Novel sticky patch to monitor blood sugar in diabetics


Scientists have developed an adhesive patch, which can non-invasively monitor glucose levels in diabetics through the skin, potentially spelling an end for frequent painful finger-prick blood tests.
The patch does not pierce the skin, instead it draws glucose out from fluid between cells across hair follicles, which are individually accessed via an array of miniature sensors using a small electric current.
The glucose collects in tiny reservoirs and is measured, according to a study published in the journal Nature Nanotechnology. Readings can be taken every 10 to 15 minutes over several hours.
Due to the design of the array of sensors and reservoirs, the patch does not require calibration with a blood sample – meaning that finger prick blood tests are unnecessary. 

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