1. Division of Chemistry and Biological Chemistry, School of Physical & Mathematical Sciences, Nanyang Technological University, 637371 Singapore
2. International Nanobody Research Centre of Guangxi, Guangxi Medical University, Nanning, Guangxi 530021, China
3. State Key Laboratory of Rare Earth Resource Utilization, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, China
4. School of Chemical & Biomedical Engineering, Nanyang Technological University, 637549 Singapore