Physical Sciences staff
Dr. Eunice Marete
Director Quality Assurance , Senior Lecturer Organic Chemistry
Eunice Marete
Email: emarete@must.ac.ke
Position Name
Director Quality Assurance
Senior Lecturer Organic Chemistry
Path/Education:
May 2006 – Dec 2009
PhD in Food Science, University College Dublin-Ireland
Thesis title: Medicinal plants as potential sources of nutraceuticals in beverages
Mar 2003-Dec 2005
MSc. Chemistry, Jomo Kenyatta University of Agriculture and Technology-Kenya
Thesis title: Phytochemical and anti-microbial studies of isolates from Senecio lyratipatitus (Asteraceae).
Mar 1996 – Dec 1999
Bachelor of Science in Chemistry, Jomo Kenyatta University of Agriculture and Technology-Kenya
Project title: Biological studies of the rootbark of Dombeya torrida.
Research Description
Research interests include extraction, isolation and characterisation of bioactive constituents from plants and their possible incorporation into food and beverages.
Awards and Honors
- Erasmus Exchange grant by the European Commission 2018-2020, Partner institution, University College Dublin
- MUST research fund – Project Title: Research and research output in Universities: A case study of Meru University of Science and Technology, Kenya.
- National Commission for Science, Technology and Innovation, 3rd call women scientists for 2011/2012. Project Title: Value addition of Avocado (Persea americana) by incorporating its by-products into food and beverages.
Professional Membership
Kenya Universities Quality Assurance Network
Awards and Honors
Selected Publications
BOOK CHAPTER
Harbourne, N., Marete, E., Jacquier, J.C., O’Riordan, D. (2013) ‘Conventional extraction techniques for phytochemicals’ In: Handbook of Phytochemicals: sources, stability and extraction. England: Wiley-Blackwell.
JOURNAL PUBLICATIONS
- Elaine M. Drummond, Niamh Harbourne, Eunice Marete, C. Jacquier, Dolores O’Riordan, Eileen R. Gibney. (2013). An In Vivo Study Examining the Anti-inflammatory Effects of Chamomile, Meadowsweet, and Willow Bark in a Novel Functional Beverage. Journal of Dietary Supplements. 10, (4): 370-380.
- Githinji, L. Gitu, E. Marete, M. Githua, M. Mugo, and E. N. Mbaka (2013). Quantitative Analysis of Total Phenolic Content in Avocado (Persia Americana) Seeds in Eastern Province of Kenya. Chemistry and Materials Research, 4 (10): 48-51.
- Elaine M Drummond, Niamh Harbourne, Eunice Marete, Danika Martyn, J-C Jacquier, Dolores O’Riordan, Eileen R Gibney. (2012). Inhibition of Proinflammatory Biomarkers in THP1 Macrophages by Polyphenols derived from Chamomile, Meadowsweet and Willow bark. Phytotherapy Research. 27 (1): 588-594.
- Harbourne N, Marete E, Jacquier J. C, O’Riordan D. (2011). Stability of phytochemicals as sources of anti-inflammatory nutraceuticals in beverages. A Review. Special issue, Food Research International. 50 (2): 480-486.
- Marete E. N, Jacquier J. C, O’Riordan D. (2011). Feverfew as a source of nutraceuticals for functional foods: storage stability in model beverages. Journal of Functional Foods, 3: 38-43.
- Marete E. N, Jacquier J. C, O’Riordan D. (2010). Effect of processing temperature on the stability of parthenolide in acidified feverfew beverages. Food Research international. 50 (2): 593-596.
- Marete E. N, Jacquier J. C, O’Riordan D. (2009). Effects of extraction temperature on the phenolic, parthenolide and colour of aqueous feverfew (Tanacetum parthenium) extracts. Food Chemistry, 117: 226-231
- Harbourne N, Marete E, Jacquier J. C, O’Riordan D. (2009). Effect of drying methods on the phenolic constituents of meadowsweet (Filipendula ulmaria) and willow (Salix alba). LWT–Food Science and Technology, 42: 1468-1473.
