Publications

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2021
S.I.Akaranga, T.K.Musili, J.M.Karicha. "Secularization of Marriage Ritual Among the Ameru in Kenya." East African Journal of Traditions, Culture and Religion. 2021;3(2):52-59.
Musiga LA. "Sensitivity Analysis of Cisco 12000 GSR." Kenya Journal of Sciences. 2021;17(1):1-9.
S K, M KP, M MG, MK N, M N. "Sero-prevalence and Risk Factors for Human Brucellosis in Marsabit County, Kenya (2014)." PAMJ - One Health. 2021;4(9).
Vanleeuwen J, Muraya J, Gitau G, Makau D, Crane B, McKenna S, Wichtel J. "Seroprevalence and risk factors of Neospora caninum and Bovine Viral Diarrhoea Virus in smallholder dairy cattle in Kenya." East African Journal of Science, Technology and Innovation. 2021;3(1).
Walter Onchere, Weke P, Ottieno J, Ogutu C. "Shared Frailty Model with Application in Joint–Life Annuity Assurance." Advances and Applications in Statistics. 2021;68( 1):23-42.
Murunga J, Muriithi MK, Wawire NW. "Size of the Informal Sector and Tax Revenue in Kenya. Journal of Economics and Public Finance." Journal of Economics and Public Finance. 2021;7(5).
Makanya AN, Kavoi BM, Kihurani DO. "Slight volume changes in the duck lung do not imply a fundamental change in the structure of the parenchyma." Anatomia, Histologia, Embryologia. 2021;50(1):169-174.
Aura C, Okronipa H, Olela P, Mojica L, Forella K, Otuo P, Bageant E, Obuya J, Onyango H, Ochieng J. "Small-scale fishing households facing COVID-19: The case of Lake Victoria, Kenya.". 2021.
H.M K, Z. O, R. T, K. M. "The Societal Construction of Femininity as Depicted in the Metaphor of Chicken in Swahili Proverbs." Mwanga wa Lugha -Jarida la Idara ya Kiswahili na Lugha Nyingine za Kiafrica. 2021;6/1(April 2021):19-26.
Wairire G, Okemwa P, Akinyi M. "Society and Successful Transition: Female Genital Mutilation." The Counsel-ling Magazine. 2021;1(1):19-24.
Kasyoka LA, Mutavi T, Muhingi WN, Ondicho T, Gitau C. "Socio-Cultural Factors Associated with Gender-Based Violence Survivors Accessing Legal Services in Makueni County, Kenya." Journal of Research Innovation and Implications in Education. 2021;5(1):30-41.
Leonard M. Nderitu, John Gachohi FO, Eddy G. Mogoa, Mathew Muturi AM, Eric M. Osoro, Isaac Ngere, Peninah M. Munyua, Harry Oyas ON, Eric Lofgren, Thomas Marsh M-AW, Bernard Bett KNM. "Spatial clustering of livestock Anthrax events associated with agro-ecological zones in Kenya, 1957–2017." BMC Infectious Diseases . 2021;21(191).
Rop KV, Langat PK, Ouma HA. "Spectrum Sensing on High Density Cognitive Radio Vehicular Ad Hoc Network." ,” Journal of Communications (JCM). 2021;16(7):259-266.
.B K, Chaudhry S. "Sports in Advancing Diplomacy in Kenya." Journal of Global Peace and Conflict. 2021;9(2).
2 Joyce Eunice, Douglas Miano MEMIMWM &. "Status of maize lethal necrosis disease in seed production system in Kenya." Cogent Food & Agriculture. 2021;7(11918406):Online. Abstract

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Ochukut SA, Oboko RO. "Strategies for Managing Cognitive Load and Enhancing Motivation in E-Learning." igi-global.com. 2021:17. Abstract

Cognitive load and motivation are two factors that have been established as mediators of learning. It has been established that learners who experience low cognitive loads and are highly motivated to succeed in learning. Since e-learning is becoming a very popular means of delivering learning, there needs to be established strategies to ensure that learners learn. This study sought to look at the various means that have been used in e-learning studies to manage cognitive load and enhance motivation through the analysis of literature. Use of metaphorical interfaces, hypertext, sequencing, and fading of learning content, use of transient information, and adaptation of the problem-solving support were the strategies that have been used in e-learning studies to manage cognitive load. Motivation has been enhanced through the use of motivational messages and adaptive navigational support and pedagogical agents.

Bota D, Bunyasi A, Amayo A, Wachira JW, Okello JO. "Strengthening Medical Laboratory Systems in Kenya: An Innovative Biosafety Training Model." Applied Biosafety. 2021;00(00):1-11.
Lengoiboni M, Katcho Karume, Siriba D, Ssengendo R, Potel J, Lemmen C, Zevenbergen J. "Strengthening the Eastern Africa Land Administration Network (SEALAN) project in enhancing inter-university Collaboration in land administration Eastern Africa." African Journal on Land Policy and Geospatial Sciences . 2021;4(1):143-161.
Maina, Kemboi, D.C., munyaga, mounde. "STRUCTURE OF DESIGN FIRMS WITHIN NAIROBI: CASE STUDY OF A+ PLUS INTERIORS, AVOCADO CREATIVE STUDIOS AND DALBERG DESIGN." Design For All Journal of India. 2021;16(1):12-40.
Maina, Kemboi, D.C., munyaga, mounde. "STRUCTURE OF DESIGN FIRMS WITHIN NAIROBI: CASE STUDY OF A+ PLUS INTERIORS, AVOCADO CREATIVE STUDIOS AND DALBERG DESIGN." Design For All Journal of India. 2021;16(1):12-40.
Maina, Kemboi, D.C., munyaga, mounde. "STRUCTURE OF DESIGN FIRMS WITHIN NAIROBI: CASE STUDY OF A+ PLUS INTERIORS, AVOCADO CREATIVE STUDIOS AND DALBERG DESIGN." Design For All Journal of India. 2021;16(1):12-40.
Ondicho TG. "Students’ Perspectives on Online Learning at the University of Nairobi during COVID-19.". In: Youth in Struggles: Unemployment, Politics, and Cultures in Contemporary Africa. Tokyo: Research Institute for Languages & Cultures of Asia and Africa; 2021.
SO Pambo, Moindi SK, Nzimbi BM. "A study of eta-Ricci soliton on W_5-semi symmetric LP sasakian manifolfds." International Journal of Statistics and Applied Mathematics. 2021;5(5):25-29. AbstractWebsite

In this paper, we study ƞ-Ricci solitons on Lorentzian para-Sasakian manifold satisfying
R(ξ,X)•W_5(Y,Z)U=0 and W_5(ξ,X)•R(Y,Z)U=0 conditions.
We prove that on a Lorentzian para-Sasakian manifold (M,ξ,ƞ,g), the Ricci curvature tensor satisfying
any one of the given conditions, the existence of ƞ-Ricci soliton then implies that (M,g) is Einstein
manifold. We also conclude that in these cases, there is no Ricci soliton on M, with the potential vector
field ξ (the killing vector)

