1978
DOI: 10.1016/s0040-4039(01)94792-6
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Selective alkali metal ion transport with synthetic ionophores

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1978
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Cited by 28 publications
(25 citation statements)
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“…Consider the following equilibria: [16] Equations [16] and [17] define partition coefficients for HCr and KCr respectively, while [18] and [19] define the acidity and stability coqstants for complexation in the aqueous phase. For 2, pK, = 3.60 k 0.2 and log K,(K+) = 2.6 f 0.2 in 0.1 M (CH,),NCl as determined from pH-metric titration using procedures previously described (I).…”
Section: Pertitio~z Equilibricr A17d Itzte~facial Surface Tensionmentioning
confidence: 99%
See 1 more Smart Citation
“…Consider the following equilibria: [16] Equations [16] and [17] define partition coefficients for HCr and KCr respectively, while [18] and [19] define the acidity and stability coqstants for complexation in the aqueous phase. For 2, pK, = 3.60 k 0.2 and log K,(K+) = 2.6 f 0.2 in 0.1 M (CH,),NCl as determined from pH-metric titration using procedures previously described (I).…”
Section: Pertitio~z Equilibricr A17d Itzte~facial Surface Tensionmentioning
confidence: 99%
“…Further evidence ruling out kinetically important roles for HCr(aq) and KCr(aq) may be obtained from experiments conducted in H-tube cells (16). In the base of on< arm was a solution of 1 in chloroform and in the other, chloroform with no carrier.…”
Section: Pertitio~z Equilibricr A17d Itzte~facial Surface Tensionmentioning
confidence: 99%
“…Naturally occurring acid ionophores are known to mediate active ion transport through lipophilic membranes by formation of hydrophobic complexes with ions (Taylor et al, 1982, and references therein) and their structures were studied to provide information on their function (Duesler & Paul, 1983, and references therein). We have synthesized a series of relatively simple 3-hydroxycarboxylic acids as model compounds for the naturally occurring ionophores to investigate the relationship between the primary molecular structures and ion-transport properties (Kuboniwa et al, 1982(Kuboniwa et al, , 1985Yamazaki et al, 1978Yamazaki et al, , 1979Yamaguchi et al, 1988Yamaguchi et al, , 1989.…”
Section: Commentmentioning
confidence: 99%
“…To understand the complexation properties of ion carders and how these acyclic compounds utilize conformation for optimum complexation with a guest cation, the crystal structures of various complexes have been determined using X-rays (Duesler & Paul, 1983, and references therein). We have synthesized a series of w-hydroxycarboxylic acids as model compounds for the natural ionophores to investigate the relationship between the primary molecular structures and transport properties (Kuboniwa et al, 1985;Kuboniwa, Yamaguchi, Nakahama, Hirao & Yamazaki, 1982;Yamaguchi et al, 1988Yamaguchi et al, , 1989Yamazaki, Hirao & Nakahama, 1979;Yamazaki, Nakahama, Hirao & Negi, 1978). Among the compounds, (1) and (2), which have eight and five ethereal O atoms, respectively, show relatively high K+-ion selectivity.…”
Section: Commentmentioning
confidence: 99%