Abstract
Hexaphenylbenzene (HPB) appended rhodamine derivative 4 has been synthesized which exhibits aggregation-induced emission enhancement (AIEE) characteristics and forms fluorescent aggregates in mixed aqueous media. These aggregates show remarkable fluorescence resonance energy transfer (FRET) in the presence of Hg2+ ions among various metal ions tested. Further these aggregates were also utilized for the ratiometric imaging of Hg2+ ions in MCF-7 cell lines.
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