FULL NAME: YESHITILA ASTERAYE TSIGIE (PhD)
ADDRESS: BAHIR DAR UNIVERSITY
COLLEGE OF SCIENCE
DEPARTMENT OF CHEMISTRY
ORGANIC CHEMISTRY STREAM
OFFICE ADDRESS: LAW BUILDING, OFF. No. - LA 203
E-MAIL ADDRESS:yeshiasteraye@yahoo.com
EDUCATION
PhD, Applied Chemistry, National Taiwan University of Science and Technology, Taipei, Taiwan, January, 2013
M.Sc., Organic Chemistry, Addis Ababa University, Addis Ababa, Ethiopia, August, 2006
- , Chemistry, Bahir Dar University, Bahir Dar, Ethiopia, July, 2003
ACADEMIC APPOINTMENTS
2013 to now: Assistant Professor of Organic Chemistry at Bahir Dar University, Science College, Department of Chemistry, Bahir Dar, Ethiopia
2008-20012: Lecturer at Bahir Dar University, Science College, Department of Chemistry, Bahir Dar, Ethiopia
AWARDS AND HONORS
National Taiwan University of Science and Technology Scholarship Award – January 01, 2010 to December 30, 2012
Professor Lee-Chia-Ping’s Filial Piety Scholarship Award – April 18, 2012
OTHER MAJOR COMMITEE ASSIGNMENTS:
Organizing committee member during the 5th International Conference
TRAINING OF GRADUATE STUDENTS
Aschalew Teka, Production of Bioethanol from Rice Straw Using Saccharomyces Cerevisiae, 2016
Nurye Ahmed, Phytochemical Investigation and Antibacterial Activity Determination on the Root of Rumex Abyssinicus (mekmeko), 2016
Woldegebreal Woldegeorgis, Investigation of Phytochemicals and Determination of Antioxidant and Antibacterial Activities of Crude Extracts of Croton Macrostachyus (Bisana) Growing Shoot, 2016
Adamu Gurmessa Yadeta, Bioethanol Production From Wheat Straw, 2016
Teshager Mekonnen Tekaligne, Bioethanol production from finger millet (Eleusine coracana) straw, 2015
Yeniework Nigussie Ashagrie, Bioethanol Production from Avocado Seed Wastes Using Saccharomyces Cerevisiae, 2015
Yonathan Dagnachew, Extraction and characterization of Wanza (Cordia Africana) seed oil, 2015
COURSES TAUGHT
2013 - now:
Advanced Organic Chemistry I (Chem. 6421)
Advanced Organic Chemistry II (Chem. 6422)
Polymer Chemistry (Chem. 3121)
2009 - 2013
General Chemistry (Chem.101)
Organic Chemistry II (Chem.226)
Organic chemistry I (Chem.225)
Introduction to Biochemistry (Chem. 214)
Food Chemistry (Chem.212)
MEMBERSHIP IN PROFESSIONAL SOCIETIES
American Oil Chemists Society (AOCS) – starting from March 2012
American Chemical Society (ACS)– 2010 until now
Chemical society of Ethiopia (CSE)- 2006 until now
Ethiopian Teachers Association, 1997 – 2002
Ethiopian Red Cross Society – 1993
PUBLICATIONS
- PUBLICATIONS IN REFERRED INTERNATIONAL JOURNALS
Tsigie, Y.A., Wang, C.Y., Truong, C.T., Ju, Y.-H. 2011. Lipid production from Yarrowia lipolytica Po1g grown in sugarcane bagasse hydrolysate. Bioresource Technology, 102(19), 9216-9222.
Melwita, E., Tsigie, Y.A., Ismadji, S., Ju, Y.-H. 2011. Purification of Azadirachtin via silica gel column chromatography. Journal of Liquid Chromatography & Related Technologies, 34(19), 2462-2472.
