Research Associate Postdoctoral

*

Dr. Welday Desta Weldu

Email: *******@*****.***

Mobile: +1-786-***-****

Work Experience

Postdoctoral Research Associate University of Miami, Department of Chemistry, 1301 Memorial Dr, Coral Gables, 33146, Miami, Florida, USA.

Postdoctoral Research Associate Institute of Chemistry, Academia Sinica, No. 128, Section 2, Academia Rd, Nangang District, Taipei City, 11529, Taiwan, Taiwan

October 2023 – Present

February 2022 – September 2023

Lecturer Department of Chemistry, Samara University, Samara, Ethiopia

July 2013 – August 2017

• Teaching courses, conducting research and community services

Taught courses: Organic chemistry I, Organic chemistry II, Physical organic chemistry, Biochemistry, Polymer

chemistry, Food chemistry, Agricultural chemistry

Conducting research: I conducted research with the title

“Investigating the application of Ficus carica and Solanum incanum extracts in coagulating milk.”

Community service: I initiated and implemented “Mobile laboratory outreach program for high school students of Afar region, Ethiopia.”

Graduate Assistant/ Assistant Lecturer Department of Chemistry, Samara University, Samara, Ethiopia

December 2008 – August 2011

• Teaching courses and conducting community services

Taught courses: General Chemistry, Chemistry educational subject matter

Community service: Science experiment demonstration for high school students in Samara town, Afar region,

Ethiopia.

2

Education

Ph.D., Sustainable Chemical Science and Technology National Yang Ming Chiao Tung University, Hsinchu, Taiwan and Academia Sinica, Taipei, Taiwan

September 2017 – January 2022

• Thesis: Methodology Development for Regioselective Protection of Sugars and Donor-Acceptor Reactivity-Based Statistical Assessment of Chemical Glycosylation

M.Sc., Chemistry – Organic Bahir Dar University, Bahir Dar, Ethiopia

September 2011 – July 2013

• Thesis: Comparative study of the antioxidant and antibacterial activities of Rumex abyssinicus with commercially available Zingiber officinale and Curcuma longa in Bahir Dar city, Ethiopia

B.Ed., Chemistry with Mathematics Minor Mekelle

University, Mekelle, Ethiopia

September 2005 – July 2008

Trainings

Training certificate on SPSS 20 software package Bahir Dar University, Bahir Dar, Ethiopia

April 27 – May 1, 2013

• Data management, summary statistics and tables, graphics, inferential statistics, ANOVA, linear regression analysis and logistic regression

Higher diploma license certifying as a professional teacher educator Samara University, Semera, Ethiopia

October 2010 – March 2011

• General pedagogical training of developing professional skills such teaching methodologies, teaching activities, teaching aids, assessment techniques, action research

Skills

• Computer skills: Competent with most of Microsoft office programmes (Word, PowerPoint, Excel), Chemdraw and Origin softwares; good skill of basic data processing using SPSS 20 software package

3

• Instrumental skills: NMR data acquisition, processing and interpretation of both lD ( 1

H,

13

C, lD

Sel. TOCSY) and 2D (COSY, NOESY, HSQC and HMBC) experiments using TopSpin software, cyclic voltammetry, PuriFlash column chromatography, HPLC, MPLC, EPR, IR and UV analysis

• Other skills and expertise: Cell culture and imaging, cell metabolite extraction, BCA protein assay, western blotting, fluoroscence measurement and analysis, natural product isolation, phytochemical screening and bioassay study, reaction optimization, conducting reactions under low and high temperatures, reactive intermediate identification under low temperature NMR, conducting moisture and air sensitive reactions under inert atmosphere, carrying out small and large scale reactions, literature review and manuscript writing, solid knowledge of organic transformations and their meachanisms, purification via recrystallization, traditional column chromatography, PuriFlash chromatorgraphy, HPLC and MPLC, reactivity determination, prouct quantification and ratio analysis using HPLC and

1

H NMR, reaction database search using Reaxys and SciFinder.