K SARNA, M K, SW G. "Surgical Management of A Massive Congenital Haemangioma of the Tongue in an Infant: A rare Case Report." International Journal of Paediatric Otorhinolaryngology. 2021;9:e04909(9:e04909):9:e04909.
Mulinge E, Zeyhle E, Mpario J, Mugo M, Nungari L, Ngugi B, Gathura P, Sankale B. "A survey of intestinal helminths in domestic dogs in a human–animal–environmental interface: the Oloisukut Conservancy, Narok County, Kenya." Journal of Helminthology . 2021;95.
Rogito DO, Maitho T, Nderitu A. "Sustainability of Food Security Irrigation Projects by Taking Corrective Action after Participatory Monitoring and Evaluation in Kitui County, Kenya. International journal of Innovative Research and Development. ISSN 2278-0211 (Online).". 2021. Abstract

Abstract:
Food supply is less than food demand in Kitui County as population keeps increasing. This lack of food leads to
malnutrition, poor health and even death to human beings and animals both domestic and wild. Agriculture is the key
food source in Kitui County in the republic of Kenya. Occasionally residents buy food quantities from neighboring Arid
and semi-arid areas counties which is not a reliable source because they face similar challenge. Many interventions to
improve food security has been put in place and one such is irrigation by the local county and National government
initiated through National irrigation Board but sustainability of these projects is a great concern in Kitui County.
Despite the irrigation projects setup still biting is food insufficiency which persists. One approach to improve
sustainability of irrigation projects is carrying out participatory monitoring and evaluation and then taking
corrective action which could also lead to ownership and then improved sustainability. This was the objective of the
study which was to assess if taking corrective action after Participatory Monitoring and evaluation (PME)influence
project sustainability. The study used descriptive survey and correlation designs in order to collect data from 316
respondents who were selected using stratification, judgmental and purposeful with strict randomization methods.
Questionnaires were administered and interviews were conducted on selected respondents on appointed dates. Data
was analyzed using Statistical Package for Social scientist (SPSS) version 25.0in order to get descriptive statistics also
correlation coefficients were got in order to get association and degree of strength. Testing of hypothesis was done
using linear regression. The study findings show thata big percentage (56.3%) of the respondents were aged between
31 to 40years.Majority of the respondents were females and their highest-level of education was up to primary school.
The respondents agreed that PME data collection and taking corrective action were not done. Taking corrective
action had a weak influence on sustainability with a correlation coefficient (r)of 0.33 which only explains 10.9% of
project sustainability. It’s recommended that farmers should be trained more through seminars and vocational
institutions in order to empower them with skills. Also, farmers should be encouraged to participate in irrigation
projects as they can have a sense of ownership. Infrastructure should be improved in order to access markets and a PM
& Eunit should be set up in irrigation projects in order to spear data collection and analysis and guide projects
towards sustainability. This is significant because it will improve sustainability and thus more food supply reducing
malnutrition rates and death among people and animals.
Keywords: Participatory monitoring and evaluation, Food security, taking corrective action, irrigation,
Sustainability, Projects, management

RUFINO MC, Gachene CKK, DIOGO RVC, HAWKINS J, ONYANGO AA, SANOGO OM, WANYAMA I, YESUF G, PELSTER DE. "SUSTAINABLE DEVELOPMENT OF CROP-LIVESTOCK FARMS IN AFRICA.". 2021.
Makori EO. "Sustainable Information Development Practices and Societal Transformation in Kenya." International Journal of Library and Information Services. 2021;10(2):1-19.
Dede, J. A, M.F. O. "A Synopsis of Training, Employee retention and Performance." Global Journal of Human Resource Management. 2021;9(2):73-85.
H Shagwira H, MBUYA TO, Mwema FM, Michael H, Akinlabi ET. "Taguchi Optimization of Surface Roughness and Material Removal Rate in CNC Milling of Polypropylene + 5wt.% Quarry Dust Composites." IOP Conference Series: Materials Science and Engineering. 2021;1107(1):012040. Abstractdoi:10.1088/1757-899X/1107/1/012040

The Taguchi optimization technique was utilized to determine the optimal milling parameters that can be used in end face CNC milling operation of polypropylene+5wt.% quarry dust using high-speed steel (HSS) tool. Three milling input parameters i.e. the feed rate (f), the cutting speed of the spindle (N) and the depth of cut (dc) were optimized while considering the surface roughness (Ra) of the machined composite material and the material removal rate (MRR) during machining as the responses of the experimental design. From the results, the cutting speed (100 rpm) and the feed rate (120 mm/min) were the most important control parameters which greatly influence the surface roughness at 41.4% and 28.8% contribution respectively. In the case of the material removal rate, the depth of cut (0.8 mm) was the dominating factor at 98% contribution.

Murunga J, Wawire NW, Muriithi MK. "Tax Revenue Productivity of Tax Reforms in Kenya. International Journal of Economics and Finance." Canadian Center of Science and Education. 2021;13(12).
Muasya JN. "Teacher Education and Curriculum Studies." Teacher Education and Curriculum Studies. 2021;6(3):101-108.
Ayuyo IO, KRHODA GO, Mukhovi SM, Nyandega IA. "Temporal Variations in Rainfall and Temperature and their Effects on the River Discharge in the Mara River Basi." East African Journal of Science, Technology and Innovation. 2021;2(1):1-23.
"Temporal Variations in Rainfall and Temperature and their Effects on the River Discharge in the Mara River Basin." East African Journal of Science, Technology and Innovation,. 2021;2(1).
Akintayo RO, Akpabio AA, Kalla AA, Dey D, Migowa AN, Olaosebikan H, Bahiri R, Miedany YE, Hadef D, Oyoo O. "TheimpactofCOVID-19onrheumatologypractice acrossAfrica." Af r ic a n J o u r n a l o f R h e u mat o l o g y. 2021;9(1):1-6. Abstractthe_impact_of_covid-19_on_rheumatology_practice.pdf

Objectives. To identify the changes in rheumatology service delivery across the five regions of Africa from the
impact of the COVID-19 pandemic.
Methods. The COVID-19 African Rheumatology Study Group created an online survey consisting of 40 questions
relating to the current practices and experiences of rheumatologists across Africa. The CHERRIES checklist for
reporting results of internet e-surveys was adhered to.
Results. A total of 554 completed responses were received from 20 countries, which include six in Northern
Africa, six in West Africa, four in Southern Africa, three in East Africa and one in Central Africa. Consultant grade
rheumatologists constituted 436 (78.7%) of respondents with a mean of 14.56 10.3 years of experience. A total of
77 (13.9%) rheumatologists avoided starting a new biologic. Face-to-face clinics with the use of some personal
protective equipment continued to be held in only 293 (52.9%) rheumatologists’ practices. Teleconsultation modalities
found usage as follows: telephone in 335 (60.5%), WhatsApp in 241 (43.5%), emails in 90 (16.3%) and video
calls in 53 (9.6%). Physical examinations were mostly reduced in 295 (53.3%) or done with personal protective
equipment in 128 (23.1%) practices. Only 316 (57.0%) reported that the national rheumatology society in their
country had produced any recommendation around COVID-19 while only 73 (13.2%) confirmed the availability of a
national rheumatology COVID-19 registry in their country.
Conclusion. COVID-19 has shifted daily rheumatology practices across Africa to more virtual consultations and
regional disparities are more apparent in the availability of local protocols and registries.
Key words: COVID-19, Africa, rheumatology, DMARD, rheumatic and musculoskeletal diseases, telem

