Visualization of the odor discrimination process by an XAI-assisted olfactory sensor. Depending on the odorant molecule, the AI identifies the most responsive receptor materials and highlights the key sections of sensing signal curves used for discrimination. Credit: ACS Applied Materials & Interfaces (2025). DOI: 10.1021/acsami.5c13990 NIMS has been developing chemical sensors as a key component of artificial olfaction technology (olfactory sensors), with