114 research outputs found
Yoruba Culture and Its Influence on The Development of Modern Popular Music in Nigeria
No full textThis thesis focuses on the contributions of the Yorùbá culture to the development of modern Nigerian popular music. It traces the origin, conception and growth of popular music styles in Nigeria and highlights the underlying Yorùbá cultural cum linguistic influence that nurtured their growth within the urban space of Lagos city. It examines how contemporary Nigerian popular music practitioners appropriate the Yorùbá culture in negotiating their musical and national identities and counteract popular music homogenization through the creation of hybrid musical styles and cultures. The work adopts a multi-dimensional research approach that involves cultural, musicological, historical, anthropological and socio-linguistical tools. Adopting the participant-observer method with Lagos as the primary fieldwork site, additional data were sourced along with interviews of key informants through bibliographic and discographic methods.
The study reveals the importance of Lagos as a major factor that contributed to the development of Nigeria‘s popular music practice as exemplified in genres like jùjú, fújì and afrobeat, and discovers that the Yorùbá language has gradually become the dominant medium through which artists express their musical identity as typified by current mainstream hip hop music. Extending earlier work by scholars such as Barber, Waterman and Euba and recent works in hip hop linguistics by Alim and Omoniyi, the thesis contributes to the growing body of research within popular music through the discipline of ethnomusicology, especially in the emerging area of academic inquiry into indigenous African hip hop culture
Paradox of “Progress”: The Role of Western Education in the Transformation of the Family in Nigeria
No full textViolence in the Family: A Preliminary Investigation and Overview of Wife Battering in Africa
No full textThis paper examines wife battering in Africa although it is a world-wide phenomenon. Due to the hidden nature of the problem accurate statistics on it are hard to come by. In many parts of Africa, wife battering is accepted as a part of the culture. This is reinforced by the sex role socialization of women, which encourages and emphasizes submissiveness. The victims of wife battering don’t always leave the abusive environment because of lack of family and community support. Divorce is not always a viable alternative due to the stigma attached to it. Wife battering must be discouraged through legislation, general education and economic empowerment of women
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Perceptions of the Seriousness of Crime and Attitudes Regarding Criminal Justice Issues: An Analysis of the 1982 American Broadcasting Corporation's News Poll of Public Opinion on Crime
No full textThis study deals with the analysis of public opinion about crime and attitudes regarding criminal justice issues along two major dimensions. The first part concerns how respondents rank crime among a list of nine social problems (unemployment, high interest rates, inflation, crime, the high cost of living, moral decline, taxes, dissatisfaction with the government, and Reagan). The second dimension examines some research questions. These are whether there was any association between the respondents' perception of crime trends and each of the following: demographic background, neighborhood safety, the death penalty, gun ownership, frequency of locking doors, avoidance of teenagers, and the evaluation of police job performance; and also whether there was any association between the respondents' victimization experience and seriousness of crime and police job performance. The data were obtained from the archives of the Inter-University Consortium for Political and Social Research in Michigan
Approximate Fixed Point Results for Rational-type Contraction Mappings
No full textIn the paper [Tijs, S., Torre, A. and Branzei, P.: Approximate fixed point theorems, Libertas Mathematica, 23(2003); 35 39(2003)], the authors studied some fixed point theorems by considering weakening of the conditions in the fixed point theorems of Brouwer, Kakutani and Banach which still guarantee the existence of approximate fixed points. Also, in the paper [Berinde, M.: Approximate fixed point theorems, Studia Univ. BABES-BOLYAL, MATHEMATICA, Volume L1, Number 1; pp: 11 23(2006):], the author gave some qualitative and quantitative approximate fixed point results on metric spaces by introducing two Lemmas, andusing some contactive-type operators used by Tijs etal:. The aim of this paper is to establish qualitative and quantitative approximate fixed point resultsinvolving rational-type contraction mappings in metric spaces (not necessarily complete). Our results are extensions of several others in the literature. Some examples are provided to illustrate our results
