*
Corresponding authors
a
Institute for Tropical Technology (ITT)-Vietnam Academy of Science and Technology (VAST), 18 Hoang Quoc Viet, Cau Giay, Hanoi, Vietnam
E-mail:
ltlu@itt.vast.vn
b
Ceramics and Biomaterials Research Group, Ton Duc Thang University, Ho Chi Minh City, Vietnam
E-mail:
nguyenvietlong@tdt.edu.vn
c
Faculty of Applied Sciences, Ton Duc Thang University, Ho Chi Minh City, Vietnam
d
Faculty of Chemistry, Hanoi University of Science, Vietnam National University of Science, Hanoi, 19 Le Thanh Tong, Hoan Kiem, Hanoi, Vietnam
e
Institute of Materials Science-Vietnam Academy of Science and Technology (VAST), 18 Hoang Quoc Viet, Cau Giay, Hanoi, Vietnam
f
Biophysics Group, Department of Physics and Astronomy, University College London, Gower Street, London WC1E 6BT, UK
E-mail:
ntk.thanh@ucl.ac.uk
g
UCL Healthcare Biomagnetic and Nanomaterials Laboratories, 21 Albemarle Street, London W1S 4BS, UK
h
Graduate University of Science and Technology, VAST, 18 Hoang Quoc Viet, Cau Giay, Hanoi, Vietnam