UNIVERSITY OF DAR ES SALAAM
COLLEGE OF NATURAL AND APPLIED SCIENCES (CONAS)

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JOHN ANDREW MARCO MAHUGIJA

Associate Professor, Chief Editor, (Tanz. J. Sci.) and Chairperson of Publications Committee, College Of Natural And Applied Sciences
Education:

Ph.D. (Chemistry), University of Dar es Salaam/German Research Centre for Environmental Health, Munich-Germany; M.Sc. (Chemistry), University of Dar es Salaam/GSF, Munich-Germany; B.Sc. (Ed) (First Class Honours), University of Dar es Salaam.

Teaching:

Conducts teaching the following undergraduate courses:

  • Basic Analytical and Physical Chemistry; Chemical Separation; Analytical and Environmental Chemistry; Project Work; Chemistry of Coal; Chemistry Practicals; Petroleum Chemistry Practicals; Chemical Waste Management; Fuel Chemistry and Technology; Environmental Analytical Chemistry; and Environmental Science.

He has also conducts teaching the following postgraduate courses:

  • Methods in Environmental Chemical Analysis (For PhD in Environmental Sciences); Advanced Analytical Chemistry and Instrumentation (For MSc Chemistry), and, Environmental Chemistry (For MSc Integrated Environmental Management).

Supervisor of many MSc and PhD thesis and dissertation students.

Research:

Research interests: Analytical and Environmental Chemistry

Publications:

