Body-Worn and Implantable Medical Devices get flexible transistors

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Body-Worn and Implantable Medical Devices get flexible transistors

The field of flexible electronics, pertaining to such high demand has seen great improvement in the recent times, with scientists and engineers from various institutions around the world focusing on the field and innovating something or the other. Completely flexible body- worn sensors belong to one of these many devices that have been invented. The idea behind making these electronics flexible is naturally to make their components flexible, which in case of many components has been achieved but not in the case of certain components including the transistors and integrated.

However, a part of the remaining bit seems to have also found a solution in linen thread. Completely flexible transistors have at last been developed utilizing linen thread by researchers at Tufts University. Now the devices can be used in medical implants even those that can attach a beating heart, or integrated into clothing or even worn directly on the skin.

Common electronic functions can easily be performed by a large variety of threat- based circuits (TBTs) by making them into logic circuits and integrated circuits. For obtaining solutions that are completely flexible, flexible sensors that are already available can be teamed with flexible circuits.

An integrated circuit has been used by the team from tufts which has been combined with thread- based sodium and ammonium ion sensors. These biomarkers are then measured with the help of a device which is completely flexible.Interestingly, the process of manufacturing flexible transistors does not demand many expenses nor does it mandate a clean room. First author of the study, and a graduate student at the Tufts University School of Engineering, Rachel Owyeung shared that the device managed to monitor transitions in sodium and ammonium concentrations at multiple locations, in their laboratory experiment. She further revealed that though not practically, but theoretically it is possible for them to scale up the integrated circuit which they built with TBTs in order to attach a large array of sensors tracking many biomarkers, at many different locations using one device.

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