Macromolecular crowding effects on protein dynamics

N Das, T Khan, B Halder, S Ghosh, P Sen - International Journal of …, 2024 - Elsevier
Macromolecular crowding experiments bridge the gap between in-vivo and in-vitro studies
by mimicking some of the cellular complexities like high viscosity and limited space, while …

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 …

Does Viscosity Decoupling Guarantee Dynamic Heterogeneity? A Clue through an Excitation and Emission Wavelength-Dependent Time-Resolved Fluorescence …

E Tarif, N Das, P Sen - The Journal of Physical Chemistry B, 2023 - ACS Publications
Traditionally, deviation from Stokes–Einstein–Debye (SED) relation in terms of viscosity
dependence of medium dynamics, ie, τ x∝(η T) p with p≠ 1, is taken as a signature of …

Associated water dynamics might be a key factor affecting protein stability in the crowded milieu

N Das, E Tarif, A Dutta, P Sen - The Journal of Physical Chemistry …, 2023 - ACS Publications
Over the past 20 years, the most studied and debated aspect of macromolecular crowding is
how it affects protein stability. Traditionally, it is explained by a delicate balance between the …

Multiple evidences for molecular level heterogeneity in a non-ionic biocatalytic deep eutectic solvent

T Khan, E Tarif, Y Awano, LS Lozada, N Das… - Journal of Molecular …, 2023 - Elsevier
Deep eutectic solvents (DESs) are new-generation solvents with exquisite and tuneable
properties. Molecular-level heterogeneity has been identified as an intriguing feature of such …

Synergistic Chloroform–Methanol Binary Solvent Mixture Is Inherently Spatially and Dynamically Heterogeneous

NS Clovis, S Chaudhury, P Sen - The Journal of Physical …, 2025 - ACS Publications
Nonideality in a binary solvent mixture is manifested through anomalies in various physical
properties like viscosity, dielectric constant, polarity, freezing point, boiling point, and so …

The effect of chrysin binding on the conformational dynamics and unfolding pathway of human serum albumin

I Bisaria, C Chauhan, SA Muthu, S Parvez… - Spectrochimica Acta Part …, 2024 - Elsevier
Studies on the interactions between ligands and proteins provide insights into how a
possible medication alters the structures and activities of the target or carrier proteins. The …

The shift of excitation spectra at blue edge of emission (BEEmS) as a new methodology to probe heterogeneity

N Das, T Khan, P Sen - Chemical Physics, 2024 - Elsevier
Many current methods for detecting molecular-level heterogeneity are complex and require
stringent data analysis, limiting their widespread use. Herein, we propose a novel edge …