Health facts: Device can monitor health by collecting and analysing sweat
A SWEAT-capturing device that monitors health on the spot has been developed. Perspiration drains into the device, which is attached to the skin near sweat glands, and into compartments where it is tested for levels of glucose and other biomarkers (indicators of health).
The compartments contain chemicals that change colour depending on levels of the biomarkers, providing an instant result, say the researchers from Penn State University, in the US.
Known as coloriometrics, the technique could help athletes pinpoint low levels of glucose or salt, which could affect their performance. Sweat also contains biomarkers that are useful in diagnosing and measuring the progression of disease, says researcher Huanyu Cheng in the journal Lab on a Chip.
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