Atomic-and molecular-resolution mapping of solid–liquid interfaces by 3D atomic force microscopy

T Fukuma, R Garcia - ACS nano, 2018 - ACS Publications
Hydration layers are ubiquitous in life and technology. Hence, interfacial aqueous layers
have a central role in a wide range of phenomena from materials science to molecular and …

From structure and dynamics to biomolecular functions: The ubiquitous role of solvent in biology

S Mondal, B Bagchi - Current Opinion in Structural Biology, 2022 - Elsevier
Biological activity requires a solvent that can provide a suitable environment, which satisfies
the twin need for stability and the ability to change. Among all the solvents water plays the …

Understanding the intricacy of protein in hydrated deep eutectic solvent: Solvation dynamics, conformational fluctuation dynamics, and stability

T Khan, N Das, KS Negi, S Bhowmik, P Sen - International Journal of …, 2023 - Elsevier
Deep eutectic solvents (DESs) are potential biocatalytic media due to their easy preparation,
fine-tuneability, biocompatibility, and most importantly, due to their ability to keep protein …

Anomalous dielectric response of nanoconfined water

S Mondal, B Bagchi - The Journal of Chemical Physics, 2021 - pubs.aip.org
In order to develop a microscopic level understanding of the anomalous dielectric properties
of nanoconfined water (NCW), we study and compare three different systems, namely,(i) …

Water layer at hydrophobic surface: Electrically dead but dynamically alive?

S Mondal, B Bagchi - Nano Letters, 2020 - ACS Publications
The origin of the anomalous low value of the static dielectric constant (SDC) of confined
water has been addressed and unearthed. While the low value is partly due to the different …

High-precision megahertz-to-terahertz dielectric spectroscopy of protein collective motions and hydration dynamics

A Charkhesht, CK Regmi… - The Journal of …, 2018 - ACS Publications
The low-frequency collective vibrational modes in proteins as well as the protein–water
interface have been suggested as dominant factors controlling the efficiency of biochemical …

Water in carbon nanotubes: Pronounced anisotropy in dielectric dispersion and its microscopic origin

S Mondal, B Bagchi - The Journal of Physical Chemistry Letters, 2019 - ACS Publications
We report a remarkable anisotropy in the dielectric properties of water under cylindrical
nanoconfinements in carbon nanotubes (CNTs). We employ linear response theory and use …

Spatially resolved hydration thermodynamics in biomolecular systems

S Mukherjee, LV Schäfer - The Journal of Physical Chemistry B, 2022 - ACS Publications
Water is essential for the structure, dynamics, energetics, and thus the function of
biomolecules. It is a formidable challenge to elicit, in microscopic detail, the role of the …

Role of hydration water in the onset of protein structural dynamics

G Schirò, M Weik - Journal of Physics: Condensed Matter, 2019 - iopscience.iop.org
Proteins are the molecular workhorses in a living organism. Their 3D structures are
animated by a multitude of equilibrium fluctuations and specific out-of-equilibrium motions …

What gives an insulin hexamer its unique shape and stability? Role of ten confined water molecules

S Mukherjee, S Mondal, AA Deshmukh… - The Journal of …, 2018 - ACS Publications
Self-assembly of proteins often gives rise to interesting quasi-stable structures that serve
important biological purposes. Insulin hexamer is such an assembly. While monomer is the …