- M. J. Gatari Gichuru (2020). 2017-2019 Estimated monthly human breathing height PM2.5 data from a single sampling Site in Nairobi, Kenya. Proceedings of EAC 2020 Online Conference, RWTH International Academy gGmbH, Aachen, Germany, August 31 - September 4, 2020.
- Michael J. Gatari (2020). Impacts of vehicular pollution emissions on climate change in Kenya; and contribution of short lived climate pollutants. Kenya short-Lived Climate Polutants (SLCP) workshop; online on 30-05-2020, Nairobi.
- Michael Gatari, Simion Bartilol and David Ng’ang’a (2020). Status of air quality measurement, management: Research Perspectives. County Governments workshop; online on 30-03-2020, Nairobi.
- Anne Wambui Mutahi, Laura Borgese, Michael J. Gatari, Fabjola Bilo, Annalisa Zacco, Laura Eleonora Depero (2020). Comparison of rural and urban particulate matter and black carbon composition in Kenya. Proceedings of EAC 2020 Online Conference, RWTH International Academy gGmbH, Aachen, Germany, August 31 - September 4, 2020.
- Michael J. Gatari (2020). Keynote Speaker: Air Pollution, COVID-19 and other health risks. National Conference on Energy, Air Quality and Health Nexus; online 10 – 11 September 2020, Nairobi.
- Kimande Jethro Wanjala, Michael J. Gatari (2020). Estimation of the Temperature Variations in Three Phase Distribution Transformers Using Infrared Thermography. 3rd Annual Architecture and Engineering Conference Program; online 12 -14 October 2020, Nairobi.
- Jimmy Ndung’u Gitau, Michael J. Mangala, Geoffrey O. Okengo (2020). Investigation of Feed Dynamics in Clinker Milling at National Cement Company, Athi River: Radiotracer Applications. 3rd Annual Architecture and Engineering Conference Program; online 12 -14 October 2020, Nairobi.
- Lynda Kanguha Wamere, Michael J. Mangala, Geoffrey O. Okeng’o (2020). Assessment of Heavy Metals Pollution Using XRF Spectrometry– A Case Study of Kilimapesa Hill Gold Mines. Processing Plant area, Narok County. 3rd Annual Architecture and Engineering Conference Program; online 12 -14 October 2020, Nairobi.
- Fredric Kamau, Michael J. Gatari (2020). Investigation of the Applicability of Electrohydrodynamic Atomisation in Odorisation in High-Pressure Gas Supply Lines. 3rd Annual Architecture and Engineering Conference Program; online 12 -14 October 2020, Nairobi.
- Nancy Nyawira, Michael J. Gatari (2020). Assessment and Mapping of Black carbon and PM 2.5 variability: A case study in Nairobi city. 3rd Annual Architecture and Engineering Conference Program; online 12 -14 October 2020, Nairobi.
- Wilson M. Kairu, Michael M. Gatari, Michael J. Mangala, Michael L. Muia, Siphila W. Mumenya (2020). Application of Non-Destructive Testing methods for Structural Health Assessment of Reinforced Concrete in Buildings in Nairobi. 3rd Annual Architecture and Engineering Conference Program; online 12 -14 October 2020, Nairobi.
- Gedion K. Kibet, Michael J. Mangala, Michael Gatari (2020). Assessment of Radiological Patient Exposure Level for Computed tomography scanning examinations: a case study at the Nairobi Hospital, Kenya. 3rd Annual Architecture and Engineering Conference Program; online 12 -14 October 2020, Nairobi.
- C.Kemboi, M.Gatari, L.W.Njenga (2020). Micronutrient Screening of Maize Plants: A Case Study of Field Applicability of Portable X-Ray Fluorescence (pXRF) Spectrometer. 3rd Annual Architecture and Engineering Conference Program; online 12 -14 October 2020, Nairobi.
- Lusi Spencer Kirawa, Ayub N. Gitau, Michael M. Gatari (2020). Comparative Evaluation of the Components of Biogas Digestate Slurries and Effects on Agricultural Soils. 3rd Annual Architecture and Engineering Conference Program; online 12 -14 October 2020, Nairobi.
- Kilel Kennedy, Mangala Michael, Gatari Michael, Mathu Eliud, Koech Nehemiah (2019). Characterizing Sediments for Black Sands as Possible Radiotracer for Sediment Transport Studies. 8th International Conference on Tracers and Tracing Methods, Da Nang, Viet Nam; 26 to 28 February 2019, pp 58-59.
- Kirago Leonard, Kiriinya Lindah, Ng'ang'a David, Gatari Michael, Andersson August (2019). Isotope Tracing Application in Source Apportionment of Tropospheric Black Carbon in Nairobi, Kenya. 8th International Conference on Tracers and Tracing Methods, Da Nang, Viet Nam; 26 to 28 February 2019, pp 54.
- Wilson Macharia Kairu, Michael Gatari, Michael Mangala, Wendy Adwet (2019). Gamma Scanning Application in Column Scanning. 8th International Conference on Tracers and Tracing Methods, Da Nang, Viet Nam; 26 to 28 February 2019, pp 103.
- Gitau Jimmy, Gatari Michael (2019). Radiotracer Investigation of Clinker Milling at East African Portland Cement. 8th International Conference on Tracers and Tracing Methods, Da Nang, Viet Nam; 26 to 28 February 2019, pp 174-175.
- Wilson Macharia Kairu, Michael Gatari, Michael Mangala, Wendy Adwet (2019). Application of Radiotracer Technology: Laboratory Experiments and Modelling using Flow Rig. 8th International Conference on Tracers and Tracing Methods, Da Nang, Viet Nam; 26 to 28 February 2019, pp 176.
- Stephen Karanja, Michael Mangala, Michael Gatari (2019). Radio graphic Examination of Local Fabricated Products (“Jua Kali”) in Kenya. 8th International Conference on Tracers and Tracing Methods, pp 105-106. Da Nang, Viet Nam; 26 to 28 February 2019.
