Pyrosequencing on a glass surface
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Date
2016-02-16
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Advisor
Referee
Mark
Journal Title
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Publisher
Royal Society of Chemistry
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Abstract
We demonstrate the use of open-surface microuidics to sequence DNA by pyrosequencing at the plain hydrophobically coated surface of a microscope glass cover slip. This method offers signicant advantages in terms of instrument size, simplicity, disposability, and functional integration, particularly when combined with the broad and exible capabilities of open-surface microuidics. The DNA was incubated on superparamagnetic particles and placed on a hydrophobically coated glass substrate. The particles with bound DNA were moved using magnetic force through microliter-sized droplets covered with mineral oil to prevent water evaporation from the droplets. These droplets served as reaction “stations” performing pyrosequencing as well as washing stations. The resequencing protocol with 34-mer single-stranded DNA (ssDNA) was used to determine the reaction performance. The de novo sequencing was performed with 51-mer and 81-mer ssDNA. The method can be integrated with previously shown sample preparation and PCR into a single sample-to-answer system on a plain glass surface.
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Citation
LAB ON A CHIP. 2016, vol. 16, issue 6, p. 1063-1071.
https://pubs.rsc.org/en/content/articlelanding/2016/LC/C6LC00114A
https://pubs.rsc.org/en/content/articlelanding/2016/LC/C6LC00114A
Document type
Peer-reviewed
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Published version
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Language of document
en