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On-chip liquid stor...
On-chip liquid storage and dispensing for lab-on-a-chip applications
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- Bodén, Roger (författare)
- Uppsala universitet,Mikrostrukturteknik
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- Lehto, Marcus (författare)
- Uppsala universitet,Mikrostrukturteknik
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- Margell, Joakim (författare)
- Uppsala universitet,Mikrostrukturteknik
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- Hjort, Klas (författare)
- Uppsala universitet,Mikrostrukturteknik
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- Schweitz, Jan-Åke (författare)
- Uppsala universitet,Mikrostrukturteknik
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(creator_code:org_t)
- 2008-06-26
- 2008
- Engelska.
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Ingår i: Journal of Micromechanics and Microengineering. - : IOP Publishing. - 0960-1317 .- 1361-6439. ; 18:7, s. 075036-
- Relaterad länk:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- This work presents novel components for on-chip storage and dispensing inside a lab-on-a-chip (LOC) for applications in immunoassay point-of-care testing (POCT), where incubation and washing steps are essential. It involves easy-to-use on-chip solutions for the sequential thermo-hydraulic actuation of liquids. The novel concept of combining the use of a rubber plug, both as a non-return valve cap and as a liquid injection interface of a sealed reservoir, allows simple filling of a sterilized cavity, as well as the storage and dispensing of reagent and washing buffer liquids. Segmenting the flow with air spacers enables effective rinsing and the use of small volumes of on-chip stored liquids. The chip uses low-resistance resistors as heaters in the paraffin actuator, providing the low-voltage actuation that is preferred for handheld battery driven instruments.
Nyckelord
- TECHNOLOGY
- TEKNIKVETENSKAP
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- ref (ämneskategori)
- art (ämneskategori)
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