Crowding in Polymer–Nanoparticle Mixtures

AR Denton - International review of cell and molecular biology, 2014 - Elsevier
The cell nucleus is a highly crowded environment, filled with a multicomponent,
polydisperse mixture of biopolymers and nuclear bodies dispersed in a viscous solvent. With …

Distance-dependent hydrophobic–hydrophobic contacts in protein folding simulations

A Onofrio, G Parisi, G Punzi, S Todisco… - Physical Chemistry …, 2014 - pubs.rsc.org
Successful prediction of protein folding from an amino acid sequence is a challenge in
computational biology. In order to reveal the geometric constraints that drive protein folding …

[HTML][HTML] Effects of macromolecular crowding on the folding of a polymer chain: A Wang–Landau simulation study

MP Taylor, C Vinci, R Suzuki - The Journal of Chemical Physics, 2020 - pubs.aip.org
A flexible polymer chain in the presence of inert macromolecular crowders will experience a
loss of configurational entropy due to the crowder excluded volume. This entropy reduction …

Massively parallel Wang–Landau sampling on multiple GPUs

J Yin, DP Landau - Computer Physics Communications, 2012 - Elsevier
Wang–Landau sampling is implemented on the Graphics Processing Unit (GPU) with the
Compute Unified Device Architecture (CUDA). Performances on three different GPU cards …

Influence of polymer shape on depletion potentials and crowding in colloid–polymer mixtures

WK Lim, AR Denton - Soft Matter, 2016 - pubs.rsc.org
Depletion-induced interactions between colloids in colloid–polymer mixtures depend in
range and strength on size, shape, and concentration of depletants. Crowding by colloids in …

[HTML][HTML] Influence of solvent quality on depletion potentials in colloid–polymer mixtures

AR Denton, WJ Davis - The Journal of Chemical Physics, 2021 - pubs.aip.org
As first explained by the classic Asakura–Oosawa (AO) model, effective attractive forces
between colloidal particles induced by depletion of nonadsorbing polymers can drive …

[HTML][HTML] Depletion-induced forces and crowding in polymer-nanoparticle mixtures: Role of polymer shape fluctuations and penetrability

WK Lim, AR Denton - The Journal of chemical physics, 2016 - pubs.aip.org
Depletion forces and macromolecular crowding govern the structure and function of
biopolymers in biological cells and the properties of polymer nanocomposite materials. To …

A simplified representation of anisotropic charge distributions within proteins

T Hoppe - The Journal of chemical physics, 2013 - pubs.aip.org
Effective coarse-grained representations of protein-protein interaction potentials are vital in
the modeling of large scale systems. We develop a method to fit an arbitrary number of …

Kinetic Studies on Protein Aggregation With and Without the Presence of Crowders

JS Schreck, J Bridstrup, JM Yuan - Biophysics and Biochemistry of …, 2017 - World Scientific
In this review, we begin by describing the importance of studying the processes of protein
self-assembly for understanding the formation of natural protein polymers, disease-causing …

[PDF][PDF] C 2 Macromolecular Crowding: Colloidal Suspensions as Models for Biological Systems

PR Lang, Y Liu - juser.fz-juelich.de
Many biological systems are containing high contents of various macromolecular and
colloidal species, they may thus be considered as an aqueous suspension with a high …