Organic Chemistry

Inorganic Chemistry

Environmental Chemistry

Inorganic Chemistry

Organic Chemistry

Organic Chemistry

Environmental Chemistry

Organic Chemistry

Organic Chemistry

Petroleum Chemistry

Chemistry Technologists

Chemistry Technologists

Dr. Hezron F. O. Ogutu
•    PhD in Chemistry.
•    SPAS, Department of Chemistry

3.      Biography:   
• Dr. Hezron Ogutu is a seasoned Chemist, Department Faculty Lecturer, and currently serves as Chairman Department of chemistry, School of Pure and applied Science at Kisii University in Kenya, where he imparts his knowledge and passion for the field to aspiring chemists. Simultaneously, he serves as a board member at the centre of science technology and innovation, showcasing his commitment to applying scientific expertise in real-world contexts. With a robust educational background, having done his postdoctoral fellowship under mentorship of Prof Lueta De Kock  at UNISA-INanoWS in South Africa, he also holds a PhD in hydrometallurgy chemistry from Stellenbosch University, an MSc in structural chemistry, from the University of Johannesburg, and a BSc in Industrial chemistry from the University of Nairobi.  Dr. Ogutu's research interests are expansive and reflect his dedication to addressing sustainability and environmental challenges. His work spans green chemistry, mining chemistry, hydrometallurgy (with a focus on the synthesis of extractants), acid mine drainage, membrane synthesis, water remediation technology, and nanoparticles research. His proficiency in structural chemistry, utilizing techniques such as SXRD (Single Crystal X-ray Diffraction) and PXRD (Powder X-ray Diffraction), underscores his commitment to advancing the understanding of chemical structures. With his combination of academic and consultancy roles, Dr. Hezron Ogutu strives to make significant contributions to the realms of chemistry and environmental science. Sustainable eco-industrial growth can be achieved through innovative material structures.

4.      Academic Qualifications:    
Type your Academic Qualifications here:
•    PhD: Stellenbosch University, South Africa
•    MSc: University of Johannesburg, South ||Africa
•    BSc. Industrial chemistry, University of Nairobi-Kenya

5.      Research Interests:
a) Hydrometallurgy research:
Overview
Lanthanides play a critical role in modern technologies necessitates the development of economical and scalable hydrometallurgical processes for their extraction from aqueous solutions. These rare earth elements exhibit complex and exceptional coordination chemistry, readily forming complexes with tailored ligands. This complexation behavior presents a powerful avenue for selective and efficient lanthanide separation, a crucial step for their industrial utilization e

Title:
•    Synthesis of analogues Oxime Schiff base ligands for the hydrometallurgical extraction of Lanthanides and actinides collaboration with SU and UJ

b) water remediation technology:

overview:
The presence of pollutants and their residues in water bodies has become a major environmental issue, requiring the development of efficient methods to address it.

 Project 1: photodegradation of emerging pollutants
Tittle:
•    Photocatalytic degradation of selected pharmaceuticals in waste waters using iron/ graphite carbon nitride Collaboration with UNISA-InanoWS.

 Project 2: Green synthesis
Tittle:
•    Green  synthesis of iron nanoparticles for the remediation of phosphates and nitrates from waste water of river Naykomisare: collaboration with CPUT-SA

Project 3: nanocmposites sysnthesis
Tittle
•    iron-zirconium nanocomposite for the remediation of emerging pollutants in river nyakomisaro, in kisii county kenya, Collaboration with UKZN-SA

project 4/: green and sustainable chemistry
tittle:
•    Production of biohydrogen from fermented bioethanol from waste banana peel and pineapple through catalytic convertor Collaboration CSTI_UJ

