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Search Results: 1 - 10 of 83 matches for " Ibiyemi Olufisayo Daramola "
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Regulation of glucose and protein syntheses by Micrococcus luteus during the fermentation of a Nigerian rice, Oryza sativa variety “Igbimo”  [PDF]
Bolatito Esther Boboye, Ibiyemi Olufisayo Daramola
Advances in Bioscience and Biotechnology (ABB) , 2011, DOI: 10.4236/abb.2011.24035
Abstract: Micrococcus luteus synthesises glucose and protein during the fermentation of a Nigerian rice. To regulate the formation of these substances, mutation was carried out with an alkylating agent: ethylmethyl sulphonate (EMS). Screening the mutants generated for the levels of the traits expressed, four major groups were obtained. These are poor, moderate, good and super producers of either glucose or protein. They produced the properties at 0 - 1.00, 1.01 to 1.99 (moderate) and 2.0 to 2.99 (good) and 3.0 and above (super) mg.mL–1 of each substance. The classes were made up of 37, 40, 20 and 3 mutants for glucose production and 13, 35, 40 and 12 mutants for protein synthesis. The wild strain bacterium made 0.86 mg.mL–1 glucose and 1.2 mg.mL–1 protein describing the M. luteus as poor glucose maker and moderate protein producer. It was also noticed that the mutation caused some variants (25%) to form more glucose than protein; the remaining 75% of the population are made up of two sets viz: mutants having better ability to synthesise protein at higher concentrations than glucose and those that formed about the same amounts of the substances. It thus follows that the glucose and protein productions in M. luteus are genetically based and can be regulated by genetic manipulation.
Dr. Daramola Samuel,,Prof. Ibiyemi Samuel
International Journal of Engineering Science and Technology , 2010,
Abstract: Feature extraction stage is the most vital and difficult stage of any off-line signature verification system. The accuracy of the system depends mainly on the effectiveness of the signature features use in the system. Inability to extract robust features from a static image of signature has been contributing to higher verification error-ratesparticularly for skilled forgeries. In this paper, we propose an off-line signature verification system that incorporates a novel feature extraction technique. Three new features are extracted from a static image of signatures using this technique. From the xperimental results, the new features proved to be more robust thanother related features used in the earlier systems. The proposed system has 1% error in rejecting skilled forgeries and 0.5% error in accepting genuine signatures. These results are better in comparison with the results obtained from previous systems.
Dynamic Signature Verification System Using Statistics Analysis
Dr. S.A Daramola,,Prof. T.S Ibiyemi
International Journal on Computer Science and Engineering , 2010,
Abstract: In this paper, a new technique for dynamic signature modeling and classification framework is proposed. Raw dynamic data obtained from a digitizer are analyzed using statistic tools. The variation within the same person signatures is obtained for effective signature training and accurate classification of genuine signature against all kind of forgeries. The proposed system is robust enough to prevent forgery of dynamic signatures. It has False Rejection Rate (FRR) of 0.2% for genuine signatures and False Acceptance Rate (FAR) of 0.25%, 0% and 0% for skilled, simple and random forgeries respectively. These results are better in comparison with the results obtained from previous systems.
Prevalence of Medication Non-Adherence among Psychiatric Patients in a Tertiary Hospital in Nigeria  [PDF]
Chidozie Donald Chukwujekwu, Olufisayo Kola Adesokun
Journal of Biosciences and Medicines (JBM) , 2017, DOI: 10.4236/jbm.2017.54001
Abstract: Background: The consequences of non-adherence to prescribed medications by psychiatric patients for both patients and the health care system are myriad and grave. Aim: The study was designed to ascertain the prevalence of medication non-adherence among psychiatric patients and identify factors that aid this malady. Methods: This prospective, cross-sectional study was carried out within a 4 month period at the out-patient psychiatric clinic of the University of Port Harcourt Teaching Hospital; using the Medication Adherence Rating Scale (MARS) and a self designed questionnaire containing socio-demographic and psychiatric illness variables. Results: A total number of 111 patients who participated in the study were analyzed. The cohort comprises 22 (19.8%) schizophrenics, 38 (34.2%) mood disorder patients, 24 (21.6%) anxiety disorder patients, 10 (9.0%) patients suffering from substance abuse and 17 (15.3%) with other psychiatric diagnoses (somatoform and personality disorders). Most of the patients were male (53; 47.7%), aged between 21 - 30 yrs (44; 39.6%), unemployed (38; 34.2%), as single (58; 52.3%). The prevalence of non-adherence to medications among the cohort studied is 39.6%. There was a significant association between consistency in taking one’s medications and MARS scores but none between socio-demographic variables and MARS score. Conclusion: The rate of medication non adherence among the subjects in this study was 39.6%. The three most important reasons reported for this behaviour include: Feeling that they had recovered from their illness and hence have been cured, belief that their illness was of a spiritual origin and hence would not be amenable to orthodox medicine and the side effects of the medications. Non adherence to medication increases the risk of psychiatric morbidity and mortality and efforts at curbing this trend must be eclectic.
Sokoro Sakara: A Contextual and Gender Analysis of Some Offensive Yoruba Proverbial Songs.
Abayomi Daramola.
Nebula , 2007,
Journal of Applied Technology in Environmental Sanitation , 2012,
Abstract: This paper expounded the relevance of community participation in the achievement of sustainable urban environmental sanitation in Nigeria. Conceptually, it discussed community participation and urban environmental sanitation and expressed the interface between the two. The paper also discussed the evolution of environmental sanitation practices in Nigeria before, during and after the colonial era. It went further to assess the situation of community participation in urban environmental sanitation in Nigeria. Lastly, the conclusion comes that willing participation of community people should be made a priority if Nigerian cities will experience sustainable environmental sanitation.
