EGERTON              UNIVERSITY
Directorate of Research and Extension
LIST OF PUBLICATIONS FY 2024/2025 QUARTER ONE
S/NO	Author(s)	Title	Publication Description	Date of Publication	Name of Publisher/Journal	Link to Publication	Correspondent Email	Author
1	Philip Kimutai Arap Kirui, David Kuria Wamukuru, Flora Fedha	Location As A Correlate Of Principals’ Perceptions On Cost Efficiency In Public, Secondary Schools In Bomet County, Kenya	Journal Article	0/0/2024	European Journal of Education Studies	http://dx.doi.org/10.46827/ejes.v11i7.5432	This email address is being protected from spambots. You need JavaScript enabled to view it.	Egerton University Student
2	Philip Kirui, David Wamukuru, Flora Fedha	Relationship Between School Accommodation Status And Principals’ Perceptions On Cost Efficiency Of Public Secondary Schools In Bomet County, Kenya	Journal Article	05-Jul-24	Journal of Education and Practices	http://journals.essrak.org/index.php/education	This email address is being protected from spambots. You need JavaScript enabled to view it.	Egerton University Student
3	Francis Kipkoech Chirchir, Fredrick M. Kalui, Justus Tari	Capital Structure and Financial Performance of Non-Financial Firms Listed at Nairobi Securities Exchange, Kenya	Journal Article	July, 2024	International Journal of Research and Innovation in Social Science	https://dx.doi.org/10.47772/IJRISS.2024.807046	None	Student
4	Joseph M. Karimi1Jane G. NyaangaJane G. Nyaanga1Richard M.S. MulwaRichard M.S. Mulwa1Joshua O. OgendoJoshua O. Ogendo1Philip K. BettPhilip K. Bett2Erick K. Cheruiyot Erick K. Cheruiyot1Sarah E.J. Arnold,Sarah E.J. Arnold3,4Steven R. BelmainSteven R. Belmain5Philip C. Stevenson,*Philip C. Stevenson5,6*	Lablab (Lablab purpureus L.) genotypes and field margin vegetation influence bean aphids and their natural enemies	Journal Article	July, 2024	Frontiers in Insect Science	https://doi.org/10.3389/finsc.2024.1328235	This email address is being protected from spambots. You need JavaScript enabled to view it.	Student
5	Njie, M., Bebe, B. O., & Orenge, C. O. (2024)	.Antimicrobials Use by Smallholder Dairy Farmers in Peri-Urban Area of Nakuru Kenya: Knowledge, Attitudes and Practices.	Journal Article	July, 2024	Animal and Veterinary Sciences	https://doi.org/10.11648/j.avs.20241204.11	None	Student
6	Sonko, L., Bebe, B. O., & Ondiek, J. O.	Association of Cow Drying off Practices with Milk Yield and Udder Health Outcomes in Peri-Urban Smallholder Dairy Herds	Journal Article	August, 2024	Animal and Veterinary Sciences (	https://doi.org/10.11648/j.avs.20241205.11	None	Student
7	E. Kwizera, N. W. Mungai, A. M. Opiyo, N. A. Niyokuri	Effect of biochar and inorganic fertilizer on the quality of beetroot (Beta vulgaris L.) in Kenya	Journal Article	16/07/2024	International Journal of Horticultural Science	https://doi.org/10.31421/ijhs/30/2024/13744	None	Student
8	Kemunto, H. W., Nkurumwa, A. O., & Kitonga, L. M. (2024).	Does the farm size influence the commercial production of African indigenous vegetables? a study on smallholder farmers in bobasi sub-county, Kisii County, Kenya.	Journal Article	August, 2024	International Journal of Agricultural Extension, 12(2),	https://journals.esciencepress.net/index.php/IJAE/article/view/5125	None	Student
9	Engurat, Ikonya Judith and Mutai, Benjamin K. and Owuor, George (	Determinants of Women in Post- Production Agri-value Chain Activities on Group Participation in Njoro and Molo Sub-counties, Nakuru County, Kenya	Journal Article	July, 2024	Asian Journal of Agricultural Extension, Economics & Sociology	https://doi.org/10.9734/ajaees/2024/v42i32389	This email address is being protected from spambots. You need JavaScript enabled to view it.	Student
10	Ngonidzashe Chirinda1*Bisan AbdulkaderBisan Abdulkader1Carsten Nico HjortsCarsten Nico Hjortsø2Kenza AitelkadiKenza Aitelkadi3Kolawol Valre SalakoKolawolé Valère Salako4Noamane TaarjiNoamane Taarji1Manal MhadaManal Mhada1Zidane LamdaghriZidane Lamdaghri5Gergana RomanovaGergana Romanova2Achille Ephrem AssogbadjoAchille Ephrem Assogbadjo4Flora Josiane ChadareFlora Josiane Chadare6Mwanarusi SaidiMwanarusi Saidi7Maria SassiMaria Sassi8Basil MugonolaBasil Mugonola9Elisha Otieno GogoElisha Otieno Gogo10Joseph SsekandiJoseph Ssekandi11Emmanuel OkalanyEmmanuel Okalany12Anthony EgeruAnthony Egeru12Patience Mlongo MshengaPatience Mlongo Mshenga7Tarik ChfadiTarik Chfadi1	Perspectives on the integration of agri-entrepreneurship in tertiary agricultural education in Africa: insights from the AgriENGAGE project	Journal Article	16-Sep-24	Frontiers	https://doi.org/10.3389/fsufs.2024.1348167	None	Student
11	Okello, D., Mshenga, P., Saidi, M., Juma, F., Maria, S., Egeru, A., & Gogo, E. (2024).	Entrepreneurship education in East, West and North Africa Higher Education Institutions (HEIs): mapping agripreneurship curriculum and lecturers’ competencies.	Journal Article	15-Jul-24	Discover Education	https://link.springer.com/content/pdf/10.1007/s44217-024-00204-9.pdf	None	Staff
12	Paul Nampala Stephen W. Kalule,Patience M. Mshenga, Daniel M. Okello, Anthony Egeru, Adipala Ekwamu	Linkages with practice for higher-education curriculum innovation	Journal Article	Aug 21, 2024	International Journal of Community Research and Engagement	https://doi.org/10.5130/ijcre.v17i1.8913	This email address is being protected from spambots. You need JavaScript enabled to view it.	student
13	Fashaho, A., Uwihirwe, J., Mwonga, S. M., Lelei, J. J., & Ndegwa, G. M. (2024).	Influence of Bioslurry and Nitrogen Fertilizer on Soil Properties and Maize (Zea mays L.) Performance in Terraced Lixisols of medium and Acrisols of high altitudes in Rwanda.	Journal Article	Sep 20, 2024	Rwanda Journal of Agricultural Sciences, 3(2), 13-34.	https://www.ajol.info/index.php/rjeas/article/view/279080/263273	This email address is being protected from spambots. You need JavaScript enabled to view it.	student