6.      Publications: 
Journals
•    Waketola AG, Hone FG, Mola GT, Oseni SO, Ogutu H., Tegegne NA, Hybrid silver/silver-oxide nanoparticle doped hole transport layer for the effective photon harvesting in organic solar cells, Applied Physics A 129 (2), 96, 2023   https://doi.org/10.1007/s00339-022-06349-4
•    Lwazi Ndlwana , Naledi Raleie, Kgogobi M. Dimpe, Hezron F. Ogutu, Ekemena O. Oseghe, Mxolisi M. Motsa, Titus A.M. Msagati and Bhekie B. Mamba  Hydrothermal and Solvothermal Synthesis of Advanced Carbon Materials in Multidimensional Applications: A Review:. Materials 2021, 14, 5094. https://doi.org/10.3390/ma14175094
•    Brendan H. P, Ogutu Hezron F.O., Saban Waheed, Luckay Robert C. Synthesis, characterization and use of imidazole and methyl-pyrazole based pyridine ligands as extractants for nickel(II) and copper(II)  Inorganica Chimica Acta 490 (2019) 57–67 https://doi.org/10.1016/j.ica.2019.02.020:
•    Ogutu HFO, Saban W, Malgas-Enus R, Luckay R.C, Design, synthesis and spectroscopic characterization of mixed N-and O-donor Schiff base ligands (N2O3): Crystal structures of free,  ligands:: Journal of Molecular Structure 20120, 1211, 1281061: https://doi.org/10.1016/j.molstruc.2020.128106
•    Ogutu Hezron F.O., Saban Waheed, Malgas-Enus Rehana,. Luckay Robert C Synthesis and characterization of 5- and 7-donor Schiff base and spectroscopic evidence for tautomerism: A crystal structure showing tautomeric forms within one ligand Journal of Molecular Structure 1185 (2019) 392e402  https://doi.org/10.1016/j.molstruc.2019.02.054
•    Brendan H. p, Ogutu, Hezron. F. Luckay Robert C: Synthesis of pyrazole-based pyridine ligands and their use as extractants for nickel(II) and Copper(II):crystal structure of a copper(II)-ligand complex. European journal of inorganic chemistry 18, pg 1189-1201 (2016) http:// doi:10.1002/ejic.201601410
•    I Buthelezi, H Chiririwa, H Ogutu, R Meijboom,: trans-Dichloridobis [dicyclohexyl (2, 4, 6-trimethylphenyl) phosphane-κP] palladium (II) Acta Crystallographica 2012, Section E: Structure Reports Online 68 (11), m1330-m1331: http:// doi: 10.1107/S1600536812040810

7.      Classes taught:  
CHEM 212, The chemistry of S and P_block elements
CHEM 217: Introduction to unit operation
CHEM 218: introduction to industrial chemistry
CHEM313: Coordination chemistry
CHEM 317. Instrumental methods of analysis
CHEM 416 The chemistry of d and f-group elements
CHEM 418: Forensic chemistry
CHEM 419: waste management
CHEM 480: Research methods

Postgraduate classes
CHEM 801: Advanced bioinorganic chemistry
CHEM 805: Advanced quantum chemistry

8.      Other relevant links:  
https://scholar.google.com/citations?user=ik5v_7gAAAAJ&hl=en

9.  Official Contact Details:   
• University Email: hogutu@kisiiuniversity.ac.ke

Mr. James Muchiri Waringa
Tutorial Fellow
School of Pure and Applied Sciences
Chemistry Department

3.      Biography:   

An adaptable and results-driven energy expert with extensive experience in both oil and gas, and renewable energy sectors. With a solid foundation in petroleum geochemistry, downstream supply operations, and renewable energy technologies, I boast a comprehensive understanding of the energy industry’s evolving landscape. A good team player with a proven track record in managing complex projects, delivery academic lectures, optimizing supply operations, and implementing sustainable energy solutions. Committed to advancing energy efficiency and sustainability, while maintaining high standards of safety and environmental stewardship.

