1. Department of Bionanosystem Engineering, Jeonbuk National University, Jeonju, Jeonbuk 561-756, South Korea
2. Department of Medical Practicing, Woori Convalescent Hospital, Jeonju, Jeonbuk 54914, South Korea
3. Department of Chemistry, Tribhuvan University, Tri-Chandra Multiple Campus, Kathmandu 44605, Nepal
4. Division of Mechanical Design Engineering, Jeonbuk National University, Jeonju, Jeonbuk 561-756, South Korea