Regulating enol–keto tautomerism at the single-molecule level with a confined optical field

Adila Adijiang, Yunlong Ge, Hefa Feng, Yan Yan, Xin Zuo, Haoyu Wang, Xueyan Zhao, Min Tan, Surong Zhang, Xiaona Xu, Lichuan Chen, Chuankui Wang, Zongliang Li and Dong Xiang

Chem. Sci., 2025, 16, 17850
DOI: 10.1039/D5SC06085K

A brand-new type of excited-state proton transfer (ESIPT) molecule based on sulfoxide/sulfenic acid tautomerism

Rongchuan Su and Zhenmei Huang

Phys. Chem. Chem. Phys., 2023, 25, 27566
DOI: 10.1039/D3CP02624H

ESIPT-active columnar liquid crystal: organic dyes and quantum dots-assisted fluorescence modulation

Shikha Agarwal, Santosh Y. Khatavi, Bhupendra Pratap Singh, Madhu Babu Kanakala, Pralay Kumar Santra, Sandeep Kumar, Chi-Yen Huang, Channabasaveshwar V. Yelamaggad and Rajiv Manohar

J. Mater. Chem. C, 2024, 12, 13609
DOI: 10.1039/D4TC01492H

Insights into ESIPT-induced multicolor fluorescence emission in 2-(2′-hydroxy-5′-bromo)phenylbenzimidazole: a spectroscopic and TDDFT study

Yumeng Wang, Mingxia Hu, Qianqian Yue, Feng Xiaoqing and Yanying Zhao

RSC Adv., 2024, 14, 39759
DOI: 10.1039/D4RA06147K

Excited-state dynamics of 4-hydroxyisoindoline-1,3-dione and its derivative as fluorescent probes

Li Zhao, Simin Jiang, Yanmei He, Luling Wu, Tony D. James and Junsheng Chen

Phys. Chem. Chem. Phys., 2024, 26, 13506
DOI: 10.1039/D3CP05777A

Circularly polarized luminescence of natural products lycorine and narciclasine: role of excited-state intramolecular proton-transfer and test of pH sensitivity

Giuseppe Mazzeo, Marco Fusè, Antonio Evidente, Sergio Abbate and Giovanna Longhi

Phys. Chem. Chem. Phys., 2023, 25, 22700
DOI: 10.1039/D3CP02600K

Effect of external electric fields on the ESDPT process and photophysical properties of 1,8-dihydroxy-2-naphthaldehyde

Xingzhu Tang, Yajie Zhang and Chaofan Sun

Phys. Chem. Chem. Phys., 2024, 26, 10439
DOI: 10.1039/D3CP06175B

Tetrasubstituted imidazole-based multifunctional fluorophores: trace water detection and lipid droplet (LD) imaging studies

Mohammad Masood Zafar, Rashmi Yadav, Alok Singh, Nidhi Tyagi, Animesh Samanta and Rakesh K. Mishra

Chem. Commun., 2025, 61, 9091
DOI: 10.1039/D4CC06435F

Hydrazone fluorescent sensors for the monitoring of toxic metals involved in human health from 2014–2024

Alexander Ciupa

RSC Adv., 2025, 15, 3465
DOI: 10.1039/D4RA09068C

An ESIPT-based AIE fluorescent probe to visualize mitochondrial hydrogen peroxide and its application in living cells and rheumatoid arthritis

Shibo Zhong, Shuai Huang, Bin Feng, Ting Luo, Feiyi Chu, Fan Zheng, Yingli Zhu, Fei Chen and Wenbin Zeng

Org. Biomol. Chem., 2023, 21, 5063
DOI: 10.1039/D3OB00546A

Multisite-complexation-regulating solvent-dependent monomolecular chemosensor for the quantification of Fe3+/ClO− and rapid detection of Al3+/Cr3+/Cu2+

Jiaojiao Wang, Yanyan Gao, Yuexing Zhang, Dongmei Xu, Zongxin Li, Yifei Su, Fang Wang, Ning Zhang, Daopeng Zhang, Kang Wang and Yuting Chen

New J. Chem., 2025, 49, 9133
DOI: 10.1039/D5NJ00879D

ESIPT-based probes for cations, anions and neutral species: recent progress, multidisciplinary applications and future perspectives

Nidhi Nehra and Rahul Kaushik

Anal. Methods, 2023, 15, 5268
DOI: 10.1039/D3AY01249B

Computational unveiling of solvent-polarity-dependent ESDPT behavior in typical asymmetric PIQ fluorophores

Zibo Shen, Chang Liu, Jinfeng Zhao and Jiahe Chen

Phys. Chem. Chem. Phys., 2025, 27, 25613
DOI: 10.1039/D5CP03573B

Investigation of the photochemical behavior of allomaltol-containing 2-aminothiazole derivatives

Alexander V. Migulin, Constantine V. Milyutin, Boris V. Lichitsky, Stepan M. Korobkov and Andrey N. Komogortsev

Org. Biomol. Chem., 2025, 23, 4172
DOI: 10.1039/D5OB00264H

Photo-gated polymer mechanochromism from excited-state intramolecular proton transfer

Xin Cheng, Huan Hu, Yu Wu, Zhimin Ma and Zhiyong Ma

Chem. Commun., 2023, 59, 7236
DOI: 10.1039/D3CC01900D

Excited-state intramolecular proton-transfer solid-state fluorophores with aggregation-induced emission as efficient emitters for electroluminescent devices

