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- W22798927 abstract "This paper reports that electrodes that are modified with a multifunctional polymer film have ben used for the determination of metal ions in solution for several years. In this approach to electroanalysis, the polymer contains both an internal redox couple, which serves to induce precipitation of the polymer on the electrode surface and permits the coverage to be accurately measured, and a coordinating agent, chosen to bind selectively and strongly to the metal ion of interest. The preconcentration of the metal ion within the polymer enhances the inherent sensitivity of this method while the judicious choice of the coordinating agent can provide high selectivity. Ultramicroelectrodes with a total tip size of several micrometers are excellent candidates for extending the utility of polymer-modified electrodes to minute environments such as within single cells. For example, carbon fiber ultramicroelectrodes have been modified with polymeric films of tetrakis (3-methoxy-4-hydroxyphenyl) porphyrin and used for the determination of nickel in single cells." @default.
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- W22798927 title "Electoanalysis of metal ions in solution using polymer-modified ultramicroelectrodes" @default.
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