and present

1. Academic program director (at the office of the former

Associate Academic Vice President) for the continuing and distance education for the Addis Ababa University System; May 2012 to Dec. 2013.

2. Director; in-service and distance education program (CDEP); one branch of the continuing and distance education bureau of the Addis Ababa University; Apr. 2011 to May 2012.
3. Stream representative of Analytical Chemistry; within the Department of Chemistry, and member of the department academic council; Jan. 2008–Nov. 2010.
4. Academic dean of the continuing education program, Faculty of Science, Addis Ababa University; Apr. 2003 to Nov. 2004.
5. Coordinator of the continuing education program, Faculty of Science, Addis Ababa University; Dec. 2001 to Mar. 2003.
6. Coordinator of the freshman chemistry courses, Department of Chemistry, Addis Ababa University; Sept. 1993 to June 1994.

• 1982 to June 1986; Addis Ababa University, Ethiopia, B Sc in Chemistry (General Chemistry)
• 1990 to June 1992; Addis Ababa University, Ethiopia, M Sc in Chemistry (Analytical Chemistry)
• 1995 to June 2000; Addis Ababa University (Ethiopia) and Lund University (Sweden) through sandwich scheme; Ph D in Analytical Chemistry (Environmental pollution)

1. Awarded Certificate in Recognition of Reviewing Scientific Articles submitted to the Journal of Molecular Liquids (Elsevier Publishers) for subsequent publication; Awarded Jan. 2015.
2. Awarded Certificate in Recognition of Reviewing Scientific Articles submitted to Talanta (Elsevier Publishers) for subsequent publication; Awarded Jan. 2015.

1. Member of the Society for Environmental Toxicology and Chemistry (SETAC) Africa, since Oct. 2006 and country representative of SETAC Africa, since June 2011 to date.
2. Board member, founder and country representative of the African Network for Chemical Analysis of Pesticides (ANCAP), since Aug. 2002 to date.
3. Founding member and country representative of the Southern and Eastern African Network for Analytical Chemists (SEANAC), since Feb. 2002 to date.
4. Member of the African Association of Pure and Applied Chemistry (AAPAC) since Aug. 2001 to date.
5. Member of the Chemical Society of Ethiopia (CSE) since July 1987 to date.

initiatives etc.

1. Editorial board member of the International Journal of Nutrition and Health Sciences, January 2017.
2. Editorial board member of the ISRN Chromatography Journal; April. 2011 to date.
3. Reviewer for the various scientific papers submitted for publication to various journals such as Talanta (Elsevier); Ethiopian Journal of Biological Sciences; Bulletin of the Chemical Society of Ethiopia, SINET: Ethiopian Journal of Science; East African Journal of Sciences, ISRN Chromatography, etc for a number of years to date.

• Development of time-integrated field sampling for executing of trace enrichment and sample clean-up for longer time in remote polluted areas where the electric power is absent and enabling continuous and unattended sampling for predetermined period of time.
• Selective and quantitative sample preparation of organic and inorganic chemical contaminants or pollutants originated from total environment, food, biological, pharmaceutical, medicinal sources for final determination using various chromatographic methods of analysis.
• Experimental method development for efficient removal or uptake of organic and inorganic pollutants utilizing synthesized and low cost locally available biomaterials for ensuring amenable remediation of compartments of the human environments.
• Method development for identification and efficient removal of trace level pollutants from agricultural products meant for export in order to meet the international qualities and standards.
• Investigation of the chemical substances that can be used directly and/or modified or treated for studying the partitioning of trace level residues on their surfaces both in batch as well as column chromatographic methods.