Ebrahim YH. Theoretical architecture (Aleamarat alnazania): Regional bioclimatic architecture. Chisinau, Moldova: LAP Lambert Academic Publishing; 2021.
Inyega HN, Inyega JO. "Theoretical probabilities and practical possibilities of nurturing teachers' and primary school learners' social and emotional skills: Examples from Kenya." Journal of Pedagogy, Andragogy and Heutagogy in Academic Practice(ISSN: 2708-261X),. 2021;2(3):42-56.
Olale P. Thika Technical Training Institute Master Plan. Institute TTT, ed. Nairobi: Thika Technical Training Institute; 2021.
Siriba DN. "Towards a GNSS Data Accuracy Standard for Georeferencing." Kenya Surveyors' Journal. 2021;2021:5.
Moturi C, Abdulrahim N, Orwa D. "Towards adequate cybersecurity risk management in SMEs." International Journal of Business Continuity and Risk Management. 2021. AbstractWebsite

Small and Medium-sized Enterprises (SMEs) are core to the growth of the African economy. Their continued dependency on technology is driving them deeper into risks. SMEs that are developing technology-based solutions need an effective way to manage cyber risks. This study sought to determine the key cybersecurity risks faced by SMEs in Kenya that develop technology-based solutions. Using a case study approach and based on the National Institute of Standards and Technology (NIST) cybersecurity framework, an in-depth evaluation of the cybersecurity risk management practices within a selected SME was undertaken. The paper reports on the components identified as critical in the management of cyber risks within SMEs. An implementation strategy has been developed to provide a roadmap to assist in the management of cyber risks as part of their business risks. Insights provided will assist the Government and regulatory bodies assess the adequacy of current cybersecurity legislations and guidelines. This study has practical implications for SME managers in fostering a cybersecurity culture in this growing sector.

Mungai GN, Njenga HN, MATHU ELIUDM, Madadi VO. "Trace Elements in Carbonated Cold Springs of Eastern Mt. Kenya, Meru County." Journal of the Kenya Chemical Society. 2021;14(1):9-16.
Aymara Llanque, Johanna Jacobi TTSMCSATLFF. "Transformations towards food sustainability using the participatory Food Sustainability Assessment Framework ." Social Innovation. 2021;695(5):2021-03-04.
Jekayinoluwa T, Tripathi JN, Dugdale B, Obiero G, E M, Dale J, L T. "Transgenic Expression of dsRNA Targeting the Pentalonia nigronervosa acetylcholinesterase Gene in Banana and Plantain Reduces Aphid Populations." Plants.. 2021;10 (4)(613):1-18.
Maina. "TRANSITIONAL ITINERARY OF VERNACULAR BASKETRY IN EAST AFRICA." Design For All Journal of India. 2021;16(1):41-74.
Maina. "TRANSITIONAL ITINERARY OF VERNACULAR BASKETRY IN EAST AFRICA." Design For All Journal of India. 2021;16(1):41-74.
Nzuma MJ, Kirui P. "Transmission of Global Wheat Prices to Domestic Markets in Kenya: A Cointegration Approach." African Journal of Agricultural and Resource Economics. 2021;16(1):80-93.
W G, M O, GO O. "Treatment Approaches for Multiple Myeloma: A Review." Journal of Kenya Association of Physicians. 2021;3(1):29-34. Abstract

Background: Multiple Myeloma (MM) is a
haematological cancer characterized by complications
of end-organ damage and subsequently high mortality.
Previously, there were few therapies available with
minimal survival benefit for most patients. Survival
was less than a year in many countries. The survival of
MM patients can range from 6 months to over 10 years,
with a median of 6 years, depending on stage of the
disease at diagnosis and prognostic factors. However,
with the advent of newer immune modulating agents
and novel therapies, there exists an opportunity to
improve the management of MM.
Objective: The purpose of this review is to discuss
the current chemotherapy and novel agents available
for treatment of Multiple Myeloma and highlight
emerging therapies in treatment of Multiple Myeloma,
some of which are now locally available in Kenya.
Data Sources: International Guidelines on Treatment
of Multiple Myeloma; Published articles from peerreviewed
journals; ESMO, NCCN guidelines on
Multiple Myeloma
Conclusion: New MM therapies have been shown to
improve progression-free survival and overall survival
of to upto 82% at four years. Some of these therapies
are now accessible locally through government
funding. In combination with a wholesome approach
which includes appropriate supportive care, there
exists an opportunity to improve the quality and
standard of care of MM patients in Kenya to replicate
the success of that in developed countries.
Key words: Multiple myeloma, Cancer

IRIBEMWANGI PI. "A Tribute to Euphrase Kezilahabi (1944–2020)." Tydskrif Vir Letterkunde. 2021;58(1):160-161.
Simon PB, Joseph JO, Ochieng JW, Christian Keambou Tiambo, Getinet Mekuriaw Tarekegn, Machuka EM, Kabange D, Musale K, Ciza AM, Kizungu RV, Pelle R. "Typology, management and smallholder farmer-preferred traits for selection of indigenous goats (Capra hisrcus) in three agro-ecological zones in the Democratic Republic of Congo." Journal of Applied Animal Research. 2021;49(1):423-430.
Ochieng JW, Christian Keambou Tiambo, Getinet Mekuriaw Tarekegn, Machuka E, Kabange D, et.al. "Typology,management and smallholders farmer preferred traits for selection of indigenous goats(Capra hircus) in three agro-ecological zones in the D.R Congo." Journal of Applied animal research. 2021;(Submitted).
Kenfack D, Arellano G, Kibet S, Kimuyu D, Musili D. "Understanding the monodominance of Acacia drepanolobium in East African savannas: insights from demographic data." Trees. 2021;35:1439-1450.
Muita R, Dougill A, Mutemi J, Aura S, Graham R, Awolala D, Nkiaka E, Hirons L, Opijah F. "Understanding the Role of User Needs and Perceptions Related to Sub-Seasonal and Seasonal Forecasts on Farmers’ Decisions in Kenya: A Systematic Review." Frontiers in Climate. 2021;3(1).
P C, G L, Sangula A, J O, DP K, B H. "Understanding what shapes disease control: An historical analysis of foot-and-mouth disease in Kenya." Prev Vet Med. 2021;(PMID: 33735817).
K SARNA, I MURITHI, F OPONDO, S G. "A unique presentation of bilateral Kissing Molars and three-rooted Maxillary Premolars: A case report and review of literature." Clinical Case Reports Journal. 2021;2021; 9:e04679(2021; 9:e04679):2021; 9:e04679.
Eric A, Elizaphan M, Rhoda G, Robert O, John K. "University Students' Perception on the Usefulness of Learning Management System Features in Promoting Self-Regulated Learning in Online Learning." International Journal of Education and Development using Information and Communication Technology. 2021;v17 (n1 ):45-64 . Abstract

