1. Materials Science and Engineering Programme; Faculty of Science; Mahidol University; Bangkok Thailand
2. Department of Pathology; Faculty of Medicine Ramathibodi Hospital; Mahidol University; Bangkok Thailand
3. Department of Physics; Faculty of Science; Mahidol University; Bangkok Thailand
4. School of Electronic Engineering; Institute of Engineering, ; Suranaree University of Technology; Nakhon Ratchasima Thailand
5. Bioengineering and Sensing Technology Laboratory; BIOTEC; National Science and Technology Development Agency (NSTDA); Pathum Thani Thailand