Now showing items 241-260 of 4120

    • Glass photonics meets photovoltaics: general principles and a case study 

      Otieno, Francis; Airo, Mildred; Quandt, Alex; Wamwangi, Daniel; Erasmus, M. Rudolph (Springer Berlin Heidelberg, 2023-11-01)
      In this study, we present a promising combination of glass photonics and photovoltaics to develop more efficient types of solar cells. Following up on earlier suggestions, we demonstrate that fundamental losses due to the ...
    • Carcass Characteristic of Indigenous Chicken Fed on Diets Containing German Cockroach (Blattela germanica) Meal in Kenya 

      Ngaira, V.M; Wayua, F.O; Mosi, R.O; Wambui, C.C; Alaru, P.A.O; Ochieng, V.O; Ilatsia, E.D (African Journal of Education, Science and Technology, 2023-09-11)
      Edible insects are available for use in insect-based-feed, however there is limited information on carcass characteristics and sensory tests of chicken fed on German cockroaches (Blattela germanica). This study assessed ...
    • Enhancing students’ biology learning by using augmented reality as a learning supplement 

      Weng, Cathy; Otanga, Sarah; Christianto, Samuel Michael; Ju-Chun Chu, Regina (SAGE Publications, 2020-07)
      The purpose of this study was to investigate the effects of augmented reality (AR) technology on students’ learning outcomes (measured according to Bloom’s cognitive levels) and attitude toward biology. The print book was ...
    • Effects of tangrams on learning engagement and achievement: Case of preschool learners 

      Weng, Cathy; Otanga, Sarah; Weng, Apollo; Tran, Khanh Nguyen. Phuong (Journal of Computer Assisted Learning ,wiley., 2020-08)
      The purpose of this research was to compare the effectiveness of physical and virtual tangrams on preschool children's learning engagement and achievement. Children listened to an e‐storybook narration and solved puzzles ...
    • Framework for Technology-Enriched Active Class Learning of Physics in Secondary Schools in Kenya 

      Abenga, Elizabeth Sarange. Bosire; Okono, Elijah Owuor; Awuor, Mzee; Otanga, Sarah (IGI Global, 2021)
      Active learning transforms the learning process and activities from tutor focused to learner-cantered and is driven by the learner's learning ability. In other words, active learning provides an opportunity for self-directed ...
    • Towards a Competency Based Curriculum: A Pedagogic Perspective 

      Owino, Richard Ongowo (Journal of Technology & Socio-Economic Development, 2022)
      Education remains the powerful tool to engender competencies in the learners to make them adaptable to the context of work, personal and professional development. The competencies are significant for achieving sustainable ...
    • Ubuntu, Peacebuilding, and Development in Africa: Reflections on the Promises and Challenges of a Popular Concept 

      Chitando, Ezra; Kilonzo, M.Susan (Springer International Publishing, 2023-10-18)
      Faced with the constant criticism that “nothing good can come out of Africa,” many African scholars and peace activists, as well those from other parts of the world, have identified Ubuntu and presented it as one of Africa’s ...
    • Campylobacter in Africa – A specific viewpoint 

      Ellis Kobina Paintsil, Wycliffe O Masanta, Annika Dreyer, Leonid Ushanov, Stella I Smith, Hagen Frickmann, Andreas E Zautner (Akadémiai Kiadó, 2023-12-21)
      Campylobacter infections and campylobacteriosis-associated post-infectious sequelae are a significant global health burden that needs to be addressed from a specific African perspective. We conducted a comprehensive ...
    • Teacher Education Reforms in Kenya: The Past, the Present, and Mapping the Future 

      Oyoo, Samuel Ouma; Olel, Maureen Atieno; Kang'ahi, Maurine; Indoshi, Francis Chisikwa (Emerald Publishing Limited, 2023-08-10)
      Teacher education in Kenya was formally started in mid-nineteenth century by European Christian missionaries. The urge to establish teacher education programs at the time was to address the shortage of teachers due to the ...
    • Total quality management approach as a measure of quality in TVET colleges in Kenya 

      Njiri, Samwel Ojwang; Asesa, Edna; Olel, Maureen (2024-01-31)
      The Kenyan government has significantly increased funding for Technical and Vocational Education and Training (TVET) from KSh15.7 billion in 2018/19 to KSh26.9 billion in 2019/20. The number of TVET institutions, ...
    • Causes and Consequences of Post-Election Violence in Kenya 

      Ochieng, Charles. P. Otieno (2023-10-05)
      The election of leaders by the people is the aim of democratic procedures. An electoral system is intended to ensure that the outcomes reflect the preferences of the majority of voters, providing elected officials’ ...
    • Association between Human Resource Factors and Utilization of IQCare System for Clinical Decision Support in HIV Care Clinics in Nakuru County, Kenya 

      Komen, Christopher Cherutich; Onyango, Patrick; Anyona, Samuel Bonuke; Kirui, Benard (EA Journals, 2023-09-25)
      Electronic medical records (EMR) are computerized medical information systems that are used to collect, store, and display patient information. EMR systems can strengthen pathways of care and close gaps in patient tracking, ...
    • Perceived acceptability of self-administered topical therapy for cervical precancer treatment among women undergoing cervical cancer screening in Kenya 

      Mungo, Chemtai; Ellis, Grace; Rop, Mercy; Zou, Yating; Omoto, Jackton; Rahangdale, Lisa (Cold Spring Harbor Laboratory Press, 2024-03-05)
      Innovative strategies are urgently needed to meet the World Health Organizations 2030 target of treating 90% of women with precancerous cervical lesions, especially in countries most affected by cervical cancer. We assessed ...
    • Comparative Efficacy of Levofloxacin Versus Amoxycillin/Clavulanic Acid Combined with Azithromycin in Treatment of Community-Acquired Pneumonia 

