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Truksa J, Kratochvíl M, Richtár J, Ivanová L, Weiter M, Krajčovič J, Lukeš V. Spectroscopic behavior differences between lumazine and alloxazine in the DMSO-water mixture. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2023; 302:122998. [PMID: 37356394 DOI: 10.1016/j.saa.2023.122998] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/22/2023] [Revised: 05/19/2023] [Accepted: 06/08/2023] [Indexed: 06/27/2023]
Abstract
The absorption and emission spectra were investigated for lumazine, alloxazine and their cyanated or fluorinated derivatives, respectively. The spectroscopic properties were modulated by varying water concentration in dimethyl sulfoxide (DMSO). Some intriguing experimental results were found for the samples containing 65 % of water and 35% of DMSO. This finding is consistent with previously published molecular dynamics (MD) simulations confirming the concept of the 'local bulk' model. In this case, a notable decrease in absorption and emission intensities was registered, even larger than the water quenching observed in other cases. The changes in midrange DMSO concentrations could be explained by the formation of local solvents structures as predicted by MD, specifically the formation of DMSO·2H2O dimers. Experimentally, the cyano-substituted lumazine has shown a remarkable sensitivity to DMSO concentration. The spectroscopic measurements were interpreted using the density functional theory where the implicit DMSO solvent model was combined with explicit water molecules. Together with its enhanced water solubility, the cyanated lumazine derivate could be used for non-destructive DMSO detection in vitro for applications such as drug uptake monitoring, since DMSO is often used in pharmaceutical practice.
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Affiliation(s)
- Jan Truksa
- Faculty of Chemistry, Brno University of Technology, Purkyňova 118, CZ-612 00 Brno, Czech Republic.
| | - Matouš Kratochvíl
- Faculty of Chemistry, Brno University of Technology, Purkyňova 118, CZ-612 00 Brno, Czech Republic
| | - Jan Richtár
- Faculty of Chemistry, Brno University of Technology, Purkyňova 118, CZ-612 00 Brno, Czech Republic
| | - Lucia Ivanová
- Faculty of Chemistry, Brno University of Technology, Purkyňova 118, CZ-612 00 Brno, Czech Republic
| | - Martin Weiter
- Faculty of Chemistry, Brno University of Technology, Purkyňova 118, CZ-612 00 Brno, Czech Republic
| | - Jozef Krajčovič
- Faculty of Chemistry, Brno University of Technology, Purkyňova 118, CZ-612 00 Brno, Czech Republic; Dipartimento di Chimica, Università degli Studi di Bari Aldo Moro, via Orabona, 4-70125 Bari, Italy
| | - Vladimír Lukeš
- Institute of Physical Chemistry and Chemical Physics, Slovak University of Technology in Bratislava, Radlinského 9, SK-812 37 Bratislava, Slovakia
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Golczak A, Prukała D, Sikorska E, Gierszewski M, Cherkas V, Kwiatek D, Kubiak A, Varma N, Pędziński T, Murphree S, Cibulka R, Mrówczyńska L, Kolanowski JL, Sikorski M. Tetramethylalloxazines as efficient singlet oxygen photosensitizers and potential redox-sensitive agents. Sci Rep 2023; 13:13426. [PMID: 37591918 PMCID: PMC10435492 DOI: 10.1038/s41598-023-40536-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2023] [Accepted: 08/12/2023] [Indexed: 08/19/2023] Open
Abstract
Tetramethylalloxazines (TMeAll) have been found to have a high quantum yield of singlet oxygen generation when used as photosensitizers. Their electronic structure and transition energies (S0 → Si, S0 → Ti, T1 → Ti) were calculated using DFT and TD-DFT methods and compared to experimental absorption spectra. Generally, TMeAll display an energy diagram similar to other derivatives belonging to the alloxazine class of compounds, namely π,π* transitions are accompanied by closely located n,π* transitions. Photophysical data such as quantum yields of fluorescence, fluorescence lifetimes, and nonradiative rate constants were also studied in methanol (MeOH), acetonitrile (ACN), and 1,2-dichloroethane (DCE). The transient absorption spectra were also analyzed. To assess cytotoxicity of new compounds, a hemolytic assay was performed using human red blood cells (RBC) in vitro. Subsequently, fluorescence lifetime imaging experiments (FLIM) were performed on RBC under physiological and oxidative stress conditions alone or in the presence of TMeAll allowing for pinpointing changes caused by those compounds on the intracellular environment of these cells.
