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  • Title: Sulfate selective anion recognition by a novel tetra-imidazolium zinc metalloporphyrin receptor.
    Author: Cormode DP, Murray SS, Cowley AR, Beer PD.
    Journal: Dalton Trans; 2006 Nov 21; (43):5135-40. PubMed ID: 17077886.
    Abstract:
    Imidazolium groups have been successfully incorporated into the structure of a "picket fence" porphyrin molecule to produce a novel tetra-imidazolium zinc metalloporphyrin anion receptor. UV/visible spectroscopic studies reveal that this receptor is selective for sulfate anions, capable of strongly complexing sulfate in competitive water-DMSO (5 : 95) solvent mixtures. Cyclic and square wave voltammetric studies demonstrate the receptor's ability to sense a variety of anions electrochemically.
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