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Related Experiment Video

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Multiplex digital microfluidics using serial controls and its applications in glucose sensing.

Xinyu Liu1, Jinying Cai1, Wenjia Wang1

  • 1Department of Biomedical Engineering, Medical School, Shenzhen University, Shenzhen 518060, China; Guangdong Key Laboratory for Biomedical Measurements and Ultrasound Imaging, Department of Biomedical Engineering, Medical School, Shenzhen University, Shenzhen 518060, China.

SLAS Technology
|August 31, 2023
PubMed
Summary
This summary is machine-generated.

This study presents a new platform for digital microfluidics (DMF) using printed circuit boards (PCB) to control multiple DMF plates simultaneously. This innovation enhances throughput for cost-effective, point-of-care diagnostics in resource-limited settings.

Keywords:
Digital microfluidicsHigh throughput assayPoint-of-care testingPrinted circuit board

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Area of Science:

  • Biomedical Engineering
  • Microfluidics
  • Diagnostics

Background:

  • Digital microfluidics (DMF) is valuable for in vitro diagnostics (IVD).
  • Printed circuit board (PCB)-based DMF offers economic advantages and instrument compatibility over microfabrication-based DMF.
  • Current PCB-based DMF systems face limitations in simultaneous droplet control, hindering throughput and point-of-care applications.

Purpose of the Study:

  • To develop a platform for simultaneous control of multiple PCB-based DMF plates.
  • To demonstrate the platform's capability for high-throughput diagnostics.

Main Methods:

  • Development of integrated software and hardware for multi-plate control.
  • Rigorous reliability testing of the developed platform.
  • Application of colorimetric glucose analysis on the PCB-based DMF system.

Main Results:

  • Successful construction and validation of a platform for simultaneous multi-plate PCB-based DMF control.
  • Demonstrated feasibility of high-throughput colorimetric glucose analysis.
  • The platform enables simultaneous operations, significantly increasing throughput.

Conclusions:

  • The developed multi-plate PCB-based DMF platform overcomes throughput limitations of current systems.
  • This technology holds significant potential for low-cost, high-throughput point-of-care testing, especially in resource-limited environments.
  • The system is compatible with existing IVD instruments, facilitating adoption.