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Wang Y, Fu L, Tan Y, Ding Y, Qing W. A near-infrared fluorescent probe with viscosity sensitivity in lysosome for cancer visualization. Anal Bioanal Chem 2024; 416:341-348. [PMID: 37981588 DOI: 10.1007/s00216-023-05050-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2023] [Revised: 10/25/2023] [Accepted: 11/02/2023] [Indexed: 11/21/2023]
Abstract
A viscosity-sensitive, lysosome-targeted near-infrared fluorescent probe (PYATT) was reported in this paper. The fluorescent spectra of PYATT are strongly dependent on viscosity, resulting in a Stokes shift of about 190 nm. Given its photostability, low cytotoxicity, and high fluorescence quantum yield, PYATT is expected to be used in cell imaging. Due to the higher viscosity of tumor cells than normal cells, the fluorescence intensity of PYATT in tumor cells is higher than normal cells, which can realize the visualization of tumors. The near-infrared probe (PYATT) is viscosity-dependent in lysosomes, which is valuable in early diagnosis and treatment of tumor.
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Affiliation(s)
- Yong Wang
- Henan International Joint Laboratory of Medicinal Plants Utilization, College of Chemistry and Molecular Sciences, Henan University, Kaifeng, 475004, People's Republic of China
| | - Lixian Fu
- Henan International Joint Laboratory of Medicinal Plants Utilization, College of Chemistry and Molecular Sciences, Henan University, Kaifeng, 475004, People's Republic of China
| | - Yiyun Tan
- Henan International Joint Laboratory of Medicinal Plants Utilization, College of Chemistry and Molecular Sciences, Henan University, Kaifeng, 475004, People's Republic of China
| | - Yue Ding
- Henan International Joint Laboratory of Medicinal Plants Utilization, College of Chemistry and Molecular Sciences, Henan University, Kaifeng, 475004, People's Republic of China
| | - Weixia Qing
- School of Basic Medical Sciences, Henan University, Kaifeng, 475004, People's Republic of China.
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2
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Guesmi NE. Solvent Effect on the Photophysical Properties of Terpyridine Incorporating Pyrene Moiety: Estimation of Dipole Moments by Solvatochromic Shift Methods. J Fluoresc 2023; 33:2315-2326. [PMID: 37036630 DOI: 10.1007/s10895-023-03210-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2023] [Accepted: 03/09/2023] [Indexed: 04/11/2023]
Abstract
The absorption and fluorescence emission spectra of terpyridine incorporating pyrene moiety (Tpy-pyr) have been recorded in extensive variety of solvents having different polarities. The effect of the solvent on the spectral characteristics are examined. It is shown that Tpy-pyr exhibit positive solvatochromism, large Stokes shift values in polar solvents, and fluorescence in the long wavelength region of the visible range. A linear increasing trend with Stokes shift indicates the presence of Tpy-pyr - solvent interaction. The acquired results could be attributed to the formation of excited states with intramolecular charge transfer. The fluorescence quantum yield was drastically reduced in polar protic solvents and the formation of the twisted states with charge transfer was proposed. Both ground and excited state dipole moments (µg and µe) were determined experimentally by Lippert-Mataga, Reichardt, Bilot-Kawski, Bakhshiev and Kawski-Chamma-Viallet solvatochromic methods analyzed on the base of the microscopic solvent polarity functions. The µg and µe dipole moment of Tpy-pyr estimated from density functional theory (DFT) and those determined experimentally from solvatochromic methods are compared and the results are discussed.
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Affiliation(s)
- Nizar El Guesmi
- Department of Chemistry, Faculty of Applied Sciences, Umm Al-Qura University, 21955, Makkah, Saudi Arabia.
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3
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Singhania A, Kalita S, Chettri P, Ghosh S. Accounts of applied molecular rotors and rotary motors: recent advances. NANOSCALE ADVANCES 2023; 5:3177-3208. [PMID: 37325522 PMCID: PMC10262963 DOI: 10.1039/d3na00010a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/04/2023] [Accepted: 05/17/2023] [Indexed: 06/17/2023]
Abstract
Molecular machines are nanoscale devices capable of performing mechanical works at molecular level. These systems could be a single molecule or a collection of component molecules that interrelate with one another to produce nanomechanical movements and resulting performances. The design of the components of molecular machine with bioinspired traits results in various nanomechanical motions. Some known molecular machines are rotors, motors, nanocars, gears, elevators, and so on based on their nanomechanical motion. The conversion of these individual nanomechanical motions to collective motions via integration into suitable platforms yields impressive macroscopic output at varied sizes. Instead of limited experimental acquaintances, the researchers demonstrated several applications of molecular machines in chemical transformation, energy conversion, gas/liquid separation, biomedical use, and soft material fabrication. As a result, the development of new molecular machines and their applications has accelerated over the previous two decades. This review highlights the design principles and application scopes of several rotors and rotary motor systems because these machines are used in real applications. This review also offers a systematic and thorough overview of current advancements in rotary motors, providing in-depth knowledge and predicting future problems and goals in this area.
