Communications of the ACM
Amoeba-Like Robot Programmed With Dna
Tohoku University researchers have developed a tiny robotic system that is controlled by DNA and moves like a living cell.
Credit: ScienceRobotics
Researchers at Tohoku University in Japan have developed a tiny robotic system that is programmed and controlled by DNA and moves like a living cell.
The molecular robot is a fluid-filled sac containing 27 biological and chemical components, according to Tohoku University's Shin-ichiro Nomura. The molecular components work together to stretch and change the shape of the sac, propelling it with cell-like motion through a fluid environment.
Key proteins called kinesins and microtubules connect to the lipid membrane via anchor units, which are linked by light-sensitive DNA.
The robot can serve as a vehicle to house a range of technologies, including tiny computers, sensors, and drugs.
Nomura notes the robot could tbe used to explore the biomolecular environment.
The researchers also developed a way to package and ship the tool as a kit, so other scientists can study the system and incorporate their own components.
From IEEE Spectrum
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