Fabrication of carbon-based nanomaterial composite electrochemical sensor for the monitoring of terbutaline in pharmaceutical formulations

Fabrication of carbon-based nanomaterial composite electrochemical sensor for the monitoring of... Colloids and Surfaces A 538 (2018) 600–609 Contents lists available at ScienceDirect Colloids and Surfaces A journal homepage: www.elsevier.com/locate/colsurfa Fabrication of carbon-based nanomaterial composite electrochemical sensor for the monitoring of terbutaline in pharmaceutical formulations P. Gopal, T. Madhusudana Reddy Electrochemical Research Laboratory, Department of Chemistry, S.V.U. College of Sciences, Sri Venkateswara University, Tirupati-517502, Andhra Pradesh, India GR APHICAL A BSTRACT ARTICLE I NFO ABSTRACT Keywords: The present investigation is focused on the development of a chemical sensor made by the modification of glassy Terbutaline carbon electrode (GCE) with graphene followed by multi walled carbon nanotubes (MWCNTs) towards the Graphene quantitative monitoring of Terbutaline (TB). The developed sensor was characterized with cyclic voltammetry, Multi walled carbon nano tubes scanning electron microscopy (SEM) and electrochemical impedance spectroscopy (EIS) studies. The detailed Heterogeneous rate constant electrochemical redox behavior of TB was examined and possible redox mechanism was proposed. We have Electrochemical impedance spectroscopy and studied the effect of pH of phosphate buffer solution (PBS) on the redox behavior of TB and the results suggest order of reaction that the pH-4.5 was an optimum pH. From the effect of scan rate results, it was concluded that the redox process was controlled by diffusion http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Colloids and Surfaces A: Physicochemical and Engineering Aspects Elsevier

Fabrication of carbon-based nanomaterial composite electrochemical sensor for the monitoring of terbutaline in pharmaceutical formulations

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Publisher
Elsevier
Copyright
Copyright © 2017 Elsevier B.V.
ISSN
0927-7757
eISSN
1873-4359
D.O.I.
10.1016/j.colsurfa.2017.11.059
Publisher site
See Article on Publisher Site

Abstract

Colloids and Surfaces A 538 (2018) 600–609 Contents lists available at ScienceDirect Colloids and Surfaces A journal homepage: www.elsevier.com/locate/colsurfa Fabrication of carbon-based nanomaterial composite electrochemical sensor for the monitoring of terbutaline in pharmaceutical formulations P. Gopal, T. Madhusudana Reddy Electrochemical Research Laboratory, Department of Chemistry, S.V.U. College of Sciences, Sri Venkateswara University, Tirupati-517502, Andhra Pradesh, India GR APHICAL A BSTRACT ARTICLE I NFO ABSTRACT Keywords: The present investigation is focused on the development of a chemical sensor made by the modification of glassy Terbutaline carbon electrode (GCE) with graphene followed by multi walled carbon nanotubes (MWCNTs) towards the Graphene quantitative monitoring of Terbutaline (TB). The developed sensor was characterized with cyclic voltammetry, Multi walled carbon nano tubes scanning electron microscopy (SEM) and electrochemical impedance spectroscopy (EIS) studies. The detailed Heterogeneous rate constant electrochemical redox behavior of TB was examined and possible redox mechanism was proposed. We have Electrochemical impedance spectroscopy and studied the effect of pH of phosphate buffer solution (PBS) on the redox behavior of TB and the results suggest order of reaction that the pH-4.5 was an optimum pH. From the effect of scan rate results, it was concluded that the redox process was controlled by diffusion

Journal

Colloids and Surfaces A: Physicochemical and Engineering AspectsElsevier

Published: Feb 5, 2018

References

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