Mobile phone based electrochemiluminescence detection in paper-based microfluidic sensors
Jacqui L Delaney1, Conor F Hogan
1Department of Chemistry, La Trobe Institute for Molecular Science, La Trobe University, Melbourne, VIC, 3086, Australia.
Methods in Molecular Biology (Clifton, N.J.)
|January 29, 2015
Summary
This study introduces low-cost, disposable paper sensors for medical diagnostics. A mobile phone is used for analysis, significantly reducing costs and improving accessibility.
Area of Science:
- Biosensor technology
- Analytical chemistry
- Microfluidics
Background:
- Paper-based sensors offer a low-cost alternative for medical diagnostics.
- Existing sensor interrogation methods often rely on expensive electronic instruments.
- The integration of biosensors with portable electronics is crucial for widespread adoption.
Purpose of the Study:
- To design and construct novel, low-cost disposable electrochemiluminescent (ECL) sensors.
- To develop a mobile phone-based method for interrogating these paper sensors.
- To reduce the overall cost of biosensing analysis.
Main Methods:
- Utilizing screen-printed carbon electrodes and paper-based microfluidics for sensor fabrication.
- Employing the audio output of a mobile phone for electrochemical control.
- Using the mobile phone camera to detect light emitted during the ECL reaction.
Main Results:
- Successful development of disposable paper-based ECL sensors.
- Demonstration of mobile phone-based interrogation for electrochemical control and light detection.
- Significant reduction in the cost of biosensing analysis.
Conclusions:
- Mobile phone integration with paper microfluidic sensors dramatically lowers sensing costs.
- This approach has the potential to improve healthcare outcomes globally.
- Leveraging ubiquitous mobile phone technology enhances the accessibility of advanced diagnostics.