Online learning has increasingly been adopted by most institutions of higher learning to facilitate teaching and learning as a continuum to the traditional face-to-face approach. Most of these institutions utilize Learning Management Systems which contain features that are intended to make students active participants not only by delivering learning resources to learners but also providing the environment for effective interaction in the learning process. Our examination of the literature reveals that there is limited empirical evidence that addresses how these features are being utilized by students in promoting Self-Regulated learning. To realize the usefulness of the features of Learning Management Systems in promoting Self-Regulated Learning, a structured survey was carried out among University students in Kenya. The findings reveal that the features of Learning Management Systems are underutilized by students. The qualitative results of the study illustrate that students face several challenges that obstruct them from being actively involved in online learning. There is lack of individualized feedback on students' learning habits, lack of instructor guidance, lack of interaction with course instructors, lack of peer interaction and lack of automation tools. This study provides insights for educators and researchers on the areas of focus that can be prioritized towards offering support to students in improving their Self-Regulated learning in online learning environments.

Makhanu MN, Alsadig MAM, Nyongesa BS, Weboko FI, Alcorta PP. "Unsuccessful Closed Surgical Exposure of an Impacted Maxillary Canine Managed by Open Surgical Exposure." Journal of the Kenya Dental Association. 2021;12(2):946-953.2021_kda_journal_volume_12_no_2.pdf
Gashururu RS, Githigia SM, Habimana RS, Maingi N, Gecchi G, Paone M, Zhao W, Masiga DK, Gashumba J. "An update on the Distribution of Glossina (tsetse flies) at the Wild;life-Human-Livestock interface at Akagera National Park, Rwanda." Parasites & Vectors. 2021;2021(PARAV- D- 21 0016).
Gashururu RS, Githigia SM, Gasane MN, Habiman R, Maingi N, Cecchi G, Pacone M, Zhao W, Masiga DK, Gashumba J. "An update on the distribution of Glossina(tsetse flies) at the wildlife-human-livestock interface of Akagera National Park, Rwanda." Parasites and Vectors. 2021;14(1):294.
TO A, O G, TOM A. "Uptake and outcomes of early infant male circumcision services in four counties in Western Kenya." African Health Sciences. 2021;21(1). AbstractWebsite

Background: Early Infant Male Circumcision (EIMC) is part of sustainable HIV prevention strategies in Kenya. The goals of the national EIMC program are to circumcise at least 40% of all newborn male infants delivered at hospitals offering the service and keep the rate of moderate and adverse events below 2%.

Objectives: To determine the proportion of early male infants (age less than 60 days) born at hospitals in four counties of western Kenya who got circumcised and document the prevalence of adverse events (AEs) among those circumcised.

Methods: A retrospective descriptive study involving all records for EIMC from 1st March 2014 through 31st March 2018 in four counties of western Kenya. Data analysis was done using EXEL to document proportion of facilities offering EIMC and compare EIMC uptake and outcomes in the four counties against the national goals for the program.

Results: A mean of 4.3% of total health facilities offer EIMC in the region. Siaya had the highest proportion of facilities offering EIMC while Migori had the lowest proportion. Uptake of EIMC was low at 17.4% for all male infants born, far less than the anticipated target of 40%. Average adverse event rates were 0.3%.

Conclusion: EIMC uptake remains low in this region of Kenya due to small number of health facilities offering the service. The proportion of circumcised early male infants born at the target health facilities is below the national target of 40% even though the rate of adverse events among those circumcised is acceptable.

Okeyo MP;, Rambo CM, NYONJE RO. "Use of Civil Litigation Process and Alternative Dispute Resolution mechanisms in Resolution of Contractual Disputes in Road Construction Projects in Kenya. ." International Journal of Engineering Science and Computing. 2021:596-612.
Simiyu MT, F Nyongesa, Aduda B, Birech Z, Mwebaze G, A., Sunnerhagen, Maitha G. "Use of Organic Binders to Enhance Defluoridation and Pathogen Removal Efficiency of Diatomaceous Earth-Based Ceramic Filters. ." Africa Journal of Physical Sciences . 2021;6:2313-3317.
"Valuation for Compensation Practices in Kenya: An Evaluation." Property Management. 2021;39(4):479-492.
Mwangi IK, Muketha SM. "Value Chain Framework for Ascertaining Planning Sectors and Competencies." Africa Habitat Review. 2021;15 (No. 1):2157-2173.
Mwangi IK, Muketha SM. "Value Chain Framework for ascertaining planning sectors: Africa HABITAT Review." Africa Habitat Review Journal. 2021;15(1):1-17. Abstract

Studies that address the deeply rooted uncertainty in identifying planning sectors and profiling required
competencies in preparing plans, especially in the urbanization sector (US), are scanty. This is due in part to
the lack of concerns for the effectiveness of the plans and competencies of the planners. The value chain (VC)
model was appraised to provide a framework for ascertaining relevance and accuracy of planning sectors and
concurrence with required competencies. Data on planning sectors and required competencies was collected at
five stakeholder consultative fora, 23 key informant (KI) institutions and seven working sessions. The framework
of the model facilitated analyzing the data through disaggregation. The urbanization sector (US), which is the
main primary activity (MPA) in the model, was assigned the role of the main planning sector (MPS) and expressed
as “MPS:US” in the urbanization value chain. MPS:US was disaggregated into four planning sectors in the value
chain, and each sector ascertained through disaggregation from level 1 to 3. It was found that the structure of
the model and its function provide appropriate framework for ascertaining relevance and accuracy of planning
sectors, and also concur with competencies that are similarly ascertained. Second, the two expressions for
disaggregation to ascertain planning sectors and required competencies each respectively combine into one
expression for simultaneous disaggregation. The paper concludes that the structure and function of VC model and
the expression for simultaneous disaggregation provides a framework of methodology for systematic ascertaining
of planning sectors and competencies, and allows variation of number of planning sectors any one value chain
represents. The paper recommends adopting the structure and functions of the VC model, and the expression for
simultaneous disaggregation as a framework for ascertaining planning sectors and competencies, starting with
the conduct of planning studios in the training of planners

Omwando KJ, Moturi CA. "Virtual banking adoption by SACCOs in the face of Covid-19 pandemic - a case study of Nairobi County, Kenya." The Strategic Journal of Business & Change Management. 2021;8(4):1-13. AbstractWebsite

