Multiwall carbon nanotube-ionic liquid electrode modified with gold nanoparticles as a base for preparation of a novel impedimetric immunosensor for low level detection of human serum albumin in biological fluids

•Design of a novel impedimetric immunosensor for detection of HSA in biological fluids.•Use of a multiwall carbon nanotube-ionic liquid electrode (MW-CILE) modified with AuNPs as a base.•Immobilization of activated anti-HAS on AuNPs/MW-CILE using 1,6-hexanedithiol as a cross linker.•Achieving linear...

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