1. College of Chemistry and Chemical Engineering
2. Qingdao University
3. Qingdao 266071
4. P. R. China
5. Shandong Province Key Laboratory of Detection Technology for Tumor Makers
6. Linyi University
7. Linyi 276000
8. Laboratory of Optic-electric Sensing and Analytical Chemistry for Life Science
9. MOE
10. Shandong Key Laboratory of Biochemical Analysis
11. Key Laboratory of Analytical Chemistry for Life Science in Universities of Shandong
12. College of Chemistry and Molecular Engineering