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A stick - on spell that tracks , and even regulates , blood sugar stratum could be used by the great unwashed with diabetes one day , according to a newfangled study .
Unlike finger pricking — the traditional method acting of supervise layer of the blood gelt glucose — the young patch detects the levels of glucose in a individual ’s sweat . Research has register thatglucose levels in sweataccurately reflect glucose levels in the blood , the researchers said .
An photo of the experimental diabetes patch, on a users wrist.
The researchers also showed that the plot of ground can deliver the diabetes drug Glucophage through the skin and that it canreduce high-pitched pedigree glucose levelsin mice with diabetes .
The researcher are very interested in make the speckle commercially uncommitted , and are talk about it with several company in Korea , said study co - author Hyunjae Lee , of the Institute for Basic Science in Seoul , South Korea .
But more research is needed before the patch can be used in people with diabetes , the researcher say . [ Why Is Too Much Sugar Bad for You ? ]
A photo of the diabetes patch partially peeled off from the user’s skin
Scientists have been looking for anoninvasive way to supervise the story of glucosein people with diabetes , because finger prick can be painful and some patients are unwilling to do it , the researchers said .
To make the raw patch , the researchers combined gold mote and graphene — a type of cloth that shows hope for consumption in wearable electronics because it is flexible , and can be transparent , soft and very flimsy , the investigator said .
The patch consists of wearable sensors that observe the levels of glucose in sweat , as well as an integrated system with micro - needle that deliver the glucose - regulate drug metformin . When the sensors observe a high level of glucose in the sweat , hummer embedded in the patch prompt the micro - needles to unfreeze the drug and lower the glucose level .
In the discipline , the researchers tested the new patch ’s ability to detect glucose levels in two hands without diabetes , and found that it accurately notice changes in their glucose levels after they run through a meal . The scientists also tested the patch ’s power to regularise glucose levels in mice with diabetes through the use of micro - needles and Glucophage , and found that it help to bring down these level .
However , the drug - delivery system in the spell needs to be improved further before it can be examine in humanpatients with diabetes , the research worker articulate in the unexampled study , published today ( March 21 ) in the daybook Nature Nanotechnology .
" Some important questions still demand to be answered before the technology can be translated into practical use , " Richard Guy , a prof of pharmaceutical sciences at the University of Bath in the United Kingdom , write in an editorial accompanying the new written report in the daybook .
For example , it is not clear whether the glucose - find detector would sour continuously for tenacious periods of time , or whether the patch would work well if the wearer sweated a lot due to exercise , said Guy , who was not involved in the new subject .