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Affiliation(s)
- Anup Singhania
- Natural Product Chemistry Group, Chemical Sciences & Technology Division, CSIR-North East Institute of Science & Technology Jorhat 785006 Assam India
- Academy of Scientific and Innovative Research (AcSIR) Ghaziabad 201002 India
| | - Sudeshna Kalita
- Natural Product Chemistry Group, Chemical Sciences & Technology Division, CSIR-North East Institute of Science & Technology Jorhat 785006 Assam India
- Academy of Scientific and Innovative Research (AcSIR) Ghaziabad 201002 India
| | - Prerna Chettri
- Natural Product Chemistry Group, Chemical Sciences & Technology Division, CSIR-North East Institute of Science & Technology Jorhat 785006 Assam India
- Academy of Scientific and Innovative Research (AcSIR) Ghaziabad 201002 India
| | - Subrata Ghosh
- Natural Product Chemistry Group, Chemical Sciences & Technology Division, CSIR-North East Institute of Science & Technology Jorhat 785006 Assam India
- Academy of Scientific and Innovative Research (AcSIR) Ghaziabad 201002 India
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4
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Fluorescent Probes as a Tool in Diagnostic and Drug Delivery Systems. Pharmaceuticals (Basel) 2023; 16:ph16030381. [PMID: 36986481 PMCID: PMC10056067 DOI: 10.3390/ph16030381] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2023] [Revised: 02/24/2023] [Accepted: 02/27/2023] [Indexed: 03/06/2023] Open
Abstract
Over the last few years, the development of fluorescent probes has received considerable attention. Fluorescence signaling allows noninvasive and harmless real-time imaging with great spectral resolution in living objects, which is extremely useful for modern biomedical applications. This review presents the basic photophysical principles and strategies for the rational design of fluorescent probes as visualization agents in medical diagnosis and drug delivery systems. Common photophysical phenomena, such as Intramolecular Charge Transfer (ICT), Twisted Intramolecular Charge Transfer (TICT), Photoinduced Electron Transfer (PET), Excited-State Intramolecular Proton Transfer (ESIPT), Fluorescent Resonance Energy Transfer (FRET), and Aggregation-Induced Emission (AIE), are described as platforms for fluorescence sensing and imaging in vivo and in vitro. The presented examples are focused on the visualization of pH, biologically important cations and anions, reactive oxygen species (ROS), viscosity, biomolecules, and enzymes that find application for diagnostic purposes. The general strategies regarding fluorescence probes as molecular logic devices and fluorescence–drug conjugates for theranostic and drug delivery systems are discussed. This work could be of help for researchers working in the field of fluorescence sensing compounds, molecular logic gates, and drug delivery.
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Bakov VV, Georgiev NI, Bojinov VB. A Novel Fluorescent Probe for Determination of pH and Viscosity Based on a Highly Water-Soluble 1,8-Naphthalimide Rotor. Molecules 2022; 27:molecules27217556. [PMID: 36364383 PMCID: PMC9657100 DOI: 10.3390/molecules27217556] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2022] [Revised: 10/29/2022] [Accepted: 11/02/2022] [Indexed: 11/06/2022] Open
Abstract
A novel highly water-soluble 1,8-naphthalimide with pH and viscosity-sensing fluorescence was synthesized and investigated. The synthesized compound was designed as a molecular device in which a molecular rotor and molecular “off-on” switcher were integrated. In order to obtain a TICT driven molecular motion at C-4 position of the 1,8-naphthalimide fluorophore, a 4-methylpiperazinyl fragment was introduced. The molecular motion was confirmed after photophysical investigation in solvents with different viscosity; furthermore, the fluorescence-sensing properties of the examined compound were investigated in 100% aqueous medium and it was found that it could be used as an efficient fluorescent probe for pH. Due to the non-emissive deexcitation nature of the TICT fluorophore, the novel system showed low yellow–green emission, which represented “power-on”/“rotor-on” state. The protonation of the methylpiperazine amine destabilized the TICT process, which was accompanied by fluorescence enhancement indicating a “power-on”/“rotor-off” state of the system. The results obtained clearly illustrated the great potential of the synthesized compound to serve as pH- and viscosity-sensing material in aqueous solution.
