Aqueous power source integrated on a microfluidic chip.
basic_science · Level V
Where this comes from
- Record sourced from PubMed, PMID 39918946.
- Also identified by DOI 10.1073/pnas.2423610122 and PMC identifier 11831149.
- Licence recorded as CC BY-NC-ND.
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Abstract
The growing demand for portable sensors for point-of-care (POC) and onsite health monitoring has led to significant interest in developing suitable power sources. In this study, we developed a microfluidic chip-integrated reverse electrodialysis (μRED) system for ecofriendly power generation with monolithic operation. Leveraging its fully ionic characteristic, μRED was successfully applied to an ionic diode, thereby demonstrating its capability for seamless integration. The feasibility of operating a bipolar electrode sensor without an external power supply was demonstrated, highlighting its broad applicability in electrochemical portable sensors. μRED has great potential for future applications, including electrochemical sensors for POC diagnostics and wearable devices.