Histidine–dialkoxyanthracene dyad for selective and sensitive detection of mercury ions

Sachin Patil, Widad Belhajjame, Basem Moosa, Niveen M. Khashab

Research output: Contribution to journalArticlepeer-review


Histidine-dialkoxyanthracene (HDA) was synthesised as a turn off type fluorescent sensor for fast and sensitive detection of mercury ions (Hg2+) in aqueous media. The two histidine moieties act as ‘claws’ to selectively complex Hg2+. The binding ratio of HDA to Hg2+ was 1:1 (metal-to-ligand ratio). The association constant for Hg2+ towards the receptor HDA obtained from Benesi–Hildebrand plot was found to be 3.22 × 104 M−1 with detection limit as low as 4.7 nM (0.94 μg/L).
Original languageEnglish (US)
Pages (from-to)345-350
Number of pages6
JournalSupramolecular Chemistry
Issue number4
StatePublished - Dec 17 2017

Bibliographical note

KAUST Repository Item: Exported on 2021-01-19
Acknowledgements: This work was supported by the King Abdullah University of Science and Technology (KAUST).


Dive into the research topics of 'Histidine–dialkoxyanthracene dyad for selective and sensitive detection of mercury ions'. Together they form a unique fingerprint.

Cite this