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  Rapid switching of chemical signals in microfluidic devices

Bae, A., Beta, C., & Bodenschatz, E. (2009). Rapid switching of chemical signals in microfluidic devices. Lab on a Chip, 9, 3059-3065. doi:10.1039/b905521e.

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Item Permalink: https://hdl.handle.net/11858/00-001M-0000-0029-12E3-E Version Permalink: https://hdl.handle.net/21.11116/0000-000C-87F6-6
Genre: Journal Article

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 Creators:
Bae, Albert1, Author           
Beta, Carsten1, Author           
Bodenschatz, Eberhard1, Author                 
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1Laboratory for Fluid Dynamics, Pattern Formation and Biocomplexity, Max Planck Institute for Dynamics and Self-Organization, Max Planck Society, ou_2063287              

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 Abstract: We present an analysis of concentration switching times in microfluidic devices. The limits of rapid switching are analyzed based on the theory of dispersion by Taylor and Aris and compared to both experiments and numerical simulations. We focus on switching times obtained by photo-activation of caged compounds in a micro-flow (flow photolysis). The performance of flow photolysis is compared to other switching techniques. A flow chart is provided to facilitate the application of our theoretical analysis to microfluidic switching devices.

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Language(s): eng - English
 Dates: 2009-07-03
 Publication Status: Issued
 Pages: -
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 Table of Contents: -
 Rev. Type: Peer
 Identifiers: eDoc: 439830
DOI: 10.1039/b905521e
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Title: Lab on a Chip
Source Genre: Journal
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Pages: - Volume / Issue: 9 Sequence Number: - Start / End Page: 3059 - 3065 Identifier: -