Dr. Richard Boiyo
Lecturer: Atmospheric Physics and Environment Project coordinator: Fourth Year Physics Students
Richard Boiyo
Email: rkipkemboi@must.ac.ke
Position Name
Lecturer: Atmospheric Physics and Environment
Project coordinator: Fourth Year Physics Students
Path/Education:
B.Ed Science: Physics & Math (Moi University).
M.Sc Physics: Environment Physics (Kenyatta University).
P.hD Atmospheric Physics & Atmospheric Environment
(NUIST, China)
Research Description
Dr. Richard Boiyo recognizes challenges presented by the atmosphere and climate, motivating him to research into Atmospheric optics and radiation (Optical, microphysical and radiative properties) based on comprehensive observations and multi-scale simulations & modelling.
Awards and Honors
2018 Outstanding International Graduate
2018 Specialized award for academic excellence (2018), NUIST
2018: Excellent International Student Scholarship
2017: Chinese Scholarship Council
2017: Specialized award for academic excellence (2017), NUIST
2016: Specialized awards for academic excellence (2016), NUIST
2015: Chinese Government Scholarship
2014: African Development Bank Scholarship
2005: First Class Honors, Moi University
Professional Membership
Physics Society of Kenya
Selected Publications
- Boiyo R, Kumar KR, Zhao T. 2018. Optical, microphysical and radiative properties of aerosols over a tropical rural site in Kenya, East Africa: Source identification, modification and aerosol type discrimination. Atmospheric Environment. 177: 234–252. https://doi.org/10.1016/j.atmosenv.2018.01.018.
- Boiyo R, Kumar KR, Zhao T. 2018. Spatial variations and trends in AOD climatology over East Africa during 2001–2015: A comparative study using three satellite datasets. International Journal of Climatology. https://doi.org/10.1002/joc.5446.
- Boiyo R, Kumar KR, Zhao T. 2017. Statistical inter-comparison and validation of multisensory aerosol optical depth retrievals over three AERONET sites in Kenya, East Africa. Atmospheric Research. 197:277–288.
https:// doi.org/10.1016/j.atmosres.2017.07.012.
- Boiyo R, Kumar KR, Zhao T, Bao Y. 2017. Climatological Analysis of Aerosol Optical Properties over East Africa Observed from Space-Borne Sensors during 2001–2015. Atmospheric Environment. 152: 298–313. https://doi.org/10.1016/j.atmosenv.2016.12.050.
- Kumar KR., Boiyo R., Madina A., Kang N., Guo J. 2018. A 13-year study on variations of atmospheric aerosol optical properties over Kazakhstan from remotely sensed satellite data. Journal of Atmosheric and Solar Terrestrial Physics. 179: 55–68. https://doi.org/10.1016/j.jastp.2018.06.014
- Aklesso, M., Kumar, K. R., Bu, L., Boiyo, R. Analysis of spatial-temporal heterogeneity in remotely sensed aerosol properties observed during 2005–2015 over three countries along the Gulf of Guinea Coast in Southern West Africa. Atmospheric Environment, 182: 313–324. https://doi.org/10.1016/j.atmosenv.2018.03.062
- Hu K, Kumar KR, Kang N, Boiyo R, Wu J. 2018. Spatial-temporal characteristics of aerosols and changes in trends over China with recent MODIS Collection 6 satellite data. Environmental Science and Pollution Research. 25: 6909-6927. https://doi.org/10.1007/s11356-017-0715-6.
