Water structure and properties at hydrophilic and hydrophobic surfaces

J Monroe, M Barry, A DeStefano… - Annual Review of …, 2020 - annualreviews.org
The properties of water on both molecular and macroscopic surfaces critically influence a
wide range of physical behaviors, with applications spanning from membrane science to …

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 …

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 …

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] Water as a contrast agent to quantify surface chemistry and physics using second harmonic scattering and imaging: a perspective

D Roesel, M Eremchev, T Schönfeldová, S Lee… - Applied Physics …, 2022 - pubs.aip.org
Molecular level interactions that take place at the interface of different materials determine
their local electrical, chemical, and mechanical properties. In the case of solid interfaces, this …

Lysozyme Interaction with Phospholipid Nanodroplets Probed by Sum Frequency Scattering Vibrational Spectroscopy

TW Golbek, HI Okur, S Kulik, J Dedic, S Roke… - Langmuir, 2023 - ACS Publications
When a nanoparticle (NP) is introduced into a biological environment, its identity and
interactions are immediately attributed to the dense layer of proteins that quickly covers the …

Lipid melting transitions involve structural redistribution of interfacial water

T Schönfeldová, P Piller, F Kovacik… - The Journal of …, 2021 - ACS Publications
Morphological and gel-to-liquid phase transitions of lipid membranes are generally
considered to primarily depend on the structural motifs in the hydrophobic core of the …

Zwitterionic and charged lipids form remarkably different structures on nanoscale oil droplets in aqueous solution

Y Chen, HI Okur, C Lütgebaucks, S Roke - Langmuir, 2018 - ACS Publications
The molecular structure of zwitterionic and charged monolayers on small oil droplets in
aqueous solutions is determined using a combined second harmonic and sum frequency …

Oil-in-Water Emulsions Probed Using Fluorescence Multivariate-Curve-Resolution Spectroscopy

G Gündoğdu, E Yılmaz Topuzlu, F Mutlu… - Langmuir, 2024 - ACS Publications
Hydrophobic surfaces in contact with aqueous media are omnipresent in nature. A plethora
of key biological and physiological processes occur at the interface of immiscible fluids …