A novel carbon ceramic electrode modified by Fe3O4 magnetic nanoparticles coated with aptamer-immobilized polydopamine: An effective label-free aptasensor for sensitive detection of diclofenac

Tahereh Rohani,Sayed Zia Mohammadi,Nasrin Gholamhosein Zadeh,Mohammad Bagher Askari

Microchemical Journal（2021）

引用 13|浏览4

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摘要

•Dopamine was polymerized and coated on the surface of the synthetic Fe3O4.•The aptamer was immobilized on the surface of the polydopamine@Fe3O4-CCE.•The fabricated aptasensor was applied for detecting trace amounts of diclofenac.

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关键词

Label-free aptasensor,Polydopamine,Fe3O4 magnetic nanoparticles,Carbon ceramic electrode,Sodium diclofenac

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