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Now showing items 2057-2076 of 5636

    • Enhanced degradation of 14 C-HCB in two tropical clay soils using multiple anaerobic–aerobic cycles 

      Kengara, Fredrick O; Doerfler, Ulrike; Welzl, Gerhard; Ruth, Bernhard; Munch, Jean C; Schroll, Reiner (2013-02-28)
      The aim of the study was to induce and enhance the degradation of hexachlorobenzene (HCB), a highly-chlorinated persistent organic pollutant, in two ecologically different tropical soils: a paddy soil (PS) and a non-paddy ...

    • Enhanced microbial degradation of humin-bound phenanthrene in a two-liquid-phase system 

      Yinping Zhang, Fang Wang, Congying Wang, Qing Hong, Fredrick Orori Kengara, Tao Wang, Yang Song, Xin Jiang (Elsevier, 2011-02-28)
      Humin, the main component of soil organic matter, greatly influences the nonlinear sorption and desorption hysteresis of polycyclic aromatic hydrocarbons (PAHs) in soil. However, little is known about the bioavailability ...

    • An Enhanced Model For Adoption Of Local Softwares: A Case Of Kenya 

      Maurine Awuor Onyango, Kimwele Michael (CARI Journals, 2017)
      Purpose: This study attempted to explain how adoption of local software development is affected by the individual, technological, environmental and organizational determinants in Kenya. Methodology:In this framework, ...

    • Enhanced postoperative surveillance versus standard of care to reduce mortality among adult surgical patients in Africa (ASOS-2): a cluster-randomised controlled trial 

      Bruce M Biccard, Leon du Toit, Maia Lesosky, Tim Stephens, Landon Myer, Agya BA Prempeh, Nicola Vickery, Hyla-Louise Kluyts, Alexandra Torborg, Akinyinka Omigbodun, Adesoji Ademuyiwa, Muhammed Elhadi, Mohamed Elfagieh, Bernard Mbwele, Mpoki Ulisubisya, Lazaro Mboma, Daniel Z Ashebir, Mahlet Tesfaye Bahta, Mohammed Hassen, Mikiyas Teferi, Yakob Seman, Eugene Zoumenou, Adam Hewitt-Smith, Janat Tumukunde, Dolly Munlemvo, Atilio Morais, Apollo Basenero, Pisirai Ndarukwa, Nazinigouba Ouerdraogo, Maman Sani Chaibou, Mohyeddine Zarouf, Ahmed Rhassane El Adib, Veekash Gobin, Zimogo Sanogo, Youssouf Coulibaly, Zipporah Ngumi, Tarig Fadalla, Cynthia Iradukunda, Vénérand Barendegere, Isaac O Smalle, Mustapha Bittaye, Ahmadou Lamin Samateh, Mahmoud Elfiky, Maher Fawzy, Wakisa Mulwafu, Vanessa Msosa, Lygia Lopes, Akwasi Antwi-Kusi, Hamza D Sama, Patrice Forget, Dawid van Straaten, Rupert M Pearse, Marichen Puchert, Lucy Rolt, Kris Schwebler, Freddy Kabambi, Tebogo Mabotja, Leandys Cobas, Albino Freitas, Maria Antunes, Bartolomeu Cabo, Domingos Paulo, Carlos Camongua, Yvette Avognon, Osseni Marcos, Raymond Kintomonho, Onesime Demahou, Gisèle Hounsa, Hugues Chobli, Elie Fassinou, Aurore Zoglobossou, Blaise Tchaou, Charles Tchegnonsi, Fifame Amadji, Francine Bossa, Ernest Ahounou, Djima Alao, Roushdane Odérémi, Afissatou Montairou, Oswald Gbehade, Romaric Tobome, Adam Boukari, Patrick Bakantieba, Arouna Sambo, Fanou Lionelle, Nounagnon Gilbert, Julien Attinon, Roger Klikpezo, Aumar Dadjo, Dénis Fanou, Gilberte Hounkpe, Bachabi Fafana, Néné Nguilu, Bodourin Dossou-Yovo, Chantal Segla, Mohamed Toko, Evelyne Gnele-Dedewanou, Michel Noukounwoui, Ethienne Yado, Timothé Gouroubéra, Valéry Adjignon, Serge Mewanou, Aïcha Tchomgang, Urielle Agossou, Fernand Soton, Charbel Azanlin, Lidwine Zomahoun, Rawéléguinbasba Armel Flavien Kabore, Salam Savadogo, Fatou Fleur Rosine Sanou, Farid Belém, Victoria Hien, Cheik Tidiane Hafid W Bougouma, Sie Ahmed Ouattara, Mariam Bambara Kabore, Ouedraogo Nazinigouba, Papougnezambo Bonkoungou, Martin Lankoandé, Mireille Traoré, Patrick Sawadogo, Inès Wenmenga, Boureima Kinda, André Simporé, Christian Sapo, Salah Idriss Traore, Haoua Dipama, Lydie WR Kaboré, Salifou Napon, Télesphore G Kaboré, Arouna Louré, Pélagie PP Tondé, Christian Zoundi, Harouna Sanou, Remy Ndikumana, Carlos Nsengiyumva, Gregory Sund, Alliance Niyukuri, Axel Kwizera, Jean-Claude Niyondiko, Adolphe Manzanza Kilembe, Jean Pierre Mwema Ilunga, Nehema Hailemariam Sarah, Gabriel Mubobo Makeya, Idesbald Mwebe Mwepu, Ted Botawaosenge Likongo, Richard Kapela Mvwala, Raphael Nzau Kapend Mubunda, Noellie Kanka Mukuna, Julie Djondo Pembe, Nicolas Lumuanga Ndaye (Elsevier, 2021)
      Risk of mortality following surgery in patients across Africa is twice as high as the global average. Most of these deaths occur on hospital wards after the surgery itself. We aimed to assess whether enhanced postoperat ...

