21 research outputs found
LSE Research: tracking the medication habits of HIV/AIDS-infected people among Kenya’s urban poor
Full text linkEliud Wekesa belongs to LSE’s Department of Social Policy and his research focuses on the sexual and reproductive health of people living with HIV/AIDS. He and co-author, Chimaraoke O. Izugbara recently released a paper looking at the beliefs and practices about antiretroviral medication among poor urban Kenyans living with HIV/AIDS
Exploring learners\u27 views about their preferred learning environment: a study of students in a secondary school in Kenya
No full textThe context in which teaching, and learning take place is a major influencing factors of student’s learning. Consequently, such contexts need to be organized and maintained in such a way optimum student’s learning outcomes are realized and sustained. This study, conducted in one rural coeducational secondary school in Kenya, utilized student voice to explore their preferred classroom learning environment. The purpose of the study was to investigate student’s views about their preferred classroom learning environment. The study was therefore exploratory. Qualitative techniques (interviews and observations) were used to gain a more in-depth understanding of students’ views about the classroom environment of their preference. The findings of the study showed that students favored a classroom learning environment that is characterized by positive relationships between them and their teachers and among themselves. These relationships are cultivated during the interactions that occur in the learning environment. Classroom learning environments that support learner autonomy, physical comfort, orderliness, and were there are clearly stipulated expectations, physical comfort and learners prefer. Additionally, students showed their consciousness and keenness on how their teachers’ make use of instructional time in the learning environment. Importantly, students indicated a preference for a classroom environment where teachers utilize lesson time for students’ benefit. Students showed the need for teachers to exercise fairness and equity in the classroom as well as making the learning environment interesting by including humor in the classroom. Importantly, this study captured students’ voices about the phenomenon of classroom learning environment and is testimony to the fact that students can also yield valuable information for use in determining important decisions in education. The study recommends that relationships among individuals in a learning environment should be enhanced because they are a crucially important influence affecting students’ connection to school, motivation, academic performance, and psychosocial well-being. Furthermore, learners’ thoughts and ideas should be factored in decisions that go into improving the conditions in a classroom learning environment
Geology, geochemistry, and stratigraphy of the Lemudong'o formation, Kenya Rift Valley
No full textThe Lemudong’o Formation is defined here as part of a late Miocene to Late Pleistocene sequence of stratified lavas, air-fall and waterlain tuffs, lacustrine, alluvial, and fluvial sediments, and paleosols, that crop out over an approximately 25*50 km area on the western margin of the southern Kenyan Rift Valley, approximately 100 km west of Nairobi. The study area is deeply incised by three major permanent river systems that expose sediments of three late Neogene lake basins. The Lemudong’o Formation comprises deposits of the second paleolake basin, which formed during the late Miocene. Stratigraphic sections in several localities are described and correlated in this report, the Lemudong’o Formation is defined, and a basin sedimentary history and environmental reconstruction is proposed. The Lemudong’o Formation has three main phases of sedimentation with a total thickness of 135 m. Phase 1 is represented by predominantly lacustrine and lake-margin siltstones, mudstones,and sandstones. Phase 2 comprises paleosols in the basin center, and fluvial and alluvial sediments on the eastern basin margin. Phase 3 comprises mainly waterlain tuffs and silts, capped by a welded tuff. Phase 2 may reflect a more arid climate, or a lower basin-overflow elevation. Four tuffs in upper phase-1 mudstones in Lemudong’o Gorge are dated to 6.12 – 6.08 Ma. The main fossil-bearing horizons at Lemudong’o Gorge Locality 1 lie between, and immediately above, the dated tuffs. Fossils are associated with beach and/or deltaic sands and fine gravels, and silty and sandy claystones representative of an intermittently flooded lake margin.Stanley H. Ambrose, Christopher M. Nyamai, Eliud M. Mathu and Martin A. J. William
The Seismicity of the Nyanza Rift: Implication for its Propagation from the Main Central Kenya Rift Valley
