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Abstract <p>Complexes of block copolymers of poly-2-ethyl-5,6-dihydrooxazine and poly-2-isopropyl-5,6-dihydrooxazine with curcumin have been prepared. The binding constants were determined, the high values of which indicate a strong binding of curcumin to the block copolymers. Self-organization in aqueous solutions of the obtained complexes was studied by light scattering and turbidimetry. It has been shown that on heating one phase transition was observed in the complex solutions. Concentration dependences of the phase separation temperature have been determined. It has been established that the phase separation temperature increases by 2–4°C on passage from block copolymer solutions to solutions of the complexes.</p>

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Behavior of Complexes of Poly-2-alkyl-5,6-dihydrooxazine Block Copolymers with Curcumin in Aqueous Solutions

  • 期刊论文

  • 发表日期：

    2025年2月1日

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  • A. P. Filippov,
  • S. V. Rodchenko,
  • T. Yu. Kirila,
  • N. D. Kozina,
  • A. V. Tenkovtsev

摘要

Abstract

Complexes of block copolymers of poly-2-ethyl-5,6-dihydrooxazine and poly-2-isopropyl-5,6-dihydrooxazine with curcumin have been prepared. The binding constants were determined, the high values of which indicate a strong binding of curcumin to the block copolymers. Self-organization in aqueous solutions of the obtained complexes was studied by light scattering and turbidimetry. It has been shown that on heating one phase transition was observed in the complex solutions. Concentration dependences of the phase separation temperature have been determined. It has been established that the phase separation temperature increases by 2–4°C on passage from block copolymer solutions to solutions of the complexes.