- John Birir, Michael J. Gatari, Prabhu Rajagopal, Channel structured metamaterials for super resolution imaging, (O) 46th Annual Review of Progress in Quantitative Nondestructive Evaluation (QNDE2019), 14-19 July 2019, Oregon, USA
- Wilson M. Kairu, Michael J. Gatari, Michael L. Muia, Siphila W. Mumenya, Prabhu Rajagopal, Structural health monitoring of reinforced concrete structures using guided waves, (P), 46th Annual Review of Progress in Quantitative Nondestructive Evaluation (QNDE2019), 14-19 July 2019, Oregon, USA
- S.W. Karuga, M.J. Gatari, J.C.M. Marijnissen, E. M. Kelder, Morphological control of thin films: Application of electrospray technique, The European Aerosol Conference 2019 (EAC2019), 25-30 August 2019, Gothenburg, Sweden
- Johan Boman, Marie Thynell, Samuel Mwaniki Gaita, Michael Gatari, (209). An integrated inter-disciplinary approach to well-being, air quality management and sustainability in Nairobi. The European Aerosol Conference 2019 (EAC2019), 25-30 August 2019, Gothenburg, Sweden
- David Ng’ang’a, Michael Gatari, Francis Pope, Ajit Singh (2019). Low-Cost Sensors in Particulate Matter Measurements in Nairobi. Proceedings of European Aerosol Conference, Gothenburg, Sweden; 25 to 30 August 2019, P2-104.
- Michael Gatari (2019). Rooftop measurement of PM2.5, associated BC and extrapolated ground level concentrations in Nairobi, Kenya. Proceedings of European Aerosol Conference, Gothenburg, Sweden; 25 to 30 August 2019, P3-075
- Kilel Kennedy, Mangala Michael, Gatari Michael, Mathu Eliud, Koech Nehemiah (2019). Characterizing Sediments for Black Sands as Possible Radiotracer for Sediment Transport Studies. 8th International Conference on Tracers and Tracing Methods, Da Nang, Viet Nam; 26 to 28 February 2019, pp 58-59.
- Wendy Adwet, Harish Pant, Michael Mangala, Willis Ambusso (2019). Evaluation of hydraulic performance of an anaerobic pond using radiotracer technique. 8th International Conference on Tracers and Tracing Methods, Da Nang, Viet Nam; 26 to 28 February 2019, pp 47-48.
- Collins Omondi, Micheal Mangala (2019). Application of radiotracer techniques for geothermal. Reservoir management in Kenya. 8th International Conference on Tracers and Tracing Methods, Da Nang, Viet Nam; 26 to 28 February 2019, pp 114.
- Michael Gatari, Current Knowledge on Ambient and Indoor Air Quality in Kenya: The challenges now and in the near future. (O), Workshop on Kenya Healthy Brain Project: “Maternal Child Environmental Health Research, Practice and Policy”, 5-6 August 2019, Nairobi.
- David Ng’ang’a, Michael Gatari, Filling the Gaps: Application of Low-Cost Sensors in PM Monitoring in Nairobi, Kenya. (O), Workshop on Kenya Healthy Brain Project: “Maternal Child Environmental Health Research, Practice and Policy”, 5-6 August 2019, Nairobi.
- Ezekiel W. Nyaga, Michael J. Gatari, A Preliminary Attempt to Correlate Satellite Data with Ground-Based Measurements of PM2.5 in Nairobi, Kenya, (O), Workshop on Kenya Healthy Brain Project: “Maternal Child Environmental Health Research, Practice and Policy”, 5-6 August 2019, Nairobi.
- Ezekiel Waiguru, Michael Gatari, David Ng’ang’a, Eloise Marais, Andrea Mazzeo, Calibration of HDM-4 Emission Models for Nairobi Conditions, , (O), Health, Environment and Climate Change Conference, 2-3 December 2019, Safari Park Hotel, Nairobi
- Ng’ang’a D., Gatari M. J. (2018). Preliminary Measurements of PM2.5 in Nairobi: IAEA Regional Project in Africa. Poster Presentation in Proceedings of Air pollution in Emerging Mega-Cities: Sources, Evolution, Impacts, Nairobi, Kenya, 16–20 April 2018
- Kirago L. M., Gatari M. J., Mwangi N. N. (2018). A Short Review of Black carbon Measurements in PM2.5, in Nairobi, Kenya. Poster Presentation in Proceedings of Air pollution in Emerging Mega-Cities: Sources, Evolution, Impacts, Nairobi, Kenya, 16–20 April 2018
- Mutahi A. W., Borgese L., Gatari M. J., Zacco A., Bilo F., Marmai S., Volante M., Bontempi E., Depero L. E. (2018). A New Approach for Indoor Air Sampling and Chemical Characterization Using TXRF. Poster Presentation in Proceedings of Air pollution in Emerging Mega-Cities: Sources, Evolution, Impacts, Nairobi, Kenya, 16–20 April 2018
- Panchal R., Hey J. V., Ogot M., Gatari M., Nyangaya J. (2018). Development of an Air Quality Monitoring Programme for Nairobi. Proceedings of Air pollution in Emerging Mega-Cities: Sources, Evolution, Impacts, Nairobi, Kenya, 16–20 April 2018
- Ng’ang’a D., Gatari M. J., Kiriinya L. K., Gaita S.M. (2018). EDXRF and Multivariate Statistics in Source Identification of PM2.5. Presentation in Proceedings of International Inorganic Chemistry conference, Nairobi, Kenya, 22-24 May 2018
- E. G. Maina, A. N. Gachanja, M. J. Gatari, H. Price (2018). PM2.5 and Road-Side Dust Pollution by Heavy Metals Along Thika Superhighway in Kenya, Sub- Saharan Africa. Proceedings of International Inorganic Chemistry conference, Nairobi, Kenya, 22-24 May 2018
- Nguli M., Gatari M. J., Shepherd K., Njenga L. (2018). Assessment of Selected Micronutrients in Common Beans in Kenya. Proceedings of International Inorganic Chemistry conference, Nairobi, Kenya, 22-24 May 2018
- L.K. Kiriinya, N. Nyambane, M.J. Gatari, L.L.F. Agostinho and J.C.M. Marijnissen (2018). Application of electrospray in thermal desalination in tropical countries. WM1-07 Presentation in Proceedings of Aerosol Technology (AT2018) Conference, Bilbao, Spain, 18 -20 June 2018
