Beyond the Hofmeister series: Ion-specific effects on proteins and their biological functions

HI Okur, J Hladílková, KB Rembert, Y Cho… - The Journal of …, 2017 - ACS Publications
Ions differ in their ability to salt out proteins from solution as expressed in the lyotropic or
Hofmeister series of cations and anions. Since its first formulation in 1888, this series has …

Charge transfer across C–H⋅⋅⋅ O hydrogen bonds stabilizes oil droplets in water

S Pullanchery, S Kulik, B Rehl, A Hassanali, S Roke - Science, 2021 - science.org
The hydrophobic–water interface plays a key role in biological interactions. However, both
the hydrophobic–water interfacial molecular structure and the origin of the negative zeta …

Graphene-based nanomaterials and their interactions with lipid membranes

P Mandal, SK Ghosh - Langmuir, 2023 - ACS Publications
Graphene-based nanomaterials (GNMs) have captured increasing attention in the recent
advancement of materials science and nanotechnology owing to their excellent …

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 …

[HTML][HTML] The interfacial structure of water droplets in a hydrophobic liquid

N Smolentsev, WJ Smit, HJ Bakker, S Roke - Nature communications, 2017 - nature.com
Nanoscopic and microscopic water droplets and ice crystals embedded in liquid
hydrophobic surroundings are key components of aerosols, rocks, oil fields and the human …

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 …

Ion pairing and molecular orientation at liquid/liquid interfaces: Self-assembly and function

L Lin, AU Chowdhury, YZ Ma, RL Sacci… - The Journal of …, 2022 - ACS Publications
Molecular orientation plays a pivotal role in defining the functionality and chemistry of
interfaces, yet accurate measurements probing this important feature are few, due, in part, to …

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 …