Understanding the interaction of polyelectrolyte architectures with proteins and biosystems

K Achazi, R Haag, M Ballauff… - Angewandte Chemie …, 2021 - Wiley Online Library
The counterions neutralizing the charges on polyelectrolytes such as DNA or heparin may
dissociate in water and greatly influence the interaction of such polyelectrolytes with …

Protein–polyelectrolyte complexes and micellar assemblies

S Gao, A Holkar, S Srivastava - Polymers, 2019 - mdpi.com
In this review, we highlight the recent progress in our understanding of the structure,
properties and applications of protein–polyelectrolyte complexes in both bulk and micellar …

Achieving superior anticoagulation of endothelial membrane mimetic coating by heparin grafting at zwitterionic biocompatible interfaces

R Li, Y Li, Y Bai, P Yi, C Sun, S Shi, YK Gong - International Journal of …, 2024 - Elsevier
Thrombosis and bleeding are common complications of blood-contacting medical device
therapies. In this work, an endothelium membrane mimetic coating (PMPCC/Hep) has been …

Sugar-Terminated Nanoparticle Chaperones Are 102–105 Times Better Than Molecular Sugars in Inhibiting Protein Aggregation and Reducing Amyloidogenic …

N Pradhan, S Shekhar, NR Jana… - ACS applied materials & …, 2017 - ACS Publications
Sugar-based osmolyte molecules are known to stabilize proteins under stress, but usually
they have poor chaperone performance in inhibiting protein aggregation. Here, we show …

High-Throughput Single-Particle Characterization of Aggregation Pathways and the Effects of Inhibitors for Large (Megadalton) Protein Oligomers

JS Jordan, CC Harper, ER Williams - Analytical Chemistry, 2024 - ACS Publications
Protein aggregation is involved in many human diseases, but characterizing the sizes and
shapes of intermediate oligomers (∼ 10–100 nm) that are important to the formation of …

Fluorescence enables high throughput screening of polyelectrolyte–protein binding affinities

AZ Mustafa, B Kent, R Chapman, MH Stenzel - Polymer Chemistry, 2022 - pubs.rsc.org
The use of polyelectrolytes to stabilise and deliver polymers relies on a detailed
understanding of their binding, but this can be hard to measure across large numbers of …

pH-responsive modulation of insulin aggregation and structural transformation of the aggregates

E Smirnova, I Safenkova, V Stein-Margolina, V Shubin… - Biochimie, 2015 - Elsevier
Over the past two decades, much information has appeared on electrostatically driven
molecular mechanisms of protein self-assembly and formation of aggregates of different …

Prevention of aggregation and renaturation of carbonic anhydrase via weak association with octadecyl-or azobenzene-modified poly (acrylate) derivatives

N Martin, J Ruchmann, C Tribet - Langmuir, 2015 - ACS Publications
The prevention of aggregation during renaturation of urea-denatured carbonic anhydrase B
(CAB) via hydrophobic and Coulomb association with anionic polymers was studied in …

Molecular interaction of heparin and proteins–A relationship with SARS-CoV-2

TSV Ramos, JVP Valverde, TJC de Oliveira… - Journal of Molecular …, 2024 - Elsevier
Interactions between proteins and drugs can lead to the formation of stable complexes and
have important implications for several processes related to human health. These …

Study of the complex coacervation mechanism between the lysing enzyme from T. harzianum and polyallylamine hydrochloride

H Bey, W Gtari, A Aschi - International journal of biological macromolecules, 2019 - Elsevier
Complex coacervation was achieved by mixing the lysing enzyme from T. harzianum (LYS)
with polyallylamine hydrochloride (PAH). We show in this work that the study electrostatic …