The Disposable Wristband That Can Tell You When to Get Out of the Sun
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A paper wrist strap similar to the bands worn at festivals can help prevent over-exposure to the sun and reduce the risk of cancer.
The device lets people know when they have been exposed to a certain amount of UV radiation by changing color.
The monitor works by changing color from yellow to pink as the strength of UV radiation increases.
It operates through an acid-release agent which picks up ultraviolet light and a dye which responds to pH levels in the indicator.
Developed by Strathclyde University, the technology will be commercialized by Swedish-based company Intellego Technologies.
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