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Related Experiment Video

Updated: Oct 19, 2025

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A 3D-printed modular magnetic digital microfluidic architecture for on-demand bioanalysis.

Pojchanun Kanitthamniyom1, Aiwu Zhou2, Shilun Feng3

  • 1Singapore Centre for 3D Printing, School of Mechanical and Aerospace Engineering, Nanyang Technological University, Singapore, Singapore.

Microsystems & Nanoengineering
|September 27, 2021
PubMed
Summary

We developed a modular magnetic digital microfluidics (MDM) system using Lego-like components for customizable bioanalyses. This adaptable platform accelerates the development of point-of-care diagnostic tools.

Keywords:
BiosensorsMicrofluidics

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Area of Science:

  • Microfluidics
  • Biotechnology
  • Materials Science

Background:

  • Conventional monolithic magnetic digital microfluidics (MDM) devices lack flexibility for design modification.
  • Surface energy traps (SETs) are crucial for droplet manipulation in MDM systems.

Purpose of the Study:

  • To introduce a modular MDM architecture for on-demand customization of microfluidic platforms.
  • To enable rapid reconfiguration of MDM devices for diverse bioanalytical applications.

Main Methods:

  • Developed modular MDM components with integrated SETs and interlocking features (antistuds and studs).
  • Assembled modular platforms on a base board for adaptable fluidic operations.
  • Demonstrated modular MDM versatility across various bioassays.

Main Results:

  • Successfully configured modular MDM platforms for biomarker sensing, pathogen identification, antibiotic resistance determination, and biochemical quantification.
  • Showcased the system's ability to perform immunoassays, phenotypical assays, and enzymatic assays.
  • Validated the rapid configuration and reconfiguration capabilities for diverse bioanalytical needs.

Conclusions:

  • The modular MDM architecture offers high configurability for customized bioanalyses and reduces assay development time and cost.
  • This innovation holds significant potential for advancing point-of-care diagnostics through adaptable testing platforms.
  • The modular design provides a new pathway for microfluidic assay development and customization.