Ternary Pt@Pd@Ru nanodendrite-decorated graphene oxide for sensitive electrochemical immunoassy of CEA

Mu Zonggang; Jiao Lei; Wei Qin; Li He

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Ternary Pt@Pd@Ru nanodendrite-decorated graphene oxide for sensitive electrochemical immunoassy of CEA

机译：适用于CEA的敏感电化学免疫敏感的石墨烯氧化物Ternary Pt @ Pd @ ru纳秒 - 装饰石墨烯氧化物

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Nobel metal nanoparticles have attracted intense attentions in biological immunoassay due to the inhereted good catalytic activity. In this study, a new kind of nanocomposite of ternary Pt@Pd@Ru nanodendrite-decorated graphene oxide (GO-Pt@Pd@Ru) was prepared as a signal label for ultrasensitive detection of carcinoembryonic antigen (CEA). With a sandwich type immunoassay, the established electrochemical immunosensor showed highly sensitive detection performance towards CEA in a linear range (0.1 pg mL(-1) to 9 ng mL(-1)) with an ultralow detection limit of 0.05 pg mL(-1). The enhancing detection performance could be attributed to: ternary Pt@Pd@Ru nanodendrites have exhibited superior electrochemical reduction activity towards H2O2, then GO-Pt@Pd@Ru can combine all generated electrochemical reduction current towards H2O2 by the decorated Pt@Pd@Ru nanodendrites, which can significantly amplify the detection signal.

机译：由于良好的良好催化活性，诺贝尔金属纳米粒子引起了生物免疫测定的强烈关注。在该研究中，制备了一种新种类的三元Pt @ Pd @ ru纳秒装饰的石墨烯氧化物（Go-Pt @ Pd @Ru）作为信号标记，用于超声检测癌胚抗原（CEA）。用夹层型免疫测定，所建立的电化学免疫传感器在线性范围（0.1pg ml（-1）至9 ng ml（-1））显示出高度敏感的检测性能，以超低检测限为0.05pg ml（-1 ）。增强的检测性能可能归因于：三元Pt @ Pd @ ru纳秒展示了H2O2的卓越的电化学减少活性，然后Go-Pt @ Pd @ ru可以通过装饰的pt @ pd @ ru将所有产生的电化学减少电流与H2O2相结合纳秒，可以显着放大检测信号。

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《RSC Advances》 |2016年第49期|共6页
作者
Mu Zonggang; Jiao Lei; Wei Qin; Li He;
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作者单位

Univ Jinan Sch Chem &

Chem Engn Key Lab Chem Sensing &

Anal Univ Shandong Jinan 250022 Peoples R China;

Univ Jinan Sch Chem &

Chem Engn Key Lab Chem Sensing &

Anal Univ Shandong Jinan 250022 Peoples R China;

Univ Jinan Sch Chem &

Chem Engn Key Lab Chem Sensing &

Anal Univ Shandong Jinan 250022 Peoples R China;

Univ Jinan Sch Chem &

Chem Engn Key Lab Chem Sensing &

Anal Univ Shandong Jinan 250022 Peoples R China;

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正文语种 eng
中图分类化学;
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1. Ternary Pt@Pd@Ru nanodendrite-decorated graphene oxide for sensitive electrochemical immunoassy of CEA [J] . Mu Zonggang, Jiao Lei, Wei Qin, RSC Advances . 2016,第49期

机译：适用于CEA的敏感电化学免疫敏感的石墨烯氧化物Ternary Pt @ Pd @ ru纳秒 - 装饰石墨烯氧化物
2. A promising electrochemical sensing platform based on ternary composite of polyaniline-Fe2O3-reduced graphene oxide for sensitive hydroquinone determination [J] . Chemical engineering journal . 2015,第Null期

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3. Decoration of graphene oxide with NiO@polypyrrole core-shell nanoparticles for the sensitive and selective electrochemical determination of piceatannol in grape skin and urine samples [J] . Afzali Moslem, Mostafavi Ali, Shamspur Tayebeh Talanta: The International Journal of Pure and Applied Analytical Chemistry . 2019,第期

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4. Nickel oxide (NiO)/reduced graphene oxide (RGO) composite modified carbon paste electrode as an electrochemical sensor for the sensitive determination of dopamine [C] . Teena Joseph, V. K. Sona, A. Aiswarya, International Conference on Advanced Materials . 2019

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5. Design and Rapid Prototyping of Printed Graphene Electrochemical Biosensors for Sensitive Monitoring of Pesticide Levels for Agricultural Use [D] . Hondred, John Avert. 2019

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Ternary Pt@Pd@Ru nanodendrite-decorated graphene oxide for sensitive electrochemical immunoassy of CEA

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