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Electroosmotic flow patterning using microfluidic delay loops

delete2006-01-01
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PRE
AI
F
F. Schönfeld *
S
Steffen Hardt
M
Markus Böhm
R
René Johannes Püschl
M
M. Walder
DOI:10.1039/b609423fdelete
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摘要

摘要

En 中文
A theoretical and experimental investigation of alternating electroosmotic flow patterns by means of specially designed delay loops is presented. Using elementary methods of compact network modeling and detailed FEM simulations the flow behavior and, in particular, the rearrangement of sample plugs is modeled. The proposed designs rely on flow splitting in combination with electroosmotic delay loops leading to a runtime difference or phase shift between two sub-streams. Due to this phase shift, a new fluid interface is generated at the merging point. The approach is experimentally validated by injection of a Rhodamine 6G solution into an aqueous sodium tetraborate buffer.
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期刊

L
Lab on a Chip
IF:
5.4
论文数:
9.0K
被引数:
3.3W

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