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Zhu Y, Chong X, Luo Z, Zhao X, Liu J, Chen J, Liu W, Zhang L, Meng WQ. Visual detection and discrimination of nerve and blood agents using a dual-site fluorescent probe in living cells and mice. JOURNAL OF HAZARDOUS MATERIALS 2024; 472:134604. [PMID: 38759283 DOI: 10.1016/j.jhazmat.2024.134604] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/26/2024] [Revised: 05/01/2024] [Accepted: 05/11/2024] [Indexed: 05/19/2024]
Abstract
Of all chemical warfare agents (CWAs), only nerve and blood agents cause massive mortality at low concentrations. To better detect and discriminate nerve and blood agents, a reliable detection method is desirable. We report a series of fluorescent probes for nerve and blood agent detection. Among the tested probes, SR-Pip detected nerve and blood agents quickly (within 10 s for nerve agents and 1 min for blood agents). SR-Pip coupled with nerve agent produced a weak orange fluorescence with good sensitivity [limit of detection (LOD)= 5.5 μM]. Upon reaction with blood agent, the fluorescence of SR-Pip changed from orange fluorescence to blue fluorescence with detection limits as low as 9.6 nM. This probe effectively visualised different concentrations of nerve agents in living cells and mice. A portable test kit using SR-Pip instantly detected nerve and blood agents. To the best of our knowledge, SR-Pip is the first fluorescent probe for nerve and blood agent detection.
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Affiliation(s)
- Yuping Zhu
- Basic Medical Experimental Teaching Center, Basic Medical College, Naval Medical University, Shanghai 200433, China
| | - Xiaodan Chong
- Clinical Cancer Institute, Translational Medicine Center, Naval Medical University, Shanghai 200433, China
| | - Zimeng Luo
- Lab of Toxicology & Pharmacology, Faculty of Naval Medicine, Naval Military Medical University, Shanghai, China; Laboratory of New Drug Research and Clinical Pharmacy, School of Pharmacy, Xuzhou Medical University, Xuzhou, China
| | - Xuan Zhao
- Lab of Toxicology & Pharmacology, Faculty of Naval Medicine, Naval Military Medical University, Shanghai, China; Basic Medical Experimental Teaching Center, Basic Medical College, Naval Medical University, Shanghai 200433, China
| | - Junhong Liu
- Lab of Toxicology & Pharmacology, Faculty of Naval Medicine, Naval Military Medical University, Shanghai, China
| | - Jiasheng Chen
- Lab of Toxicology & Pharmacology, Faculty of Naval Medicine, Naval Military Medical University, Shanghai, China
| | - Wei Liu
- Department of Environmental Health, School of Public Health, China Medical University, Shenyang 110122, China; Key Laboratory of Environmental Stress and Chronic Disease Control & Prevention (China Medical University), Ministry of Education, China.
| | - Ling Zhang
- Laboratory of New Drug Research and Clinical Pharmacy, School of Pharmacy, Xuzhou Medical University, Xuzhou, China.
| | - Wen-Qi Meng
- Lab of Toxicology & Pharmacology, Faculty of Naval Medicine, Naval Military Medical University, Shanghai, China; Laboratory of New Drug Research and Clinical Pharmacy, School of Pharmacy, Xuzhou Medical University, Xuzhou, China; Department of Environmental Health, School of Public Health, China Medical University, Shenyang 110122, China.
