Fig. 6: Different designs of NFC/RFID-based implantable sensors.
From: NFC/RFID-enabled wearables and implants for biomedical applications
a Wireless, battery-free optoelectronic systems as subdermal implants for local tissue oximetry (upper)73 and a wireless optoelectronic probe to monitor oxygenation in deep brain tissue (lower)74. Copyright 2019, AAAS; Copyright 2024, Springer Nature. b Subcutaneous implants for wireless power and data transmission3. Copyright 2023, Springer Nature. c Schematic illustration of the sensing part3. Copyright 2023, Springer Nature. d Photograph of the dissolved device placed in a simulated environment (equivalent to 14 days after the device was implanted in a mouse)78. Copyright 2016, Springer Nature. e Biodegradable, flexible and passive arterial-pulse sensor design8. Copyright 2019, Springer Nature. f Wireless, fully implantable cardiac stimulation and recording device for closed-loop pacing and defibrillation79. Copyright 2022, AAAS. g Schematic illustration of the Flexible implantable closed-loop multimodal sensing system80. Copyright 2023, Springer Nature
