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<p>Engineering trimetal nanoparticles, which have exceptional qualities including stability, large surface area, and effective charge transfer, have advanced significantly as a result of the search for high-performance materials for energy storage and sensing applications. In this work, nickel magnesium ferrite nanoparticle-based pencil graphite electrodes have been well characterized and utilized for developing a voltammetric sensor. Sunitinib and ascorbic acid showed discrete, well-defined irreversible oxidative peaks, whereas acetaminophen was quasi-reversible. Peak currents exhibited high linearity with analyte concentrations ranging from 10 to 100&#xa0;μM, with a detection and quantification limit. The sensor effectively detected sunitinib in clinical blood serum samples, with spike recovery rates ranging from 99 to 104%. These data highlight the suggested approach's potential for reliably identifying sunitinib and acetaminophen in a wide range of real-world samples with complex matrices. Galvanostatic charge–discharge and electrochemical impedance spectroscopy were utilized to validate the effectiveness of the synthesized nanoparticles as battery and supercapacitor. The electrode was exceptionally stable, keeping 120.34% of its original capacitance after 4,500 cycles. With its sensing capabilities and high energy storage, nickel magnesium ferrite nanoparticles are a viable choice for dual applications in supercapacitors and electrochemical detection of sunitinib, acetaminophen, and ascorbic acid.</p> Graphical Abstract <p></p>

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Synthesis of NiMgFe2O4: selective detection of sunitinib, high-performance battery and supercapacitor

  • 期刊论文

  • 发表日期：

    2026年4月6日

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  • D. M. Tejashwini,
  • K. R. Mahanthesha,
  • K. R. Rajashekar,
  • C. P. Swathi

摘要

Engineering trimetal nanoparticles, which have exceptional qualities including stability, large surface area, and effective charge transfer, have advanced significantly as a result of the search for high-performance materials for energy storage and sensing applications. In this work, nickel magnesium ferrite nanoparticle-based pencil graphite electrodes have been well characterized and utilized for developing a voltammetric sensor. Sunitinib and ascorbic acid showed discrete, well-defined irreversible oxidative peaks, whereas acetaminophen was quasi-reversible. Peak currents exhibited high linearity with analyte concentrations ranging from 10 to 100 μM, with a detection and quantification limit. The sensor effectively detected sunitinib in clinical blood serum samples, with spike recovery rates ranging from 99 to 104%. These data highlight the suggested approach's potential for reliably identifying sunitinib and acetaminophen in a wide range of real-world samples with complex matrices. Galvanostatic charge–discharge and electrochemical impedance spectroscopy were utilized to validate the effectiveness of the synthesized nanoparticles as battery and supercapacitor. The electrode was exceptionally stable, keeping 120.34% of its original capacitance after 4,500 cycles. With its sensing capabilities and high energy storage, nickel magnesium ferrite nanoparticles are a viable choice for dual applications in supercapacitors and electrochemical detection of sunitinib, acetaminophen, and ascorbic acid.

Graphical Abstract