Full text linkA new seismicity map of the Nyanza Rift is presented, using a compiled and unified earthquake catalog of 290 earthquakes spanning 107 years from 1913 to June 2020 and magnitude ML≤5.2. A magnitude of completeness Mc 4.0 and a b-value of 0.74 confirm that the Nyanza Rift Valley is an active extensional rift. The seismicity patterns confirm that the Nyanza Rift propagates in a WSW direction off the main Central Kenya Rift. The Nyanza Rift lacks, to a large extent, bounding structural controls eastwards of Lake Victoria, implying that Lake Victoria sits in half-graben, except at the Winam Gulf, where the active Kisumu faults, Nyando faults, and Kendu faults bound imply a graben. The seismicity predominantly diffuses and straddles the entire length of the Nyanza Rift, about 250 km, with a breadth of 50 km. Six active faults are identified: The Nandi fault, Kisumu fault, Nyando fault, Kendu fault, Lambwe-Samanga fault, and the Siria-Vitumbara fault. Earthquake depths increase southwestwards, where lower crustal earthquakes 30-38 km confirm crustal thickness increases within the Tanzanian Craton and underneath Lake Victoria. Four seismogenic source zones are delineated as the Tinderet-Timboroa Zone (Zone-1), the Winam Gulf and Homabay-Rangwe Zone (Zone-2), the Southeast Lake Victoria Zone (Zone-3), the Siria-Vitumbara Fault Zone (Zone-4). Within seismogenic source zones, Zone-1 to Zone-3 a north-northeast seismicity trend is observed, implying possible re-activation of buried faults. Keywords: Seismicity, Seismicity patterns, Seismogenic source zones, West-southwest propagation of the Nyanza Rift Valley DOI: 10.7176/JEES/14-6-05 Publication date: December 30th 202
Participatory methodologies: double-edged swords
No full textThe author puts forward the personal view that participatory methodologies (such as Participatory Rural Appraisal (PRA) and Rapid Rural Appraisal (RRA)) are often used by NGOs in such a way that they create a negative impact on the community they were intended to empower. Arguing that these methodologies incite the poor to feel the need to seem poor - a potentially disastrous starting point for any collaborative community/NGO initiative - the author advocates an approach by which communities identify their resources, and their capacity to improve their quality of life. An earlier version of this article was presented by the author at a PAMFORK Participatory Methodologies Workshop held on 24-27 September 1996 at Resurrection Gardens, Karen-Nairobi, and was published in Baobab, Issue 22 (1997).This article is hosted by our co-publisher Taylor & Francis.</p
Embryonic chick brain fluid hyaluronidase: its characterization, changes in moiety and regulation during chick brain morphogenesis, 1980
Full text linkHyaluronidase and hyaluronic acid have been shown to play an important role in regulating embryogenesis in several animals. Experimental evidence indicates that hyaluronic acid regulates embryonic morphogenesis by preventing untimely cellular interactions and, hence, permits the appropriate accumulation of cells. It is degraded by hyaluronidase at an appropriate time during embryogenesis to allow cellular interaction leading to coordinate differentiation.Currently research is directed towards understanding the mechanism of action of hyaluronidase on hyaluronic acid and the structure and moiety relationship of these two important compounds. These studies have included charac terization of hyaluronidase from different sources, and have resulted in the discovery of several forms of hyaluronidase. In the chick, two forms of this enzyme are present: cellular and secretory, with different kinetic properties. These differences are thought to be attributable to structural modifications. It is not known whether these modifications are co- or post-transitional. In the work reported here, hyaluronidase has been isolated from chick brain fluid and its characteristics studied in relation to chick brain morphogenesis. It is apparently a secretory form with pH optimum at 3.5 to 4.5, but also has activity at neutral pH. Its activity is modulated by cations. Evidence is also presented which suggests a strong association, possibly a complex, between chick brain fluid hyaluronic acid and hyaluronidase activitycontaining protein(s). This association seems to have a regulatory role on interactions between hyaluronic acid and hyaluronidase during brain morphogenesis. The molecular weight of the chick brain fluid hyaluroni dase was estimated by SDS pollyacrylamide gel electrophoresis at approximately 70,000 daltons
Dos penínsulas, dos pueblos. 34 Tercera época (2005) febrero-mayo. Gaceta de Museos
No full text- Planteamientos alternativas, labores conjuntas - Dos penínsulas, dos pueblos, por Blanca González - ¿Qué hay detrás de las máscaras?, por Rosa Katia Teodocio y Alejandro Cortés - Guadalupana del Virreinato, por Mónica Martí - La pedagogía y el museo, por María del Carmen Saldaña - El Museo de la Universidad de Costa Rica, por Félix A. Barboza - Conservación y museos, por María Eugenia Marín Benito y Dora Méndez - Limpieza de fotografías impresas en papel, por Juan Carlos Valdez - Mantenimiento y conservación de extintores, por Eliud Noé García Castillo y Manuel Salazar Torres - La vitrina del mes: Exhibición del colecciones de origen orgánico - La cédula del mes: Exposición Dos penínsulas, dos pueblos - El material educativo del mes: Libros desmontables - Noticias y reseñas
INFLUENCE OF RETRENCHMENT STRATEGY ON PERFORMANCE OF SAMEER AFRICA IN NAIROBI CITY COUNTY, KENYA
