Probing cellulose structures with vibrational spectroscopy

M Makarem, CM Lee, K Kafle, S Huang, I Chae… - Cellulose, 2019 - Springer
This paper reviews principles, data interpretations, and applications of vibrational
spectroscopic methods used for analysis of cellulose in the isolated state and in plant cell …

Biological macromolecules at interfaces probed by chiral vibrational sum frequency generation spectroscopy

ECY Yan, L Fu, Z Wang, W Liu - Chemical reviews, 2014 - ACS Publications
1. INTRODUCTION A fundamental understanding of chiral biomacromolecules at aqueous
interfaces is critical to studying a host of important phenomena in modern biology, chemistry …

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 …

Electrolytes induce long-range orientational order and free energy changes in the H-bond network of bulk water

Y Chen, HI Okur, N Gomopoulos, C Macias-Romero… - Science …, 2016 - science.org
Electrolytes interact with water in many ways: changing dipole orientation, inducing charge
transfer, and distorting the hydrogen-bond network in the bulk and at interfaces. Numerous …

The orientation and charge of water at the hydrophobic oil droplet–water interface

R Vácha, SW Rick, P Jungwirth… - Journal of the …, 2011 - ACS Publications
We established the charge and structure of the oil/water interface by combining ζ-potential
measurements, sum frequency scattering (SFS) and molecular dynamics simulations. The …

Nonlinear light scattering and spectroscopy of particles and droplets in liquids

S Roke, G Gonella - Annual review of physical chemistry, 2012 - annualreviews.org
Nano-and microparticles have optical, structural, and chemical properties that differ from
both their building blocks and the bulk materials themselves. These different physical and …

Origin of optical second-harmonic generation in spherical gold nanoparticles: Local surface and nonlocal bulk contributions

G Bachelier, J Butet, I Russier-Antoine, C Jonin… - Physical Review B …, 2010 - APS
The second-harmonic generation of 150 nm spherical gold nanoparticles is investigated
both experimentally and theoretically. We demonstrate that the interference effects between …

Ultrafast surface vibrational dynamics

H Arnolds, M Bonn - Surface Science Reports, 2010 - Elsevier
Surface vibrational spectroscopy has developed rapidly over the past decades, thanks to the
advent of ultrashort tunable laser pulses in the mid-infrared range. In particular, femtosecond …

Nonlinear Mie theory for second-harmonic and sum-frequency scattering

AGF de Beer, S Roke - Physical Review B—Condensed Matter and Materials …, 2009 - APS
We present a theory for second-order nonlinear light scattering from spherical particles
using source waves of arbitrary frequency and direction based on a combination of linear …

The interfacial tension of nanoscopic oil droplets in water is hardly affected by SDS surfactant

HB de Aguiar, AGF de Beer, ML Strader… - Journal of the American …, 2010 - ACS Publications
Surfactants such as sodium dodecylsulfate (SDS) can reduce the interfacial tension between
bulk water and bulk n-hexadecane by 42 mN/m. Although reduction of interfacial tension …