Establishing new mechanisms with triplet and singlet excited-state hydrogen bonding roles in photoinduced liquid dynamics

T Chu, B Liu - International Reviews in Physical Chemistry, 2016 - Taylor & Francis
The interaction between hydrogen donor and acceptor molecules, known well as hydrogen
bonding, forms a ubiquitous network in the natural and synthesis world. The hydrogen …

Excited state proton transfer based fluorescent molecular probes and their application in studying lipid bilayer membranes

M Mohapatra, AK Mishra - Photochemical & Photobiological Sciences, 2019 - pubs.rsc.org
Molecules with ionizable protons, with different proton transfer efficiencies in the excited and
ground states, show excited state prototropism (ESPT). In suitable proton donating/accepting …

Hydrogen bonds between valsartan and solvents (water and methanol): Evidences for solvation dynamics using local energy decomposition and abinitio molecular …

T Pooventhiran, R Thomas - Journal of Molecular Liquids, 2022 - Elsevier
The change in Gibbs energy when an ion or molecule moves from a vacuum to a solvent is
known as solvation energy and solvation is the process of attracting and associating …

Different mechanisms of ultrafast excited state deactivation of coumarin 500 in dioxane and methanol solvents: experimental and theoretical study

L Cong, H Yin, Y Shi, M **, D Ding - RSC advances, 2015 - pubs.rsc.org
Solute–solvent intermolecular photoinduced intramolecular charge transfer (ICT) and
twisted intramolecular charge transfer (TICT) states are proposed to account for the unusual …

A mechanoelastic glimpse on hyaluronan-coated extracellular vesicles

D Paul, A Paul, D Mukherjee, S Saroj… - The Journal of …, 2022 - ACS Publications
Cancer cells secrete extracellular vesicles (EVs) covered with a carbohydrate polymer,
hyaluronan (HA), linked to tumor malignancy. Herein, we have unravelled the contour …

Direct observation of coupling between structural fluctuation and ultrafast hydration dynamics of fluorescent probes in anionic micelles

S Choudhury, PK Mondal, VK Sharma… - The Journal of …, 2015 - ACS Publications
The coupling of structural fluctuation and the dynamics of associated water molecules of
biological macromolecules is vital for various biological activities. Although a number of …

Detection of hydrogen sulfide through photoluminescence quenching of penicillamine-copper nanocluster aggregates

JY Ma, PC Chen, HT Chang - Nanotechnology, 2014 - iopscience.iop.org
We have developed a one-pot, inexpensive, simple and rapid method to synthesize
photoluminescent copper nanocluster (Cu NC) aggregates from Cu 2+ ions in 65%(vv− 1) …

[HTML][HTML] Excited-state intramolecular proton transfer of 2-acetylindan-1, 3-dione studied by ultrafast absorption and fluorescence spectroscopy

PK Verma, A Steinbacher, A Schmiedel… - Structural …, 2016 - pubs.aip.org
We employ transient absorption from the deep-UV to the visible region and fluorescence
upconversion to investigate the photoinduced excited-state intramolecular proton-transfer …

Solvatofluorochromism of polyethyleneimine-encapsulated Ag nanoclusters and their concentration-dependent fluorescence

F Qu, LL Dou, NB Li, HQ Luo - Journal of Materials Chemistry C, 2013 - pubs.rsc.org
The solvatochromism of metal nanoclusters is still a highly debatable topic. In this work,
based on hyperbranched polyethyleneimine (PEI)-encapsulated Ag nanoclusters, we …

Prototropic transformation and rotational–relaxation dynamics of a biological photosensitizer norharmane inside nonionic micellar aggregates

BK Paul, N Ghosh, S Mukherjee - The Journal of Physical …, 2014 - ACS Publications
The effect of variation of the size of headgroup as well as the length of hydrocarbon tail of
nonionic surfactants on the photophysics and rotational-relaxation dynamics of a promising …