Title/Qualifications: PhD.
Department/Unit/Section: Physics
Position: Lecturer
Area of Specialization: Environmental, Radiation and Nuclear Physics

Research Intetests: Radon, thoron, ionising radiation, modeling, heavy metals

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PERSONAL SUMMARY

Dr. Margaret Chege holds a Bachelor of Education (Science) degree in Mathematics and Physics from Egerton University and a Master of Science degree in Environmental Physics from Kenyatta University. She obtained her Ph.D. in Environmental Physics from Kenyatta University in 2014. Her PhD research focused on mathematical modelling of radionuclide transport and transfer, radon and thoron in mud-walled dwellings, naturally occurring radionuclides in soil, building materials, crops and well water, and heavy metals in well water. Her PhD work was funded by the National Commission for Science, Technology and Innovation, NACOSTI (Grant No. NCST/5/003/4th CALL PhD/). Dr. Chege is currently a lecturer in the Department of Physics, Kenyatta University - Mombasa Campus, where she is involved in teaching, research and supervision of M.Sc. and Ph.D. students. Before joining the University, she worked under the TSC as a Physics lecturer at Kagumo Teachers Training College and prior to that as a high school teacher, teaching Mathematics and Physics in various high schools around the country. Dr. Chege has authored peer-reviewed articles and participated in national and international conferences and workshops.

 

Selected Publications

  1. Chege and C. Nyambura, 2019. Review of radon and thoron research in Kenya: 1997–2017. Radiation protection dosimetry, 183(3-4); 479-481
  2. Chege, N. Hashim, C. Nyambura, A. Mustapha, M. Hosada and S. Tokonami, 2019. Radon and thoron; radioactive gases lurking in earthen houses in rural Kenya. Frontiers in Public Health, 2019, 7; 113. https://doi.org/10.3389/fpubh.2019.00113
  3. W. Chege aand JM Kebwaro, 2019. Validation of popular models used in the analysis of specific activity of primordial radionuclides in environmental samples through 1-D analytical modeling. Radiation environment and medicine, 8(2); 45-50.
  4. Nyambura, S. Tokonami, N.O. Hashim, M.W. Chege, T. Suzuki, H. Kudo and M. Hosoda, 2019. Annual effective dose assessment due to radon and thoron progenies in dwellings of Kilimambogo, Kenya. Radiation Protection Dosimetry, 184(3-4); 430–434, https://doi.org/10.1093/rpd/ncz090
  5. W. Chege, N. Hashim, A.S. Merenga, O. Meisenberg and J. Tschiersch, 2015. Estimation of annual effective dose due to radon and thoron concentrations in mud dwellings of Mrima Hill, Kenya. Radiation Protection Dosimetry,167(1-3);139-42. doi: 10.1093/rpd/ncv231
  6. W. Chege, N.O. Hashim, A.S. Merenga and J. Tschiersch, 2015. Analysis of internal exposure associated with consumption of crops and groundwater from the high background radiation area of Mrima Hill, Kenya. Radiation protection dosimetry, 167(1-3); 276-278

Conferences

  1. Chege and C. Nyambura. Thoron: The Unrecognized Carcinogen in Earthen Dwellings Typical to Rural Africa and Asia. 9th International Symposium on Naturally Occurring Radioactive Material. 23-27 September 2019, Denver, Colorado, USA
  2. Chege and C. Nyambura. Review of radon and thoron research in Kenya: 1997-2017. 9th International Conference on High Level Environmental Radiation Areas, 24-27 September, 2018, Hirosaki University, Aomori, Japan.
  3. W. Chege, N.O. Hashim, A.S. Merenga, O. Meisenberg and J. Tschiersch. Thoron exhalation rate and Th-232 content in traditional building materials used in the coastal region of Kenya. 14th International Congress of the International Radiation Protection Association, 9-13 May, 2016, Cape Town, South Africa.
  4. W. Chege, N.O. Hashim, A.S. Merenga, O. Meisenberg and J. Tschiersch. Estimation of annual effective dose due to radon and thoron concentrations in mud dwellings of Mrima Hill, Kenya. The 9th International Symposium on Natural Radiation Environment, 23 - 26 September, 2014, Hirosaki, Aomori, Japan.
  5. W. Chege, N.O. Hashim, A.S. Merenga, and J. Tschiersch. Total metal concentration measurement of well water in Mrima Hill region, Kwale County, Kenya. Environmental Health 2013, 3-6 March 2013, Boston, USA.

Websites

  1. Physics Blog (Ma-Physics-Kenya); https://www.physics.radonkenya.org/
  2. Kenyan Radon Association (KeRA); https://radonkenya.org/