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Affiliation(s)
- Anna Golczak
- Faculty of Chemistry, Adam Mickiewicz University, Uniwersytetu Poznańskiego 8, 61-614, Poznan, Poland
| | - Dorota Prukała
- Faculty of Chemistry, Adam Mickiewicz University, Uniwersytetu Poznańskiego 8, 61-614, Poznan, Poland
| | - Ewa Sikorska
- Poznań University of Economics and Business, Al. Niepodległości 10, 61-875, Poznan, Poland
| | - Mateusz Gierszewski
- Faculty of Physics, Adam Mickiewicz University, Uniwersytetu Poznańskiego 2, 61-614, Poznan, Poland
| | - Volodymyr Cherkas
- Institute of Bioorganic Chemistry, Polish Academy of Sciences, Noskowskiego 12/14, 61-704, Poznan, Poland
| | - Dorota Kwiatek
- Institute of Bioorganic Chemistry, Polish Academy of Sciences, Noskowskiego 12/14, 61-704, Poznan, Poland
| | - Adam Kubiak
- Faculty of Chemistry, Adam Mickiewicz University, Uniwersytetu Poznańskiego 8, 61-614, Poznan, Poland
| | - Naisargi Varma
- Faculty of Chemistry, Adam Mickiewicz University, Uniwersytetu Poznańskiego 8, 61-614, Poznan, Poland
| | - Tomasz Pędziński
- Faculty of Chemistry, Adam Mickiewicz University, Uniwersytetu Poznańskiego 8, 61-614, Poznan, Poland
| | - Shaun Murphree
- Department of Chemistry, Allegheny College, 520 N. Main Street, Meadville, PA, USA
| | - Radek Cibulka
- Department of Organic Chemistry, University of Chemistry and Technology, Prague, Technicka 5, 16628, Prague 6, Czech Republic.
| | - Lucyna Mrówczyńska
- Faculty of Biology, Adam Mickiewicz University, Uniwersytetu Poznańskiego 6, 61-614, Poznan, Poland.
| | - Jacek Lukasz Kolanowski
- Institute of Bioorganic Chemistry, Polish Academy of Sciences, Noskowskiego 12/14, 61-704, Poznan, Poland.
| | - Marek Sikorski
- Faculty of Chemistry, Adam Mickiewicz University, Uniwersytetu Poznańskiego 8, 61-614, Poznan, Poland.
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Das S, Singha PK, Singh AK, Datta A. The Role of Hydrogen Bonding in the Preferential Solvation of 5-Aminoquinoline in Binary Solvent Mixtures. J Phys Chem B 2021; 125:12763-12773. [PMID: 34709811 DOI: 10.1021/acs.jpcb.1c06208] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
5-Aminoquinoline (5AQ) has been used as a fluorescent probe of preferential solvation (PS) in binary solvent mixtures in which the nonpolar component is diethyl ether and the polar component is protic (methanol) or aprotic (acetonitrile). Hence, the roles of solvent polarity and solute-solvent hydrogen bonding have been delineated. Positive deviations of spectral shifts from a linear dependence on the concentration of the polar component, signifying PS, are markedly more pronounced in case of the protic solvent. Solvation dynamics on a nanosecond time scale mark the formation of the solvation shell around the fluorescent probe. Time-resolved area-normalized emission spectra indicate the occurrence of the continuous solvation of the excited state when the polar component is acetonitrile. In contrast, two distinct states were observed when the polar component was methanol, the second state being the hydrogen bonded one. Translational diffusion is the rate-determining step for formation of the solvation shell. The time constant associated with it has been estimated from rise times observed in fluorescence transients monitored at the red end of the fluorescence spectra and also from the time evolution of the spectral width of time-resolved emission spectra.
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Affiliation(s)
- Sharmistha Das
- Department of Chemistry, Indian Institute of Technology Bombay, Mumbai 400076, India
| | - Prajit Kumar Singha
- Department of Chemistry, Indian Institute of Technology Bombay, Mumbai 400076, India
| | - Avinash Kumar Singh
- Department of Chemistry, Indian Institute of Technology Bombay, Mumbai 400076, India
| | - Anindya Datta
- Department of Chemistry, Indian Institute of Technology Bombay, Mumbai 400076, India
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Dutta Choudhury S, Mohanty J. Photoinduced electron transfer in host-guest interactions of lumichrome with p-sulfonatocalix[6]arene. J Mol Liq 2021. [DOI: 10.1016/j.molliq.2020.114955] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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6
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Sinha S, Gharat PM, Pal H, Dutta Choudhury S. Lumichrome tautomerism in alcohol-water mixtures: Effect of carbon chain length and mole fraction of alcohols. J Mol Liq 2020. [DOI: 10.1016/j.molliq.2020.113621] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Yang G, Jin X, Chen K, Yang D. Hydrogen bonding interactions induced excited state proton transfer and fluoride anion sensing mechanism for 2‐(3,5‐dichloro‐2,6‐dihydroxy‐phenyl)‐benzoxazole‐5‐carboxylicacid. J PHYS ORG CHEM 2020. [DOI: 10.1002/poc.4054] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Guang Yang
- Basic Teaching DepartmentJiaozuo University Jiaozuo China
| | - Xiaofeng Jin
- Basic Teaching DepartmentJiaozuo University Jiaozuo China
| | - Kaifeng Chen
- Basic Teaching DepartmentJiaozuo University Jiaozuo China
| | - Dapeng Yang
- College of Physics and ElectronicsNorth China University of Water Resources and Electric Power Zhengzhou China
- State Key Laboratory of Molecular Reaction DynamicsDalian Institute of Chemical Physics, Chinese Academy of Sciences Dalian China
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Das S, Singh AK, Biswas DS, Datta A. Dynamics of Preferential Solvation of 5-Aminoquinoline in Hexane–Alcohol Solvent Mixtures. J Phys Chem B 2019; 123:10267-10274. [DOI: 10.1021/acs.jpcb.9b09143] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Sharmistha Das
- Department of Chemistry, Indian Institute of Technology Bombay, Mumbai 400076, India
| | - Avinash Kumar Singh
- Department of Chemistry, Indian Institute of Technology Bombay, Mumbai 400076, India
| | - Deep Sekhar Biswas
- Department of Chemistry, Indian Institute of Technology Bombay, Mumbai 400076, India
| | - Anindya Datta
- Department of Chemistry, Indian Institute of Technology Bombay, Mumbai 400076, India
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Gharat PM, Chethodil JM, Srivastava AP, P. K. P, Pal H, Dutta Choudhury S. An insight into the molecular and surface state photoluminescence of carbon dots revealed through solvent-induced modulations in their excitation wavelength dependent emission properties. Photochem Photobiol Sci 2019; 18:110-119. [DOI: 10.1039/c8pp00373d] [Citation(s) in RCA: 34] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Solvent environment can uniquely alter excitation wavelength dependent photoluminescence of carbon dots.
