Document Detail


A micro surface tension pump (MISPU) in a glass microchip.
MedLine Citation:
PMID:  20957289     Owner:  NLM     Status:  In-Data-Review    
Abstract/OtherAbstract:
A non-membrane micro surface tension pump (MISPU) was fabricated on a glass microchip by one-step glass etching. It needs no material other than glass and is driven by digital gas pressure. The MISPU can be seen working like a piston pump inside the glass microchip under a microscope. The design of the valves (MISVA) and pistons (MISTON) was based on the surface tension theory of the micro surface tension alveolus (MISTA). The digital gas pressure controls the moving gas-liquid interface to open or close the input and output MISVAs to refill or drive the MISTON for pumping a liquid. Without any moving parts, a MISPU is a kind of long-lasting micro pump for micro chips that does not lose its water pumping efficiency over a 20-day period. The volumetric pump output varied from 0 to 10 nl s(-1) when the pump cycle time decreased from 5 min to 15 s. The pump head pressure was 1 kPa.
Authors:
Xing Yue Larry Peng
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Publication Detail:
Type:  Journal Article     Date:  2010-10-19
Journal Detail:
Title:  Lab on a chip     Volume:  11     ISSN:  1473-0197     ISO Abbreviation:  Lab Chip     Publication Date:  2011 Jan 
Date Detail:
Created Date:  2010-12-14     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101128948     Medline TA:  Lab Chip     Country:  England    
Other Details:
Languages:  eng     Pagination:  132-8     Citation Subset:  IM    
Affiliation:
Department of Biology, Xiamen University, Xiamen, Fujian, China361005. xypeng@xmu.edu.cn.
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