1. Key Laboratory of Sensor Analysis of Tumor Marker
2. Ministry of Education
3. College of Chemistry and Molecular Engineering
4. Qingdao University of Science and Technology
5. Qingdao 266042
6. Shandong Province Key Laboratory of Detection Technology for Tumor Makers
7. College of Chemistry and Chemical Engineering
8. Linyi University
9. Linyi 276000
10. P. R. China