Cytosine-substituted metalloporphyrins: receptors for recognition of nucleotides in ion-selective electrodes |
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Authors: | Král Vladimír Shishkanova Tatiana V Sessler Jonathan L Brown Christopher T |
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Affiliation: | Department of Analytical Chemistry, Institute of Chemical Technology, 16628 Prague 6, Technická 5, Czech Republic. vladimir.kral@vscht.cz |
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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 (K(Pot.)(5'-GMP/5'-AMP)= 0.045). |
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