Hyperbolic metamaterials-based plasmonic biosensor for fluid biopsy with single molecule sensitivity Kandammathe Valiyaveedu Sreekanth, Mohamed ElKabbash, Yunus Alapan, Efe Ilker Ilker, Michael Hinczewski, Umut A. Gurkan and Giuseppe Strangi EPJ Appl. Metamat., 4 (2017) 1 Published online: 13 January 2017 DOI: 10.1051/epjam/2016015