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We study the energy expenditure and structural correlations in semi-dilute to concentrated suspensions of squirmers using active fast Stokesian dynamics simulations. Specifically, we simulate apolar active suspensions of squirmers, or…

Soft Condensed Matter · Physics 2026-03-03 Zhouyang Ge , Gwynn J. Elfring

We use molecular dynamics computer simulations and nuclear magnetic resonance experiments to investigate the dynamics of water at interfaces of molecular roughness and low mobility. We find that, when approaching such interfaces, the…

Soft Condensed Matter · Physics 2014-07-22 Markus Rosenstihl , Kerstin Kämpf , Felix Klameth , Matthias Sattig , Michael Vogel

The disruption of protein structures by denaturants like urea is well studied, though its molecular mechanisms remain unclear. Using Molecular Dynamics (MD) simulations, we investigated how urea affects the structural stability of Bovine…

Biological Physics · Physics 2025-07-24 Y. Ricardo Espinosa , C. Manuel Carlevaro , C. Gastón Ferrara

Each and every biological function in living organism happens as a result of protein-protein interactions.The diseases are no exception to this. Identifying one or more proteins for a particular disease and then designing a suitable…

Computational Engineering, Finance, and Science · Computer Science 2015-07-31 Anupam Ghosh , Mainak Talukdar , Uttam Kumar Roy

The native state structures of globular proteins are stable and well-packed indicating that self-interactions are favored over protein-solvent interactions under folding conditions. We use this as a guiding principle to derive the geometry…

Biomolecules · Quantitative Biology 2021-07-14 Tatjana Škrbić , Amos Maritan , Achille Giacometti , George D. Rose , Jayanth R. Banavar

Protein biologics hold immense potential in therapeutic applications, but their ephemeral nature has hindered their widespread application. The effects of different stressors on protein folding have long been studied, but whether these…

Biological Physics · Physics 2024-08-22 Yinhao Jia , Clare Cocker , Janani Sampath

Water plays a fundamental role in protein stability. However, the effect of the properties of water on the behaviour of proteins is only partially understood. Several theories have been proposed to give insight into the mechanisms of cold…

Soft Condensed Matter · Physics 2021-03-25 Giancarlo Franzese , Joan Àguila Rojas , Valentino Bianco , Ivan Coluzza

Protein-stabilised emulsion gels can be studied in the theoretical framework of colloidal gels, because both protein assemblies and droplets may be considered as soft colloids. These particles differ in their nature, size and softness, and…

Soft Condensed Matter · Physics 2020-07-10 Marion Roullet , Paul S. Clegg , William J. Frith

Hydrophobicity is thought to be one of the primary forces driving the folding of proteins. On average, hydrophobic residues occur preferentially in the core, whereas polar residues tends to occur at the surface of a folded protein. By…

Biomolecules · Quantitative Biology 2007-05-23 Susanne Moelbert , Eldon Emberly , Chao Tang

Concentrated fabric softeners are water-based formulations containing around 10 - 15 wt. % of double tailed esterquat surfactants primarily synthesized from palm oil. In recent patents, it was shown that a significant part of the surfactant…

Soft Condensed Matter · Physics 2021-09-21 E. K. Oikonomou , N. Christov , G. Cristobal , C. Bourgaux , L. Heux , I. Boucenna , J. -F. Berret

The study of protein interactions has generated great interest in the food industry. Therefore, research on new supramolecular structures shows promise. Supramolecular structures of the whey proteins {\alpha}-lactalbumin and…

Phase separation in biomolecular mixtures can result from multiple physical interactions, which may act either complementarily or antagonistically. In the case of protein-nucleic acid mixtures, charge plays a key role but can have…

Soft Condensed Matter · Physics 2026-05-13 Gabrielle R. Abraham , Tianhao Li , Anna Nguyen , William M. Jacobs , Omar A. Saleh

Liquid liquid phase separation (LLPS) of proteins is an intracellular process that is widely used by cells for many purposes. In living cells (in vivo), LLPS occurs in complex and crowded environments. Amino acids (AAs) are vital components…

We elucidate the mechanism of cold denaturation through constant-pressure simulations for a model of hydrophobic molecules in an explicit solvent. We find that the temperature dependence of the hydrophobic effect is the driving…

Soft Condensed Matter · Physics 2009-11-13 Cristiano L. Dias , Tapio Ala-Nissila , Mikko Karttunen , Ilpo Vattulainen , Martin Grant

Protein crystal production is a major bottleneck for the structural characterisation of proteins. To advance beyond large-scale screening, rational strategies for protein crystallization are crucial. Understanding how chemical anisotropy…

Biomolecules · Quantitative Biology 2022-05-03 Amir R. Khan , Susan James , Michelle K. Quinn , Irem Altan , Patrick Charbonneau , Jennifer J. McManus

Proteins belonging to immunoglobulin superfamily(IgSF) show remarkably conserved nature both in their folded structure and in their folding process, but they neither originate from very similar sequences nor demonstrate functional…

Biomolecules · Quantitative Biology 2014-04-03 Anirban Banerji

We study statistical properties of interacting protein-like surfaces and predict two strong, related effects: (i) statistically enhanced self-attraction of proteins; (ii) statistically enhanced attraction of proteins with similar…

Biomolecules · Quantitative Biology 2007-05-23 D. B. Lukatsky , B. E. Shakhnovich , J. Mintseris , E. I. Shakhnovich

The ice-rubber interface is critical in applications such as tires and shoe outsoles, yet its molecular tribology remains unclear. Using all-atom molecular dynamics simulations, we studied premelting layers at the basal face of ice in…

Soft Condensed Matter · Physics 2026-01-12 Takumi Kojima , Ikki Yasuda , Takumi Sato , Noriyoshi Arai , Kenji Yasuoka

The equilibrium between hydrated and hydrolysed forms of CO2 in water is central to a multitude of processes in geology, oceanography and biology. Chemistry of the carbonate system is well understood in bulk solution, however processes such…

Soft Condensed Matter · Physics 2025-12-04 Daria Turculet , Shurui Miao , Kieran Agg , Susan Perkin

Biomolecular condensates are essential for cellular organization and result from phase separation in systems far from thermodynamic equilibrium. Among various models, chemically active droplets play a significant role, consisting of…

Soft Condensed Matter · Physics 2025-05-19 Jacques Fries , Roxanne Berthin , Chengjie Luo , Marie Jardat , David Zwicker , Vincent Dahirel , Pierre Illien