Publications in Refereed Journals

  1. Mahugija-Marco, J.A. and Kishimba, M.A., 2005. Concentrations of pesticide residues in grasses and sedges due to point source contamination and the indications for public health risks, Vikuge, Tanzania. Chemosphere 61, 1293–1298.
  2. Mahugija-Marco, J.A. and Kishimba, M.A., 2006. Pesticides and metabolites in cassava, eucalyptus, plum and cashew leaves and roots in relation to a point source in Kibaha, Tanzania. Chemosphere 64, 542–548.
  3. Mahugija-Marco, J.A. and Kishimba, M.A., 2007. Organochlorine pesticides and metabolites in young leaves of Mangifera indica from sites near a point source in Coast Region, Tanzania. Chemosphere 68, 832–837.
  4. Mahugija-Marco, J.A. and Kishimba, M.A., 2007. Distribution of pesticide residues in soil and sediments from areas of Coast Region near a heavily contaminated site in Tanzania. International Journal of BioChemiPhysics 16, 7–16.
  5. Mahugija-Marco, J.A. and Kishimba, M.A., 2007. Contamination of surface waters by obsolete pesticides emanating from a point source in Coast Region, Tanzania. International Journal of BioChemiPhysics 16, 17–26.
  6. Ssebugere, P., Wasswa, J., Mbabazi, J., Nyanzi, S.A., Kiremire, B.T. and Mahugija- Marco, J.A., 2010. Organochlorine pesticides in soils from south-western Uganda. Chemosphere 78(10), 1250–1255.
  7. Mahugija, J.A.M., 2012. Status of pesticides and degradation products in soil after clean-up of stockpiles and treatment with sodium hydroxide at a former storage site in Korogwe, Tanzania. Tanzania Journal of Science 38(3), 27–40.
  8. Mahugija, J.A.M., 2012. Organochlorine pesticides and degradation products in soil around a former formulation plant in Morogoro municipality, Tanzania. Tanzania Journal of Science 38(3), 41–53.
  9. Mahugija, J.A.M., 2013. Status and distributions of pesticides buried at five sites in Arusha and Mbeya regions, Tanzania. African Journal of Pure and Applied Chemistry 7 (12), 382–393.
  10. Mahugija, J.A.M., Henkelmann, B. and Schramm, K.W., 2014.  Levels, compositions and distributions of organochlorine pesticide residues in soil 5 –14 years after clean-up of former storage sites in Tanzania. Chemosphere 117, 330–337, Elsevier.
  11. Mahugija, J.A.M., Henkelmann, B. and Schramm, K.W., 2015. Levels and patterns of organochlorine pesticides and their degradation products in rainwater in Kibaha Coast Region, Tanzania. Chemosphere 118, 12–19.
  12. Mahugija, J.A.M., 2015. Levels and profiles of polycyclic aromatic hydrocarbons and polychlorinated biphenyls in soil at an industrial area in Dar es Salaam, Tanzania. International Journal of Humanities, Arts, Medicine and Sciences 3(6), 1–7.
  13. Lugwisha, E.H.J., Mahugija, J.A.M. and Mwankuna, C., 2016. Levels of formaldehyde and acetaldehyde in selected bottled drinking water sold in urban areas in Tanzania. Tanzania Journal of Science 42, 1–14.
  14. Mahugija, J.A.M., Nambela, L. and Mmochi, A.J., 2017. Levels and distribution of pesticide residues in soil and sediments in Eastern Lake Tanganyika environs. International Journal of Biological and Chemical Sciences 11(5), 2537–2547.
  15. Mahugija, J.A., Khamis, F.A. and Lugwisha, E.H., 2017. Determination of levels of organochlorine, organophosphorus, and pyrethroid pesticide residues in vegetables from markets in Dar es Salaam by GC-MS. International Journal of Analytical Chemistry vol. 2017, 9 pages.
  16. Mahugija, J.A.M., Kayombo, A. and Peter, R., 2017. Pesticide residues in raw and processed maize grains and flour from selected areas in Dar es Salaam and Ruvuma, Tanzania. Chemosphere 185, 137–144.
