Electrochemical Enzyme Biosensors Revisited: Old Solutions for New Problems

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31 Citations (Scopus)


Worldwide legislation is driving the development of novel and highly efficient analytical tools for assessing the composition of every material that interacts with Consumers or Nature. The biosensor technology is one of the most active R&D domains of Analytical Sciences focused on the challenge of taking analytical chemistry to the field. Electrochemical biosensors based on redox enzymes, in particular, are highly appealing due to their usual quick response, high selectivity and sensitivity, low cost and portable dimensions. This review paper aims to provide an overview of the most important advances made in the field since the proposal of the first biosensor, the well-known hand-held glucose meter. The first section addresses the current needs and challenges for novel analytical tools, followed by a brief description of the different components and configurations of biosensing devices, and the fundamentals of enzyme kinetics and amperometry. The following sections emphasize on enzyme-based amperometric biosensors and the different stages of their development.

Original languageEnglish
Pages (from-to)44-66
Number of pages23
JournalCritical Reviews in Analytical Chemistry
Issue number1
Publication statusPublished - 2 Jan 2019


  • Amperometry
  • analysis and diagnostics
  • biosensors
  • electron transfer principles
  • redox enzymes


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