• Exploring Rabi Oscillations, Maximally Entangled States and Perfect Teleportation in the Anti-Jaynes-Cummings Interaction: Insights into Quantum Dynamics and Entanglement Applications 

  Mayero, Christopher; Omolo, Joseph Akeyo (BP International, 2024-11-11)

  This study presents a method for producing maximally entangled qubit states, also known as entangled anti-polariton qubit states, in the anti-Jaynes-Cummings interaction mechanism. We show that, in an initial vacuum-field, ...
• Effect of the extended π-surface and N-butyl substituents of imidazoles on their reactivity, electrochemical behaviours and biological interactions of corresponding Pt(II)-CNC carbene complexes: exploring DFT and docking interactions† 

  Onunga, O.Daniel; Jaganyi, Deogratius; Robinson, Ross; Mambanda, Allen (Royal Society of Chemistry, 2024-07-05)

  In this study, we synthesised and characterised three C^N^C pincer (N-heterocyclic carbene)-type tridentate ligands, namely, 2,6-bis[(3-methylimidazolium-1-yl)methyl]pyridine dibromide (L1), 2,6-bis[(3-methylbenzimidazol ...
• Slowing the reactivity of dicyclometalated Pd (II) complexes through the 2, 6-bis (N-heterocyclic carbene) pyridine (C^ N^ C) non-leaving ligands: kinetic and computational study 

  Onunga, O.Daniel; Jaganyi, Deogratius; Mambanda, Allen (Springer International Publishing, 2024-08-21)

  In this study, the kinetic and mechanistic studies of the substitution of chloride ligand of [(chloro)(2,6-bis(N-heterocyclic carbene)pyridine)Pd(II)]BF4 complexes, namely Pd1, Pd2, Pd3 and Pd4, by thiourea nucleophiles ...
• Tuning the structural and mechanical properties of SiC-Li and SiC-Na alloys for aerospace application: an ab initio study 

  Otieno, Ochieng Victor; Ongwen, Nicholas; Otieno, Calford (Journal of Physics Communications, 2024-11-04)

  Aluminum (Al) and its alloys are popular in the aerospace industry due to their high strength-to-weight ratio, corrosion resistance, and ductility. However, these properties (extreme ductility and malleability) can compromise ...
• First principles investigation of elastic, electronic and thermoelectric properties of lead-free Cs–X–I (X= Pb, Gd, Nd, Y) perovskites 

  Alruqi, Adel Bandar; Ongwen, Nicholas Ogada (Journal of Physics Communications, 2024-10-31)

  Perovskites have become the center of recent research for their possible application in perovskite solar cells, owing to their desirable optical and electronic properties, flexibility, tunability, and low–cost fabrication. ...
• Synthesis and Characterization of Cadmium Tin Oxide for MEMS Substrates and Its Comparative Computational Study with Silicon and Silicon Carbide 

  Ongwen, Nicholas (Springer US, 2024-10-22)

  The rising demand for semiconductor substrates for printing electronic circuits has been sparked by recent breakthroughs in electronics. The most popular substrate for printing these devices is silicon (Si), which is chosen ...
• Synthesis of pumice and medical waste incinerator fly ash based phosphate geopolymers for methylene blue dye adsorption: co-valorization, parameters and mechanism 

  Collins Onyango, Wilfrida Nyairo, Bowa Kwach, Victor Shikuku, Tome Sylvain, Hermann Dzoujo Tamaguelon, Claus Rüscher (Royal Society of Chemistry, 2024-09-26)

  In this study, four geopolymer composites, GP-0, GP-10, GP-20 and GP-30, were synthesized from pumice, an abundant and inexpensive volcanic rock precursor, substituted with fractions of 0, 10, 20 and 30% by weight of medical ...
• Simple and robust algorithms to estimate liveweight in African smallholder cattle 

  Goopy, J.P; Pelster, D.E; Onyango, Alice; Marshall, K; Lukuyu, M (CSIRO PUBLISHING, 2017)

  Measurement of liveweight of stock is one of the most important production tools available to farmers – playing a role in nutrition, fertility management, health and marketing. Yet most farmers in sub-Saharan Africa do not ...
• IPCC Tier 1 methodology overestimates the carbon footprint of smallholder cattle production systems in Kenya 

  Korir, Daniel; Ndung’u, W Phyllis; Onyango, Alice; Arndt, Claudia; Goopy, John; Marquardt, Svenja; Eckard, Richard (Research square, 2023-07-10)

  Highlights• Use of Tier 2 resulted in 19-25% lower total GHG emissions compared to Tier 1.• Using locally measured methane yield instead of the defaults resulted in 19-25% lower GHG emission estimates.• Energy allocation ...
• The Nexus between Electoral Management System and Post-Election Violence in Kenya Since 1963 

  Ochieng, Charles Otieno P; Matanga, Frank Khachina; Iteyo, Crispinous (African Journal of Empirical Research (AJERNET), 2024-10-08)

  The study investigates the relationship between Kenya's electoral management system and post-election violence, which has per sisted despite numerous reforms since the country's independence in 1963. The primary aim was ...
• Potential of biochar amendment as phosphorus source in tropical paddy soil 

