Please use this identifier to cite or link to this item: https://doi.org/10.1116/1.3049529
Title: Development of microfluidic device and system for breast cancer cell fluorescence detection
Authors: He, J.H.
Reboud, J.
Ji, H.M.
Lee, C. 
Long, Y.
Issue Date: 2009
Citation: He, J.H., Reboud, J., Ji, H.M., Lee, C., Long, Y. (2009). Development of microfluidic device and system for breast cancer cell fluorescence detection. Journal of Vacuum Science and Technology B: Microelectronics and Nanometer Structures 27 (3) : 1295-1298. ScholarBank@NUS Repository. https://doi.org/10.1116/1.3049529
Abstract: A biomicrofluidic device and a compact cellular testing system were developed to be used in cancer diagnostics. The device was fabricated by lithography-based microfabrication techniques, followed by two-step etching of deep reactive ion etching, and channels were formed by anodic bonding of Si and Pyrex. The device is based on the capture of cells inside a new meandering weir-type filter design, followed by detection and characterization using specific fluorescent labeling. Breast cancer cells MCF-7 and control cells MCF-10A were flowed through the microfluidic channels, and captured by meandering weir-type filters. 17Β-Estradiaol (E2) -BSA (bovine serum albumin)-FITC (fluorescein isothiocyanate) macromolecular complex was found to selectively label MCF-7, potentially serving as a cancer cell detection marker. MCF-7 cells were detected with specific and strong FITC signals after only 4 min of contact with the stain. The signals were about seven times stronger than that of a labeling performed on conventional glass slides. These results strongly suggest that this novel design has a potential application to detect cancer cells or other diseased cells without compromising the advantage of high sensitivity of the microfluidic approach. © 2009 American Vacuum Society.
Source Title: Journal of Vacuum Science and Technology B: Microelectronics and Nanometer Structures
URI: http://scholarbank.nus.edu.sg/handle/10635/83627
ISSN: 10711023
DOI: 10.1116/1.3049529
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