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Live cells-based cytotoxic sensor chip fabricated in a microfluidic system

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1 Author(s)
Taniguchi, A. ; Nat. Inst. for Mater. Sci., Tsukuba

We report here a live cells-based sensorchip fabricated in microfluidic channels in which several laminar flows were achieved. In addition, we established a cytotoxic sensor cell line, which was transfected with a green fluorescence protein (GFP) plasmid derived from the heat shock protein 70B' (HSP70B') promoter, which is induced by cytotoxic reagents. The fluorescence in the sensor cells increased in a CdCl2 dose-dependent manner in the microfluidic channels. In this system, cytotoxic reagents can be quantitatively detected in a quick, sensitive and high-throughput manner. The combination of sensor cells and microfluidic systems will provide an important basis for the development of micro-total analysis systems (mu-TAS) technology, and can be applied to toxicology, environmental assessment and drug screening.

Published in:

Microprocesses and Nanotechnology, 2007 Digest of papers

Date of Conference:

5-8 Nov. 2007

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