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MIT's sucker fish-inspired device sticks inside your gut to deliver drugs efficiently | A device helps deliver drugs and vaccines, as well as delivering zaps of electricity to stimulate appetite by activating specific hormones in the body.
There's a type of ocean fish called the Remora that has an oval slatted disc on the top of its head which it uses like a suction cup to stick to sharks and other larger marine creatures.
But it's that suction cup-like organ that's inspired Massachusetts Institute of Technology (MIT) researchers to create a capsule-sized platform that can stick to a wide range of surfaces when submerged in water or even acidic conditions. It consists of a stainless steel 'backbone' that supports silicone rubber and temperature-responsive smart materials shaped into rows of little angled plates called lamellae – similar to the arrangement of tissue on the remora's plunger-like disc. The team's success with this experiment means this system could be an effective alternative to how GERD – a common chronic digestive condition – is currently monitored with the use of a tube that goes through your nose or mouth before being pinned to your esophagus.
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