Dielectric relaxation and solvation dynamics of water in complex chemical and biological systems

N Nandi, K Bhattacharyya, B Bagchi - Chemical Reviews, 2000 - ACS Publications
Because of its unique properties, water drives many natural and biological processes. While
a detailed understanding of its precise role is still being unravelled, it is clear that the …

Ionic mobility and ultrafast solvation: Control of a slow phenomenon by fast dynamics

B Bagchi, R Biswas - Accounts of Chemical Research, 1998 - eprints.iisc.ac.in
What determines the ionic conductivity of an electrolyte solution has remained a problem of
great interest to chemists for more than a century. 1-3 Such long-standing interest stems not …

On the (uninteresting) dependence of the absorption and emission transition moments of coumarin 153 on solvent

JE Lewis, M Maroncelli - Chemical Physics Letters, 1998 - Elsevier
The absorption and emission transition moments of coumarin 153 as well as fluorescence
lifetimes and quantum yields were measured over a broad range of solvents in which the …

Solvent Effects in Nonadiabatic Electron‐Transfer Reactions: Theoretical Aspects

AV Barzykin, PA Frantsuzov, K Seki… - Advances in Chemical …, 2002 - Wiley Online Library
In this chapter our main emphasis is on homogeneous solutions. Biological applications are
mentioned briefly. After summarizing the Golden Rule results, we focus on the effects of …

Dielectric relaxations of (acetamide+ electrolyte) deep eutectic solvents in the frequency window, 0.2≤ ν/GHz≤ 50: Anion and cation dependence

K Mukherjee, A Das, S Choudhury… - The Journal of …, 2015 - ACS Publications
Dielectric relaxation (DR) measurements in the frequency range 0.2≤ ν/GHz≤ 50 have
been carried out for neat molten acetamide and six different (acetamide+ electrolyte) deep …

Dynamic solvent control of a reaction in ionic deep eutectic solvents: Time-resolved fluorescence measurements of reactive and nonreactive dynamics in (choline …

A Das, R Biswas - The Journal of Physical Chemistry B, 2015 - ACS Publications
Dynamic fluorescence anisotropy and Stokes shift measurements of [f choline chloride+(1–f)
urea)] deep eutectic solvents at f= 0.33 and 0.40 have been carried out using a dipolar …

Solvent reorganization energy of electron-transfer reactions in polar solvents

DV Matyushov - The Journal of chemical physics, 2004 - pubs.aip.org
In the course of an electron-transfer ET reaction the center of localization of the transferred
electron is shifted from the donor to the acceptor. This creates a difference electric field E0 (r) …

Medium decoupling of dynamics at temperatures∼ 100 K above glass-transition temperature: A case study with (acetamide+ lithium bromide/nitrate) melts

B Guchhait, S Daschakraborty, R Biswas - The Journal of Chemical …, 2012 - pubs.aip.org
Time-resolved fluorescence Stokes shift and anisotropy measurements using a solvation
probe in [0.78 CH 3 CONH 2+ 0.22 {f LiBr+(1-f) LiNO 3}] melts reveal a strong decoupling of …

Fluorescence spectroscopic studies of (acetamide+ sodium/potassium thiocyanates) molten mixtures: Composition and temperature dependence

B Guchhait, H Al Rasid Gazi, HK Kashyap… - The Journal of …, 2010 - ACS Publications
Steady state and time-resolved fluorescence spectroscopic techniques have been used to
explore the Stokes' shift dynamics and rotational relaxation of a dipolar solute probe in …

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 …