- N. Nyambane, M.J. Gatari, L.L.F. Agostinho and J.C.M. Marijnissen (2018). Effect of droplet size in EHDA simple-jet mode without/with whipping break-up on evaporation. MP-18 Poster in Proceedings of Aerosol Technology (AT2018) Conference, Bilbao, Spain, 18 -20 June 2018
- S.W. Karuga, M.J. Gatari, J.C.M Marijnissen, E.M. Kelder (2018). Electrospray synthesis of porous cathode material for lithium ion batteries. TP-07 Poster in Proceedings of Aerosol Technology (AT2018) Conference, Bilbao, Spain, 18 -20 June 2018
- F. Kariithi, L. Manna, S. Verdoold, M.J. Gatari, J.C.M. Marijnissen, L.L.F. Agostinho (2018). An electric current-based monitoring system for EHDA of natural gas odorants. MP-16 Poster in Proceedings of Aerosol Technology (AT2018) Conference, Bilbao, Spain, 18 -20 June 2018
- Gichuru M. J. G. (2018). Roadside air quality Measurements in Nairobi: Short studies contribution by Graduate Students of University of Nairobi. Presentation in proceedings of Development Research (DevRes18) Conference, Gothenburg, Sweden, 18-30 August 2018
- Boman J., Thynell M., Gaita S. M., Gatari M. (2018). An integrated inter-disciplinary approach to well-being, air quality management and city development in Nairobi. Presentation in proceedings of Development Research (DevRes18) Conference, Gothenburg, Sweden, 18-30 August 2018
- L.K.Kiriinya L. K., Mailu M., Njoroge D., Gatari M. J. (2018). Quality Control in the Solar Energy Sector: The case of Solar Lighting. Proceeding of a 1st Annual Architecture and Engineering Conference (AEC2018), University of Nairobi Towers, Kenya, 22-24 Oct 2018
- David Ng’ang’a D., Maina L. K., Gatari M. J. (2018). EDXRF and Multivariate Statistics in Source Identification of PM2.5. Proceeding of a 1st Annual Architecture and Engineering Conference (AEC2018), University of Nairobi Towers, Kenya, 22-24 Oct 2018
- Mazzeo A., Burrow M., Quinn A., Singh A., Bakare H., Wodajo B. T., Rubarenzya M., Mbujje J., Gatari M., Pope F. (2018). Modelling the impact of road transport emissions on the air quality of different East African urban areas. Proceeding of a 1st Annual Architecture and Engineering Conference (AEC2018), University of Nairobi Towers, Kenya, 22-24 Oct 2018
- M. J. Gatari Gichuru, A. W. Mutahi, C. W.Gachara (2017). TXRF in Identification of Pollutant Species Affecting Mt. Kenya Glaciers. Proceedings of International Conference on Total Reflection X-Ray Fluorescence and related Methods, Brescia, Italy, 19 – 22 September 2017.
- M. Nguli, M. J. Gatari, K. Shepherd, L. Njenga (2017). Essential Micronutrient Levels in Common Beans in Kenya. Proceedings of International Conference on Total Reflection X-Ray Fluorescence and related Methods, Brescia, Italy, 19 – 22 September 2017.
- Ondimu, V. A. Ganesan, M. J. Gatari, J.C.M. Marijnissen, L.L.M. Agostinho (2017). Modeling the effect of lateral forces in the trajectories of droplets electrosprayed in the simple-jet mode. Proceedings of the European Aerosol Conference (EAC2017), Zurich, Switzerland, 27 August – 1 September 2017.
- L.K.Kiriinya, N. Nyambane, M.J. Gatari, L. L. F. Agostinho, J.C.M. Marijnissen (2017). Effect of EHDA in the simple jet mode with whipping break up on the evaporation ratio in thermal desalination system. Proceedings of the European Aerosol Conference (EAC2017), Zurich, Switzerland, 27 August – 1 September 2017.
- S.W. Karuga, M.J. Gatari, E.M. Kelder, J.C.M Marijnissen (2017). Solid-state electrolytes for lithium ion batteries: Application of electrospray technique. Proceedings of the European Aerosol Conference (EAC2017), Zurich, Switzerland, 27 August – 1 September 2017.
- C.W.Gachara, I. Kapasi, I. Hausz, J.C.M.Marijnissen, M.J Gatari, L.L.F.Agostinho (2017). Electrohydrodynamic Atomization of a non-Newtonian solution with high solid content. Proceedings of the European Aerosol Conference (EAC2017), Zurich, Switzerland, 27 August – 1 September 2017.
- A.W. Kamau, B. Boss, M. J. Gatari, J.C. M. Marijnissen, L.L.F. Agostinho (2017). Analysis of different liquid-liquid combinations and conditions for formation of a stable cone-jet mode in electrospray emulsification processes. Proceedings of the European Aerosol Conference (EAC2017), Zurich, Switzerland, 27 August – 1 September 2017.
- A.W. Kamau, M. J. Gatari, J.C. M. Marijnissen, L.L.F. Agostinho (2017). Stable cone-jet mode and droplet characteristics in electrospray emulsification. Proceedings of 23rd European Aerosol Conference (EAC2017), Zurich, Switzerland, 27 August – 1 September 2017.
- S. M. Gaita, E. S. Thomson, J. B. C. Pettersson, J. Boman, M. J. Gatari and A. Andersson (2017). Particle number and elemental concentrations at the Mount Kenya Global Atmospheric Watch Station. Proceedings of European Aerosol Conference (EAC2017). Zurich, Switzerland, 27 August – 1 September 2017
- L.K. Kiriinya, M.J.Gatari, T.K. Raiji (2017). Ecosystem management and sustainable livelihoods: A case study of north eastern Mt.Kenya region, Meru, Kenya. Proceedings of the 8th International Conference on Sustainability Transitions, Gothenburg, Sweden, 18 – 21 June 2017.
- M. J. G. Gichuru (2017). Tracers of High Altitude Pollution Sources and Impact on Mt. Kenya Ecosystem. Proceedings of the International Conference on Applications of Radiation Science and Technology (ICARST-2017), Vienna, Austria, 24 – 28 April 2017.
- M. J. Gatari Gichuru, A. W. Mutahi, C. W.Gachara (2017). TXRF in Identification of Pollutant Species Affecting Mt. Kenya Glaciers. Proceedings of International Conference on Total Reflection X-Ray Fluorescence and related Methods, Brescia, Italy, 19 – 22 September 2017.
