1. Biotechnology Department, Addis Ababa Science and Technology University, Addis Ababa, P.O. Box 1647, Ethiopia
2. Industrial Chemistry Department, Addis Ababa Science and Technology University, Addis Ababa, P.O. Box 1647, Ethiopia
3. Nanotechnology Center of Excellence, Addis Ababa Science and Technology University, Addis Ababa, P.O. Box 1647, Ethiopia
4. Biotechnology and Bio-processing Center of Excellence, Addis Ababa Science and Technology University, Addis Ababa, P.O. Box 1647, Ethiopia