The article "Body-attachable multifunctional electronic skins for bio-signal monitoring and therapeutic applications" by Kang Hyeon Kim, Jeong Hyeon Kim, Yu Jin Ko, and Han Eol Lee discusses the development and advancements of electronic skin (e-skin) systems for healthcare applications. The authors highlight the global need for improved medical infrastructure and accessibility, particularly in the context of infectious diseases and chronic conditions. They emphasize the role of wearable e-skin systems in real-time biosignal monitoring and personalized healthcare solutions. Key points include: 1. **Introduction to E-Skins**: E-skins are flexible, conformal devices that can be attached to the skin, offering advantages such as small size, lightweight, and continuous monitoring of vital signs like heart rate, blood pressure, and glucose levels. 2. **Material and Device Advancements**: The article reviews various materials and device structures used in e-skin systems, including organic and inorganic materials, and advanced fabrication techniques like 3D stacking and heterogeneous integration. 3. **Unit Sensing Components**: Detailed discussions on piezoelectric and capacitance-based mechanical sensors, transistor-based mechanical sensors, and optoelectronics-based sensors, highlighting their sensitivity, reliability, and integration with e-skin systems. 4. **Human-Device Interfaces**: The importance of designing e-skin systems to minimize skin-related issues, such as irritation and inflammation, through perforated patterns and biocompatible substrates. 5. **Power Sources**: The need for self-powered e-skin systems to reduce environmental impact, with a focus on triboelectric nanogenerators (TENGs) and electromagnetic generators (EMGs) as potential solutions. The article concludes by emphasizing the potential of e-skin systems to revolutionize healthcare by providing real-time, accurate, and personalized monitoring and treatment of various diseases.The article "Body-attachable multifunctional electronic skins for bio-signal monitoring and therapeutic applications" by Kang Hyeon Kim, Jeong Hyeon Kim, Yu Jin Ko, and Han Eol Lee discusses the development and advancements of electronic skin (e-skin) systems for healthcare applications. The authors highlight the global need for improved medical infrastructure and accessibility, particularly in the context of infectious diseases and chronic conditions. They emphasize the role of wearable e-skin systems in real-time biosignal monitoring and personalized healthcare solutions. Key points include: 1. **Introduction to E-Skins**: E-skins are flexible, conformal devices that can be attached to the skin, offering advantages such as small size, lightweight, and continuous monitoring of vital signs like heart rate, blood pressure, and glucose levels. 2. **Material and Device Advancements**: The article reviews various materials and device structures used in e-skin systems, including organic and inorganic materials, and advanced fabrication techniques like 3D stacking and heterogeneous integration. 3. **Unit Sensing Components**: Detailed discussions on piezoelectric and capacitance-based mechanical sensors, transistor-based mechanical sensors, and optoelectronics-based sensors, highlighting their sensitivity, reliability, and integration with e-skin systems. 4. **Human-Device Interfaces**: The importance of designing e-skin systems to minimize skin-related issues, such as irritation and inflammation, through perforated patterns and biocompatible substrates. 5. **Power Sources**: The need for self-powered e-skin systems to reduce environmental impact, with a focus on triboelectric nanogenerators (TENGs) and electromagnetic generators (EMGs) as potential solutions. The article concludes by emphasizing the potential of e-skin systems to revolutionize healthcare by providing real-time, accurate, and personalized monitoring and treatment of various diseases.