A rhodamine based derivative RDD-1 bearing dimethylaminobenzaldehyde has been designed and synthesized. It is a highly sensitive and selective chemosensor towards picric acid without having any interference from other NAC's. To the best of our knowledge, the present probe is the first example of a rhodamine based sensor that facilitates the detection of powerful explosive picric acid even at picomolar concentration.
G. Sivaraman, B. Vidya and D. Chellappa, RSC Adv., 2014, 4, 30828 DOI: 10.1039/C4RA02931C
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