1. Division
of Chemistry and Biological Chemistry, School of Physical and Mathematical
Sciences, Nanyang Technological University, 21 Nanyang Link, Singapore 637371,
2. Biomaterials
group, CSIR-Indian Institute of Chemical Technology, Hyderabad, India 500007,
3. Department
of Theoretical Chemistry and Biology, School of Biotechnology, KTH Royal Institute of Technology, Stockholm, Sweden SE-10691
4. School
of Materials Science and Engineering, Nanyang Technological University, Singapore 639798