Manipulating liquid plugs in microchannel with controllable air vents

An air venting element on microchannel, which can be controlled externally and automatically, was demonstrated for manipulating liquid plugs in microfluidic systems. The element’s open and closed statuses correspond to the positioning and movement of a liquid plug in the microchannel. Positioning of...

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Main Authors: Liu, Hao-Bing, Ting, Eng Kiat, Gong, Thomas Haiqing
Other Authors: School of Mechanical and Aerospace Engineering
Format: Journal Article
Language:English
Published: 2013
Subjects:
Online Access:https://hdl.handle.net/10356/94997
http://hdl.handle.net/10220/9341
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author Liu, Hao-Bing
Ting, Eng Kiat
Gong, Thomas Haiqing
author2 School of Mechanical and Aerospace Engineering
author_facet School of Mechanical and Aerospace Engineering
Liu, Hao-Bing
Ting, Eng Kiat
Gong, Thomas Haiqing
author_sort Liu, Hao-Bing
collection NTU
description An air venting element on microchannel, which can be controlled externally and automatically, was demonstrated for manipulating liquid plugs in microfluidic systems. The element’s open and closed statuses correspond to the positioning and movement of a liquid plug in the microchannel. Positioning of multiple liquid plugs at an air venting element enabled the merging and mixing of the plugs. Besides these basic functions, other modes of liquid plug manipulations including plug partitioning, multiple plug mixing, and spacing adjustment between liquid plugs, were realized using combination of multiple elements. The structure, operation, and some functions of the element were demonstrated with a microfluidic chip application. The performances of the element including its failure modes, threshold flow rate, and structural optimization were also discussed.
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spelling ntu-10356/949972023-03-04T17:18:10Z Manipulating liquid plugs in microchannel with controllable air vents Liu, Hao-Bing Ting, Eng Kiat Gong, Thomas Haiqing School of Mechanical and Aerospace Engineering DRNTU::Engineering::Mechanical engineering An air venting element on microchannel, which can be controlled externally and automatically, was demonstrated for manipulating liquid plugs in microfluidic systems. The element’s open and closed statuses correspond to the positioning and movement of a liquid plug in the microchannel. Positioning of multiple liquid plugs at an air venting element enabled the merging and mixing of the plugs. Besides these basic functions, other modes of liquid plug manipulations including plug partitioning, multiple plug mixing, and spacing adjustment between liquid plugs, were realized using combination of multiple elements. The structure, operation, and some functions of the element were demonstrated with a microfluidic chip application. The performances of the element including its failure modes, threshold flow rate, and structural optimization were also discussed. Published version 2013-03-05T04:31:30Z 2019-12-06T19:06:09Z 2013-03-05T04:31:30Z 2019-12-06T19:06:09Z 2012 2012 Journal Article Liu, H. B., Ting, E. K., & Gong, H. T. (2012). Manipulating liquid plugs in microchannel with controllable air vents. Biomicrofluidics, 6(1). 1932-1058 https://hdl.handle.net/10356/94997 http://hdl.handle.net/10220/9341 10.1063/1.3686878 22662082 en Biomicrofluidics © 2012 American Institute of Physics. This paper was published in Biomicrofluidics and is made available as an electronic reprint (preprint) with permission of American Institute of Physics. The paper can be found at the following official DOI: [http://dx.doi.org/10.1063/1.3686878]. One print or electronic copy may be made for personal use only. Systematic or multiple reproduction, distribution to multiple locations via electronic or other means, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper is prohibited and is subject to penalties under law. application/pdf
spellingShingle DRNTU::Engineering::Mechanical engineering
Liu, Hao-Bing
Ting, Eng Kiat
Gong, Thomas Haiqing
Manipulating liquid plugs in microchannel with controllable air vents
title Manipulating liquid plugs in microchannel with controllable air vents
title_full Manipulating liquid plugs in microchannel with controllable air vents
title_fullStr Manipulating liquid plugs in microchannel with controllable air vents
title_full_unstemmed Manipulating liquid plugs in microchannel with controllable air vents
title_short Manipulating liquid plugs in microchannel with controllable air vents
title_sort manipulating liquid plugs in microchannel with controllable air vents
topic DRNTU::Engineering::Mechanical engineering
url https://hdl.handle.net/10356/94997
http://hdl.handle.net/10220/9341
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