Journal
BIOSENSORS-BASEL
Volume 11, Issue 2, Pages -Publisher
MDPI
DOI: 10.3390/bios11020051
Keywords
microfluidics; electroanalysis; paper-based devices (mu PADs); paper-based electroanalytical devices (ePADs); screen-printed electrodes
Funding
- Spanish Ministry of Science and Innovation [PID2019-107838RB-100]
- Banco Santander
- CRUE
- CSIC by the Project LIFE (Fondo Supera COVID-19)
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Screen-printed technology has greatly contributed to the development of portable electrochemical sensors by providing miniaturized, robust, and user-friendly electrodes. The use of SPEs has exponentially increased in recent decades, with paper and other low-cost materials becoming common substrates.
Screen-printed technology has helped considerably to the development of portable electrochemical sensors since it provides miniaturized but robust and user-friendly electrodes. Moreover, this technology allows to obtain very versatile transducers, not only regarding their design, but also their ease of modification. Therefore, in the last decades, the use of screen-printed electrodes (SPEs) has exponentially increased, with ceramic as the main substrate. However, with the growing interest in the use of cheap and widely available materials as the basis of analytical devices, paper or other low-cost flat materials have become common substrates for SPEs. Thus, in this revision, a comprehensive overview on paper-based SPEs used for analytical proposes is provided. A great variety of designs is reported, together with several examples to illustrate the main applications.
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