The outbreak of COVID-19 pandemic saw overwhelming effects on consumers’ buying behavior globally, with economic productive activities shifting from offline to online. As a result, many business leaders were left with no option other than adopt the use of Information Technology to ensure business operations continuity, enhance efficiency as well as sustainability. In Kenya, unlike most commercial banks, Saccos have largely been left behind in embracing new banking technologies such as agency banking, internet banking, or mobile banking. Therefore, the use of paperwork, physical and in-person meetings to conduct business has remained widespread amongst many Saccos in the country, before COVID 19 that forced Saccos to shift to virtual banking as an effective alternative, toward addressing their customers’ needs while ensuring safety. This study examined the adoption of Mobile Banking models and Virtual Banking technologies and innovations to establish the factors influencing their adoption by potential users. The study also explored the adoption of Virtual banking amongst Saccos in Kenya, investigating the electronic delivery channels used, and their suitability. The study objectives were accomplished through an exploratory and descriptive approach based on ways of improving access to credit through relationships between Sacco and their clientele in Kenya through the adoption of Virtual Banking. The data used was collected from SACCO-based respondents who included Sacco ICT officers, managers, and members using questionnaires. Data analysis was done using the Statistical Package for Social Sciences (SPSS). The study established that there was wide adoption of various Mobile Banking models and technologies to realize virtual banking adoption by Saccos. Most Saccos were found to favor the Joint venture model and the non-bank-driven model. The extent of adoption of virtual banking amongst bank clientele was found to be influenced by social, economic, and technological factors. The study recommended that Saccos should consider sharing information and technologies across various networks as this is likely to lead to much more gains in adopting technologies that would improve their sustainability as while fostering better customer experience.

Rebecca Lynne C, Rikesh Panchal, Emmanuel, Michael G, Moses N, Nyangaya J, O M, J M, P K, A A, A R, M P, V J. "Volatile Organic Compound Composition of Urban Air in Nairobi Kenya and Lagos Nigeria.". 2021.
Onyango AE, Okoth MW, Kunyanga CN. "Water Disinfection Techniques: A review." Journal of Engineering in Agriculture and the Environment. 2021;7(1):54-78.
Missiame A, Nyikal RA, Irungu P. "What is the impact of rural bank credit access on the technical efficiency of smallholder cassava farmers in Ghana? An endogenous switching regression analysis." Heliyon . 2021;7(5). AbstractWebsite

Abstract
This paper assesses the impact of access to credit from rural and community banks (RCBs) on the technical efficiency of smallholder cassava farmers in Ghana. The study employed the stochastic frontier, and endogenous switching regression models to estimate the technical efficiency, and the impact of RCB credit access, respectively, on a randomly selected sample of 300 smallholder cassava farmers in the Fanteakwa District of Ghana. Results suggest that cassava farmers in the District are 70.5 percent technically efficient implying that cassava yield levels could be increased further by 29.5 percent without changing the current levels of inputs. The results further reveal that the gender of the household head, access to extension services, membership in farmer organizations, and proximity to the bank are the major factors that positively influence farmers to access credit from RCBs. On average, farmers who accessed credit from RCBs have significantly higher technical efficiencies than farmers who did not access, suggesting that access to credit from RCBs positively impacts the technical efficiency of smallholder cassava farmers.

Keywords: Credit access; Endogenous switching regression; Rural and community banks; Stochastic frontier model; Technical efficiency.

MK N, J D, M N, et al. "Why is There Low Morbidity and Mortality of COVID-19 in Africa." Am J Trop Med Hyg. 2021;10.4269/ajtmh.20-0474.
Moturi CA, Okemwa VO, Orwa DO. "Why the Insurance Sector Needs Big Data Analytics Capability for Digital Transformation." International Journal of Big Data Management. 2021. Abstract

In order for organisations to generate competitive advantages from big data investments, they need to acquire a unique blend of technology, human skills, financial resources and a data-driven culture. Organisations need to measure their big data analytics capability in order to yield competitive performance. This study sought to examine the relationship between a firms big data analytics capability (BDAC) and competitive performance through mediating role of dynamic and operational capabilities. To test the proposed research model, we used survey data from 110 employees across 54 insurance companies in Kenya. Using partial least squares structural equation modelling, the results provide evidence that BDAC leads to superior firm performance. Various resources that form big data analytics (BDA) capability have been identified and an instrument to measure BDAC proposed. The findings from this study provides a roadmap strategy for implementing BDA projects.

Nyawade SO, Gitari HI, Karanja NN, Gachene CKK, Schulte-Geldermann E, Parker ML. "Yield and evapotranspiration characteristics of potato-legume intercropping simulated using a dual coefficient approach in a tropical highland." Field Crops Research . 2021;274 :108327.
Osaaji MG, Odari M, Muchiri J. "“From Alterity to Agency: Pathways of Subversion and Resistance in Ngugi Wa Thiong’o’s Personal Essays”. ." The Journal of Language, Technology & Entrepreneurship in Africa (JOLTE). . 2021;11 no. 2(2021):1-16.
"“Reflections on the Detective Novel as an Allegory of Contemporary Kenya.”." Journal of Language, Technology& Entrepreneurship in Africa. 2021;12(1):17-35.
Alade K, Windapo A, Wachira-Towey IN. "• Rethinking leadership in the fourth industrial revolution :lessons for construction business organizations." Journal Of Leadership Studies. 2021;Volume 15(1).
Maina SW, Dimba E, Oyugi JO, Mwangi JW. "Antimicrobial efficacy of Hibiscus Fuscus garcke aqueous and ethanol extracts on tooth root canal microorganisms." East African Medical Journal. 2021;98. Abstract
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Mbindyo CM, Gitao GC, Plummer PJ, Kulohoma BW, Mulei CM, Bett R. "Antimicrobial Resistance Profiles and Genes of Staphylococci Isolated from Mastitic Cow’s Milk in Kenya." Antibiotics. 2021;10. AbstractWebsite

Increasing numbers of potentially zoonotic multidrug-resistant (MDR) staphylococci strains, associated with mastitis in dairy cows, are being reported globally and threaten disease management in both animal and human health. However, the prevalence and antimicrobial resistance profiles of these strains, including methicillin-resistant staphylococci (MRS), in Kenya is not well known. This study investigated the drug resistance profiles and genes carried by 183 staphylococci isolates from 142 dairy cows representing 93 farms recovered from mastitis milk of dairy cows in two selected counties in Kenya. Staphylococci isolates were characterized by phenotypic characteristics, polymerase chain reaction (PCR) amplification, partial sequencing and susceptibility testing for 10 antimicrobial drugs. Detection of seven resistance genes to the various antimicrobial drugs was conducted using PCR. Overall, phenotypic resistance among the staphylococci ranged between 66.1% for ampicillin and 3.5% for fluoroquinolones. Twenty-five percent (25%) of S. aureus and 10.8% of the coagulase-negative staphylococci (CoNS) isolates, were methicillin-resistant staphylococci phenotypically (defined as resistance to cefoxitin disk diffusion). The most common genes found in S. aureus and CoNS were blaZ and strB at 44.3% and 26%, and 78% and 50%, respectively. MDR was observed in 29.67% and 16.3% of S. aureus and CoNS, respectively. These findings pose a threat to bovine mastitis treatment and management as well as human health.