    • Enhanced postoperative surveillance versus standard of care to reduce mortality among adult surgical patients in Africa (ASOS-2): a cluster-randomised controlled trial 

      Bruce M Biccard, Leon du Toit, Maia Lesosky, Tim Stephens, Landon Myer, Agya BA Prempeh, Nicola Vickery, Hyla-Louise Kluyts, Alexandra Torborg, Akinyinka Omigbodun, Adesoji Ademuyiwa, Muhammed Elhadi, Mohamed Elfagieh, Bernard Mbwele, Mpoki Ulisubisya, Lazaro Mboma, Daniel Z Ashebir, Mahlet Tesfaye Bahta, Mohammed Hassen, Mikiyas Teferi, Yakob Seman, Eugene Zoumenou, Adam Hewitt-Smith, Janat Tumukunde, Dolly Munlemvo, Atilio Morais, Apollo Basenero, Pisirai Ndarukwa, Nazinigouba Ouerdraogo, Maman Sani Chaibou, Mohyeddine Zarouf, Ahmed Rhassane El Adib, Veekash Gobin, Zimogo Sanogo, Youssouf Coulibaly, Zipporah Ngumi, Tarig Fadalla, Cynthia Iradukunda, Vénérand Barendegere, Isaac O Smalle, Mustapha Bittaye, Ahmadou Lamin Samateh, Mahmoud Elfiky, Maher Fawzy, Wakisa Mulwafu, Vanessa Msosa, Lygia Lopes, Akwasi Antwi-Kusi, Hamza D Sama, Patrice Forget, Dawid van Straaten, Rupert M Pearse, Marichen Puchert, Lucy Rolt, Kris Schwebler, Freddy Kabambi, Tebogo Mabotja, Leandys Cobas, Albino Freitas, Maria Antunes, Bartolomeu Cabo, Domingos Paulo, Carlos Camongua, Yvette Avognon, Osseni Marcos, Raymond Kintomonho, Onesime Demahou, Gisèle Hounsa, Hugues Chobli, Elie Fassinou, Aurore Zoglobossou, Blaise Tchaou, Charles Tchegnonsi, Fifame Amadji, Francine Bossa, Ernest Ahounou, Djima Alao, Roushdane Odérémi, Afissatou Montairou, Oswald Gbehade, Romaric Tobome, Adam Boukari, Patrick Bakantieba, Arouna Sambo, Fanou Lionelle, Nounagnon Gilbert, Julien Attinon, Roger Klikpezo, Aumar Dadjo, Dénis Fanou, Gilberte Hounkpe, Bachabi Fafana, Néné Nguilu, Bodourin Dossou-Yovo, Chantal Segla, Mohamed Toko, Evelyne Gnele-Dedewanou, Michel Noukounwoui, Ethienne Yado, Timothé Gouroubéra, Valéry Adjignon, Serge Mewanou, Aïcha Tchomgang, Urielle Agossou, Fernand Soton, Charbel Azanlin, Lidwine Zomahoun, Rawéléguinbasba Armel Flavien Kabore, Salam Savadogo, Fatou Fleur Rosine Sanou, Farid Belém, Victoria Hien, Cheik Tidiane Hafid W Bougouma, Sie Ahmed Ouattara, Mariam Bambara Kabore, Ouedraogo Nazinigouba, Papougnezambo Bonkoungou, Martin Lankoandé, Mireille Traoré, Patrick Sawadogo, Inès Wenmenga, Boureima Kinda, André Simporé, Christian Sapo, Salah Idriss Traore, Haoua Dipama, Lydie WR Kaboré, Salifou Napon, Télesphore G Kaboré, Arouna Louré, Pélagie PP Tondé, Christian Zoundi, Harouna Sanou, Remy Ndikumana, Carlos Nsengiyumva, Gregory Sund, Alliance Niyukuri, Axel Kwizera, Jean-Claude Niyondiko, Adolphe Manzanza Kilembe, Jean Pierre Mwema Ilunga, Nehema Hailemariam Sarah, Gabriel Mubobo Makeya, Idesbald Mwebe Mwepu, Ted Botawaosenge Likongo, Richard Kapela Mvwala, Raphael Nzau Kapend Mubunda, Noellie Kanka Mukuna, Julie Djondo Pembe, Nicolas Lumuanga Ndaye (Elsevier, 2021)
      Background Risk of mortality following surgery in patients across Africa is twice as high as the global average. Most of these deaths occur on hospital wards after the surgery itself. We aimed to assess whether enhanced ...

