Abstract
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.
MeSH terms
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3-Mercaptopropionic Acid / chemistry
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Biosensing Techniques
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Copper / chemistry*
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Copper / metabolism
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Electrochemistry
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Glycine / chemistry*
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Glycine / metabolism
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Gold / chemistry
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Histidine / chemistry*
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Histidine / metabolism
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Ion-Selective Electrodes
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Oxidation-Reduction
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Potentiometry
Substances
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Histidine
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Gold
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Copper
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3-Mercaptopropionic Acid
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Glycine