• Professional skills: Mentoring, lesson plan preparation, student-centered teaching approaches, classroom management, assessment techniques, criterion-based evaluation, curriculum preparation, educational module compilation, utility of teaching aid. Conference Presentations

• Donor-Acceptor Reactivity-Based Statistical Assessment of Chemical Glycosylation. Oral Talk, Taiwan GlycoForum Retreat, May 5-6, 2022, New Taipei City, Taiwan.

• Donor-Acceptor Reactivity-Based Statistical Assessment of Chemical Glycosylation. Poster, Chemistry National Meeting, March 11-13, 2022, National Taiwan Normal University, Taipei City, Taiwan.

• Selective Acetylation of Non-anomeric Groups of per-O-Trimethylsilylated Sugars. Poster, 21 st

Tetrahedron Symposium, June 21-24, 2021, Online.

• Investigating the application of Ficus carica and Solanum incanum extracts in coagulating milk: The case of traditional practice in Ab’ala area, Afar regional state, Ethiopia. Oral Talk, National Conference, May 27-28, 2017, College of Natural and Computational Sciences, Samara University, Samara, Ethiopia.

• Comparative study of the antioxidant and antibacterial activities of Rumex abyssinicus with commercially available Zingiber officinale and Curcuma longa in Bahir Dar city, Ethiopia. Oral Talk, 31 st

Annual

Congress of the Chemical Society of Ethiopia, March 7, 2015, Addis Ababa University, Ethiopia. 4

Awards

• University of Miami postdoctoral research associate fellowship, October 2023 – September 2024.

• Taiwan Ministry of Science and Technology postdoctoral research fund, August 2022 – September 2023.

• Academia Sinica postdoctoral research grant, February 2022 – July 2022.

• Taiwan International Graduate Program (TIGP) Scholarship Grant for Ph. D. study, 2017.

• Gold medal from Mekelle University, Ethiopia, for highest academic performance during my undergraduate study, 2008.

Publications and Ongoing projects

• Welday, D. W.; Samuel. A. O.; Christian, A.* Examining the wound healing effect of glucosamine analogs using the scratch assay with different cell lines. 2024. (Ongoing project)

• Samuel. A. O.; Welday, D. W.; Keerthana, J.; Kelsie, A. B.; Christian, A.* Design Principles for Immunomodulatory Biomaterials. ACS Appl. Bio Mater. 2024, xxxx, xxx, xxx-xxx.

• Welday, D. W.; Wang, C. -C.* Rationalizing the Stereoelectronic Influence of Interglycosidic Bond Conformations on the Reactivity of 1,4-O-Linked Disaccharide Donors. J. Org. Chem. 2021, 86, 179**-*****.

• Welday, D. W.; Wang, C. -C.* Selective Acetylation of Non-anomeric Groups of per-O- Trimethylsilylated Sugars. J. Org. Chem. 2021, 86, 5336–5344.

• Alemayehu, Y.*; Welday, D. W. Comparative study of the antioxidant and antibacterial activities of Rumex abyssinicus with commercially available Zingiber officinale and Curcuma longa in Bahir Dar city, Ethiopia. Chem. Biol. Technol. Agric. 2021, 8, 1–11.

• Welday, D. W.; Shumbahri, M.; Gebrehiwot, S.* Application of Ficus Carica L. and Solanum Incanum L. Extracts in Coagulation of Milk: The Case of Traditional Practice in Ab’ala Area, Afar Regional State, Ethiopia. Biochem. Res. Int. 2020, 2020, 1–7. 5

References

• Dr. Cheng-Chung Wang Research Fellow, Institute of Chemistry, Academia Sinica, Taipei, Taiwan Email: **********@****.******.***.** Phone: +886-*-********

• Dr. Cedric Po-Wen Chung Associate Research Fellow, Institute of Chemistry, Academia Sinica, Taipei, Taiwan Email: ***********@****.******.***.** Phone: +886-*-********

• Dr. Kesatebrhan Haile Asressu Postdoctoral Researcher, University of North Carolina at Chapel Hill, UNC Eshelman School of Pharmacy, Genetic Medicine Building, NC, USA Emails: *********@****.*** or ********@*****.*** Phone: +1-980-***-**-**

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