Nanogenerators in Biomedical Frontiers: Revolutionizing Self-Powered Healthcare Systems

This review discusses the transformative potential of self-powered nanogenerators in biomedical applications, focusing on their ability to harvest biomechanical or environmental energy for continuous operation without external power sources. Key applications include regenerative hair growth techniques using electrical stimulation, motion-triggered drug release patches, biocompatible electronic skin for real-time sensing, and various wearable health monitoring devices. The review evaluates the opportunities and challenges of these technologies, such as energy conversion efficiency and long-term biocompatibility, and highlights the need for further research to transition from laboratory prototypes to practical healthcare solutions.