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Updated: Apr 23, 2026

A Microfluidic Device for Quantifying Bacterial Chemotaxis in Stable Concentration Gradients
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Parallel microfluidic chemosensitivity testing on individual slice cultures.

Tim C Chang1, Andrei M Mikheev, Wilson Huynh

  • 1Department of Bioengineering, University of Washington, Seattle, WA, USA. afolch@u.washington.edu.

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|October 3, 2014
PubMed
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This study introduces a novel microfluidic device for testing chemotherapy drugs on live tissue slices. This personalized medicine approach can rapidly guide cancer treatment decisions, improving patient outcomes.

Area of Science:

  • Oncology
  • Biotechnology
  • Pharmacology

Background:

  • Chemotherapy personalization is crucial for reducing toxicity and improving patient survival.
  • Current drug testing models using cell cultures or animal models fail to accurately predict patient drug responses.
  • There is a need for rapid, patient-specific drug screening platforms.

Purpose of the Study:

  • To develop and validate a microfluidic device for personalized drug screening using live tissue slices.
  • To assess the feasibility of using this platform for guiding therapeutic decision-making in cancer patients.

Main Methods:

  • A microfluidic device was designed to integrate live tissue slice cultures.
  • The platform allows for simultaneous or sequential exposure of slices to multiple drug doses.

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  • Drug response was quantified by imaging markers for apoptosis and cell death in mouse brain slices.

    • Main Results:

    • The device successfully demonstrated the response of live mouse brain slices to various drug doses.
    • Parallel drug testing was achieved, enabling efficient screening.
    • The platform showed potential for rapid assessment of drug efficacy.

    Conclusions:

    • The developed microfluidic platform shows promise for personalized chemotherapy by enabling rapid drug response testing on patient-derived tissue.
    • This technology could significantly improve treatment selection, reduce toxicity, and enhance patient quality of life.
    • Further development could lead to a clinically applicable tool for guiding cancer therapy.