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Expandable microspheres for the handling of liquids
KTH, Superseded Departments, Biotechnology.
KTH, Superseded Departments, Signals, Sensors and Systems.ORCID iD: 0000-0001-9552-4234
2002 (English)In: Lab on a Chip, ISSN 1473-0197, E-ISSN 1473-0189, Vol. 2, no 2, 117-120 p.Article in journal (Refereed) Published
Abstract [en]

Two novel concepts for controlled handling of liquids in microfluidic systems are presented: a one-shot micropump and a normally open one-shot valve based on thermo-expanding Expancel microspheres. Expancel microspheres are small spherical plastic particles that, when heated, increase their volume considerably. We show that liquid volumes in the nanoliter range can be actuated against a counter pressure of at least 100 kPa and fluid flow can be inhibited in a microchannel against pressures of at least 100 kPa.

Place, publisher, year, edition, pages
2002. Vol. 2, no 2, 117-120 p.
Keyword [en]
systems, pumps
URN: urn:nbn:se:kth:diva-21900DOI: 10.1039/b111040nISI: 000178030700014OAI: diva2:340598
QC 20100525Available from: 2010-08-10 Created: 2010-08-10Bibliographically approved

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Andersson, HeleneStemme, Göran
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