Cooperative Suction by Vertical Capillary Array Pump for Controlling Flow Profiles of Microfluidic Sensor Chips

Clicks: 285
ID: 116965
2012
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Abstract
A passive pump consisting of integrated vertical capillaries has been developed for a microfluidic chip as an useful component with an excellent flow volume and flow rate. A fluidic chip built into a passive pump was used by connecting the bottoms of all the capillaries to a top surface consisting of a thin layer channel in the microfluidic chip where the thin layer channel depth was smaller than the capillary radius. As a result the vertical capillaries drew fluid cooperatively rather than independently, thus exerting the maximum suction efficiency at every instance. This meant that a flow rate was realized that exhibited little variation and without any external power or operation. A microfluidic chip built into this passive pump had the ability to achieve a quasi-steady rather than a rapidly decreasing flow rate, which is a universal flow characteristic in an ordinary capillary.
Reference Key
horiuchi2012sensorscooperative Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Tsutomu Horiuchi;Katsuyoshi Hayashi;Michiko Seyama;Suzuyo Inoue;Emi Tamechika;Horiuchi, Tsutomu;Hayashi, Katsuyoshi;Seyama, Michiko;Inoue, Suzuyo;Tamechika, Emi;
Journal sensors
Year 2012
DOI
10.3390/s121014053
URL
https://www.mdpi.com/1424-8220/12/10/14053
Keywords
microfluidics capillary flow rate passive pump National Center for Biotechnology Information NCBI NLM MEDLINE pubmed abstract nih national institutes of health national library of medicine equipment design computer simulation biosensing techniques / instrumentation* microtechnology suction pmid:23202035 pmc3545606 doi:10.3390/s121014053 tsutomu horiuchi katsuyoshi hayashi emi tamechika biosensing techniques / methods capillary action microarray analysis / instrumentation microfluidic analytical techniques / instrumentation* microfluidic analytical techniques / methods

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