(major publications and submitted articles are not included)

1. Hussen, N. Megersa and J. A. Jonsson (2017):   Effect of aging organochlorine pesticides in various soil types on their extractability using selective pressurized liquid extraction. Journal of Environmental Protection, accepted.
2. Tolcha and N. Megersa (2017): High density solvent based dispersive liquid-liquid microextraction combined with gas chromatography mass spectrometry for simultaneous determination of multiclass pesticides in water and sugarcane juice samples. Food Analytical Methods, accepted.
3. Bedassa, N. Megersa and A. Gure (2017): Salting-out assisted liquid-liquid extraction for the determination of multiresidue pesticides in alcoholic beverages by high performance liquid chromatography. Science Journal of Analytical Chemistry, accepted.
4. Tadesse, E. Teju, A. Gure and N. Megersa (2017): Modified QuEChERS method for quantitative extraction of triazine herbicide residues from soil samples followed by HPLC analysis. Ethiopian Journal of Education and Sciences, accepted.
5. Alemayehu, T. Tolcha and N. Megersa (2017): Salting-out assisted liquid-liquid extraction combined with HPLC for quantitative extraction of trace multiclass pesticide residues from environmental waters around agricultural farmlands in Southern Ethiopia. American Journal of Analytical Chemistry, accepted.
6. Bedassa, A. Gure and N. Megersa (2017): The QuEChERS analytical method combined with low density solvent based dispersive liquid-liquid microextraction for quantitative extraction of multiclass pesticide residues in cereals. Bulletin of the Chemical Society of Ethiopia, 31 (1) (in press).
7. Teju, B. Tadesse, and N. Megersa (2017):   Salting-out assisted liquid-liquid extraction for the preconcentration and quantitative determination of 8 herbicides residues simultaneously in different water samples with high performance liquid chromatography. Separation Science and Technology, in press.
8. Azeze, F. Mekbib, Y. Dessalegn, Z. Tadele and N. Megersa (2016): Challenges on production and utilization of white Lupin (Lupinus albus L.) in Ethiopia: A strategic orphan crop. American Journal of Experimental Agriculture, 13, 1–14.
9. Yohannes, T. Tolesa, Y. Merdassa and N. Megersa (2016): Single drop microextraction analytical technique for simultaneous separation and trace enrichment of atrazine and its major degradation products from environmental waters followed by liquid chromatographic determination. Journal of Analytical and Bioanalytical Techniques, 7, 330–338.
10. Gebrelibanos, N. Megersa and A. Taddesse (2016): Levels of essential and non-essential metals in edible mushrooms cultivated in Haramaya, Ethiopia. International Journal of Food Contamination, 3, 1–12.
11. Tesfay, E. S. Bronze-Uhle, A. Batagin-Neto, A. Veron, T. Geiger, T. Yohannes, N. Megersa and C. F. O. Graeff (2015): Study of heptamethine iodide and heptamethine PF6 solutions in different solvents for the measurement of low doses of X-Ray & gamma radiation. Current Physical Chemistry, 5, 308–317.
12. Boke, N. Megersa and E. Teju (2015): Quantitative determination of the heavy metal levels in the wild edible plant parts and their corresponding soils of the central and western regions of the Oromia State; Ethiopia. Journal of Environmental and Analytical Toxicology, 5, 1–8.
13. Megersa (2015): Hollow-fiber liquid phase microextraction for trace enrichment of the residues of atrazine and its major degradation products from environmental water and human urine samples. Analytical Methods, 7, 9940–9948.
14. Tadesse, E. Teju, A. Gure and N. Megersa (2015): Ionic-liquid-based dispersive liquid-liquid microextraction combined with high-performance liquid chromatography for the determination of multiclass pesticide residues in water samples. Journal of Separation Science, 38, 829–835.
