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Updated: May 14, 2026

A Protocol for Real-time 3D Single Particle Tracking

A Protocol for Real-time 3D Single Particle Tracking

Published on: January 3, 2018

On the correction of errors in some multiple particle tracking experiments.

Christopher J Rowlands¹, Peter T C So

¹Department of Biological Engineering, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA.

Applied Physics Letters

|February 14, 2013

Summary

This summary is machine-generated.

Particle tracking experiments can have errors, especially when tracking few particles. This study offers a model showing measured displacement can be 50% lower than actual values.

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Last Updated: May 14, 2026

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Area of Science:

Physics
Physical Chemistry
Biophysics

Background:

Particle tracking is crucial for studying dynamic processes in various scientific fields.
Errors in particle tracking can lead to misinterpretations of experimental data.
Quantifying and understanding these errors is essential for reliable scientific conclusions.

Purpose of the Study:

To identify a common source of error in particle tracking experiments.
To develop a theoretical model for quantifying this particle tracking error.
To validate the model using simulations and experimental data.

Main Methods:

Theoretical modeling of particle tracking errors.
Numerical simulations to test the model's predictions.
Experimental validation using polystyrene microspheres in water.

Main Results:

A common source of error in particle tracking experiments was identified.
The developed theoretical model accurately predicts the magnitude of the error.
The error can cause measured mean squared displacement to be up to 50% smaller than the actual value in systems with few tracked particles.

Conclusions:

The study provides a theoretical framework to understand and correct for a specific error in particle tracking.
The findings are significant for experiments involving a limited number of tracked particles, such as single-particle tracking.
Validated model enhances the accuracy of particle tracking analysis in physical and biological sciences.