1. Green Technology Research Center, Department of Chemical and Materials Engineering, Chang Gung University, 259 Wen-Hwa First Road, Kuei-Shan, Tao-Yuan 33302, Taiwan ROC
2. Biosensor Group, Biomedical Engineering Research Center, Chang Gung University, 259 Wen-Hwa First Road, Kuei-Shan, Tao-Yuan 33302, Taiwan ROC
3. Electronics and Optoelectronics Research Laboratories, Industrial Technology Research Institute, 195, Sec. 4, Chung Hsing Road, Hsinchu 31040, Taiwan ROC
4. Chemical Systems Research Division, Chung-Shan Institute of Science & Technology, Lung-Tan, Tao-Yuan 325, Taiwan ROC