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A Composite Material Based on Nanoparticles of Yttrium (III) Oxide for the Selective and Sensitive Electrochemical Determination of Acetaminophen

A Composite Material Based on Nanoparticles of Yttrium (III) Oxide for the Selective and Sensitive Electrochemical Determination of Acetaminophen

Aysegul Kutluay Baytak, Tugce Teker, Sehriban Duzmen, Mehmet Aslanoglu

Mater Sci Eng C Mater Biol Appl. 2016 Sep 1;66:278-284.

PMID: 27207064

Abstract:

An electrochemical sensor was prepared by modifying a glassy carbon electrode (GCE) with a composite of yttrium (III) oxide nanoparticles (Y2O3NPs) and carbon nanotubes (CNTs) for the determination of acetaminophen (ACT). Compared with a bare GCE and CNTs/GCE, the Y2O3NPs/CNTs/GCE exhibited a well-defined redox couple for ACT and highly enhanced the current response. The separations in the anodic and cathodic peak potentials (ΔEp) for ACT were 552mV, 24mV and 10mV at ba4re GCE, CNTs/GCE and Y2O3NPs/CNTs/GCE, respectively. The observation of only 10mV of ΔEp for ACT at Y2O3NPs/CNTs/GCE was a clear indication of a great acceleration of the electrode process compared to bare GCE and GCE modified with CNTs. Also, l-ascorbic acid (l-AA) and l-tyrosine (l-TRY) did not interfere with the selective determination of ACT. Square wave voltammetry (SWV) was performed for the quantification of ACT. A linear plot was obtained for current responses versus the concentrations of ACT over the range from 1.0×10(-10) to 1.8×10(-8)M with a detection limit of 3.0×10(-11)M (based on 3Sb/m). The proposed composite material provided high electrocatalytic activity, improved voltammetric behavior, good selectivity and good reproducibility. The accurate quantification of ACT makes the proposed electrode of great interest for the public health.

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
AP1314369	Yttrium(III) oxide		1314-36-9	Price

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