Monitoring of Escherichia coli O157:H7 in food samples using lectin based surface plasmon resonance biosensor

► Lectin based surface plasmon resonance (SPR) biosensor was firstly constructed for Escherichia coli O157:H7 detection. ► This biosensor possesses high specificity, remarkable sensitivity, as well as high-throughput screening for bacteria. ► The developed sensor could be used to direct evaluation of E. coli O157:H7 levels in real food samples.