Ionic liquid-enhanced silica aerogels for the specific extraction and detection of aflatoxin B1 coupled with a smartphone-based colorimetric biosensor

[Display omitted] •The aerogel pore of poly(VHIm+Br−)@SiO2 can reduce matrix interference.•MoS2/Au exhibited a peroxidase catalytic activity.•A portable signal reading-out platform was constructed on the basis of a smartphone application.•The proposed biosensor had good sensitivity with a LOD of 0.0...

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