  Ong’injo, Rogers Omondi; Kengara, Fredrick Orori; Shikanga, Emmanuel (2023-12-14)

  Phosphorus (P) is an essential element for crop production but its non-renewable natural sources are on the verge of depletion. The few remaining P sources may be depleted in the next 30–50 years. This calls for P recycling ...
• Phytoremediation Potential of Cyperus Rotundus L. in Soils Contaminated with Potentially Toxic Elements, the Case of Abandoned Artisanal Small-Scale Gold Mines in Kenya 

  Shikanga, Emmanuel Amukohe (International Journal of Research and Innovation in Social Science (IJRISS), 2024-09-18)

  Phytoremediation involves the use of plants for removal of pollutants from soil before its conversion for agricultural use. Cyperus rotundus L. is a reed that naturally grows in marshy and swampy areas including abandoned ...
• Sustainability of biochar amendment in a tropical paddy soil 

  Ong’injo, Rogers Omondi; Kengara, Fredrick Orori; Shikanga, Emmanuel; Wang, Fang (Elsevier, 2024-05-27)

  Biochar use as a soil amendment has attracted increased attention from researchers worldwide but its effects on soil properties, nutrients and greenhouse gas emissions remain scanty especially for tropical paddy soils. ...
• Capacity building in porous materials research for sustainable energy applications 

  Henrietta W Langmi, Nicholas M Musyoka, Justin C Kemmegne-Mbouguen, Chrispin Kowenje, Fredrick Kengara, Robert Mokaya (The Royal Society, 2024-08-09)

  The project aimed to develop porous materials for sustainable energy applications, namely, hydrogen storage, and valorization of biomass to renewable fuels. At the core of the project was a training programme for Africa-based ...
• Prevalence, Knowledge, and Occupational Risk Factors for Tuberculosis among Health Workers in Siaya County Hospitals, Kenya 

  Wambura, Mary Juma; Onyango, Patrick; Wandiga, Steve; Onguru, Daniel (African Journal of Health Sciences, 2024-09-11)

  TB is a known occupational hazard for healthcare workers (HCWs), especially in countries with high TB burdens. It is estimated that HCWs have a 2- to 3-fold increased risk of developing TB compared with the general ...
• Bioactive abietenolide diterpenes from Suregada procera 

  Jackson Obegi Matundura, Jackson T Mollel, Masum Miah, Joanna Said, Leonidah K Omosa, Thobias M Kalenga, Yannik T Woordes, Vaderament-Alexe Nchiozem-Ngnitedem, Andreas Orthaber, Jacob O Midiwo, Wouter Herrebout, Edward Trybala, Tomas Bergström, Luis Apaza Ticona, Mate Erdelyi, Abiy Yenesew (Elsevier, 2024)

  The phytochemical investigation of the leaves and the roots of Suregada procera afforded the new ent-abietane diterpenoid sureproceriolide A (1) along with the known secondary metabolites 8,14β:11,12α-diepoxy-13(15)-abie ...
• Effect of the extended π-surface and N-butyl substituents of imidazoles on their reactivity, electrochemical behaviours and biological interactions of corresponding Pt(II)-CNC carbene complexes: exploring DFT and docking interactions† 

  Bellam, Rajesh; Onunga, Daniel. O; Jaganyi, Deogratius; Robinson, Ross Stuart; Mambanda, Allen (Royal Society of Chemistry, 2024)

  In this study, we synthesised and characterised three C^N^C pincer (N-heterocyclic carbene)-type tridentate ligands, namely, 2,6-bis[(3-methylimidazolium-1-yl)methyl]pyridine dibromide (L1), 2,6-bis[(3-methylbenzimidazol ...
• Gravitation in Flat Euclidean Spacetime Frame: Unified Electrogravity and Magnetogravity Forces 

  Kibande, Wellingtone; Omolo, Joseph Akeyo; Simiyu, Dismas Wamalwa (European Journal of Applied Physics, 2024-07-15)

  An effective description of physics requires an appropriate geometrical frame. Three-dimensional Euclidean space provides the geometrical frame for non-relativistic physics. A derivation of an imaginary temporal axis− icˆq ...
• Effect of Rainfall on Seasonality of Malaria Transmission Dynamics and Percentage Occurrence of mRDT Positives Around the Five Rural Health Facilities in Vihiga County, Kenya 

  Ongonda, John Khamala; Ayieko, Cyrus; Miheso, Stephen; Munde, Elly (International Journal of Research and Innovation in Applied Science (IJRIAS), 2024-04-24)

  The negative impact and concern of malaria is felt world over with 247 million cases reported in 2021. The cases were reported in 84 malaria endemic countries with high number of casualties experienced in Africa. Normally, ...
• Meta-analytic review on the impact of factors that affect performance of malaria rapid diagnostic test in Africa 

  Ongonda, John Khamala; Ayieko, Cyrus; Miheso, Stephen (MediHealth Academy Yayıncılık, 2024-03-25)

  Timely, accurate diagnosis and treatment has improved malaria case management. Malaria Rapid Diagnostic Test (mRDT) kits are largely used in malaria diagnosis. Their performance is compromised by factors related to gene ...

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