Convex hull as diagnostic tool in single-molecule localization microscopy

Bioinformatics. 2022 Dec 13;38(24):5421-5429. doi: 10.1093/bioinformatics/btac700.

Abstract

Motivation: Single-molecule localization microscopy resolves individual fluorophores or fluorescence-labeled biomolecules. Data are provided as a set of localizations that distribute normally around the true fluorophore position with a variance determined by the localization precision. Characterizing the spatial fluorophore distribution to differentiate between resolution-limited localization clusters, which resemble individual biomolecules, and extended structures, which represent aggregated molecular complexes, is a common challenge.

Results: We demonstrate the use of the convex hull and related hull properties of localization clusters for diagnostic purposes, as a parameter for cluster selection or as a tool to determine localization precision.

Availability and implementation: https://github.com/super-resolution/Ebert-et-al-2022-supplement.

Supplementary information: Supplementary data are available at Bioinformatics online.

Publication types

  • Research Support, Non-U.S. Gov't

MeSH terms

  • Fluorescent Dyes / chemistry
  • Microscopy*
  • Single Molecule Imaging
  • Software*

Substances

  • Fluorescent Dyes