Sujinda Petdee, Nuttapong Chantanop, Suangsiri Arunlimsawat, Atthapon Saenubol, Phattananawee Nalaoh, Taweesak Sudyoadsuk and Vinich Promarak

CrystEngComm, 2024, 26, 4698
DOI: 10.1039/D4CE00660G

Comparative analysis of monomeric vs. dimeric salen fluorescent probes: transition from a turn-on to ratiometric response towards nerve gas agents in organic to aqueous media

Sourav Mondal and Nilanjan Dey

Mater. Adv., 2025, 6, 977
DOI: 10.1039/D4MA01016G

Theoretical investigation of the excited-state intramolecular double proton transfer process of 2,2′-(benzo[1,2-d:4,5-d′]bis(thiazole)-2,6-diyl)diphenol

Yongchao Hao, Xiaoran Li, Hongfang Li, Shanyan Chang, Jiangyu Zhang and Lili Dong

RSC Adv., 2024, 14, 26239
DOI: 10.1039/D4RA04553J

Nanomaterial-enhanced fluorescence sensors for dopamine neurotransmitters: a photophysical perspective

Rajib Pramanik

Anal. Methods, 2025, 17, 4251
DOI: 10.1039/D5AY00300H

An in situ ratiometric fluorescence immunosensor via Mn2+-triggered aggregation-induced emission transformation of levodopa fluorescent copolymer nanoparticles

Yifei Ma, Xiaoxue Liu, Naidi Yang, Changpeng Zou, Yujie Sun, Guichuan Xing, Jinhua Liu, Zhihui Xu and Fenghua Geng

Anal. Methods, 2024, 16, 6676
DOI: 10.1039/D4AY00973H

A mitochondria-targeted far-red AIE fluorescent probe for distinguishing between mitophagy and ferroptosis in cancer cells

Liyuan Sun, Mengfei Zou, Longjie Du, Shugang Wang, Ru Ding, Keliang Lu, Jianchun Li and Jin Zhou

Chem. Commun., 2023, 59, 12735
DOI: 10.1039/D3CC03923D

ESIPT fluorescence turn-on sensors for detection of short chain inorganic polyphosphate in water

Subhra Kanti Roy, Sandra Moser, Tobias Dürr-Mayer, Rahel Hinkelmann and Henning J. Jessen

Org. Biomol. Chem., 2025, 23, 1373
DOI: 10.1039/D4OB01926A

Photoactive glycoconjugates with a very large Stokes shift: synthesis, photophysics, and copper(ii) and BSA sensing

Cláudia Brito da Silva, Luana Silva, Natalí Pires Debia, Otávio Augusto Chaves, Diogo Seibert Lüdtke and Fabiano Severo Rodembusch

Org. Biomol. Chem., 2023, 21, 9242
DOI: 10.1039/D3OB01388J

Isoindoline-based fluorogenic probes bearing a self-immolative linker for the sensitive and selective detection of O-GlcNAcase activity

Yuan-Hao Wu, Guan-Jun Wang, Chen Guo, Pei-Pei Wang, Jun-Yi Wang, Xi-Le Hu, Yi Zang, Tony D. James, Jia Li and Xiao-Peng He

Chem. Commun., 2024, 60, 8240
DOI: 10.1039/D4CC02845G

Tracking ferroptosis in stroke models via an ESIPT-based near-infrared fluorescent probe for real-time monitoring of mitochondrial GSH dynamics

Weibo Wang, Yichen Xu, Yingying Lu, Jiao Zhao and Pengcheng Wang

Bioorganic Chemistry, 2026, 172, 109597
DOI: 10.1016/j.bioorg.2026.109597

An activatable “AIE + ESIPT” fluorescent probe for dual-imaging of lipid droplets and hydrogen peroxide in drug-induced liver injury model

Wantao Liao, Chunzheng Wang, Ruiya Wang, Mengzhao Wu, Lanqing Li, Pengjie Chao, Jinhui Hu and Wen-Hua Chen

Analytica Chimica Acta, 2025, 1335, 343442
DOI: 10.1016/j.aca.2024.343442

Design strategies of fluorescent covalent organic frameworks and visual on-site monitoring of food freshness: A state-of-the-art review

Dianwei Zhang, Kexin Li, Shengnan Wang, Yuanchen Ma and Huilin Liu

TrAC Trends in Analytical Chemistry, 2025, 187, 118226
DOI: 10.1016/j.trac.2025.118226

Light-Assisted Akamptisomerization: Excited-State Bond-Angle Reflection (ESBAR) as a Molecular Photoswitching Element in B2OF2–Porphyrins

Karine N. de Andrade, Jhonathan Rosa de Souza, Paula Homem-de-Mello and Rodolfo G. Fiorot

Inorg. Chem., 2026, 65, 7093
DOI: 10.1021/acs.inorgchem.6c00108

Simple and multiparametric approaches to correlate the solvent effect on the spectroscopic and kinetic parameters of diphenylamine

Sergio M. Bonesi and Stefano Protti

Photochem Photobiol Sci, 2025, 24, 1159
DOI: 10.1007/s43630-025-00752-5

Solvent-controlled excited-state intramolecular proton transfer in 4-methoxy tetramic acid derivative

Xinwei Liu, Jiaqi Song, Meiheng Lv, Xintian Liu, Hongyang Liu and Wenze Li

Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy, 2026, 350, 127429
DOI: 10.1016/j.saa.2025.127429

