Issue 35, 2023

Paper-based colorimetric sensors for point-of-care testing

Abstract

By eliminating the need for sample transportation and centralized laboratory analysis, point-of-care testing (POCT) enables on-the-spot testing, with results available within minutes, leading to improved patient management and overall healthcare efficiency. Motivated by the rapid development of POCT, paper-based colorimetric sensing, a powerful analytical technique that exploits the changes in color or absorbance of a chemical species to detect and quantify analytes of interest, has garnered increasing attention. In this review, we strive to provide a bird's eye view of the development landscape of paper-based colorimetric sensors that harness the unique properties of paper to create low-cost, easy-to-use, and disposable analytical devices, thematically covering both fundamental aspects and categorized applications. In the end, we authors summarized the review with the remaining challenges and emerging opportunities. Hopefully, this review will ignite new research endeavors in the realm of paper-based colorimetric sensors.

Graphical abstract: Paper-based colorimetric sensors for point-of-care testing

Article information

Article type
Critical Review
Submitted
09 Jūn. 2023
Accepted
11 Aug. 2023
First published
11 Aug. 2023

Anal. Methods, 2023,15, 4377-4404

Paper-based colorimetric sensors for point-of-care testing

A. Ko and C. Liao, Anal. Methods, 2023, 15, 4377 DOI: 10.1039/D3AY00943B

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