An aldol condensation reaction on oil-in-water (O/W) liquid interfacial plasmonic arrays was developed for sensing volatile aldehydes in alcohols by using an aromatic aldehyde as the probe for portable SERS assays. The detection limit was 10−8 M. The substrate exhibited an RSD value of 6.9%, and the probe showed good selectivity to four common interferences.
H. Wang, Y. Wei, L. Wang, C. Qu, H. Liu and S. He, Chem. Commun., 2023, 59, 12342 DOI: 10.1039/D3CC02228E
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