Pattern Recognition and Visual Detection of Aldehydes Using a Single ESIPT Dye

Liangfei Fan, Weiyi Li, Dongmin Jia, Weihua Zhang and Yubin Ding

Anal. Chem., 2023, 95, 12284
DOI: 10.1021/acs.analchem.3c01231

Impact and Interplay of Quantum Coherence and Dissipative Dynamics for Isotope Effects in Excited-State Intramolecular Proton Transfer

Brieuc Le Dé, Simon Huppert, Riccardo Spezia and Alex W. Chin

J. Phys. Chem. Lett., 2025, 16, 2514
DOI: 10.1021/acs.jpclett.4c03665

Pnictogen‐Bridged Sulfoximines: Effects of Element and N‐Substituent on Excited‐State Dynamics

Koki Mizuta, Haruki Shimoji, Toshiki Fujii, Shunsuke Yamamoto, Hideo Ohkita, Kensuke Naka and Hiroaki Imoto

ChemPhotoChem, 2025, 9
DOI: 10.1002/cptc.202400336

Interactions-stabilized metastable trans-isomers and force-induced ESIPT release

Yiming Li, Zefeng Han, Hao Gu, Yuanbo Wang, Sheng Lu, Fang Wang and Xiaoqiang Chen

Dyes and Pigments, 2025, 235, 112560
DOI: 10.1016/j.dyepig.2024.112560

Photophysical properties of the fluorescent probe NHI for the detection of phosgene based on ESIPT process: A DFT/TD-DFT study

Yuqi Wang, Ziqi Zhao, Xingzhu Tang, Dapeng Yang and Chaofan Sun

Chemical Physics Letters, 2025, 878, 142349
DOI: 10.1016/j.cplett.2025.142349

Varying Nonadiabaticity in the Excited-State Intramolecular Proton Transfer Tautomers of Bispyrroleindigo

Anshuman Bera and Sivaranjana Reddy Vennapusa

J. Phys. Chem. A, 2026, 130, 23
DOI: 10.1021/acs.jpca.5c04645

Dual-State Fluorescence in Some Salicylaldehyde-triphenylene Discotic Liquid Crystal Derivatives Induced by Excited State Intramolecular Proton Transfer

Chongyang Zeng, Haifeng Wang, Bi-Qin Wang, Ping Hu, Ke-Qing Zhao and Bertrand Donnio

Chem. Mater., 2024, 36, 7306
DOI: 10.1021/acs.chemmater.4c01213

A novel flavone-based fluorescent probe for hydrazine detection in aqueous, soil and cell environments

Aysenur Cataler Karakus and Erman Karakuş

Journal of Hazardous Materials Advances, 2026, 21, 101083
DOI: 10.1016/j.hazadv.2026.101083

Exploring Excited State Proton Transfer Dynamics upon Ultraviolet Excitation

Nidhi Kaul, Alfy Benny, Vasilis Petropoulos, Michał Maj, Giulio Cerullo, Margherita Maiuri and Gregory D. Scholes

J. Phys. Chem. A, 2026, 130, 2566
DOI: 10.1021/acs.jpca.5c08622

A novel ESIPT fluorescent probe based on 3-hydroxyphthalimide derivative for detection of alkaline phosphatase activity in aqueous solution and living cells

Zhiling Cao, Siyi Xia, Yang Yu, Ling Zhang, Jianye Wang, Xudong Yu, Rongbin Wei and Dahua Shi

Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy, 2026, 349, 127353
DOI: 10.1016/j.saa.2025.127353

Hydrogen-Bonded Thiol Undergoes Unconventional Excited-State Intramolecular Proton-Transfer Reactions

Jian-Kai Wang, Chih-Hsing Wang, Chi-Chi Wu, Kai-Hsin Chang, Chun-Hsiang Wang, Yi-Hung Liu, Chao-Tsen Chen and Pi-Tai Chou

J. Am. Chem. Soc., 2024, 146, 3125
DOI: 10.1021/jacs.3c10405

Recent advances in the development of fluorescent probes for γ‐glutamyltranspeptidase

Ze-Yang Hu, Xu-Yang Chen, Yu-Shun Yang, Sheng-Jun Wang, Zhi-Gang Hu and Kai Wang

Coordination Chemistry Reviews, 2024, 501, 215562
DOI: 10.1016/j.ccr.2023.215562

Solid-State Luminescence with a Large Stokes Shift in Starch Functionalized with Low-Content ESIPT Dye

Emerson Colonetti, Lilian C. da Luz and Fabiano S. Rodembusch

Colorants, 2024, 3, 99
DOI: 10.3390/colorants3020007

Synergistic modulation of structural isomerism and intramolecular charge transfer in fluorescent probes for highly efficient and long-term ratiometric monitoring of the nerve agent simulant DCP

Chenxi Zhao, Wenjing Liu, Wenzhao Wang, Kuo Lv, Feng Li and Ming Zhang

Journal of Hazardous Materials, 2026, 503, 141166
DOI: 10.1016/j.jhazmat.2026.141166

A smart photosensitive fluorescent probe for sensing Co2+ in extremely alkaline aqueous solution

Yiming Zhang, Yujie Wang, Ruilin Shi, Bingxuan Huang, Shaoyin Wei, Yuji Wang and Nao Xiao

Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy, 2025, 337, 126159
DOI: 10.1016/j.saa.2025.126159

Tail-Assisted Excited-State Intramolecular Proton Transfer (ta-ESIPT) Fluorophores: A Universal Ratiometric Platform for Hydration-Sensitive Biomolecular Imaging and Sensing