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Chen WH, Armstrong E, Dillingham PW, Moratti SC, Ennis C, McGraw CM. Dual-Lifetime Referencing ( t-DLR) Optical Fiber Fluorescent pH Sensor for Microenvironments. SENSORS (BASEL, SWITZERLAND) 2023; 23:8865. [PMID: 37960564 PMCID: PMC10650387 DOI: 10.3390/s23218865] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/16/2023] [Revised: 10/24/2023] [Accepted: 10/27/2023] [Indexed: 11/15/2023]
Abstract
The pH behavior in the μm to cm thick diffusion boundary layer (DBL) surrounding many aquatic species is dependent on light-controlled metabolic activities. This DBL microenvironment exhibits different pH behavior to bulk seawater, which can reduce the exposure of calcifying species to ocean acidification conditions. A low-cost time-domain dual-lifetime referencing (t-DLR) interrogation system and an optical fiber fluorescent pH sensor were developed for pH measurements in the DBL interface. The pH sensor utilized dual-layer sol-gel coatings of pH-sensitive iminocoumarin and pH-insensitive Ru(dpp)3-PAN. The sensor has a dynamic range of 7.41 (±0.20) to 9.42 ± 0.23 pH units (95% CI, T = 20 °C, S = 35), a response time (t90) of 29 to 100 s, and minimal salinity dependency. The pH sensor has a precision of approximately 0.02 pHT units, which meets the Global Ocean Acidification Observing Network (GOA-ON) "weather" measurement quality guideline. The suitability of the t-DLR optical fiber pH sensor was demonstrated through real-time measurements in the DBL of green seaweed Ulva sp. This research highlights the practicability of optical fiber pH sensors by demonstrating real-time pH measurements of metabolic-induced pH changes.
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Affiliation(s)
- Wan-Har Chen
- Department of Chemistry, University of Otago, Dunedin 9054, New Zealand; (W.-H.C.); (S.C.M.); (C.E.)
| | - Evelyn Armstrong
- NIWA/University of Otago Centre for Oceanography, Department of Marine Science, University of Otago, Dunedin 9054, New Zealand;
| | - Peter W. Dillingham
- Department of Mathematics and Statistics, University of Otago, Dunedin 9054, New Zealand;
- Coastal People Southern Skies Centre of Research Excellence, University of Otago, Dunedin 9054, New Zealand
| | - Stephen C. Moratti
- Department of Chemistry, University of Otago, Dunedin 9054, New Zealand; (W.-H.C.); (S.C.M.); (C.E.)
| | - Courtney Ennis
- Department of Chemistry, University of Otago, Dunedin 9054, New Zealand; (W.-H.C.); (S.C.M.); (C.E.)
| | - Christina M. McGraw
- Department of Chemistry, University of Otago, Dunedin 9054, New Zealand; (W.-H.C.); (S.C.M.); (C.E.)
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Boček I, Hranjec M, Vianello R. Imidazo[4,5-b]pyridine derived iminocoumarins as potential pH probes: Synthesis, spectroscopic and computational studies of their protonation equilibria. J Mol Liq 2022. [DOI: 10.1016/j.molliq.2022.118982] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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Chen Z, Jin S, Jiang W, Zhu F, Chen Y, Zhao Y. Multicomponent Synthesis of Iminocoumarins via Rhodium-Catalyzed C-H Bond Activation. J Org Chem 2020; 85:11006-11013. [PMID: 32672469 DOI: 10.1021/acs.joc.0c01303] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
We herein establish a multicomponent annulation method for the synthesis of valuable iminocoumarins using aryl thiocarbamates, internal alkynes, and sulfonamides as starting materials, which are safe and readily available. The key step is a Rh-catalyzed and sulfur-directed C-H bond activation. Preliminary mechanistic investigations suggested that the nucleophilic attack of the sulfonamide on an active iminium cation finally completes the imine segment.
