Anomalous, non-Gaussian tracer diffusion in crowded two-dimensional environments

SK Ghosh, AG Cherstvy, DS Grebenkov… - New Journal of …, 2016 - iopscience.iop.org
A topic of intense current investigation pursues the question of how the highly crowded
environment of biological cells affects the dynamic properties of passively diffusing particles …

Facilitation of polymer looping and giant polymer diffusivity in crowded solutions of active particles

J Shin, AG Cherstvy, WK Kim, R Metzler - New Journal of Physics, 2015 - iopscience.iop.org
We study the dynamics of polymer chains in a bath of self-propelled particles (SPP) by
extensive Langevin dynamics simulations in a two-dimensional model system. Specifically …

[HTML][HTML] Seaweed polysaccharides as macromolecular crowding agents

A De Pieri, S Rana, S Korntner, DI Zeugolis - International Journal of …, 2020 - Elsevier
Abstract Development of mesenchymal stem cell-based tissue engineered implantable
devices requires prolonged in vitro culture for the development of a three-dimensional …

Chain reconfiguration in active noise

N Samanta, R Chakrabarti - Journal of Physics A: Mathematical …, 2016 - iopscience.iop.org
In a typical single molecule experiment, the dynamics of an unfolded protein is studied by
determining the reconfiguration time using long-range Förster resonance energy transfer …

Migration of active rings in porous media

L Theeyancheri, S Chaki, T Bhattacharjee… - Physical Review E, 2022 - APS
Inspired by how the shape deformations in active organisms help them to migrate through
disordered porous environments, we simulate active ring polymers in two-dimensional …

Size-dependent macromolecular crowding effect on the thermodynamics of protein unfolding revealed at the single molecular level

N Das, P Sen - International journal of biological macromolecules, 2019 - Elsevier
The real biological environment involves a high degree of complexity and the
macromolecular crowder is the best candidate to somewhat mimic this. In this contribution …

Inverted critical adsorption of polyelectrolytes in confinement

SJ De Carvalho, R Metzler, AG Cherstvy - Soft Matter, 2015 - pubs.rsc.org
What are the fundamental laws for the adsorption of charged polymers onto oppositely
charged surfaces, for convex, planar, and concave geometries? This question is at the heart …

First evidence of formation of pre-molten globule state in myoglobin: A macromolecular crowding approach towards protein folding in vivo

ZA Parray, S Ahamad, F Ahmad, MI Hassan… - International journal of …, 2019 - Elsevier
Myoglobin is known to show formation of intermediate states under various environmental
conditions, in spite of that, this is the first evidence of formation pre-molten globule (PMG) in …

Polyethylene glycol and divalent salt-induced DNA reentrant condensation revealed by single molecule measurements

C Cheng, JL Jia, SY Ran - Soft Matter, 2015 - pubs.rsc.org
In this study, we investigated the DNA condensation induced by polyethylene glycol (PEG)
with different molecular weights (PEG 600 and PEG 6000) in the presence of NaCl or MgCl2 …

Effects of macromolecular crowding on nanoparticle diffusion: new insights from Mössbauer Spectroscopy

AA Nikitin, AY Yurenya, RR Gabbasov… - The Journal of …, 2021 - ACS Publications
In this work, we used Mössbauer spectroscopy as a new approach for experimental
quantification of the self-diffusion coefficient (D Mössbauer) and hydrodynamic (HD) size of …