The coupling of rotational and translational dynamics for rapid diffusion of nanorods in macromolecular networks

B Xue, Y Liu, Y Tian, P Yin - Nature Communications, 2024 - nature.com
The rod-like viruses show anomalously rapid diffusion in bio-tissue networks originated from
the rotation-facilitated transportation; however, the experimental investigation of the …

Particle tracking of nanoparticles in soft matter

KA Rose, M Molaei, MJ Boyle, D Lee… - Journal of Applied …, 2020 - pubs.aip.org
Recent advances in optical microscopy instrumentation and processing techniques have led
to imaging that both breaks the diffraction barrier and enables sub-pixel resolution. This …

Scaling perspective on dynamics of nanoparticles in polymers: length-and time-scale dependent nanoparticle–polymer coupling

T Ge - Macromolecules, 2023 - ACS Publications
The motion of nanoparticles in a polymer matrix is dictated by the intricate coupling of the
nanoparticles and surrounding polymers. Various length-and time-scale dependent features …

Shape anisotropy enhances nanoparticle dynamics in nearly homogeneous hydrogels

KA Rose, N Gogotsi, JH Galarraga, JA Burdick… - …, 2022 - ACS Publications
Single particle tracking is used to investigate the effect of nanoparticle shape anisotropy on
dynamics. The mean squared displacements of poly (ethylene glycol)(PEG)-functionalized …

Motile Bacteria at Oil–Water Interfaces: Pseudomonas aeruginosa

J Deng, M Molaei, NG Chisholm, KJ Stebe - Langmuir, 2020 - ACS Publications
Bacteria are important examples of active or self-propelled colloids. Because of their
directed motion, they accumulate near interfaces. There, they can become trapped and swim …

Association of nanodiamond rotation dynamics with cell activities by translation-rotation tracking

X Feng, WH Leong, K **a, CF Liu, GQ Liu, T Rendler… - Nano …, 2021 - ACS Publications
Correlated translation-orientation tracking of single particles can provide important
information for understanding the dynamics of live systems and their interaction with the …

Diffusion of thin nanorods in polymer melts

J Wang, TC O'Connor, GS Grest, Y Zheng… - …, 2021 - ACS Publications
The diffusion of monomerically thin nanorods in polymer melts is studied by molecular
dynamics simulations. We focus on the systems where the chains are long enough to screen …

Burst-by-burst measurement of rotational diffusion at nanosecond resolution reveals hot-brownian motion and single-chain binding

N Asgari, MD Baaske, M Orrit - ACS nano, 2023 - ACS Publications
We record dark-field scattering bursts of individual gold nanorods, 52× 15 nm2 in average
size, freely diffusing in water suspension. We deduce their Brownian rotational diffusion …

Transport of penetrants in polymeric materials

C Chen, B Mei, KS Schweizer, CM Evans… - Polymer …, 2024 - Wiley Online Library
Transport phenomena of chemical species in polymers underpin many applications. This
mini‐review discusses several key transport scenarios in polymer gels, melts and …

Smoother Surfaces Enhance Diffusion of Nanorods in Entangled Polymer Melts

PA Taylor, J Wang, T Ge, TC O'Connor… - Macromolecules, 2024 - ACS Publications
Coarse-grained molecular dynamics simulations are used to study the diffusion of thin
nanorods in entangled polymer melts for varying nanorod length and roughness. While prior …