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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Mohammed, M.I. Desmulliez, M.P.Y. |
| Copyright Year | 1992 |
| Abstract | Capillary action arising from surface tension-based forces has been demonstrated to be an effective means of passively actuating various fluids through simple and sophisticated microfluidic channel networks. Systems based on this technique are advantageous compared with standard pumping strategies, as they have zero power requirements, are readily integrated into the overall fluidic chip design, and can be fabricated rapidly in a single manufacturing step. This paper comprehensively investigates time lapsed average velocity profiles of various capillary action microfluidic systems, including channels and pumping structures, and compares experimental data against prominent, competing, and flow-based theoretical models. We demonstrate that the average meniscus flow velocity of CO2 laser ablated capillary systems can be adequately predicted and characterize smooth fluidic velocity profiles in simple microchannels and complex interlinking channel pump/filling structures. Such systems offer a useful, rapid, and low cost alternative to traditional fluidic actuation and flow control systems such as those found in on-chip based biological and chemical analysis. |
| Sponsorship | IEEE Electron Devices Society American Society of Mechanical Engineering (ASME) |
| Starting Page | 1408 |
| Ending Page | 1416 |
| Page Count | 9 |
| File Size | 2879885 |
| File Format | |
| ISSN | 10577157 |
| Volume Number | 23 |
| Issue Number | 6 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2014-01-01 |
| Publisher Place | U.S.A. |
| Access Restriction | One Nation One Subscription (ONOS) |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Microchannel Substrates Manufacturing Laser ablation Liquids Resistance System-on-chip autonomous fluidic system. Microfluidics capillary action laser direct write rapid prototyping micropump autonomous fluidic system |
| Content Type | Text |
| Resource Type | Article |
| Subject | Mechanical Engineering Electrical and Electronic Engineering |
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