Nyumba TO, Sang CC, Olago DO, Marchant R, Waruingi L, Githiora Y, Kago F, Mwangi M, Owira G, Barasa R, others. "Assessing the ecological impacts of transportation infrastructure development: A reconnaissance study of the Standard Gauge Railway in Kenya." PLoS one. 2021;16:e0246248. Abstract
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Nelson K, Muge E, Wamalwa B. "Cellulolytic Bacillus species isolated from the gut of the desert locust Schistocerca gregaria." Scientific African. 2021;11:e00665. Abstract
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Odera S, Julius Oyugi, Kirui A, Aballa A, Noel Onyango, others. "Challenges Faced by House-Hold Contacts of Pulmonary Tuberculosis Patients in an Urban Setting in Nairobi, Kenya." Journal of Infectious Diseases & Case Reports. SRC/JIDSCR-165. DOI: doi. org/10.47363/JIDSCR/2021 (2). 2021;146:2-4. Abstract
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Ogonda LA, Saumonneau A, Dion M, Muge EK, Wamalwa BM, Mulaa FJ, Tellier C. "Characterization and engineering of two new GH9 and GH48 cellulases from a Bacillus pumilus isolated from Lake Bogoria." Biotechnology Letters. 2021;43:691-700. Abstract
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Feldmann S, Gangishetty MK, Bravić I, Neumann T, Peng B, Winkler T, Friend RH, Monserrat B, Congreve DN, Deschler F. "Charge Carrier Localization in Doped Perovskite Nanocrystals Enhances Radiative Recombination." Journal of the American Chemical Society. 2021;143:8647-8653. Abstract
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Bahati V, Bulimo W, Gachara G. "Comparative Seroprevalence of Hepatitis B Virus among in-Mates and Low Risk Voluntary Blood Donors in Garissa, Kenya." Journal of Biosciences and Medicines. 2021;09:85-95. AbstractWebsite
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Wang N, Zhang H, Liu S, Peng B, Deng Z. "Composite polydopamine-based TiO2 coated mesh with restorable superhydrophobic surfaces for wastewater treatment." Journal of Materials Science. 2021;56:7321-7333. Abstract
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Mujuka E, Mburu J, Ogutu A, Ambuko J, Magambo G. "Consumer awareness and willingness to pay for naturally preserved solar-dried mangoes: Evidence from Nairobi, Kenya." Journal of Agriculture and Food Research. 2021;5:100188. Abstract
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Peng B, Flager F, Barg S, Fischer M. "Cost-based optimization of steel frame member sizing and connection type using dimension increasing search." Optimization and Engineering. 2021:1-34. Abstract
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Biermann O, Mwoka M, Ettman CK, Abdalla SM, Shawky S, Ambuko J, Pearson M, Zeinali Z, Galea S, Mberu B, others. "Data, Social Determinants, and Better Decision-making for Health: the 3-D Commission." Journal of Urban Health. 2021;98:4-14. Abstract
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Peng B, Murakami S, Monserrat B, Zhang T. "Degenerate topological line surface phonons in quasi-1D double helix crystal SnIP." npj Computational Materials. 2021;7:1-8. Abstract
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Abdille AA, Kimani J, Wamunyokoli F, Bulimo W, Gavamukulya Y, Maina EN. "Dermaseptin B2’s Anti-Proliferative Activity and down Regulation of Anti-Proliferative, Angiogenic and Metastatic Genes in Rhabdomyosarcoma RD Cells in Vitro." Advances in Bioscience and Biotechnology. 2021;12:337-359. Abstract
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Murage MW, Muge EK, Mbatia BN, Mwaniki MW. "Development and Sensory Evaluation of Omega-3-Rich Nile Perch Fish Oil-Fortified Yogurt." International Journal of Food Science. 2021;2021. Abstract
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Peng B, Li Q, Feng X-Q, Gao H. "Effect of shear stress on adhesive contact with a generalized Maugis-Dugdale cohesive zone model." Journal of the Mechanics and Physics of Solids. 2021;148:104275. Abstract
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Amwoka EM, Ambuko JL, Jesang HM, Owino WO. "Effectiveness of Selected Cold Chain Management Practices to Extend Shelf Life of Mango Fruit." Advances in Agriculture. 2021;2021. Abstract
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Bitange NM, Chemining’wa GN, Ambuko JL, WO O, Bitange NM. "EFFECTS OF MODE AND TIMING OF CALCIUM CHLORIDE APPLICATION ON TISSUE CALCIUM CONCENTRATION AND ACCEPTABILITY OF MANGO FRUITS." African Journal of Food, Agriculture, Nutrition and Development. 2021;21:18552-18574. Abstract
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Sila JM, Guto PM, Michira IN, Mwaura FB, Muge EK. "Electrochemical Determination of Penicillin G in Cow Milk and pharmaceuticals in SDS/Acetate buffer." International Journal of Electrochemical Science. 2021;16. Abstract
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Feldmann S, Gangishetty M, Bravić I, Neumann T, Peng B, Winkler T, Friend RH, Monserrat B, Congreve DN, Deschler F. "Exciton localization in doped perovskite nanocrystals enhances intrinsic radiative recombination.". In: Physical Chemistry of Semiconductor Materials and Interfaces XX. Vol. 11799. International Society for Optics and Photonics; 2021:. Abstract
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Liu Z, Deng L, Peng B. "Ferromagnetic and ferroelectric two-dimensional materials for memory application." Nano Research. 2021;14:1802-1813. Abstract
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Peng B, Iwnicki S, Shackleton P, Song Y. "General conditions for railway wheel polygonal wear to evolve." Vehicle System Dynamics. 2021;59:568-587. Abstract
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Pretorius B, Ambuko J, Papargyropoulou E, Schönfeldt HC. "Guiding Nutritious Food Choices and Diets along Food Systems." Sustainability. 2021;13:9501. Abstract
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Awuor OL, Edward MK. "Harnessing the Potential of Underutilized Aquatic Bioresource for Food and Nutritional Security in Kenya.". In: Food Security and Safety. Springer; 2021:. Abstract
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Wu Y, Hua J, Zhou Z, Zhang J, Liu S, Peng B, Fang Y, Ning X, Nie Z, Li F, others. "High-throughput injection–acceleration of electron bunches from a linear accelerator to a laser wakefield accelerator." Nature Physics. 2021;17:801-806. Abstract
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Mwoka M, Biermann O, Ettman CK, Abdalla SM, Ambuko J, Pearson M, Rashid SF, Zeinali Z, Galea S, Valladares LM, others. "Housing as a Social Determinant of Health: Evidence from Singapore, the UK, and Kenya: the 3-D Commission." Journal of Urban Health. 2021;98:15-30. Abstract
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Ongong’a E, Ongaro J, Silvestrov S. "Induced Ternary Hom-Nambu-Lie algebras." Algebraic structures and applications, Springer Nature. 2021. Abstract
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Wang C, Jiang X, Sweeney WR, Hsu CW, Liu Y, Zhao G, Peng B, Zhang M, Jiang L, Stone DA, others. "Induced transparency by interference or polarization." Proceedings of the National Academy of Sciences. 2021;118. Abstract
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Njuguna J, Ambuko J, Hutchinson M, Owino W. "The Influence of Agro-Ecological Factors on Fruit Mineral Content and Occurrence of Jelly Seed Disorder in ‘Tommy Atkins’ and ‘Van Dyke’Mangoes in Kenya." Cutting-edge Research in Agricultural Sciences Vol. 8. 2021:135-145. Abstract
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Njuguna J, Ambuko J, Hutchinson M, Owino W. "The Influence of Dolomitic Lime and Muriate of Potash Application on Fruit Mineral Content and Jelly Seed Disorder Incidence of Mango (Mangifera indica L.)." Cutting-edge Research in Agricultural Sciences Vol. 8. 2021:125-134. Abstract
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Mujuka E, Ambuko J, Mburu J, Ogutu A. "Investment in Postharvest Technologies: Key Strategy for Postharvest Loss Reduction." Kenya Policy Briefs. 2021;2:47-48. Abstract
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Mujuka E, Mburu J, Ogutu A, Ambuko J, Magambo G. "Journal of Agriculture and Food Research." Journal of Agriculture and Food Research. 2021;5:100188. Abstract
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Lin K-Q, Holler J, Bauer JM, Parzefall P, Scheuck M, Peng B, Korn T, Bange S, Lupton JM, Schüller C. "Large-Scale Mapping of Moiré Superlattices by Hyperspectral Raman Imaging." Advanced Materials. 2021;33:2008333. Abstract
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Lin K-Q, Holler J, Bauer JM, Parzefall P, Scheuck M, Peng B, Korn T, Bange S, Lupton JM, Schüller C. "Large-Scale Mapping of Moiré Superlattices by Hyperspectral Raman Imaging (Adv. Mater. 34/2021)." Advanced Materials. 2021;33:2170267. Abstract
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Ozdemir SK, Yang L, Peng B. Loss engineering to improve system functionality and output. Google Patents; 2021. Abstract
