Seeing single cells: Paired confocal microscopy (left) and NIR-nCLE (right) images. NIR-nCLE can detect an individual lung cancer cell in a 1:1000 co-culture of malignant and normal cells. (Courtesy: CC BY 4.0/Nat. Commun. 10.1038/s41467-022-30265-z)
When a CT scan highlights a suspicious looking nodule, the next step is to perform a biopsy to rule
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Tami Freeman
is an online editor for Physics World