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Miao J, Yao G, Huo Y, Wang B, Zhao W, Guo W. Constructing Heavy-Atom-Free Photosensitizers for Hypoxic Tumor Phototherapy Based on Donor-Excited Photoinduced Electron-Transfer-Driven Type-I and Type-II Mechanisms. ACS APPLIED MATERIALS & INTERFACES 2024. [PMID: 39042585 DOI: 10.1021/acsami.4c02175] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/25/2024]
Abstract
The spin-orbit charge transfer intersystem crossing (SOCT-ISC) photophysical process has shown great potential for constructing heavy-atom-free photosensitizers (PSs) for photodynamic therapy (PDT) of tumors. However, for almost all such PSs reported to date, the SOCT-ISC is driven by the acceptor-excited photoinduced electron transfer (a-PeT). In this work, for the first time the donor-excited photoinduced electron transfer (d-PeT)-driven SOCT-ISC mechanism is utilized to construct the heavy-atom-free PSs for PDT of tumors by directly installing the electron-deficient N-alkylquinolinium unit (as an electron acceptor) into the meso-position of the near-infrared (NIR) distyryl Bodipy chromophore (as an electron donor). In the less polar environment, the PSs exist as the monomer and promote the production of singlet oxygen (1O2) (Type-II) relying on the d-PeT-driven population of the triplet excited state via SOCT-ISC, whereas in the aqueous environment, they exist as nanoaggregates and induce the generation of superoxides (O2-•) and hydroxyl radicals (HO•) (Type-I) via the d-PeT-driven formation of the delocalized charge-separated state. The PSs could rapidly be internalized into cancer cells and induce the simultaneous production of intracellular 1O2, O2-•, and HO• upon NIR light irradiation, endowing the PSs with superb photocytotoxicity with IC50 values up to submicromolar levels whether under normoxia or under hypoxia. Based on the PSs platform, a tumor-targetable PS is developed, and its abilities in killing cancer cells and in ablating tumors without damage to normal cells/tissues under NIR light irradiation are verified in vitro and in vivo. The study expands the design scope of PSs by introducing the d-PeT conception, thus being highly valuable for achieving novel PSs in the realm of tumor PDT.
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Affiliation(s)
- Junfeng Miao
- School of Chemistry and Chemical Engineering, Shanxi University, Taiyuan 030006, China
| | - Guangxiao Yao
- School of Chemistry and Chemical Engineering, Shanxi University, Taiyuan 030006, China
| | - Yingying Huo
- School of Chemistry and Chemical Engineering, Shanxi University, Taiyuan 030006, China
| | - Beibei Wang
- School of Chemistry and Chemical Engineering, Shanxi University, Taiyuan 030006, China
| | - Wei Zhao
- School of Chemistry and Chemical Engineering, Shanxi University, Taiyuan 030006, China
| | - Wei Guo
- School of Chemistry and Chemical Engineering, Shanxi University, Taiyuan 030006, China
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Kobayashi Y, Fukuda D, Okayasu Y, Nagai Y. Relaxation dynamics of higher excited states of perylene-substituted perylene bisimide derivatives. J Chem Phys 2024; 161:034308. [PMID: 39017426 DOI: 10.1063/5.0205882] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2024] [Accepted: 06/28/2024] [Indexed: 07/18/2024] Open
Abstract
Stepwise two-photon absorption processes have received considerable attention, especially in photocatalysis, due to their relatively lower power threshold, characteristic spatial selectivity, amplification of chemical reactions, and so on. Meanwhile, studies on the relaxation dynamics of higher excited states in condensed systems have been limited for several molecular systems due to the short-lived nature of these states. In this study, we synthesized perylene-substituted perylene bisimide (PBI) and its derivate as model compounds and investigated their excited-state dynamics, including higher excited states, using pump-repump-probe spectroscopy. We revealed that these molecules form charge-transfer (CT) states instantaneously after the excitation, regardless of whether it is the perylene moiety or the PBI moiety that is excited. The lifetime of the CT state was shorter when the distance between the donor (perylene) and the acceptor (PBI) was shorter. Moreover, we also revealed that a higher-lying CT state generated by the stepwise excitation of the CT state using a 740-nm pulse induced Stark effect to the neighboring perylene moiety. The Stark effect not only gives more detailed information about the CT state, but also presents the possibility of new photofunctions, such as instantaneous modulation of the electronic state to achieve optimal electronic properties. These insights contribute to understanding advanced photochemical reactions and would be important for exploring photocatalytic reactions involving higher excited states.
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Affiliation(s)
- Yoichi Kobayashi
- Department of Applied Chemistry, College of Life Sciences, Ritsumeikan University, 1-1-1 Nojihigashi, Kusatsu, Shiga 525-8577, Japan
| | - Daiki Fukuda
- Department of Applied Chemistry, College of Life Sciences, Ritsumeikan University, 1-1-1 Nojihigashi, Kusatsu, Shiga 525-8577, Japan
| | - Yoshinori Okayasu
- Department of Applied Chemistry, College of Life Sciences, Ritsumeikan University, 1-1-1 Nojihigashi, Kusatsu, Shiga 525-8577, Japan
| | - Yuki Nagai
- Department of Applied Chemistry, College of Life Sciences, Ritsumeikan University, 1-1-1 Nojihigashi, Kusatsu, Shiga 525-8577, Japan
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3
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Waly SMA, Benniston AC, Harriman A. Deducing the conformational space for an octa-proline helix. Chem Sci 2024; 15:1657-1671. [PMID: 38303943 PMCID: PMC10829019 DOI: 10.1039/d3sc05287g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2023] [Accepted: 12/20/2023] [Indexed: 02/03/2024] Open
Abstract
A molecular dyad, PY-P8-PER, comprising a proline octamer sandwiched between pyrene and perylene terminals has been synthesized in order to address the dynamics of electronic energy transfer (EET) along the oligo-proline chain. A simple pyrene-based control compound equipped with a bis-proline attachment serves as a reference for spectroscopic studies. The N-H NMR signal at the terminal pyrene allows distinction between cis and trans amides and, although the crystal structure for the control has the trans conformation, temperature-dependent NMR studies provide clear evidence for trans/cis isomerisation in D6-DMSO. Polar solvents tend to stabilise the trans structure for the pyrene amide group, even for longer oligo-proline units. Circular dichroism shows that the proline spacer for PY-P8-PER exists mainly in the all-trans geometry in methanol. Preferential excitation of the pyrene chromophore is possible at wavelengths in the 320-350 nm range and, for the dyad, is followed by efficacious EET to the perylene emitter. The probability for intramolecular EET, obtained from analysis of steady-state spectroscopic data, is ca. 80-90% in solvents of disparate polarity. Comparison with the Förster critical distance suggests the terminals are ca. 18 Å apart. Time-resolved fluorescence spectroscopy, in conjunction with DFT calculations, indicates the dyad exists as a handful of conformers displaying a narrow range of EET rates. Optimisation of a distributive model allows accurate simulation of the EET dynamics in terms of reasonable structures based on isomerisation of certain amide groups.
