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Related Experiment Video

Updated: May 24, 2025

Fabrication of Three-dimensional Paper-based Microfluidic Devices for Immunoassays
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A 3-D Printed Microfluidic Device Enabling Efficient Bioparticle Conjugation in Biological Assays.

Muhammad Nabeel Tahir, Brandon K Ashley, Umer Hassan

    Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual International Conference
    |March 5, 2025
    PubMed
    Summary

    This study introduces a 3D printed microfluidic device for rapid particle-biomolecule conjugation, reducing process time from hours to minutes. This innovation accelerates disease diagnostics and biosensing applications.

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    Area of Science:

    • Biomedical Engineering
    • Nanotechnology
    • Analytical Chemistry

    Background:

    • Particle-biomolecule conjugation is vital for disease diagnostics, biosensing, and cell sorting.
    • Current conjugation methods are time-consuming and labor-intensive, hindering rapid analysis.
    • Microfluidic devices offer precise control and efficient mixing, presenting a potential solution.

    Purpose of the Study:

    • To develop and evaluate a 3D printed microfluidic device for efficient particle-biomolecule conjugation.
    • To significantly reduce the time required for conjugation compared to conventional methods.

    Main Methods:

    • A planar 3D printed micromixer with multiple serpentine channels was designed and fabricated.
    • Numerical simulations were performed to evaluate the device's fluid mixing performance.
    • Experimental validation involved running fluids at various flow rates and assessing particle conjugation efficiency.

    Main Results:

    • The microfluidic device achieved a high fluidic mixing index of approximately 0.96.
    • Particle conjugation efficiency comparable to traditional methods was achieved in significantly reduced time (3-5 minutes).

    Conclusions:

    • 3D printed microfluidic devices offer a rapid and efficient platform for particle-biomolecule conjugation.
    • This technology has the potential to accelerate applications in diagnostics, biosensing, and therapeutic development.