Journal
ANALYTICAL CHEMISTRY
Volume 88, Issue 23, Pages 11900-11907Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acs.analchem.6b03725
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Funding
- National Human Genome Research Initiative [R01HG007415]
- Natural Sciences and Engineering Research Council of Canada (NSERC)
- NSERC
- Vanier CGS program
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Biological and solid-state nanometer-scale pores are the basis for numerous emerging analytical technologies for use in precision medicine. We developed Modular Single Molecule Analysis Interface (MOSAIC), an open source analysis software that improves the accuracy and throughput of nanopore-based measurements. Two key algorithms are implemented: ADEPT, which uses a physical model of the nanopore system to characterize short-lived events that do not reach their steady-state current, and CUSUM+, a version of the cumulative sum statistical method optimized for longer events that do. We show that ADEPT detects previously unreported conductance states that occur as double-stranded DNA translocates through a 2.4 nm solid-state nanopore and reveals new interactions between short single-stranded DNA and the vestibule of a biological pore. These findings demonstrate the utility of MOSAIC and the ADEPT algorithm, and offer a new tool that can improve the analysis of nanopore-based measurements.
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