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A Microfluidic Chip for the Versatile Chemical Analysis of Single Cells
Published on: October 15, 2013
Microfluidic serial dilution cell-based assay for analyzing drug dose response over a wide concentration range
Shinji Sugiura1, Koji Hattori, Toshiyuki Kanamori
1Research Center for Stem Cell Engineering, National Institute of Advanced Industrial Science and Technology (AIST), Central fifth, 1-1-1 Higashi, Tsukuba, Ibaraki 305-8565, Japan. shinji.sugiura@aist.go.jp
Analytical Chemistry
|September 9, 2010
Summary
This study introduces a microfluidic chip for drug dose response analysis, enabling efficient high-throughput screening. The novel perfusion culture microchamber array chip accurately determines drug efficacy across a wide concentration range, aiding drug discovery.
Area of Science:
- Biotechnology
- Microfluidics
- Drug Discovery
Background:
- Accurate drug dose-response analysis is crucial for drug discovery.
- Conventional assays can be time-consuming and require significant sample volumes.
- Microfluidic platforms offer potential for miniaturized and efficient biological assays.
Purpose of the Study:
- To develop and validate a microfluidic perfusion culture microchamber array chip.
- To enable drug dose-response analysis over a wide concentration range (6 orders of magnitude).
- To assess the chip's efficiency for high-throughput drug discovery applications.
Main Methods:
- A perfusion culture microchamber array chip with a serial dilution microfluidic network was designed.
- A pressure-driven interface utilizing pneumatic pressure for fluid delivery was implemented.
- The chip was tested using paclitaxel and HeLa cancer cells to determine the 50% growth inhibitory concentration.
Main Results:
- The microfluidic chip successfully analyzed drug dose response across six orders of magnitude.
- The 50% growth inhibitory concentration was accurately estimated for paclitaxel in HeLa cells.
- Results from the microfluidic chip were consistent with conventional microplate assays.
Conclusions:
- The microfluidic perfusion culture microchamber array chip is an efficient platform for drug discovery.
- Its simple interface and microfluidic network facilitate high-throughput dose-response assays.
- This technology has significant potential to accelerate the drug discovery process.
