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According to the British "Daily Mail" report, the sci-fi theme once again became a reality under the efforts of scientists: they created a nano-rocket! It is like the plot in the 1960s movie "The Wonderful Journey." This type of nano-rocket may one day execute medical tasks in the human body. This miniature device has been developed by researchers at the University of Nijmegen in the Netherlands. They believe that this technology will hopefully bring good news to patients.
The scientists said: "We think this is the first nano-motor that is actually available." Chief scientist Jan van Hest said: "Our nano-rockets are based on a simple design, that is, polymer vesicles. It is a spherical capsule." He said: "We can configure different content molecules in these capsules and match them with external marker molecules, functional enzymes or peptides, so we will hopefully open up some practical applications. , such as helping to deliver drugs in the body, etc."
Nanoparticles are 10 times smaller than the bacterial body size. They can self-assemble into microspheres and use hydrogen peroxide as a fuel. When platinum nanoparticles decompose, oxygen and water are generated, and at the same time, energy is released and the “small rocket†advances. Researchers wrote in Nature-Chemistry: "This will produce rapid emissions, including thrust and directional motion."
However, before this new technology is put into practical use, there are still some difficulties that need to be solved. Hydrogen peroxide is depleted at first, so this small rocket needs to be able to automatically replenish fuel, and it is itself toxic to human tissues. Scientists also need to learn how to operate them in the human body. However, the nano engineer, Joseph Wang of the University of California, San Diego, told reporters that this is "a key step to the "wonderful journey.""
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