4.      Academic Qualifications:   

Phd Environmental Sciences, Kisii university, (Ongoing)
MSc. Petroleum Geochemistry, University of Newcastle, UK, (2015)
BSc. Chemistry, JKUAT, (2010)

5.      Research Interests:   

Energy Transition
Basin analysis and petroleum system modelling
Source rock characterisation
Field Development Program of Lokichar Basin (Team member)
Geochemical analysis to identify the source of gas seeps in Block 14T

6.      Publications:   

J. Waringa. (2024). Mineral Resources for the Energy Transition; Curse or Blessing? (GEOEACE 2024)

7.      Classes you taught:   

BSc. Petroleum Chemistry, Years 3 and 4

8.  Official Contact Details:    jwaringa@kisiiuniversity.ac.ke

Dr.  Kennedy Owuor Olale,
• Lecturer of Analytical and Sustainable Chemistry.
•    School of Pure and Applied Sciences, Department of Chemistry

3.      Biography:   

Dr Kennedy Olale has a strong research background in analytical chemistry, chemometrics and spectroscopy, food analysis, sustainable chemistry, and environmental chemistry. He previously worked as a research fellow with World Agroforestry Center (ICRAF), and has published several papers in peer-reviewed journals. Dr Olale is a recipient of several awards and grants for his research, including the National Commission for Science, Technology, and Innovation (NACOSTI) 2015, World Agroforestry (ICRAF) Research Fellowship (2009) under Carbon Benefits Project (CBP): Modelling, Measurement, and Monitoring -Funded by UNEP through GEF fund and World Agroforestry (ICRAF). Doctoral Research Fellowship under Agriculture for Nutrition and Health (A4NH) CGIAR project. He is the thematic head of analytical and sustainable chemistry research at the Department of Chemistry, and an examination Officer/Coordinator at the School. Currently, he collaborates with the Centre for Science and Technological Innovation (CSTI), a UNESCO-associated center based at the Kenya National Academy of Sciences, on sustainable chemicals in the building/construction Industry. He is a member of Kenya Chemical Society.
4.      Academic Qualifications:   

•    Jan 2015 to Dec 2020- Doctor of Philosophy in Chemistry, Jomo Kenyatta University of Agriculture and Technology (JKUAT), Nairobi-Kenya.
•    Thesis. Quality traits prediction of mango fruit pulp using Fourier transform infrared spectrometry (FT-IR) and Chemometrics; and the effect of fertilization on fruit characteristics.
•    Sept 2009 to 2012- Master of Science in Chemistry, University of Nairobi, Chiromo Campus, Nairobi-Kenya.
•    Thesis. Prediction of wood density and carbon-nitrogen content in tropical agroforestry tree species in western Kenya using infrared spectroscopy
•    Sept 2001 to 2005- Bachelor of Science in Industrial Chemistry, (2nd Upper Division) University of Nairobi, Chiromo Campus, Nairobi-Kenya.
•    Project. Determination of Inorganic Additives in Lubricating Oils using AAS Spectroscopy
•    Jan 1996 to Dec 1999- Kenya Certificate of Secondary Education- (K.C.S.E), Kakrao Mixed Secondary School, Migori County, Kenya
•    Jan 1987 to Dec 1995- Kenya Certificate of Primary Education-(K.C.P.E), Nyasare Primary School, Migori County.

5.      Research Interests:   

•    Sustainable chemistry, organochlorine pesticides, Per fluorinated compounds, Plant Based Spices and Soil health monitoring.
•    Collaborates with the Centre for Science and Technological Innovation (CSTI), a UNESCO-associated center based at the Kenya National Academy of Sciences
•    Current Students Supervision;
No.    Name    Level    Status
1.    Ogola Julius Ochieng MPS13/00002/19    Msc    Graduated 2023
2.    Eunice Akinyi Chore MPS13/00004/20    Msc    Compiling Thesis
3.    Mercilline N Moenga
MPS13/70105/16    Msc    Compiling Thesis
4.    Robert Nyambane Bundi MPS13/00001/22    Msc    Data Collection
5.    Kisiangani N Sarah
MPS13/00003/21    Msc    Data Collection
6.    Michael Getanda Makini
MPS13/70068/15    Msc    Data Collection

