Skin-like electronics could monitor your health continuously
Wearable electronics combined with AI might one day process massive amounts of health information in real time. Photo: Image provided by UChicago’s PME
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Skin-like electronics could monitor your health continuously

5 Comments

Flexible, wearable electronics are making their way into everyday use, and their full potential is still to be realized. Soon, this technology could be used for precision medical sensors attached to the skin, designed to perform health-monitoring and diagnosis. It would be like having a high-tech medical center at your instant beck and call.

Such a skin-like device is being developed in a project between the U.S. Department of Energy’s (DOE) Argonne National Laboratory and the University of Chicago’s Pritzker School of Molecular Engineering (PME).

Worn routinely, future wearable electronics could potentially detect possible emerging health problems even before obvious symptoms appear. The device could also do a personalized analysis of the tracked health data while minimizing the need for its wireless transmission.

Such a device would need to collect and process a vast amount of data, well above what even the best smartwatches can do today. And it would have to do this data crunching with very low power consumption in a very tiny space.

To address that need, the team called upon neuromorphic computing. This artificial intelligence (AI) technology mimics operation of the brain by training on past data sets and learning from experience. Its advantages include compatibility with stretchable material, lower energy consumption and faster speed than other types of AI.

The other major challenge the team faced was integrating the electronics into a skin-like stretchable material. The key material in any electronic device is a semiconductor. In current rigid electronics used in cell phones and computers, this is normally a solid silicon chip. Stretchable electronics require that the semiconductor be a highly flexible material that is still able to conduct electricity.

The team’s skin-like neuromorphic “chip” consists of a thin film of a plastic semiconductor combined with stretchable gold nanowire electrodes. Even when stretched to twice its normal size, their device functioned as planned without formation of any cracks.

As one test, the team built an AI device and trained it to distinguish healthy electrocardiogram (ECG) signals from four different signals indicating health problems. After training, the device was more than 95% effective at correctly identifying the ECG signals.

Exposure to an intense X-ray beam revealed how the molecules that make up the skin-like device material re-organize upon doubling in length. These results provided molecular-level information to better understand the material properties.

© Business Wire 2022.

©2022 GPlusMedia Inc.

5 Comments
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... and a great tool to monitor your travels, who you talk to, what organizations you belong to, which TV shows you watch, who you are dating, etc..

-1 ( +3 / -4 )

a great tool to monitor your travels, who you talk to, what organizations you belong to, which TV shows you watch, who you are dating, etc..

Your smart phone already does all that. This is better. For example it can monitor changes in your heartbeat and stress levels. That way, when you are required to say "I love Big Brother" it can tell whether you really believe what you are saying or are just lying and in need of reeducation.

All these new technologies and virtually no enforced laws nor customs (or even concern among many) regarding the protection of personal data... these will be the golden years for authoritarian governments.

-1 ( +3 / -4 )

No thanks

I think we have enough technology now to be honest

1 ( +3 / -2 )

This seems to be far from being able to be used practically, which is fortunate because it would also need to be secured very strongly since any technology able to collect so much information would easily become a huge risk if someone with less than positive intention can get a hold of it. Even with the limited capabilities of the current portable devices it is still a big privacy problem, imagine what could happen if the technology described was common.

-2 ( +0 / -2 )

No thanks, my body wasn't born to be a Borg.

-1 ( +1 / -2 )

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