    • Enhanced soil washing process for the remediation of PBDEs/Pb/Cd-contaminated electronic waste site with carboxymethyl chitosan in a sunflower oil–water solven... 

      Ye, Mao; Sun, Mingming; Wan, Jinzhong; Fang, Guodong; Li, Huixin; Hu, Feng; Jiang, Xin; Kengara, Fredrick O (2015-02-01)
      Abstract An innovative ex situ soil washing technology was developed to remediate polybrominated diphenyl ethers (PBDEs) and heavy metals in an electronic waste site. Elevated temperature (50° C) in combination with ...

    • Enhanced soil washing process for the remediation of PBDEs/Pb/Cd-contaminated electronic waste site with carboxymethyl chitosan in a sunflower oil–water solvent system and … 

      Mao Ye, Mingming Sun, Jinzhong Wan, Guodong Fang, Huixin Li, Feng Hu, Xin Jiang, Fredrick Orori Kengara (Springer Berlin Heidelberg, 2015-02-01)
      An innovative ex situ soil washing technology was developed to remediate polybrominated diphenyl ethers (PBDEs) and heavy metals in an electronic waste site. Elevated temperature (50 °C) in combination with ultrasonication ...

    • Enhancement of antibacterial activity through phyto‐fabrication of silver nanoparticles with Ficus thonningii aqueous extracts 

      Dickens A Ondigo, Were LL Munyendo, Dickson Andala, Apollo O Maima, Josephat M Mosweta, Kevin W Odhiambo (The institute of engineering and Technology, 2022)
      The World Health Organisation reports higher levels of bacterial resistance to cephalosporins and carbapenems of above 54%. The sufficient redox capabilities of Ficus thonningii phytochemicals for Ag+ reduction to Ag0 and ...

    • Enhancement of degradation of DDT and HCB in tropical clay soils in model experiments 

      Fredrick Orori Kengara (Technische Universität München, 2010)
      This study sought to enhance the degradation of two persistent organic pollutants (POPs) – DDT and HCB – in two tropical clay soils in model laboratory experiments. Anaerobic-aerobic cycles and amendment with compost were ...

    • Enhancing climate action at grassroots levels in least developed countries: unlocking bio-briquetting opportunities for communities in Wajir, Vihiga, Kitui, and Kajiado counties in Kenya 

      Raphael Otakwa, Herick Othieno and Andrew Oduor (Inderscience Publishers (IEL), 2021)
      Grassroots communities are often the hardest hit by climate change. They also appreciably contribute to the problem through activities like deforestation, land use changes, and cooking with firewood. Bio-briquettes from ...

