Fig. 3
From: Metasurface-assisted bioelectronics: bridging photonic innovation with biomedical implants
Implantable metasurface-based devices for stimulation, biosensing, and virtual reality applications. a Metasurface–integrated antenna for breast cancer detection based on implantable metasurface devices. b Metasurface-based microfluidic device for in vitro sensing, adapted with permission from ref. 87©, Geng, Z et al., published by Springer Nature Limited. c Implantable metasurface hydrogel for drug delivery. d Conceptual schematic of a waveguide-based AR display system utilizing three types of meta-devices and a subretinal prosthesis device; adapted with permission from ref. 89©, Ramirez, K. A. et al. published by BioMed Central Ltd unless otherwise stated. Part of Springer Nature. e Brain-computer interface device embedded with metasurface. f Metasurface-Based Bioelectronic Implants for Cardiovascular Diagnosis and Therapy