14	Mwangi, L. N., Kamau, S., Cheruto, G., Vågen, T., Lelei, D., & Winowiecki, L. (2024).	SITE CHARACTERISTICS AND VEGETATION DRIVE THE ABUNDANCE AND DIVERSITY OF ARBUSCULAR MYCORRHIZA FUNGI IN SELECTED LAND DEGRADATION SURVEILLANCE FRAMEWORK STUDY SITES IN KENYA.	Journal Article	August 6, 2024	Tropical and Subtropical Agroecosystems, 27(3).	http://doi.org/10.56369/tsaes.5088	This email address is being protected from spambots. You need JavaScript enabled to view it.	student
15	Kangogo, C. K., Muliro, P. S., & Anyango, J. O. (2024).	Effect of Butternut Squash (Cucurbita moschata) Seed Powder on the Chemical and Rheological Properties of Stirred Cultured Camel Milk and Yoghurt.	Journal Article	July 23, 2024	Food and Nutrition Sciences, 15(7), 576-593.	https://doi.org/10.4236/fns.2024.157038	This email address is being protected from spambots. You need JavaScript enabled to view it.	student
16	Kigomo, J. N., Obwoyere, G., & Kirui, B. (2024).	Influence of wildfires severity on tree composition and structure in Aberdare Afromontane Forest Ranges, Kenya.	Journal Article	26-Sep-24	Trees, Forests and People, 100695.	https://doi.org/10.1016/j.tfp.2024.100695	This email address is being protected from spambots. You need JavaScript enabled to view it.	student
17	Onyango, J., Kitaka, N., van Bruggen, J. J. A., Irvine, K., & Simaika, J. (2024).	Agricultural intensification in Lake Naivasha Catchment in Kenya and associated nutrients and pesticides pollution.	Journal Article	09-Aug-24	Scientific Reports, 14(1), 18539.	https://doi.org/10.1038/s41598-024-67460-5	This email address is being protected from spambots. You need JavaScript enabled to view it.	student
18	Kitaka, N. K., Mureithi, P. W., Bauer, A., Melcher, A. H., & Ssanyu, G. A.	A Critical Review of Biomonitoring in East African Rivers: Fostering Community-based Collaboration for Environmental Change Observation.	Journal Article	17-Jul-24	Frontiers in Water, 6, 1360941.	https://doi.org/10.3389/frwa.2024.1360941	This email address is being protected from spambots. You need JavaScript enabled to view it.	Staff
19	Mengich, B. M., Karanja, A. M., Ogendi, G. M., & Morara, G. N. (2024).	Effects of Surface Area and Water Level Variability on Fisheries Production in Lake Naivasha, Kenya.	Journal Article	23/07/2024	Journal of the Kenya National Commission for UNESCO, 4(2).	https://doi.org/10.62049/jkncu.v4i2.132	None	student
20	JOSEPH, M. W., MOTURI, W. N., & OGENDI, G. M. (2024).	Assessment of Veterinary Antibiotic use and Occurrence of Veterinary Antibiotics in Livestock Manure from Farms in Rongai Sub-County, Kenya	Journal Article	23 July 2024	Current World Environment	https://www.cwejournal.org/pdf/Vol19No2/CWE_Vol19_No2_p_778-789.pdf	None	student
21	Mathew, N. D., Morara, O. G., & Navalia, A. C. (2024).	Socioeconomic Factors Influencing the Adoption of Cenchrus ciliaris among the Pastoralist Communities in South Baringo, Kenya.	Journal Article	August, 2024	Open Journal of Ecology, 14(8), 629-650.	https://www.scirp.org/journal/paperinformation?paperid=135698	None	student
23	Okuku, K., Onyando, J., Okwany, R., & Kiptum, C. (2024).	Engineer.	journal Article	27/09/2024	Agricultural Engineering International: CIGR Journal, 26(3).	https://cigrjournal.org/index.php/Ejounral/article/view/9119	None	Student
24	Labuda, R., Scheffenacker, V., Schüller, A., Voleková, B., Kubátová, A., Kandemir, H., ... & Strauss, J. (2024).	Two novel members of Onygenales, Keratinophyton kautmanovae and K. keniense spp. nov. from soil.	Journal Article	17-Jul-24	Scientific Reports, 14(1), 16525.	https://doi.org/10.1038/s41598-024-67475-y	This email address is being protected from spambots. You need JavaScript enabled to view it.	Student
25	Ondiko, J. H., Karanja, A. M., Obulinji, H. W., & Ondimu, K. N. (2024).	Influence of Indian Ocean Dipole on Drought Occurrence in Makueni County, Kenya.	Journal Article	Jul-24	Open Access Library Journal, 11(7), 1-11.	https://doi.org/10.4236/oalib.1111819		Student
26	Lydia Apondi Odep*, Symon Maina Mahungu, Mary Nyambeki Omwamba	Physico-Chemical, and Sensory Properties of Mayonnaise Substitute Prepared from Chia Mucilage (Salvia hispanica L.) and Gum Arabic from Acacia senegal var. kerensis	Journal Article	Published: September 20, 2024	Food and Nutrition Sciences, 15(9), 880-898		This email address is being protected from spambots. You need JavaScript enabled to view it.	Student
27	MAIRA W. JOSEPH*, WILKISTER. N. MOTURI and GEORGE M OGEND	Assessment of Veterinary Antibiotic use and Occurrence of Veterinary Antibiotics in Livestock Manure from Farms in Rongai Sub-County, Kenya	Journal Article	: 23 July 2024	Current World Environment	Doi: https://dx.doi.org/10.12944/CWE.19.2.21	This email address is being protected from spambots. You need JavaScript enabled to view it.	Student
28	N. Otieno, M. Saidi, A. Opiyo, M. Kasina, M. Guantai	Evaluation of biological control option for Bagrada bug (Bagrada hilaris (Burmeister)) in Kenya	Journal Article	16/07/2024	International Journal of Horticultural Science	https://doi.org/10.31421/ijhs/30/2024/13270		Student
29	onathan Munguti1, Jimmy Mboya2,3*, James Kirimi4, Domitila Kyule1, Jacob Iteba5, Esther Magondu6, Kevin Obiero2, Elick Otachi7, Florence Thiakunu8, Kevin Ouko9, Mary Opiyo	Fish diseases and fish health investment needs for aquaculture sector in Kenya	Journal Article	31/08/2024	Sustainable Aquatic Research, 3(2), 136-146.		This email address is being protected from spambots. You need JavaScript enabled to view it.	Student
30	Simon Mwangi Kingori 1* , Sylvester Cheruiyot 1, Aron Cheruiyot Kirui 2,	Optimization and Validation of a Simple Spectrophotometric Based DPPH Method for Analysis of Antioxidant Activity in Aerated, Semi-Aerated and Non-Aerated Tea Products	Journal Article	August 23, 2024	Open Journal of Applied Sciences	https://repository.dkut.ac.ke:8080/xmlui/handle/123456789/8591	This email address is being protected from spambots. You need JavaScript enabled to view it.	Student
