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. 2018 May 23;6:170. doi: 10.3389/fchem.2018.00170

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Copyright © 2018 Vágner, Forgács, Brücher, Tóth, Maiocchi, Wurzer, Wester, Notni and Baranyai.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Pseudo-first-order rate constants (k_d) of the ligand exchange reactions of [ $G a {(T R A P)}^{3 -}$ ] ( $A, C$ ) and [ ${Fe(TRAP)}^{3 -}$ ] ( $B, D$ ) wih H_xHBED^(x−4) as a function of –log[H⁺] and [OH⁻] (x = 0,1, and 2). Solid lines and symbols represent calculated and experimental k_d pseudo-first-order rate constants, respectively. ([Ga(TRAP)] = [Fe(TRAP)] = 0.2 mM, [H_xHBED] = 2.0 mM (), and 4.0 mM (), 0.15 M NaCl, 25°C).

Inline graphic — Pseudo-first-order rate constants (k_d) of the ligand exchange reactions of [ $G a {(T R A P)}^{3 -}$ ] ( $A, C$ ) and [ ${Fe(TRAP)}^{3 -}$ ] ( $B, D$ ) wih H_xHBED^(x−4) as a function of –log[H⁺] and [OH⁻] (x = 0,1, and 2). Solid lines and symbols represent calculated and experimental k_d pseudo-first-order rate constants, respectively. ([Ga(TRAP)] = [Fe(TRAP)] = 0.2 mM, [H_xHBED] = 2.0 mM (), and 4.0 mM (), 0.15 M NaCl, 25°C).