Tiny lamprey-inspired robot could locate diseases inside the human bodyView gallery - 4 images
Could tiny robots one day swim through our bodies to detect disease? That's the vision of scientists in the U.K. and U.S. who have turned to the sea lamprey for inspiration in an effort to design a micro-robot capable of doing just that. While not the prettiest of sea creatures, the jawless, blood-sucking lamprey finds itself the subject of this biomimicry project not only because of its ability to swim, but because of its primitive nervous system, which researchers believe can be reproduced as part of a micro, or even nano-scale robot.
The robot dubbed "Cyberplasm" is being developed as part of an international collaboration funded by the Engineering and Physical Sciences Research Council (EPSRC) in the UK and the National Science Foundation (NSF) in the USA.
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While real world sea-lampreys can be up to 90 cm (35.5 inches) long, the goal of the Cyberplasm project is to create a prototype robot less than 1 cm in length (and eventually less than 1 mm or smaller) that contains an electronic microchip "brain" and an electronic nervous system with sight and smell perception derived from mammalian cells as well as artificial muscles powered by glucose.
Researchers say the robot would respond to light and chemicals in the same way as biological systems, allowing it to navigate its way through the body collect data from its surroundings, including information on the presence of disease.
“Nothing matches a living creature’s natural ability to see and smell its environment and therefore to collect data on what’s going on around it,” says bioengineer Dr Daniel Frankel of Newcastle University, who is leading the UK-based work.
The sensors being developed for Cyberplasm could also find applications in areas such as advanced prosthetics by enabling living muscle tissue to be controlled by light waves or electronic signals.
While it may sound far fetched, researchers hope the project will bear fruit in the medium term.
“We’re currently developing and testing Cyberplasm’s individual components,” says Daniel Frankel. “We hope to get to the assembly stage within a couple of years. We believe Cyberplasm could start being used in real-world situations within five years.”
Source: EPSRCView gallery - 4 images