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Abstract <p>A powdered halloysite/iron oxide composite has been synthesized by the chemical coprecipitation method. The sorption properties of halloysite and the composite have been studied with respect to tetracycline. The halloysite/iron oxide composite has been found to be a more efficient sorbent than halloysite. Mathematical processing of the experimental data has led to a conclusion that the kinetics of the sorption process can be described by the pseudo-first- or pseudo-second-order kinetic models. The antimicrobial properties of the synthesized composite samples with respect to <i>E. coli</i> M-17 bacteria have been studied before and after tetracycline adsorption. It has been revealed that the saturation of the composite with the antibiotic leads to a decrease in the viability of bacteria.</p>

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Halloysite–Iron Oxide Composites as Tetracycline Carriers. Adsorption Properties and Antimicrobial Activity In Vitro

  • 期刊论文

  • 发表日期：

    2026年4月14日

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  • O. V. Alekseeva,
  • A. V. Noskov,
  • D. N. Yashkova,
  • O. Yu. Kuznetsov,
  • M. A. Kirilenko,
  • A. V. Agafonov

摘要

Abstract

A powdered halloysite/iron oxide composite has been synthesized by the chemical coprecipitation method. The sorption properties of halloysite and the composite have been studied with respect to tetracycline. The halloysite/iron oxide composite has been found to be a more efficient sorbent than halloysite. Mathematical processing of the experimental data has led to a conclusion that the kinetics of the sorption process can be described by the pseudo-first- or pseudo-second-order kinetic models. The antimicrobial properties of the synthesized composite samples with respect to E. coli M-17 bacteria have been studied before and after tetracycline adsorption. It has been revealed that the saturation of the composite with the antibiotic leads to a decrease in the viability of bacteria.