Differential dynamic microscopy for the characterization of polymer systems

R Cerbino, F Giavazzi… - Journal of Polymer …, 2022 - Wiley Online Library
This review summarizes recent progress in investigating polymer systems by using
Differential dynamic microscopy (DDM), a rapidly emerging approach that transforms a …

Enhanced heterogeneous diffusion of nanoparticles in semiflexible networks

Z Xu, X Dai, X Bu, Y Yang, X Zhang, X Man, X Zhang… - ACS …, 2021 - ACS Publications
The transport of nanoparticles in semiflexible networks, which form diverse principal
structural components throughout living systems, is important in biology and biomedical …

Optical-Tweezers-integrating-Differential-Dynamic-Microscopy maps the spatiotemporal propagation of nonlinear strains in polymer blends and composites

KR Peddireddy, R Clairmont, P Neill, R McGorty… - Nature …, 2022 - nature.com
How local stresses propagate through polymeric fluids, and, more generally, how
macromolecular dynamics give rise to viscoelasticity are open questions vital to wide …

Topological tuning of DNA mobility in entangled solutions of supercoiled plasmids

J Smrek, J Garamella, R Robertson-Anderson… - Science …, 2021 - science.org
Ring polymers in dense solutions are among the most intriguing problems in polymer
physics. Because of its natural occurrence in circular form, DNA has been extensively used …

Emergence of multiscale dynamics in colloidal gels

JH Cho, R Cerbino, I Bischofberger - Physical review letters, 2020 - APS
To gain insight into the kinetics of colloidal gel evolution at low particle volume fractions ϕ,
we utilize differential dynamic microscopy to investigate particle aggregation, geometric …

Phase transition of catenated DNA networks in poly (ethylene glycol) solutions

I Yadav, D Al Sulaiman, BW Soh, PS Doyle - ACS Macro Letters, 2021 - ACS Publications
Conformational phase transitions of macromolecules are an important class of problems in
fundamental polymer physics. While the conformational phase transitions of linear DNA …

Quantifying cytoskeleton dynamics using differential dynamic microscopy

HN Verwei, G Lee, G Leech, II Petitjean… - Journal of …, 2022 - pmc.ncbi.nlm.nih.gov
Cells can crawl, self-heal, and tune their stiffness due to their remarkably dynamic
cytoskeleton. As such, reconstituting networks of cytoskeletal biopolymers may lead to a host …

Anomalous and heterogeneous DNA transport in biomimetic cytoskeleton networks

J Garamella, K Regan, G Aguirre, RJ McGorty… - Soft Matter, 2020 - pubs.rsc.org
The cytoskeleton, a complex network of protein filaments and crosslinking proteins, dictates
diverse cellular processes ranging from division to cargo transport. Yet, the role the …

Motor-driven advection competes with crowding to drive spatiotemporally heterogeneous transport in cytoskeleton composites

JY Sheung, J Garamella, SK Kahl, BY Lee… - Frontiers in …, 2022 - frontiersin.org
The cytoskeleton–a composite network of biopolymers, molecular motors, and associated
binding proteins–is a paradigmatic example of active matter. Particle transport through the …

Subtle changes in crosslinking drive diverse anomalous transport characteristics in actin–microtubule networks

SJ Anderson, J Garamella, S Adalbert, RJ McGorty… - Soft Matter, 2021 - pubs.rsc.org
Anomalous diffusion in crowded and complex environments is widely studied due to its
importance in intracellular transport, fluid rheology and materials engineering. Specifically …