Psychosocial Aspect of Anterior Tooth Discoloration among Adolescents in Igbo-Ora, Southwestern Nigeria
O Ibiyemi, JO Taiwo
Annals of Ibadan Postgraduate Medicine , 2011,
Abstract: Background: Aesthetic problems in adolescence can have a significant effect on their psychosocial development. Abnormalities in tooth color can lead to such problem especially if it affects anterior teeth. Objective: This study therefore assessed the effects of anterior tooth discoloration on the psychosocial well being of adolescents with a view to providing information that will aid the prevention and treatment of this dental problem. Materials and methods: This study was a cross-sectional study involving 384 adolescents aged between 10 and 20years in Igboora southwestern Nigeria. Twenty-six item semi-structured questionnaire comprising variables on demographics and psychosocial effects were researcher-administered. Oral examination of the labial surfaces of the anterior permanent teeth was carried by two examiners. Frequencies and mean were generated. Chi-square and Fischer’s exact tests were used to test associations between categorical variables at (P<0.05). Results: The mean age of participants was 14.7±2.3 years. Ninety four (24.5%) participants perceived that their anterior teeth were discolored, 65 (69.1%) of these did not like the discoloration. Sixty two (65.9%), 47 (50.0%) and 38 (40.4%) respectively reported that it prevented them from freely answering questions, smiling and interacting. After oral examination, 120 (31.2%) subjects had one form of anterior tooth discoloration. The cause of tooth discoloration in the majority 64 (16.7%) of the participants was due to extrinsic stains from compounds incorporated into plaque and calculus. Age group, sex, class of participants and presence of tetracycline stained teeth were significantly related with reported psychosocial problems (p<0.05). Conclusion: About one third of adolescents had anterior tooth discoloration and the majority reported one form of psychosocial problem.
Extractability of Thevetia peruviana glycosides with alcohol mixture
OO Oluwaniyi, SA Ibiyemi
African Journal of Biotechnology , 2007,
Abstract: The aim of this work was to investigate the most effective extraction conditions for the production of thevetia seed protein concentrate of reduced cardiac glycoside content. Alcoholic extraction of the glycosides was studied as a function of time, solvent to meal ratio and solvent composition. Thevetia seed meal was extracted with 10:1, 15:1 and 20:1 solvent to meal ratios, for 45 min, 24, 48 and 72 h. Varying concentrations - 50 to 100% (v/v) aqueous alcohol - were also used. A concentration of 70 or 80% aqueous alcohol resulted in the lowest glycoside content, while a solvent to meal ratio of 15:1, extracted over a period of 72 h, appears to give the best compromise between glycoside extraction and cost of extraction solvent. All treatments resulted in an increase in the protein content of the samples.
An Assessment of the State of Maintenance of Public Hospital Buildings in Southwest Nigeria
Olumide Adenuga,Abayomi Ibiyemi
Australasian Journal of Construction Economics and Building , 2012,
Abstract: This study examines the state of maintenance of public hospitalbuildings in Southwest Nigeria, and in the process identifi es thesignifi cant difference(s) in the operational state of Federal andState-owned public hospitals within the study area. In achievingthe aim, the study adopts a survey technique with a total of552 questionnaires, comprising 206 sampled maintenancestaff and 346 users of public hospitals. The survey covers 46public hospitals representing 40% of the total number of publichospitals existing in Southwest Nigeria. The 46 public hospitalsconsist of all the 11 Federal-owned hospitals and 35 randomlyselected State-owned. Data collected are analysed using theKendall Coeffi cient of Concordance and Pearson Chisquare. Thefi ndings of the study reveal that the state of maintenance of publichospital buildings is good. While the structure/fabric and physicalconditions are rated highly, the services are poorly rated. Thisstudy, which hypothesises that there is no difference in the stateof maintenance, fi nds statistical difference in the performance ofthe services. It recommends that Federal and State governmentsaddress neglect in the services sector and plan their maintenanceprogrammes more effectively.
Molecular Characterization of Type II Transposable Elements in Cowpea [Vigna unguiculata (L.) Walp]  [PDF]
Olufisayo Kolade, Adebola Raji, Iyiola Fawole, Ivan Ingelbrecht
American Journal of Plant Sciences (AJPS) , 2015, DOI: 10.4236/ajps.2015.65082
Abstract: Previous genetic studies in cowpea [Vigna unguiculata (L.) Walp] have shown that an active bipartite transposable element (TE) is responsible for a range of mutant phenotypes of its leaf, stem and flower. Since type II TEs have not been characterized at the molecular level in cowpea, this study was initiated to survey the presence of type II TEs in the cowpea genome. Type II TEs: Enhancer/Suppressor-mutator (En/Spm) and Miniature Inverted-repeat Transposable Elements (MITEs) were isolated and characterized. The sequence identity between the EnSpm TE clones was 46% at the nucleotide level (NL) and 30% at the amino acid level (AL) while that of MITEs was 71% at NL and 63% at AL. These cowpea En/Spm TEs were 80% homologous with En/Spm elements of other crops at NL and 46% at AL. The MITEs were 96% similar at NL and 18% homologous at AL. DNA gel blot analysis confirmed the presence of the En/Spm TEs in cowpea. RT-PCR (reverse transcriptase polymerase chain reaction) analysis showed that the VuEnSpm-3 and the MITE clone, VuPIF-1 were actively transcribed in wild type and mutant cowpea tissues. Overall, our data show that multiple, divergent lineages of En/Spm and MITEs are present in
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