Fig. 9: NFC/RFID-based wearable and implantable drug delivery systems.

a A smart wound dressing that detects the various physiological parameters of the wound surface and delivers drugs¹¹⁹. Copyright 2021, Wiley-VCH. b A wireless and closed-loop smart dressing that releases drugs by heating liquid metal coils¹². Copyright 2023, Wiley-VCH. c Schematic illustration of a soft, wireless implantable drug delivery system in the subcutaneous region with images of the front and backside of the system¹¹. Copyright 2021, AAAS. d The biodegradable RF drug delivery device can realize multiple drug delivery¹²⁹. Copyright 2020, AAAS. e Drug release simulation¹²⁹. Copyright 2020, AAAS. f The degradation process of a soft implantable energy supply system that can be charged wirelessly¹³⁰. Copyright 2023, AAAS