Cryogenic fluorescence spectroscopy of ionic fluorones in gaseous and condensed phases: New light on their intrinsic photophysics

EK Ashworth, J Langeland, MH Stockett… - The Journal of …, 2022 - ACS Publications
Fluorescence spectroscopy of gas-phase ions generated through electrospray ionization is
an emerging technique able to probe intrinsic molecular photophysics directly without …

Photophysics of halogenated fluoresceins: involvement of both intramolecular electron transfer and heavy atom effect in the deactivation of excited states

XF Zhang, I Zhang, L Liu - Photochemistry and photobiology, 2010 - Wiley Online Library
The fluorescence quantum yield (Φf), fluorescence lifetime (τf), intersystem crossing
quantum yield (Φisc) and redox potentials of seven halogenated fluoresceins in their …

Analysis of chemical equilibrium of silicon-substituted fluorescein and its application to develop a scaffold for red fluorescent probes

K Hirabayashi, K Hanaoka, T Takayanagi… - Analytical …, 2015 - ACS Publications
Fluorescein is a representative green fluorophore that has been widely used as a scaffold of
practically useful green fluorescent probes. Here, we report synthesis and characterization …

Rational Design, Synthesis, and Spectroscopic and Photophysical Properties of a Visible‐Light‐Excitable, Ratiometric, Fluorescent Near‐Neutral pH Indicator Based …

N Boens, W Qin, M Baruah… - … A European Journal, 2011 - Wiley Online Library
A visible‐light‐excitable, ratiometric, brightly fluorescent pH indicator for measurements in
the pH range 5–7 has been designed and synthesized by conjugatively linking the BODIPY …

FLIM Strategies for Intracellular Sensing: Fluorescence Lifetime Imaging as a Tool to Quantify Analytes of Interest

MJ Ruedas-Rama, JM Alvarez-Pez, L Crovetto… - Advanced Photon …, 2015 - Springer
Since the very early years of microscopy development, scientists have pursued the ability to
observe live cellular activity in order to probe the processes occurring inside cells in real …

Real-time phosphate sensing in living cells using fluorescence lifetime imaging microscopy (FLIM)

JM Paredes, MD Giron, MJ Ruedas-Rama… - The Journal of …, 2013 - ACS Publications
Phosphate ions play important roles in signal transduction and energy storage in biological
systems. However, robust chemical sensors capable of real-time quantification of phosphate …

The effect of phenyl substitution on the fluorescence characteristics of fluorescein derivatives via intramolecular photoinduced electron transfer

XF Zhang - Photochemical & Photobiological Sciences, 2010 - Springer
UV-vis absorption, steady state fluorescence emission, time-correlated single photon
counting and laser flash photolysis methods were employed to examine the excited state …

Photophysical aspects of molecular probes near nanostructured gold surfaces

SK Ghosh, T Pal - Physical Chemistry Chemical Physics, 2009 - pubs.rsc.org
Highly ordered, self-organized assemblies of organic molecules at surfaces of metal
particles with sizes in the nanometer regime have been a subject of immense interest in …

Medium effects on the prototropic equilibria of fluorescein fluoro derivatives in true and organized solution

NO Mchedlov-Petrossyan… - The Journal of …, 2010 - ACS Publications
The stepwise ionization (H3R+⇄ H2R⇄ HR−⇄ R2−) of four fluorescein fluoro derivatives
was studied by visible spectroscopy. The p K a values were determined in water, in 50 …

Photophysics of a live-cell-marker, red silicon-substituted xanthene dye

L Crovetto, A Orte, JM Paredes, S Resa… - The Journal of …, 2015 - ACS Publications
Dyes with near-red emission are of great interest because of their undoubted advantages for
use as probes in living cells. In-depth knowledge of their photophysics is essential for …