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Electrochemical Nanostructure Platform for the Analysis of Glutathione in the Presence of Uric Acid and Tryptophan Publisher



Karimimaleh H1 ; Bananezhad A2 ; Ganjali MR2, 3 ; Norouzi P2, 3
Authors

Source: Analytical Methods Published:2017


Abstract

In this work, a NiO-CNT nanocomposite and 2-(3,4-dihydroxyphenethyl)isoindoline-1,3-dione (DPID) were used as modifiers for the modification of a carbon paste electrode (DPID/NiO-CNT/CPE) for the electro-catalytic analysis of glutathione (GSH). The electro-catalytic interaction between DPID and GSH on the surface of the DPID/NiO-CNT/CPE was used as a new way for the analysis of GSH. GSH can be detected on the surface of the DPID/NiO-CNT/CPE in the concentration ranges of 0.03-10.0 and 10.0-200.0 μM with a detection limit of 0.015 μM. The DPID/NiO-CNT/CPE facilitated the simultaneous analysis of glutathione (GSH) in the presence of uric acid (UA) and tryptophan (Trp). The DPID/NiO-CNT/CPE showed high performance ability for GSH analysis in real samples. © 2017 The Royal Society of Chemistry.
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