We know that for many diseases, oral or injectable drugs are actually helpless, because at present we can not accurately apply drugs inside the body. But in the near future, this situation may be changed by a technological innovation, it is a legend for a long time - "micro-robots that can swim."
This robot can shuttle through human blood and identify the point of attack (the area of ​​medication). It's like the scene described in the 1966 film Fantastic Voyage, except that we can't make submarines or humans smaller like in movies. We can control this micro-robot in vitro to allow them to shuttle freely in the blood.
Take a look at the video below and you may have a more intuitive experience. Shown in the video is the chains of iron oxide beads joined together and driven by an external magnetic field. The shape of the robot resembles a bottle opener (similar to several other blood micro-robots), which acts to block arterial occlusion and deliver anticoagulant drugs.
The micro-robot was jointly developed by the Daegu Gyeongbuk Institute of Science and Technology (DGIST) in Korea and 10 other research institutions around the world, including the University of Philadelphia Drexel. According to MinJun Kim, a professor of bioengineering at Drexel University, the main component of this robot is inorganic biodegradable beads, so it does not trigger an immune response. Its volume and surface properties can also be adjusted to accurately cope with various types of arterial occlusion.
Jim also revealed that the development of this robot was inspired by Borrelia burgdorferi, a spiral-shaped bacterium that causes Lyme's Disease. The ultimate goal of developing such a robot is to replace traditional arterial removal techniques such as stenting and angioplasty, the researchers said.
Jim said: "The current success rate of complete occlusion treatment for chronic arteries is only 60%, and the success rate of the method we are developing is expected to reach 80% to 90%."
Recently, researchers published the technology in the journal of nanoparticle research. They said that the laboratory test will last at least four years. According to industry insiders, although it takes several years to apply to actual clinical practice, this robotic technology can avoid unnecessary systemic medication.
About Daegu Gyeongbuk Science and Technology Institute, Korea
In order to promote technological development and competitiveness of regional industries, and to study cutting-edge scientific industries such as information and communication technologies, nanotechnology, and life sciences and technology, to promote economic development in the Gyeongbuk region and contribute to national science and technology, the Ministry of Science and Technology of Korea In 2005, Daegu Gyeongbuk Science and Technology Institute was established. The school is located in the Central District of Daegu City, South Korea, with a total area of ​​330 square kilometers. The Daegu Gyeongbuk Science and Technology Institute is dedicated to the development and improvement of the efficiency of new energy sources such as solar energy, bacterial fuels and fuel cells, as well as the development and improvement of new energy sources, the application of materials for ensuring energy density, the production of gas energy and Storage, materials for improving the efficiency of geothermal energy use and the most important projects for core machinery development. (quoted from Baidu Encyclopedia)
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