Researchers have created a new type of biosensor that can detect minute concentrations of glucose in saliva, tears and urine and might be manufactured at low cost because it does not require many processing steps to produce.
For as long as the history of glucose monitors goes, diabetics have to constantly prick their fingers to make sure their blood sugar levels remain optimal. Of course, this process oftentimes become tedious and inconvenient. However, finding non-invasive ways to measure glucose levels has always been an arduous process up until now. Purdue University has recently developed a new inexpensive biosensor that consists of
layers of nanosheets resembling tiny rose petals made of a material called graphene, which is a single-atom-thick film of carbon; platinum nanoparticles; and the enzyme glucose oxidase.
Ideally, one could simply swab the insides of their mouths for glucose readings. Unfortunately, it will be a little while before this technology reaches the consumer market; the main challenge is to develop scalable fabrication methods to make various sizes and shapes of biosensors. However, that is not to say that this is a big step towards stopping finger pricking.
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