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<p>A self-assembly method for coating onto the nickel foam was developed effectively and applied for the first time with high sensitivity and selectivity for detecting amoxicillin (AMOX). Moreover, this ternary nanocomposite-based electrochemical sensor has effectively detected with low concentrations (0.5&#xa0;µM) of amoxicillin incorporated on MXene. According to the synthesized characteristics, the SiO<sub>2</sub>-MXene-SnO<sub>2</sub> nanocomposite was characterized as crystalline in nature (powdered X-ray diffraction), Raman spectroscopy, XPS, DRS, photoluminescence (PL), photocurrent, TEM, cyclic voltammetry (CV), and various electrochemical analyses. As stated to the synthesized (3D) active materials, SiO<sub>2</sub> and SnO<sub>2</sub> are biocompatible, porosity, chemically stable, enhance the sensitivity of the electrode, and are more cost-effective than using more complicated materials. Furthermore, MXene exhibits good conductivity, a high surface area, and efficient electron transfer during electrochemical reactions and provides strong interaction with polar substances drugs same as amoxicillin. Additionally, the nickel foam electrode includes more properties compared to other electrodes for applying to identify different biomolecules. Based on electrochemical sensing, there is a linear relationship (0.5–0.25&#xa0;μM) among the concentrations of AMOX, with limit of detection (LOD) 0.961&#xa0;μM. All experiments show that the SiO<sub>2</sub>-MXene-SnO<sub>2</sub> nanocomposite designed biosensor serves as an ideal electrochemical sensor for detecting amoxicillin.</p>

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Modeling approach for 2D MXene-based metal oxide composites toward high electroactive biosensor and biomedical application

  • 期刊论文

  • 发表日期：

    2025年8月7日

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  • Latiful Kabir,
  • Won-Chun Oh

摘要

A self-assembly method for coating onto the nickel foam was developed effectively and applied for the first time with high sensitivity and selectivity for detecting amoxicillin (AMOX). Moreover, this ternary nanocomposite-based electrochemical sensor has effectively detected with low concentrations (0.5 µM) of amoxicillin incorporated on MXene. According to the synthesized characteristics, the SiO2-MXene-SnO2 nanocomposite was characterized as crystalline in nature (powdered X-ray diffraction), Raman spectroscopy, XPS, DRS, photoluminescence (PL), photocurrent, TEM, cyclic voltammetry (CV), and various electrochemical analyses. As stated to the synthesized (3D) active materials, SiO2 and SnO2 are biocompatible, porosity, chemically stable, enhance the sensitivity of the electrode, and are more cost-effective than using more complicated materials. Furthermore, MXene exhibits good conductivity, a high surface area, and efficient electron transfer during electrochemical reactions and provides strong interaction with polar substances drugs same as amoxicillin. Additionally, the nickel foam electrode includes more properties compared to other electrodes for applying to identify different biomolecules. Based on electrochemical sensing, there is a linear relationship (0.5–0.25 μM) among the concentrations of AMOX, with limit of detection (LOD) 0.961 μM. All experiments show that the SiO2-MXene-SnO2 nanocomposite designed biosensor serves as an ideal electrochemical sensor for detecting amoxicillin.