cross-posted from: https://programming.dev/post/36069490
The diamond sensor works by detecting magnetic tracer fluid (iron oxide nanoparticles) that is introduced into the patient during or before breast cancer surgery. The tracer fluid is injected into the tumour and then travels to the lymph nodes alongside metastasized cancer cells. A magnetic field sensor based on a diamond can then locate the tracer fluid and pinpoint the lymph nodes to be surgically removed to stop the cancer spread.
Its compact design is achieved by using a tiny diamond (0.5 mm3) and a small permanent magnet that is attached to the probe head. This eliminates the need for bulky electronics allowing for a handheld versatile tool.
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Very interesting!
