According to foreign media reports, scientists for the first time successful development of a live muscle cell-driven walking robot, which is composed of biological muscle and mechanical components.
The bio-muscle is very pliable, allowing robots to advance in the lab, and researchers say it will lead the advent of a new generation of flexible "biological robots." Researchers at the University of Illinois, USA, developed this miniature muscle-driven biological robot that is controlled by current control.
"Walking robot" is driven by stromal muscle cells and controlled by current pulses. Rashid Bashir, a bioengineering engineer at the University of Illinois at Urbana-Champaign, who heads the research report, said: "Muscle-cell-driven biological activity is an essential element for scientists looking to build any biomechanical device and we're trying to somehow Engineering principles and biology together, in order to achieve the design and development of biomechanical devices and environmental medical applications system.
Biology is very powerful, and if we take advantage of it somehow, we will have some surprising discoveries. Bashir is a pioneer in the design and manufacture of biological robots. The newly developed microbiobot is less than 1 cm long and is made of pliable 3D printed hydrogel material and living cells.
Previously, the team confirmed that biological robots could "walk" independently of each other, powered by mouse cardiac cells, whereas heart cells often contracted, making it less convenient for researchers to control robot movements. So for engineers, the use of heart cells developed biological robot is very difficult to start, stop, accelerate or slow down.
The newly developed Walking Robot is a strip-shaped skeletal muscle cell that is triggered by a current pulse. Researchers use extraordinary methods to control biological robots and open up the possibility of other forward-looking designs. Engineers can customize biobots on demand so that they Complete some special applications.
Inspired by the muscular-tendon-skeletal complex found in nature, this micro-robot is based on a 3D printed hydrogel that is extremely sturdy but flexible enough to bend like a joint.
Two columns are used to anchor the streak muscles to the hydrogel backbone, just as tendons attach muscles to the bones, while two columns act as the legs of a biological robot. Researchers can control the robot's walking speed by regulating the current pulse frequency.
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