Figure 7From: Aptasensors for rapid detection of Escherichia coli O157:H7 and Salmonella typhimuriumSpecificity of aptasensor-based detection. (a) Specificity of A1/AuNPs detection in E. coli O157:H7. (b) Specificity of A2/AuNPs detection in S. typhimurium.Back to article page