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Understanding the role of cholesterol in ionic liquid (IL)-membrane interactions is essential for advancing biomedical applications of ILs, including the development of innovative antimicrobial agents. In this study, we explore the…

Soft Condensed Matter · Physics 2025-05-26 J. Gupta , V. K. Sharma , P. Hitaishi , A. K. Jha , J. B. Mitra , H. Srinivasan , S. Kumar , A. Kumar , S. K. Ghosh , S. Mitra

In this study, we examine the impact of imidazolium based ILs on the viscoelasticity, dynamics, and phase behavior of two model membrane systems, (i) lipid monolayers and (ii) unilamellar vesicles composed of dipalmitoylphosphatidylcholine…

Soft Condensed Matter · Physics 2025-05-05 V. K. Sharma , J. Gupta , H. Srinivasan , P. Hitaishi , S. K. Ghosh , S. Mitra

Collective motion of self-propelled organisms or synthetic particles often termed active fluid has attracted enormous attention in broad scientific community because of it fundamentally non-equilibrium nature. Energy input and interactions…

Soft Condensed Matter · Physics 2014-03-05 Shuang Zhou , Andrey Sokolov , Oleg D Lavrentovich , Igor S Aranson

Real-life bacteria often swim in complex fluids, but our understanding of the interactions between bacteria and complex surroundings is still evolving. In this work, rod-like \textit{Bacillus subtilis} swims in a quasi-2D environment with…

The interpretation electrical phenomena in biomembranes is usually based on the assumption that the experimentally found discrete ion conduction events are due to a particular class of proteins called ion channels while the lipid membrane…

Biological Physics · Physics 2010-06-17 Thomas Heimburg

Ionic liquids (ILs) feature a tailorable and wide range of structural, chemical and electronic properties that make this class of materials suitable to a broad variety of forefront applications in next-generation electronics. Yet, their…

Materials Science · Physics 2022-11-28 Irene Amiehe Essomba , Mauro Boero , Kerstin Falk , Guido Ori

Adhesion of bacteria to liquid-liquid interfaces can play a role in the biodegradation of dispersed hydrocarbons and in biochemical and bioprocess engineering. Whereas thermodynamic factors underpinning adhesion are well studied, the role…

Soft Condensed Matter · Physics 2020-07-29 Narendra K. Dewangan , Jacinta C. Conrad

A minimalist simulation model for lipid bilayers is presented. Each lipid is represented by a flexible chain of beads in implicit solvent. The hydrophobic effect is mimicked through an intermolecular pair potential localized at the…

Statistical Mechanics · Physics 2009-11-11 Grace Brannigan , Peter F. Philips , Frank L. H. Brown

The exceptional physicochemical properties and versatile biological activities of ionic liquids (ILs) have propelled their potential applications in various industries, including pharmaceuticals and green chemistry. However, their…

Soft Condensed Matter · Physics 2024-07-29 J. Gupta , V. K. Sharma , P. Hitaishi , H. Srinivasan , S. Kumar , S. K. Ghosh , S. Mitra

Lithium salts have strong medical properties in neurological disorders such as bipolar disorder and lithium-responsive headaches. They have recently gathered attention due to their potential preventive effect in viral infections. Though the…

Biological Physics · Physics 2024-11-27 Dana Kamp

In this paper, we examine the mechanical role of the lipid bilayer in ion channel conformation and function with specific reference to the case of the mechanosensitive channel of large conductance (MscL). In a recent paper (Wiggins and…

Biomolecules · Quantitative Biology 2009-11-10 Paul Wiggins , Rob Phillips

Membrane pores are implicated in several critical functions, including cell fusion and the transport of signaling molecules for intercellular communication. However, these structural features are often difficult to probe directly. Droplet…

Soft Condensed Matter · Physics 2025-11-13 Nivedina A. Sarma , David A. King , Xuefei Wu , Brett A. Helms , Paul D. Ashby , Thomas P. Russell , Ahmad K. Omar

Ionic liquids (ILs) are salts that are liquid close to room temperature. Their possible applications are numerous, e.g., as solvents for green chemistry in various electrochemical devices, and even for such "exotic" purposes as…

Materials Science · Physics 2015-09-16 P. Sippel , P. Lunkenheimer , S. Krohns , E. Thoms , A. Loidl

It is known that lipid membranes become permeable in their melting regime. In microscopic conductance measurements on black lipid membranes one finds that conduction takes place via quantized events closely resembling those reported for…

Biological Physics · Physics 2010-06-17 Katarzyna Wodzinska , Andreas Blicher , Thomas Heimburg

Bacteria predate plants and animals by billions of years. Today, they are the world's smallest cells yet they represent the bulk of the world's biomass, and the main reservoir of nutrients for higher organisms. Most bacteria can move on…

Fluid Dynamics · Physics 2016-01-20 Eric Lauga

Near-field hydrodynamic interactions between bacteria and no-slip solid surfaces are the main mechanism underlying surface entrapment of bacteria. In this study, we employ a chiral two-body model to simulate bacterial dynamics near the…

Soft Condensed Matter · Physics 2026-02-25 Baopi Liu , Lu Chen , Haiqin Wang

Unassisted ion transport through lipid membranes plays a crucial role in many cell functions without which life would not be possible, yet the precise mechanism behind the process remains unknown due to its molecular complexity. Here, we…

Soft Condensed Matter · Physics 2022-07-25 David Roesel , Maksim Eremchev , Chetan S. Poojari , Jochen S. Hub , Sylvie Roke

Surface active ionic liquids (SAILs) combine useful characteristics of both ionic liquids (ILs) and surfactants, hence are promising candidates for a wide range of applications. However, the effect of SAIL ionic structures on their…

Melittin, a natural antimicrobial peptide comprising 26 amino acid residues, can kill bacteria by inducing pores in cell membranes. Clinical applications of melittin as an antibiotic require a thorough understanding of its poration…

Biological Physics · Physics 2024-01-09 Qixuan Li , Xiaoshuang Zhong , Liang Sun , Liang Dai

Ionic Liquids (ILs) are organic molten salts characterized by the total absence of solvent. They show remarkable properties: low vapor pressure, high ionic conductivity, high chemical, thermal and electrochemical stability. These…

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