31	joseph Ndwiga kiura1, James Ombiro Ondiek2, Perminus Kirubiu Migwi2, Abdi Yakub Guliye	Dry Matter Intake, Digestibility and Milk Production of Toggenburg Dairy Goats Fed on Napier Grass (Pennisetum Purpureum) Basal Diet Supplemented With a Concentrate in Kenya	Journal Article	20 August, 2024	Tropical Animal Health and Production	https://doi.org/10.21203/rs.3.rs-4628567/v1		Student
32	Chepsuge, N., Arndt, C., Korir, D., Mulat, D. G., Ondiek, J. O., & Leitner, O. B. K. S. M. (2024).	Effects of supplementing tropical dairy cows with different dietary protein sources on nitrogen excretion and manure greenhouse gas emissions.	Journal Article	05/08/2024	nternational Journal of Veterinary Sciences and Animal Husbandry	International Journal of Veterinary Sciences and Animal Husbandry		Student
33	Sonko, L., Bebe, B. O., & Ondiek, J. O. (	Association of Cow Drying off Practices with Milk Yield and Udder Health Outcomes in Peri-Urban Smallholder Dairy Herds	Journal Article	11-Sep-24	Animal and Veterinary Sciences,	http://article.ajnsci.org/pdf/j.avs.20241205.11	This email address is being protected from spambots. You need JavaScript enabled to view it.	Student
EGERTON                UNIVERSITY
Directorate of Research and Extension
LIST OF PUBLICATIONS FY 2024/2025 QUARTER TWO
S/NO	Author(s)	Title	Publication Description	Date of Publication	Name of Publisher/Journal	Link to Publication	CorrespondIing Email	Author
1	Juliana Cheboi Paul Kiprotich, George Ndiema Chemining'wa, Nadigatla V P R GangaraoNadigatla V P R Gangarao	Influence of water stress on growth and yield components of selected pigeonpea genotypes	Journal Article	December, 2024	Research Gate	DOI: 10.21475/ajcs.24.18.10.p90		Student
2	Milcah Wambua a 1, John Masani Nduko a 2, Joseph Matofari a, Richard Mulwa b	Nutritional, safety, and starch properties of flour from selected sweet cassava (Manihot esculenta Crantz) varieties grown in Nakuru County Kenya	Journal Article	November, 2024	Journal of Food Composition and Analysis	https://doi.org/10.1016/j.jfca.2024.106684		Student
3	Aurillia Manjella Ndiwa1*John Mburu1Richard Mulwa2Chepchumba Chumo	Determinants of climate change adaptation strategies and intensity of use; micro level evidence from crop farmers in Kenya	Journal Article	01-Oct-24	Front. Sustain. Food Syst., 25 June 2024		Email not Provided	Student
4	MAIRA W. JOSEPH*, WILKISTER. N. MOTURI and GEORGE M OGENDI	Assessment of Veterinary Antibiotic use and Occurrence of Veterinary Antibiotics in Livestock Manure from Farms in Rongai Sub-County, Kenya	Journal Article	17/10/2024	Current World	https://dx.doi.org/10.12944/CWE.19.2.21	This email address is being protected from spambots. You need JavaScript enabled to view it.	Student
6	Brenda M. Mengich, Amon M. Karanja, George M. Ogendi, George N. Morara	Effects of Surface Area and Water Level Variability on Fisheries Production in Lake Naivasha, Kenya	Journal Article	04-Nov-24	Journal of the Kenya National Commission for UNESCO	https://doi.org/10.62049/jkncu.v4i2.132	Not Provided	Student
7	Sylvia Wanjiku Gathu, Nzula Kivuva Kitaka, Lewis Morara Sitoki & Elick Onyango Otachi	Levels and Classification of Microplastics and Their Impact on the Wellbeing of Selected Commercially Important Fish Species in Kisumu Bay, Lake Victoria	Journal Article	02-Nov-24	Springer Nature	https://link.springer.com/article/10.1007/s00128-024-03976-w#citeas	Not Provided	Student
8	Risper Ajwang’ Ondiek, Julius Kipkemboi, Edwin Hes, Nzula Kitaka, Ajode Z. Migeni & Thomas Hein	Trade-offs and synergies between provisioning and regulating ecosystem services in a papyrus wetland in the Lake Victoria basin in Kenya	Journal Article	23-Dec-24	Springer Nature Link	https://doi.org/10.1007/s11273-024-10024-1	Not Provided	Student
9	Onyango Cersey Ochieng, Ogendi George Morara, Donia Noha Samir	Spatial variation in physicochemical water quality parameters associated with Rice farming in the Dakalt Branch Canal, Kafrelsheikh governorate, Egypt	Journal Article	10-Oct-24	World Water Policy	https://doi.org/10.1002/wwp2.12232	Not Provided	Student
10	Lilian A. Okiro, Richard M. Mulwa, Maurice E. Oyoo, Pascal P. Okwiri Ojwang, Susan A. Otieno, Paola Gaiero, Guilherme da Silva Pereira, and Thiago Mendes	Evaluation of genetic diversity and genome-wide association studies of resistance to bacterial wilt disease in potato	Journal Article	05-Nov-24	Online Publications	https://doi.org/10.1094/PHYTO-06-24-0188-R	Not Provided	Student
11	Robert Recha, Robert Kyalo Ndambuki	Adequacy of finance resource allocation and the use of project-based learning in the implementation of agriculture curriculum in kenyan secondary schools	Journal Article	10/09/2024	International Journal of Education, Technology and Science	https://orcid.org/0009-0007-1729-1165	This email address is being protected from spambots. You need JavaScript enabled to view it.	Student
12	xKevin Obiero ,1 Erick Ogello ,2 Jonathan Munguti , 3 Jimmy Mboya , 1,4Domitila Kyule , 3 Mary Opiyo , 3 Cecilia Githukia ,5 Kevin Ouko , 6Elijah Kembenya , 1 Jacob Abwao ,3 Geraldine Matolla , 7 Josiah Ani , 7Saitoti Sambu ,8 Maureen Cheserek ,9 Kiplangat Ngeno , 10 Joel Khobondo , 10Menaga Meenakshisundaram , 4 Chrysantus Tanga , 4 and Rodrigue Yossa	Profiling and Prioritizing Climate-Smart Aquaculture Technologies, Innovations, and Management Practices in Kenya	Journal Article	: 10 October 2024	WILEY	https://doi.org/10.1155/2024/8843677	This email address is being protected from spambots. You need JavaScript enabled to view it.	Student
13	Robert Ouko Recha a*, Miriam Nthenya Kyule b, Lydia Nkatha Kinuthia	RELATIONSHIP BETWEEN LEVEL OF ADEQUACY OF THE SCHOOL FARMAND THE ACQUISITION OF AGRICULTURAL SKILLS AMONG SECONDARY SCHOOL STUDENTS	Journal Article	12/03/2024	International Journal of Education, Technology and Scienc	https://doi.org/10.5281/zenodo.14222628	This email address is being protected from spambots. You need JavaScript enabled to view it.	Staff
