1. Center
for Bioelectronics and Biosensors, Biodesign Institute, Arizona State University, Tempe, Arizona 85287, United States
2. School
of Electrical Computer and Energy Engineering, Arizona State University, Tempe, Arizona 85287, United States
3. College
of Chemistry and Chemical Engineering, Chongqing University, Chongqing 400044, China
4. State
Key Laboratory of Analytical Chemistry for Life Science, School of
Chemistry and Chemical Engineering, Nanjing University, Nanjing 210093, China
5. Amgen Inc., Thousand Oaks, California 91320, United States