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Grass-Like Pt-Doped Nico2o4 Modified Electrode for Electrochemical Detection of Amlodipine Publisher



Akbari Javar H1 ; Mahmoudimoghaddam H2, 3 ; Garkaninejad Z4 ; Dehghannoudeh G2
Authors
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Authors Affiliations
  1. 1. Pharmaceutics Department, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran
  2. 2. Pharmaceutics Research Center, Institute of Neuropharmacology, Kerman University of Medical Sciences, Kerman, Iran
  3. 3. Department of Environmental Health, School of Public Health, Kerman University of Medical Sciences, Kerman, Iran
  4. 4. Chemistry Department, Faculty of Science, Shahid Bahonar University of Kerman, Kerman, Iran

Source: Measurement: Journal of the International Measurement Confederation Published:2022


Abstract

In this paper, a synthesis of a novel grass-like Pt-doped NiCo2O4 nanocomposite (GL Pt-doped NiCo2O4) is demonstrated. The characterization of fabricated nanocomposite was performed using the techniques such as scanning electron microscope (SEM), Energy-dispersive X-ray spectroscopy (EDX) and X-ray diffraction (XRD). Further, this nanocomposite was used for the modification of screen-printed electrode (SPE). A suitable electrocatalytic behavior was obtained for GL Pt-doped NiCo2O4/SPE to detect amlodipine (AML) selectively and sensitively in presence of different routine interfering ions and physiological compounds. The AML determination showed broad linearity (0.07 to 350 µM) using differential pulse voltammetry (DPV), and limit of detection (LOD) and limit of quantification (LOQ) of 0.009 and 0.027 µM were obtained respectively. Moreover, acceptable recovery for AML by the present modified electrode was obtained in drug and biological samples. © 2022 Elsevier Ltd
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