    • Enhancing Competitiveness Through Guests’ Experiences: A Typology of Customer Experiences in Upscale Hotels 

      Antoneta Njeri Kariru, Oscar Ouma Kambona, Edwin Odhuno (Routledge, 2017)
      This study sought to develop a marketing model that can enhance the competitiveness of four- and five-star hotels in Kenya. The main factors generating guests’ expectations and delight were investigated after focusing ...

    • Enhancing Completion Rates through structural and Operational Changes in the Management of Postgraduate Programmes in Kenya's Public universities. 

      20. Waswa F, Abenga E, Indede F (Google Books, 2020)

    • Enhancing light absorption and lifetime stability of organic solar cells using pentacene encapsulation 

      F Otieno, K Kamalakannan, M Airo, D Wamwangi (SA Institute of Physics, 2015)
      . In the present work we compare the performance of a pristine P3HT:PCBM based bulk heterojunction solar cell with a device incorporated with pentacene encapsulated Ag nanoparticles. Encapsulation has been achieved through ...

    • Enhancing Quality Education through Devolution of Quality Assurance Functions to Schools in Kenya: Expectations and Challenges 

      John Ogamba King’oina (International Journal of Education and Research, 2014)
      The concept of devolution which means taking services closer to wananchi (citizens) has gained momentum since the promulgation of the current constitution of Kenya in the year 2010. The functions of Directorate Quality ...

    • 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 ...

    • Enrolment Trends in Youth Polytechnics in West Pokot County, Kenya. 

      Luyali E Patrick, Olel A Maureen, Othuon Lucas (IISTE. No 1 Central, Hong Kong Island, Hong Kong SAR, 2015)
      The concept of Youth Polytechnics (YPs) was started as village polytechnics in 1968 by the National Christian Council of Kenya (N.C.C.K.).They are managed by local communities, Non-Governmental Organizations, the government ...

    • Entanglement of atom-field states in the anti-Jaynes-Cummings interaction: rabi oscillations and quantum teleportation of entangled atomic qubits 

      MAYERO, Christopher (Maseno University, 2023)
      The quantum Rabi model (QRM), the simplest single-mode spin-boson model, was initially simplified using rotating wave approximation (RWA), yielding the Jaynes Cummings (JC) model in rotating frame (RF). The QRM was later ...

    • Enteral Feeding Practices for Very Preterm and Very Low Birth Weight Infants in Nigeria and Kenya 

      Olukemi O Tongo, Macrine A Olwala, Alison W Talbert, Helen M Nabwera, Abimbola E Akindolire, Walter Otieno, Grace M Nalwa, Pauline EA Andang'o, Martha K Mwangome, Isa Abdulkadir, Chinyere V Ezeaka, Beatrice N Ezenwa, Iretiola B Fajolu, Zainab O Imam, Dominic D Umoru, Ismaela Abubakar, Nicholas D Embleton, Stephen J Allen (Frontiers in pediatrics, 2022-05-11)
      Optimizing nutrition in very preterm (28–32 weeks gestation) and very low birth weight (VLBW; 1,000 g to< 1,500 g) infants has potential to improve their survival, growth, and long-term health outcomes. Aim To assess ...

    • Entomophagus Response of Indigenous Chicken to Diets Enriched with German Cockroach (Blattela germanica) Meal in Kenya 

      Ngaira, Victor Muhumbwa; Wambui, Caroline Celina; Mosi, Reuben Oyoo; Wayua, Francis Obuoro; Wachira, Anne Mumbi; Ilatsia, Evans Deyie (2023-05-16)
      Feeding accounts for 65-70% of cost production in a chicken enterprise. Fishmeal has primarily been used as a source of protein in chicken feed owing to its excellent nutritional value. However, due to its unstable supply ...

    • Entrepreneurial Behaviour of Dairy Groups in Nyamira County, Kenya: A Sustainable Livelihood Strategy for Rural Development 

      DO Osewe, PB Kharde, MJ Kipsat (Asian Journal of Agricultural Extension, Economics & Sociology, 2016-10-06)
      Aim: Farmers’ groups were introduced in Kenya as cooperatives during the colonial period for the purpose of promoting commercial agricultural production by peasant farmers. However, there is still poor rural milk trade and ...