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Affiliation(s)
- Sara M A Waly
- Molecular Photonics Laboratory, Bedson Building, School of Natural and Environmental Sciences, Newcastle University Newcastle upon Tyne NE1 7RU UK
| | - Andrew C Benniston
- Molecular Photonics Laboratory, Bedson Building, School of Natural and Environmental Sciences, Newcastle University Newcastle upon Tyne NE1 7RU UK
| | - Anthony Harriman
- Molecular Photonics Laboratory, Bedson Building, School of Natural and Environmental Sciences, Newcastle University Newcastle upon Tyne NE1 7RU UK
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4
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Hua Y, Strauss M, Fisher S, Mauser MFX, Manchet P, Smacchia M, Geyer P, Shayeghi A, Pfeffer M, Eggenweiler TH, Daly S, Commandeur J, Mayor M, Arndt M, Šolomek T, Köhler V. Giving the Green Light to Photochemical Uncaging of Large Biomolecules in High Vacuum. JACS AU 2023; 3:2790-2799. [PMID: 37885583 PMCID: PMC10598566 DOI: 10.1021/jacsau.3c00351] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/04/2023] [Revised: 10/02/2023] [Accepted: 10/02/2023] [Indexed: 10/28/2023]
Abstract
The isolation of biomolecules in a high vacuum enables experiments on fragile species in the absence of a perturbing environment. Since many molecular properties are influenced by local electric fields, here we seek to gain control over the number of charges on a biopolymer by photochemical uncaging. We present the design, modeling, and synthesis of photoactive molecular tags, their labeling to peptides and proteins as well as their photochemical validation in solution and in the gas phase. The tailored tags can be selectively cleaved off at a well-defined time and without the need for any external charge-transferring agents. The energy of a single or two green photons can already trigger the process, and it is soft enough to ensure the integrity of the released biomolecular cargo. We exploit differences in the cleavage pathways in solution and in vacuum and observe a surprising robustness in upscaling the approach from a model system to genuine proteins. The interaction wavelength of 532 nm is compatible with various biomolecular entities, such as oligonucleotides or oligosaccharides.
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Affiliation(s)
- Yong Hua
- Department
of Chemistry, University of Basel, St. Johannsring 19, CH-4056 Basel, Switzerland
| | - Marcel Strauss
- Vienna
Faculty of Physics, University of Vienna,
VDSP & VCQ, Boltzmanngasse 5, A-1090 Vienna, Austria
| | - Sergey Fisher
- Van’t
Hoff Institute for Molecular Sciences (HIMS), University of Amsterdam, PO Box 94157, 1090 GD Amsterdam, The Netherlands
| | - Martin F. X. Mauser
- Vienna
Faculty of Physics, University of Vienna,
VDSP & VCQ, Boltzmanngasse 5, A-1090 Vienna, Austria
| | - Pierre Manchet
- Vienna
Faculty of Physics, University of Vienna,
VDSP & VCQ, Boltzmanngasse 5, A-1090 Vienna, Austria
| | - Martina Smacchia
- Vienna
Faculty of Physics, University of Vienna,
VDSP & VCQ, Boltzmanngasse 5, A-1090 Vienna, Austria
| | - Philipp Geyer
- Vienna
Faculty of Physics, University of Vienna,
VDSP & VCQ, Boltzmanngasse 5, A-1090 Vienna, Austria
| | - Armin Shayeghi
- Vienna
Faculty of Physics, University of Vienna,
VDSP & VCQ, Boltzmanngasse 5, A-1090 Vienna, Austria
| | - Michael Pfeffer
- Department
of Chemistry, University of Basel, St. Johannsring 19, CH-4056 Basel, Switzerland
| | - Tim Henri Eggenweiler
- Department
of Chemistry, University of Basel, St. Johannsring 19, CH-4056 Basel, Switzerland
| | - Steven Daly
- MS
Vision, Televisieweg
40, 1322 AM Almere, The Netherlands
| | - Jan Commandeur
- MS
Vision, Televisieweg
40, 1322 AM Almere, The Netherlands
| | - Marcel Mayor
- Department
of Chemistry, University of Basel, St. Johannsring 19, CH-4056 Basel, Switzerland
- Institute
for Nanotechnology (INT), Karlsruhe Institute
of Technology (KIT), P.O. Box 3640, DE-76021 Karlsruhe Eggenstein-Leopoldshafen, Germany
- Lehn Institute
of Functional Materials, School of Chemistry, Sun Yat-Sen University, Guangzhou 510274, P. R. China
| | - Markus Arndt
- Vienna
Faculty of Physics, University of Vienna,
VDSP & VCQ, Boltzmanngasse 5, A-1090 Vienna, Austria
| | - Tomáš Šolomek
- Van’t
Hoff Institute for Molecular Sciences (HIMS), University of Amsterdam, PO Box 94157, 1090 GD Amsterdam, The Netherlands
| | - Valentin Köhler
- Department
of Chemistry, University of Basel, St. Johannsring 19, CH-4056 Basel, Switzerland
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5
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Ishchenko AA, Syniugina AT. Structure and Photosensitaizer Ability of Polymethine Dyes in Photodynamic Therapy: A Review. THEOR EXP CHEM+ 2023. [DOI: 10.1007/s11237-023-09754-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/07/2023]
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6
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Ye K, Cao L, van Raamsdonk DME, Wang Z, Zhao J, Escudero D, Jacquemin D. Naphthalimide-phenothiazine dyads: effect of conformational flexibility and matching of the energy of the charge-transfer state and the localized triplet excited state on the thermally activated delayed fluorescence. Beilstein J Org Chem 2022; 18:1435-1453. [PMID: 36300011 PMCID: PMC9577389 DOI: 10.3762/bjoc.18.149] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2022] [Accepted: 09/26/2022] [Indexed: 11/23/2022] Open
Abstract
In order to investigate the joint influence of the conformation flexibility and the matching of the energies of the charge-transfer (CT) and the localized triplet excited (3LE) states on the thermally activated delayed fluorescence (TADF) in electron donor-acceptor molecules, a series of compact electron donor-acceptor dyads and a triad were prepared, with naphthalimide (NI) as electron acceptor and phenothiazine (PTZ) as electron donor. The NI and PTZ moieties are either directly connected at the 3-position of NI and the N-position of the PTZ moiety via a C-N single bond, or they are linked through a phenyl group. The tuning of the energy order of the CT and LE states is achieved by oxidation of the PTZ unit into the corresponding sulfoxide, whereas conformation restriction is imposed by introducing ortho-methyl substituents on the phenyl linker, so that the coupling magnitude between the CT and the 3LE states can be controlled. The singlet oxygen quantum yield (ΦΔ) of NI-PTZ is moderate in n-hexane (HEX, ΦΔ = 19%). TADF was observed for the dyads, the biexponential luminescence lifetime are 16.0 ns (99.9%)/14.4 μs (0.1%) for the dyad and 7.2 ns (99.6%)/2.0 μs (0.4%) for the triad. Triplet state was observed in the nanosecond transient absorption spectra with lifetimes in the 4-48 μs range. Computational investigations show that the orthogonal electron donor-acceptor molecular structure is beneficial for TADF. These calculations indicate small energetic difference between the 3LE and 3CT states, which are helpful for interpreting the ns-TA spectra and the origins of TADF in NI-PTZ, which is ultimately due to the small energetic difference between the 3LE and 3CT states. Conversely, NI-PTZ-O, which has a higher CT state and bears a much more stabilized 3LE state, does not show TADF.
