for improving on the efficiency of conventional solar cells to values between 40% and 60% beyond the Shockley and Queisser detailed balance limit of 30% hitherto. Two schemes have been employed to obtain the shift in efficiency: The first is multiple exciton generation which occurs in semiconductor quantum dots. The output current as a function...
ABSTRACT T-cell diversity has a great influence on the ability of the immune system to recognise and fight the wide variety of potential pathogens in our environment. The current state of art approach to profiling T-cell diversity involves high-throughput sequencing and analysis of T-cell receptors (TCR). Although this approach produces huge amounts of data, the data has noise which might obscure the underlying biological picture. To correct these errors, two computational methods have been d...
ABSTRACT The level of water pollution by heavy metals ' (Cu, Xn, Co, Ni, As, Mn, Cd, Cr. !)hi in twelve selected water Dams in Osun state were determined in order to know their distribution and possible source into the dams. Their bottom sediment and water were colIected for analysis. The result in sediment showed that .the concentration of Manganese is high in all the dams with values ranging from 21,27-775.39mgkg and it spreads across all the locations. Cobalt was detected only at one. lo...
ABSTRACT Six species of known toxigenic and zoopathogenic fungi were isolated from Nigerian poultry feeds. These include Aspergillus flavus Link: Fr. (IMI 280819), A. fumiga tus Fres. (1M1 280822), ~ niger v. Tieghem (IM1 280823), A. oryzae (Ahlburg) Cohn (IM1 280831), Rhizopus arrhizus Fischer (1M1 280827) and Rhizomucor pusillus Lindt Schipper (1MI 280824). Growth-temperature range for the. fungi was between 15° and 45°C. Aspergillus fu~igatus and Rhizomucor pusillus are t he r mot o Le ...
ABSTRACT Significant variations in vector biology within and between countries have been reported in malaria epidemiological studies1. It is now generally agreed that a clear understanding of the detailed epidemiology of the disease is a pre-requisite to effective malaria control in the African sub-region2. Anopheles gambiae complex (Diptera: Culicidae) is one of the most efficient vectors of Plasmodium falciparum in the African sub-region; it is a complex of sibling taxa3. Two of these sibli...
Abstract: Radiation emissions from the University of Ibadan National Institute of Radiation Protection and Research (NIRPR), physico-chemical properties measurement and insect’s fauna collection around the surrounding of the Institute were conducted for a period of six months (November, 2011-April, 2012). Radiation survey meter model (RDS-30) type was used to take readings along the immediate surroundings of the NIRPR surroundings. Soil samples were collected at five points in the study si...
ABSTRACT 188 patients referred for speech therapy at U.C.H. Ibadan were analysed for types of speech pathology. Having ascertained the Eer, Nose and Throat' conditions of the patients and with no significant medical indications, patients were promptly refered for Speech/Language assessment and therapy. The incidence of Speech/Language , impairment was found to be.higher in children (0-10 years) while delayed speech was found to be more prevalent. The import of public education on torms., caus...
ABSTRACT Maize, Zea mays is extensively cultivated in Nigeria with estimated total grain yield of 1.37 million tonnes per year. The maize by-product which includes the cob is readily available. This project was designed to convert maize cob to value-added products in broiler feed through microbial degradation using batch fermentation. One hundred and fifty kilogrammes of maize cob samples were collected from four dump sites in a farmers’ market in Oyo town. Bacteria and fungi were isolate...
ABSTRACT Effect of ultraviolet radiation on survival, infectivity and maturation of Schistosoma mansoni cercariae. International Journalfor Parasitology 20: 893-897. 5. mansoni cercariae exposed to ultraviolet radiation for 1,3, 5,10 and 20 s as well as non-irradiated cercariae remained actively motile 30 min post-irradiation. Thereafter the activity decreased with increasing dose level of radiation and age of cercariae. There was no significant difference between the rates of attachment of...
ABSTRACT Untreated industrial effluents discharged into land and surface water are of great environmental concern. Previous studies on physicochemical characteristics of effluents and sediments from discharged points of various industrial sectors in Lagos metropolis are inadequate in scope, duration, chemical treatment options and estimated pollutant discharge load which are of importance in waste water management. This study was designed to investigate the physicochemical characteristics of...