Qinglong Qiao, Chao Wang, Hanlixin Wang, Yiyan Ruan, Wenjuan Liu, Jie Chen, Zhimin Wu, Xiaogang Liu and Zhaochao Xu

J. Am. Chem. Soc., 2025, 147, 15602
DOI: 10.1021/jacs.5c02725

Green Multicomponent One‐Pot Synthesis of 2‐(2′‐Hydroxyphenyl)Imidazo[1,2‐a]Pyridine Analogs with an Intramolecular Hydrogen‐Bonded Eight‐Membered Ring Exhibiting Excited‐State Intramolecular Proton Transfer Luminescence

Mahanandaiah Kurva, David Calderón‐Rangel, Alejandro Corona‐Díaz, Kranty G. Kishore, Ángel Rentería‐Gómez, Gabriel Ramos‐Ortíz and Rocío Gámez‐Montaño

Eur J Org Chem, 2025, 28
DOI: 10.1002/ejoc.202500630

Lysosome-targeted flavonoid ESIPT sensor for the selective sensing of UO22+ in pure water solutions and cell imaging

Qinghua Hu, Wenjuan Liu, Cen Tang, Xianghe Kong, Rong Hu and Hongqing Wang

Sensors and Actuators B: Chemical, 2024, 417, 136181
DOI: 10.1016/j.snb.2024.136181

Dicyanisophorone-based viscosity fluorescent probe and its fluorescence imaging in cells and zebrafish

Deling Zhang, Jiaxin Fan, Bin Lin and Yifeng Han

Tetrahedron Letters, 2024, 146, 155207
DOI: 10.1016/j.tetlet.2024.155207

Cutting-edge advances in colorimetric and fluorescent chemosensors for detecting lethal cyanide ion: A comprehensive review

Charles Immanuel David and Hyung-il Lee

Microchemical Journal, 2024, 200, 110359
DOI: 10.1016/j.microc.2024.110359

Advances in small organic molecule fluorescent probes for formaldehyde detection and imaging in pathophysiological processes: A comprehensive review

Tong-Tong Jia, Guohui Kang, Lirong Jiang, Zhaozhou Li, Rui Zhao, Jian-Hua Qin, Huawei Niu and Lu-Fang Ma

TrAC Trends in Analytical Chemistry, 2025, 191, 118338
DOI: 10.1016/j.trac.2025.118338

Substituent Position Effect on Excited-State Intramolecular Proton Transfer and Twisting Reaction of Salicylideneaniline Derivatives

Xia-Yu Cheng, Tong-Shu Zhang, Zong-Liang Li and Ke Zhao

J. Phys. Chem. B, 2025, 129, 6061
DOI: 10.1021/acs.jpcb.5c02338

NMR-based structural analysis of ESIPT-reactive 2-(2′‑hydroxy-3′-methylphenyl)benzazoles and their formyl derivatives

Lilian Camargo da Luz, Vitor Presa Toledo, Fabiano Severo Rodembusch and Leandro Scorsin

Journal of Molecular Structure, 2025, 1345, 143103
DOI: 10.1016/j.molstruc.2025.143103

An effective HBT/indanone-based fluorescent probe for cysteine detection in cells

Wenyi Liao, Shuwei Zhang, Xuewen Wang, Yuyuan Sun, Ting Wang, Huaqian Xu, Yu Yuan, Gang Chen and Xiaodong Jia

Dyes and Pigments, 2023, 219, 111649
DOI: 10.1016/j.dyepig.2023.111649

Excitation-wavelength-dependent excited state proton transfer in an aromatically π-conjugated AIE system: A spectroscopic study and mechanistic insight

Chuchu Yang, Mingxia Hu, Xiaoqing Feng, Yu Li, Chao Li, Tengteng Chen and Yanying Zhao

Journal of Photochemistry and Photobiology A: Chemistry, 2025, 468, 116482
DOI: 10.1016/j.jphotochem.2025.116482

Theoretical study on the excited-state intramolecular proton transfer mechanism of benzothiazole-spiropyran

Yong Xia, Liyan Jiang and Sha Ding

Journal of Photochemistry and Photobiology A: Chemistry, 2026, 478, 117240
DOI: 10.1016/j.jphotochem.2026.117240

A novel “AND” logic platform based on ICT and FRET for constructing near-infrared dual-locked fluorescence probe

Jian Qiang, Zefeng Han, Ziwei Guo, Yanru Wang, Yajing Li, Sheng Lu, Fang Wang and Xiaoqiang Chen

Dyes and Pigments, 2024, 229, 112292
DOI: 10.1016/j.dyepig.2024.112292

Mechanism of proton transfer in regulating fluorescence properties of organic molecules

Tongshu ZHANG, Zongliang LI and Ke ZHAO

Acta Phys. Sin., 2026, 75, 0
DOI: 10.7498/aps.75.20251564

Impact of aryl extension on the proton-triggered transition switch in azaheterocycle-functionalized ESIPT fluorophores

Timothée Stoerkler, Théo Andris, Gilles Ulrich, Adèle D. Laurent, Denis Jacquemin and Julien Massue

Dyes and Pigments, 2025, 242, 112975
DOI: 10.1016/j.dyepig.2025.112975

Dual-emission fluorescent probe with sequential two-step ESIPT activation mechanism for selective hydrazine detection and multifunctional applications

Hanxun Zou, Guoming Lin, Yuxuan Bao, Jie Liang, Yunyun Li, Lifeng Cai, Han-Ying Wu, Fan Yang, Hang Chen, Xiuchun Lin, Yi-Hong Xiao, Lei Yang, Jianhui Huang and Yu Hai

