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Vol. 34 No. 6 (2022): Vol 34 Issue 6

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Fabrication of Pyromellitic Acid Polymer Modified Electrochemical Sensor for the Determination of Tryptophan

https://doi.org/10.14233/ajchem.2022.23705
R. Rejithamol
Department of Chemistry, Amrita Vishwa Vidyapeetham, Amritapuri-690525, India
S. Adwaitha
Department of Chemistry, Amrita Vishwa Vidyapeetham, Amritapuri-690525, India
G. Darsana
Department of Chemistry, Amrita Vishwa Vidyapeetham, Amritapuri-690525, India
M.V. Sreenidhi
Department of Chemistry, Amrita Vishwa Vidyapeetham, Amritapuri-690525, India
R. Rajeswary
Department of Chemistry, Amrita Vishwa Vidyapeetham, Amritapuri-690525, India
M. Abhirami
Department of Chemistry, Amrita Vishwa Vidyapeetham, Amritapuri-690525, India
R. Reshma
Department of Chemistry, Amrita Vishwa Vidyapeetham, Amritapuri-690525, India

Corresponding Author(s) : R. Rejithamol

rejithamolr@am.amrita.edu

Asian Journal of Chemistry, Vol. 34 No. 6 (2022): Vol 34 Issue 6

Abstract

Herein reporting a sensitive electrochemical strategy for the quantification of tryptophan on indium tin oxide electrode with an electropolymerized pyromellitic acid. In all perspectives, the characteristic features of the developed electrode were consistent with the requirements of a sensor. The morphological and functional identification of the modified electrode were done by scanning electron microscopy and infrared spectroscopy. The proposed electrode material has long-term stability and is easy to handle for real-life sample analysis. The fabricated electrode has a linear range of 10 to 300 μM with a limit of detection of 1.15 μM. The calculated sensitivity of the electrode was 1.3 μM/μA/cm2.

Keywords

Tryptophan Pyromellitic acid Electropolymerization Chemical sensors Indium tin oxide
Rejithamol, R., Adwaitha, S., Darsana, G., Sreenidhi, M., Rajeswary, R., Abhirami, M., & Reshma, R. (2022). Fabrication of Pyromellitic Acid Polymer Modified Electrochemical Sensor for the Determination of Tryptophan. Asian Journal of Chemistry, 34(6), 1526–1530. https://doi.org/10.14233/ajchem.2022.23705
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