Sign In
  • ENG

Latest Diabetes Research: New glucometer changes colour for precise reading

Written by Agencies |Updated : August 27, 2014 3:12 PM IST

glucometerUS researchers have come up with a unique glucose monitoring system that gives precise reading of blood sugar levels showing changes in colour as the sugar levels fluctuate.

The researchers suggest that the wavelength shift is so precise that doctors and patients may be able to use it for automatic insulin dosing, which is currently not possible with current measurements like test strips.

According to Paul Braun, a professor of materials science and engineering at University of Illinois, with today's systems the trends in glucose levels can be determined but accuracy and reliability is highly compromised without frequent recalibration. This makes insulin dosing decisions difficult.

Also Read

More News

The new system is made of hydrogel - a soft elastic jelly-like material laced with boronic acid compounds. Boronic acid binds to glucose, causing the gel to swell and expand as the glucose concentration rises. As the hydrogel expands, the reflected colour shifts from blue to green to red. 'There was a problem. Boronic acid likes glucose so much that if there is not enough glucose to go around, two boronic acids will bind to one glucose. This causes the hydrogel to shrink,' informed Braun.

So they introduced a third chemical called a 'volume resetting agent' to bind up the boronic acid before the glucose is added, pre-shrinking the gel and giving a baseline for measurements. This development enabled researchers to capitalise on the advantages of a boronic acid system without the limitation of shrinking at lower concentrations. The colour-changing material is simple and cheap to manufacture. A square inch of hydrogel could be enough for up to 25 patients.

The sensor would be put on the end of a fiber optic cable, for example, and threaded into the bloodstream using intravenous therapy. 'You could just slide it into an open port. Then you can monitor the patient for several days or longer,' added co-author Chunjie Zhang.

Source: IANS

Photo source: Getty images

You may also like to read:

For more articles on diabetes, visit our diabetes section. Follow us on Facebook and Twitter for all the latest updates! For daily free health tips, sign up for our newsletter. And for health-related queries, visit our Questions and Answers section.

For more articles on diseases & conditions , visit our diseases & conditions section. Follow us on Facebook and Twitter for all the latest updates! For daily free health tips, sign up for our newsletter. And for health-related queries, visit ourQuestions and Answers section.

Total Wellness is now just a click away.

Follow us on