Nonequilibrium sensing of volatile compounds using active and passive analyte delivery.

ABSTRACT: Although sensor technologies have allowed us to outperform the human senses of sight, hearing, and touch, the development of artificial noses is significantly behind their biological counterparts. This largely stems from the sophistication of natural olfaction, which relies on both fluid dynamics within the nasal anatomy and the response patterns of hundreds to thousands of unique molecular-scale receptors. We designed a sensing approach to identify volatiles inspired by the fluid dynamics of the nose, allowing us to extract information from a single sensor (here, the reflectance spectra from a mesoporous one-dimensional photonic crystal) rather than relying on a large sensor array. By accentuating differences in the nonequilibrium mass-transport dynamics of vapors and training a machine l

SUBMITTER: Brandt S 

PROVIDER: S-EPMC10400973 | biostudies-literature | 2023 Aug

REPOSITORIES: biostudies-literature