太原理工大学 电子信息工程学院,山西 太原 030024
胡杰,博士生导师,教授,研究方向:电化学免疫传感器,E-mail:hujie@tyut.edu.cn
收稿:2025-01-09,
修回:2025-02-19,
录用:2025-03-21,
网络出版:2025-10-13,
纸质出版:2025-11-15
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戴灿源,白锦源,张航滔,李京谦,王文达,胡杰.纳米金及导电金属有机框架修饰MXene复合材料构建甲胎蛋白电化学免疫传感器[J].分析测试学报,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.
戴灿源,白锦源,张航滔,李京谦,王文达,胡杰.纳米金及导电金属有机框架修饰MXene复合材料构建甲胎蛋白电化学免疫传感器[J].分析测试学报,2025,44(11):2229-2235. DOI: 10.12452/j.fxcsxb.25010913.
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.
该文通过湿法刻蚀和原位生长技术,在碳化钛(MXene)层状基底上生长了铜基导电金属有机框架Cu
3
(HITP)
2
,成功制备了Cu
3
(HITP)
2
-MXene纳米结构。采用化学还原法在其表面负载金纳米颗粒(Au NPs),制备出Au NPs@Cu
3
(HITP)
2
-MXene纳米复合材料。利用扫描电子显微镜(SEM)和X射线光电子能谱仪(XPS)对其微观形貌、元素组成进行表征。通过循环伏安法(CV)、电化学阻抗谱法(EIS)及差分脉冲伏安法(DPV)对所构建的Au NPs@Cu
3
(HITP)
2
-MXene免疫传感器进行电化学性能测试。实验结果表明,该免疫传感器在100 fg/mL~10 μg/mL范围内对甲胎蛋白(AFP)表现出良好的线性关系,检出限低至35 fg/mL,同时具有优异的选择性和稳定性。因此,基于Au NPs@Cu
3
(HITP)
2
-MXene复合材料的免疫传感器能够实现对AFP的高性能检测,并在人体血清样品检测中展现出潜在的应用前景。
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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