Ali Javey, a professor of electronic engineering and information science at the University of California, Berkeley, always likes to talk about the big data of big data of big data of the human body "
New development of wearable sweat biosensors
Today's wearable sensors have been able to track the user's physical activity and vital signs, but Javey presented his research team results at the 2016 IEDM conference in the United States "Wearable sweat biosensors ( wearable sweat biosensor, "states:" No one can monitor a person's health at the molecular level. "
There are many different wearable devices available on the market such as Fibit, Misfit, Apple Watch, and various glucose meters that appear to be a step away from the real world, apparently a wide range of ubiquitous wireless technologies and computing Technology, has been able to enhance the monitoring of every patient.
Data acquisition continues to be the biggest challenge; for this reason, vendors struggle to develop ultra-low power, flexible, printed electronic components to generate devices that continuously monitor the health of users and collect human data in real time, in a non-invasive way .
In this year's IEDM published several papers on flexible and printed electronic components technology; the proposed solution from high-performance flexible CMOS circuits and sensors, power-saving multi-mode biosensing technology to RFID and medical chip applications Flexible metal oxide thin film transistor circuit.
And the paper by Javey's team on "Wearable sweat biosensors" was particularly good because the team explored "monitoring the human body with a broad spectrum of sweat biomarkers."
Unlike traditional wearable devices, the Javey team set the human sweat as a means of gathering and detecting more precise and insightful physiological information; he said: "The reason we choose sweat is because that's the most Easy to get body fluids. "
It is noteworthy that sweat analysis is not a new concept. There are a variety of sweat biomarkers that have been developed to define human health; Javey explains that in sports, for example, people often perform sweat analysis for drug testing and Sweat chloride testing has been the standard diagnostic procedure for cystic fibrosis.
Javey said wearable biosensors have been used in a wide range of indoor and outdoor human activities to analyze a wide range of sweat components such as metabolism, electrolytes and heavy metals: "Excessive loss of sodium and potassium in the sweat will result in low Hyponatremia, hypokalemia, muscle cramps or dehydration. "
Other findings include that ethanol and glucose in sweat are said to be metabolically linked to ethanol and glucose in the blood, while sweat lactate can potentially be considered as a sensitive marker of pressure ischemia; however, today Sweat analysis is still to be collected to the laboratory to go to the test.
And Javey's view is that the best solution is "real-time analysis of human sweat" - the sweat biosensor that acts like a patch on the body, to analyze sweat directly right in the sweat.
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