1. State
Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry
and Chemical Engineering, Hunan University, Changsha 410082, P. R. China
2. Department
of Chemistry and Medicinal Chemistry Programme, National University of Singapore, Singapore 117543, Singapore
3. Laboratory
of Bioimaging
Probe Development, Singapore Bioimaging Consortium, Singapore 117543, Singapore