This paper presents a new integrated microfluidic device capable of counting and continuously lysing cells by using hydrodynamic forces and optically-induced electric field. First, the cells were focused in the central stream using hydrodynamic sheath flows. Then the focused cells passed through the buried optical fibers such that the number of cells can be counted optically. For 13-μm lung cancer cells, a total of 97 cells were counted without any missed. The counting accuracy can be as high as 100%. After counting, cells were continuously disrupted using the optically-induced electric field. At an applied voltage of 20 Vpp with a frequency of 30 kHz, the lysis rate can be high as 100% when the length of illuminated light was 150 μm. The developed chip is therefore promising for intercellular constituent analysis and other cell-based studies.
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ASME 2009 Second International Conference on Micro/Nanoscale Heat and Mass Transfer
December 18–21, 2009
Shanghai, China
Conference Sponsors:
- Nanotechnology Institute
ISBN:
978-0-7918-4389-5
PROCEEDINGS PAPER
Continuous Cell Lysis Devices Using Optically-Induced Electric Field
Yen-Heng Lin,
Yen-Heng Lin
Chang Gung University, Taoyuan, Taiwan
Search for other works by this author on:
Gwo-Bin Lee
Gwo-Bin Lee
Cheng Kung University, Tainan, Taiwan
Search for other works by this author on:
Yen-Heng Lin
Chang Gung University, Taoyuan, Taiwan
Gwo-Bin Lee
Cheng Kung University, Tainan, Taiwan
Paper No:
MNHMT2009-18333, pp. 169-172; 4 pages
Published Online:
October 26, 2010
Citation
Lin, Y, & Lee, G. "Continuous Cell Lysis Devices Using Optically-Induced Electric Field." Proceedings of the ASME 2009 Second International Conference on Micro/Nanoscale Heat and Mass Transfer. ASME 2009 Second International Conference on Micro/Nanoscale Heat and Mass Transfer, Volume 1. Shanghai, China. December 18–21, 2009. pp. 169-172. ASME. https://doi.org/10.1115/MNHMT2009-18333
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