Synthesis of hydroxylated fatty amide from underutilized seed oil of Khaya senegalensis: a potential green inhibitor of corrosion in aluminum
No full textAbstract Background Corrosion is a serious problem all over the world. Most currently used approach to control corrosion have short comings which necessitates the search for novel materials that are green, cheap, from renewable source, and eco-friendly that can be used to combat this problem of corrosion control. Method Khaya senegalensis fatty hydroxylamide (KSFA) was synthesized from K. senegalensis seed oil via simple reaction route involving esterification, transesterification, hydroxylation, and amidation reaction. KSFA was characterized using Fourier-transform infrared (FTIR), nuclear magnetic resonance (1HNMR), CHN elemental analyzer, particle size distribution (PSD), X-ray diffractometer, zeta potential, thermogravimetric analysis (TG), thermogravimetric-mass spectrometer (TG-MS), and scanning electron micrograph (SEM) coupled with energy dispersion spectroscopy (EDS). Inhibitory effect of KSFA on corrosion of aluminum (Al) in 0.5 M HCl was studied at different concentrations of KSFA and temperatures using weight loss method. Result Result from gas chromatography (GC) revealed oil of K. senegalensis to predominantly contain C18:1 (68.46%) fatty acid. Hydroxyl and amide functional groups present in KSFA were confirmed by FTIR and 1HNMR. TG analysis revealed loss in mass around 80–190, 200–450, and above 450 °C while TG-MS revealed five different masses with m/z values 16, 17, 18, 28, and 44. Corrosion inhibition capacity of KSFA was by surface adsorption, which is spontaneous, and physisorption and described by Langmuir isotherm. The corrosion inhibition efficiency of KSFA increased with increase in its concentration while its corrosion rate reduced with increase in concentration. Conclusion The inhibition efficiency of 90.43% exhibited by KSFA and the fact that KSFA was synthesized via non-hazardous process from a renewable sourced biomass is an indication that KSFA is a potential green and efficient inhibitor of corrosion in aluminum. KSFA is simple to use as an inhibitor and easy to prepare
Fatty Acid Composition and Lipid Profile of Diospyros mespiliformis, Albizia lebbeck, and Caesalpinia pulcherrima Seed Oils from Nigeria
No full textThe screening of lesser-known underutilized seeds as source of food has been a way of finding solution to food insecurity in developing nations. In this regard, oil as a class of food was extracted from the seeds of Diospyros mespiliformis (4.72±0.2%), Albizia lebbeck (6.40±0.60%), and Caesalpinia pulcherrima (7.2±0.30%). The oils were finally analyzed for their fatty acid composition, lipid classes, fatty acid distribution in the lipid fractions, and molecular speciation of the triacylglycerols, glycolipids, and phospholipids. The fatty acid composition of the oils varied with C18:2 fatty acid being the most dominant in the oils. Neutral lipids were the most abundant lipid class found in the oils while molecular species of the triacylglycerol with equivalent carbon chain number C40 was majorly present in the oils of Diospyros mespiliformis and Caesalpinia pulcherrima. The present study presents lesser-known underutilized seeds as possible sources of food
Synthesis of Epoxy Monoethanolamide from Bauhinia monandra Seed Oil
No full textIn this study, we synthesized epoxidised monoethanolamide (EMA) from Bauhinia monandra seed oil (BMO) via a simple reaction route. In this process, BMO was transesterified to obtain a mixture of methyl esters, which was subjected to a urea adduct complexation reaction. The unsaturated methyl esters (BME) from the urea adduct complexation reaction were then epoxidised using performic acid produced in situ in a one-pot reaction system. The epoxidised methyl esters were converted to EMA by reacting them with monoethanolamine (1:10). The progression of the reaction was monitored using Fourier transform infrared spectroscopy and proton nuclear magnetic resonance spectroscopy, and the fatty acid composition was determined by gas chromatography. The results indicate that the most abundant fatty acid in BMO is C18:1 (25.70% ± 0.20%), with a degree of unsaturation of 49.00% ± 0.50%. After the urea adduct complexation reaction, the degree of unsaturation increased to 95.20% ± 0.10% with C18:2 (75.00% ± 0.10%) becoming the most dominant fatty acid. The oxirane oxygen content was found to be 5.50% ± 0.50%. The results of this study suggest that the urea adduct complexation reaction offers a potential means for increasing the unsaturation of fatty methyl esters. In addition, our findings show that EMA can be produced at low or room temperature
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