  17. Mahugija, J.A.M., Khamis, F.A. and Lugwisha, E.H.J., 2017. Assessment of pesticide residues in tomatoes and watermelons (fruits) from markets in Dar es Salaam, Tanzania. Journal of Applied Sciences and Environmental Management 21(3), 497–501.
  18. Mahugija, J.A.M., Ahmed, K.N. and Makame, Y.M.M., 2017. Polycyclic aromatic hydrocarbons (PAHs) contamination in coastal mangrove ecosystems of the Zanzibar archipelago. Western Indian Ocean Journal of Marine Science 16(1), 25–34.
  19. Mahugija, J.A.M., Nambela, L. and Mmochi, A.J., 2018. Determination of dichlorodiphenyltrichloroethane (DDT) and metabolites residues in fish species from Eastern Lake Tanganyika. South African Journal of Chemistry 71, 86–93.
  20. Mahugija, J.A.M. and Sheikh, H.M., 2018. Status of selected heavy metals dispersion from top soil in and around automobile workshop areas in Zanzibar Municipality, Tanzania. Tanzania Journal of Science 44 (1), 12-23.
  21. Mahugija, J.A.M., Chibura, P.E. and Lugwisha, E.H.J., 2018. Residues of pesticides and metabolites in chicken kidney, liver and muscle samples from poultry farms in Dar es Salaam and Pwani, Tanzania. Chemosphere 193, 869–874.
  22. Mahugija, J.A.M., 2018.  Levels of heavy metals in drinking water, cosmetics and fruit juices from selected areas in Dar es Salaam, Tanzania. Tanzania Journal of Science 44 (1), 1–11.
  23. Mahugija, J.A.M., Chibura, P.E. and Lugwisha, E.H.J., 2018. Occurrence of organochlorine and organophosphorus pesticide residues in poultry feeds, raw and cooked eggs from selected farms in Ilala and Kibaha Districts, Tanzania. Journal of Applied Sciences and Environmental Management 22(2), 191–196.
  24. Mahugija, J.A.M., Kasenya, Z.S. and Kilulya, K.F., 2018. Levels of heavy metals in urine samples of school children from selected industrial and non-industrial areas in Dar es Salaam, Tanzania. African Health Sciences 18 (4), 1226–1235.
  25. Mahugija, J.A.M.  and Njale, E., 2018. Levels of polycyclic aromatic hydrocarbons (PAHs) in smoked and sun-dried fish samples from areas in Lake Victoria in Mwanza, Tanzania. Journal of Food Composition and Analysis 73, 39-46.
  26. Mahugija, J.A.M., 2018. Determination of toxic diethylene glycol in toothpastes in Dar es Salaam by high performance thin layer chromatography and colorimetric methods. Tanzania Journal of Science 44(2) special issue, 117-127.
  27. Mahugija, J.A.M. and Njale, E., 2018. Effects of washing on the polycyclic aromatic hydrocarbons (PAHs) contents in smoked fish. Food Control 93, 139-143.
  28. Mahugija, J.A.M., Kasenya, Z.S. and Kilulya, K.F., 2020. Variations of concentrations of lead, zinc, iron, copper and cadmium in urine of primary school pupils in relation to age, sex and academic performance. Tanzania Journal of Science 46(2), 190-204.
  29. Mahugija, J.A.M., Wandwi, A.N. and Kilulya, Kessy F., 2020. Comparison of centrifugation and solid phase extraction (SPE) method of sample preparations in determination of residues of drugs of abuse in urine. Tanzania Journal of Science 46(3), 585-596.
  30. Mahugija, J.A.M., Ngabala F. and Ngassapa, F.N., 2021. Effectiveness of common household washing of tomatoes on the removal of pesticide residues. Tanzania Journal of Science 47(1), 390–404.
  31. Lyasenga, T.J., Mwijage, A., Shilla, D.J., Mahugija, J.A.M., Gaspare, L., Mfilinge, P.L. and Shilla, D.A., 2021. Diet and isotopic metrics of predatory and prey fish in two estuaries with different degrees of anthropogenic disturbances: the case study of Wami and Pangani rivers in Tanzania. Advances in Oceanography and Limnology, 12(2).