6.      Publications:   

•    Books
Muchugi A, Kadu C, Kindt R, Kipruto H, Lemurt S, Olale K, Nyadoi P, Dawson I and JamnadassR, (2008). Molecular Markers for Tropical Trees, A Practical Guide to Principles and Procedures. ICRAF Technical Manual No.9. Dawson, I and Jamnadass, R. (Eds) Nairobi. World Agroforestry Centre

•    Conferences
Olale Kennedy (2023) "PFCs and PFAs in water proofing materials", case studies from various African countries and associated risks. Sustainable Building & Sustainable Chemistry. UNEP/IC3/CSTI online conference https://isc3.com/page/what-we-do/information/isc3- spotlights/spotlight-innovation-sustainable-chemistry-recap/spotlight3- session2-addressing-hazardous-chemicals
Olale O.K, Waudo W., Mohammed S. A., Sila A and Shepherd K (2017). Influence of Phosphorous and Potassium Fertilizer on fruit morphological and Chemical Properties of Mangifera indica L in Kenya. Presented at the 9th International Conference of the Kenya Chemical Society (KCS) at USIU University on May 2017
Olale O.K, Waudo W., Mohammed S. A., Sila A and Shepherd K (2015). Application of FTIR-DRIFT spectroscopy for quantitative prediction of sugars in the pulp of two local and two Floridian mango (Mangifera indica L.) cultivars from different sites in Kenya. A poster presented at the XI International Mango Symposium, between 28th September and 2nd October 2015 in Darwin, Northern Territory, Australia.
Olale O.K, Waudo W. and Mohammed S. A (2013). Decrease of Bioactive Compounds and Quality Parameters in Mango Pulp (‘Apple’ Variety) after Freeze-Drying and Freezing: A preliminary comparison of methods for improving sample storage. Presented at the 13th Workshop on Sustainable Horticultural Production in the Tropics at Meru University of Science of Technology. December 3rd – 6 th, 2013.
Olale O.K, Yenesew A, Jamnadass R, Sila A, Betemariam E, Kuyah S and Shepherd K (2012). Limitations to use of infrared spectroscopy for rapid determination of wood density across tropical species. Presented at the 7th International Conference of the Kenya Chemical Society (KCS) at Maseno University on 15th to 18th Oct 2012. kenyachemsoc.com