15. Bedassa, A. Gure and N. Megersa (2015): Low density solvent based dispersive liquid-liquid microextraction and preconcentration of multiresidue pesticides in environmental waters for liquid chromatographic analysis. Journal of Analytical Chemistry, 70, 1199–1206.
16. Bedassa, A. Gure and N. Megersa (2015): Modified QuEChERS method for the quantitative determination of multiclass residues in fruit samples utilizing high performance liquid chromatography with variable wavelength detection. Food Analytical Methods, 8, 2020–2025.
17. Merdassa, J. F. Liu and N. Megersa (2015): An efficient and fast microwave-assisted extraction method developed for the simultaneous determination of 18 organochlorine pesticides in sediment. International Journal of Environmental Analytical Chemistry, 95, 225–239.
18. Merdassa, J.–F. Liu and N. Megersa (2015): Development and validation of a one-step ultrasound assisted extraction for simultaneous determination of multiclass fungicides in soils. Journal of AOAC International, 98, 192–200.
19. Gure, F. J. Lara, A. M. García-Campana, N. Megersa, and M. del Olmo-Iruela (2015): Vortex-assisted ionic liquid dispersive liquid–liquid micro-extraction for the determination of sulfonylurea herbicides in wine samples by capillary high-performance liquid chromatography. Food Chemistry, 170, 348–353.
20. Gure, F. J. Lara, N. Megersa, M. del Olmo-Iruela, and A. M. Garcia-Campana (2014): Dispersive liquid-liquid micro-extraction followed by capillary high performance liquid chromatography for the determination of six sulfonylurea herbicides in fruit juices. Food Analytical Methods, 7, 1465–1473.
21. Teju, N. Megersa, B. S. Chandravanshi and F. Zewge (2014): Lead accumulation in the roadside soils of the heavy density motor way of selected towns of Eastern Ethiopia. Bulletin of the Chemical Society of Ethiopia, 28, 161–176.
22. Gure, N. Megersa and N. Retta (2014): Ion-pair assisted liquid-liquid extraction for selective separation and analysis of multiclass pesticide residues in environmental waters. Analytical Methods, 6, 4633–4642.
23. Gure, F. J. Lara, D. Moreno-González, N. Megersa, M. D. Olmo-Iruela, and A. M. García-Campaña (2014): Salting-out assisted liquid-liquid extraction combined with capillary HPLC for the determination of sulfonylurea herbicides in environmental water and banana juice samples. Talanta, 127, 51–58.
24. Merdassa, J.–F. Liu and N. Megersa (2014): Development of a one-step microwave-assisted extraction procedure for highly efficient extraction of multiclass fungicides in soils. Analytical Methods, 6, 3025–3033.
25. Teju, B. Tadesse and N. Megersa (2014): Trace level enrichment of lead from environmental water samples utilizing dispersive liquid-liquid micro-extraction and quantitative determination by graphite furnace atomic absorption spectrometry. Journal of Environmental Science and Health, Part A, 49, 833–842.
26. Gure, F. J. Lara, N. Megersa, A. M. García-Campaña, and M. D. Olmo-Iruela (2013): Hollow-fiber liquid-phase micro-extraction combined with capillary HPLC for the selective determination of six sulfonylurea herbicides in environmental waters. Journal of Separation Science, 36, 3395–3401.
27. Merdassa, J.-F. Liu and N. Megersa (2013): Development of a one-step microwave-assisted extraction method for simultaneous determination of organophosphorus pesticides and fungicides in soils by gas chromatography-mass spectrometry. Talanta, 114, 227–234.
28. Mulatu, N. Megersa and T. Alemu (2013): Characterization of fungal extracts from Trichoderma isolates and their effects against coffee wilt pathogen (Gibberella xylarioides). SINET: Ethiopian Journal of Science, 36, 81–92.
29. Tolcha, Y. Merdassa and N. Megersa (2013): Low density extraction solvent-terminated dispersive liquid-liquid micro-extraction for quantitative determination of ionizable pesticides in environmental waters. Journal of Separation Science, 36, 1119–1127.
