Abstract
Abstract Naphthalimide-based probe (NapTp) has poor solubility and remain essentially none missive in water. This paper describes a rapid and simple route to encapsulate the probe NapTp into the hydrophobic core of cetyltrimethylammonium bromide (CTAB) micelles, while ensuring solubility of the NapTp-CTAB assembly in water. Due to the hydrophobic character of the micelles core, the NapTp becomes fluorescent in water as it behaves in organic solvents. Importantly, the NapTp-CTAB assembly displays distinct fluorescence “turn-on” for sensing Fe3+ ions in 100% aqueous system. The probe most clearly reveals 1:1 multiplexing characteristics for aqueous analytes with an excellent selectivity. The detection limit of NapTp-CTAB for Fe3+ ions is estimated to be of 8.05 × 10−7 M.
Published Version
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