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Affiliation(s)
- Kaiyue Ye
- State Key Laboratory of Fine Chemicals, Frontiers Science Center for Smart Materials, School of Chemical Engineering, Dalian University of Technology, Dalian 116024, P. R. China
| | - Liyuan Cao
- State Key Laboratory of Fine Chemicals, Frontiers Science Center for Smart Materials, School of Chemical Engineering, Dalian University of Technology, Dalian 116024, P. R. China
| | | | - Zhijia Wang
- State Key Laboratory of Fine Chemicals, Frontiers Science Center for Smart Materials, School of Chemical Engineering, Dalian University of Technology, Dalian 116024, P. R. China
| | - Jianzhang Zhao
- State Key Laboratory of Fine Chemicals, Frontiers Science Center for Smart Materials, School of Chemical Engineering, Dalian University of Technology, Dalian 116024, P. R. China
- State Key Laboratory of Chemistry and Utilization of Carbon Based Energy Resources, College of Chemistry, Xinjiang University, Urumqi 830017, P. R. China
| | | | - Denis Jacquemin
- Nantes Université, CNRS, CEISAM UMR-6230, Nantes F-44000, France
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7
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Ndung’u C, LaMaster DJ, Dhingra S, Mitchell NH, Bobadova-Parvanova P, Fronczek FR, Elgrishi N, Vicente MDGH. A Comparison of the Photophysical, Electrochemical and Cytotoxic Properties of meso-(2-, 3- and 4-Pyridyl)-BODIPYs and Their Derivatives. SENSORS (BASEL, SWITZERLAND) 2022; 22:5121. [PMID: 35890801 PMCID: PMC9315496 DOI: 10.3390/s22145121] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 05/18/2022] [Revised: 06/11/2022] [Accepted: 06/14/2022] [Indexed: 06/15/2023]
Abstract
Boron dipyrromethene (BODIPY) dyes bearing a pyridyl moiety have been used as metal ion sensors, pH sensors, fluorescence probes, and as sensitizers for phototherapy. A comparative study of the properties of the three structural isomers of meso-pyridyl-BODIPYs, their 2,6-dichloro derivatives, and their corresponding methylated cationic pyridinium-BODIPYs was conducted using spectroscopic and electrochemical methods, X-ray analyses, and TD-DFT calculations. Among the neutral derivatives, the 3Py and 4Py isomers showed the highest relative fluorescence quantum yields in organic solvents, which were further enhanced 2-4-fold via the introduction of two chlorines at the 2,6-positions. Among the cationic derivatives, the 2catPy showed the highest relative fluorescence quantum yield in organic solvents, which was further enhanced by the use of a bulky counter anion (PF6-). In water, the quantum yields were greatly reduced for all three isomers but were shown to be enhanced upon introduction of 2,6-dichloro groups. Our results indicate that 2,6-dichloro-meso-(2- and 3-pyridinium)-BODIPYs are the most promising for sensing applications. Furthermore, all pyridinium BODIPYs are highly water-soluble and display low cytotoxicity towards human HEp2 cells.
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Affiliation(s)
- Caroline Ndung’u
- Department of Chemistry, Louisiana State University, Baton Rouge, LA 70803, USA; (C.N.); (D.J.L.); (S.D.); (N.H.M.); (F.R.F.); (N.E.)
| | - Daniel J. LaMaster
- Department of Chemistry, Louisiana State University, Baton Rouge, LA 70803, USA; (C.N.); (D.J.L.); (S.D.); (N.H.M.); (F.R.F.); (N.E.)
| | - Simran Dhingra
- Department of Chemistry, Louisiana State University, Baton Rouge, LA 70803, USA; (C.N.); (D.J.L.); (S.D.); (N.H.M.); (F.R.F.); (N.E.)
| | - Nathan H. Mitchell
- Department of Chemistry, Louisiana State University, Baton Rouge, LA 70803, USA; (C.N.); (D.J.L.); (S.D.); (N.H.M.); (F.R.F.); (N.E.)
| | - Petia Bobadova-Parvanova
- Department of Chemistry and Fermentation Sciences, Appalachian State University, Boone, NC 28608, USA;
| | - Frank R. Fronczek
- Department of Chemistry, Louisiana State University, Baton Rouge, LA 70803, USA; (C.N.); (D.J.L.); (S.D.); (N.H.M.); (F.R.F.); (N.E.)
| | - Noémie Elgrishi
- Department of Chemistry, Louisiana State University, Baton Rouge, LA 70803, USA; (C.N.); (D.J.L.); (S.D.); (N.H.M.); (F.R.F.); (N.E.)
| | - Maria da Graça H. Vicente
- Department of Chemistry, Louisiana State University, Baton Rouge, LA 70803, USA; (C.N.); (D.J.L.); (S.D.); (N.H.M.); (F.R.F.); (N.E.)
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8
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Lin G, Hu M, Zhang R, Zhu Y, Gu K, Bai J, Li J, Dong X, Zhao W. Discovery of Meso-( meta-Pyridinium) BODIPY Photosensitizers: In Vitro and In Vivo Evaluations for Antimicrobial Photodynamic Therapy. J Med Chem 2021; 64:18143-18157. [PMID: 34881897 DOI: 10.1021/acs.jmedchem.1c01643] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
Antimicrobial photodynamic therapy (aPDT) has emerged as a novel and promising approach for the treatment of pathogenic microorganism infections. The efficacy of aPDT depends greatly on the behavior of the photosensitizer. Herein, we report the design, preparation, antimicrobial photodynamic activities, as well as structure-activity relationships of a series of photosensitizers modified at the meso position of a 1,3,5,7-tetramethyl BODIPY scaffold with various pyridinyl and pyridinium moieties. The photodynamic antimicrobial activities of all photosensitizers have been tested against Staphylococcus aureus, Escherichia coli, Candida albicans, and Methicillin-resistant S. aureus (MRSA). The methyl meso-(meta-pyridinium) BODIPY photosensitizer (3c) possessed the highest phototoxicity against these pathogens at minimal inhibitory concentrations (MIC) ranging from 0.63 to 1.25 μM with a light dose of 81 J/cm2. Furthermore, 3c exhibited an impressive antimicrobial efficacy in S. aureus-infected mice wounds. Taken together, these findings suggest that 3c is a promising candidate as the antimicrobial photosensitizer for combating pathogenic microorganism infections.
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Affiliation(s)
- Guangyu Lin
- School of Pharmacy, Fudan University, Shanghai 201203, P. R. China
| | - Mei Hu
- School of Pharmacy, Fudan University, Shanghai 201203, P. R. China
| | - Rong Zhang
- School of Pharmacy, Fudan University, Shanghai 201203, P. R. China
| | - Yuanxing Zhu
- School of Pharmacy, Fudan University, Shanghai 201203, P. R. China
| | - Kedan Gu
- School of Pharmacy, Fudan University, Shanghai 201203, P. R. China
| | - Junping Bai
- School of Pharmacy, Fudan University, Shanghai 201203, P. R. China
| | - Jiyang Li
- School of Pharmacy, Fudan University, Shanghai 201203, P. R. China
| | - Xiaochun Dong
- School of Pharmacy, Fudan University, Shanghai 201203, P. R. China
| | - Weili Zhao
- School of Pharmacy, Fudan University, Shanghai 201203, P. R. China.,Key Laboratory for Special Functional Materials of the Ministry of Education, School of Materials Science and Engineering, Henan University, Kaifeng 475004, P. R. China
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9
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Pordel S, Pickens RN, White JK. Release of CO and Production of 1O2 from a Mn-BODIPY Photoactivated CO Releasing Molecule with Visible Light. Organometallics 2021. [DOI: 10.1021/acs.organomet.1c00331] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Shabnam Pordel
- Department of Chemistry and Biochemistry, Ohio University, Athens, Ohio 45701, United States
| | - Rachael N. Pickens
- Department of Chemistry and Biochemistry, Ohio University, Athens, Ohio 45701, United States
| | - Jessica K. White
- Department of Chemistry and Biochemistry, Ohio University, Athens, Ohio 45701, United States
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10
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Imran M, Sukhanov AA, Maity P, Elmali A, Zhao J, Karatay A, Mohammed OF, Voronkova VK. Chromophore Orientation-Dependent Photophysical Properties of Pyrene-Naphthalimide Compact Electron Donor-Acceptor Dyads: Electron Transfer and Intersystem Crossing. J Phys Chem B 2021; 125:9244-9259. [PMID: 34355560 DOI: 10.1021/acs.jpcb.1c03537] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
In order to study the effect of mutual orientation of the chromophores in compact electron donor-acceptor dyads on the spin-orbit charge transfer intersystem crossing (SOCT-ISC), we prepared naphthalimide (NI)-pyrene (Py) compact electron donor-acceptor dyads, in which pyrene acts as an electron donor and NI is an electron acceptor. The connection of the two units is at the 4-C and 3-C positions of the NI unit and the 1-position of the pyrene moiety for dyads NI-Py-1 and NI-Py-2, respectively. A charge transfer absorption band was observed for both dyads in the UV-vis absorption spectra. Upon nanosecond pulsed laser excitation, long-lived triplet states (lifetime is 220 μs) were observed and the triplet state was confined to the pyrene moiety. The ISC efficiency is moderate to high in nonpolar to polar solvents (singlet oxygen quantum yield: ΦΔ = 14-52%). Ultrafast charge separation (ca. 0.81 ps) and charge recombination-induced ISC (∼3.0 ns) were observed by femtosecond transient absorption spectroscopy. Time-resolved electron paramagnetic resonance spectroscopy confirms the SOCT-ISC mechanism; interestingly, the observed electron spin polarization pattern of the triplet state is chromophore orientation-dependent; and the population rates of the triplet sublevels of NI-Py-1 (Px:Py:Pz = 0.2:0.8:0) are drastically different from those of NI-Py-2 (Px:Py:Pz = 0:0:1).