- M. Nguli, M. J. Gatari, K. Shepherd, L. Njenga (2017). Essential Micronutrient Levels in Common Beans in Kenya. Proceedings of International Conference on Total Reflection X-Ray Fluorescence and related Methods, Brescia, Italy, 19 – 22 September 2017.
- Ondimu, V. A. Ganesan, M. J. Gatari, J.C.M. Marijnissen, L.L.M. Agostinho (2017). Modelling the effect of lateral forces in the trajectories of droplets electrosprayed in the simple-jet mode. Proceedings of the European Aerosol Conference (EAC2017), Zurich, Switzerland, 27 August – 1 September 2017.
- L.K.Kiriinya, N. Nyambane, M.J. Gatari, L. L. F. Agostinho, J.C.M. Marijnissen (2017). Effect of EHDA in the simple jet mode with whipping break up on the evaporation ratio in a thermal desalination system. Proceedings of the European Aerosol Conference (EAC2017), Zurich, Switzerland, 27 August – 1 September 2017.
- S.W. Karuga, M.J. Gatari, E.M. Kelder, J.C.M Marijnissen (2017). Solid-state electrolytes for lithium-ion batteries: Application of electrospray technique. Proceedings of the European Aerosol Conference (EAC2017), Zurich, Switzerland, 27 August – 1 September 2017.
- C.W.Gachara, I. Kapasi, I. Hausz, J.C.M.Marijnissen, M.J Gatari, L.L.F.Agostinho (2017). Electrohydrodynamic Atomization of a non-Newtonian solution with high solid content. Proceedings of the European Aerosol Conference (EAC2017), Zurich, Switzerland, 27 August – 1 September 2017.
- A.W. Kamau, B. Boss, M. J. Gatari, J.C. M. Marijnissen, L.L.F. Agostinho (2017). Analysis of different liquid-liquid combinations and conditions for the formation of a stable cone-jet mode in electrospray emulsification processes. Proceedings of the European Aerosol Conference (EAC2017), Zurich, Switzerland, 27 August – 1 September 2017.
- A.W. Kamau, M. J. Gatari, J.C. M. Marijnissen, L.L.F. Agostinho (2017). Stable cone-jet mode and droplet characteristics in electrospray emulsification. Proceedings of 23rd European Aerosol Conference (EAC2017), Zurich, Switzerland, 27 August – 1 September 2017.
- S. M. Gaita, E. S. Thomson, J. B. C. Pettersson, J. Boman, M. J. Gatari and A. Andersson (2017). Particle number and elemental concentrations at the Mount Kenya Global Atmospheric Watch Station. Proceedings of European Aerosol Conference (EAC2017). Zurich, Switzerland, 27 August – 1 September 2017
- L.K. Kiriinya, M.J.Gatari, T.K. Raiji (2017). Ecosystem management and sustainable livelihoods: A case study of north eastern Mt.Kenya region, Meru, Kenya. Proceedings of the 8th International Conference on Sustainability Transitions, Gothenburg, Sweden, 18 – 21 June 2017.
- M. J. G. Gichuru (2017). Tracers of High Altitude Pollution Sources and Impact on Mt. Kenya Ecosystem. Proceedings of the International Conference on Applications of Radiation Science and Technology (ICARST-2017), Vienna, Austria, 24 – 28 April 2017.
- M. J. G. Gichuru (2017). Application of Ionizing radiation in Studying Akaba and Masai Art Objects Made from Glass. Proceedings of the International Conference on Applications of Radiation Science and Technology (ICARST-2017), Vienna, Austria, 24 – 28 April 2017.
- M. J. Gatari (2017). Nuclear and Associated Techniques in research and education: Development of a knowledge-based society in Support of Kenya Vision 2030, a 2016 Research Activity Report. International Science Programme (ISP) Records, Uppsala, Sweden, March 2017.
- M. J. Gatari (2016). Application of nuclear and associated analytical techniques in research and Education, a 2017-2019 research grant proposal. Proceedings of International Science Programme (ISP) Reference Group Meeting, Nairobi, Kenya, 28 – 30 September 2016.
- O.M. Ondimu, V. A. Ganesan, M. J. Gatari, J.C.M. Marijnissen, L.L.M. Agostinho (2016). Modeling simple-jet mode EHDA droplets’ trajectories and spray pattern for a single nozzle system. Proceedings of 22nd European Aerosol Conference (EAC2016). Tours, France, 4 – 9 September 2016.
- Gichuru, Michael J. Gatari (2016). Air Pollution in Kenya: Knowledge Contribution by INST and Experienced Challenges. Proceedings of Panel 20: Air quality and climate effects in low-income countries: from observations to policy in a post-COP21 world, Development Research Conference 2016, Stockholm, Sweden, 22 - 24 August 2016.
- Gichuru, Michael J. Gatari (2016). Air Quality in Nairobi: A Research Report from Nairobi. Proceedings of Panel 35: Air quality and well-being in cities, Development Research Conference 2016, Stockholm, Sweden, 22 - 24 August 2016.
- 58. Gatari M.J. G., Shepherd K. (2016). FoodAfrica Impact: Interdisciplinary Capacity Building Perspective. Proceedings of FoodAfrica Program Workshop, Helsinki, Finland, 9 - 13 April 2016.
- . M. J. Gatari (2016). Nuclear and Associated Techniques in research and education: Development of a knowledge-based society in Support of Kenya Vision 2030, a 2015 Research Activity Report. International Science Programme (ISP) Records, Uppsala, Sweden, March 2016.
- . Galgallo A., K. Shepherd, M. J. Gatari (2015). Role of Soil-Plant Spectral Diagnostic in Reducing Farmer Decision Risk. Proceedings of AfricaLics 2nd International Conference, Kigali, Rwanda, 17 – 19 November 2015.
- . Nyambane N., M. J. Gatari, J. Githiri, N. Mariita (2015). Improving Energy Efficiency of Geothermal Power Plants Condensers: A case study of Olkaria II Geothermal Power Plant in Kenya. Proceedings of AfricaLics 2nd International Conference, Kigali, Rwanda, 17 – 19 November 2015.
- . M. J. Gatari (2015). Urban Air Quality in Kenya: The known, Unknown and Implication in Economic Development. Proceedings of IDS @50 Conference: Rethinking Development and Development Studies in Post-2015 Era, Nairobi, Kenya, 17-20 November 2015.