•    Journals
Olale, K. (2024). Effects of phosphorus and potassium fertilization and fruit canopy position on sugar accumulation in Mangifera indica cv.'Kent' pulp. Journal of Food, Nutrition and Diet Science, 41-48.
JO Ogola, K Olale, R Mogwasi, O Mainya (2024). Organochlorine pesticide residues in water and sediments in river Kibos-Nyamasaria in Kisumu County: An inlet river of Lake Victoria, Kenya. Scientific African, 2024 Vol.23, e02094). https://doi.org/10.1016/j.sciaf.2024.e02094
J Achoki, P Orina, C Kaingu, J Oduma, K Olale (2024). Comparative Study on Fatty Acids Composition of Lemna minor (Duckweed) Cultured in Indoor Plastic Tanks and Outdoor Earthen Ponds. Aquaculture Research, 2024(1)- 5563513. https://doi.org/10.1155/2024/5563513
JO Ogola, R Mogwasi, K Olale (2023) Impact of Human Activities on Water Quality in River Kibos-Nyamasaria, Kisumu County: An Inlet River to Lake Victoria in Winam Gulf, Kenya. International Journal of Research and Analytical Reviews,10 (3)
Mogwasi, R., Olale, O.K., Osunga, S., & Kenanda, E. O. (2023). Assessment of bio-accessibility of heavy metals (Cd, Pb, and As) through consumption of medicinal plants collected from different regions in Nyamira-Kenya. Diagnostics and Therapeutics, 16-33.
JO Ogola, R Mogwasi, K Olale (2023) Assessment of Dichlorodiphenyltrichloroethane (DDT) and its Isomers in Water and Sediments: A case study of River Kibos-Nyamasaria, Kisumu County-Kenya. Journal of Emerging Technologies and Innovative Research,10 (8)
Recha, J. W., Olale, O.K., Sila, A. M., Ambaw, G., Radeny, M., & Solomon, D. (2022). Measuring soil quality indicators under different climate-smart land uses across east African climate-smart villages. Agronomy, 12(2), 530.
Recha, J. W., Olale, O.K., Sila, A., Ambaw, G., Radeny, M., & Solomon, D. (2021). Ensemble modeling on near-infrared spectra as rapid tool for assessment of soil health indicators for sustainable food production systems. Soil Systems, 5(4), 69.
Olale O.K., Waudo W., Mohammed S. A., Sila A and Shepherd K (2019). FTIR-DRIFTS-based prediction of β-carotene, α-tocopherol and L-ascorbic acid in mango (Mangifera indica L.) fruit pulp. Springer Nature Applied Science.1:279. https://doi.org/10.1007/s42452-019-0297-7
Olale O.K., Waudo W., Mohammed S. (2019). Effects of Freeze-drying and Freezing on Vitamins and Sugars of Mango Pulp (‘Apple’ Cultivar): A Preliminary Comparison of Methods for Improving Sample Storage. Chemical Methodologies, vol.3 (6), 763-773.
Olale O.K, Yenesew A, Jamnadass R, Sila A, and Shepherd K (2019). A simple field-based method for rapid wood density estimation for selected tree species in Western Kenya. Scientific African. Vol.5 e00149
Olale O.K., Waudo W., Mohammed S. A., Sila A and Shepherd K (2017). Application of DRIFT-FTIR spectroscopy for quantitative prediction of simple sugars in two local and two Floridian mango (Mangifera indica L.) cultivars in Kenya. Journal of Analytical Science and Technology, Vol. 8, No. 21
Olale O.K, Yenesew A, Jamnadass R, Sila A, Betemariam E, Kuyah S and Shepherd K (2013). Limitations to use of infrared spectroscopy for rapid determination of carbon-nitrogen and wood density for tropical speciess. Advances in Analytical Chemistry. Vol. 3, No.3.
Olale O.K, Jamnadass R and Shepherd K (2011). A Protocol for Measuring Tree Wood Density and Carbon Content in Tropical Agroforestry. Document Version 1.0 http://www.goes.msu.edu/cbp/density.pdf

7.      Classes  taugth:   

•    CHEM 801
•    CHEM 802
•    CHEM 413
•    CHEM 466
•    CHEM 326
•    CHEM 365
•    CHEM 212
•    CHEM 115
8.      Other relevant links:   

•    Google scholar profile
https://scholar.google.com/citations?user=RwFG8EwAAAAJ&hl=en
•    ORCID
https://orcid.org/0000-0001-9343-7946
•    LinkedIn
https://www.linkedin.com/in/kennedy-olale-phd-62997742/
•    ResearchGate
https://www.researchgate.net/profile/Kennedy-Olale
•    Researchid
https://researchid.co/kennedyolale

9.  Official Contact Details:   

Kennedyolale@kisiiuniversity.ac.ke

Dr. Nyabaro Obed Mainya
Doctor of Philosophy
•    School of Pure and Applied Sciences, Department of Chemistry

3.      Biography:   

(1987-2024), Acquired Knowledge in Gusii Highlights, Academy, Cardinal Otunga High School, Mosocho, Later on joined University of East Africa, Baraton For BSc, University of Eldoret for MSc and Kisii University for PhD.,  with a career in Analytical chemistry. Joined Kisii University in 2012 as a part-timer, later on as an assistant lecturer in 2014 and now a lecturer in the School of Pure and Applied Sciences department of Chemistry.

