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Dry reagent storage in dissolvable films and liquid triggered release for programmed multi-step lab-on-chip diagnostics
KTH, School of Electrical Engineering (EES), Micro and Nanosystems.
KTH, School of Electrical Engineering (EES), Micro and Nanosystems.ORCID iD: 0000-0001-9552-4234
KTH, School of Electrical Engineering (EES), Micro and Nanosystems.
2015 (English)In: 2015 28th IEEE International Conference on Micro Electro Mechanical Systems (MEMS), IEEE , 2015, no February, 451-454 p.Conference paper, Published paper (Refereed)
Abstract [en]

Multi-step lab-on-chip assays typically require multiple manual pipetting steps of different reagents and a sophisticated design to run the assay, which is generally unfavorable for point-of-care applications. This work presents the use of dissolvable polyvinylalcohol films for (1) reagent storage and release together with (2) timed valving in capillary driven microfluidics. This allows four different volumes to be split up from a single liquid which is applied to the inlet of the chip. PVA captured reagents are released to each volume forming four different solutions which are separately released in a timed sequence to a common target zone. The presented chip thereby enables a single liquid-triggered multi-reagent sequence with the potential to be used for advanced point of care diagnostics.

Place, publisher, year, edition, pages
IEEE , 2015. no February, 451-454 p.
Series
International Conference on Micro Electro Mechanical Systems, ISSN 1084-6999
Keyword [en]
Assays, Liquids, Mechanics, Lab on chip, Multi-step, Multiple manuals, Point of care, Point of care diagnostic, Triggered release
National Category
Other Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:kth:diva-170504DOI: 10.1109/MEMSYS.2015.7050987ISI: 000370382900119Scopus ID: 2-s2.0-84931022919OAI: oai:DiVA.org:kth-170504DiVA: diva2:838896
Conference
2015 28th IEEE International Conference on Micro Electro Mechanical Systems, MEMS 2015, Estoril, Portugal, 18 January 2015 through 22 January 2015
Note

QC 20150701

Available from: 2015-07-01 Created: 2015-07-01 Last updated: 2016-03-29Bibliographically approved

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Stemme, Göran

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Citation style
  • apa
  • harvard1
  • ieee
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Language
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  • en-US
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  • Other locale
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Output format
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