Graphene-based 1D defective photonic crystal biosensor for real-time detection of cancer cells Abinash Panda, Puspa Devi Pukhrambam, Feng Wu and Walid Belhadj Eur. Phys. J. Plus, 136 8 (2021) 809 Published online: 06 August 2021 DOI: 10.1140/epjp/s13360-021-01796-z