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Affiliation(s)
- Muhammad Imran
- State Key Laboratory of Fine Chemicals, School of Chemical Engineering, Dalian University of Technology, E-208 West Campus, 2 Ling Gong Rd., Dalian 116024, P. R. China
| | - Andrey A Sukhanov
- Zavoisky Physical-Technical Institute, FRC Kazan Scientific Center of RAS, Kazan 420029, Russia
| | - Partha Maity
- Division of Physical Sciences and Engineering, King Abdullah University of Science and Technology (KAUST), Thuwal 23955-6900, Kingdom of Saudi Arabia
| | - Ayhan Elmali
- Department of Engineering Physics, Faculty of Engineering, Ankara University, 06100 Beşevler, Ankara, Turkey
| | - Jianzhang Zhao
- State Key Laboratory of Fine Chemicals, School of Chemical Engineering, Dalian University of Technology, E-208 West Campus, 2 Ling Gong Rd., Dalian 116024, P. R. China
| | - Ahmet Karatay
- Department of Engineering Physics, Faculty of Engineering, Ankara University, 06100 Beşevler, Ankara, Turkey
| | - Omar F Mohammed
- Division of Physical Sciences and Engineering, King Abdullah University of Science and Technology (KAUST), Thuwal 23955-6900, Kingdom of Saudi Arabia
| | - Violeta K Voronkova
- Zavoisky Physical-Technical Institute, FRC Kazan Scientific Center of RAS, Kazan 420029, Russia
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11
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Hu Y, Hou Y, Wang Z, Li Y, Zhao J. 3,5-Anthryl-Bodipy dyad/triad: Preparation, effect of F-B-F induced conformation restriction on the photophysical properties, and application in triplet-triplet-annihilation upconversion. J Chem Phys 2020; 153:224304. [PMID: 33317285 DOI: 10.1063/5.0025224] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023] Open
Abstract
We prepared a series of compact Bodipy-anthryl electron donor/acceptor triads and dyads by attaching anthryl moieties at the 3-,5-positions of the Bodipy core, with a novel conformation restriction approach, to study the spin-orbit charge transfer intersystem crossing (SOCT-ISC). The conformation restrictions are imposed by the BF2 unit of Bodipy without invoking the previously reported method with 1,7-dimethyl or 1,3-dimethyl groups. Our new approach shows a few advantages, including the stronger electron accepting ability of the methyl-free Bodipy core (reduction potential anodically shifted by +0.3 V vs the methylated Bodipy), red-shifted absorption (by 21 nm), and longer triplet state lifetime (372 µs vs 126 µs). The effects of the different mutual orientations of the electron donor and acceptor on ultraviolet-visible absorption, fluorescence, triplet state quantum yields, and lifetimes were studied. Triads with orthogonal geometries show higher singlet oxygen quantum yields (ΦΔ = 37%) than those with more coplanar geometries. Since the non-radiative decay for the S1 state is significant in the parent Bodipy chromophore (ΦF = 6.0%), we propose that in dyads/triads, the charge separation and recombination-induced ISC outcompete the non-radiative decay to the ground state, which is new in the study of SOCT-ISC. Density functional theory computation indicated a shallow torsion potential energy curve as compared to the meso-anthryl-Bodipy dyad analog, which may contribute a low triplet state quantum yield of the new dyads/triads. Triplet-triplet annihilation upconversion was performed with the electron donor/acceptor dyads as the triplet photosensitizer, with an upconversion quantum yield of 12.3%.
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Affiliation(s)
- Yingqi Hu
- State Key Laboratory of Fine Chemicals, School of Chemical Engineering, Dalian University of Technology, E-208 West Campus, 2 Ling Gong Rd., Dalian 116024, People's Republic of China
| | - Yuqi Hou
- State Key Laboratory of Fine Chemicals, School of Chemical Engineering, Dalian University of Technology, E-208 West Campus, 2 Ling Gong Rd., Dalian 116024, People's Republic of China
| | - Zhijia Wang
- State Key Laboratory of Fine Chemicals, School of Chemical Engineering, Dalian University of Technology, E-208 West Campus, 2 Ling Gong Rd., Dalian 116024, People's Republic of China
| | - Yanqin Li
- State Key Laboratory of Fine Chemicals, School of Chemical Engineering, Dalian University of Technology, E-208 West Campus, 2 Ling Gong Rd., Dalian 116024, People's Republic of China
| | - Jianzhang Zhao
- State Key Laboratory of Fine Chemicals, School of Chemical Engineering, Dalian University of Technology, E-208 West Campus, 2 Ling Gong Rd., Dalian 116024, People's Republic of China
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12
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Turkoglu G, Kayadibi Koygun G, Yurt MNZ, Demirok N, Erbas-Cakmak S. Self-reporting heavy atom-free photodynamic therapy agents. Org Biomol Chem 2020; 18:9433-9437. [PMID: 33184621 DOI: 10.1039/d0ob01944e] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
Two novel, self-reporting distyryl BODIPY-based photodynamic therapy agents functionalized with singlet oxygen responsive imidazole and tertiary amine moieties are developed. Heavy atom-free photosensitizers are demonstrated to have efficient photodynamic action in MCF7 cells. The fluorescence intensity of the photosensitizers is shown to be reduced as a result of 1O2 generation without any significant change in photodynamic activity.
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Affiliation(s)
- Gulsen Turkoglu
- Research and Development Center for Diagnostic Kits (KIT-ARGEM) Konya Food and Agriculture University, 42080, Konya, Turkey and Konya Food and Agriculture University, Department of Molecular Biology and Genetics, 42080, Konya, Turkey.
| | - Gozde Kayadibi Koygun
- Selçuk University, Department of Nanotechnology and Advanced Materials, 42250, Konya, Turkey
| | - Mediha Nur Zafer Yurt
- Research and Development Center for Diagnostic Kits (KIT-ARGEM) Konya Food and Agriculture University, 42080, Konya, Turkey
| | - Naime Demirok
- Üsküdar University, Department of Molecular Biology and Genetics, 34662, İstanbul, Turkey
| | - Sundus Erbas-Cakmak
- Research and Development Center for Diagnostic Kits (KIT-ARGEM) Konya Food and Agriculture University, 42080, Konya, Turkey and Konya Food and Agriculture University, Department of Molecular Biology and Genetics, 42080, Konya, Turkey.
