Cytosine-substituted metalloporphyrins: receptors for recognition of nucleotides in ion-selective electrodes

Organic & Biomolecular Chemistry Pub Date: 2004-03-18 DOI: 10.1039/B400880D

Abstract

A new series of cytosine-substituted metalloporphyrin conjugates (containing Co(II) and Zn(II) as the coordinated metals) were designed and investigated as nucleotide receptors in PVC-membrane-based ion-selective electrodes under neutral conditions. The potentiometric results indicate that these systems, in particular the Co(II)-containing complex, may be potentially useful sensors for complementary nucleotide substrates in the presence of 10 mol% tridodecylmethylammonium chloride (KPot.5′-GMP/5′-AMP = 0.045).

Graphical abstract: Cytosine-substituted metalloporphyrins: receptors for recognition of nucleotides in ion-selective electrodes
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