- . M.J. Gatari Gichuru, M. Mailu and D. Njoroge (2015) . University of Nairobi-Lighting Laboratory (UON-LL). Proceedings of 4th International Off-Grid Lighting Conference and Exhibition. Dubai World Trade Centre, United Arab Emirate, 26-29 October 2015.
- . M. J. Gatari, A.W. Mutahi, C. W. Gachara, S. M. Gaita and J. Boman (2015). Urban background aerosol over Nairobi City, Kenya. Proceeding of European Aerosol Conference (EAC2015), Milan, Italy, 6 – 11 September 2015.
- . Samuel M. Gaita, Margarete Mages, Josef Prost, Annemarie Wagner, Michael J. Gatari, Johan Boman and Christina Streli (2015). Comparative Analysis of Airborne Particulate Matter Using TXRF and PIXE Techniques. Proceedings of Denver X-ray Conference, Westminister, California, 3 -7 August 2015.
- . Mercy Nyambura1, Stephen Hillier, Keith D. Shepherd, Esala Martti and Michael Gatari (2015). A Quantitative Survey of Sub-Saharan Africa Soil Mineralogy and its Relationship to Soil Micronutrients. Proceedings of Euroclay Conference, Edinburg, Scotland, 5 -10 July 2015.
- . M. J. Gatari (2015). Nuclear and Associated Techniques in research and education: Development of a knowledge-based society in Support of Kenya Vision 2030, a 2014 Research Activity Report. International Science Programme (ISP) Records, Uppsala, Sweden, March 2015.
- . Birir John K., Gatari M. J., Maina D. M., Stephen M. Mutuli S. M., Kairu W. M. (2014). Welding Quality in the Kenyan Informal Sector (“Juakali-Sector”). Proceedings of 11th European Conference on Non-Destructive Testing (ECNDT2014), Prague, Czech Republic, 5-11 November 2014.
- . Mwania J. M., Gatari M. J., Maina D. M., Kinyua R. (2014). Recycled waste plastics composite: Possible construction material for wind turbine blades. In Proceedings of 7th International Science Conference on Energy and Climate Change, Athens, Greece; 8-10 October 2014.
- . Nyambane N., Gatari M. J., Maina D. M., Githiri J. G., Mariita N. O. (2014). Energy and Exergy Analysis Concepts: Modelling the Cooling System of Olkaria II Geothermal Power Plant in Kenya. In Proceedings of 7th International Science Conference on Energy and Climate Change, Athens, Greece; 8-10 October 2014.
- . Wilson M. Kairu, Michael J. Gatari, David M. Maina, John K. Birir, Michael L. Muia (2014), Measurement of compressive strength and rebar parameters of reinforced concrete in buildings in Nairobi, Kenya. Proceedings of NDT2014 53rd Annual Conference, Manchester, UK; 9-11 September 2014.
- . S.M. Gaita, S. K. Jonsson, J. Boman, M.J. Gatari, A. Wagner (2014). Elemental analysis of size segregated particulate matter from Nairobi, Kenya. Proceedings of International Aerosol Conference (IAC2014), Busan, Korea, 31 August – 5 September 2015
- . Thaddaeus Egondi, Kanyiva Muindi, Catherine Kyobutungi, Michael Gatari, Nawi Ng and Joacim Rocklöv. Exposure assessment of outdoor air pollution (PM2.5) in the urban informal settlement of Nairobi. In Proceedings of 26th International Annual Conference on Environmental Epidemiology, Seattle, Washington, USA; 24-28 August 2014.
- . David M. Maina, Benson Z. Namwiba, John M. Onyari, Johan Boman, Keith Shepherd, Michael J. Gatari (2014). Chemometric analysis of macro and micronutrients in soils and associated medicinal plants from Maasai Region, Kenya. In Proceedings of 21st International Conference on Computational Statistics (COMPSTAT 2014), Geneva, 19 – 22 August 2014.
- David M. Maina, Ndirangu M., Mangala, M. J., Johan Boman, Keith Shepherd, Michael J. Gatari (2014). Characterization of Maumbo Region Soils in Kwale County, Kenya: Application of X-ray Fluorescence. Proceedings of European Conference on X-Ray Spectrometry (EXRS2014), Bologna, Italy, 15-20 June 2014.
- . M. J. Gatari (2014). Use of Nuclear Science in Kenyan Agriculture and Environmental Research: A Strategy for research capacity building and manpower development, a 2013 Research Activity Report. International Science Programme (ISP) Records, Uppsala, Sweden, March 2014.
- . S.M. Gaita, J. Boman, J.B.C. Pettersson, M.J. Gatari and S. Janhäll (2014). Traffic emission and mineral dust contribution to PM2.5 in Nairobi, Kenya. Proceedings of NOSA-2014 Aerosol Symposium, Stockholm, Sweden, 30 -31 Jan 2014.
- . D. M. Maina, S. M. Karanja, M. J. Mangala, M. J. Gatari (2013). Radiographic Evaluation of Quality of Welded Joints of Fabricated Products in Kenya’s Informal Sector. In proceedings of 14th Asia-Pacific Conference on NDT (APCNDT2013), Mumbai, India; 13-22 November 2013.
- Gatari M. J. G. (2013). Mt Kenya Ecosystem and Impact of Black Carbon: Implication to poverty and social economic dynamics in Kenya. In proceedings of “High Summit” Conference, Lecco, Italy, 23-25 October 2013.
- Mercy Nyambura, Erick K. Towett, Hezekiah Nyandika, Robin Chacha, Keith D. Shepherd and Michael. J. Gatari (2013). Applicability of hand-held X-ray fluorescence analyzer for rapid characterization of soil elemental compositions. In Proceedings of joint 27th SSSEA Conference and 6th ASSS, Nakuru, Kenya; 20-25th October 2013
- A. H. Galgallo, M. J. Gatari, D. M. Maina, K. D. Shepherd, M. Nyambura, H. Nyandika, S. Karuga, B. M. Gichohi (2013). Trace Elements in Soils from Tanzania: Application of TXRF Analysis. In Proceedings of joint 27th SSSEA Conference and 6th ASSS, Nakuru, Kenya; 20-25th October 2013
- S. Karuga, M. J. Gatari, D. M. Maina, K. D. Shepherd, M. Nyambura, A. Galgallo, B. M. Gichohi (2013). Uptake of Zinc in Sugarcanes: An Experiment using samples from Nairobi River Basin. In Proceedings of joint 27th SSSEA Conference and 6th ASSS, Nakuru, Kenya; 20-25th October 2013
- Ngenoh, J. K., Gichuru, M. J. G., Maina, D. M., Njenga, L. W. (2013). Traffic and mineral dust impact on air quality in Nairobi, Kenya. In proceedings of the joint ISEE, ISES and ISIAQ Environmental Health Conference 2013, Basel, Switzerland,19-23 August 2013.
