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Microbead-based rolling circle amplification in a microchip for sensitive DNA detection
Vise andre og tillknytning
2010 (engelsk)Inngår i: Lab on a Chip, ISSN 1473-0197, E-ISSN 1473-0189, Vol. 10, nr 10, s. 1262-1266Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

The sensitive detection and quantification of DNA targets in the food industry and in environmental and clinical settings are issues of utmost importance in ensuring contamination-free food, monitoring the environment, and battling disease. Selective probes coupled with powerful amplification techniques are therefore of major interest. In this study, we set out to create an integrated microchemical chip that benefits from microfluidic chip technology in terms of sensitivity and a strong detection methodology provided jointly by padlock probes and rolling circle amplification (RCA). Here, we have integrated padlock probes and RCA into a microchip. The chip uses solid phase capture in a microchannel to enable washing cycles and decrease analytical area, and employs on-bead RCA for single-molecule amplification and detection. We investigated the effects of reagent concentration and amount of padlock probes, and demonstrated the feasibility of detecting Salmonella.

sted, utgiver, år, opplag, sider
2010. Vol. 10, nr 10, s. 1262-1266
HSV kategori
Identifikatorer
URN: urn:nbn:se:uu:diva-137198DOI: 10.1039/b927460jISI: 000277359600006OAI: oai:DiVA.org:uu-137198DiVA, id: diva2:377896
Tilgjengelig fra: 2010-12-15 Laget: 2010-12-15 Sist oppdatert: 2017-12-11bibliografisk kontrollert

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Jarvius, JonasNilsson, Mats

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