Dependence of the dielectric constant of electrolyte solutions on ionic concentration: A microfield approach

N Gavish, K Promislow - Physical review E, 2016 - APS
We present a microfield approach for studying the dependence of the orientational
polarization of the water in aqueous electrolyte solutions upon the salt concentration and …

Fluorescence turn-on sensing of DNA duplex formation by a tricyclic cytidine analogue

DD Burns, KL Teppang, RW Lee… - Journal of the …, 2017 - ACS Publications
Most fluorescent nucleoside analogues are quenched when base stacked and some
maintain their brightness, but there has been little progress toward developing nucleoside …

2-(Benzothiazol-2-yl) pyren-1-ol, a new excited state intramolecular proton transfer-based fluorescent sensor for nitroaromatic compounds

Y Hu, JF Joung, JE Jeong, Y Jeong, HY Woo… - Sensors and Actuators B …, 2019 - Elsevier
(Benzothiazol-2-yl) pyren-1-ol (P3-NS) was developed as a excited-state intramolecular
proton transfer (ESIPT)-based sensor for nitroaromatic compounds (NACs). Results of …

Reliable experimental method for determination of photoacidity revealed by quantum chemical calculations

JF Joung, M Jeong, S Park - Physical Chemistry Chemical Physics, 2022 - pubs.rsc.org
Photoacids are aromatic acids that exhibit significantly different acidities when they are
electronically excited. Three experimental methods have been extensively used to …

ICT based photoacid probe for microsolvation and H-bonding assisted proton transfer process from solute to solvents

A Shabashini, SK Panja, A Biswas, S Bera… - … of Photochemistry and …, 2022 - Elsevier
Abstract The present work recognises 2-(3, 4-Dihydroxybenzylidene) malononitrile
(Hy34DC) as a photoacid and intramolecular charge transfer (ICT) probe for proton transfer …

Electronic relaxation dynamics of PCDA-PDA studied by transient absorption spectroscopy

JF Joung, J Baek, Y Kim, S Lee, MH Kim… - Physical Chemistry …, 2016 - pubs.rsc.org
Photo-curable polymers originating from 10, 12-pentacosadiynoic acid (PCDA-PDA) are
commonly used polydiacetylenes (PDAs). PCDA-PDA exhibits thermochromic properties …

Ionic effects on the proton transfer mechanism in aqueous solutions

JF Joung, S Kim, S Park - Physical Chemistry Chemical Physics, 2017 - pubs.rsc.org
Proton dissociation (PD) reactions of weak acids and proton transfer (PT) processes in
aqueous solutions are strongly influenced by ions. However, a detailed molecular picture …

Cationic effect on the equilibria and kinetics of the excited-state proton transfer reaction of a photoacid in aqueous solutions

JF Joung, S Kim, S Park - The Journal of Physical Chemistry B, 2018 - ACS Publications
Dissolved ions have a significant effect on the chemical equilibria and kinetics in aqueous
solutions by changing the physical properties and hydrogen bond network of water. In this …

An exceptional fluorescence turn-on nucleoside: Lighting up single-stranded DNA with constant brightness regardless neighboring bases

J Li, L He, J Wen, C Xiong, J Zhou, C Lou, X Huang… - 2024 - chemrxiv.org
Fluorescent nucleobase analogs (FBAs) have proven valuable for studying nucleic acid
structure and dynamics. Regrettably, most FBAs exhibit reduced quantum yields when …

A new visible light triggered Arrhenius photobase and its photo-induced reactions

JF Joung, J Lee, J Hwang, K Choi, S Park - New Journal of Chemistry, 2020 - pubs.rsc.org
Arrhenius photobases are of potential use for excited state hydroxide ion dissociation
(ESHID), photo-induced pOH jump experiments, and base-catalyzed reactions. However …