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Dynamic range of fluorescence detection and base-calling accuracy in DNA sequencer based on single-photon counting

  • Dmitri N. Gavrilov
  • , Boris Gorbovitski
  • , Mikhail Gouzman
  • , Georgiy Gudkov
  • , Andrei Stepoukhovitch
  • , Victor Ruskovoloshin
  • , Andrei Tsuprik
  • , Georgiy Tyshko
  • , Olga Bilenko
  • , Olga Kosobokova
  • , Serge Luryi
  • , Vera Gorfinkel
  • Stony Brook University

Research output: Contribution to journalArticlepeer-review

17 Scopus citations

Abstract

Recently, we developed a family of high-performance automated capillary DNA sequencing instruments based on a single-photon detection of fluorescently labeled DNA fragments. Our machines employ digital and broadband techniques, essential for achieving superior instrument sensitivity and dynamic range. In the present paper, we discuss limitations of the instrument's performance caused by the nonlinearity of single-photon detectors as well as methods for nonlinearity compensation which increase the detection dynamic range and base-calling accuracy.

Original languageEnglish
Pages (from-to)1184-1192
Number of pages9
JournalElectrophoresis
Volume24
Issue number7-8
DOIs
StatePublished - Apr 2003

Keywords

  • DNA sequencing instruments
  • Single-photon detection

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