Journal of Hazardous Materials, 2025, 493, 138388
DOI: 10.1016/j.jhazmat.2025.138388

Molecular Switches Guided by a Reversible Access to Room-Temperature Phosphorescence and ESIPT Fluorescence

Vyacheslav E. Olennikov, Valentina V. Zvereva, Vladimir V. Kriventsov, Sergey N. Konchenko and Taisiya S. Sukhikh

Inorg. Chem., 2025, 64, 6964
DOI: 10.1021/acs.inorgchem.5c00222

Review on Synthesis of 2-(2-Hydroxyaryl) Benzothiazoles (HBT) for Excited-State Intra-molecular Proton Transfer (ESIPT)-Based Detection of Ions and Biomolecules

Amandeep Kaur and R. P. Chaudhary

Top Curr Chem (Z), 2024, 382
DOI: 10.1007/s41061-024-00472-x

Excited-state antioxidant activity for apigenin based on external electric field-modulated ESIPT behavior: TD-DFT and molecular docking calculations

Xingzhu Tang, Ye Wang, Lingling Wang, Yajie Zhang and Chaofan Sun

Journal of Photochemistry and Photobiology B: Biology, 2025, 262, 113087
DOI: 10.1016/j.jphotobiol.2024.113087

Insights into chalcogen-substitution-associated ESDPT behaviors for 2,7-bis-(5-ethyl-benzooxazol-2-yl)-pyrene-1,6-diol fluorophore: A computational investigation

Jiahe Chen, Jimin Liu, Chang Liu, Zhan Zhao and Jinfeng Zhao

Computational and Theoretical Chemistry, 2026, 1260, 115804
DOI: 10.1016/j.comptc.2026.115804

Recent Progress in the Rational Design of Biothiol-Responsive Fluorescent Probes

Wenzhi Xie, Jinyu Jiang, Dunji Shu, Yanjun Zhang, Sheng Yang and Kai Zhang

Molecules, 2023, 28, 4252
DOI: 10.3390/molecules28104252

Electronegativity effect on the ESIPT process of 4′‐N,N‐dimethylamino‐3‐hydroxyflavone (DMA3HF) and its derivatives

Zhiqiang Liu, Ligang Han, Xiali Wang, Yi Wang and Yingmin Hou

J of Physical Organic Chem, 2024, 37
DOI: 10.1002/poc.4583

Tuning emission color: Substituent controlled ESIPT and AIE enhancement in hexafluoroisopropylidene based naphthyl fluorophores for live HeLa cell bioimaging

Moorthy Mathivanan, Thangaraj Thiruppathiraja, David Villaman, Jebiti Haribabu, Krishnamoorthy Shanmugaraj, Senthilkumar Lakshmipathi and Néstor Novoa

Dyes and Pigments, 2026, 250, 113637
DOI: 10.1016/j.dyepig.2026.113637

Biomedical applications of fluorescent probes for detecting ischemia-reperfusion injury in different organs

Xinying Jing, Song Han, Yi Yang, Youbo Lai and Weiying Lin

Coordination Chemistry Reviews, 2025, 534, 216607
DOI: 10.1016/j.ccr.2025.216607

Identifying and harnessing ESIPT properties of a strategically designed bichromophoric coumarin-benzothiazole Schiff’s base for opto-chemical information processing applications

Sneha Wankar, Subham Chattopadhyay, Piyush Singh, Subham Das and Sujit Kumar Ghosh

Photochem Photobiol Sci, 2026, 25, 31
DOI: 10.1007/s43630-025-00822-8

Recent advances in formaldehyde sensors: a review

Luyu Wang, Jia Song and Chunyang Yu

J IRAN CHEM SOC, 2024, 21, 1495
DOI: 10.1007/s13738-024-03026-6

AIE‐ESIPT Photoluminescent Probe Based on 3‐(3‐Hydroxypyridin‐2‐yl)isoquinolin‐4‐ol for the Detection of Intracellular Hydrogen Peroxide

Wenting Huo, Kohei Takayama, Koji Miki, Kohei Nogita, Shuai Shao, Ayako Suzuki, Takashi Morimoto, Huiying Mu and Kouichi Ohe

Chemistry A European J, 2024, 30
DOI: 10.1002/chem.202401451

Design Strategies, Mechanistic Insights, and Applications of N‑Acylhydrazone‑Based Fluorometric and Colorimetric Chemosensors for Anion Detection

Imane Hamzi, Yazid Datoussaid and Naziha Oukebdane

ChemistrySelect, 2025, 10
DOI: 10.1002/slct.202501691

Exploring the mechanisms of excited-state intramolecular proton transfer in hydroxyphenyl-benzimidazole derivatives: A theoretical perspective

Yinhua Ma, Huaxin Liu, Chunyang Li, Yan Zhang, Meiheng Lv, Dongmei Mu, Shuhui Yin and Runze Liu

Journal of Molecular Structure, 2024, 1309, 138172
DOI: 10.1016/j.molstruc.2024.138172

Rhodamine-benzothiazole-thiophene: A triangular molecular tool for simultaneous detection of Hg2+ and Cu2+

Brian Musikavanhu, Xin Huang, Quanhong Ma, Zhaoli Xue, Lei Feng and Long Zhao

Microchemical Journal, 2024, 206, 111549
DOI: 10.1016/j.microc.2024.111549

Rational design of ratiometric aggregation-induced emission luminogens for biosensing and bioimaging