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Affiliation(s)
- Zhan Chen
- College of Chemical Engineering, Huaqiao University, 668 Jimei Boulevard, Xiamen 361021, P. R. China
| | - Shengnan Jin
- College of Chemical Engineering, Huaqiao University, 668 Jimei Boulevard, Xiamen 361021, P. R. China
| | - Wenyao Jiang
- College of Chemical Engineering, Huaqiao University, 668 Jimei Boulevard, Xiamen 361021, P. R. China
| | - Feimin Zhu
- College of Chemical Engineering, Huaqiao University, 668 Jimei Boulevard, Xiamen 361021, P. R. China
| | - Yuqi Chen
- College of Chemical Engineering, Huaqiao University, 668 Jimei Boulevard, Xiamen 361021, P. R. China
| | - Yingwei Zhao
- College of Chemical Engineering, Huaqiao University, 668 Jimei Boulevard, Xiamen 361021, P. R. China
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Kumar J, Kumar N, Hota PK. Optical properties of 3-substituted indoles. RSC Adv 2020; 10:28213-28224. [PMID: 35519093 PMCID: PMC9055839 DOI: 10.1039/d0ra05405d] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2020] [Accepted: 07/23/2020] [Indexed: 11/21/2022] Open
Abstract
The optical properties of various donor or acceptor p-phenyl substituted ethenyl indoles were studied in solvents of varying polarity using absorption, fluorescence and TDDFT methods. Ethenyl indole exhibits non-linear optical properties (NLO) in a substituent dependent manner. Compound with a strong electron-attracting substituent, shows large NLO properties with charge transfer behavior, whereas ethenyls with moderate electron withdrawing or electron donating substituent exhibit lower NLO properties with non polar excited state. A highly dipolar excited state for p-nitro phenyl substituted ethenyl indoles (μ e: 18.2-27.1 debye; Δμ: 9.4-17.8 debye) is observed as compared to other ethenyls (μ e: 6.6-9.5 debye; Δμ: 4.2-6.2 debye). From TDDFT study, it is shown that the HOMO-LUMO energy of ethenyl is increased with increasing the electron donating ability of the p-phenyl substitution. The optical band gap of ethenyl 3 without substitution, is decreased upon p-phenyl substitution either with an electron withdrawing (Cl, NO2) or an electron donating (OCH3, OH, NH2) substituent. The compound with a strong electron accepting, p-nitrophenyl ethenyl indole 1 shows 12 times better NLO response as compared to the reference ethenyl indole 3 (β: 1: 115 × 10-30 esu-1 cm5, 3: 9 × 10-30 esu-1 cm5). Ethenyls 2-6 bearing a weak or moderately electron withdrawing or electron accepting substituent, exhibit lower NLO response. The β of ethenyl is increased with increasing the order of electron withdrawing nature of phenyl ring. Overall, a correlation of β with the optical band gap, ground state dipole moment, % of charge transfer in the ground and excited state is found.
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Affiliation(s)
- Jagdeep Kumar
- Department of Chemistry, School of Sciences, Hemvati Nandan Bahuguna Garhwal University Srinagar (Garhwal) Uttarakhand 246174 India
| | - Naresh Kumar
- Department of Chemistry, School of Sciences, Hemvati Nandan Bahuguna Garhwal University Srinagar (Garhwal) Uttarakhand 246174 India
| | - Prasanta Kumar Hota
- Department of Chemistry, School of Sciences, Hemvati Nandan Bahuguna Garhwal University Srinagar (Garhwal) Uttarakhand 246174 India
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Triphenylamine and N-phenyl carbazole-based coumarin derivatives: Synthesis, solvatochromism, acidochromism, linear and nonlinear optical properties. J Photochem Photobiol A Chem 2019. [DOI: 10.1016/j.jphotochem.2019.111937] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
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Varejão JOS, Varejão EVV, Fernandes SA. Synthesis and Derivatization of Julolidine: A Powerful Heterocyclic Structure. European J Org Chem 2019. [DOI: 10.1002/ejoc.201900398] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Affiliation(s)
- Jodieh Oliveira Santana Varejão
- Grupo de Química Supramolecular e Biomimética (GQSB); Departamento de Química; Universidade Federal de Viçosa; 36570-900 Brazil
| | - Eduardo Vinícius Vieira Varejão
- Grupo de Química Supramolecular e Biomimética (GQSB); Departamento de Química; Universidade Federal de Viçosa; 36570-900 Brazil
| | - Sergio Antonio Fernandes
- Grupo de Química Supramolecular e Biomimética (GQSB); Departamento de Química; Universidade Federal de Viçosa; 36570-900 Brazil
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Kumar N, Paramasivam M, Kumar J, Gusain A, Hota PK. Tuning of optical properties of p-phenyl ethenyl-E-furans: A Solvatochromism and Density functional theory. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2019; 206:396-404. [PMID: 30172237 DOI: 10.1016/j.saa.2018.08.032] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/07/2018] [Revised: 08/13/2018] [Accepted: 08/19/2018] [Indexed: 06/08/2023]
Abstract
p-Phenyl ethenyl-E-furans (1-6) with varied electron donor and acceptor substituent (NO2, CN, Cl, H, OCH3, NH2) were synthesized and studied the substituent induced optical properties (dipole moment, transition dipole moment, oscillator strength, optical band gap, hyperpolarizability) using Solvatochromism and Density functional theory. It is shown that furan acts as a weak electron donor in presence of an electron withdrawing p‑phenyl substituent (NO2, CN, Cl), whereas furan acts as a weak electron acceptor in presence of an electron donating p‑phenyl substituent (OCH3, NH2). In comparison to ethenylfuran 4, the HOMO-LUMO energy band gap is decreased upon increasing the electron donating or electron withdrawing nature of the phenyl ring. Calculation of excited state dipole moment and polarizability of 1-6 in solvent of varying polarity suggest that the nitro and amino compounds (1, 6) exhibit charge transfer excited state, whereas excited state of compounds 3-5 is non-polar in nature. As compared to the ethenylfuran (4), the first hyperpolarizability (β) is increased in presence of a strong electron withdrawing or strong electron donating p‑phenyl substituent. The higher β value is found for ethenylfuran with p‑nitrophenyl and p‑amino phenyl substitution. Overall, these studies provide useful information in tuning the optical properties of p‑phenyl substituted heterocyclic ethenyl systems.