4.      Academic Qualifications:    
PhD. Analytical Chemistry 2020  Kisii University
Thesis Title: Effect of Selected Cooking Parameters and Tuber Maturity on Levels of Acrylamide in Solunum tuberosum Products in Kisii County, Kenya

MSc. Analytical Chemistry 2013 University of Eldoret
Thesis title: Pollutant Levels in waste water from Tannery Effluent: A case Study of Nakuru Tanners, Kenya.

BSc. Chemistry (Industrial option) 2010 University of Eastern Africa, Baraton

Kenya Certificate Secondary Education, 2005, Cardinal Otunga High School, Mosocho, Kenya

Kenya Certificate Primary Education, 2001, Gusii highlights, Academy, Kenya

5.      Research Interests:    
•    Analysis of organochlorine pesticide residues in water and sediments
•    Waste water analysis  and Analysis of effluents
•    Heavy Metal analysis and quantification of its levels in various aspects of the environment with an aim of creating awareness and getting a green environment.
•    STEM: Establishing Science Centre: Towards promoting scientific thinking and climate change awareness
 
6.      Publications:   

1.    Julious Ochieng Ogola, Kennedy Olale, Richard Mogwasi, Obed Mainya. (2024). Organochlorine pesticide residues in water and sediments in River Kibos- Nyamasaria in Kisumu County; An inlet River of Lake Victoria, Kenya. Elsavier, Scientific African journal 23(2024). https://doi.org/10.1016/j.sciaf.2024.e02094
2.    Cherotich , E., Nyabaro, O., Rayori, D. M., & Evans, K. O. (2023). Assessment of Chemosit River pollution with urbanization of Chemosit Centre, Kericho County, Kenya. PAN AFRICA SCIENCE JOURNAL, 3(02). https://doi.org/10.47787/pasj.v3i02.19
3.    R Mogwasi, E Mobegi, O Nyabaro (2022). Advances in Translational Medicine, (p1-15). Inductively coupled plasma-mass spectrometry versus flame atomic absorption spectrophotometry for the analysis of Fe, Cu, Zn, Mn and Cr in medicinal plants: a comparison study. DOI:10.55976/atm.2202311321-15
4.    Rayori Douglas1, Getabu Albert1, O. Reuben1, Orina Paul1, Nchore Hellen1, Gisacho Boniface1, O. Nyabaro1, Argwings Omondi1, Omweno Job2Assessment of Heavy Metal Concentrations (Cu, Cd, Pb, and Zn) in Wastewater from Gusii Treatment Plant in Kisii County, Kenya. (2022). Pan Africa Science Journal. ISSN 2709-1473 - (2022) Environmental Ecology, Technology & Engineering Volume 01 – Issue 02. https://doi.org/10.47787/pasj.v1i02.12
5.    Obed Mainya Nyabaro1*, John Lusweti Kituyi2 and Evans K. Okemwa1 Assessment of Adulteration of Gasoline (MSP) and Diesel
(AGO), in Selected Fuel Stations in Kisii County. (2021). Journal of Analytical and Environmental Toxicology ISSN: 2161-0525-(2021) Volume 11, Issue 6.
6.    Obed Mainya Nyabaro2, John Lusweti Kituyi3, Peter Kinyanjui2 Assessment of Concentration of Selected Heavy
Metals (Pb, Cu, Cd, Zn) In Soils Within the Nyambera
Dumpsite. Evans Okemwa1, (2020).
DOI: 10.29322/IJSRP.10.06.2020.p102121

7.    Nyabaro Obed Mainya1, Lusweti Kituyi2, Tabitha Wanjau1, Evans Okemwa1 (2020). Analysis of Tuber Maturity on Levels of Acrylamide in Selected Solanum tuberosum Products (Chips and Crisps). DOI:
10.29322/IJSRP.10.05.2020.p101118
http://dx.doi.org/10.29322/IJSRP.10.05.2020.p10111

8.    Obed Mainya Nyabaro1 , Tabitha Wanjau1 , Lusweti Kituyi2(2019).EFFECT OF TEMPERATURE ON ACRYLAMIDE IN POTATO (Solunum tuberosum) CHIPS. 10.24940/ijird/2019/v8/i3/FEB19001. http://52.172.159.94/index.php/ijird_ojs/article/view/143857

