Danhong Yanab, Xiangyang Miaoab, Ronghua Maa, Huashan Yaoa, Jinlong Li*c & Ya Cao*ba Department of Medical Science and Technology, Suzhou Chien-shiung Institute of Technology, Taicang, P.R. Chinab Center for Molecular Recognition and Biosensing, School of Life Sciences, Shanghai University, Shanghai, P. R. Chinac Department of Laboratory Medicine, the Second Hospital of Nanjing, Nanjing University of Chinese Medicine, Nanjing, P. R. China