About the Authors

Erqun Song

Affiliation Key Laboratory of Luminescence and Real-Time Analytical Chemistry (Ministry of Education), College of Pharmaceutical Sciences, Southwest University, Chongqing, People's Republic of China

Juanli Fu

Affiliation Key Laboratory of Luminescence and Real-Time Analytical Chemistry (Ministry of Education), College of Pharmaceutical Sciences, Southwest University, Chongqing, People's Republic of China

Xiaomin Xia

Affiliation Key Laboratory of Luminescence and Real-Time Analytical Chemistry (Ministry of Education), College of Pharmaceutical Sciences, Southwest University, Chongqing, People's Republic of China

Chuanyang Su

Affiliation Key Laboratory of Luminescence and Real-Time Analytical Chemistry (Ministry of Education), College of Pharmaceutical Sciences, Southwest University, Chongqing, People's Republic of China

Yang Song

songyangwenrong@hotmail.com

Affiliation Key Laboratory of Luminescence and Real-Time Analytical Chemistry (Ministry of Education), College of Pharmaceutical Sciences, Southwest University, Chongqing, People's Republic of China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: ES YS. Performed the experiments: ES JF XX CS. Analyzed the data: ES JF XX CS. Contributed reagents/materials/analysis tools: ES JF XX YS. Contributed to the writing of the manuscript: ES YS.