9.    Nyabaro Obed Mainya1, Lusweti Kituyi2 and Tabitha Wanjau1 (2019). ANALYSIS OF LEVELS OF ACRYLAMIDE IN (Solanum tuberosum) POTATO CHIPS AND CRISPS. https://www.academia.edu/38309018/ANALYSIS_OF_LEVELS_OF_ACRYLAMIDE_IN_SOLANUM_TUBEROSUM_POTATO_CHIPS_AND_CRISPS

10.    Nyabaro Obed Mainya2 and Edwin Makworo3(2018).Designing and Developing Micropipette using the Open Source Ware and 3d Printer. Douglas Mosoti Rayori1, http://www.journalijar.com/current- issue/?mn=01&yr=2018&&Ln=upload21863

11.    Makworo E. Obwoge1, Nyabaro O. Mainya2, Douglas Mosoti3Opportunities and Challenges of Application of 3D Printing Technology in Teaching and Learning in Developing Countries in Africa. (2018). International Journal of Science and Research (IJSR) ISSN (Online): 2319-7064 .Index Copernicus Value (2016): 79.57 | Impact Factor (2015): 6.391. www.ijsr.net/archive/v7il/search_paperidphp (paper ID: ART20179745).

12.    Omanwa M. Erick1, Nyabaro M. Obed2, Patrick K. Tum3 Analysis of the Levels of Selected Heavy Metals in the Vicinity of A Lead Batteries Recycler Plant in Athi-River, Kenya. (2016). International Journal of Advanced Research (IJAR) ISSN 2320-5407. journalijar.com
13.    Patrick Kimutai Tum1 and Nyabaro Obed Mainya2 (2015).Extraction and Analysis of Essential Oils from Cypress Species (Cupressus lusitanica and Taxodium distichum) from Selected Areas in Kenya.  The International Journal of Science and Technoledge www.theijst.com ISSN  2321 – 919X
14.    Isaboke Peter Abel1, Njagi Njomo2, Obed Nyabaro1, Evans Kenanda Okemwa1(2015). Determination of Selected Heavy Metals Using Modified Glassy-Carbon Black Infused with clay. International Journal of Science and Research (Ijsr) Https://Www.Ijsr.Net/Archive/V5i7/Search_Author.Php. Issn (Online): 2319-7064

15.    Nyabaro Obed Mainya1, Patrick Tum2, Rayori Mosoti Douglas1(2016). Optimization of Essential Oil Extraction from Eucalyptus grandis Leaves by Clevenger Distillation. International Journal of Science and Research (IJSR) https://www.ijsr.net/archive/v5i7/search_author.php. ISSN (Online): 2319-7064
16.    Omoko Bochaberi Janes1, Onyatta John2, Nyabaro Obed1, Kenanda Okemwa Evans1(2015). Level of Metal Pollutants in Water from Nyakomisaro Stream through Kisii Town. International Journal of Science and Research (IJSR) https://www.ijsr.net/archive/v5i7/search_author.php. ISSN (Online): 2319-7064
17.    Mainya Nyabaro Obed1. (2015). Reduction of pollution of  Dyes using TiO2. Repository home United States international university. URI: http://hdl.handle.net/11732/1700
18.    Patrick K. Tum1, Nyabaro M. Obed2 and Muthoka Titus3(2015). Factors Influencing Photocatalytic Degradation of Acid Orange II and Methylene Blue Dyes on TiO2 Catalyst. International Journal of Scientific and Educational Studies (IJSES)  http://ijses.net/october-issue-volume-1-issue-1/ Determination of Pollution Levels of Waste Water from Nakuru Tanners, Kenya

19.    Johnston Kosgey1, Jesang Koech2, Stephen Bunyasi3, Kipkemoi Bett4, Titus M. Muthoka5, Obed M. Nyabaro6 (2014). Determination of Heavy Metals Pollutants in Sediments along the Banks of Athi River Machakos County, Kenya. International journal of Science and Technology http://ejournalofsciences.org/archive_July_2015.php

