Surprising Rigidity of Functionally Important Water Molecules Buried in the Lipid Headgroup Region

R Zhang, TA Cross, X Peng, R Fu - Journal of the American …, 2022 - ACS Publications
Understanding water dynamics and structure is an important topic in biological systems. It is
generally held in the literature that the interfacial water of hydrated phospholipids is highly …

Phonon-mediated lipid raft formation in biological membranes

D Bolmatov, JJ Kinnun, J Katsaras… - Chemistry and Physics of …, 2020 - Elsevier
Short-wavelength collective molecular motions, also known as phonons, have recently
attracted much interest in revealing dynamic properties of biological membranes through the …

Effect of molecular dynamics water models on flux, diffusivity, and ion dynamics for polyamide membrane simulations

S Liu, S Keten, RM Lueptow - Journal of Membrane Science, 2023 - Elsevier
While molecular dynamics (MD) models for reverse osmosis (RO) and nanofiltration (NF)
membranes are useful for studying water filtration processes, the specific water model and …

Dehydration induced dynamical heterogeneity and ordering mechanism of lipid bilayers

S Malik, A Debnath - The Journal of Chemical Physics, 2021 - pubs.aip.org
Understanding the influence of dehydration on the membrane structure is crucial to control
membrane functionality related to domain formation and cell fusion under anhydrobiosis …

A comparative study on DMSO-induced modulation of the structural and dynamical properties of model bilayer membranes

S Kundu, S Malik, M Ghosh, S Nandi, A Pyne… - Langmuir, 2021 - ACS Publications
Modulating the structures and properties of biomembranes via permeation of small
amphiphilic molecules is immensely important, having diverse applications in cell biology …

Relaxation time scales of interfacial water upon fluid to ripple to gel phase transitions of bilayers

S Malik, S Karmakar, A Debnath - The Journal of Chemical Physics, 2023 - pubs.aip.org
The slow relaxation of interface water (IW) across three primary phases of membranes is
relevant to understand the influence of IW on membrane functions at supercooled …

Dynamical Crossover of Interfacial Water upon Melting of a Lipid Bilayer: Influence of Different Parts of the Headgroups

A Chandra, A Kayal, B Das… - The Journal of Physical …, 2023 - ACS Publications
All-atom molecular dynamics simulations of a 1, 2-dimyristoyl-sn-glycero-3-phosphocholine
bilayer in contact with liquid water were performed at different temperatures ranging from …

Compatibility of advanced water models with a united atom model of lipid in lipid bilayer simulation

S Erimban, S Daschakraborty - The Journal of Chemical Physics, 2019 - pubs.aip.org
Molecular dynamics simulation of lipid bilayers generally uses all-atom, united-atom, and
coarse-grained models of lipid molecules. The GROMOS united-atom model of lipid …

Modulation of membrane fluidity to control interfacial water structure and dynamics in saturated and unsaturated phospholipid vesicles

D Mondal, S Malik, P Banerjee, N Kundu, A Debnath… - Langmuir, 2020 - ACS Publications
The structure and dynamics of interfacial water in biological systems regulate the
biochemical reactions. But, it is still enigmatic how the behavior of the interfacial water …

Structural changes of interfacial water upon fluid-ripple-gel phase transitions of bilayers

S Malik, A Debnath - Chemical Physics Letters, 2022 - Elsevier
All atom molecular dynamics simulations of fully hydrated dimyristoylphosphatidylcholine
lipid bilayers are performed for total 9.45 μs showing a fluid to a ripple to a gel phase …