New microbots quickly deliver drugs inside the body. They are controlled by ultrasound

The authors of the new work printed microbots the size of a cage using a laser lithography system for

3D Printing They were made from a hydrophobic (water-repellent) resin.

To feed and guide microbots,the authors used an external ultrasonic transducer: it needs to be aimed at the target, after which the sound waves make the bubbles vibrate and push the robot forward. Thus, they can be controlled remotely.

New robots will be able to deliver drugs to a specific organ or area in the human body without unnecessary intervention: the new development is more mobile than analogues and moves faster through the body.

Scientists are now working to create robots from biocompatible and biodegradable materials so that they dissolve harmlessly in the body as soon as their work is done.

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