Xirui Chen, Qiaomei Yang, Xiaoyi Lv, Yonghua Xiong, Ben Zhong Tang and Xiaolin Huang

Coordination Chemistry Reviews, 2024, 516, 215970
DOI: 10.1016/j.ccr.2024.215970

Developing a Pyridine‐Imidazole‐Modified Fluorescent Probe for Monitoring Carboxylesterase Level During the Inflammation Regulation in Macrophages

Lu Tang, Ruojun Man and Weiling Deng

Luminescence, 2025, 40
DOI: 10.1002/bio.70325

Dual-Excited-State Intramolecular Proton Transfer Pathways Observed in Fisetin

Zijin Chen, Ziwei Chen, Xueli Wang, Haifeng Pan and Jinquan Chen

Photon Sci, 2026
DOI: 10.1021/photonsci.6c00003

A near-infrared fluorescence probe with large Stokes shift for selectively monitoring nitroreductase in living cells and mouse tumor models

Yongqing Zhou, Xiaofeng Yang, Jing Zhang, Shuai Xu and Mei Yan

Talanta, 2024, 274, 125976
DOI: 10.1016/j.talanta.2024.125976

A fluorescent probe 2-(5-bromo-2-((tert-butyldiphenylsilyl)oxy)phenyl)imidazo[1,2-a]pyridine for the detection of F−: Theoretical investigation on the ESIPT mechanism

Xiaolin Zhu, Xingzhu Tang, Ye Wang and Chaofan Sun

Chemical Physics Letters, 2025, 881, 142504
DOI: 10.1016/j.cplett.2025.142504

Fluorogenic probes based on 2,2′-thiobis(ethylamine) binding motifs: Selective analyte detection and emerging opportunities

Nidhi Goswami, Sudhanshu Naithani, Ritesh Dubey, Brij Bhushan, Samar Layek, Tapas Goswami and Sushil Kumar

Polyhedron, 2025, 282, 117812
DOI: 10.1016/j.poly.2025.117812

Benzazole-Based ESIPT Fluorophores: Proton Transfer from the Chalcogen Perspective. A Combined Theoretical and Experimental Study

Louise Kommers Reimann, Bianca Thaís Dalberto, Paulo Henrique Schneider, Henrique de Castro Silva Junior and Fabiano Severo Rodembusch

J Fluoresc, 2024, 35, 2147
DOI: 10.1007/s10895-024-03595-y

Modulation of excited state intramolecular proton transfer and intramolecular charge transfer pathways of symmetrical azines through micellar medium

Ramalingam Suhasini, Ulagammal Venkatasubramanian and Viruthachalam Thiagarajan

Photochem & Photobiology, 2024, 100, 956
DOI: 10.1111/php.13913

In situ mapping of HSA reabsorption by a NIR fluorogenic sensor as a practical phenotypic assay for nephroprotective drug discovery

Yufan Fan, Bei Zhao, Ya Zhang, Pingjin Xie, Lele Liu, Xuerui Wang, Guanghao Zhu, Zhaobin Guo, Fangyuan Wang, Qiang Jin, Jing Hu and Guangbo Ge

Biosensors and Bioelectronics, 2026, 301, 118490
DOI: 10.1016/j.bios.2026.118490

A high-sensitivity ESIPT-based fluorescent probe with a large stokes shift for H₂S detection and imaging in U251 cells and glioma mouse models

Anrong Li, Qiang Yang, Ruijuan Zhu, Han Zhang, Yiqin Qu, Yuanyuan Li, Jinfeng Duan, Jinfeng Luan, Kejia Peng, Lun Luo, Haixia Li, Xishang Sun, Chunli Chen and Miao Chen

Bioorganic Chemistry, 2026, 168, 109368
DOI: 10.1016/j.bioorg.2025.109368

Recent progress in excited-state intramolecular proton transfer-based ratiometry fluorescence probes for environmental detection and monitoring

Savikriti Saini, Selva Kumar Ramasamy and S.K. Ashok Kumar

Trends in Environmental Analytical Chemistry, 2025, 48, e00279
DOI: 10.1016/j.teac.2025.e00279

Photobasicity-Triggered Twisted Intramolecular Charge Transfer of Push–Pull Chromophores

Austin Pounder, Matteo Pavlovic, Darren Chow, Keenan T. Regan, Aicheng Chen, Stacey D. Wetmore and Richard A. Manderville

J. Phys. Chem. B, 2025, 129, 8485
DOI: 10.1021/acs.jpcb.5c03367

External electric field induced emission behavior for ESIPT-based 2-(benzo[d]thiazol-2-yl)-4-(pyren-1-yl)phenol towards near-infrared region

Xingzhu Tang, Yajie Zhang and Chaofan Sun

Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy, 2025, 325, 125045
DOI: 10.1016/j.saa.2024.125045

A Selective Fluorescent Probe with Pyridine-Imidazole Moiety for Detecting Glutathione in Pediatric Cellular Colorectal Injury

Li-Mei Tian, Wen Yang and Jing-Yi Shi

J Fluoresc, 2025, 36, 1
DOI: 10.1007/s10895-025-04569-4

Solid-state fluorophores with synergic excited state intramolecular proton transfer (ESIPT) and aggregation-induced emission (AIE) properties as effective non-doped emitters for electroluminescent devices

