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Researchers at Exeter University have developed a new technique that could create an extremely sensitive graphene biosensor, able to detect the molecules of the most common biomarkers of lung cancer.
The new biosensor design could revolutionize existing electronic nose devices, which identify specific components of a specific vapor mixture – such as a person's breath – and badyze its chemical composition to identify the cause.
The research team believes that the newly developed device has the potential to identify specific markers for lung cancer as early as possible, in a convenient and reusable way – making it a cost-effective and extremely beneficial system for service providers. of health around the world.
Ben Hogan, researcher at Exeter University and co-author of the article, explains: "The new biosensors we have developed show that graphene has considerable potential for use as a Electrode in electronic nose devices For the first time, we have shown that with a suitable pattern, graphene can be used as a specific, selective and sensitive detector for biomarkers ". "We believe that with the further development of our devices, a precise, reusable and inexpensive respiratory test for the early detection of lung cancer can become a reality".
Using patterned multilayer graphene electrodes, members of the team were able to show better detection capabilities for three of the most common lung cancer biomarkers – ethanol, isopropanol and acetone – in a range of different concentrations.
The team believes that this could be the first step towards creating new and improved electronic nose devices that can diagnose lung cancer as early as possible.
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