A molecularly imprinted electrochemical aptasensor based on graphene and tin dioxide composite with electrodeposited gold nanoparticles for dual recognition of enrofloxacin

Ying Wang

doi:10.1016/j.talanta.2026.130391

A molecularly imprinted electrochemical aptasensor based on graphene and tin dioxide composite with electrodeposited gold nanoparticles for dual recognition of enrofloxacin

2026-08-03

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PRE

AI

Y

Ying Wang

S

Shanshan Fu

Z

Zhengyuan Dai

Y

Yinuo Liu

X

Xiaoyu Yang

L

Li Li *

Y

Yaping Ding *

DOI：10.1016/j.talanta.2026.130391

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• A molecularly imprinted electrochemical aptamer sensor was designed for enrofloxacin detection. • SnO2-graphene and gold nanoparticles were used as electrode modification materials. • The sensor features a dual recognition mechanism combining MIP and aptamer, exhibiting superior detection performance compared to sensors with a single recognition element. • It exhibited a limit of detection of 1.65 × 10 −15 M for the electrochemical detection of enrofloxacin.

A molecularly imprinted electrochemical aptasensor based on graphene and tin dioxide composite with electrodeposited gold nanoparticles for dual recognition of enrofloxacin

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