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2021

Microfluidics and Materials for Smart Water Monitoring: a Review,

Authors:
J. Saez, R. Catalán-Carrió, R. M Owens, L. Basabe-Desmonts, F. Benito-Lopez
Year:
2021
Journal:
Anal. Chim. Acta
Impact Factor:
6.911
Quartile:
(D1) Q1
ISBN/ISSN:
1873-4324
DOI:
https://doi.org/10.1016/j.aca.2021.338392
Description:

Water quality monitoring of drinking, waste, fresh and, seawaters is of great importance to ensure safety and wellbeing for humans, fauna and, flora. Researchers are developing robust water monitoring microfluidic devices but, the delivery of a cost-effective, commercially available platform has not yet been achieved. Conventional water monitoring is mainly based on laboratory instruments or sophisticated and expensive handheld probes for on-site analysis, both requiring trained personnel and being time-consuming. As an alternative, microfluidics has emerged as a powerful tool with the capacity to replace conventional analytical systems. Nevertheless, microfluidic devices largely use conventional pumps and valves for operation and electronics for sensing, that increment the dimensions and cost of the final platforms, reducing their commercialization perspectives. In this review, we critically analyze the characteristics of conventional microfluidic devices 2 for water monitoring, focusing on different water sources (drinking, waste, fresh and, seawaters), and their application in commercial products. Moreover, we introduce the revolutionary concept of using functional materials such as hydrogels, poly(ionic liquid) hydrogels and, ionogels as alternatives to conventional fluidic handling and sensing tools, for water monitoring in microfluidic devices.


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