 

Publications in Conferences/Workshops Proceedings and Reports

  1. J.A. Mahugija Marco and M.A. Kishimba, Levels of pesticides and metabolites in water, flora, soil and sediments due to point source contamination and the indications for public health risks– Proceedings of the African Network for the Chemical Analysis of Pesticides (ANCAP) Inaugural Conference, Arusha 2004, pp 79–88.
  2. J.A. Mahugija Marco and M.A. Kishimba, Concentrations of polar pesticide residues in the surface waters of selected areas of Coast Region, Tanzania– A paper presented at the regional workshop on nitrogen, phosphorus and sulphur derivatives in the environment, Hotel Africana, Kampala–Uganda, 20th January 2005.
  3. J.A. Mahugija Marco and M.A. Kishimba, Mango (Mangifera indica) leaves as biondicators of the spatial distribution of organochlorine pesticides and metabolites from a point source–A paper presented at the ANCAP Symposium, Makerere University, Uganda 21-22 July 2005.
  4. J.A. Mahugija Marco, M.A. Kishimba and R. Joice, Organochlorine pesticides and metabolites in drinking water from sites near Vikuge storage site in Coast Region–Tanzania–A paper presented at the international conference on pesticide use in developing countries, Arusha International Conference Centre, 16th–20th October 2006.
  5. J.A. Mahugija Marco and M.A. Kishimba, Comparison of the types and concentrations of organochlorine compounds in environmental samples between gas chromatographic-electron capture and mass spectrometric detection–A paper presented at the First African Congress on Pesticides and Toxicology Sciences, held on 8th–11th November 2008 at the University of Gezira, Wad Medani, Gezira State-Sudan.
  6. J.A.M. Mahugija, Levels and toxicological implications of organochlorine pesticides and metabolites in soil at some hotspots in Tanzania–A paper presented at the 4th International Toxicology Symposium in Africa, held on 2nd–4th September 2012 at the University of Zambia, Lusaka.
  7. L. Nambela and J.A.M Mahugija, Levels and chemodynamics of pesticide residues in Lake Tanganyika Basin, Tanzania. A paper presented at the Sida-SAREC Regional Collaboration Conference, 31 July-2 August 2013, Bagamoyo-Tanzania.
  8. J.A.M. Mahugija, B. Henkelmann and K.W. Schramm, Levels and patterns of organochlorine pesticides and their degradation products in rainwater in Coast region, Tanzania–A paper presented at the 6th SETAC Africa Conference held at Intercontinental Hotel in Lusaka, Zambia on 2nd–3rd September 2013 and at the 5th International Toxicology Symposium in Africa held on 11th–14th September 2013 at the Kwame Nkrumah University of Science and Technology in Kumasi, Ghana.
  9. J.A.M. Mahugija, L. Nambela and A. Mmochi, Levels and distribution of DDT residues in fish species in eastern Lake Tanganyika in Tanzania–A paper presented at the 6th International Toxicology Symposium in Africa held on 28th–30th August 2014 at the Garden Court, O.R. Tambo International Airport in Johannesburg, South Africa.
  10. J.A.M. Mahugija and L. Nambela, Pesticide residues in water from rivers and lakes in Lake Tanganyika basin, Tanzania–Peer Reviewed Proceedings of the 7th International Toxicology Symposium in Africa held at the Garden Court, O.R. Tambo International Airport in Johannesburg, South Africa, 31st August 2015, pp 77-78.
  11. J.A.M. Mahugija, Qualities of effective teaching and bad teaching in higher education - A Lecture presented at the Faculty Development Programme, St Joseph University in Tanzania, held at St Joseph College of Engineering Dar es Salaam, 6th October 2015.
  12. J.A.M. Mahugija, F.A. Khamis and E.H.J. Lugwisha, Levels of pesticide residues in fruits and vegetables from markets in Dar es Salaam, Tanzania–Peer Reviewed Proceedings of the 8th International Toxicology Symposium in Africa held at Gawharet Al Ahram hotel in Giza-Cairo, Egypt, 29th–31st August 2016, pp 32–33.
  13. E.H.J. Lugwisha, J.A.M. Mahugija and C. Mwankuna, Levels of formaldehyde and acetaldehyde in selected bottled drinking water sold in urban areas in Tanzania–A paper presented in the 9th International Toxicology Symposium in Africa held at the Constantial Hotel & Suites in Benin City, Nigeria, 07th–08th September 2017.
  14. O. Ilomo and J.A.M. Mahugija, Collection and analysis of water samples from Export Processing Zones Authority (EPZA) and Twiga Cement Industry (Wazo) in Dar es Salaam: A consultancy (Registration No. UDSM-UCB/CoNAS 18-4) report submitted to the National Environment Management Council (NEMC), 27th April 2018.
  15. K.F. Kilulya, J.A.M. Mahugija, O.O. Ilomo,  S.S. Nyandoro, M.M. Ndoile, R. Peter, G.A. Kinunda, F.T. Sung'hwa, J.Y.N. Philip, E.H. J. Lugwisha, Evaluation of plastic bag industries and possibility of producing alternative bags in Tanzania–A consultancy (Registration No. UDSM-UCB/CoNAS/18-08) report submitted to the National Environment Management Council (NEMC), Vice President’s Office, August 2018.
  16. J.A.M. Mahugija, F. Ngabala and F. Ngassapa, Effects of industrial processing on the levels and fate of pesticide residues in tomato products–A paper presented at the 12th symposium of the African Network for Chemical Analysis of Pesticides and other Pollutants (ANCAP) held at the University of Dar es Salaam, Tanzania, 2nd to  4th December 2019.
  17. J.A.M.  Mahugija, K.F. Kilulya, E.H.J. Lugwisha, R.J.A. Minja and G. Mrema, A study on non-woven carrier bags to determine the required physical and chemical characteristics to totally degrade–phase one: A consultancy (Registration No. UDSM-UCB/CoNAS/20016) report submitted to the National Environment Management Council (NEMC), March 2020.
  18. Mmochi, A.J., Haji, H.M.,  Mahugija, J.A.M., Comparative adsorption performance of dichlorvos and zinc by coal and their effect on survival and growth rates of Zanzibar Tilapia (Oreochromis urolepis hornorum), 4th TCS Conference  and 14th  ANCAP Symposium, SUA, Morogoro-Tanzania, 16–17 December 2021.
  19. Njale, E., Mahugija, J.A.M., Effects of washing on the polycyclic aromatic hydrocarbons (PAHs) contents in smoked fish, 4th TCS Conference  and 14th  ANCAP Symposium, Sokoine University, Morogoro-Tanzania, 16–17 December 2021.
  20. Wandwi, A.N., Kilulya, K.F., Mahugija, J.A.M., Levels of selected drugs of abuse and metabolites in urine samples from street gangs in Dar es Salaam, 4th TCS Conference  and 14th  ANCAP Symposium, SUA, Morogoro-Tanzania, 16–17 December 2021.

