Lanthanum ortho-ferrite (LaFeO3) nano-particles based electrochemical sensor for the detection of dopamine

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Abstract

The perovskite type lanthanum ortho ferrite nano-particles (LaFeO3) based electrochemical sensor was developed and used to detect dopamine. For this work the lanthanum ortho ferrite nano-particles (LaFeO3) were synthesized by combustion technique using sugar and ethanolamine with lanthanum oxide and ferric nitrate. For the characterization of newly prepared lanthanum ortho ferrite nano-particles, techniques like FESEM, and TEM were used. The crystallite size was found to be 40 to 46 nm with cubic crystal structure. To check the electrochemical properties of a modified sensor electrode (LaFeO3/GP), the cyclic voltammetry (CV) and differential pulse voltammetry (DPV) techniques were used. During the experiment, the phosphate buffer solution having pH 6.0 was employed, maintaining the scan rate 100mVs-1 and 50mVs-1 for cyclic voltammetry and Differential pulse voltammetry, respectively.

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Kumar, Y., Pramanik, S., & Das, D. K. (2020). Lanthanum ortho-ferrite (LaFeO3) nano-particles based electrochemical sensor for the detection of dopamine. Biointerface Research in Applied Chemistry, 10(5), 6182–6188. https://doi.org/10.33263/BRIAC105.61826188

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