14	Robert Ouko Recha,Miriam Nthenya Kyule, Lydia Nkatha Kinuthia	Level of Access to the School Farm and the Acquisition of Agricultural Skills Among Secondary School Students in Malava Sub-County, Kakamega County, Kenya	Journal Article	29/12/2024	Journal of the Kenya National Commission for UNESCO	https://doi.org/10.62049/jkncu.v5i1.193	Not Provided	Student
15	Ivan Obare1,2 *, Miriam Karwitha Charimbu2 , Joseph Mafurah2 , Vincent Were Woyengo3 , RoseHarriet Okech4 , Angeline Abour4 , Christine Kanee Mutoni4 , Morag Elizabeth Ferguson4 , Leena Tripathi4 and Samwel Muiruri Kariuki	Induction of flowering in cassava (Manihot esculenta Crantz) using plant growth regulators, pruning and extended photoperiod through night-breaks	Journal Article	Dec-24	African Journal of Biotechnology	DOI: 10.5897/AJB2024.17708	This email address is being protected from spambots. You need JavaScript enabled to view it.	Student
16	Kelvin K. Kishara, Humphreys W. Obulinji, Kennedy N. Ondimu	Perception Influence on Adoption of Solar Energy Technologies at Household Level in Konoin Sub-County, Bomet County, Kenya	Journal Article	04-Nov-24	Journal of the Kenya National Commission for UNESCO	https://doi.org/10.62049/jkncu.v4i2.115		Student
17	Lydia Apondi Odep*, Symon Maina Mahungu, Mary Nyambeki Omwamba	Physico-Chemical, and Sensory Properties of Mayonnaise Substitute Prepared from Chia Mucilage (Salvia hispanica L.) and Gum Arabic from Acacia senegal var. kerensis	Journal Article	October, 2024	Food and Nutrition Sciences	https://doi.org/10.4236/fns.2024.159056		Student
18	Kennedy Ochieng Okuku1* , Japheth Ogalo Onyando1 , Romulus Okoth Okwany1 and Clement Kiprotich Kiptum2	Climate modeling in Africa with a focus on Kenya: identifying the optimal scenario	Journal Article	Spt 2024	AgricEngInt	t http://www.cigrjournal.org	kennedy,This email address is being protected from spambots. You need JavaScript enabled to view it.	Student
19	Amos Otieno Adongo, Joseph Wafula Matofari, Elizabeth Kamau Mbuthia	Determinants of undernutrition among settled pastoralists' children aged 6–59 months in Kenya	Journal Article	Nov, 2024	Food  Sciences and Nutrition	https://doi.org/10.1002/fsn3.4201	No Email PROVIDED	Student
20	Kevin Obiero ,1 Erick Ogello ,2 Jonathan Munguti , 3 Jimmy Mboya , 1,4Domitila Kyule , 3 Mary Opiyo , 3 Cecilia Githukia ,5 Kevin Ouko , 6Elijah Kembenya , 1 Jacob Abwao ,3 Geraldine Matolla , 7 Josiah Ani , 7Saitoti Sambu ,8 Maureen Cheserek ,9 Kiplangat Ngeno , 10 Joel Khobondo , 10Menaga Meenakshisundaram , 4 Chrysantus Tanga , 4 and Rodrigue Yossa	Profiling and Prioritizing Climate-Smart AquacultureTechnologies, Innovations, and Management Practices in Kenya	Journal Article	Oct, 2025	WILEY	https://doi.org/10.1155/2024/8843677	No Email PROVIDED	Student
21	Christoph Kubitza, Sarah Hackfort, Arnold Opiyo, Cornelia Rauh, Caroline S. Stokes & Susanne Huyskens-Keil	The effects of market-oriented farming on living standards, nutrition, and informal sharing arrangements of smallholder farmers: the case of African indigenous vegetables in Kenya	Journal Article	October, 2024	Springer Nature Link	https://doi.org/10.1007/s12571-024-01480-x	Co-author	Staff
22	Maurice O. Ogoma, Judith C. Koskey	Women's Involvement in Fisheries Co-Management of the World's Largest Desert Lake, Turkana, Kenya	Journal Article	December, 2024	Journal of BioResource Management		This email address is being protected from spambots. You need JavaScript enabled to view it.	staff
23	John N. Kigomo, Gilbert Obwoyere, Bernard Kirui	Evaluating Dynamics of Carbon Pools Resulting from Redistribution Among Biomass Components Following Wildfires in Aberdare Afromontane Forests, Kenya	Journal Article	29/12/2024	Journal of the Kenya National Commission for UNESCO,	https://doi.org/10.62049/jkncu.v5i1.159	No email	Student
24	Okeyo MM1,3*, Njuguna JW2 , Obwoyere GO3 , Makanji DL3 , Machua J2 , Kimani P2 , Atieno J3 , Mosongo AO4 , Orre LL1 , Kituku KJ1 and Mongare J	Fungal Pathogens Affecting Terminalia Brownii Flowers, Fruits and Seeds in Drylands, Kenya	Journal Article	19-Nov-24	Journal of Earth and Environmental Science Research		No email	Student
25	Millicent Anyango Owiti, Grace Wanjiru Kibue, Maurice Ongong’a Ogoma	Knowledge About Environmental Dynamics and Attitude Towards Conservation of Saiwa Wetland, Trans-Nzoia County, Kenya	Journal Article	29/12/2024	. Journal of the Kenya National Commission for UNESCO	https://doi.org/10.62049/jkncu.v5i1.167	No email	Student
26	Douglas Mwiraria    Kibet Ngetich    Panuel Mwaeke	Exploring Individual Factors Associated with the Prevalence of Cybercrime Victimization Among Students at Egerton University, Kenya	Journal Article	24-Oct-24	European Journal of Humanities and Social Sciences,		No email	Student
27	Ezekiel Langat, Josiah Ouma Omolo,	Sugarcane Bagasse Based Adsorbents and their Adsorption Efficacy on Removal of Heavy Metals from Nakuru Industrial Wastewater: Optimization, Kinetic and Thermodynamic Aspects	Journal Article	26-Dec-24	Asian Journal of Applied Chemistry Research, volume 15, issue 4, 2024[10.9734/ajacr/2024/v15i4311]	https://dx.doi.org/10.9734/ajacr/2024/v15i4311	No email	Student
28	Lmeriai Lesuuda, Meshack Amos Obonyo, Maureen Jepkorir Cheserek	The Impact of Fermentation on Aflatoxin and Fumonisin Levels in Sorghum Kernels and Flour Used to Prepare Complementary Food in Kerio Valley, Kenya	Journal Article	15-Nov-24	Food Science and Nutrition	https://doi.org/10.1002/fsn3.4575	No email	Student
29	A. Fashaho J. Uwihirwe, S. M. Mwonga, J. J. Lelei2, G. M. Ndegwa	Influence of Bioslurry and Nitrogen Fertilizer on Soil Properties and Maize (Zea mays L.) Performance in Terraced Lixisols of medium and Acrisols of high altitudes in Rwanda	Journal Article	October, 2024	Rwanda Journal of Agricultural Sciences	https://www.ajol.info/index.php/rjeas/article/view/279080	No email	Student

