Document Detail


How the capillary burst microvalve works.
MedLine Citation:
PMID:  17141795     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
The capillary burst microvalve offers an attractive means to regulate microliquid flow owing to its simple structure and operation process. However, there existed no rigorous theoretical work to elucidate how the valve works and consequently to predict the valve-bursting condition. Therefore, here we report the theoretical investigation of how the capillary burst valve can stop the advancing liquid meniscus and when it bursts. We confirm our theory with experiments using a centrifugal microfluidic valve system fabricated by soft lithography.
Authors:
Hansang Cho; Ho-Young Kim; Ji Yoon Kang; Tae Song Kim
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't     Date:  2006-11-03
Journal Detail:
Title:  Journal of colloid and interface science     Volume:  306     ISSN:  0021-9797     ISO Abbreviation:  J Colloid Interface Sci     Publication Date:  2007 Feb 
Date Detail:
Created Date:  2006-12-26     Completed Date:  2007-02-13     Revised Date:  2009-11-11    
Medline Journal Info:
Nlm Unique ID:  0043125     Medline TA:  J Colloid Interface Sci     Country:  United States    
Other Details:
Languages:  eng     Pagination:  379-85     Citation Subset:  IM    
Affiliation:
Berkeley Sensor and Actuator Center, Department of Bioengineering, University of California, Berkeley, CA 94720, USA.
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MeSH Terms
Descriptor/Qualifier:
Microfluidics*
Microwaves*
Models, Theoretical*

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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