20.    Nyabaro Obed Mainya1, Patrick Tum2, Titus M. Muthoka3(2014).  Photodegradation and Adsorption of Methyl Orange and Methylene Blue Dyes on TiO2 International Journal of Science and Research (IJSR)
http://www.ijsr.net/archive/v4i4/v4i4_06.php
21.    Nyabaro Obed M1, Mosoti Douglas1, Muthoka Titus M2 and Onyancha Evans1 (2014).Determination of Pollution Levels of Waste Water from Nakuru Tanners, Kenya. African Journal of Education, Science and Technology Vol. 1, No.3
http://ajest.info/index.php/ajest/article/view/182

22.    Nyabaro Obed Mainya (Kisii University) Letter Written in the Year 2070, A Case Study in Kisii County. https://kenyasocialscienceforum.files.wordpress.com/2014/07/final-kisii-university-conference-programme-july-30-august-2-2014-final.pdf

CONFERENCES AND WORKSHOPS
1.    East Africa Chamber of Commerce Trade Conference (EACC). 11th Annual Trade investment conference 11th- 13th October 2018, Omni Mandalay hotel, 221 East Las Collinas Ave, Irving, TX 75039, USA. Theme: Forging Deeper Relationships via Investment, Trade and Innovation.
2.    Workshop on 3D printing Technology in Education, Kisii University Old moot court, Science Complex 29th May 2018.
3.    Teaching and Research in Natural Sciences for Development in Africa (TReND). Open Labware workshop in the college of medicine of the University of Ibadan, Lagos, Nigeria 3D Printing your own lab Equipment.  June 26th - July 8th 2017.
4.    Supervision of postgraduate students on data collection and thesis writing, Kisii University 14th June 2017.
5.    Gender based violence workshop during the 16 days of activism, Kisii University in collaboration with the Kisii County Government 3rd December 2015.
6.    1st Great Learners of Africa Communiqué (Glac) International Conference Programme In Collaboration With Progressive Sustainable Developers Nepal (Psd-Nepal) THEME: Realizing Africa Development For The Attainment Of Sustainable Development Goals (Sdgs) DATES: November, 30th to December, 2nd, 2015 VENUE: Community Centre, University Of Eastern Africa, Baraton, Kapsabet, Nandi County, Kenya. Article: Photodegradation and Adsorption of Methyl Orange and Methylene Blue Dyes on TiO2. By Obed Mainya, Kisii University.
7.    Eastern African Multidisciplinary Annual Research Conference (EAMARC2) THEME: Transforming Africa through Indigenous Applied Research ARTICLE: Reduction of pollution of dyes using TiO2.
8.    GC-MS WORKSHOP 24TH-28TH AUGUST 2015, JKUAT-A versatile analytical technique for mixture component Identification and Quantification.
9.    Pan Africa Chemistry Network, Procter & Gamble, Royal Society of chemistry Symposium NOVEMBER 4/5th 2014 venue University of Nairobi.
10.    First Annual International Conference on: Africa and the New World Order, Kisii University (KSU) Main Campus, Kisii, Kenya: July 30th to august 2nd, 2014.

7.      Classes taught:   

Chem 819- Advanced Chemical Kinetics
Chem 817-Advanced Chemical Thermodynamics
Chem 417-Radiation and Nuclear Chemistry
BSPC- Pollution Process Control
Chem 410- Metallurgy
BSPC 410- Applied Analytical Chemistry
Chem 323- Chemical Kinetics
BSPC 313- Chemical Manufacturing Processes
Chem 304- Environmental Chemistry
Chem 211- Physical Inorganic Chemistry


8.      Other relevant links:   

https://scholar.google.com/citations?user=DvaQ56YAAAAJ&hl=en

9.  Official Contact Details:   

omainya@kisiiuniversity.ac.ke