Tsigie, Y.A., Wang, C.Y., Kasim, N. S., Huynh, L.H., Ho, Q. P., Troung, C.T., Ju, Y.H., 2011, Oil production from Yarrowia lipolytica Po1g using rice bran hydrolysate, Journal of Biomedicine and Biotechnology, (2012, doi:10.1155/2012/378384)
Tsigie, Y.A., Huynh, L.H., Ahmed, I.N., Ju, Y.H., Maximizing biodiesel production from Yarrowia lipolytica Po1g biomass using sub-critical water pretreatment, Bioresource Technology 2012, 111, 201-207
Engida, A.M., Kasim, N.S., Tsigie, Y.A., Ismadji, S., Huynh, L.H., Ju, Y.H., 2013, Extraction, identification and quantitative HPLC analysis of flavonoids from sarang semut (Myrmecodia pendan), Industrial Crops and Products, 41, 392–396
Ju, Y.H., Huynh, L.H., Tsigie, Y.A., Ho, P.H., 2013, Synthesis of Biodiesel in Subcritical Water and Methanol, Fuel, 105, 266-271
Tsigie, Y.A., Huynh, L.H., Nguyen, PL. T., Ju, Y.H., Catalyst-free biodiesel preparation from wet Yarrowia lipolytica Po1g biomass under subcritical condition, 2013, Fuel Processing Technology, 2013, 115, 50–56
Tsigie, Y. A., Huynh, L.H., Ismadji S., Engida, A. M., Ju, Y. H., In situ biodiesel production from wet Chlorella vulgaris under subcritical condition, 2012, Chemical Engineering Journal, 213, 104-108
Tsigie, Y. A., Wu, C.H., Huynh, L.H., Ismadji S., Ju, Y. H., Bioethanol production from Yarrowia lipolytica Po1g biomass, 2012, Bioresource Technology, 2013, 145, 210–216
Woldu, A.R., Ashagrie, Y.N., Tsigie, Y.A., Bioethanol Production from Avocado Seed Wastes Using Saccharomyces Cerevisiae,
Bioethanol Ethiopian Journal of Science and Technology, 8(1) 1- 13, 2015
- BOOK CHAPTER
Tsigie, Y.A., and Ju, Y.H., 2011, Sugarcane Bagasse: Pretreatment and Some Value Added Products, in Eds. Goncalves, J.F. and Correia, K.D.: Sugarcane: Production, Cultivation and Uses, Nova Science Publishers, ISBN: 9781619422131.
- OTHERS
PhD Dissertation: Synthesis of Fatty Acid Methyl Esters from Yarrowia lipolytica Po1g Biomass Grown in Sugarcane Bagasse Hydrolysate
M.Sc. THESIS: Tsigie, Y.A., Fiseha, A., 2006. Phytochemical investigation on the leaves of Leonotis ocymifolia, Addis Ababa University Libraries Electronic Thesis and Dissertations Database.
MAJOR RESEARCH INTERESTS
Biofuels research focusing on biodiesel, bioethanol, and biogas
Phyotochemical research focusing on the study of bioactive compounds from medicinal plants and food items
Environmental issues related to the chemistry of organic pollutants
REVIEWER IN INTERNATIONAL JOURNALS
Journal of Liquid Chromatography & Related Technologies – 2011 (1 paper)
Green Chemistry – 2012 (4 papers)
PRESENTATIONS IN INTERNATIONAL CONFERENCES
Lipid production from Yarrowia lipolytica Po1g grown in sugarcane bagasse hydrolysate, 103rd AOCS Annual meeting and expo, April 29 – may 02, 2012, Long Beach, California
Bioethanol Production from Yarrowia lipolytica Po1g Biomass, The 5th International Conference on Industrial Bioprocesses (IFIB-2012), October 7-11, 2012, Taipei, Taiwan
CONFERENCES ATTENDED
103rd AOCS annual meeting and expo, April 29 – May 02, 2012, Long Beach California
16th Conference on Biochemical Engineering, June 24-25, 2011, organized by Tatung University, Taipei , Taiwan
23rd Annual Congress of the Chemical Society of Ethiopia, 2007, Debub University, Hawassa, Ethiopia
12th Natural Products Research Network for Eastern and Central Africa (NAPRECA) Symposium, 22-26, July 2007, Addis Ababa University, Addis Ababa , Ethiopia
WORKSHOPS ATTENDED
Renewable Energy Workshop organized by National Taiwan University of Science and Technology, October 31, 2011, Taipei, Taiwan
3rd Green Chemistry Workshop in Ethiopian, 18–19th May 2007, Jimma University, Jimma, Ethiopia.
WEBINARS ATTENDED
Integration of LC-MS and HPLC Technologies for Compound Purification, hosted by C&EN, sponsored by SCYNEXIS, October 4, 2011.
New FTIR Solutions for Routine Chemical, Pharmaceutical, and Academic Applications, hosted by C&EN, sponsored by Agilent, October 6, 2011.