No full text<p><strong>Abstract:</strong> The entry of new competition from imported tires and independent suppliers has had a significant impact on operating costs in Sameer Africa. This impact has manifested itself in the form of lower sales volumes leading to lower profits. This study examined the influence of retrenchment strategy on performance of Sameer Africa in Nairobi City County, Kenya. The study applied a descriptive research design. The unit of analysis was Samer Africa in Nairobi City County, Kenya, and the unit of observation was 630 employees drawn from the following departments; Sales and Marketing, Operations, Human Resources, Information and Technology, Imports and Clearing, Audit and Risk Management. Proportional stratified sampling was used in the study to select samples from various subsets of the target population in order to ensure adequate representation of all cases. Simple random sample selection was used to select the sample size of 245 respondents. With the help of a semi-structured questionnaire, primary data was gathered. The questionnaire was piloted on 25 respondents from the same organization who weren't part of the main study in order to test its validity and reliability. The means and standard deviations of descriptive statistics were used to analyze quantitative data. The data were presented using tables and graphics. Correlation analysis and multiple analysis were used in inferential statistics to ascertain the relationship between the independent and dependent variables. The study discovered that the performance of Sameer Africa in Nairobi City County, Kenya, is positively and significantly impacted by reemployment strategy. The study concluded that retrenchment is a cost-management strategy that removes goods and services from the market and lessens competition. The study recommended that the management of the company can for divestment strategy is the case of severity of competition and the inability of the organization to cope with it.</p>
<p><strong>Keywords:</strong> Retrenchment Strategy, Organizational Performance.</p>
<p><strong>Title:</strong> INFLUENCE OF RETRENCHMENT STRATEGY ON PERFORMANCE OF SAMEER AFRICA IN NAIROBI CITY COUNTY, KENYA</p>
<p><strong>Author:</strong> Doris Mueni Mengo, Dr Eliud Obere</p>
<p><strong>International Journal of Management and Commerce Innovations </strong></p>
<p><strong>ISSN 2348-7585 (Online)</strong></p>
<p><strong>Vol. 11, Issue 2, October 2023 - March 2024</strong></p>
<p><strong>Page No: 8-13</strong></p>
<p><strong>Research Publish Journals</strong></p>
<p><strong>Website: www.researchpublish.com</strong></p>
<p><strong>Published Date: 04-October-2023</strong></p>
<p><strong>DOI: <a href="https://doi.org/10.5281/zenodo.8406732">https://doi.org/10.5281/zenodo.8406732</a></strong></p>
<p><strong>Paper Download Link (Source)</strong></p>
<p><strong><a href="https://www.researchpublish.com/papers/influence-of-retrenchment-strategy-on-performance-of-sameer-africa-in-nairobi-city-county-kenya">https://www.researchpublish.com/papers/influence-of-retrenchment-strategy-on-performance-of-sameer-africa-in-nairobi-city-county-kenya</a></strong></p>International Journal of Management and Commerce Innovations, ISSN 2348-7585 (Online), Research Publish Journals, Website: www.researchpublish.co
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En el Vórtice cel Huracán. Reescrituras Oblicuas del Caribe Hispano en los Discursos Literarios de Virgilio Piñera y Aída Cartagena Portalatín
No full textAn oblique reading of the European canon constitutes the discursive center for present day Caribbean literature. In doing this, authors question Eurocentric representational codes of Caribbean identity while they create their own discourses in "a certain way", that is, from a certain perspective and by means of hybrid appropriation and synchretization of the very models that feed their imagination. As this analysis purports to show, writers Virgilio Piñera (Cuba) and Aída Cartagena Portalatín (Dominican Republic), by their rereading of the canon, establish in their works hybrid dialogs between the European There and the Caribbean Here. In that line, among the canonical cultural signifiers that the authors adopt, they privilege the appropriation of Greek myths. Piñera does this in his theater piece Electra Garrigó, and Cartagena in her novel Escalera para Electra. In Piñera's work, the main devices utilized are humor, irony, and parody of the text by Euripides, obtained by the used of "choteo", a particular brand of Cuban parodic humor in the manner of Bakhtin's carnavalization. This technique is employed along with the use of heteroglossia, which is utilized by Cartagena as well in her novel. In her work, the Dominican author constructs a parallel and intertextual reading of the same play by the Greek dramatist from the positionality of a female subject. Although with different strategies and in different literary genres, Piñera and Cartagena structure their literary discourses with themes that reflect their cultural identities from the synchretism of difference and from the perspective of a Caribbean subject. This dissertation confirms the efficacy of the discursive strategies they utilize on taking the female subject and the family as the axis of their contesting, unofficial readings of the history and cultural identity of the Caribbean
