Friday, March 29, 2024

Nine Innovations For the Electronics Engineer In You

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 Biosensor to detect cancer, Alzheimer’s, Parkinson’s

Researchers have developed a biosensor that is capable of detecting molecules that lead to some types of cancer as well as neurodegenerative diseases. The device is basically a single-layer organic nanometer-scale transistor on a glass slide.

The biosensor contains the reduced form of the peptide glutathione (GSH), which reacts in a specific way when it comes into contact with the enzyme glutathione S-transferase (GST), linked to Parkinson’s, Alzheimer’s and breast cancer, among other diseases.

Findings show that the device could detect such molecules even when these are present at very low levels in the examined material, because of its nanometric sensitivity.

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