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<p>This study explores the complexation of caffeic and cinnamic acids with La(III), Sm(III), Th(IV), and U(VI)O<sub>2</sub> ions, given the biological and nuclear relevance of f-block elements. Stability constants were determined via pH titration at 25&#xa0;°C, 37&#xa0;°C, and 45&#xa0;°C in KCl medium, using HySS and HYPERQUAD2013 software. Thermodynamic parameters were calculated to assess metal–ligand interactions. Additionally, cytotoxicity of the resulting complexes was evaluated on MCF-7 and A-549 cell lines using the WST assay, highlighting their potential antitumor properties. This work contributes to understanding f-block complexation with phenolic acids.</p>

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Potentiometric studies on the complexation of La(III), Sm(III), Th(IV), and U(VI)O2 by some phenolic acids

  • 期刊论文

  • 发表日期：

    2025年8月30日

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  • Tuba Şişmanoğlu,
  • Çiğdem İçhedef,
  • Gizem Akdut,
  • Gülin Selda Pozan Soylu,
  • Emin İlker Medine,
  • Serap Teksöz

摘要

This study explores the complexation of caffeic and cinnamic acids with La(III), Sm(III), Th(IV), and U(VI)O2 ions, given the biological and nuclear relevance of f-block elements. Stability constants were determined via pH titration at 25 °C, 37 °C, and 45 °C in KCl medium, using HySS and HYPERQUAD2013 software. Thermodynamic parameters were calculated to assess metal–ligand interactions. Additionally, cytotoxicity of the resulting complexes was evaluated on MCF-7 and A-549 cell lines using the WST assay, highlighting their potential antitumor properties. This work contributes to understanding f-block complexation with phenolic acids.