Enhanced circular dichroism and biosensing application of planar chiral nanostructure by covering graphene nanobeltsJun Dong, Qijing Wang, Wei Gao, Qingyan Han, Kaili Ren, Xiang Lan, Zhidong Zhang and Yongkai WangEur. Phys. J. D, 75 2 (2021) 55DOI: https://doi.org/10.1140/epjd/s10053-021-00063-1