- Memeu, D. M. and Boiyo R. 2017. Suitable Image Features for Drought Stress Detection in Beans using Raspberry PI Imaging System. International Journal of Innovations in Engineering and Technology (IJIET). International Journal of Innovations in Engineering and Technology (IJIET). ISSN: 2319-1058. http://dx.doi.org/10.21172/ijiet.81.001
- Mito, C. O., Boiyo, R., and Laneve, G. 2012. A simple algorithm to estimate sensible heat flux from remotely sensed MODIS data. Int. International Journal of Remote sensing. 33: 6109–6121. http://dx.doi.org/10.1080/01431161.2012.680616
Waswa M.N., Boiyo K., Riara, M.M. 2013.Characterization and study of Biodegradation Effect on the Creep Behavior of High Density Polyethylene/Cellulose Blend. International Journal of Biotechnology and Biochemistry. 9: 115126.
Dr. Julius Ratumo Toeri
Chair of Department Lecturer Inorganic and Physical Chemistry Student Advisor: First Year
Ratumo J. Toeri
Email: jratumo@must.ac.ke
Position Name:Chair of Department
Lecturer Inorganic and Physical Chemistry
Student Advisor: First Year
Path/Education:
BSc Chemistry (Moi University)
M.Phil Inorganic Chemistry (Moi University)
Dr. rer. nat. Inorganic Chemistry and Materials Chemistry (University of Freiburg – Germany)
Research Description
Novel chitosan membranes for wastewater purification
Awards and Honors
German Academic Exchange Program (DAAD) Scholarship
Professional Membership
American Chemical Society
Kenya DAAD Scholars Association
IUPAC Affiliate Member
Selected Publications
(1) Toeri, J.; Laborie, M.-P. Synthesis and Characterization of Macrocyclic Polyether N,N′-Diallyl-7,16-Diaza-1,4,10,13-Tetraoxa-Dibenzo-18-Crown-6. Molecules 2016, 21 (2), 171.
(2) Toeri, J.; Laborie, M.-P. Effects of Grafting Azacrown Ether on Thermal and Swelling Properties of Chitosan Films. ChemEngineering 2017, 1 (2), 16.
(3) Toeri, J.; Osorio-Madrazo, A.; Laborie, M.-P. Preparation and Chemical/Microstructural Characterization of Azacrown Ether-Crosslinked Chitosan Films. Materials 2017, 10 (4), 400.
(4) Toeri, J.; Kagwanja, S. M.; Lusweti, J. K.; Muthakia, G. K. Redox and Spectroscopic Properties of Heterobinuclear Complexes of Cobalt(III) Schiff Bases and Chloronitrosyl Molybdenum Fragments. IJPP 2010, 2 (1), 77–85.
Dr. Cyprian Muturia
Email: cmuturia@must.ac.ke
Position Name:
Senior Lecturer Inorganic Chemistry
Program Leader: Proposed MSc Chemistry
Student Advisor: Fourth Year
Path/Education:
Research Description
Awards and Honors
Professional Membership
Awards and Honors
Selected Publications
Erastus Mwangi
Email:
Position Name:
Lecturer Organic Chemistry
Program Leader: BSc Physical Sciences
Path/Education:
Education
Research Description
Awards and Honors
Professional Membership
Awards and Honors
Selected Publications
Dismus Wamalwa
Email:
Position Name:
Senior Lecturer Theoretical Physics
Program Leader: MSc Physics
Student Advisor: Second Year
Path/Education:
Education
Research Description
Awards and Honors
Professional Membership
Awards and Honors
Selected Publications
MSc. Phyllis Makena
Email:
Position Name
Path/Education:
Education
Research Description
Awards and Honors
Professional Membership
Awards and Honors
Selected Publications
MSc. Bendibbie Mulwa
Email:
Position Name
Path/Education:
Education
Research Description
Awards and Honors
Professional Membership
Awards and Honors
Selected Publications
Lalai Ntongai
Email:
Position Name
Path/Education:
Education
Research Description
Awards and Honors
Professional Membership
Awards and Honors
Selected Publications
Julius Muriungi
Email:
Position Name
Path/Education:
Education
Research Description
Awards and Honors
Professional Membership
Awards and Honors
Selected Publications