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Screen-Printed Technologies Combined with Flow Analysis Techniques: Moving from Benchtop to Everywhere.
Nathália Florência Barros Azeredo1,2, Mauro S Ferreira Santos1, Juliane R Sempionatto2
1Institute of Chemistry, University of São Paulo, São Paulo 05508-070, Brazil.
Analytical Chemistry
|December 1, 2021
Summary
Screen-printed electrodes (SPEs) combined with flow systems offer portable, efficient electroanalysis. This synergy enhances throughput, reduces waste, and enables automation for diverse applications.
Area of Science:
- Electrochemistry
- Analytical Chemistry
- Sensor Technology
Background:
- Screen-printed electrodes (SPEs) are increasingly utilized in portable electroanalysis.
- Flow systems (FIA, SIA, BIA) offer advantages like reduced reagent consumption and waste.
- Combining SPEs with flow systems enhances analytical capabilities.
Purpose of the Study:
- To provide an updated overview of SPEs coupled with flow systems.
- To analyze the scope of samples and target analytes for this combined technique.
- To evaluate the analytical throughput, including detection limits and linear ranges.
Main Methods:
- Review of recent literature on SPEs integrated with flow injection analysis (FIA), sequential injection analysis (SIA), and batch injection analysis (BIA).
- Analysis of reported data concerning sample types, analytes, and performance metrics.
- Assessment of the synergistic benefits of combining SPEs and flow systems.
Main Results:
- Demonstration of a wide range of applications for SPE-flow system combinations.
- Quantification of improvements in measurement throughput and reduction in reagent usage.
- Characterization of analytical performance, including limits of detection and linear ranges.
Conclusions:
- The combination of SPEs and flow systems provides a powerful platform for modern, portable electroanalysis.
- Synergistic integration allows for mass production, automation, and improved analytical efficiency.
- This approach is attractive for users with basic knowledge due to its enhanced throughput and minimal waste generation.
