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A concentration gradient generator on a paper-based microfluidic chip coupled with cell culture microarray for
Bo Hong1, Peng Xue2,3, Yafeng Wu2
1Department of Laboratory Medicine, Xiangyang Central Hospital, 136 Jingzhou Street, Xiangyang, Hubei, 441021, China.
Biomedical Microdevices
|February 12, 2016
Summary
A novel paper-based microfluidic device creates drug concentration gradients for high-throughput cell response analysis. This platform enables efficient drug screening by observing cell viability under varying drug levels.
Area of Science:
- Biomedical Engineering
- Microfluidics
- Cell Biology
Background:
- 3-D cell culture platforms are crucial for studying cellular responses.
- High-throughput drug screening requires precise control over drug concentrations.
- Existing methods may lack the spatial control needed for detailed cellular analysis.
Purpose of the Study:
- To design and construct a paper-based microfluidic device for generating drug concentration gradients.
- To investigate cellular responses to varying drug concentrations using high-throughput analysis.
- To evaluate the efficacy of a novel drug screening platform.
Main Methods:
- A paper-based microfluidic device was engineered to create a spatial drug concentration gradient.
- Doxorubicin (DOX) was used as a model drug to establish the gradient.
- HeLa cells in collagen hydrogel were incubated within the device to assess viability.
- Drug diffusion through paper fibers was utilized to control drug release and concentration.
Main Results:
- The device successfully generated a concentration gradient of doxorubicin.
- Spatial drug diffusion through paper fibers influenced HeLa cell viability.
- The platform demonstrated effective high-throughput analysis of cell response to drugs.
Conclusions:
- The paper-based microfluidic device is a viable tool for generating drug gradients.
- This platform offers a promising approach for drug discovery and diagnostics.
- Simultaneous and parallel testing of drugs under various gradient concentrations is feasible.