SAF-LAB EQUIPMENTS, FUNCTION AND USES

1. NAME OF EQUIPMENT : GAS CHROMATOGRAPHY - MASS SPECTROMETER (GCMS)

Photo: SAF LAB Utra Modern Gas Chromatography –Mass Spectrometer (GCMS)

FUNCTIONS/USES

• Analysis of volatile compounds in food molecules
• Determination of trace levels of contamination of pesticides
• Quantitative and qualitative analysis of Esters, Fatty Acids, Alcohols Aldehydes, Terpenes
• Pesticide Residue Analysis
• Protein Identification
• Carbon Dating
• Analysis of biological samples -Urine, Saliva, Plasma,
• Analysis of environmental samples such as water, Food products such as beverages,
• Authentification of food samples to prevent fraud
• Forensic drug identification analysis
• Detectable Drugs in Urine – Cocaine -(100ng/Ml), Colchicine - 10mcg/Ml); Codeine-10ng/Ml),; Nicotine-100ng/Ml),
• Screening Blood and Urine for Acute Overdose of counter medications
• Food contamination detection
• Drug Testing and Discovery
• Full scan for mass fragments range from m/z 50- m/z 600 (M/Z=mass divide by charge number)

GCMS  ACCESSORIES

• GC Mainframe
• GC Column Oven
• GCMS System Split/Splitless Injectors
• Mass Spectrometer-MS
• FID detector
• GCMS System Auto-sampler
• GCMS - Data Management and Acquisition System – Computer; Laser printer
• GCMS System - Software System

2.NAME OF EQUIPMENT : ATOMIC ABSORPTION SPECTROPHOTOMETER-(AAS)

Photo: SAF LAB Atomic Absorption Spectrophotometer-AAS

FUNCTIONS/USES

• Detect heavy metals concentration (nano-grams) (parts per billion) in solid or liquid samples-very sensitive
• Food and beverages samples – measures heavy metals concentrations
• Heavy metals concentration in the environmental, marine and geological samples
• Environmental testing of concentration of various elements in rivers, drinking water, seawater
• Heavy metals concentration in biological samples such as an human and animal tissues
• Heavy metals concentration soils, fertilizer and plant tissue samples
• Heavy metals concentration herbicides, pesticides, rodenticides and fumigants
• Mining operations - identify and measures heavy metal concentration
• Heavy metals /poisons detection in water
• Clinical research and pharmaceutical drugs - composition/quantity/quality of raw ingredients used manufacturing drugs
• Works by quantitative analysis of elements in liquid or solids samples through electromagnetic radiation. Analysis by is by molecular photo absorption.

