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<p>A new electrochemical sensor with a detection limit of up to nanomoles and exceptional sensitivity was developed using CuFe<sub>2</sub>O<sub>4</sub> nanoparticles (NPs). The modified electrochemical sensor was employed to detect paracetamol with great efficacy in biofluid. Copper ferrite spinel type NPs were produced using a combustion process. The shape, size, and purity of the produced material were determined by some advanced techniques like XRD, FESEM, and EDS techniques. Crystallite size of newly developed material was observed 40 to 50&#xa0;nm using XRD technique, which was well supported by FESEM. The produced NPs were utilized as electrode modifiers in combination with graphite powder to fabricate the CuFe<sub>2</sub>O<sub>4</sub>/GP electrode. Through cyclic voltammetry and differential pulsed voltammetry approaches, the newly created electrode was utilized as electrochemical sensor to identify paracetamol in medicine tablets apart from in biologic fluids. The electrochemical sensor modified by copper ferrite NPs, demonstrated remarkable performance for detecting paracetamol. The developed electrode chemical sensor having the good detection limit, i.e., 400&#xa0;nM with a good linear range from 5 to 120&#xa0;μM. The modified electrochemical sensor also wears the good repeatability and reproducibility. </p> Graphical abstract <p></p>

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Development of copper ferrite spinel nanoparticles based electrochemical sensor for paracetamol detection

  • 期刊论文

  • 发表日期：

    2025年8月4日

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  • Yogendra Kumar,
  • Shubham Sharma,
  • Man Vir Singh,
  • Susmita Pramanik,
  • Kunj Bihari Mishra,
  • Susmita Pradhan,
  • Sabyasachi Sen,
  • V. S. R. Rajasekhar Pullabhotla

摘要

A new electrochemical sensor with a detection limit of up to nanomoles and exceptional sensitivity was developed using CuFe2O4 nanoparticles (NPs). The modified electrochemical sensor was employed to detect paracetamol with great efficacy in biofluid. Copper ferrite spinel type NPs were produced using a combustion process. The shape, size, and purity of the produced material were determined by some advanced techniques like XRD, FESEM, and EDS techniques. Crystallite size of newly developed material was observed 40 to 50 nm using XRD technique, which was well supported by FESEM. The produced NPs were utilized as electrode modifiers in combination with graphite powder to fabricate the CuFe2O4/GP electrode. Through cyclic voltammetry and differential pulsed voltammetry approaches, the newly created electrode was utilized as electrochemical sensor to identify paracetamol in medicine tablets apart from in biologic fluids. The electrochemical sensor modified by copper ferrite NPs, demonstrated remarkable performance for detecting paracetamol. The developed electrode chemical sensor having the good detection limit, i.e., 400 nM with a good linear range from 5 to 120 μM. The modified electrochemical sensor also wears the good repeatability and reproducibility.

Graphical abstract