Release date: 2008-01-10 US scientists drive nano-robots with sperm Recently, American scientists announced that they first copied a biological engine similar to the sperm that can drive their tails and successfully applied them to nano-robots.
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Scientists claim that they have applied the improved biological engine to nano-robots, which can drive nano-robots through the body like sperm. In this way, the nano-robot can be used to transport drugs to a given lesion or to process missing enzymes for healthy human function.
Mammalian sperm must transmit energy to the slender whip tail to power their movement. A large part of the sperm is solved by the energy generated in the field, which modifies the glycolysis biochemical enzymes so that these enzymes can attach to most of the solid structure at the tail of the sperm. In this safe location, the saccharolytic enzyme converts the sugar into adenosine triphosphate, which always supplies energy to the swinging sperm tail.
This subtle robot produces bioenergy by sugar degradation, the high energy molecule ATP. Alex Travis, assistant professor of reproductive biology at the Department of Veterinary Medicine at Cornell University in the United States, said: "We study sperm and know how it works and apply it to nanodevices."
Travis's research team found that these enzymes don't stick to the soft, cellular material like most enzymes, but stick to the rigid fibrous tissue of the sperm tail. Sperm enzymes work naturally on hard surfaces and tend to stick to artificial devices. To this end, scientists have changed some of the properties of this enzyme, allowing it to adhere to the fiber's tail tissue, allowing it to attach to the nickel ions on the artificial chip.
At present, the researchers of this project have attached 2 rows of 10 rows of enzymes to each other, and a row in the middle to maintain order. When they are attached to each other, the enzyme is activated to perform its function. According to reports, if all 10 rows of enzymes can be activated to work in an orderly manner, it constitutes a biological engine and uses the blood sugar of the human body as a fuel to exert its special functions. ——Shanghai Medical Device Industry Association Network
US scientists drive nanobots with sperm