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  • Title: Pyrene-phenylglycinol linked reversible ratiometric fluorescent chemosensor for the detection of aluminium in nanomolar range and its bio-imaging.
    Author: Prabhu J, Velmurugan K, Raman A, Duraipandy N, Kiran MS, Easwaramoorthi S, Tang L, Nandhakumar R.
    Journal: Anal Chim Acta; 2019 Dec 20; 1090():114-124. PubMed ID: 31655636.
    Abstract:
    Pyrene-phenylglycinol tangled ratiometric sensor (R)-1 was developed for the detection of Al3+ ion over other metal ions. Ratiometric behaviour of (R)-1 for Al3+ ion explained through monomer emission and excimer quenching leads to avoiding the π-π interactions of bis-pyrene rings. Pull-push to push-pull binding mechanism is successfully explained by DFT and sensing of Al3+-ions demonstrated in living cells. The LOD of (R)-1 for Al3+ downs to nanomolar concentrations which is lower than the allowed concentration of drinking water set by the (World Health Organization) WHO.
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