- Gichuru Gatari M. J., Kivaya V., Boman J., Maina D. M., Wagner A. (2013). Black Carbon, Trace Elements and Particulate Matter Measured at Jomo Kenyatta International Airport-Nairobi. In proceedings of the joint ISEE, ISES and ISIAQ Environmental Health Conference 2013, Basel, Switzerland,19-23 August 2013.
- M. J. Gatari, Kinney P. L., Volavka-Close N., Ngo N., Gaita S. M., Chillrud S. N., Gachanja A., Graeff J., Sclar E. (2013). Black carbon in Archived samples of 2009 air quality study in Nairobi, Kenya. In proceedings of European Aerosol Conference, Prague, Czeck Republic, 1 – 6 September 2013.
- M.J Gatari, Mwaniki G.R, Maina D. M. (2013). Trends of air quality in a fast growing Sub-Saharan African city: Nairobi, Kenya. In proceedings of European Aerosol Conference, Prague, Czeck Republic, 1 – 6 September 2013.
- S.M. Gaita, J. Boman, J.B.C. Pettersson, M.J. Gatari, S. Janhäll (2013). Seasonal variation of urban aerosols in a sub-Saharan city: case study of Nairobi, Kenya. . In proceedings of European Aerosol Conference, Prague, Czeck Republic, 1 – 6 September 2013.
- M. J. Gatari, F. Mugoh, L. W. Njenga, K. D. Shepherd, A. sila, M. N. Kamau, D. M. Maina (2013). Prediction of soil properties: An Experiment using Mt Kenya forest Soils. In proceedings of 15th International Conference on Total Reflection X-Ray Fluorescence and related Methods, and 49th Annual Conference on X-Ray Chemical Analysis, Osaka, Japan, 23 – 27 September 2013.
- J. Boman, S. Gaita, J. Pettersson, M. Hallquist, M.J. Gatari, D. Maina (2013). Is TXRF suitable for analysis of ambient aerosols? In proceedings of 15th International Conference on Total Reflection X-Ray Fluorescence and related Methods, and 49th Annual Conference on X-Ray Chemical Analysis, Osaka, Japan, 23 – 27 September 2013.
- M. J. Gatari, D. M. Maina, A. Wagner, J. Bowman, S. M. Gaita and S. Bartilol (2013). Waters in Lake Victoria basin: Trace elements in Kisumu Watershed. In proceedings of 15th International Conference on Total Reflection X-Ray Fluorescence and related Methods, and 49th Annual Conference on X-Ray Chemical Analysis, Osaka, Japan, 23 – 27 September 2013.
- Kilavi P.K., Maina D.M., Gatari M. J., Wagner A. (2013). Determination of Mn, Fe, Cu and Zn in indigenous complementary infant flour by Total-Reflection X-ray Fluorescence. In proceedings of 15th International Conference on Total Reflection X-Ray Fluorescence and related Methods, and 49th Annual Conference on X-Ray Chemical Analysis, Osaka, Japan, 23 – 27 September 2013.
- Gatari M. J. G. (2013). Institute of Nuclear Science & Technology at University of Nairobi: North-South Assistance and Collaboration. Invited seminar, Department of Applied Nuclear Physics, Uppsala University, Sweden, 19 September 2013.
- Gatari M. J. G. (2013). Air Pollution Studies in Kenya. Invited seminar, Department of Applied Environmental Science, Stockholm University, Sweden, 2 October 2013.
- Gichuru Gatari M. J., Kivaya V., Boman J., Maina D. M., Wagner A. (2013). Black Carbon, Trace Elements and Particulate Matter Measured at Jomo Kenyatta International Airport-Nairobi. In proceedings of the joint ISEE, ISES and ISIAQ Environmental Health Conference 2013, Basel, Switzerland,19-23 August 2013.
- Birir, J., Gatari M. J., Maina D. M. (2012). Challenges facing young scientists in Kenya. In proceedings of 1st International Conference on Physics for Development, Brussels, Belgium; 11-12 October 2013.
- M. J. Gatari (2013). Nuclear and Associated Techniques in research and education: Development of a knowledge-based society in Support of Kenya Vision 2030, a 2014-2016 research grant proposal. Proceedings of International Science Programme (ISP) Reference Group Meeting, Bulawayo, Zimbabwe, 11 – 13 September 2013.
- M. J. Gatari (2013). Use of Nuclear Science in Kenyan Agriculture and Environmental Research: A Strategy for research capacity building and manpower development, a 2012 Research Activity Report. International Science Programme (ISP) Records, Uppsala, Sweden, March 2013.
- Agoi E. K., Gatari M. J., Maina D. M. (2012). Research in Physics and Society: Observations in Developing Countries and Recommendations. In proceedings of 1st International Conference on Physics for Development, Brussels, Belgium; 11-12 October.
- Mwania J. M., Gatari M. J., Maina D. M. (2012). Education System Challenges in Kenya: Options for Basic and Applied Physics Development. In proceedings of 1st International Conference on Physics for Development, Brussels, Belgium; 11-12 October.
- Kairu W., Gatari M. J., Maina D. M. (2012). Nuclear Electricity and Capacity: Regional option for energy sustainability and economic Development. In proceedings of 1st International Conference on Physics for Development, Brussels, Belgium; 11-12 October.
- Nyariki W., Gatari M. J., Maina D. M. (2012). Science, Technology and Development: The role of low cost instrumentation for research and education. In proceedings of 1st International Conference on Physics for Development, Brussels, Belgium; 11-12 October.
- Tollah E., Gatari M. J., Maina D. M. (2012). Nuclear Electricity and Capacity: Kenya option for energy sustainability and economic Development. In proceedings of 1st International Conference on Physics for Development, Brussels, Belgium; 11-12 October 2012.
