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Variational Algorithms for Analyzing Noisy Multistate Diffusion Trajectories.


ABSTRACT: Single-particle tracking offers a noninvasive high-resolution probe of biomolecular reactions inside living cells. However, efficient data analysis methods that correctly account for various noise sources are needed to realize the full quantitative potential of the method. We report algorithms for hidden Markov-based analysis of single-particle tracking data, which incorporate most sources of experimental noise, including heterogeneous localization errors and missing positions. Compared to previous implementations, the algorithms offer significant speedups, support for a wider range of inference methods, and a simple user interface. This will enable more advanced and exploratory quantitative analysis of single-particle tracking data.

SUBMITTER: Linden M 

PROVIDER: S-EPMC6050756 | biostudies-literature | 2018 Jul

REPOSITORIES: biostudies-literature

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Variational Algorithms for Analyzing Noisy Multistate Diffusion Trajectories.

Lindén Martin M   Elf Johan J  

Biophysical journal 20180621 2


Single-particle tracking offers a noninvasive high-resolution probe of biomolecular reactions inside living cells. However, efficient data analysis methods that correctly account for various noise sources are needed to realize the full quantitative potential of the method. We report algorithms for hidden Markov-based analysis of single-particle tracking data, which incorporate most sources of experimental noise, including heterogeneous localization errors and missing positions. Compared to previ  ...[more]

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