Science, Nanosensors, Nanotechnology, Nanofabrication, How It Works.
contamination in the body, cancerous cells, glucose level A nanosensor made of a carbon nanotube (gray) noncovalently linked to single-stranded DNA (backbone in orange and bases in aqua and mauve) detects lipids such as cholesterol (yellow). Credit: Sci. Transl. Med. Electrical Signal Measurement