Ephrem Tilahun Woldemariam

Name: Ephrem Tilahun Woldemariam

Nationality: Ethiopian

Academic rank: Assistant Professor

College:  College of Natural Sciences

Department: Department of Chemistry

Education: M.Sc in Analytical Chemistry, Erasmus Mundus Master of Science (EMQAL), (PhD

Candidate of Human Nutrition)

Field of specialization: Analytical Chemistry, Quality in Analytical Laboratories (Food

Analysis), Chemometrics

Research interest:

Development of spectroscopic and separation methods for analyzing biological molecules and organic compounds in food samples. Food Safety and Quality, Micronutrients, Nutrition assessment, Food Analysis. Also interested to combine analytical techniques with different Chemometric techniques to improve efficiency of the methods.

Research Products

Thesis

• Ephrem T.; Merid T., Determination of trace Metals in Commercially Available Khat ( Catha edulisForsk) in Addis Ababa, graduate project, department of chemistry, Addis Ababa University, 2009.
• Ephrem T., Pedro Araujo and Bjørn Grung, Isolation of lipid classes from nutritional marine oils: improved extraction strategy and discrimination studies based on the positional distribution of omega-3 polyunsaturated fatty acids on triacylglycerol structures using liquid chromatography tandem mass spectrometry and principal component analysis, graduate project Department of Chemistry, University of Bergen, Norway (2014)

List of publications:

• Tesfaye Nemomsa, Shimeles Addisu K., Ephrem Tilahun W. and Tadesse Haile F. : Indirect electrochemical determination of riboflavin (vb2) using 1, 4-benzaquinone modified carbon paste electrode, ACTA CHEMICA IASI , 28_1, (2020), 1 – 18.
• Temesgen Takele N., Tesfaye Refera S and Ephrem Tilahun W.: Electrochemical          determination of 2,4-dichlorophenoxyacetic acid using bismuth film modified screen printed carbon electrode. Afr. J. Chem., 71(2018,), 160–165
• Pedro Araujo, Ephrem Tilahun and Yingxu Zeng, A novel strategy for discriminating marine oils by using the positional distribution (sn-1,sn-2, sn-3) of omega-3  polyunsaturated fatty acids in triacylglycerols, Talanta,182(2018)32-37
• Pedro Araujo, Ephrem Tilahun, Joar Fjørtoft Breivik, Bashir Abdulkader, Livar Frøyland, Yingxu Zeng, A simple liquid extraction protocol for overcoming the ion suppression of  triacylglycerols by phospholipids in liquid chromatography mass spectrometry studies, Talanta 148 (2016) 463-47.
• EphremTilahun, Trace metals in Ethiopian Khat (book) publisher: VDM Verlag Dr. Müller Aktiengesellschaft& Co. KG, DudweilerLandstr. 99 66123 Saarbrücken, Germany, vdm-publishing.com, 2010.Available in www.amazon.com
• Aster K., Ephrem T.,Assessment of Physicochemical Parameters of Sombo Spring Water in Jimma Town, South-West Ethiopia, Elixir Appl. Chem. 111 (2017) 48693-48696

 Oral Presentations

1. Pedro Araujo, Ephrem Tilahun, Joar Fjørtoft Breivik, Bashir Abdulkader, Livar Frøyland, Yingxu Zeng, A simple liquid extraction protocol for overcoming the ion suppression of  triacylglycerols by phospholipids in liquid chromatography mass spectrometry studies, at the 8^th Annual Research Conference of Jimma University, Held on April 27-28, 2017.

Contact address:

P.O.Box:5067
Cell phone: +251 911311780

Fax:+251 471112214

E-mail:ephrem.tilahun@ju.edu.et,  ephy2000@yahoo.com,  ephremtw271@gmail.com