Therefore, the biosensor showed a high selectivity to Pb2þ. In addition, our proposed biosensor also exhibited a high sensitivity towards Pb2þ, with a limit of detection of 5.0 nM observed
Therefore, the biosensor showed a high selectivity toPb2þ. In addition, our proposed biosensor also exhibited a highsensitivity towards Pb2þ, with a limit of detection of 5.0 nM observed