Nanotechnology Nanopores take on the challenge of rare-earth detectionEditor-In-ChiefMarch 30, 2025 Nature Nanotechnology, Published online: 27 March 2025; doi:10.1038/s41565-025-01891-7Mycobacterium smegmatis porin A (MspA) modified with nitrilotriacetic acid achieves direct and simultaneous…