Electrochemical Immunosensor Based on Au Nanoparticles and Conductive Metal-Organic Framework Modified MXene Composites for Detection of Alpha-Fetoprotein
Scientific Papers|更新时间:2025-11-05
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Electrochemical Immunosensor Based on Au Nanoparticles and Conductive Metal-Organic Framework Modified MXene Composites for Detection of Alpha-Fetoprotein
Journal of Instrumental AnalysisVol. 44, Issue 11, Pages: 2229-2235(2025)
DAI Can-yuan,BAI Jin-yuan,ZHANG Hang-tao,LI Jing-qian,WANG Wen-da,HU Jie.Electrochemical Immunosensor Based on Au Nanoparticles and Conductive Metal-Organic Framework Modified MXene Composites for Detection of Alpha-Fetoprotein[J].Journal of Instrumental Analysis,2025,44(11):2229-2235.
DAI Can-yuan,BAI Jin-yuan,ZHANG Hang-tao,LI Jing-qian,WANG Wen-da,HU Jie.Electrochemical Immunosensor Based on Au Nanoparticles and Conductive Metal-Organic Framework Modified MXene Composites for Detection of Alpha-Fetoprotein[J].Journal of Instrumental Analysis,2025,44(11):2229-2235. DOI: 10.12452/j.fxcsxb.25010913.
Electrochemical Immunosensor Based on Au Nanoparticles and Conductive Metal-Organic Framework Modified MXene Composites for Detection of Alpha-Fetoprotein
In this study,the conductive metal-organic framework(Cu
3
(HITP)
2
) nanosheet structures were successfully growth on titanium carbide(MXene) via wet etching and in situ growth methods. Au nanoparticles(Au NPs) were modified on the surface of Cu
3
(HITP)
2
-MXene nanocomposites using a chemical reductio
n technique. The morphology and elemental composition of the synthesized samples were systematically characterized through scanning electron microscopy(SEM) and X-ray photoelectron spectroscopy(XPS). The electrochemical performances of the as-developed Au NPs@Cu
3
(HITP)
2
-MXene immunosensor were investigated by cyclic voltammetry(CV),electrochemical impedance spectroscopy(EIS) and differential pulse voltammetry(DPV). The obtained results demonstrated that the electrochemical immunosensor displays a linear range from 100 fg/mL to 10 μg/mL with a low detection limit of 35 fg/mL,as well as excellent selectivity and stability toward alpha-fetoprotein(AFP). As results,the as-proposed electrochemical immunosensor based on Au NPs@Cu
3
(HITP)
2
-MXene nanocomposites exhibits highly performances toward AFP detection,which is potential for the application for the analysis of human serum sample.
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