- M. J. Gatari (2012). Use of Nuclear Science in Kenyan Agriculture and Environmental Research: A Strategy for research capacity building and manpower development, a 2011 Research Activity Report. International Science Programme (ISP) Records, Uppsala, Sweden, March 2012.
- M. J. Gatari, S. M. Gaita, K. Shepherd, J. Boman,, S. Thorsson, A. Wagner (2011). Long range transported mineral dust to the Equatorial Global Atmosphere Watch (GAW) Station on Mt Kenya. Oral presentation at European Aerosol Conference (EAC2011), Manchester, UK, September 2011
- J. Boman1, M.J. Gatari, S. Thorsson and A. Mooe. Particle size distribution, number concentration, CO and sources of aerosol particles in Nairobi, Kenya. Oral presentation at European Aerosol Conference (EAC2011), Manchester, UK, September 2011
- M. J. Gatari. Water resource management in Kenya: Past and the future scenario. Invited Talk at Wetsus Academy, Netherlands. September 2011.
- M. J. Gatari, K. Shepherd, S. M. Gaita, J. Boman, S. Thorsson, A. Wagner. Mt Kenya Soil Analysis: Application of TXRF and Laser Particle Size Analyzer. Proceedings of the Total reflection X-Ray Fluorescence Conference, TXRF2011, Dortmund, Germany, June 2011.
- M. J. Gatari. Climate Change, air quality and urbanization in Africa. Oral presentation at Climate and Health in Africa: "10 Years On" Workshop, Addis Ababa, Ethiopia, April 2011.
- M. J. Gatari (2011). Application of nuclear and associated analytical techniques in environmental Science studies in Kenya, a 2010 Research Activity Report. International Science Programme (ISP) Records, Uppsala, Sweden, March 2011.
- M. J. Gatari (2010). Use of Nuclear Science in Kenyan Agriculture and Environmental Research: A Strategy for research capacity building and manpower development, a 2011-2013 research grant proposal. Proceedings of International Science Programme (ISP) Reference Group Meeting, Nairobi, Kenya, 29 – 30 September 2010.
- M.J. Gatari, J. Boman, M. Hays, A. Wagner, P. Kinney. Black carbon concentration at an urban background site: An indicator of Traffic patterns in Nairobi, Kenya. Accepted abstract to the International Aerosol conference (IAC) 2010, Helsinki, Finland, August 2010
- J. Boman, J. B. C. Pettersson, M. Gatari, A. Wagner, P. Molnár. Assessing the Environment with X-ray Fluorescence. Accepted paper from the 2010 Denver X-ray Conference, Denver, USA. August 2010. Invited talk.
- J. Boman, J.B.C. Pettersson, M.J. Gatari and X. Zhang. Source apportionment of PM2.5 in Nairobi, Kenya. Proceedings of European Conference on X-Ray Spectrometry 2010 (EXRS 2010), Figueira da Foz, Portugal, June 2010.
- J. Boman, M.J. Gatari, M.S. Gaita, M. Strömvald and S. Janhäll. Trace elements in PM2.5 in two locations in Nairobi, Kenya. Proceedings of European Conference on X-Ray Spectrometry 2010 (EXRS 2010), Figueira da Foz, Portugal, June 2010.
- J. Boman, M.J. Gatari, S.M. Gaita, X. Zhang, B. Xue and A. Wagner. Seasonal variation in trace elemental concentrations in PM2.5 particles in Nairobi, Kenya. Proceedings of the 10th Urban Environment Symposium, Gothenburg, Sweden, June 2010
- Johan Boman, Michael J Gatari, Mwaniki Samuel Gaita and Maria Strömvald. Trace elements in PM2.5 in two locations in Nairobi, Kenya. Proceedings of European Conference on X-Ray Spectrometry, Coimbra, Portugal; 20-25 June 2010.
- Wagner, J. Boman and M. J. Gatari. Trace elements in fine particles (PM2.5) and deposition samples - sources and environmental impact. Proceedings of European Conference on X-Ray Spectrometry, Coimbra, Portugal; 20-25 June 2010
- J. Boman, A. Wagner and M. J. Gatari. Analysis of size-fractionated particulate matter by Total reflection X-Ray Fluorescence In proceedings of European Conference on X-Ray Spectrometry, Coimbra, Portugal; 20-25 June 2010
- J. Boman, J. B. C. Pettersson, M. J Gatari and X. Zhang. Source apportionment of PM2.5 in Nairobi, Kenya. Proceedings of European Conference on X-Ray Spectrometry, Coimbra, Portugal; 20-25 June 2010
- M. J. Gatari (2010). Application of nuclear and associated analytical techniques in environmental Science studies in Kenya, a 2009 Research Activity Report. International Science Programme (ISP) Records, Uppsala, Sweden, March 2010.
- M. J. Gatari Gichuru, N. Ngo, S. M. Gaita and P. Kinney. PM2.5 and Associated Black Carbon in Nairobi, Surface layer Air: First Measurement of the kind in Africa and at a High Altitude. Proceedings of 8th International conference on urban health, Nairobi, Kenya; 18-23 October 2009.
- W. Kimani, M. J. Gatari, J. K. Ng’ang’a and J. Boman. Seasonal diurnal concentrations of suspended particulate matter in Mombasa City, Kenya. Proceedings of European Aerosol Conference, University of Karlsruhe, Karlsruhe, Germany; 6 – 11 September 2009.
- J. Boman, M.J. Gatari, S.M. Gaita, X. Zhang, B. Xue and A. Wagner. Seasonal variation in trace elemental concentrations in PM2.5 particles in Nairobi, Kenya. Proceedings of European Aerosol Conference (EAC2009), Karlsruhe, Germany; 6 -13 September 2009
- Michael J. Gatari Gichuru. Application of EDXRF analytical techniques in Kenya: Role in research capacity building and economic development. Proceedings of Regional Conference on Basic Sciences in Developing Countries, Addis Ababa, Ethiopia; 1- 4 September 2009.
- Michael Gatari Gichuru, Bernad Kimani Njoroge and Peter Kuria Ndiba. Application of TXRF in preliminary evaluation of trace elements in wetland waters in the city of Nairobi, Kenya. TXRF conference, Gothernburg, Sweden; 15- 19 June 2009.
- M. J. Gatari (2009). Application of nuclear and associated analytical techniques in environmental Science studies in Kenya, a 2008 Research Activity Report. International Science Programme (ISP) Records, Uppsala, Sweden, March 2009.