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13
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Xiao X, Pang J, Sukhanov AA, Hou Y, Zhao J, Li MD, Voronkova VK. The effect of one-atom substitution on the photophysical properties and electron spin polarization: Intersystem crossing of compact orthogonal perylene/phenoxazine electron donor/acceptor dyad. J Chem Phys 2020; 153:184312. [PMID: 33187415 DOI: 10.1063/5.0023526] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
A perylene (Pery)-phenoxazine (PXZ) compact orthogonal electron donor/acceptor dyad was prepared to study the relationship between the molecular structures and the spin-orbit charge transfer intersystem crossing (SOCT-ISC), as well as the electron spin selectivity of the ISC process. The geometry of Pery-PXZ (80.0°) is different from the previously reported perylene-phenothiazine dyad (Pery-PTZ, 91.5°), although there is only one atom variation for the two dyads. Pery-PXZ shows a high singlet oxygen quantum yield (84%). Femtosecond transient absorption spectra indicate that the charge separation (CS, faster than 120 fs) is faster than the Pery-PTZ analog (CS, 250 fs) and charge recombination (CR, i.e., SOCT-ISC, 5.98 ns) of Pery-PXZ is slower than the Pery-PTZ analog (CR, 0.9 ns). The intrinsic triplet state lifetime of Pery-PXZ is 242 µs vs the lifetime of 181 µs for the Pery-PTZ analog. Moreover, the triplet state lifetime of Pery-PXZ in the solid polymer matrix is extended to 4.45 ms, which indicates that the triplet state of Pery-PXZ in fluid solution is deactivated not only by the triplet-triplet annihilation effect but also by other factors such as vibration coupled relaxation. Interestingly, with pulsed laser excited time-resolved electron paramagnetic resonance spectroscopy, the electron spin polarization (ESP) pattern of the triplet state of the current dyad is opposite to that of Pery-PTZ. These results demonstrated the rich electron spin chemistry of the ISC of compact electron donor/acceptor dyads, e.g., the ESP is dependent on not only the molecular geometry but also the structure of the electron donor (or acceptor).
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Affiliation(s)
- Xiao Xiao
- State Key Laboratory of Fine Chemicals, School of Chemical Engineering, Dalian University of Technology, E-208 West Campus, 2 Ling-Gong Road, Dalian 116024, People's Republic of China
| | - Junhong Pang
- Department of Chemistry and Key Laboratory for Preparation and Application of Ordered Structural Materials of Guangdong Province, Shantou University, Shantou 515063, People's Republic of China
| | - Andrei A Sukhanov
- Zavoisky Physical-Technical Institute, FRC Kazan Scientific Center of RAS, Kazan 420029, Russia
| | - Yuqi Hou
- State Key Laboratory of Fine Chemicals, School of Chemical Engineering, Dalian University of Technology, E-208 West Campus, 2 Ling-Gong Road, Dalian 116024, People's Republic of China
| | - Jianzhang Zhao
- State Key Laboratory of Fine Chemicals, School of Chemical Engineering, Dalian University of Technology, E-208 West Campus, 2 Ling-Gong Road, Dalian 116024, People's Republic of China
| | - Ming-De Li
- Department of Chemistry and Key Laboratory for Preparation and Application of Ordered Structural Materials of Guangdong Province, Shantou University, Shantou 515063, People's Republic of China
| | - Violeta K Voronkova
- Zavoisky Physical-Technical Institute, FRC Kazan Scientific Center of RAS, Kazan 420029, Russia
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14
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Hou Y, Liu J, Zhang N, Zhao J. Long-Lived Local Triplet Excited State and Charge Transfer State of 4,4'-Dimethoxy Triphenylamine-BODIPY Compact Electron Donor/Acceptor Dyads. J Phys Chem A 2020; 124:9360-9374. [PMID: 33140645 DOI: 10.1021/acs.jpca.0c07907] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
The spin-orbit charge transfer intersystem crossing (SOCT-ISC) and the formation of a long-lived charge transfer (CT) state were studied with a series of 4,4'-dimethoxy triphenylamine-BODIPY compact electron donor/acceptor dyads. Different torsion freedoms were applied in the dyads to tune the electronic coupling between the donor and acceptor, and a red-shifted CT absorption band was observed for one dyad. The dyads show solvent polarity-dependent singlet oxygen photosensitizing ability (quantum yields 3%-79%). Nanosecond transient absorption spectra of the dyad in nonpolar solvent confirm the formation of triplet states. The intrinsic triplet state lifetime is up to 383 μs (in fluid solution), which is much longer than that accessed with the heavy atom effect (276 μs). Intermolecular triplet photosensitizing of the dyads in a polar solvent produces a long-lived 3CT state (lifetime, τCT = 8.0 μs supported by the electron spin density surface analysis). The triplet state lifetime of the dyads doped in a Clear Flex 50 polymer film is exceptionally long (7.6-11.4 ms), and formation of a long-lived CT state (37 μs) was observed. Triplet-triplet annihilation upconversion was performed with the electron donor/acceptor dyads used as the triplet photosensitizer and perylene used as the triplet acceptor; the upconversion quantum yield is up to 15.8%.
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Affiliation(s)
- Yuqi Hou
- State Key Laboratory of Fine Chemicals, School of Chemical Engineering, Dalian University of Technology, E-208 West Campus, 2 Ling Gong Road, Dalian 116024, P.R. China
| | - Jinling Liu
- State Key Laboratory of Fine Chemicals, School of Chemical Engineering, Dalian University of Technology, E-208 West Campus, 2 Ling Gong Road, Dalian 116024, P.R. China
| | - Nan Zhang
- State Key Laboratory of Fine Chemicals, School of Chemical Engineering, Dalian University of Technology, E-208 West Campus, 2 Ling Gong Road, Dalian 116024, P.R. China
| | - Jianzhang Zhao
- State Key Laboratory of Fine Chemicals, School of Chemical Engineering, Dalian University of Technology, E-208 West Campus, 2 Ling Gong Road, Dalian 116024, P.R. China
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15
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Palacios YB, Santamarina SC, Durantini JE, Durantini EN, Durantini AM. BODIPYs bearing a dimethylaminopropoxy substituent for imaging and photodynamic inactivation of bacteria. JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY B-BIOLOGY 2020; 212:112049. [PMID: 33065476 DOI: 10.1016/j.jphotobiol.2020.112049] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/23/2020] [Revised: 09/29/2020] [Accepted: 10/04/2020] [Indexed: 12/11/2022]
Abstract
A new BODIPY (BDP 1) bearing a dimethylaminopropoxy group attached to a phenylene unit was synthesized. This compound was brominated to obtain the halogenated analog BDP 2, which was designed to enhance the photodynamic effect of BODIPY to kill bacteria without an intrinsic cationic charge. The basic amino group located at the end of the propoxy bridge can acquire a positive charge by protonation in an aqueous medium, increasing the binding to bacterial cells. Interaction and photokilling activity mediated by these compounds was evaluated in Staphylococcus aureus and Escherichia coli. BDP 1 and BDP 2 were rapidly bound to bacterial cells, showing bioimages with green emission. Complete elimination of S. aureus was detected when cells were incubated with 1 μM BDP 2 and irradiated for 5 min. Comparable photoinactivation was obtained with E. coli, after an irradiation of 30 min. Furthermore, BDP 2 was effective to kill bacteria at very low concentration (0.5 μM). Thus, BDP 1 showed mainly interesting properties as a fluorophore, whereas BDP 2 was highly effective photosensitizer as a broad-spectrum antibacterial agent.
