Aminobenzohydrazide based colorimetric and 'turn-on' fluorescence chemosensor for selective recognition of fluoride

作者：Anand Thangaraj; Sivaramana Gandhi; Iniya Murugan; Siva Ayyanar; Chellappa Duraisamy^*

来源：Analytica Chimica Acta, 2015, 876: 1-8.

DOI：10.1016/j.aca.2015.03.035

• Aminobenzohydrazide
• Fluoride
• Turn-on
• Colorimetric
• Real sample analysis
• Time-dependent density functional theory

Chemosensors based on aminobenzohydrazide Schiff bases bearing pyrene/anthracene as fluorophores have been designed and synthesized for F ion recognition. The addition of fluoride ions to the receptors causes a dramatically observable colour change from pale yellow to brown/red. H-1 NMR studies confirm that the F ion facilitates its recognition by forming hydrogen bond with hydrogens of amide and amine groups. Moreover these sensors have also been successfully applied to detection of fluoride ion in commercial tooth paste solution.

• 出版日期2015-5-30