Browsing by Subject "chemical exchange"

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Cosolvent Effects on Solute–Solvent Hydrogen-Bond Dynamics: Ultrafast 2D IR Investigations

Kashid, Somnath; Jin, Geun Young; Bagchi, Sayan; Kim, Yung Sam (The Journal of Physical Chemistry B, 2015-11-24)

Cosolvents strongly influence the solute–solvent interactions of biomolecules in aqueous environments and have profound effects on the stability and activity of several proteins and enzymes. Experimental studies have ...
Experimental Determination of the Electrostatic Nature of Carbonyl Hydrogen-Bonding Interactions Using IR-NMR Correlations

Kashid, Somnath; Bagchi, Sayan (The Journal of Physical Chemistry Letters, 2014-09-18)

Hydrogen-bonding plays a fundamental role in the structure, function, and dynamics of various chemical and biological systems. Understanding the physical nature of interactions and the role of electrostatics in hydrogen-bonding ...
Two-Dimensional Infrared Spectroscopy Reveals Cosolvent-Composition-Dependent Crossover in Intermolecular Hydrogen-Bond Dynamics

Kashid, Somnath; Geun, Young Jin; Chakrabarty, Suman; Kim, Yung Sam; Bag, Sayan (The Journal of Physical Chemistry Letters, 2017-03-22)

Cosolvents have versatile composition-dependent applications in chemistry and biology. The simultaneous presence of hydrophobic and hydrophilic groups in dimethyl sulfoxide (DMSO), an industrially important amphiphilic ...

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