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Affiliation(s)
- Yohana B Palacios
- IDAS-CONICET, Departamento de Química, Facultad de Ciencias Exactas, Físico-Químicas y Naturales, Universidad Nacional de Río Cuarto, Ruta Nacional 36 Km 601, X5804BYA Río Cuarto, Córdoba, Argentina
| | - Sofia C Santamarina
- IDAS-CONICET, Departamento de Química, Facultad de Ciencias Exactas, Físico-Químicas y Naturales, Universidad Nacional de Río Cuarto, Ruta Nacional 36 Km 601, X5804BYA Río Cuarto, Córdoba, Argentina
| | - Javier E Durantini
- IITEMA-CONICET, Departamento de Química, Facultad de Ciencias Exactas, Físico-Químicas y Naturales, Universidad Nacional de Río Cuarto, Ruta Nacional 36 Km 601, X5804BYA Río Cuarto, Córdoba, Argentina
| | - Edgardo N Durantini
- IDAS-CONICET, Departamento de Química, Facultad de Ciencias Exactas, Físico-Químicas y Naturales, Universidad Nacional de Río Cuarto, Ruta Nacional 36 Km 601, X5804BYA Río Cuarto, Córdoba, Argentina
| | - Andrés M Durantini
- IDAS-CONICET, Departamento de Química, Facultad de Ciencias Exactas, Físico-Químicas y Naturales, Universidad Nacional de Río Cuarto, Ruta Nacional 36 Km 601, X5804BYA Río Cuarto, Córdoba, Argentina.
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16
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Liu D, El-Zohry AM, Taddei M, Matt C, Bussotti L, Wang Z, Zhao J, Mohammed OF, Di Donato M, Weber S. Long-Lived Charge-Transfer State Induced by Spin-Orbit Charge Transfer Intersystem Crossing (SOCT-ISC) in a Compact Spiro Electron Donor/Acceptor Dyad. Angew Chem Int Ed Engl 2020; 59:11591-11599. [PMID: 32270586 PMCID: PMC7496792 DOI: 10.1002/anie.202003560] [Citation(s) in RCA: 51] [Impact Index Per Article: 12.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2020] [Indexed: 11/13/2022]
Abstract
We prepared conceptually novel, fully rigid, spiro compact electron donor (Rhodamine B, lactam form, RB)/acceptor (naphthalimide; NI) orthogonal dyad to attain the long‐lived triplet charge‐transfer (3CT) state, based on the electron spin control using spin‐orbit charge transfer intersystem crossing (SOCT‐ISC). Transient absorption (TA) spectra indicate the first charge separation (CS) takes place within 2.5 ps, subsequent SOCT‐ISC takes 8 ns to produce the 3NI* state. Then the slow secondary CS (125 ns) gives the long‐lived 3CT state (0.94 μs in deaerated n‐hexane) with high energy level (ca. 2.12 eV). The cascade photophysical processes of the dyad upon photoexcitation are summarized as 1NI*→1CT→3NI*→3CT. With time‐resolved electron paramagnetic resonance (TREPR) spectra, an EEEAAA electron‐spin polarization pattern was observed for the naphthalimide‐localized triplet state. Our spiro compact dyad structure and the electron spin‐control approach is different to previous methods for which invoking transition‐metal coordination or chromophores with intrinsic ISC ability is mandatory.
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Affiliation(s)
- Dongyi Liu
- State Key Laboratory of Fine Chemicals, School of Chemical Engineering, Dalian University of Technology, 2 Ling Gong Road, Dalian, 116024, China
| | - Ahmed M El-Zohry
- Division of Physical Sciences and Engineering, King Abdullah University of Science and Technology (KAUST), Thuwal, 23955-6900, Kingdom of Saudi Arabia
| | - Maria Taddei
- LENS (European Laboratory for Non-Linear Spectroscopy), via N. Carrara 1, 50019, Sesto Fiorentino (FI), Italy
| | - Clemens Matt
- Institute of Physical Chemistry, Albert-Ludwigs-Universität Freiburg, Albertstrasse 21, 79104, Freiburg, Germany
| | - Laura Bussotti
- LENS (European Laboratory for Non-Linear Spectroscopy), via N. Carrara 1, 50019, Sesto Fiorentino (FI), Italy
| | - Zhijia Wang
- State Key Laboratory of Fine Chemicals, School of Chemical Engineering, Dalian University of Technology, 2 Ling Gong Road, Dalian, 116024, China
| | - Jianzhang Zhao
- State Key Laboratory of Fine Chemicals, School of Chemical Engineering, Dalian University of Technology, 2 Ling Gong Road, Dalian, 116024, China
| | - Omar F Mohammed
- Division of Physical Sciences and Engineering, King Abdullah University of Science and Technology (KAUST), Thuwal, 23955-6900, Kingdom of Saudi Arabia
| | - Mariangela Di Donato
- LENS (European Laboratory for Non-Linear Spectroscopy), via N. Carrara 1, 50019, Sesto Fiorentino (FI), Italy.,ICCOM-CNR, via Madonna del Piano 10, 50019, Sesto Fiorentino (FI), Italy
| | - Stefan Weber
- Institute of Physical Chemistry, Albert-Ludwigs-Universität Freiburg, Albertstrasse 21, 79104, Freiburg, Germany
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17
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Liu D, El‐Zohry AM, Taddei M, Matt C, Bussotti L, Wang Z, Zhao J, Mohammed OF, Di Donato M, Weber S. Long‐Lived Charge‐Transfer State Induced by Spin‐Orbit Charge Transfer Intersystem Crossing (SOCT‐ISC) in a Compact Spiro Electron Donor/Acceptor Dyad. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.202003560] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Dongyi Liu
- State Key Laboratory of Fine Chemicals School of Chemical Engineering Dalian University of Technology 2 Ling Gong Road Dalian 116024 China
| | - Ahmed M. El‐Zohry
- Division of Physical Sciences and Engineering King Abdullah University of Science and Technology (KAUST) Thuwal 23955-6900 Kingdom of Saudi Arabia
| | - Maria Taddei
- LENS (European Laboratory for Non-Linear Spectroscopy) via N. Carrara 1 50019 Sesto Fiorentino (FI) Italy
| | - Clemens Matt
- Institute of Physical Chemistry Albert-Ludwigs-Universität Freiburg Albertstrasse 21 79104 Freiburg Germany
| | - Laura Bussotti
- LENS (European Laboratory for Non-Linear Spectroscopy) via N. Carrara 1 50019 Sesto Fiorentino (FI) Italy
| | - Zhijia Wang
- State Key Laboratory of Fine Chemicals School of Chemical Engineering Dalian University of Technology 2 Ling Gong Road Dalian 116024 China
| | - Jianzhang Zhao
- State Key Laboratory of Fine Chemicals School of Chemical Engineering Dalian University of Technology 2 Ling Gong Road Dalian 116024 China
| | - Omar F. Mohammed
- Division of Physical Sciences and Engineering King Abdullah University of Science and Technology (KAUST) Thuwal 23955-6900 Kingdom of Saudi Arabia
| | - Mariangela Di Donato
- LENS (European Laboratory for Non-Linear Spectroscopy) via N. Carrara 1 50019 Sesto Fiorentino (FI) Italy
- ICCOM-CNR via Madonna del Piano 10 50019 Sesto Fiorentino (FI) Italy
| | - Stefan Weber
- Institute of Physical Chemistry Albert-Ludwigs-Universität Freiburg Albertstrasse 21 79104 Freiburg Germany
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18
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Prieto-Montero R, Prieto-Castañeda A, Sola-Llano R, Agarrabeitia AR, García-Fresnadillo D, López-Arbeloa I, Villanueva A, Ortiz MJ, de la Moya S, Martínez-Martínez V. Exploring BODIPY Derivatives as Singlet Oxygen Photosensitizers for PDT. Photochem Photobiol 2020; 96:458-477. [PMID: 32077486 DOI: 10.1111/php.13232] [Citation(s) in RCA: 66] [Impact Index Per Article: 16.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2019] [Accepted: 12/20/2019] [Indexed: 12/20/2022]
Abstract
This minireview is devoted to honoring the memory of Dr. Thomas Dougherty, a pioneer of modern photodynamic therapy (PDT). It compiles the most important inputs made by our research group since 2012 in the development of new photosensitizers based on BODIPY chromophore which, thanks to the rich BODIPY chemistry, allows a finely tuned design of the photophysical properties of this family of dyes to serve as efficient photosensitizers for the generation of singlet oxygen. These two factors, photophysical tuning and workable chemistry, have turned BODIPY chromophore as one of the most promising dyes for the development of improved photosensitizers for PDT. In this line, this minireview is mainly related to the establishment of chemical methods and structural designs for enabling efficient singlet oxygen generation in BODIPYs. The approaches include the incorporation of heavy atoms, such as halogens (iodine or bromine) in different number and positions on the BODIPY scaffold, and also transition metal atoms, by their complexation with Ir(III) center, for instance. On the other hand, low-toxicity approaches, without involving heavy metals, have been developed by preparing several orthogonal BODIPY dimers with different substitution patterns. The advantages and drawbacks of all these diverse molecular designs based on BODIPY structural framework are described.
