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  • Title: Thiacalix[4]arene based fluorescent probe for sensing and imaging of Fe3+ ions.
    Author: Kumar M, Kumar R, Bhalla V, Sharma PR, Kaur T, Qurishi Y.
    Journal: Dalton Trans; 2012 Jan 14; 41(2):408-12. PubMed ID: 22095026.
    Abstract:
    A thiacalix[4]arene based fluorescent chemosensor 3 in the cone conformation has been synthesized and its recognition behaviour is evaluated toward various metal ions in mixed aqueous media. The chemosensor 3 showed high selectivity towards Fe(3+) ions by fluorescence quenching of excimer emission. Further, evaluation of the 3·Fe(3+) complex prepared in situ demonstrated great promise for the detection of the Fe(3+) ion in the presence of amino acids, blood serum and bovine serum albumin (BSA) solution. The compound 3 has suitable permeability into the PC3 cells and can be utilized as a Fe(3+) selective sensor in living cells (PC3 cells).
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