Sub-ppt detection limits for copper ions with Gly-Gly-His modified electrodes
journal contribution
posted on 2001-01-01, 00:00authored byWenrong YangWenrong Yang, D Jaramillo, J Gooding, D Hibbert, R Zhang, G Willett, K Fisher
An electrochemical metal ion sensor has been developed with a detection limit of less than 0.2 ppt by the covalent attachment of the tripeptide Gly-Gly-His as a recognition element to a 3-mercaptopropionic acid modified gold electrode.