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Affiliation(s)
- Naresh Kumar
- Department of Chemistry, School of Sciences, Hemvati Nandan Bahuguna Garhwal University (A Central University), Srinagar Campus, Pauri (Garhwal) 246 174, Uttarakhand, India
| | - Mahalingavelar Paramasivam
- Department of Advanced Materials Chemistry, College of Sciences and Technology, Korea University, 2511 Sejong-ro, Jochiwon, Sejong 339700, Republic of Korea
| | - Jagdeep Kumar
- Department of Chemistry, School of Sciences, Hemvati Nandan Bahuguna Garhwal University (A Central University), Srinagar Campus, Pauri (Garhwal) 246 174, Uttarakhand, India
| | - Anamika Gusain
- Department of Chemistry, School of Sciences, Hemvati Nandan Bahuguna Garhwal University (A Central University), Srinagar Campus, Pauri (Garhwal) 246 174, Uttarakhand, India
| | - Prasanta Kumar Hota
- Department of Chemistry, School of Sciences, Hemvati Nandan Bahuguna Garhwal University (A Central University), Srinagar Campus, Pauri (Garhwal) 246 174, Uttarakhand, India.
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Mohbiya DR, Mallah RR, Sekar N. Influence of electron donors in fluorescent NLOphoric D-π-A derivatives with acenaphthene rotor: Photophysical, viscosity, and TD-DFT studies. J Photochem Photobiol A Chem 2018. [DOI: 10.1016/j.jphotochem.2018.05.039] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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10
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Doušová H, Almonasy N, Mikysek T, Váňa J, Nepraš M, Frumarová B, Dvořák M, Růžičková Z, Šimůnek P. Synthesis, spectral and electrochemical properties of selected boron ketiminates with aminocoumarin fragment. MONATSHEFTE FUR CHEMIE 2018. [DOI: 10.1007/s00706-018-2262-3] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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Substituent Dependent Optical Properties of p-phenyl Substituted ethenyl-E-thiophenes. J Fluoresc 2018; 28:1207-1216. [PMID: 30151739 DOI: 10.1007/s10895-018-2284-6] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2018] [Accepted: 08/20/2018] [Indexed: 12/27/2022]
Abstract
Various electron donor and acceptor substituted (NO2, CN, Cl, H, OCH3, NH2) p-phenyl ethenyl-E- thiophenes (1-6) were synthesized and substituent dependent optical properties (dipole moment, transition dipole moment, oscillator strength, optical band gap, hyperpolarizability) were studied using Solvatochromism and Density functional theory. It is shown that thiophene acts as a weak electron donor in presence of an electron withdrawing p-phenyl substituent (NO2, CN, Cl), whereas thiophene acts as a weak electron acceptor in presence of an electron donating p-phenyl substituent (OCH3, NH2). In comparison to ethenyl thiophene 4, the HOMO-LUMO energy band gap is decreased upon increasing the electron donating or electron withdrawing capacity of p-phenyl substituent. From the excited state dipole moment calculation, it is shown that the excited state is highly dipolar for nitro and amino compounds 1 and 6, whereas compounds 2-5 show a non-polar excited state. As compared to the ethenyl thiophene 4, the first hyperpolarizability (β) increases upon substitution either with a strong electron withdrawing or strong electron donating p-phenyl substituent. A large β value is found for p-nitro phenyl ethenyl-E-thiophene and p-amino phenyl ethenyl-E- thiophene. Overall, these studies provide useful information in understanding the optical properties of phenyl and heterocyclic based ethenyl systems.
