Altered relaxation dynamics of excited state reactions by confinement in reverse micelles probed by ultrafast fluorescence up-conversion

IA Heisler, SR Meech - Chemical Society Reviews, 2021 - pubs.rsc.org
Chemical reactions in confined environments are important in areas as diverse as
heterogenous catalysis, environmental chemistry and biochemistry, yet they are much less …

Fluorescence correlation spectroscopy: an efficient tool for measuring size, size-distribution and polydispersity of microemulsion droplets in solution

N Pal, SD Verma, MK Singh, S Sen - Analytical chemistry, 2011 - ACS Publications
Fluorescence correlation spectroscopy (FCS) is an ideal tool for measuring molecular
diffusion and size under extremely dilute conditions. However, the power of FCS has not …

Thioflavin-T: A quantum yield-based molecular viscometer for glycerol–monohydroxy alcohol mixtures

P Mukherjee, S Ganai - ACS omega, 2023 - ACS Publications
Molecular rotor dye thioflavin T (ThT) is almost nonfluorescent in low-viscosity solvents but
highly fluorescent when bound to amyloid fibrils. This unique property arises from the …

Two-dimensional electronic-vibrational spectroscopic study of conical intersection dynamics: an experimental and electronic structure study

EC Wu, Q Ge, EA Arsenault, NHC Lewis… - Physical Chemistry …, 2019 - pubs.rsc.org
The relaxation from the lowest singlet excited state of the triphenylmethane dyes, crystal
violet and malachite green, is studied via two-dimensional electronic-vibrational (2DEV) …

Dynamic heterogeneity and viscosity decoupling: origin and analytical prediction

N Das, P Sen - Physical Chemistry Chemical Physics, 2021 - pubs.rsc.org
The molecular-level structure and dynamics decide the functionality of solvent media.
Therefore, a significant amount of effort is being dedicated continually over time in …

Excited State Relaxation Dynamics of Model Green Fluorescent Protein Chromophore Analogs: Evidence for Cis–Trans Isomerism

SR Rather, BK Rajbongshi, NN Nair… - The Journal of …, 2011 - ACS Publications
Two green fluorescent protein (GFP) chromophore analogs (4 Z)-4-(N, N-
dimethylaminobenzylidene)-1-methyl-2-phenyl-1, 4-dihydro-5 H-imidazolin-5-one (DMPI) …

The effect of substrate on thermodynamic and kinetic anisotropies in atomic thin films

A Haji-Akbari, PG Debenedetti - The Journal of chemical physics, 2014 - pubs.aip.org
Glasses have a wide range of technological applications. The recent discovery of ultrastable
glasses that are obtained by depositing the vapor of a glass-forming liquid onto the surface …

Femtosecond excited-state dynamics of 4-nitrophenyl pyrrolidinemethanol: Evidence of twisted intramolecular charge transfer and intersystem crossing involving the …

SR Rather, R Yadav, P Sen - The Journal of Physical Chemistry A, 2011 - ACS Publications
Ultrafast excited-state relaxation dynamics of a nonlinear optical (NLO) dye,(S)-(−)-1-(4-
nitrophenyl)-2-pyrrolidinemethanol (NPP), was carried out under the regime of femtosecond …

Potential toxicity and affinity of triphenylmethane dye malachite green to lysozyme

F Ding, XN Li, JX Diao, Y Sun, L Zhang, L Ma… - Ecotoxicology and …, 2012 - Elsevier
Malachite green is a triphenylmethane dye that is used extensively in many industrial and
aquacultural processes, generating environmental concerns and health problems to human …

Triplet state photophysics of bis (dimethylphenanthroline) copper (I) might involve volume-changing molecular motion: Ultrafast absorption and emission studies

A Dutta, S Bhowmik, P Sen - Chemical Physics Letters, 2024 - Elsevier
Study of triplet photophysics has remained a contemporary field for the last eight decades
due to its wide-ranging applications. Many recent studies deciphered the influence of …