1. Ph.D. Candidate, African Univ. of Science and Technology, P.M.B. 681, Garki - Abuja, Federal Capital Territory, Nigeria; and Assistant Lecturer, Univ. of Ghana, Accra, Ghana.
2. Ph.D. Candidate, African Univ. of Science and Technology, P.M.B. 681, Garki - Abuja, Federal Capital Territory, Nigeria.
3. Deputy Director, Biotechnology Laboratory, Sheda Science and Technology Complex (SHESTCO), P.M.B. 186, Garki - Abuja, Federal Capital Territory, Nigeria.
4. Lecturer and Research Specialist II, Dept. of Mechanical and Aerospace Engineering, Princeton Univ., 1 Olden St., Princeton, NJ 08544.
5. Professor, Dept. of Mechanical and Aerospace Engineering, Princeton Univ., 1 Olden St., Princeton, NJ 08544; Professor, Dept. of Materials Science and Engineering, African Univ. of Science and Technology, P.M.B. 681, Garki - Abuja, Federal Capital Territory, Nigeria (corresponding author).