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Wan Y, Cheng X, Li Y, Wang Y, Du Y, Zhao Y, Peng B, Dai L, Kan E. "Manipulating the Raman scattering rotation via magnetic field in an MoS 2 monolayer." RSC Advances. 2021;11:4035-4041. Abstract
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Mwangi HN’u, Muge EK, Wagacha PW, Ndakala A, Mulaa FJ. "Methods for Identifying Microbial Natural Product Compounds that Target Kinetoplastid RNA Structural Motifs by Homology and De Novo Modeled 18S rRNA." International Journal of Molecular Sciences. 2021;22:4493. Abstract
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Parzefall P, Holler J, Scheuck M, Beer A, Lin K-Q, Peng B, Monserrat B, Nagler P, Kempf M, Korn T, others. "Moiré phonons in twisted MoSe2–WSe2 heterobilayers and their correlation with interlayer excitons." 2D Materials. 2021;8:035030. Abstract
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Nyabongo L, Odongo DO, Milton G, Machuka E, Vudriko P, Pelle R, Kanduma EG. "Molecular survey of cattle ticks in Burundi: First report on the presence of the invasive Rhipicephalus microplus tick." Plos one. 2021;16:e0261218. Abstract
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Meng T, Zhang J, Wang H, Fu N, Wang M, Li W, Shi R, Peng B, Li P, Deng Z. "Multifunctional CuO-Coated Mesh for Wastewater Treatment: Effective Oil/Water Separation, Organic Contaminants Photodegradation, and Bacterial Photodynamic Inactivation." Advanced Materials Interfaces. 2021;8:2101179. Abstract
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Lin K-Q, Ong CS, Bange S, Faria Junior PE, Peng B, Ziegler JD, Zipfel J, Bäuml C, Paradiso N, Watanabe K, others. "Narrow-band high-lying excitons with negative-mass electrons in monolayer WSe2." Nature communications. 2021;12:1-8. Abstract
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Peng B, Bouhon A, Monserrat B, Slager R-J. "Non-abelian braiding of phonons in layered silicates." arXiv preprint arXiv:2105.08733. 2021. Abstract
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Chen W, Wang C, Peng B, Yang L. "Non-hermitian physics and exceptional points in high-quality optical microresonators.". In: Ultra-High-Q Optical Microcavities. World Scientific; 2021:. Abstract
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Lee A, Peng B, Du K, Kung H-H, Monserrat B, Cheong S-W, Blumberg G. "Observation a Chiral Electronic Continuum in the Giant Rashba Spin-Split System, BiTeI." Bulletin of the American Physical Society. 2021;66. Abstract
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Niu Y-T, Lu X, Shi Z-T, Peng B. "Observation of magnetoresistance in CrI3/graphene van derWaals heterostructures." Chinese Physics B. 2021;30:117506. Abstract
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Zhang J, Peng B, Kim S, Monifi F, Jiang X, Li Y, Yu P, Liu L, Liu Y-xi, Alù A, others. "Optomechanical dissipative solitons." Nature. 2021;600:75-80. Abstract
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Mutwiri KD, Dimba E, Nzioka BM. "Orofacial Infections in Kenya: A Retrospective Study." Annals of African Surgery. 2021;18:45-51. Abstract
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Li Z, Peng B, Lin M-L, Leng Y-C, Zhang B, Pang C, Tan P-H, Monserrat B, Chen F. "Phonon-assisted electronic states modulation of few-layer PdSe2 at terahertz frequencies." npj 2D Materials and Applications. 2021;5:1-8. Abstract
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Bor H, Maina EN, Nyambega B, Patel KT, Ochieng’Olwal C, Nalyanya W, Gavamukulya Y. "The Potential of Differentiation-Related Gene-1 (DRG1) as a Biomarker for Metastasis of Estrogen Receptor-Positive Breast Cancer.". 2021. Abstract
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Nyabongo L, Kanduma EG, Bishop RP, Machuka E, Njeri A, Bimenyimana AV, Nkundwanayo C, Odongo DO, Pelle R. "Prevalence of tick-transmitted pathogens in cattle reveals that Theileria parva, Babesia bigemina and Anaplasma marginale are endemic in Burundi." Parasites & Vectors. 2021;14:1-15. Abstract
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Kilavi PK, Kaniu MI, Patel JP, Usman IT. "Quality and human health risk assessment of uranium and other heavy metals in drinking water from Kwale County, Kenya." Environmental Monitoring and Assessment. 2021;193:1-20. Abstract
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Githaiga JI, Angeyo HK, Kaduki KA, Bulimo WD, Ojuka DK. "Quantitative Raman Spectroscopy of Breast Cancer Malignancy Utilizing Higher-order Principal Components: a Preliminary Study." Scientific African. 2021:e01035. Abstract
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Githaka NW, Bishop RP, Šlapeta J, Emery D, Nguu EK, Kanduma EG. "Quantitative Real Time PCR (qPCR) Screening Confirms Babesia Bovis Infections in Cattle in Kenya.". 2021. Abstract
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Wang B, Ma Y, Wang N, Wang J, Luo J, Peng B, Deng Z. "Reproducible and fast preparation of superhydrophobic surfaces via an ultrasound-accelerated one-pot approach for oil collection." Separation and Purification Technology. 2021;258:118036. Abstract
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Ochieno DMW, Karoney EM, Muge EK, Nyaboga EN, Baraza DL, Shibairo SI, Naluyange V. "Rhizobium-linked nutritional and phytochemical changes under multitrophic functional contexts in sustainable food systems." Frontiers in Sustainable Food Systems. 2021;4:283. Abstract
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Peng B, Wu L, Wang Y, Wu Q. "Solving maximum quasi-clique problem by a hybrid artificial bee colony approach." Information Sciences. 2021;578:214-235. Abstract
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Peng B, Liu Y, Aarts DGAL, Dullens RPA. "Stabilisation of hollow colloidal TiO 2 particles by partial coating with evenly distributed lobes." Soft Matter. 2021;17:1480-1486. Abstract
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Zhao X, Qiao J, Zhou X, Chen H, Tan JY, Yu H, Chan SM, Li J, Zhang H, Zhou J, others. "Strong Moiré Excitons in High-Angle Twisted Transition Metal Dichalcogenide Homobilayers with Robust Commensuration." Nano Letters. 2021. Abstract
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Getange D, Bargul JL, Kanduma E, Collins M, Bodha B, Denge D, Chiuya T, Githaka N, Younan M, Fèvre EM, others. "Ticks and tick-borne pathogens associated with dromedary camels (Camelus dromedarius) in northern Kenya." Microorganisms. 2021;9:1414. Abstract
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Yumbya P, Ambuko J, Hutchinson M, Owino W, Juma J, Machuka E, Mutuku MJ. "Transcriptome analysis to elucidate hexanal's mode of action in preserving the post-harvest shelf life and quality of banana fruits (Musa acuminata)." Journal of Agriculture and Food Research. 2021;3:100114. Abstract
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Jekayinoluwa T, Tripathi JN, Dugdale B, Obiero G, Muge E, Dale J, Tripathi L. "Transgenic Expression of dsRNA Targeting the Pentalonia nigronervosa acetylcholinesterase Gene in Banana and Plantain Reduces Aphid Populations." Plants. 2021;10:613. Abstract
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Lin K-Q, Faria Junior PE, Bauer JM, Peng B, Monserrat B, Gmitra M, Fabian J, Bange S, Lupton JM. "Twist-angle engineering of excitonic quantum interference and optical nonlinearities in stacked 2D semiconductors." Nature communications. 2021;12:1-7. Abstract
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Liu S, Gao Y, Ma Y, Meng T, Yi C, Xu Z, Peng B, Deng Z. "Ultrasonication-Assisted Waterborne Synthesis of Self-Restorable Superhydrophobic Surfaces with Prolonged Lifespan in Oil Collection." Advanced Materials Interfaces. 2021;8:2001886. Abstract
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2020
Muthomi M, Mumenya S, Mwero J. "Effect of Carbon Fibre Reinforced Polymer Strengthening on the Axial Capacity and Ductility of Non-slender Square Concrete Columns.". In: Architecture & Engineering Conference. Nairobi; 2020.
Faris AA, Akuon PO. "Q-Function: Trapezoidal Rule Approximation and Application.". In: AEC 2020. Nairobi, University of Nairobi; 2020.
Muthomi M, Mumenya S, Mwero J, Mwea S, Kyalo G. "Academia & Practice: A Case Study of Retrofitting Reinforced Concrete Columns with Carbon Fibre Reinforced Polymer Wrap.". In: Institution of Engineers Conference. Mombasa, Kenya; 2020.
Ogutu K. "Media owes everyone accurate reporting of court decisions." The Standard, May 4, 2020.
Oredo J. "Personal Cloud Computing Adoption: Integrating IT Mindfulness with TAM.". In: IST-Africa 2020. Uganda; 2020.
Ndolo IJ. "Cyclones: Causes, Risks And Where They Occur." Daily Nation, July 4, 2020.
Simiyu MT, Nyongesa FW, Aduda BO, Birech Z, Mwebaze G. "Application of An Organic Plant-Derived Binder in the Fabrication of Diatomaceous Earth Waste- Based Membranes for Water Purification Systems.". In: Materials Research Society Advances. Cambridge; 2020. Abstract

