Document Detail

A low power, on demand electrothermal valve for wireless drug delivery applications.
MedLine Citation:
PMID:  20024057     Owner:  NLM     Status:  MEDLINE    
We present a low power, on demand Parylene MEMS electrothermal valve. A novel Omega-shaped thermal resistive element requires low power (approximately mW) and enables rapid valve opening (approximately ms). Using both finite element analysis and valve opening experiments, a robust resistive element design for improved valve opening performance in water was obtained. In addition, a thermistor, as an inrush current limiter, was added into the valve circuit to provide variable current ramping. Wireless activation of the valve using RF inductive power transfer was demonstrated.
Po-Ying Li; Tina K Givrad; Roya Sheybani; Daniel P Holschneider; Jean-Michel I Maarek; Ellis Meng
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Publication Detail:
Type:  Journal Article; Research Support, N.I.H., Extramural     Date:  2009-10-19
Journal Detail:
Title:  Lab on a chip     Volume:  10     ISSN:  1473-0197     ISO Abbreviation:  Lab Chip     Publication Date:  2010 Jan 
Date Detail:
Created Date:  2009-12-21     Completed Date:  2010-05-07     Revised Date:  2014-08-27    
Medline Journal Info:
Nlm Unique ID:  101128948     Medline TA:  Lab Chip     Country:  England    
Other Details:
Languages:  eng     Pagination:  101-10     Citation Subset:  IM    
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MeSH Terms
Drug Delivery Systems / instrumentation*
Electric Power Supplies*
Equipment Design
Lab-On-A-Chip Devices*
Membranes, Artificial
Microfluidics / instrumentation*
Models, Theoretical
Polymers / chemistry
Xylenes / chemistry
Grant Support
Reg. No./Substance:
0/Membranes, Artificial; 0/Polymers; 0/Xylenes; 25722-33-2/parylene

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

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