Structure and dynamics of interfacial peptides and proteins from vibrational sum-frequency generation spectroscopy

S Hosseinpour, SJ Roeters, M Bonn, W Peukert… - Chemical …, 2020 - ACS Publications
Proteins at interfaces play important roles in cell biology, immunology, bioengineering, and
biomimetic material design. Many biological processes are based on interfacial protein …

Structure of condensed phase peptides: insights from vibrational circular dichroism and Raman optical activity techniques

TA Keiderling - Chemical reviews, 2020 - ACS Publications
Peptides and proteins are naturally chiral molecular systems so that sensing their structure
and conformation with chirality-based spectral methods is an obvious and long-used …

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 …

Recent progress on sum-frequency spectroscopy

CS Tian, YR Shen - Surface Science Reports, 2014 - Elsevier
Second harmonic generation (SHG) and sum frequency spectroscopy (SFS) have provided
unique opportunities to probe surfaces and interfaces. They have found broad applications …

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 …

Effect of pH and urea on the proteins secondary structure at the water/air interface and in solution

T Guckeisen, S Hosseinpour, W Peukert - Journal of Colloid and Interface …, 2021 - Elsevier
Hypothesis The secondary structure of proteins affects their functionality and performance in
physiological environments or industrial applications. Change of the solution pH or the …

Sum-frequency-generation vibration spectroscopy and density functional theory calculations with dispersion corrections (DFT-D2) for cellulose Iα and Iβ

CM Lee, NMA Mohamed, HD Watts… - The Journal of …, 2013 - ACS Publications
Sum-frequency-generation (SFG) vibration spectroscopy selectively detects
noncentrosymmetric vibrational modes in crystalline cellulose inside intact lignocellulose …

Elucidation of molecular structures at buried polymer interfaces and biological interfaces using sum frequency generation vibrational spectroscopy

C Zhang, JN Myers, Z Chen - Soft matter, 2013 - pubs.rsc.org
Sum frequency generation (SFG) vibrational spectroscopy has been developed into an
important technique to study surfaces and interfaces. It can probe buried interfaces in situ …

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 …

Proteins at interfaces probed by chiral vibrational sum frequency generation spectroscopy

ECY Yan, Z Wang, L Fu - The Journal of Physical Chemistry B, 2015 - ACS Publications
Characterizations of protein structures at interfaces are important in solving an array of
fundamental and engineering problems, including understanding transmembrane signal …