Related Experiment Video
Updated: May 1, 2026

11:00
Microfluidic Chip for Axonal Injury Models Construction and Enabling Multi-Omics Analysis
Published on: October 14, 2025
1.5K
Using microfluidic chip to form brain-derived neurotrophic factor concentration gradient for studying neuron axon
Hui Huang1, Lili Jiang1, Shu Li2
1Department of Clinical Laboratory Science, College of Medical Laboratory, Southwest Hospital, Third Military Medical University, 30 Gaotanyan Street, Shapingba District, Chongqing 400038, China.
Biomicrofluidics
|March 25, 2014
Summary
This study introduces a microfluidic device for creating stable molecular gradients, essential for studying cell behavior like neuron axon guidance. The device successfully guided neuron axons towards higher Brain-derived neurotrophic factor concentrations.
Area of Science:
- Neuroscience
- Cell Biology
- Biomedical Engineering
Background:
- Molecular gradients are crucial for biological processes, including cell migration and development.
- Existing gradient generators have limitations in stability and real-time monitoring.
- Microfluidic devices offer a potential solution for precise gradient control.
Purpose of the Study:
- To develop and validate a microfluidic device for generating stable molecular gradients.
- To investigate the effect of Brain-derived neurotrophic factor (BDNF) gradients on neuron axon guidance.
Main Methods:
- Development of a novel microfluidic device for precise gradient generation.
- Utilizing Brain-derived neurotrophic factor (BDNF) as the signaling molecule.
- Observing and quantifying neuron axon response to controlled BDNF gradients.
Main Results:
- The microfluidic device successfully generated stable, controllable BDNF gradients.
- Neuron axons exhibited directed growth towards higher concentrations of BDNF.
- Demonstrated the capability for real-time monitoring of cellular responses.
Conclusions:
- Microfluidic devices are effective tools for creating controlled molecular gradients.
- Precise control over gradients enhances the study of neuron axon guidance.
- This technology offers a powerful platform for cell biology research and drug discovery.

