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Simultaneous Determination of Epinephrine and Folic Acid Using the Fe3O4@SiO2/GR Nanocomposite Modified Graphite

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Abstract

A sensitive and convenient electrochemical sensor was developed for determination of epinephrine by using the Fe3O4@SiO2/GR nanocomposite modified graphite screen printed electrode, and its electrochemical behaviour was investigated by cyclic voltammetry, chronoamperometry and differential pulse voltammograms. Differential pulse voltammetry results exhibited the linear dynamic range of 5.0–1000.0 μM, with detection limits (S/N = 3) of 1.0 μM. The prepared electrode was successfully applied for simultaneous determination of epinephrine and folic acid in real samples.

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Authors and Affiliations

  1. Department of Chemistry, Faculty of Sciences, Islamic Azad University, Yazd Branch, Yazd, Iran

    Mohadeseh Safaei & Masoud Reza Shishehbore

  2. Environment Department, Institute of Science and High Technology and Environmental Sciences, Graduate University of Advanced Technology, Kerman, Iran

    Hadi Beitollahi

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  1. Mohadeseh Safaei
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  2. Hadi Beitollahi
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  3. Masoud Reza Shishehbore
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Correspondence to Mohadeseh Safaei.

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Published in Russian in Elektrokhimiya, 2018, Vol. 54, No. 9S, pp. S16–S25.

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Safaei, M., Beitollahi, H. & Shishehbore, M.R. Simultaneous Determination of Epinephrine and Folic Acid Using the Fe3O4@SiO2/GR Nanocomposite Modified Graphite. Russ J Electrochem 54, 851–859 (2018). https://doi.org/10.1134/S1023193518130402

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