In the past many years, electronic devices have evolved through silicon. However, researchers have now developed a functional circuit that can be incorporated into human tissue, powered internally by a flexible, flexible battery. A group of Swiss scientists have recently developed the latest innovative electronics, a small, flexible, transparent circuit that is thin enough to fit on contact lenses.
Researchers today published the concept of the theory of placing circuits in contact lenses in Nature Communications, which researchers say can be used to detect intraocular pressure data in patients with glaucoma, the researchers believe. This circuit design can be applied to various biological fields in the future.
Giovanni Salvatore, a researcher from the Swiss Federal Institute of Technology and author of the paper, said: "I believe this technology will have an important impact in the field of medical health testing. It can be applied and wearable. Minimally invasive devices with ultra-light solar cells and, more importantly, these implantable devices monitor biological parameters in the human body."
The circuit is printed on a substance called parylene, which is only 1 mm thick. The entire manufacturing process is divided into multiple steps. It is said that the uniqueness of the whole process makes the circuit have many advantages. This circuit is extremely flexible, can be bent, wrinkled, curled, and functionality remains unaffected. In addition, because it is very light, it can be used in a series of long-term medical applications.
For example, after a cardiac surgery, the doctor can implant a similar device in the aorta to monitor the patient's blood pressure. This almost invisible sensor can also be deployed in ecosystems to track soil nutrients and contaminants and wirelessly send data to scientists' computers.
However, if this circuit is to be commercialized, I am afraid it will be a matter of a few years. After all, there are still many practical problems that need to be solved. In addition to Salvatore's team, other research teams, such as the John Rogers lab at the University of Illinois, are working on ultra-thin LEDs, wireless antennas and solar cells. These have important implications for the application of foreign biotechnology.
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