AAS Accessories

• AAS System Optics
• AAS System Data Processing system
• AAS System Burner Unit
• AAS System Gas Control unit
• AAS System Graphite Furnace
• AAS System Auto sampler
• AAS System Accessories- Hydride Vapor Generator; air compressor; gases with regulators

3.NAME OF EQUIPMENT: BENCH TOP FREEZE DRYER

Photo: SAF LAB Bench Top Freeze Dryer

FUNCTION/USES

• Preservation of high quality perishable foods
• To extend shelf life of the food and quality
• Preservation of flavours
• Used to increase shelf life of vaccines and injectables
• For valued samples - research microbial cultures, soil samples, food materials and pharmaceuticals
• Freeze drying/ lyophilization is a drying technology- removes moisture from raw frozen products through vacuum system by process called sublimating.

SPECIFICATIONS

• Condenser lowest temperature -50⁰C (80^OC optional) CFC-free Refrigeration
• Type :EBT-12N Multi-manifolds type : main machine, 2L/S Vacuum Pump, multi-manifolds drying apparatus (4 sample tray, 8 Lyophilized bottle, 8 rubber valve)
• Tray Size : 200mm Four Layered

4.NAME OF EQUIPMENT: ROTARY EVAPORATOR

Photo: SAF LAB Rotary Evaporator

FUNCTIONS/USES

• Removes solvents with low boiling points such as ethyl acetate and n-hexane
• Removes solvents a sample by evaporation
• Used for extracting, distillation, concentration solvent, evaporation and purification

SPECIFICATIONS:

Rotary Evaporator

• Diagonal Rotary evaporator
• Specifications:
• Dimensions(WxDxH):730x410x630mm
• Power: 220V 50/60Hz 2.5A
• Flask Supplied: 1000ml
• Included: Water bath (PTFE Coating)

 Vacuum Pump

• Diaphragm Vacuum pump
• Suitable for Air, Gases and vapors
• Technical features:
• 100% oil-free
• Pure transfer,evacuation and compression
• Chemically resistant

Cooling Water Circulator (Bath)

• Cooling water circulator
• Specifications:
• Capacity: 4L
• Bath Dimension(DxH): Ø190x200
• Circulator Pump: Magnet 20W Max. flow 15L/min
• Temp Range: Down to -20˚C

5.NAME OF EQUIPMENT : MICROBIOLOGY FUME HOOD

Photo: SAF LAB Microbiology Fume Hood

FUNCTIONS/USES

• For Microbiology Research
• Protect users from inhaling toxic fumes
• Protect experiment or sample from contamination
• Protect users from explosions or spills
• Works by pulling away air from the user into the enclosure with a blower
• Actively protects operator from inhaling toxic vapors and dramatically reduces the risk of fire and explosion

SPECIFICATIONS:

• External Size (W*D*H): 1200*840*2150mm
• Internal Size (W*D*H): 1080*730*745mm
• Work Surface Height: 750mm
• Max Opening: 520mm
• Air Velocity: 0.3 - 0.8m/s
• Noise: ≤68dB
• Exterior material: Cold-rolled steel with anti-bacteria powder coating.

6.NAME OF EQUIPMENT: BIOSAFETY CABINET CLASS –II

Photo: SAF LAB Biosafety Cabinet Class –II

FUNCTIONS/USES

• Suitable for working with microbiological research in the absence of volatile or toxic chemicals and radionuclide
• Protect lab workers /users from hazardous materials using directional air flow
• The sterile air bathes and protects work from air borne contaminants
• Protects environment against harmful biological agents
• Prevent biological materials ,(cell cultures microbiological stocks) inside the BIOSAFETY CABINET CLASS –I1 from being contaminated

SPECIFICATIONS:

• Airflow system: 70% air recirculation, 30% air exhaust.
• Internal Size (W*D*H): 1150*600*660 mm
• External Size (W*D*H): 1300*750*2250mm
• Working height: 8 inches
• Inflow Velocity: 0.53±0.025 m/s
• Down flow Velocity: 0.33±0.025 m/s
• HEPA Filter:Two, 99.999% efficient at 0.3 um. Filter life indicator
• Noise: EN12469 ≤ 58 dB / NSF49 ≤ 61 dB
• UV LAMP: 30W* 1
• Display: LCD display: exhaust filter and downflow filter pressure, filter and UV lamp working time, inflow and downflow velocity, filter life, humidity and temperature, system working hours etc.
• Control System: Microprocessor
• Airflow System: 70% air recirculation, 30% air exhaust
• Visual and audio alarm: Filter replacement, window over height, abnormal air flow velocity.

7.NAME OF EQUIPMENT: UV-VIS - SPECTROPHOTOMETER SYSTEM

Photo: SAF LAB UV-VIS-Spectrophotometer System with Accessories.

FUNCTIONS/USES

• Measuring absorbance of a sample as a function of wavelength of electromagnetic radiation
• Quantitative analysis of molecular and ionic species in a solution
• Determining concentrations of compounds-
• Determining structure of a compounds
• Finding functional groups of compounds
• Determining molecular weight of a compounds
• Determining the composition of materials
• Used in forensic sciences - determining concentrations of compounds
• Used in molecular biology research - quantify molecules for nucleic acids, proteins and fats

SPECTROPHOTOMETER ACCESSORIES

• Wavelength range and spectral bandwidth = 190nm to 1100nm
• Photometric system Double beam
• Printer compatible with the UV
• Complete PC having Windows 10, 15’ LED screen , 500GB Hardisk, 4GB RAM, Mouse etc.
• PC-UV operation software

8.NAME OF EQUIPMENT: NAME OF EQUIPMENT : BINOCULAR OLYMPUS MICROSCOPE

Photo: SAF LAB Binocular Olympus Microscope

FUNCTIONS/USES

• High Magnification – (40-1000x)
• Observe enlarge and generate an image from a sample put on a slide
• Provide enlarged images of distant objects
• Ease of viewing
• Cuts down eye strain
• For parasitology research

SPECIFICATIONS:

• Binocular Microscope
• Nosepiece: Quadruple revolving nosepiece, rotation on ball bearings
• Eyepiece: Wide field eyepieces WF10X/18 with field number 18.
• Objectives: Achromatic objectives with mechanical tube length 160 mm
• Stage: Double layer with mechanical sliding stage, size 125x115mm, X-Y movement range 70x30, specimen holder for one slide.
• Supplied with: Instruction manual and dust coverExterior material: Cold-rolled steel with anti-bacteria powder coating.