Sujinda Petdee, Suangsiri Arunlimsawat, Teerapat Itsoponpan, Kasin Rueantong, Atthapon Saenubol, Pattarapapa Janthakit, Phattananawee Nalaoh, Taweesak Sudyoadsuk and Vinich Promarak

Optical Materials, 2024, 157, 116413
DOI: 10.1016/j.optmat.2024.116413

Exploring and Regulating Heteroatom-Electronegativity-Associated with Ring Aromaticity and Excited State Intramolecular Proton Transfer Mechanism for Benzothiazole-Based Fluorophore

Jing Zhang and Hua Fang

J. Org. Chem., 2024, 89, 17260
DOI: 10.1021/acs.joc.4c01797

Reactive Probe for Fluorescent Detection of Norepinephrine Based On an Excited-State Intramolecular Proton Transfer (ESIPT) Mechanism

Rajibul Haque, Souma Ghosh, Rajkumar Banerjee and Debabrata Maity

Synlett, 2025, 36, 2573
DOI: 10.1055/s-0043-1775478

Tuning ESIPT in 3-hydroxyflavone by introducing electron-withdrawing dicyano group and extending its π-conjugation

Arsenii D. Snizhko, Liudmyla V. Chepeleva, Eugene S. Gladkov and Alexander Kyrychenko

Journal of Photochemistry and Photobiology A: Chemistry, 2025, 469, 116524
DOI: 10.1016/j.jphotochem.2025.116524

Excited-State Proton Transfer for Biomarker Detection

Debosreeta Bose and Agnishwar Girigoswami

Photochem, 2025, 5, 2
DOI: 10.3390/photochem5010002

Impact of Polymer Matrix on Polymer Mechanochromism from Excited State Intramolecular Proton Transfer†

Yu Wu, Xin Cheng, Huan Hu, Shui Hu, Zhimin Ma and Zhiyong Ma

Chin. J. Chem., 2024, 42, 611
DOI: 10.1002/cjoc.202300451

Molecular Aggregation to and from Disaggregation of an Organic Emitter for Strategic Emission Modulation

Provakar Paul, Saikat Samanta, Arunavo Chatterjee, Bibhas Mondal, Ujjal Kanti Roy, Tapas Majumdar and Arabinda Mallick

ChemNanoMat, 2025, 11
DOI: 10.1002/cnma.202400474

Dual‐Stimuli‐Responsive Turn‐On Luminescence of Chiral Bisimidazolyl BINOL Dimethyl Ether Crystals

Honami Murata, Seika Suzuki, Kazuki Terakubo, Yoshitane Imai and Suguru Ito

Chemistry An Asian Journal, 2024, 19
DOI: 10.1002/asia.202400293

Recent Progress in the Molecular Engineering of Excited‐State Intramolecular Proton Transfer‐Based Aggregation‐Induced Emission Luminogens for Cation, Anion, and Biological Sensing Applications

Ankit Kumar Dubey, Rimi Roy and Soumyadipta Rakshit

ChemPlusChem, 2026, 91
DOI: 10.1002/cplu.202500668

Advancing cancer diagnosis and therapy: MXene-based biosensing and nanomedicine applications

Hesam Kamyab, Elham Khalili, Shreeshivadasan Chelliapan and Saravanan Rajendran

International Immunopharmacology, 2026, 176, 116464
DOI: 10.1016/j.intimp.2026.116464

Application and mechanism of ratiometric fluorescent probes based on ESIPT and AIEE mechanisms for cyanide detection in biological systems

Meng Zhang, Changyu Wang, Li Deng, Wenyan Li, Xiaofei Tan, Junhui Wang and Yi Wang

Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy, 2026, 349, 127282
DOI: 10.1016/j.saa.2025.127282

A Schiff base fluorescence switch-on probe derived from vitamin B6 cofactor for simultaneous detection of bovine serum albumin and ovalbumin

Sonkeshriya Dhanshri, Subrata Dutta and Suban K. Sahoo

Journal of Photochemistry and Photobiology A: Chemistry, 2023, 444, 114905
DOI: 10.1016/j.jphotochem.2023.114905

AIEE Active Azomethine-Based Rhodamine Derivative For Ultrasensitive Multichannel Detection of Au3+ Through a Fluorimetrically, Electrochemically, and RGB-Based Sensing Assay

Atul Kapoor, Pratibha, Jaspreet Kaur Rajput and Arvind Kumar

Anal. Chem., 2023, 95, 5796
DOI: 10.1021/acs.analchem.3c00258

Chemical bond reorganization in intramolecular proton transfer revealed by ultrafast X-ray photoelectron spectroscopy

Yonghao Gu, Haiwang Yong, Bing Gu and Shaul Mukamel

Proc. Natl. Acad. Sci. U.S.A., 2024, 121
DOI: 10.1073/pnas.2321343121

Theoretical insights into ultrafast excited state proton transfer coupled with twisted intramolecular charge transfer mechanism in 7-(2ʹ-pyridyl)indole: Effect of hydrogen bonding

Rusrina Salaeh and Rathawat Daengngern

Journal of Molecular Liquids, 2023, 388, 122707
DOI: 10.1016/j.molliq.2023.122707

Impact of Substitution Positions and Solvents on ESIPT Mechanisms and Photophysical Properties of TFAQ and Its Derivatives: A Theory Perspective

Xi Chen, He Sun, Yan Leng, Chun‐Gang Min, Gang Liu and Ai‐Min Ren

ChemistrySelect, 2026, 11
DOI: 10.1002/slct.202505098

Versatile aggregation induced emissive molecular probes incorporating different donor/acceptor groups for tunable multiple color fluorescence