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Feng W, Gong S, Zhou E, Yin X, Feng G. Readily prepared iminocoumarin for rapid, colorimetric and ratiometric fluorescent detection of phosgene. Anal Chim Acta 2018; 1029:97-103. [PMID: 29907297 DOI: 10.1016/j.aca.2018.04.048] [Citation(s) in RCA: 45] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2017] [Revised: 04/16/2018] [Accepted: 04/18/2018] [Indexed: 01/28/2023]
Abstract
In this paper, a new colorimetric and ratiometric fluorescent probe for the rapid detection of phosgene is reported. This probe is based on a readily prepared and highly fluorescent iminocoumarin, which reacts rapidly with phosgene to form a cyclic carbamate product to produce, distinctive colorimetric and ratiometric fluorescent signal changes. The detection of phosgene with this probe is fast (complete within 2 min), highly selective and sensitive with a detection limit of 27 nM in solution. Moreover, this probe can be used to prepare easy-to-use paper test strips for convenient visual and fluorescent detection of phosgene gas even at a concentration of 0.1 mg/L. Overall, this work provides a very promising dual colorimetric and ratiometric fluorescent probe for rapid and sensitive detection of phosgene both in solution and in the gas phase.
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Affiliation(s)
- Weiyong Feng
- Key Laboratory of Pesticide and Chemical Biology of Ministry of Education, Hubei International Scientific and Technological Cooperation Base of Pesticide and Green Synthesis, College of Chemistry, Central China Normal University, 152 Luoyu Road, Wuhan, 430079, PR China
| | - Shengyi Gong
- Key Laboratory of Pesticide and Chemical Biology of Ministry of Education, Hubei International Scientific and Technological Cooperation Base of Pesticide and Green Synthesis, College of Chemistry, Central China Normal University, 152 Luoyu Road, Wuhan, 430079, PR China
| | - Enbo Zhou
- Key Laboratory of Pesticide and Chemical Biology of Ministry of Education, Hubei International Scientific and Technological Cooperation Base of Pesticide and Green Synthesis, College of Chemistry, Central China Normal University, 152 Luoyu Road, Wuhan, 430079, PR China
| | - Xinyu Yin
- Key Laboratory of Pesticide and Chemical Biology of Ministry of Education, Hubei International Scientific and Technological Cooperation Base of Pesticide and Green Synthesis, College of Chemistry, Central China Normal University, 152 Luoyu Road, Wuhan, 430079, PR China
| | - Guoqiang Feng
- Key Laboratory of Pesticide and Chemical Biology of Ministry of Education, Hubei International Scientific and Technological Cooperation Base of Pesticide and Green Synthesis, College of Chemistry, Central China Normal University, 152 Luoyu Road, Wuhan, 430079, PR China.
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Mohbiya DR, Sekar N. Tuning ‘Stokes Shift’ and ICT Character by Varying the Donor Group in Imidazo[1,5 a]pyridines: A Combined Optical, DFT, TD-DFT and NLO Approach. ChemistrySelect 2018. [DOI: 10.1002/slct.201702579] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Affiliation(s)
- Dhanraj R. Mohbiya
- Dyestuff Technology Department; Institute of Chemical Technology; Nathalal Parekh Marg, Matunga Mumbai 400019 India
| | - Nagaiyan Sekar
- Dyestuff Technology Department; Institute of Chemical Technology; Nathalal Parekh Marg, Matunga Mumbai 400019 India
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Traven V, Cheptsov D, Vershinina G, Solovjeva N, Chibisova T, Dolotov S, Ivanov I. (7-Dialkylamino-3-coumarinyl)pyrazolines – new effective push-pull photogenerators of acidity. J Photochem Photobiol A Chem 2018. [DOI: 10.1016/j.jphotochem.2017.09.072] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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