Scientists create a small robot capable of penetrating through the eyeballs
German, Chinese and Danish scientists have developed a nanobot robot that can penetrate the eyeballs for the first time without damaging them, with the potential to be used as a minimally invasive tool for accurate drug delivery.
The study, published Friday in Science Advances, describes a helical vehicle 200x smaller than the human hair diameter and even less than the width of the bacterium.
According to the study, a slippery robot can move unrestrictedly through dense tissue in the eye.
"We apply a layer of liquid found in a carnivorous plant that has a slippery surface in the peristone to catch insects," said Wu Zhiguang of the Max Planck Institute for Intelligent Systems in Germany. ,
"It's like a teflon coating in the pelvis, this slippery surface is vital to efficiently drive our robots inside the eye because it minimizes adhesion between the network of biological proteins in the enamel and the surface of our nanobrobes." Wu said.
Scientists have tested their nano-helix in the exposed pig's eye. They injected tens of thousands of helix robots of bacterial size into glass humor.
Using the surrounding magnetic field, which rotates the nano-helix, they float to the retina.
"We want to be able to use our nano-helices as a tool in minimally invasive treatment of all types of disease where the problem area is difficult to reach and is surrounded by dense tissues," said researcher Max Planck Qiu Tian, one of the Responsible Study authors, Xinhua said.
University of Stuttgart, Max Planck Institute for Medical Research in Heidelberg, Harbin Institute of Technology in China, University of Aarhus, Denmark, and Tubingen University Eye Hospital contributed to this work.