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<p>The successful fabrication of the Sm@SrMoO<sub>4</sub> nanocomposite as an efficient electrocatalytic nanomaterial for folic acid (FA) sensing. The basic co-precipitation approach is used to develop Sm@SrMoO<sub>4</sub>. The structure and physicochemical features of Sm@SrMoO<sub>4</sub> were investigated using various analytical and spectroscopic methods. The characterization findings show the crystallinity, homogeneous distribution, and shape of the developed material. The Sm@SrMoO<sub>4</sub> is utilized to modify the GCE electrode for electrochemical detection of the FA via CV and LSV. The modified electrodes exhibit higher redox activity for FA sensing, as well as a higher peak current response as compared to unmodified electrodes. The constructed Sm@SrMoO<sub>4</sub>/GCE has a linear range of 1.0 to 50.0&#xa0;μM, with limit of detection and the limit of quantification of 1.58&#xa0;μM and 4.80&#xa0;μM. The improved Sm@SrMoO<sub>4</sub>/GCE exhibits a high recovery rate in real sample analysis, allowing for reliable detection of FA in food samples. Sm@SrMoO<sub>4</sub>/GCE has improved selectivity, sensitivity, and stability towards FA, making it an appropriate sensor for determining FA in food samples.</p>

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Development of a Sm@SrMoO4-based electrochemical sensor for selective electrochemical determination of folic acid in tomato and lemon juice

  • 期刊论文

  • 发表日期：

    2025年7月10日

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  • S. Dhakshayini,
  • M. B. Kavyashree,
  • A. R. Anusha Gowda,
  • M. B. Shivaswamy,
  • M. A. Sangamesha,
  • M. Akshay,
  • H. S. Nagendra Prasad

摘要

The successful fabrication of the Sm@SrMoO4 nanocomposite as an efficient electrocatalytic nanomaterial for folic acid (FA) sensing. The basic co-precipitation approach is used to develop Sm@SrMoO4. The structure and physicochemical features of Sm@SrMoO4 were investigated using various analytical and spectroscopic methods. The characterization findings show the crystallinity, homogeneous distribution, and shape of the developed material. The Sm@SrMoO4 is utilized to modify the GCE electrode for electrochemical detection of the FA via CV and LSV. The modified electrodes exhibit higher redox activity for FA sensing, as well as a higher peak current response as compared to unmodified electrodes. The constructed Sm@SrMoO4/GCE has a linear range of 1.0 to 50.0 μM, with limit of detection and the limit of quantification of 1.58 μM and 4.80 μM. The improved Sm@SrMoO4/GCE exhibits a high recovery rate in real sample analysis, allowing for reliable detection of FA in food samples. Sm@SrMoO4/GCE has improved selectivity, sensitivity, and stability towards FA, making it an appropriate sensor for determining FA in food samples.