1. Ph.D. Candidate, Dept. of Materials Science and Engineering, African Univ. of Science and Technology (AUST), Km 10 Airport Rd., P.M.B 681, Garki, Abuja, Federal Capital Territory, Nigeria; and Lecturer II, Dept. of Civil Engineering, Nigerian Turkish Nile Univ., Abuja, Nigeria.
2. Ph.D. Candidate, Dept. of Materials Science and Engineering, African Univ. of Science and Technology (AUST), Km 10 Airport Rd., P.M.B 681, Garki, Abuja, Federal Capital Territory, Nigeria; and Assistant Lecturer, Dept. of Materials Science and Engineering, Kwara State Univ., Ilorin, Nigeria.
3. Ph.D. Candidate, Dept. of Materials Science and Engineering, African Univ. of Science and Technology (AUST), Km 10 Airport Rd., P.M.B 681, Garki, Abuja, Federal Capital Territory, Nigeria; and Assistant Lecturer, Univ. of Ghana, Accra, Ghana.
4. Deputy Director, Biotechnology and Genetic Engineering Advanced Laboratory, Sheda Science and Technology Complex (SHESTCO), Km 32 Abuja-Lokoja Expressway, P.M.B 186, Garki, Abuja, Federal Capital Territory, Nigeria.
5. Profesor, Dept. of Food, Agricultural and Biological Engineering, Ohio State Univ., 590 Woody Hayes Dr., Columbus, OH 43210; and Professor, Dept. of Mechanical and Aerospace Engineering, 155 Werb Woodruff Ave., Columbus, OH 43210.
6. Professor, Dept. of Mechanical and Aerospace Engineering, Princeton Univ., 1 Olden St., Princeton, NJ 08544; and Professor, Dept. of Materials Science and Engineering, African Univ. of Science and Technology, Km 10 Airport Rd., P.M.B 681, Garki, Abuja, Federal Capital Territory, Nigeria (corresponding author).