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Affiliation(s)
- Ventsislav V. Bakov
- Department of Organic Synthesis, University of Chemical Technology and Metallurgy, 8 Kliment Ohridsky Str., 1756 Sofia, Bulgaria
| | - Nikolai I. Georgiev
- Department of Organic Synthesis, University of Chemical Technology and Metallurgy, 8 Kliment Ohridsky Str., 1756 Sofia, Bulgaria
- Correspondence: (N.I.G.); (V.B.B.); Tel.: +359-2-8163207 (N.I.G.); +359-2-8163206 (V.B.B.)
| | - Vladimir B. Bojinov
- Department of Organic Synthesis, University of Chemical Technology and Metallurgy, 8 Kliment Ohridsky Str., 1756 Sofia, Bulgaria
- Bulgarian Academy of Sciences, 1040 Sofia, Bulgaria
- Correspondence: (N.I.G.); (V.B.B.); Tel.: +359-2-8163207 (N.I.G.); +359-2-8163206 (V.B.B.)
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Georgiev NI, Krasteva PV, Bakov VV, Bojinov VB. A Highly Water-Soluble and Solid State Emissive 1,8-Naphthalimide as a Fluorescent PET Probe for Determination of pHs, Acid/Base Vapors, and Water Content in Organic Solvents. Molecules 2022; 27:molecules27134229. [PMID: 35807479 PMCID: PMC9268048 DOI: 10.3390/molecules27134229] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2022] [Revised: 06/24/2022] [Accepted: 06/28/2022] [Indexed: 12/25/2022] Open
Abstract
A new highly water-soluble 1,8-naphthalimide fluorophore designed on the “fluorophore-spacer-receptor1-receptor2” model has been synthesized. Due to the unusually high solubility in water, the novel compound proved to be a selective PET-based probe for the determination of pHs in aqueous solutions and rapid detection of water content in organic solvents. Based on the pH dependence of the probe and its high water solubility, the INH logic gate was achieved using NaOH and water as chemical inputs, where NaOH is the disabler and the water is an enabler. In addition, the probe showed effective fluorescence “off-on” reversibility on glass support after exposure to acid and base vapors, which defines it as a promising platform for rapid detection of acid/base vapors in the solid-state, thus extending the molecular sensing concept from solution to the solid support.
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Affiliation(s)
- Nikolai I. Georgiev
- Correspondence: (N.I.G.); (V.B.B.); Tel.: +35-(92)-8163207 (N.I.G.); +35-(92)-8163206 (V.B.B.)
| | | | | | - Vladimir B. Bojinov
- Correspondence: (N.I.G.); (V.B.B.); Tel.: +35-(92)-8163207 (N.I.G.); +35-(92)-8163206 (V.B.B.)
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7
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Tigoianu R, Airinei A, Georgescu E, Nicolescu A, Georgescu F, Isac DL, Deleanu C, Oancea F. Synthesis and Solvent Dependent Fluorescence of Some Piperidine-Substituted Naphthalimide Derivatives and Consequences for Water Sensing. Int J Mol Sci 2022; 23:2760. [PMID: 35269899 PMCID: PMC8911315 DOI: 10.3390/ijms23052760] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2022] [Revised: 02/21/2022] [Accepted: 02/28/2022] [Indexed: 02/05/2023] Open
Abstract
Novel fluorescent strigolactone derivatives that contain the piperidine-substituted 1,8-naphthalimide ring system connected through an ether link to a bioactive 3-methyl-furan-2-one unit were synthesized and their spectroscopic properties investigated. The solvatochromic behavior of these piperidine-naphthalimides was monitored in solvents of different polarity using the electronic absorption and fluorescence spectra. These compounds exhibited a strong positive solvatochromism taking into account the change of solvent polarity, and the response mechanism was analyzed by fluorescence lifetime measurements. According to Catalan and [f(n), f(ε), β, α] solvent scales, the dipolarity and polarizability are relevant to describe the solute-solvent interactions. The emission chemosensing activity was discussed in order to determine the water content in organic environments. The emission intensity of these compounds decreased rapidly in dioxane, increasing water level up to 10%. Measuring of quantum yield indicated that the highest values of quantum efficiency were obtained in nonpolar solvents, while in polar solvents these derivatives revealed the lowest quantum yield. The fluorescence decay can be described by a monoexponential model for low water levels, and for higher water contents a biexponential model was valid.