This work reports on the use of diatomaceous earth (DE) waste and organic binder derived from Corchorus olitorius, locally known as “Mrenda” in the design of an efficient water filtration membranes. Charcoal powder was incorporated to enhance the porosity of the membrane. The firing was done at temperatures varying from 700.0 °C to 1150.0 °C. The DE waste samples comprised 79.0% silica (by mass) and 11.0% total flux content compared to porter's clay that had 50.0% silica, 28.8% AL2O3 and 7.0% total flux content. On the other hand, the “Mrenda” binder contained 6.5% total organic matter. The use of the plant- derived binder enhanced the mechanical strength of the greenware by 52.7% and the fired membranes by 152.2%. The fabricated DE waste-based membranes were 15.0% stronger than clay-based ceramic membranes prepared under similar conditions. A sintering temperature of 900.0 °C was optimal in producing porous membranes for filtering of 4.1 liters of water per hour. The pore diameter of the membranes fabricated from DE waste only ranged between 2.0 nm – 99.0 nm. On micro-organisms filtering efficacy, the DE waste-based membranes and those fabricated with 5.0% charcoal were 99.9% and 88.4% effective in the removal of E. coli and Rotavirus respectively.

MWANGI IK. "Historical Trilogy of the Kenya Institute of Planners.". In: Presentation at KIP Induction Training Workshop. Organized by Kenya Institute of Planners Held at Professional Centre, Nairobi; 2020.
Nyatuka DM, Ralwala AO. "Effectiveness of Health and Safety Policy and Audit on Kenya Power Last Mile Connectivity Project performance in Nakuru County, Kenya.". In: Scarcity and Creativity: Addressing Critical Spatial Needs. Sub-theme: Learning for Resource Efficiency and Resourcefulness. School of Architecture and Building Sciences (SABS) online conference, JKUAT; 2020.
Nyatuka DM, Ralwala AO. "The moderating influence of employees attitude on the relationship between Occupation Health and Safety Training and Kenya Power Last Mile Connectivity Project performance in Nakuru County, Kenya.". In: Scarcity and Creativity: Addressing Critical Spatial Needs. Sub-theme: Transportation Integration: Ports, Railways, Roads; Other Types of Mega-projects and their Impacts Contiguous Societies and their Resources. School of Architecture and Building Sciences (SABS) online conference, Jomo Kenyatta University of Agriculture & Technology (JKUAT); 2020.
Nyatuka DM, Ralwala AO. "Perceived effectiveness of Occupational Health and Safety Ergonomics on Kenya Power Last Mile Connectivity Project performance in Nakuru County, Kenya. .". In: Scarcity and Creativity: Addressing Critical Spatial Needs. Sub-theme: Infrastructure and Property Development on Sites and in Contexts of Scarcity. School of Architecture and Building Sciences (SABS) online conference, JKUAT; 2020.
"Diplopia.". In: Optometrist Webinar series, Kenya. Virtual Meeting; 2020.diplopia-__dr._njambi-_06082020.pdf
Oredo J. "Personal Cloud Computing Adoption: Integrating IT Mindfulness Trust and Risk.". In:  Americas Conference of Information Systems . USA; 2020.

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