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Affiliation(s)
- Ruth Prieto-Montero
- Departamento de Química Física, Facultad de Ciencia y Tecnología, Universidad del País Vasco, Bilbao, Spain
| | - Alejandro Prieto-Castañeda
- Departamento de Química Orgánica, Facultad de CC. Químicas, Universidad Complutense de Madrid, Madrid, Spain
| | - Rebeca Sola-Llano
- Departamento de Química Física, Facultad de Ciencia y Tecnología, Universidad del País Vasco, Bilbao, Spain
| | - Antonia R Agarrabeitia
- Departamento de Química Orgánica, Facultad de CC. Químicas, Universidad Complutense de Madrid, Madrid, Spain
| | - David García-Fresnadillo
- Departamento de Química Orgánica, Facultad de CC. Químicas, Universidad Complutense de Madrid, Madrid, Spain
| | - Iñigo López-Arbeloa
- Departamento de Química Física, Facultad de Ciencia y Tecnología, Universidad del País Vasco, Bilbao, Spain
| | - Angeles Villanueva
- Departamento de Biología, Universidad Autónoma de Madrid, Madrid, Spain.,IMDEA Nanociencia, Madrid, Spain
| | - María J Ortiz
- Departamento de Química Orgánica, Facultad de CC. Químicas, Universidad Complutense de Madrid, Madrid, Spain
| | - Santiago de la Moya
- Departamento de Química Orgánica, Facultad de CC. Químicas, Universidad Complutense de Madrid, Madrid, Spain
| | - Virginia Martínez-Martínez
- Departamento de Química Física, Facultad de Ciencia y Tecnología, Universidad del País Vasco, Bilbao, Spain
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Hou Y, Kurganskii I, Elmali A, Zhang H, Gao Y, Lv L, Zhao J, Karatay A, Luo L, Fedin M. Electronic coupling and spin-orbit charge transfer intersystem crossing (SOCT-ISC) in compact BDP-carbazole dyads with different mutual orientations of the electron donor and acceptor. J Chem Phys 2020; 152:114701. [PMID: 32199436 DOI: 10.1063/1.5145052] [Citation(s) in RCA: 35] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022] Open
Abstract
In order to study the spin-orbit charge transfer induced intersystem crossing (SOCT-ISC), Bodipy (BDP)-carbazole (Cz) compact electron donor/acceptor dyads were prepared. Charge transfer (CT) emission bands were observed for dyads showing strong electronic coupling between the donor and the acceptor (coupling matrix elements VDA, 0.06 eV-0.18 eV). Depending on the coupling magnitude, the CT state of the dyads can be either dark or emissive. Equilibrium between the 1LE (locally excited) state and the 1CT state was confirmed by temperature-dependent fluorescence studies. Efficient ISC was observed for the dyads with Cz connected at the meso-position of the BDP. Interestingly, the dyad with non-orthogonal geometry shows the highest ISC efficiency (ΦΔ = 58%), which is different from the previous conclusion. The photo-induced charge separation (CS, time constant: 0.7 ps) and charge recombination (CR, ∼3.9 ns) were studied by femtosecond transient absorption spectroscopy. Nanosecond transient absorption spectroscopy indicated that the BDP-localized triplet state was exceptionally long-lived (602 µs). Using pulsed laser excited time-resolved electron paramagnetic resonance spectroscopy, the SOCT-ISC mechanism was confirmed, and we show that the electron spin polarization of the triplet state is highly dependent on the mutual orientation of the donor and acceptor. The dyads were used as triplet photosensitizers for triplet-triplet-annihilation (TTA) upconversion, and the quantum yield is up to 6.7%. TTA-based delayed fluorescence was observed for the dyads (τDF = 41.5 µs). The dyads were also used as potent photodynamic therapy reagents (light toxicity of IC50 = 0.1 µM and dark toxicity of IC50 = 70.8 µM).
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Affiliation(s)
- Yuqi Hou
- State Key Laboratory of Fine Chemicals, School of Chemical Engineering, Dalian University of Technology, E-208 West Campus, 2 Ling Gong Rd., Dalian 116024, People's Republic of China
| | - Ivan Kurganskii
- International Tomography Center, SB RAS, and Novosibirsk State University, 630090 Novosibirsk, Russia
| | - Ayhan Elmali
- Department of Engineering Physics, Faculty of Engineering, Ankara University, 06100 Beşevler, Ankara, Turkey
| | - Huimin Zhang
- National Engineering Research Center for Nanomedicine, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan 430074, People's Republic of China
| | - Yuting Gao
- National Engineering Research Center for Nanomedicine, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan 430074, People's Republic of China
| | - Lingling Lv
- College of Chemical Engineering and Technology, Tianshui Normal University, TianShui, GanSu 741001, People's Republic of China
| | - Jianzhang Zhao
- State Key Laboratory of Fine Chemicals, School of Chemical Engineering, Dalian University of Technology, E-208 West Campus, 2 Ling Gong Rd., Dalian 116024, People's Republic of China
| | - Ahmet Karatay
- Department of Engineering Physics, Faculty of Engineering, Ankara University, 06100 Beşevler, Ankara, Turkey
| | - Liang Luo
- National Engineering Research Center for Nanomedicine, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan 430074, People's Republic of China
| | - Matvey Fedin
- International Tomography Center, SB RAS, and Novosibirsk State University, 630090 Novosibirsk, Russia
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20
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Zhao Y, Chen K, Yildiz EA, Li S, Hou Y, Zhang X, Wang Z, Zhao J, Barbon A, Yaglioglu HG, Wu H. Efficient Intersystem Crossing in the Tröger's Base Derived From 4‐Amino‐1,8‐naphthalimide and Application as a Potent Photodynamic Therapy Reagent. Chemistry 2020; 26:3591-3599. [PMID: 31916322 DOI: 10.1002/chem.201905248] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2019] [Revised: 12/18/2019] [Indexed: 12/21/2022]
Affiliation(s)
- Yingjie Zhao
- State Key Laboratory of Fine ChemicalsSchool of Chemical EngineeringDalian University of Technology, E-208 West Campus 2 Ling Gong Road Dalian 116024 P. R. China
| | - Kepeng Chen
- State Key Laboratory of Fine ChemicalsSchool of Chemical EngineeringDalian University of Technology, E-208 West Campus 2 Ling Gong Road Dalian 116024 P. R. China
| | - Elif Akhuseyin Yildiz
- Department of Engineering PhysicsFaculty of EngineeringAnkara University 06100 Beşevler, Ankara Turkey
| | - Shujing Li
- School of Bioengineering &Key Laboratory of, Protein Modification and DiseaseDalian University of Technology Liaoning Province 116024 Dalian P. R. China
| | - Yuqi Hou
- State Key Laboratory of Fine ChemicalsSchool of Chemical EngineeringDalian University of Technology, E-208 West Campus 2 Ling Gong Road Dalian 116024 P. R. China
| | - Xue Zhang
- State Key Laboratory of Fine ChemicalsSchool of Chemical EngineeringDalian University of Technology, E-208 West Campus 2 Ling Gong Road Dalian 116024 P. R. China
| | - Zhijia Wang
- State Key Laboratory of Fine ChemicalsSchool of Chemical EngineeringDalian University of Technology, E-208 West Campus 2 Ling Gong Road Dalian 116024 P. R. China
| | - Jianzhang Zhao
- State Key Laboratory of Fine ChemicalsSchool of Chemical EngineeringDalian University of Technology, E-208 West Campus 2 Ling Gong Road Dalian 116024 P. R. China
| | - Antonio Barbon
- Dipartimento di Scienze ChimicheUniversità degli Studi di Padova Via Marzolo 1 35131 Padova Italy
| | - Halime Gul Yaglioglu
