Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/95401
Title: A portable chemotaxis platform for short and long term analysis
Authors: Poh, Yuk Kee C.
O'Cearbhaill, Eoin D.
Karp, Jeffrey M.
Xu, Chenjie
Roes, Isaac
Matthiesen, Mads Emil
Mu, Luye
Yang, Seung Yun
Miranda-Nieves, David
Irimia, Daniel
Issue Date: 2012
Source: Xu, C., Poh, Y. K. C., Roes, I., O'Cearbhaill, E. D., Matthiesen, M. E., Mu, L., et al. (2012).A portable chemotaxis platform for short and long term analysis. PLoS ONE, 7(9).
Series/Report no.: PLoS One
Abstract: Flow-based microfluidic systems have been widely utilized for cell migration studies given their ability to generate versatile and precisely defined chemical gradients and to permit direct visualization of migrating cells. Nonetheless, the general need for bulky peripherals such as mechanical pumps and tubing and the complicated setup procedures significantly limit the widespread use of these microfluidic systems for cell migration studies. Here we present a simple method to power microfluidic devices for chemotaxis assays using the commercially available ALZET® osmotic pumps. Specifically, we developed a standalone chemotaxis platform that has the same footprint as a multiwell plate and can generate well-defined, stable chemical gradients continuously for up to 7 days. Using this platform, we validated the short-term (24 hours) and long-term (72 hours) concentration dependent PDGF-BB chemotaxis response of human bone marrow derived mesenchymal stem cells.
URI: https://hdl.handle.net/10356/95401
http://hdl.handle.net/10220/9196
ISSN: 1932-6203
DOI: 10.1371/journal.pone.0044995
Schools: School of Chemical and Biomedical Engineering 
Rights: © 2012 The Authors.
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:SCBE Journal Articles

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