[1] Dept. of Sensor Eng., Grad. Sch./Sensor Technol. Res. Ctr., Kyungpook National University, Taegu 702-701, Korea, Republic of
[2] Dept. of Polymer Science and Eng., Pusan National University, Pusan 609-735, Korea, Republic of
[3] Dept. of Molec. Sci. and Technology, Ajou University, Suwon 442-749, Korea, Republic of
[4] Dept. of Dyeing and Finishing, Kyungpook National University, Taegu 702-701, Korea, Republic of