Moorthy Mathivanan, David Villaman, Krishnamoorthy Shanmugaraj, Malaichamy Ilanchelian, Thangaraj Thiruppathiraja, Senthilkumar Lakshmipathi and Néstor Novoa

Dyes and Pigments, 2024, 228, 112196
DOI: 10.1016/j.dyepig.2024.112196

An Excited‐State Intramolecular Proton Transfer Mechanism‐Based Reactive Probe for Ratiometric Fluorescence Detection of Epinephrine in Live Cells

Sk Rajibul Haque, Souma Ghosh, Rajkumar Banerjee and Debabrata Maity

ChemBioChem, 2025, 26
DOI: 10.1002/cbic.202500631

Water sensitive fluorescence tuning of V-shaped ESIPT fluorophores: Substituent effect and trace amount water sensing in DMSO

Sasikala Ravi, Prakash Priyadharshini, Govindan Deviga, Mariappan Mariappan, Subramanian Karthikeyan, Mehboobali Pannipara, Abdullah G. Al-Sehemi, Dohyun Moon and Savarimuthu Philip Anthony

Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy, 2024, 309, 123838
DOI: 10.1016/j.saa.2024.123838

A novel ESIPT fluorescent probe for early detection and assessment of ferroptosis-mediated acute kidney injury via peroxynitrite fluctuation

Miao Chen, Shuiling Lin, Bingbing Tang, Tian Tian, Yahui Leng, Danwen Liu, Kelong Wang, Yi Geng, Zhiguo Luo, Li Shen and Tongsheng Chen

Analytica Chimica Acta, 2024, 1308, 342611
DOI: 10.1016/j.aca.2024.342611

Multi-dimensional hydrogen bonds regulated emissions of single-molecule system enabling surficial hydrophobicity/hydrophilicity mapping

Hao Gu, Rui Li, Qiuying Li, Sheng Lu, Yahui Chen, Xiaoning Yang, Huili Ma, Zhijun Xu and Xiaoqiang Chen

Chinese Chemical Letters, 2025, 36, 110116
DOI: 10.1016/j.cclet.2024.110116

A pH-sensitive near-infrared ESIPT fluorescent probe with an extra-large Stokes shift for visualization of intracellular pH fluctuations

Tianyou Qin, Lei Guo, Jifang Zhao, Lan Sheng and Caina Xu

Dyes and Pigments, 2026, 250, 113682
DOI: 10.1016/j.dyepig.2026.113682

Advances in Organic Fluorescent and Colorimetric Probes for The Detection of Cu 2+ and Their Applications in Cancer Cell Imaging (2020–2024)

Alaa Shafie and Amal Adnan Ashour

Critical Reviews in Analytical Chemistry, 2025, 1
DOI: 10.1080/10408347.2025.2455381

Theoretical Insights into ESIPT and GSIPT in Schiff Base Cu(II)-BSSMO Complexes: Substituent Effects Explored via DFT, Molecular Docking, and Dynamics Simulations for Optoelectronic and Biomedical Applications

Murugesan Panneerselvam, Anantha Narayanan Sri Gayathri, Singaravel Nathiya, Jarede Da Silva Martins, Iravatham Rama, Frederico W. Tavares and Luciano T. Costa

ACS Omega, 2025, 10, 55628
DOI: 10.1021/acsomega.5c06772

Ring aromaticity and ESIPT behavior of 4-dimethylamino-2′-hydroxychalcone based on nitrogen substitution: A TD-DFT insight

Hua Fang and Jialun Zhang

Journal of Luminescence, 2026, 289, 121659
DOI: 10.1016/j.jlumin.2025.121659

Multifunctional 2-(2′-hydroxyphenyl)benzoxazoles: Ready synthesis, mechanochromism, fluorescence imaging, and OLEDs

Kangmin Wang, Liqiu Wan, Jingyu Wang, Chunlin Zhou, Ke Yang, Liang Zhou and Bijin Li

Chinese Chemical Letters, 2024, 35, 109554
DOI: 10.1016/j.cclet.2024.109554

Design, Synthesis, and Application of a Novel Probe for Macroscopic Recognition of Copper Ions

L. Zhao, M. Yue, Y.-H. Zhao, Z. Tang and W. Zhou

Russ J Gen Chem, 2024, 94, 660
DOI: 10.1134/S1070363224030174

Recent Advances in Smart Sensing Based on Excited‐State Intramolecular Proton‐Transfer (ESIPT)‐Inspired Emitters

Jing Li, Bao‐Sen Xu, Xinglong‐Zhang, Le‐Le Zhao, Shao‐Zhe Yi and Bao‐Ning Li

Asian J Org Chem, 2025, 14
DOI: 10.1002/ajoc.202400572

A theoretical elucidation of the role of explicit solvent in the excited-state double proton transfer process for 2,4-Bisimidazolylphenol

Xin Xin, Wei Shi, Rulin Jia, Guijie Zhao, Hongbin Zhuang and Yongqing Li

Journal of Molecular Structure, 2024, 1318, 139328
DOI: 10.1016/j.molstruc.2024.139328

Excited State Dual Proton Transfer on a β‐Carboline Fluorophore and Its Variable Response to Water and D2O

Adarash K. Shukla, Savita Choudhary, Ajit G. Wadkar, Paulkar Suraj, Jayabalan Nirmal and Anupam Bhattacharya

Chemistry A European J, 2025, 31
DOI: 10.1002/chem.202500517