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Affiliation(s)
- Radu Tigoianu
- Petru Poni Institute of Macromolecular Chemistry, Romanian Academy, Aleea Grigore Ghica Voda 41A, 700487 Iasi, Romania; (R.T.); (D.L.I.); (C.D.)
| | - Anton Airinei
- Petru Poni Institute of Macromolecular Chemistry, Romanian Academy, Aleea Grigore Ghica Voda 41A, 700487 Iasi, Romania; (R.T.); (D.L.I.); (C.D.)
| | - Emilian Georgescu
- C. D. Nenitescu Centre of Organic Chemistry, Romanian Academy, Splaiul Independentei 202B, 060023 Bucharest, Romania;
- Research Center, Chimcomplex S.A., St. Uzinei 1, 240050 Ramnicu Valcea, Romania
| | - Alina Nicolescu
- Petru Poni Institute of Macromolecular Chemistry, Romanian Academy, Aleea Grigore Ghica Voda 41A, 700487 Iasi, Romania; (R.T.); (D.L.I.); (C.D.)
| | | | - Dragos Lucian Isac
- Petru Poni Institute of Macromolecular Chemistry, Romanian Academy, Aleea Grigore Ghica Voda 41A, 700487 Iasi, Romania; (R.T.); (D.L.I.); (C.D.)
| | - Calin Deleanu
- Petru Poni Institute of Macromolecular Chemistry, Romanian Academy, Aleea Grigore Ghica Voda 41A, 700487 Iasi, Romania; (R.T.); (D.L.I.); (C.D.)
- C. D. Nenitescu Centre of Organic Chemistry, Romanian Academy, Splaiul Independentei 202B, 060023 Bucharest, Romania;
| | - Florin Oancea
- National Research and Development Institute for Chemistry and Petrochemistry—ICECHIM, Splaiul Independentei 202B, 060023 Bucharest, Romania;
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Pengpeng X, Jiangtai C, Gaofan S, Mengmeng Z, Wanchen Y, Xiangde L, Dongdong Z. Research Progress of Naphthalimide Derivatives Optical Probes for Monitoring Physical and Chemical Properties of Microenvironment and Active Sulfur Substances. CHINESE J ORG CHEM 2022. [DOI: 10.6023/cjoc202205009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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9
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Controlling the photoswitching of 2-(4′-diethylamino-2′-hydroxyphenyl)-1H-imidazo-[4,5-b]pyridine by pH. J Photochem Photobiol A Chem 2021. [DOI: 10.1016/j.jphotochem.2021.113504] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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10
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Georgiev NI, Bryaskova RG, Ismail SR, Philipova ND, Uzunova VP, Bakov VV, Tzoneva RD, Bojinov VB. Aggregation induced emission in 1,8-naphthalimide embedded nanomicellar architecture as a platform for fluorescent ratiometric pH-probe with biomedical applications. J Photochem Photobiol A Chem 2021. [DOI: 10.1016/j.jphotochem.2021.113380] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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11
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Hayashi Y, Suzuki N, Maeda T, Fujiwara H, Yagi S. Photophysical properties of 4-(5-methylthiophen-2-yl)pyridinium–cyclic enolate betaine dyes tuned by control of twisted intramolecular transfer. NEW J CHEM 2021. [DOI: 10.1039/d1nj00714a] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
In this paper, thienylpyridinium–cyclic enolate betaine (TPB) dyes were reported as unique skeletons of fluorescent donor–acceptor type molecules.
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Affiliation(s)
- Yuichiro Hayashi
- Department of Applied Chemistry
- Graduate School of Engineering
- Osaka Prefecture University
- Osaka 599-8531
- Japan
| | - Naoya Suzuki
- Department of Applied Chemistry
- Graduate School of Engineering
- Osaka Prefecture University
- Osaka 599-8531
- Japan
| | - Takeshi Maeda
- Department of Applied Chemistry
- Graduate School of Engineering
- Osaka Prefecture University
- Osaka 599-8531
- Japan
| | - Hideki Fujiwara
- Department of Chemistry
- Graduate School of Science
- Osaka Prefecture University
- Osaka 599-8531
- Japan
| | - Shigeyuki Yagi
- Department of Applied Chemistry
- Graduate School of Engineering
- Osaka Prefecture University
- Osaka 599-8531
- Japan
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