9.NAME OF EQUIPMENT: FLUORESCENT MICROSCOPE

Photo: SAF LAB Fluorescent Microscope

FUNCTIONS/USES

• Uses fluorescence light to generate images form a specimen
• Uses fluorescence as a detection method instead of regular illumination and magnification
• Provides detailed features of cells and tissues
• Used in diagnostic and microbial ecology for enumerating bacteria in natural environments
• To observe living matter at the point where fluorescence dyes are present
• Used in biology/molecular biology/chemistry/physiology/and imaging
• Cell labeling-identify and label cell structures; Live cell imaging; Protein characterization

SPECIFICATIONS

• Head: Trinocular (fixed 50/50), 30° inclined, 360° rotating.
• Interpupillary distance: Adjustable between 48 and 75 mm.
• Dioptric adjustment: On the left eyepiece tube.
• Eyepieces: WF10x/20 mm, high eye-point and secured by screw.
• Nosepiece: Quintuple revolving nosepiece, rotation on ball bearings.
• Objectives: IOS N-PLAN 4x/0.10;IOS N-PLAN 10x/0.25;IOS N-PLAN 20x/0.40
• Objectives: IOS N-PLAN 40x/0.65; IOS N-PLAN 100x/1.25 (Oil/Water)
• Specimen stage: Double layer rackless mechanical stage, 233×147 mm, 78×54 mm X-Y range.
• Focusing: Coaxial coarse (adjustable tension) Condenser: Abbe N.A. 1.25, with objective-coded iris diaphragm, focusable and centerable.
• Transmitted illumination (Fixed Koehler type): X-LED3 with white 3.6 W LED (6,300K) with brightness control.

10.NAME OF EQUIPMENT: INVERTED MICROSCOPE

Photo: SAF LAB Inverted Microscope

FUNCTIONS/USES

• Inverted microscope used for observing cells and organisms in petri dishes, microplates and roller bottles
• Inverted microscope used for observing living cells or organism at the bottom of a large container such as a tissue culture flask instead of a glass slide as is the case with a conventional microscope
• No need to embed the samples;No need to cut out parts of a bigger sample
• Saves times and money
• Inverted microscopes used cell culture and tissue culture as cells grow underneath the stage of the microscope –specimens can be viewed from below at the bottom

SPECIFICATIONS

• Head: Trinocular (2-position 100/0, 50/50), 45° inclined.
• Interpupillary distance: Adjustable between 50 and 75 mm.
• Dioptric adjustment: On the left eyepiece tube.
• Eyepieces: WF10x/22 mm, high eye-point and with rubber cups.
• Nosepiece: Quintuple revolving nosepiece, rotation on ball bearings.
• Objectives: IOS LWD W-PLAN PH 10x/0.25; IOS LWD W-PLAN PH 20x/0.40; IOS LWD W-PLAN PH 40x/0.65
• Specimen stage: Fixed stage, 250×160 mm, with glass and metal stage inserts.
• Focusing: Coaxial coarse (adjustable tension) and fine focusing mechanism with limit stop to prevent the contact between objective and specimen.
• Condenser: LWD pre-centered condenser, N.A. 0.30, W.D. 72 mm. With 4x/10x, 20x/40x phase contrast slider and bright field. Removable to extend the working distance to 150 mm.
• Transmitted illumination: X-LED8 with white 8 W LED (6,300K) with brightness control.

11.NAME OF EQUIPMENT: DISSECTING MICROSCOPE

Photo: SAF LAB Dissecting Microscope

FUNCTIONS/USES

• To view three dimensional (3Dimages) objects and larger specimens
• A stereoscope for viewing surface features of a specimen

SPECIFICATIONS

• Digital stereozoom microscope 7x…45x, halogen incident & transmitted illumination, with 1.3Mpixels.
• "Illumination: Dual illuminator adjustable for transmitted and reflected light, intensity control with two knobs on the right side of the base. The illumination angle in reflected light is adjustable.
• Two halogen bulbs 12V/15W provided"
• Magnification: 7x/45x
• Head: Binocular 360° rotating and 45° inclinated
• Objectives: 0,7 .... 4,5x Zoom
• Resolution: 1280 x 1024 pixels (1.3 M pixels)
• "Included with the camera:
• Optika Vision® software package, 1.5 m USB cable.

12.NAME OF EQUIPMENT: ELECTRONIC ANALYTICAL WEIGHING BALANCE

Photo: SAF LAB Electronic Analytical Weighing Balance

FUNCTIONS/USES

• Analytical Weighing Balance

SPECIFICATIONS

• Capacity: 220g
• Readability: 0001g (0.1mg)
• Material of Body: Metal
• Supplied with: Power adapter and user manual

13.NAME OF EQUIPMENT: MAGNETIC STIRRER

Photo: SAF LAB Magnetic Hot Plate Stirrer

FUNCTIONS/USES

• Used in chemistry and biology to stir and mix small volumes of solutions

 SPECIFICATIONS

• Hot plate stirrer, ceramic coated plate.
• Range: Max 380°C
• Plate Size (mm): 180x180
• Stirring capacity: 20 lts

14.NAME OF EQUIPMENT: VORTEX MIXER

Photo: SAF LAB Multifunction Vortex Mixer Set

FUNCTIONS/USES

• To mix small vials of liquids

SPECIFICATIONS

• Multifunction Vortex Mixer Set
• Speed Range: 0 ~ 3,300 rpm
• Power: AC 230V, 50/60Hz
• Dimensions: 260x200x220
• Supplied with: Pop-off Cup Head and Φ76mm (3 inch)

