Chemistry of lipid membranes from models to living systems: a perspective of hydration, surface potential, curvature, confinement and heterogeneity

HI Okur, OB Tarun, S Roke - Journal of the American Chemical …, 2019 - ACS Publications
Lipid membranes provide diverse and essential functions in our cells relating to transport,
energy harvesting and signaling. This variety of functions is controlled by the molecular …

Monitoring membranes: The exploration of biological bilayers with second harmonic generation

EF Page, MJ Blake, GA Foley… - Chemical Physics …, 2022 - pubs.aip.org
Nature's seemingly controlled chaos in heterogeneous two-dimensional cell membranes
stands in stark contrast to the precise, often homogeneous, environment in an …

Optical label-free and model-free probe of the surface potential of nanoscale and microscopic objects in aqueous solution

C Lütgebaucks, G Gonella, S Roke - Physical Review B, 2016 - APS
The electrostatic environment of aqueous systems is an essential ingredient for the function
of any living system. To understand the electrostatic properties and their molecular …

The molecular mechanism of nanodroplet stability

E Zdrali, Y Chen, HI Okur, DM Wilkins, S Roke - ACS nano, 2017 - ACS Publications
Mixtures of nano-and microscopic oil droplets in water have recently been rediscovered as
miniature reaction vessels in microfluidic environments and are important constituents of …

Label-free and charge-sensitive dynamic imaging of lipid membrane hydration on millisecond time scales

OB Tarun, C Hannesschläger… - Proceedings of the …, 2018 - National Acad Sciences
Biological membranes are highly dynamic and complex lipid bilayers, responsible for the
fate of living cells. To achieve this function, the hydrating environment is crucial. However …

Liposomes and Lipid Droplets Display a Reversal of Charge-Induced Hydration Asymmetry

S Pullanchery, N Dupertuis, T Roesel, S Roke - Nano Letters, 2023 - ACS Publications
The unique properties of water are critical for life. Water molecules have been reported to
hydrate cations and anions asymmetrically in bulk water, being a key element in the balance …

Interfacial Inversion, Interference, and IR Absorption in Vibrational Sum Frequency Scattering Experiments

S Pullanchery, L Zhang, S Kulik… - The Journal of Physical …, 2023 - ACS Publications
Molecular interfacial structure greatly determines the properties of nano-and microscale
systems. Vibrational sum frequency scattering (SFS) spectroscopy is a unique interface …

[HTML][HTML] Characterization of the interface of binary mixed DOPC: DOPS liposomes in water: The impact of charge condensation

C Lütgebaucks, C Macias-Romero… - The Journal of chemical …, 2017 - pubs.aip.org
Solutions of liposomes composed of binary mixtures of anionic dioleoylphosphatidylserine
(DOPS) and zwitterionic dioleoylphosphatidylcholine (DOPC) are investigated with label …

[PDF][PDF] Joint small-angle X-ray and neutron scattering data analysis of asymmetric lipid vesicles

B Eicher, FA Heberle, D Marquardt… - Journal of applied …, 2017 - journals.iucr.org
Low-and high-resolution models describing the internal transbilayer structure of asymmetric
lipid vesicles have been developed. These models can be used for the joint analysis of …

Role of hydrogen bonding of cyclodextrin–drug complexes probed by thermodiffusion

D Niether, T Kawaguchi, J Hovancová, K Eguchi… - Langmuir, 2017 - ACS Publications
Temperature gradient-induced migration of biomolecules, known as thermophoresis or
thermodiffusion, changes upon ligand binding. In recent years, this effect has been used to …