30. Amde, N. Megersa, Abi M. Taddesse and T. Bedassa (2013): Determination of the levels of selected metals in seeds, flowers and fruits of medicinal plants used for tapeworm treatment in Ethiopia. Toxicological and Environmental Chemistry, 95, 82–100.
31. Megersa and S. Kassahun (2012): A new selective liquid membrane extraction of basic herbicides for agro-processes fruit juices and Ethiopian honey wine (Tej) samples. Food Additives and Contaminants: Part A, 29, 789 –798.
32. Gomoro, F. Zewge, B. Hundhammer and N. Megersa (2012): Fluoride removal by adsorption on thermally treated lateritic soils. Bull. Chem. Soc. Ethiop. 26, 361–372.
33. Teju, N. Megersa, B. S. Chandravanshi and F. Zewge (2012): Determination of the levels of lead in roadside soils of Addis Ababa, Ethiopia. SINET: Ethiopian Journal of Science, 35, 81–94.
34. Larsson, T. Berhanu, N. Megersa, and J. Å. Jönsson (2011): An automatic field sampler utilizing supported liquid membrane (SLM) for on-site extraction of s-triazine herbicides and degradation products: applied to an agricultural region of Ethiopia. International Journal of Environmental Analytical Chemistry, 91, 929–944.
35. Terfasa, P. Traar, N. C. M-Zanetti, V. J. T. Raju, N. Megersa and N. Retta (2011): Oxidorhenium(V) complexes with oxazolinylmethoxido ligands-structure and catalytic epoxidation. European Journal of Inorganic Chemistry, 2011, 4434–4440.
36. Girma, Y. Mekonnen and N. Megersa (2011): Farm workers’ health and pesticide residue analysis of three farms in Ethiopia. Ethiopian Journal of Biological Sciences, 10, 73–94.
37. Berhanu, N. Megersa, T. Solomon and J. Å. Jönsson (2008): A novel equilibrium extraction technique employing hollow fibre liquid phase micro-extraction for trace enrichment of freely dissolved organophosphorus pesticides in environmental waters. International Journal of Environmental Analytical Chemistry, 88, 933–945.
38. Westbom, A. Hussen, N. Megersa, N. Retta, L. Mathiasson and E. Björklund (2008): Assessment of organochlorine pesticide pollution in Upper Awash Ethiopian state farm soils using selective pressurized liquid extraction. Chemosphere, 72, 1181–1187.
39. Hussen, R. Westbom, N. Megersa, L. Mathiasson, and E. Björklund (2007): Selective pressurized liquid extraction for multi-residue analysis of organochlorine pesticides in soil. Journal of Chromatography A, 1152, 247–253.
40. Hussen, R. Westbom, N. Megersa, N. Retta, L. Mathiasson, and E. Björklund (2006): Optimisation of pressurized liquid extraction for the determination of p,p′-DDT and p,p′-DDE in aged contaminated Ethiopian soils. Analytical and Bioanalytical Chemistry, 38, 1525–1533.
41. Hussen, R. Westbom, N. Megersa, L. Mathiasson and E. Bjorklund (2006): Development of a pressurized liquid extraction and clean-up procedure for the determination of α-endosulfan, β-endosulfan and endosulfan sulphate in aged contaminated Ethiopian soils. Journal of Chromatography A, 1103, 202–210.
42. Berhanu, J-fu Liu, R. Romero, N. Megersa and J. A. Jonsson (2006): Determination of trace levels of dinitrophenolic compounds in environmental waters using hollow fiber supported liquid membrane extraction and high performance liquid chromatography. Journal of Chromatography A, 1103, 1–8.
43. Mulugeta and N. Megersa (2004): Carrier-mediated extraction of bipyridilium herbicides across the hydrophobic liquid membrane. Talanta, 64, 101 –108.
44. Dinku, N. Megersa, V. J. T. Raju, T. Solomon, J. A. Jonsson and N. Rettta (2003): Studies of transitional metal complexes of herbicidal compounds. II: transition metal complexes of derivatized 2-chloro- 4-ethylamino-6-isopropylamino-s-triazine (atrazine). Bulletin of the Chemical Society of Ethiopia, 17, 35–43.
45. Chimuka, N. Megersa and J. A. Jonsson (2002): Sample preparation of organic compounds in environmental analysis using membrane extraction. Recent Research Development in Analytical Chemistry, 2, 13–31.
