Journal of Solid State Electrochemistry

, Volume 19, Issue 10, pp 3045–3050 | Cite as

An additional tool towards overcoming absence of specificity of carbon nanostructure-based electrochemical sensors—application to estriol and estradiol detection and distinction

Original Paper


The tristimulus analysis was applied in differential pulse voltammetry experiments to detect and distinguish two substances using a set of three sensors that respond to both substances, aiming at the development of an additional tool to overcome the absence of specificity of the sensor to a single chemical species. The sensors are based on carbon nanostructures (graphene oxide, reduced graphene oxide, and reduced graphene oxide modified with antimony nanoparticles) and are applied to estriol and estradiol detection in water, which constitutes an environmental problem. We show that apart from substance identification, the method can be used to quantify the relative concentration of the substances in a solution.


Estradiol Graphene Oxide Reduce Graphene Oxide Differential Pulse Voltammetry Electrochemical Sensor 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.



The authors would like to thank CNPq and FAPESP (2015/00821-0) for research grants.


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Copyright information

© Springer-Verlag Berlin Heidelberg 2015

Authors and Affiliations

  1. 1.Department of Bioprocess and Biotechnology, College of Agricultural SciencesSão Paulo State UniversityBotucatuBrazil
  2. 2.Departamento de FísicaUniversidade Federal do ParanáCuritibaBrazil

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