Detecting interplay of chirality, water, and interfaces for elucidating biological functions

ECY Yan, EA Perets, D Konstantinovsky… - Accounts of Chemical …, 2023 - ACS Publications
Conspectus Chemists have long been fascinated by chirality, water, and interfaces, making
tremendous progress in each research area. However, the chemistry emerging from the …

Nonlinear optical probes of nucleation and crystal growth: recent progress and future prospects

AR Dok, T Legat, Y de Coene… - Journal of Materials …, 2021 - pubs.rsc.org
In situ experimental studies have been key in uncovering the often elusive pathways of
nucleation and crystal growth. In the field of material science and medicine this offers the …

Chiral sum frequency generation spectroscopy detects double-helix dna at interfaces

EA Perets, KB Olesen, ECY Yan - Langmuir, 2022 - ACS Publications
Many DNA-based technologies involve the immobilization of DNA and therefore require a
fundamental understanding of the DNA structure–function relationship at interfaces. We …

Mirror-image antiparallel β-sheets organize water molecules into superstructures of opposite chirality

EA Perets, D Konstantinovsky, L Fu… - Proceedings of the …, 2020 - National Acad Sciences
Biomolecular hydration is fundamental to biological functions. Using phase-resolved chiral
sum-frequency generation spectroscopy (SFG), we probe molecular architectures and …

Chiral water superstructures around antiparallel β-sheets observed by chiral vibrational sum frequency generation spectroscopy

EA Perets, ECY Yan - The journal of physical chemistry letters, 2019 - ACS Publications
Hydration modulates every aspect of protein structure and function. However, studying water
structures in hydration shells remains challenging mostly due to overwhelming background …

Iron (III) speciation observed at aqueous and glycerol surfaces: vibrational sum frequency and X-ray

L Lin, J Husek, S Biswas, SM Baumler… - Journal of the …, 2019 - ACS Publications
Aqueous solutions of FeCl3 have been widely studied to shed light on a number of
processes from dissolution, mineralization, biology, electrocatalysis, corrosion, to microbial …

How Thick is the Air–Water Interface?─ A Direct Experimental Measurement of the Decay Length of the Interfacial Structural Anisotropy

AP Fellows, ÁD Duque, V Balos, L Lehmann, RR Netz… - Langmuir, 2024 - ACS Publications
The air–water interface is a highly prevalent phase boundary impacting many natural and
artificial processes. The significance of this interface arises from the unique properties of …

Symmetry-based identification and enumeration of independent tensor properties in nonlinear and chiral optics

DL Andrews - The Journal of Chemical Physics, 2023 - pubs.aip.org
For many laser-based methods of material characterization and analysis, a tensor
formulation of theory is necessary, especially in techniques that exploit nonlinear or chiral …

Theoretical basis for interpreting heterodyne chirality-selective sum frequency generation spectra of water

D Konstantinovsky, T Santiago, M Tremblay… - The Journal of …, 2024 - pubs.aip.org
Chirality-selective vibrational sum frequency generation (chiral SFG) spectroscopy has
emerged as a powerful technique for the study of biomolecular hydration water due to its …

Local ordering of lattice self-assembled SDS@ 2β-CD materials and adsorbed water revealed by vibrational sum frequency generation microscope

H Wang, W Chen, JC Wagner… - The Journal of Physical …, 2019 - ACS Publications
VSFG (vibrational sum frequency generation) microscopy was used to study the SDS@ 2β-
CD system, a synthetic capsid-like self-assembled material. We found because of strong …