Recent advances of amino acid-based biosensors for the efficient food and water contamination detection in food samples and environmental resources: A technical and analytical overview towards advanced nanomaterials and biological receptor

•Recent advances and limitations in Poly(amino acids) based bio(sensing) were discussed.•The analytical figures of merit of the developed methods are also evaluated.•Current improvements on the monitoring of food contamination using poly(amino acids) based bio(sensors) were investigated.