      Musungu, Vincent; Onguru, Daniel; Onyango, Patrick (European institute of knowledge and innovation, 2024-03-06)
      Community-acquired pneumonia (CAP) is an important cause of mortality and morbidity worldwide. Early initiation of antibiotics is highly recommended. In most CAP cases, multiple drug options are increasingly becoming ...
    • A genomic appraisal of invasive Salmonella Typhimurium and associated antibiotic resistance in sub-Saharan Africa 

      Sandra Van Puyvelde, Tessa De Block, Sushmita Sridhar, Matt Bawn, Robert A Kingsley, Brecht Ingelbeen, Mathew A Beale, Barbara Barbé, Hyon Jin Jeon, Lisette Mbuyi-Kalonji, Marie-France Phoba, Dadi Falay, Delphine Martiny, Olivier Vandenberg, Dissou Affolabi, Jean Pierre Rutanga, Pieter-Jan Ceyssens, Wesley Mattheus, Wim L Cuypers, Marianne AB Van Der Sande, Se Eun Park, Simon Kariuki, Kephas Otieno, John PA Lusingu, Joyce R Mbwana, Samuel Adjei, Anima Sarfo, Seth O Agyei, Kwaku P Asante, Walter Otieno, Lucas Otieno, Marc C Tahita, Palpouguini Lompo, Irving F Hoffman, Tisungane Mvalo, Chisomo Msefula, Fatimah Hassan-Hanga, Stephen Obaro, Grant Mackenzie, Stijn Deborggraeve, Nicholas Feasey, Florian Marks, Calman A MacLennan, Nicholas R Thomson, Jan Jacobs, Gordon Dougan, Samuel Kariuki, Octavie Lunguya (Nature Publishing Group UK, 2023-10-23)
      Invasive non-typhoidal Salmonella (iNTS) disease manifesting as bloodstream infection with high mortality is responsible for a huge public health burden in sub-Saharan Africa. Salmonella enterica serovar Typhimurium (S. ...
    • Time to full enteral feeds in hospitalised preterm and very low birth weight infants in Nigeria and Kenya 

      Zainab O Imam, Helen M Nabwera, Olukemi O Tongo, Pauline EA Andang’o, Isa Abdulkadir, Chinyere V Ezeaka, Beatrice N Ezenwa, Iretiola B Fajolu, Martha K Mwangome, Dominic D Umoru, Abimbola E Akindolire, Walter Otieno, Macrine Olwala, Grace M Nalwa, Alison W Talbert, Ismaela Abubakar, Nicholas D Embleton, Stephen J Allen, Neonatal Nutrition Network (NeoNuNet) (Public Library of Science, 2024-03-08)
      Preterm (born < 37 weeks’ gestation) and very low birthweight (VLBW; <1.5kg) infants are at the greatest risk of morbidity and mortality within the first 28 days of life. Establishing full enteral feeds is a vital aspect ...
    • Utilization of Black Soldier Fly (Hermetia illucens) Larvae as a Potential Substitute for Fish Meal in the Production of Nile Tilapia (Oreochromis niloticus L.) 

      Jonathan Munguti, Francis Wekesa, Isaac Osuga, Mercy Kariuki, Rodrigue Yossa, Daniel Mungai, Domitila Kyule, Jacob Abwao, Mary Opiyo, Kevin Obiero, Nicholas Outa, Erick Ogello, Jacob Iteba, James G Kirimi, Anne Maundu10, David Liti11, Chrysantus M Tanga (Canadian Center of Science and Education, 2024)
      Utilization of quality aqua-feed relies heavily on fish meal sources of protein because of its nutritional balance. However, due to its limited supply, high cost, and decline of wild fish populations, aquaculture production ...
    • Host specificity controlled by PWL1 and PWL2 effector genes in the finger millet blast pathogen Magnaporthe oryzae in eastern Africa 

      Hosea Isanda Masaki, Santie de Villiers, Peng Qi, K Prado, Davies Kiambi Kaimenyi, Kassahun Tesfaye, Tesfaye Alemu, John Takan, Mathews Dida, Justin Ringo, Wilton Mbinda, Chang Hyun Khang, Katrien M Devos (Mol Plant Microbe Interact., 2023)
      Magnaporthe oryzae, a devastating pathogen of finger millet (Eleusine coracana), secretes effector molecules during infec tion to manipulate host immunity. This study determined the presence of avirulence effector ...
    • Post‐attachment resistance to Striga hermonthica in finger millet (Eleusine coracana) 

      Josephine S Kunguni, Willy Kibet, Chrispus O Oduori, Mathews M Dida, Sylvester Anami, Benjamin Kilian, Josiah M Mutuku, Steve Runo, Damaris A Odeny (John Wiley & Sons, Ltd., 2023-11-21)
      Finger millet is a highly nutritious and climate-resilient cereal crop. Despite its importance, finger millet productivity in East Africa trails other cereals due to several biotic and abiotic factors, including the parasitic ...
    • Molecular Breeding for Iron Toxicity Tolerance in Rice ( Oryza sativa L.) 

      Onyango, A .Dorothy; Dida, M. Mathew; Drame, N.Khady; Nyongesa, O.Benson; Sanni, A. Kayode (John Wiley & Sons, Ltd., 2023-11-03)
      Rice consumption is on an upward trajectory worldwide based on changes in eating habits, population growth, and ease of cooking and yet rice production is not keeping up. There are many constraints including abiotic stresses ...