Excited-state proton coupled charge transfer modulated by molecular structure and media polarization

AP Demchenko, KC Tang, PT Chou - Chemical Society Reviews, 2013 - pubs.rsc.org
Charge and proton transfer reactions in the excited states of organic dyes can be coupled in
many different ways. Despite the complementarity of charges, they can occur on different …

The concept of λ-ratiometry in fluorescence sensing and imaging

AP Demchenko - Journal of fluorescence, 2010 - Springer
Very limited number of parameters is available for fluorescence sensing and imaging. The
changes of intensity are of low analytical value due to the absence of internal reference …

Harnessing excited-state intramolecular proton-transfer reaction via a series of amino-type hydrogen-bonding molecules

HW Tseng, JQ Liu, YA Chen, CM Chao… - The Journal of …, 2015 - ACS Publications
A series of new amino (NH)-type hydrogen-bonding (H-bonding) compounds comprising 2-
(2′-aminophenyl) benzothiazole and its extensive derivatives were designed and …

The role of hydrogen bonding in excited state intramolecular charge transfer

FAS Chipem, A Mishra… - Physical Chemistry …, 2012 - pubs.rsc.org
Intramolecular charge transfer (ICT) that occurs upon photoexcitation of molecules is a vital
process in nature and it has ample applications in chemistry and biology. The ICT process of …

Ultrafast internal conversion pathway and mechanism in 2-(2′-hydroxyphenyl) benzothiazole: a case study for excited-state intramolecular proton transfer systems

M Barbatti, AJA Aquino, H Lischka… - Physical Chemistry …, 2009 - pubs.rsc.org
We study the ultrafast electronic relaxation of the proton transfer compound 2-(2′-
hydroxyphenyl) benzothiazole (HBT) in a joint approach of femtosecond pump–probe …

Fluorescent coumarin derivatives with large stokes shift, dual emission and solid state luminescent properties: An experimental and theoretical study

L **e, Y Chen, W Wu, H Guo, J Zhao, X Yu - Dyes and Pigments, 2012 - Elsevier
Coumarin derivatives containing 8-benzothiazole (C-2) and its difluoroboron bound
derivative (C-3) were prepared. Both derivatives show dual emission at 322nm and 513nm …

Photophysical study of Thioflavin T as fluorescence marker of amyloid fibrils

S Freire, MH de Araujo, W Al-Soufi, M Novo - Dyes and Pigments, 2014 - Elsevier
Thioflavin T is a highly sensitive fluorescent marker of amyloid fibrils that has been widely
used for in vitro biomedical assays. However, neither its complex photophysical behavior …

Fluorescent zinc sensor with minimized proton-induced interferences: photophysical mechanism for fluorescence turn-on response and detection of endogenous free …

JE Kwon, S Lee, Y You, KH Baek, K Ohkubo… - Inorganic …, 2012 - ACS Publications
A new fluorescent zinc sensor (HNBO–DPA) consisting of 2-(2′-hydroxy-3′-naphthyl)
benzoxazole (HNBO) chromophore and a di (2-picolyl) amine (DPA) metal chelator has …

Accessing the long-lived triplet excited states in bodipy-conjugated 2-(2-hydroxyphenyl) benzothiazole/benzoxazoles and applications as organic triplet …

P Yang, J Zhao, W Wu, X Yu, Y Liu - The Journal of Organic …, 2012 - ACS Publications
Bodipy derivatives containing excited state intramolecular proton transfer (ESIPT)
chromophores 2-(2-hydroxyphenyl) benzothiazole and benzoxazole (HBT and HBO) …

2-(2-hydroxyphenyl)-benzothiazole (HBT)-rhodamine dyad: acid-switchable absorption and fluorescence of excited-state intramolecular proton transfer (ESIPT)

P Majumdar, J Zhao - The Journal of Physical Chemistry B, 2015 - ACS Publications
Dyad was prepared by link rhodamine and excited state intramolecular proton transfer
(ESIPT) chromophore 2-(2-hydroxyphenyl)-benzothiazole (HBT) using Click reaction, with …