- M. J. Gatari (2008). Air Pollution in Kenya: The Known, the Unknown and the Challenges. United States Environmental Protection Agency (USEPA), Research Triangle Park, North Carolina 27711, USA, 29 October 2008.
- Yilin M. A, M. D. Hays, C. D. Geron, J. Walker, M. J. Gatari (2008). Direct determination of levoglucosan and associated species in fine particulate matter with Thermal Extraction-GC-GC-MS. Proceedings of the 9th International Conference on Carbonaceous Particles in the Atmosphere, Lawrence Berkeley National Laboratory, Berkeley, California, 12-14 August 2008.
- M.J. G. Gatari and Johan Boman (2008). Design and Development of an Energy-Dispersive X-ray Spectrometer: A tool for Environmental Research in Kenya. American Association for Aerosol Research (AAAR) 27th Annual Conference, Rosen Shingle Creek, Orlando, Florida, USA, 20 – 24 October 2008.
- M.J. G. Gatari and Johan Boman (2008). Design and Development of an Energy-Dispersive X-ray Spectrometer: A tool for Environmental Research in Kenya. European conference on X-Ray Spectrometry (XRS2007), Cavtat, Dubrovnik, Croatia, 16-20 June 2008.
- M. J. G. Gatari, D. M. Maina, S. Bartilol and S. M. Gaita (2008). Determination of trace metals in bottled Commercial Drinking water using TXRF in Nairobi, Kenya. European conference on X-Ray Spectrometry (XRS2007), Cavtat, Dubrovnik, Croatia, 16-20 June 2008.
- B. B. Naziriwo, S. O. Wandiga, M. J. G. Gatari, O. V. Madadi , P. J. Ssebuwufu (2008). Determination of trace metal concentrations in waters of Nakivubo channel and Lake Victoria using Energy Dispersive X-ray Fluorescence Analysis. European conference on X-Ray Spectrometry (XRS2007). Cavtat, Dubrovnik, Croatia, 16-20 June 2008.
- M. J. Gatari (2008). Strengthening National Facilities for the Maintenance and Repair of Medical and Scientific Instruments. First Project coordination meeting, AFRA IV, RAF/4/021. Arusha, Tanzania, 3-7 March 2008.
- M. J. Gatari (2008). Strengthening National Facilities for the Maintenance and Repair of Medical and Scientific Instruments. Workshop for Project Coordinators of National and AFRA/IAEA funded projects. Kenyatta International Conference Centre (KICC). Nairobi, Kenya, 4-5 August 2008.
- M. J. Gatari (2007). Application of nuclear and associated analytical techniques in environmental Science studies in Kenya, a 2008-2010 ISP Research grant proposal. Records of International Science Programme (ISP) Reference Group Meeting, Uppsala, Sweden, September 2007.
- M. J. Gatari, M. D. Hays, R. J. Lavrich and S. M. Gaita (2007). Determination of particulate carbonaceous species in an urban background aerosol in Nairobi, Kenya. Proceedings of the 5th Asian Aerosol Conference (AAC2007), Kaohsiung, Taiwan, Republic of China, 26-29 August 2007.
- M. J. Gatari, M. D. Hays, R. J. Lavrich and S. M. Gaita (2007). Determination of particulate carbonaceous species in an urban background aerosol in Nairobi, Kenya. European Aerosol Conference (EAC2007). University of Salzburg, Austria, 9-14 September 2007.
- M. J. Gatari, S. M. Gaita, M. D. Hays, T. C. Bond, J. Boman (2006). Assessment of criteria pollutants and NO in a typical urban aerosol in Africa. The 5th Asian Aerosol Conference (AAC2007). Kaohsiung, Taiwan, Republic of China, 26-29 August 2007.
- Maina D. M., M. J. Gatari, P. Bundi, H. Muturi (2006). Impact of road transport on air quality in Kenya; Roadside survey in the cities of Mombasa and Nairobi. International Aerosol Conference (IAC2006), St Paul Minnesota, USA, 10-15 September 2006.
- Maina D. M., M. J. Gatari, P. Bundi, H. Muturi (2006). Impact of road transport on air quality in Kenya; Roadside survey in the cities of Mombasa and Nairobi. Joint Conference of CACP, IGAC and WMO. Cape Town, South Africa, 17-23 September 2006.
- M. J. Gatari (2006). Atmospheric aerosol studies in Kenya. Contribution by the Institute of Nuclear Science and Technology, University of Nairobi, Kenya. University of Copenhagen, Denmark. 15th March 2006
- Michael J. Gatari (2020). Air Pollution, COVID-19 and Other Health Risk. Key note Speaker at the National Environment Trust fund (NETFUND), Ministry of Environment and Forestry National Conference on Energy, Air Quality and Health Nexus: “Reducing Health Risks though clean energy access and Air Pollution management”, Nairobi, Kenya, 10-11 September 2020
- Michael J. Gatari (2020). Black Carbon, Methane, Tropospheric Ozone and Hydrofluorocarbons: - What we know for Nairobi, Kenya. Proceeding of Webinar on “Addressing vehicular pollutants and impacts on urban populations and the advantages of developing a baseline black carbon emissions inventory in Kenya” Nairobi, Kenya, 30th July 2020.
- M. J. Gatari (2015). Urban Air Quality in Kenya: The known, Unknown and Implication in Economic Development. Institute of Development Studies Celebrations (IDS@50) “Rethinking Development and Development Studies in Post-2015 Era”, Nairobi, Kenya, 17-20 November 2015.
- Gatari M. J. G. (2013). Air Pollution Studies in Kenya. Invited seminar, Department of Applied Environmental Science, Stockholm University, Sweden, 2 October 2013.
- Gatari M. J. G. (2013). Institute of Nuclear Science & Technology at University of Nairobi: North-South Assistance and Collaboration. Department of Applied Nuclear Physics, Uppsala University, Sweden, 19 September 2013.
- M. J. Gatari. Water resource management in Kenya: Past and the future scenario. Wetsus Academy, Netherlands. September 2011.
- M. J. Gatari (2008). Air Pollution in Kenya: The Known, the Unknown and the Challenges. United States Environmental Protection Agency (USEPA), Research Triangle Park, North Carolina 27711, USA, 29 October 2008.