An international team of researchers has developed a handheld, non-invasive device that can detect biomarkers for Alzheimer's and Parkinson's Diseases that would allow testing at-home and at clinics and nursing homes, and transmit the results wirelessly to a laptop or smartphone. The device, which could be modified to detect biomarkers for other conditions as well, could be on the market within a year if further testing goes well and FDA approval is obtained. The researchers adapted a device they developed during the COVID pandemic to detect the spike and nucleoprotein proteins in the live SARS-CoV-2 virus. Tests with brain-derived amyloid proteins from Alzheimer's and Parkinson's deceased patients showed that the biosensors were able to detect the specific biomarkers for both conditions with great accuracy, on par with existing state of the art methods.

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