Charge switch nucleotides

The present invention provides compounds, methods and systems for sequencing nucleic acid using single molecule detection. Using labeled NPs that exhibit charge-switching behavior, single-molecule DNA sequencing in a microchannel sorting system is realized. In operation, sequencing products are dete...

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Bibliographische Detailangaben
Hauptverfasser: DRANEY DAN, CHEN JIYAN, WILLIAMS JOHN G. K, REYNOLDS BAMBI L, SHEAFF PAMELA, BASHFORD GREGORY R, NARAYANAN NARA
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:The present invention provides compounds, methods and systems for sequencing nucleic acid using single molecule detection. Using labeled NPs that exhibit charge-switching behavior, single-molecule DNA sequencing in a microchannel sorting system is realized. In operation, sequencing products are detected enabling real-time sequencing as successive detectable moieties flow through a detection channel. By electrically sorting charged molecules, the cleaved product molecules are detected in isolation without interference from unincorporated NPs and without illuminating the polymerase-DNA complex.