4.7 Review

Polyphenazine and polytriphenylmethane redox polymer/nanomaterial-based electrochemical sensors and biosensors: a review

期刊

MICROCHIMICA ACTA
卷 188, 期 5, 页码 -

出版社

SPRINGER WIEN
DOI: 10.1007/s00604-021-04821-1

关键词

Redox polymer; Electrochemical sensors; Electrochemical biosensors; Carbon nanomaterials; Nanoparticles; Electropolymerization

资金

  1. Fundacao para a Ciencia e a Tecnologia (FCT), Portugal [PTDC/QEQ-QAN/2201/2014, 3599-PPCDT]
  2. European Community Fund FEDER
  3. CEMMPRE by FEDER funds through the program COMPETE - Programa Operacional Factores de Competitividade [UIDB/EMS/00285/2020]
  4. FCT [UIDB/EMS/00285/2020]

向作者/读者索取更多资源

This review summarizes the use of redox polymers and nanomaterials in electrochemical sensing platforms, discussing the contribution of different materials to sensor performance and how their combination improves analytical performance.
In recent years, an increasing number of studies has demonstrated that redox polymers can be used in simple and effective electrochemical sensing platforms due to their fast electron transfer and electrocatalytic ability. To develop more sensitive and selective electrochemical (bio)sensors, the electrocatalytic properties of redox polymers and the electrical, mechanical, and catalytic properties of various nanomaterials are combined. This review aims to summarize and contribute to the development of (bio)sensors based on polyphenazine or polytriphenylmethane redox polymers combined with nanomaterials, including carbon-based nanomaterials, metal/metal oxide, and semiconductor nanoparticles. The synthesis, preparation, and modification of these nanocomposites is presented and the contribution of each material to the performance of (bio)sensor has been be examined. It is explained how the combined use of these redox polymers and nanomaterials as a sensing platform leads to improved analytical performance of the (bio)sensors. Finally, the analytical performance characteristics and practical applications of polyphenazine and polytriphenylmethane redox polymer/nanomaterial-based electrochemical (bio)sensors are compared and discussed.

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