According to foreign media reports, the thermometer does not seem to need to be reinvented like a telephone. Just put the thermometer under your tongue and wait a minute for you to know the temperature. But today there is such an inter-generational thermometer that can measure more accurate body surface temperatures and tell us more about physical health. John Rogers, a researcher at the University of Illinois, said, "It turns out that by measuring skin temperature, even a tenth degree change, to a certain extent, it makes sense to explain your physiological state and health."
Rogers has been developing a range of ultra-thin flexible electronic products. Durable, but it is almost imperceptible to the user. These products are very thin and some call it an electronic tattoo. The latest equipment from his research team is an ultra-sensitive thermometer. Rogers said the device is comparable to a thermal infrared camera worth nearly $2,500, but costs only a few cents.
Wearable thermometers are even better than thermal infrared cameras in some respects. Because it is attached to the skin, it can measure the temperature anytime and anywhere, and the thermal sensor camera is completely impossible. The device can see how heat is transferred through the blood circulatory system, or how the expansion and contraction of blood vessels subtly changes body temperature. Rogers said, "These information is very important for cardiovascular health."
The new device invented by his research team has been published in Natural Materials. It looks like a small gold-plated bar code with a serpentine pattern on the top that uses water-soluble glue on the skin. This product is available in two different versions and works in different ways, but all have the same features: accurate skin temperature measurement.
The development of such sensors took several years, but most of the engineering work has been done ahead of schedule or simultaneously. The next step is to make them wireless, and this version still requires an external power supply to work. At the same time, Rogers and his colleagues are now focusing on introducing new sensors into different applications. His team approached the National Institutes of Health, the leading medical research institution in the United States, to show them better ways to measure skin temperature.
The development of this wearable thermometer has only just begun, Rogers' team is experimenting with how to apply this device to the internal organs of the human body, even in the atrium to measure temperature. Currently, the measured properties are only temperature, but in the future more sensors will be added to convey body information, and skin temperature is only a starting point.
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