Vibrational spectroscopy is an essential tool in chemical analyses, biological assays, and
studies of functional materials. Over the past decade, various coherent nonlinear vibrational …

Infrared difference spectroscopy probes vibrational changes of proteins upon their
perturbation. Compared with other spectroscopic methods, it stands out by its sensitivity to …

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Proteins at interfaces play important roles in cell biology, immunology, bioengineering, and
biomimetic material design. Many biological processes are based on interfacial protein …

Proteins exhibit structural fluctuations over decades of time scales. From the picosecond
side chain motions to aggregates that form over the course of minutes, characterizing protein …

IR and Raman (parallel-and perpendicular-polarized) spectra in the OH stretch region for
liquid water were measured some years ago, but their interpretation is still controversial. In …

Potassium channels are responsible for the selective permeation of K+ ions across cell
membranes. K+ ions permeate in single file through the selectivity filter, a narrow pore lined …

We review two-dimensional infrared (2D IR) spectroscopy of the amide I protein backbone
vibration. Amide I modes are known for secondary structural sensitivity derived from their …

In bionanotechnology, the field of creating functional materials consisting of bio-inspired
molecules, the function and shape of a nanostructure only appear through the assembly of …

The first step toward understanding most of the chemical and biological processes in
condensed phases is to accurately describe solute− solvent interaction energy and to …