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Utilization of e-Government to improve bus transportation services – The case of Abuja
Chilaka Chijioke Reginald 한국EA학회 2019 한국EA학회 학술발표논문집 Vol.2019 No.10
The bus information system as a component of intelligent transport system has gained a lot of popularity in the modern world. Its application in the developed countries is an eye opener to the benefits it can inculcate in the lives of bus commuters in the developing countries where the use of buses are the major means of transportation. The bus information system will aid in reducing long waiting time, long queue of passengers’ at various bus stops, stampeding due to rush, loss of valuable items as a result of struggling for buses, lateness to work and loss of man hours. We propose a system which could track the current position of buses and the estimated arrival and departure time and inform the passengers via electronic display boards at the different bus stations or through an App installed in the smart phone. It has a GPS system that tracks the position of a particular bus and the data is transmitted by a GSM modem to the bus terminus. The receiver part of the system which is installed at the bus terminus processes the received data and calculates the arrival time and delay time of a particular bus. The proposed system which is derived from the Seoul experience is customized to meet the needs of Abuja environment. The paper will provide practical information to transport planners in developing countries who are struggling with similar challenges as Abuja.
Thermal Dissociation and Conformational Lock of Superoxide Dismutase
Hong, J.,Moosavi-Movahedi, A.A.,Ghourchian, H.,Amani, M.,Amanlou, M.,Chilaka, F.C. Korean Society for Biochemistry and Molecular Biol 2005 Journal of biochemistry and molecular biology Vol.38 No.5
The kinetics of thermal dissociation of superoxide dismutase (SOD) was studied in 0.05 M Tris-HCl buffer at pH 7.4 containing $10^{-4}\;M$ EDTA. The number of conformational locks and contact areas and amino acid residues of dimers of SOD were obtained by kinetic analysis and biochemical calculation. The cleavage bonds between dimers of SOD during thermal dissociation and type of interactions between specific amino acid residues were also simulated. Two identical contact areas between two subunits were identified. Cleavage of these contact areas resulted in dissociation of the subunits, with destruction of the active centers, and thus, lost of activity. It is suggested that the contact areas interact with active centers by conformational changes involving secondary structural elements.