Scientists have developed nano-swarm robots, which can transform nano-robot technology into clinical applications in the future
Scientists in Hong Kong have developed a new method of controlling nanorobots. This pioneering method simulates natural group behavior, which is the first step that can make significant progress in thrombosis treatment.
Nanorobots are extremely small robots or machines, measured in nanometers, equivalent to one billionth of a meter. They can be used to complete nanoscale mechanical tasks, such as moving molecules with precision and mobility.
By using an oscillating magnetic field, the scientists can reconfigure the overlapping ribbons (pictured on the left) and clusters of masses (pictured on the right) into the shape of a nanocluster.
A team of scientists led by Li Zhang, an associate professor at the Chinese University of Hong Kong, designed and implemented a strategy of using an oscillating magnetic field to create highly recombinable ribbon clusters of nanorobots, composed of millions of magnetic nanoparticles, each nanometer The width of the particles is less than 1 micron, and the length is less than one-fifth of red blood cells.
As the programmer adjusts the applied magnetic field, the nanorobot swarm can perform various ranges of structural changes, including expansion, contraction, splitting, and merging, all with a high degree of accuracy.
Zhang’s findings were published in the August issue of Natural Science. He told CNN: “This high degree of recombination is a major discovery. Nanorobot swarms can be controlled and operated at high speeds, and this It's unprecedented."
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Most importantly, the complex transformations of these nanorobots can be completed within the life system of humans and animals.
Surgeons hope to manipulate nanorobots to pass through highly dense spaces within organs and blood vessels, so that nanorobots can break down blood clots and help deliver targeted drugs to cells.
For its potential medical applications, nanorobots are mainly in the R&D stage of production. Because human testing regulations are very strict, clinical trials of nanorobots on humans have not yet been approved.
Zhang's team will continue to work with the medical team to explore the potential of nanorobots in the clinical field. In particular, nanorobots can be used to solve gastrointestinal diseases by manipulating the gastrointestinal tract.
Zhang said: "I work with doctors from the Prince of Wales Hospital in Hong Kong. I hope we can transform nanorobot technology into clinical applications within five years. We are now conducting research on animals."
One of the goals of Zhang's project is to imitate group behaviors found in nature, where groups can interact and achieve things that individual groups cannot do. For example, birds, fish, insects and even bacteria all exhibit group behavior.
Zhang said that this project was also influenced by nanobots in movies and pop culture.
Zhang said: “One of the movies is Big Hero 6 and shows some concepts related to the micro robot group. The other movie is Transformers, which shows how robot dogs can deploy thousands of small sphere robots. Invade the base."
Of course, the application of nanorobots still has limitations. For example, because of the fast blood flow, they cannot be used in the heart, which would immediately wash away the robot.
"It is important that we recognize the current restrictions on nanorobots," Zhang said, "but I hope that more people can pay more attention to the research of nanorobots...This is very exciting."
"I always tell my students,'We work together and take risks because we are still learning. We will witness what will happen in the future.'"
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