Graphene–palladium nanowires based electrochemical sensor using ZnFe2O4–graphene quantum dots as an effective peroxidase mimic
Review articleOpen access
Abstract:

Highlights•The nanohybrid ZnFe2O4/GQDs was developed by assembling the GQDs on the ZnFe2O4 through a photo-Fenton reaction.•The ZnFe2O4/GQDs exhibited higher peroxidase-like activity and better stability than each individual and HRP.•An electrochemical sensor was fabricated using ZnFe2O4/GQDs nanohybrid as a mimic enzymatic to detect DNA.•Graphene and Pd nanowires were modified on the glassy carbon electrode, which improved the electronic transfer rate.

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