Australian researchers have developed a molecular-sized, more efficient version of a widely used electronic sensor, in a breakthrough that could bring widespread benefits. Piezoresistors are commonly used to detect vibrations in electronics and automobiles, such as in smartphones for counting ste
Researchers from multiple Australian universities have developed an incredibly miniaturized piezoresistor, 500,000 times smaller than a human hair. This sensitive electronic component transforms force into electrical signals, holding potential for innovative applications in biosensors and health monitoring.
Dr. Darwish said they had developed a more sensitive, miniaturized type of this key electronic component, which transforms force or pressure to an electrical signal and is used in many everyday applications.“Because of its size and chemical nature, this new type of piezoresistor will open up a whole new realm of opportunities for chemical and biosensors, human-machine interfaces, and health monitoring devices,” Dr. Darwish said.
“We have been able to model the complex series of reactions that take place, understanding how single molecules can react and transform in real-time.”Professor Reimers said the significance of this was the ability to electrically detect the change in the shape of a reacting molecule, back and forth, at about once every 1 millisecond.
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