 

Books and Journals Edited and Published

 

  1. Chief Editor; Edited and published Tanzania Journal of Science Vol. 44(4) of 2018; Vol. 45 (4 Issues) of 2019; Vol. 46 (3 Issues) of 2020; Vol. 47 (5 Issues) of 2021; Vol. 48 (4 Issues) of 2022.
  2. Editor, Chemistry for Secondary Schools Student’s Book Form Three, Tanzania Institute of Education (TIE) 2022.
  3. Editor, Chemistry for Secondary Schools Student’s Book Form Four, TIE 2022.
  4. Editor, Inorganic Chemistry for Advanced Level Secondary Schools, Student’s Book Form Five and Six, TIE 2019.
  5. Editor, Science and Technology Standard Seven Pupil’s Book, TIE 2020.
  6. Editor, Sayansi na Teknolojia Kitabu cha Mwanafunzi Darasa la Saba [Science and Technology Standard Seven-Pupil’s Book], TIE 2020.
  7. Editor, Science and Technology Standard Seven Teacher’s Guide, TIE 2020
  8. Editor, Sayansi na Teknolojia Kiongozi cha Mwalimu Darasa la Saba [Science and Technology Standard Seven Teacher’s Guide], TIE 2020.
  9. Editor, Science and Technology Standard Six Pupil’s Book, TIE 2020.
  10. Editor, Sayansi na Teknolojia Kitabu cha Mwanafunzi Darasa la Tano [Science and Technology Standard Five Pupil’s Book], TIE 2018.
  11. Editor, Sayansi na Teknolojia Kiongozi cha Mwalimu Darasa la Tano [Science and Technology Standard Five Teacher’s Guide], TIE 2018.
  12. Editor, Health and Environment Standard One Pupil’s Book, Tanzania Institute of Education (TIE) 2019.
  13. Editor, Health and Environment Standard Two Pupil’s Book, TIE 2019.
  14. Editor, Afya na Mazingira Kiongozi cha Mwalimu Darasa la Kwanza [Health and Environment Standard One Teacher’s Guide], TIE 2019.
  15. Editor, Afya na Mazingira Kiongozi cha Mwalimu Darasa la Pili [Health and Environment Standard Two Teacher’s Guide], TIE 2019.
  16. Editor, Chemistry for Secondary Schools Student’s Book Form One, TIE 2021.
  17. Editor, Chemistry for Secondary Schools Student’s Book Form Two, TIE 2021.
  18. Editor, Sayansi na Teknolojia Kitabu cha Mwanafunzi Kundirika la Kwanza Mwaka wa 2 [Science and Technology Pupil’s Book, Non-formal Education 2nd Year], TIE 2021.
  19. Editor, Sayansi na Teknolojia Kiongozi cha Mwalimu Kundirika la Kwanza Mwaka wa 2 [Science and Technology Teacher’s Guide, Non-formal Education 2nd Year], TIE 2021.