Journal
IONICS
Volume 23, Issue 4, Pages 1005-1015Publisher
SPRINGER HEIDELBERG
DOI: 10.1007/s11581-016-1871-2
Keywords
Tramadol; LDH/Fe3O4@ GCE; Differential pulse voltammetry; Sensor
Funding
- Bu-Ali Sina University
- Urmia University Research Council
- Center of Excellence in Development of Environmentally Friendly Methods for Chemical Synthesis (CEDEFMCS)
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The electrochemical behavior of tramadol (TRA) on magneto layer double hydroxide (LDH)/Fe3O4@glassy carbon electrode (LDH/Fe3O4@GCE) was evaluated. Some theoretical thermodynamic and kinetic parameters were also determined using chronoamperometric and voltammetric methods. The ability of the modified electrode to determine trace amounts of TRA was studied using differential pulse voltammetry (DPV) as a sensitive electrochemical method. For characterizing and investigating the performance of LDH/Fe3O4@GCE, various methods including scanning electron microscopy (SEM), X-ray diffraction (XRD), cyclic voltammetry (CV), and DPV were used. The effect of pH, scan rate, and time on the voltammetric response of TRA were investigated. Under the optimized conditions, the anodic peak current was linear for the concentration of TRA in the range 1.0-200.0 mu mol L-1 with the detection limit of 3.0 x 10(-1) mu mol L-1. This method was also successfully used to detect the concentration of TRA in human serum and urine samples.
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