A practicable method for the analysis of complex motion of biological and soft matter

TL;DR

This paper introduces a practical method to analyze complex, irregular trajectories in biological and soft matter, uncovering hidden dynamical information and enabling systematic study of their micro-structure evolution.

Contribution

A new analytical approach for deciphering complex motion trajectories in biological and soft matter, revealing underlying dynamical mechanisms.

Findings

Unveiled hidden dynamical information in irregular trajectories.

Revealed evolution of spatial-temporal micro-structure.

Enabled systematic analysis of complex biological motions.

Abstract

Biological function of living matter is fulfilled by complex motions of biological and soft matter. Unlike general motion is deterministic described by Newton's laws, these motions are mostly random and uncertain for the position in stochastic process, being characterized as irregular trajectories of movement without a defined velocity. Like human fingerprint, the trajectory is the identity of the motion containing fundamental dynamical information. Such irregular trajectories randomly inter-wind and twist to each other to produce a complicated turmoil configuration in which so far the unrealized mechanism of motion is hidden. Nowadays, the analytical method for this fingerprint trajectory is still missed. Here we develop a practicable method to decipher complicated trajectory configuration, which uncovers abundant dynamical information hiding in irregular trajectories, revealing the remarkable evolution of spatial-temporal micro-structure, thus leading to the novel systematic study of the dynamics of biological and soft matter.