An ion‐gate response of a glutathione monolayer assembly highly sensitive to lanthanide ions | Zendy

Takehara Kô | Zendy; Aihara Makoto | Zendy; Ueda Nami | Zendy

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An ion‐gate response of a glutathione monolayer assembly highly sensitive to lanthanide ions

Author(s) -

Takehara Kô,

Aihara Makoto,

Ueda Nami

Publication year - 1994

Publication title -

electroanalysis

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.574

H-Index - 128

eISSN - 1521-4109

pISSN - 1040-0397

DOI - 10.1002/elan.1140061128

Subject(s) - ion , monolayer , lanthanide , chemistry , cyclic voltammetry , glutathione , electrode , inorganic chemistry , glycine , analytical chemistry (journal) , electrochemistry , enzyme , chromatography , organic chemistry , biochemistry , amino acid

The self‐assembled glutathione (γ‐L‐glutamyl‐L‐cysteinyl‐glycine, GSH) monolayer was formed on a gold electrode via a sulfur attachment of the cysteinyl residue. The effect of lanthanide ions (La 3+ , Eu 3+ and Lu 3+ ) on the ion‐gate behavior of this electrode was studied by using cyclic voltammetry (CV) and Fe(CN) 6 3– as a probe ion. These ions were found to open the ion gate with a few micromoles, and the effect was in the order of La 3+ > Eu 3+ Lu 3+ .

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