46. Megesa, L. Chimuka, T. Solomon and J. A. Jonsson (2001): Automated liquid membrane extraction and trace enrichment of triazine herbicides and their metabolites in environmental and biological samples. Journal of Separation Science, 24, 56–576.
47. Dinku, N. Megersa, V. J. T. Raju, T. Solomon, J. A. Jonsson and N. Rettta (2001): Studies of transitional metal complexes of herbicidal compounds. I: transition metal complexes of 2-methylthio-4-azido-6-isopropylamino-s-triazine (aziprotryn). Bulletin of the Chemical Society of Ethiopia, 15, 29–37.
48. Megersa, T. Solomon, B. S. Chandravansi and J. A. Jonsson (2000): Sample clean-up, enrichment and determination of s-triazine herbicides from southern Ethiopian Lakes using supported liquid membrane extraction. Bulletin of the Chemical Society of Ethiopia, 14, 9–24.
49. Megersa, T. Solomon and J. A. Jonsson (1999): Supported liquid membrane extraction for sample work-up and preconcentration of methoxy-s-triazine herbicides in a flow system. Journal of Chromatography A, 830, 203–210.
50. Chimuka, N. Megersa, J. Norberg, L. Mathiasson and J. A. Jonsson (1998): Incomplete trapping in supported liquid membrane extraction with a stagnant acceptor for weak bases. Analytical Chemistry, 70. 3906–3911.
51. Megersa and J. A. Jonsson (1998): Trace enrichment and sample preparation of alkylthio-s-triazine herbicides in environmental waters using a supported liquid membrane technique in combination with high performance liquid chromatography. The Analyst, 123, 225–231.
52. Amare, G. Moges, B. S. Chandravanshi and N. Megersa (1997): Hexafluorotantalate(V)–selective coated graphite electrode based on malachite green. Analytical Letters, 30, 457–474.
53. Megersa, G. Moges and B. S. Chandravanshi (1995): Potentiometric determination of tantalum with a hexaflurotantalate(V)–selective liquid membrane electrode. Analytica Chimica Acta, 311, 183–192.
54. Megersa and M. Mulugeta, Proceedings of the East and Southern Africa Environmental Chemistry Workshop and 5th Theoretical Chemistry Workshop in Africa; Dec. 1–5, 2003, University of Dar es Salaam.
55. Zulla, T. Wondimu and N. Megersa, Laboratory Manual for General Chemistry; Vol. I; 1989; Arba Minch Water Technology Institute, Arba Minch, Ethiopia.
56. Zulla, T. Wondimu and N. Megersa, Laboratory Manual for General Chemistry; Vol. II; 1989; Arba Minch Water Technology Institute, Arba Minch, Ethiopia.

• Member of the technical committee for agricultural and food products for pesticides residues at the quality and standards authority (QSA) of Ethiopia: representing the Chemical Society of Ethiopia, since Feb. 2004.
• Secretary of the national organizing committee for the 8th conference of the East and Southern African Laboratory Managers Association (E-SALAMA), held for 5 days at Imperial Hotel, in December 2008.
• Member of the technical committee for pesticide registration in Ethiopia; administered by the Ministry of Agriculture, Ethiopia; since July. 2011 to date.
• Board member and chairman for the “Abdi Lemi Development Association”, established since Dec. 2006 for identifying and facilitating conditions for high level/specialized agricultural and development professionals to meet selected farmers’ association and deliver tTheir contributions (the major objective of which is to assist selected group of farmers for attaining sustainable development.
• Member of the advisory forum for metal engineering corporation (METEC), Ethiopia; recently established by the government of Ethiopia since October 2011.

Building: New Administration Building, Arat Kilo

Floor Number: 1^st

Office no.:

Tel.: +251111243300 (office)

+2519116842-60 (mobile)

+251111239466 (institution)

Fax: +251111239470

University email ID: negussie.megersa@aau.edu.et

Alternative email ID: megersane@yahoo.com