Nursing Reagent-"Nature-Materials Science": The world's first controllable nano gear
Scientists at the Institute of Materials Research and Engineering of the Singapore Science and Technology Research Institute have developed the world's first molecular gear attached to the atomic axis. Its size is only 1.2 nanometers, and its rotation can be precisely controlled. This research marks a major breakthrough in molecular-level mechanical research, and related articles were published in the recently published Nature Materials.
Prior to this, the movement of molecular gears and propellers usually consisted of a mixture of rotational and lateral displacements, and moved in an unordered manner, and Professor Christine Joakim and his team And the electronic connection between the tips of the scanning tunnel microscope realizes good control of the gear rotation, thus solving the scientific problem of disordered movement. As the lead person in this research, Professor Jojim said that it is not difficult to make an atom-sized gear, but it is not easy to achieve precise control of the movement of micro gears. What they have done is to create gears that are truly controllable and lay the foundation for more complex molecular machinery in the future.
The researchers successfully controlled the rotation of single-molecule-sized gears through molecular design and manipulation, which is another breakthrough in the field of nanotechnology. Dr. Jianwei Lin, Executive Director of the Institute of Materials Research and Engineering, pointed out that Kristin and his team ’s research shows that it will one day be possible to manufacture and manipulate molecular-level mechanical devices. By that time, molecular-level machinery can walk in DNA, accurately reach the affected area, and promote the rapid recovery of patients; at present, many countries have listed the development of such productive nanosystems as development goals. As the industry advances the development of cutting-edge nanotechnology, people's understanding of emerging nanoscale phenomena will also be deepened. This research is a very valuable step in the application of nanotechnology. In future research, scientists will be able to integrate the understanding of nano phenomena into actual nano research and technological breakthroughs, so that nano robots often appear in science fiction movies. And nano-mechanical devices become reality as soon as possible.
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