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Affiliation(s)
- Poojan Milan Gharat
- Radiation & Photochemistry Division
- Bhabha Atomic Research Centre
- Mumbai 400 085
- India
| | - Jiddhu M. Chethodil
- Department of Nanotechnology
- Noorul Islam Centre for Higher Education
- Kumaracoil, Kanyakumari District
- India
| | - Amit P. Srivastava
- Mechanical Metallurgy Division
- Bhabha Atomic Research Centre
- Mumbai 400085
- India
| | - Praseetha P. K.
- Department of Nanotechnology
- Noorul Islam Centre for Higher Education
- Kumaracoil, Kanyakumari District
- India
| | - Haridas Pal
- Radiation & Photochemistry Division
- Bhabha Atomic Research Centre
- Mumbai 400 085
- India
- Homi Bhabha National Institute
| | - Sharmistha Dutta Choudhury
- Radiation & Photochemistry Division
- Bhabha Atomic Research Centre
- Mumbai 400 085
- India
- Homi Bhabha National Institute
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Das K, Satpathi S, Hazra P. Effect of Bile Salt Aggregates on the Prototropic Equilibria of Harmine, a Fluorescent β-Carboline Alkaloid. ChemistrySelect 2018. [DOI: 10.1002/slct.201702817] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Konoya Das
- Department of Chemistry; Indian Institute of Science Education and Research (IISER); Pune 411008), Maharashtra India
| | - Sagar Satpathi
- Department of Chemistry; Indian Institute of Science Education and Research (IISER); Pune 411008), Maharashtra India
| | - Partha Hazra
- Department of Chemistry; Indian Institute of Science Education and Research (IISER); Pune 411008), Maharashtra India
- Centre for Energy Science; Indian Institute of Science Education and Research (IISER); Pune 411008), Maharashtra India
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Gharat PM, Maity DK, Pal H, Dutta Choudhury S. Inhibition of the prototropic tautomerism in chrysazine by p-sulfonatocalixarene hosts. Org Biomol Chem 2018; 16:5178-5187. [DOI: 10.1039/c8ob00978c] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
This study reveals the unusual inhibition of excited-state prototropic tautomerism of Chrysazine by p-sulfonatocalix[4,6]arene hosts.
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Affiliation(s)
- Poojan Milan Gharat
- Radiation & Photochemistry Division
- Bhabha Atomic Research Centre
- Mumbai 400085
- India
| | - Dilip Kumar Maity
- Homi Bhabha National Institute
- Training School Complex
- Mumbai 400094
- India
| | - Haridas Pal
- Radiation & Photochemistry Division
- Bhabha Atomic Research Centre
- Mumbai 400085
- India
- Homi Bhabha National Institute
| | - Sharmistha Dutta Choudhury
- Radiation & Photochemistry Division
- Bhabha Atomic Research Centre
- Mumbai 400085
- India
- Homi Bhabha National Institute
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12
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Khattab M, Wang F, Clayton AHA. Micro-solvation of tyrosine-kinase inhibitor AG1478 explored with fluorescence spectroscopy and computational chemistry. RSC Adv 2017. [DOI: 10.1039/c7ra04435f] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023] Open
Abstract
Fluorescence quenching of the anticancer AG1478, by at least three explicit water molecules, can be exploited to probe drug–protein binding interactions.
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Affiliation(s)
- Muhammad Khattab
- Centre for Micro-Photonics
- Faculty of Science, Engineering and Technology
- Swinburne University of Technology
- Melbourne
- Australia
| | - Feng Wang
- Molecular Model Discovery Laboratory
- Department of Chemistry and Biotechnology
- School of Science
- Faculty of Science, Engineering and Technology
- Swinburne University of Technology
| | - Andrew H. A. Clayton
- Centre for Micro-Photonics
- Faculty of Science, Engineering and Technology
- Swinburne University of Technology
- Melbourne
- Australia
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