Fig. 9
From: Reconfigurable flexible metasurfaces: from fundamentals towards biomedical applications
Metasurfaces used for immunoassay (a) Schematic diagram of graphene-gold metasurface structure ultrasensitive plasmonic for ultrasensitive Plasmonic detection. Reproduced with permission from [102], copyright John Wiley and Sons, 2015. b Schematic of metasurface sensor chip for immunoassay. Reproduced with permission from [131], copyright MDPI, 2021. c Photograph and SEM image of large-area flexible metasurface for tumor markers detection. Reproduced with permission from [28], copyright Elsevier, 2020