ENP Newswire -
Release date- 30052014 - A low-cost, reusable sensor which uses nanotechnology to screen for and monitor diabetes and other conditions, has been developed by an interdisciplinary team of researchers from the
The sensors use nanotechnology to monitor levels of glucose, lactate and fructose in individuals with diabetes or urinary tract infections, and change colour when levels reach a certain concentration. They can be used to test compounds in samples such as urine, blood, saliva or tear fluid.
Earlier this year, clinical trials of the sensors were carried out at
According to the
The sensors developed by the
When glucose, lactate or fructose concentrations are high in a sample, the sensor changes colour. The exact concentration can be determined by visually comparing the colour to a reference chart, or the image can be automatically processed by a smartphone application.
In trials conducted earlier this year in
Additionally, the sensors can be produced at a fraction of the cost of commercially-available test strips. A single sensor would cost
'These sensors can be used to screen for diabetes in resource-poor countries, where disposable test strips and other equipment are simply not affordable,' said Ali Yetisen, a PhD candidate in the
The researchers are developing a prototype smartphone-based test suitable for both clinical and home testing of diabetes and other clinically relevant conditions.
'The value of these reusable sensors will be realised when they are mass produced and adopted as a diagnostic tool for routine diabetes screening,' said
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