Transduction methods used on biosensors: amperometry and fluorescence

Authors

  • Juan Bernardo Cano University of Antioquia https://orcid.org/0000-0003-4767-1007
  • Katia Buonasera Italian National Research Council
  • Gianni Pezzotti Biosensor SRL

DOI:

https://doi.org/10.17533/udea.redin.16502

Keywords:

biosensors, amperometry, fluorescence, transduction methods, electronic design

Abstract

Biosensor devices have applications in a variety of fields as environmental analysis, biomedical, bio-defense, food and agriculture. On this kind of sensors, a biological material (known as biomediator) reacts with target analytes and an appropriated transduction system converts that reaction to an electrical signal that can be processed, saved and transmitted by using electronic systems.
 
In this article, two transduction methods used for biosensing applications are described: amperometry that is based on the measurement of the electron transfer occurring inside the biomediator and fluorescence, that is based on the measurement of the re-emitted light. Emphasis has been done on the electronics design, including component selection, useful circuit topologies and common problems and solutions. Electronics has been validated for the development of biosensor-based instruments characterized by low production costs and portability.
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Author Biographies

Juan Bernardo Cano, University of Antioquia

Research Group on Efficient Energy Use (GIMEL), Department of Electrical Engineering, Faculty of Engineering.

Katia Buonasera, Italian National Research Council

PhD Researcher, Institute of Crystallography.

Gianni Pezzotti, Biosensor SRL

Project Engineer.

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Published

2014-08-20

How to Cite

Cano, J. B., Buonasera, K., & Pezzotti, G. (2014). Transduction methods used on biosensors: amperometry and fluorescence. Revista Facultad De Ingeniería Universidad De Antioquia, (72), 104–115. https://doi.org/10.17533/udea.redin.16502