SIASUN(SZ:300024) Sou Hu Cai Jing·2025-10-21 07:49Group 1 - The core idea of the article is the development of a 3D micro-nano robot by the Chinese Academy of Sciences, which has the potential to treat diseases by operating within the human body [1] Group 2 - The micro robot resembles a small clip, measuring approximately 40 micrometers, and functions as a pair of flexible "mechanical hands" capable of performing precise tasks such as cell grabbing and particle releasing [3] - The mechanical hands are created using ultra-fast laser engraving technology, which allows for the rapid and precise sculpting of complex structures at the micron level [5] - The robot is equipped with a magnetic drive module that acts as a remote control receiver, enabling it to navigate through the micro world by responding to external magnetic fields [7] - The mechanical hands utilize pH-responsive materials that allow them to automatically open and close based on the acidity of their environment, enabling them to grasp cells in acidic conditions and release them in alkaline conditions [9] - Although still in the experimental phase, this micro mechanical hand represents a significant advancement in medical technology, potentially allowing for targeted drug delivery and cancer cell targeting without invasive procedures [9]