1. Department of Chemistry Chungnam National University Daejeon 34134 Republic of Korea
2. Department of Applied Chemistry Adama Science and Technology University P.O.Box 1888 Adama Ethiopia
3. Department of Cogno-Mechatronics Engineering Pusan National University Busan 46241 Republic of Korea
4. Department of Chemical Engineering and Applied Chemistry Chungnam National University Daejeon 34134 Republic of Korea