Impact and structure of water in aqueous octanol mixtures: Hz-GHz dielectric relaxation measurements and computer simulations

NC Maity, A Baksi, K Kumbhakar, R Biswas - Journal of Photochemistry and …, 2023 - Elsevier
Abstract Temperature (283≤ T/K≤ 323) dependent dielectric relaxation (DR)
measurements of aqueous binary mixtures of octanol at three different water mole fractions …

Using Nuclear Magnetic Resonance Spectroscopy to Probe Hydrogels Formed by Sodium Deoxycholate

P Li, C Malveau, XX Zhu, JD Wuest - Langmuir, 2021 - ACS Publications
Hydrogels of bile acids and their salts are promising materials for drug delivery, cellular
immobilization, and other applications. However, these hydrogels are poorly understood at …

Dynamics of a PEG based non-ionic deep eutectic solvent: Temperature dependence

K Mukherjee, E Tarif, A Barman, R Biswas - Fluid Phase Equilibria, 2017 - Elsevier
Temperature dependent dynamics of a polyethylene glycol based non-ionic deep eutectic
solvent (DES) has been investigated via both dielectric relaxation spectroscopic (DRS), and …

Temperature-dependent dielectric relaxation in ionic acetamide deep eutectics: Partial viscosity decoupling and explanations from the simulated single-particle …

K Mukherjee, S Das, J Rajbangshi, E Tarif… - The Journal of …, 2021 - ACS Publications
We report here temperature-dependent (293≤ T (K)≤ 336) dielectric relaxation (DR)
measurements of (acetamide+ LiBr/NO3–/ClO4–) deep eutectic solvents (DESs) in the …

Determining sequential micellization steps of bile salts with multi-CMC modeling

D Rovnyak, J He, S Kong, KW Eckenroad… - Journal of Colloid and …, 2023 - Elsevier
Hypothesis Bile salts exhibit complex concentration-dependent micellization in aqueous
solution, rooted in a long-standing hypothesis of increasing size in bile aggregation that has …

Interactions and dynamics in aqueous solutions of pH-responsive polymers: A combined fluorescence and dielectric relaxation study

K Kumbhakar, A Dey, A Mondal, P De… - The Journal of Physical …, 2021 - ACS Publications
Interaction and dynamics of aqueous solutions of pH-responsive smart polymers are
investigated via steady-state, time-resolved fluorescence emission spectroscopy with the …

Cloud point driven dynamics in aqueous solutions of thermoresponsive copolymers: are they akin to criticality driven solution dynamics?

K Kumbhakar, B Saha, P De… - The Journal of Physical …, 2019 - ACS Publications
Cloud point driven interaction and relaxation dynamics of aqueous solutions of amphiphilic
thermoresponsive copolymers were explored through picosecond resolved and steady state …

Exploring aqueous solution dynamics of an amphiphilic diblock copolymer: Dielectric relaxation and time-resolved fluorescence measurements

E Tarif, B Saha, K Mukherjee, P De… - The Journal of Physical …, 2019 - ACS Publications
We explore in this work, after synthesizing and appropriately characterizing an amphiphilic
diblock copolymer, its interaction with water molecules and the subsequent aqueous …

Solvent dependent relaxation dynamics in lithium ion battery electrolytes: Coupling to medium friction

K Kumbhakar, E Tarif, K Mukherjee, R Biswas - Journal of Molecular …, 2019 - Elsevier
Solution heterogeneity and dynamics of the industrially relevant electrolyte system,[9.795
{xEC+(1− x) PC}+ 0.869 LiClO 4] with x representing mole fraction, were explored at different …

Dynamics of a PEG based polymer gel Electrolyte: A combined frequency dependent dielectric relaxation and Time-resolved fluorescence spectroscopic study

K Mukherjee, K Kumbhakar, R Biswas - Journal of Molecular Liquids, 2022 - Elsevier
Here we investigate the dynamics of a polyethylene glycol (PEG) based polymer gel
electrolyte (PGE) media and its dependence on polymer concentration and temperature via …