1. Department of Bionanotechnology and Bioconvergence Engineering, Graduate School, Jeonbuk National University, Jeonju 561-756, Republic of Korea
2. Division of Mechanical Design Engineering, Graduate School, Jeonbuk National University, Jeonju 561-756, Republic of Korea
3. Department of Mechanical Design Engineering, Graduate School, Jeonbuk National University, Jeonju 561-756, Republic of Korea
4. Eco-friendly Machine Parts Design Research Center, Jeonbuk National University, Jeonju 561-756, Republic of Korea
5. Department of Nano-Bio Mechanical System Engineering, Graduate School, Jeonbuk National University, Jeonju 561-756, Republic of Korea