15.NAME OF EQUIPMENT: WATER DISTILLATION SYSTEM

Photo: SAF LAB Water Distillation System

FUNCTIONS/USES

• Laboratory distilled water

SPECIFICATIONS

• Water Still, 4l/hr single distiller 240V
• Output Capacity: 4 litres/hr- Single distilled
• pH: 5.6 -6.0
• Conductivity: 3-4
• Power Rating: 3kW

16.NAME OF EQUIPMENT: AUTOCLAVE

Photo: SAF LAB Autoclave

FUNCTIONS/USES

• Sterilizing of surgical equipment, lab instruments, pharmaceutical items

SPECIFICATIONS

• Top-loading Sterilizer with digital fuzzy control, Electronic door lock, steam condensing mechanism, lever-type sliding door, solids / liquids modes, CE-MDD Certified
• Capacity: 100L
• Temperature Range: Ambient 5℃ to 132℃
• Power Supply: 230v, 60Hz
• Heating Power: 2kW X 2
• Supplied with: 2 SUS Wire Baskets

 17.NAME OF EQUIPMENT : HOT AIR OVEN

FUNCTIONS/USES

• Drying and sterilizing

 SPECIFICATIONS

• Natural Convection oven.
• Temperature range Ambient +5°C up to +300 °C
• 53 litres volume

18.NAME OF EQUIPMENT: VACUUM FILTRATION APPARATUS

Photo: SAF LAB Vacuum Filtration Apparatus

FUNCTIONS/USES

• Removing macromolecules, colloids, emulsified oil, endotoxins, viruses and bacteria

SPECIFICATIONS

• Oil free Vacuum Pump
• 3 place Stainless steel Manifold
• 3 x Stainless Steel Funnel 300ml
• Torch Burner
• 4000 ml PP Waste Bottle with drain
• MCE Membrane, 47 mm, 0.45 μm, 200/PK
• Silicone Tube (1 x 2 Pcs)

19.NAME OF EQUIPMENT : FLASK SHAKER FOR MIXING

Photo: SAF LAB Flask shaker

FUNCTIONS/USES

• Flask shaker for mixing solvents

SPECIFICATIONS

• Material Stainless Steel
• Voltage220 / 230 V
• Frequency50/60 Hz
• Power Source Electric
• Phase Single Phase

20.NAME OF EQUIPMENT: STAINLESS STEEL TROLLEY

Photo: SAF LAB Stainless Steel Trolley

Specification:

• Dimension :- 500mm x 500mm x 950mm
• Specifications:- Welded Stainless Steel Construction – no rivets
• Wheels:- 100mm Grey Rubber swivel

Accessories

• 125mm grey rubber wheels
• Infection control fully welded
• Total locking castors
• Buffer disks
• Guard rails on all sides
• 1 or 2 Drawers
• Key locks to drawers

 21.NAME OF EQUIPMENT: LIQUID NITROGEN CONTAINER

Photo: SAF LAB Liquid Nitrogen Container

Functions/Uses

• For cryogenic storage of biological material at cryogenic temperature right from semen to stem cells both in vapor and liquid

Specification:

• TA55 Liquid Nitrogen Container
• Capacity (litres) : 51.5
• BIS certified for IS:11552 standard

22.VISITING SCIENTISTS - PH.D STUDENTS WORKING DESKS

Photo: SAF LAB Ample Visiting Scientist Desks with Internet Connectivity

23.NAME OF EQUIPMENT: COOL BOXES AND REFRIGERATORS

Photo: SAF LAB cool boxes and refrigerators

24.NAME OF EQUIPMENT: COMPACT BENCH CENTRIFUGE

Photo: SAF LAB Compact Bench Centrifuge

FUNCTIONS/USES

• Concentrate or separate substances suspended in liquid media by density
• Applications: DNA/RNA research; tissue culture, protein work, cell harvesting

SPECIFICATIONS

• Speed: 6800 rpm
• RCF: 4445 xg
• Volume: 8 x 15 ml RB / 4 x 15 ml Falcon
• Speed range: 200 - 6800 rpm
• Running time: 59 min 50 s / 10 s increments 99 h 59 min / 1 min increments
• Dimensions (WxHxD): 28 x 24 x 35 cm

25.NAME OF EQUIPMENT: TISSUE HOMOGENIZER AND EXTRACTOR

Photo: SAF LAB Tissue Homogenizer and Extractor

FUNCTIONS/USES

• Tissue Homogenizer And Extractor

26.NAME OF EQUIPMENT: NATURAL CONVECTION INCUBATOR

Photo: SAF LAB Natural Convection Incubator

FUNCTIONS/USES

• Provides temperature controlled environment to support growth of microbiological cultures

Specifications:

• Temperature range Ambient +5°C up to +70 °C
• 53 Litres Volume
• Double Doors Standard.

27.NAME OF EQUIPMENT: COOLED INCUBATOR

Photo: SAF LAB Cooled Incubator

FUNCTIONS/USES

• Provides temperature below the ambient temperature as low as+10⁰C
• Used in biology and microbiology
• Microbiological cultures, hematology, enzyme digestion studies,
• Coliform determination, tissue culturing

SPECIFICATIONS:

• Temperature range Ambient +0°C up to +70 °C
• 53 Litres Volume
• Double Doors Standard.

28.NAME OF EQUIPMENT: SHAKING WATER BATH

Photo: SAF LAB Shaking Water Bath

FUNCTIONS/USES

• For thawing, heating, mixing, and shaking samples
• Continuous shaking of microbiological samples enables liquid grown cell cultures to continuously mix with air Flask shaker for mixing solvents
• Designed to deliver precise temperature controlled ad a smooth reciprocal horizontal shaking motion

29.NAME OF EQUIPMENT: REFRIGERATED HIGH SPEED CENTRIFUGE

Photo: SAF LAB Refrigerated High Speed Centrifuge

FUNCTIONS/USES

• For separating heat labile/temperature sensitive samples or mixtures
• Able to generate speed of 60000g
• Useful to collect microorganisms, cellular debris, large cellular organelles, and proteins

 

Implementation Milestones of the SAF LAB since Inception

Objective 1 and 2: To procure, install and commission equipment at the SAF- LAB

Duration:  June 2019 - June, 2022.

Implementation Milestone