Health
Researchers invented artificial skin that can feel pain, heat, and pressure
Researchers at RMIT University in Australia have developed artificial skin that can respond to pain as if it were real skin. This innovation could lead to more effective prostheses, more intelligent robotics, and non-intrusive methods of skin grafting.
The prototype of artificial skin Reproduces how human skin detects pain via electronic devices. According to RMIT University news, the device parrots the body’s near-instant feedback response to painful stimuli and can respond as quickly as nerve signals travel to the brain.
“Skin is the largest sensory organ in our body and has a complex function designed to send a rapid-fire warning signal when something hurts,” said Senior Researcher Professor Madu Bascalan. I am.
She believes in prototypes and research published in journals Advanced intelligent systemIs an important advance towards the next generation of biomedical technology and intelligent robotics.
“We always sense things through our skin, but the pain reaction only begins at certain times, such as when we touch something that is too hot or too sharp,” says Bascaran.
“Until now, no electronic technology has been able to realistically mimic that highly human sense of pain.”
RMIT’s artificial skin reacts immediately when pressure, heat, or cold reaches a painful threshold.
Skin is the culmination of many years of work by the research team and is a combination of three technologies previously developed and patented by the team.
These include:
– Elastic electronics: A transparent, fragile and wearable layer made from a combination of oxide materials and biocompatible silicones. It’s as thin as a sticker.
– Temperature Reactive Coating: A self-modifying coating based on a material that adapts in response to heat. It is one thousandth as thin as human hair.
– Memory that mimics the brain: Electronic memory cells that mimic how the brain uses long-term memory to recall and retain information.
Artificial skin is made up of all three technologies that overlap. The pressure sensor uses elastic electronics and a long-term memory cell. The heat sensor combines a temperature-responsive coating and memory, and the pain sensor utilizes all three technologies.
According to PhD researcher Md Atuar Rahman, memory cells in artificial skin play a role in evoking a reaction when pressure, heat, or pain exceeds certain thresholds.
“We created essentially the first electronic somatosensory sensor, replicating important functions of the body’s complex system of neurons, neural pathways, and receptors that drive the perception of sensory stimuli,” Rahman said. Mr. says.
Unlike these new technologies, which allow him to respond to actual mechanical pressure, temperature, and pain to issue an appropriate electronic response, existing technologies previously used electricity to mimic different levels of pain. He added that he was using the signal.
“This means that our artificial skin knows the difference between lightly touching a pin with a finger and accidentally sticking it,” Rahman added, adding that this has been electronic so far. Explain that it is an important difference that has never been achieved.
Photo: RMIT University
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