- Department of Engineering PhysicsFaculty of EngineeringAnkara University 06100 Beşevler, Ankara Turkey
| | - Huijian Wu
- School of Bioengineering &Key Laboratory of, Protein Modification and DiseaseDalian University of Technology Liaoning Province 116024 Dalian P. R. China
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21
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Chen K, Taddei M, Bussotti L, Foggi P, Zhao J, Di Donato M. Near‐IR‐Absorbing BODIPY‐5,10‐Dihydrophenazine Compact Electron Donor/Acceptor Dyads and Triads: Spin‐Orbit Charge Transfer Intersystem Crossing and Charge‐Transfer State. CHEMPHOTOCHEM 2020. [DOI: 10.1002/cptc.201900294] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Affiliation(s)
- Kepeng Chen
- State Key Laboratory of Fine Chemicals School of Chemical EngineeringDalian University of Technology E-208 West Campus 2 Ling Gong Road Dalian 116024 China
| | - Maria Taddei
- LENS (European Laboratory for Non-Linear Spectroscopy) via N. Carrara 1 50019 Sesto Fiorentino Italy
| | - Laura Bussotti
- LENS (European Laboratory for Non-Linear Spectroscopy) via N. Carrara 1 50019 Sesto Fiorentino Italy
| | - Paolo Foggi
- LENS (European Laboratory for Non-Linear Spectroscopy) via N. Carrara 1 50019 Sesto Fiorentino Italy
- ICCOM-CNR via Madonna del Piano 10 50019 Sesto Fiorentino (FI Italy
- Dipartimento di Chimica, Biologia e BiotecnologieUniversità di Perugia via Elce di Sotto 8 06123 Perugia Italy
| | - Jianzhang Zhao
- State Key Laboratory of Fine Chemicals School of Chemical EngineeringDalian University of Technology E-208 West Campus 2 Ling Gong Road Dalian 116024 China
| | - Mariangela Di Donato
- LENS (European Laboratory for Non-Linear Spectroscopy) via N. Carrara 1 50019 Sesto Fiorentino Italy
- ICCOM-CNR via Madonna del Piano 10 50019 Sesto Fiorentino (FI Italy
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22
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VanDenburgh KL, Liu Y, Sadhukhan T, Benson CR, Cox NM, Erbas-Cakmak S, Qiao B, Gao X, Pink M, Raghavachari K, Flood AH. Multi-state amine sensing by electron transfers in a BODIPY probe. Org Biomol Chem 2020; 18:431-440. [DOI: 10.1039/c9ob02466b] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Photoinduced electron transfer sets up the BODIPY probe for multi-state amine sensing by single-electron transfer then collisional quenching.
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Affiliation(s)
| | - Yun Liu
- Department of Chemistry
- Indiana University
- Bloomington
- USA
| | | | | | | | | | - Bo Qiao
- Department of Chemistry
- Indiana University
- Bloomington
- USA
| | - Xinfeng Gao
- Department of Chemistry
- Indiana University
- Bloomington
- USA
| | - Maren Pink
- Department of Chemistry
- Indiana University
- Bloomington
- USA
| | | | - Amar H. Flood
- Department of Chemistry
- Indiana University
- Bloomington
- USA
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23
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Filatov MA. Heavy-atom-free BODIPY photosensitizers with intersystem crossing mediated by intramolecular photoinduced electron transfer. Org Biomol Chem 2019; 18:10-27. [PMID: 31750502 DOI: 10.1039/c9ob02170a] [Citation(s) in RCA: 129] [Impact Index Per Article: 25.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Organic photosensitizers possessing efficient intersystem crossing (ISC) and forming long-living triplet excited states, play a crucial role in a number of applications. A common approach in the design of such dyes relies on the introduction of heavy atoms (e.g. transition metals or halogens) into the structure, which promote ISC via spin-orbit coupling interaction. In recent years, alternative methods to enhance ISC have been actively studied. Among those, the generation of triplet excited states through photoinduced electron transfer (PET) in heavy-atom-free molecules has attracted particular attention because it allows for the development of photosensitizers with programmed triplet state and fluorescence quantum yields. Due to their synthetic accessibility and tunability of optical properties, boron dipyrromethenes (BODIPYs) are so far the most perspective class of photosensitizers operating via this mechanism. This article reviews recently reported heavy-atom-free BODIPY donor-acceptor dyads and dimers which produce long-living triplet excited states and generate singlet oxygen. Structural factors which affect PET and concomitant triplet state formation in these molecules are discussed and the reported data on triplet state yields and singlet oxygen generation quantum yields in various solvents are summarized. Finally, examples of recent applications of these systems are highlighted.
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Affiliation(s)
- Mikhail A Filatov
- School of Chemical and Pharmaceutical Sciences, Technological University Dublin, City Campus, Kevin Street, Dublin 8, Ireland.
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24
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Chen K, Dong Y, Zhao X, Imran M, Tang G, Zhao J, Liu Q. Bodipy Derivatives as Triplet Photosensitizers and the Related Intersystem Crossing Mechanisms. Front Chem 2019; 7:821. [PMID: 31921760 PMCID: PMC6920128 DOI: 10.3389/fchem.2019.00821] [Citation(s) in RCA: 44] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2019] [Accepted: 11/12/2019] [Indexed: 11/13/2022] Open
Abstract
Recently varieties of Bodipy derivatives showing intersystem crossing (ISC) have been reported as triplet photosensitizers, and the application of these compounds in photocatalysis, photodynamic therapy (PDT), and photon upconversion are promising. In this review we summarized the recent development in the area of Bodipy-derived triplet photosensitizers and discussed the molecular structural factors that enhance the ISC ability. The compounds are introduced based on their ISC mechanisms, which include the heavy atom effect, exciton coupling, charge recombination (CR)-induced ISC, using a spin converter and radical enhanced ISC. Some transition metal complexes containing Bodipy chromophores are also discussed. The applications of these new triplet photosensitizers in photodynamic therapy, photocatalysis, and photon upconversion are briefly commented on. We believe the study of new triplet photosensitizers and the application of these novel materials in the abovementioned areas will be blooming.
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Affiliation(s)
- Kepeng Chen
- State Key Laboratory of Fine Chemicals, School of Chemical Engineering, Dalian University of Technology, Dalian, China
| | - Yu Dong
- State Key Laboratory of Fine Chemicals, School of Chemical Engineering, Dalian University of Technology, Dalian, China
| | - Xiaoyu Zhao
- State Key Laboratory of Fine Chemicals, School of Chemical Engineering, Dalian University of Technology, Dalian, China.,Key Laboratory of Energy Materials Chemistry, School of Chemistry and Chemical Engineering, Institute of Applied Chemistry, Xinjiang University, Ürümqi, China
| | - Muhammad Imran
- State Key Laboratory of Fine Chemicals, School of Chemical Engineering, Dalian University of Technology, Dalian, China
| | - Geliang Tang
- State Key Laboratory of Fine Chemicals, School of Chemical Engineering, Dalian University of Technology, Dalian, China
| | - Jianzhang Zhao
- State Key Laboratory of Fine Chemicals, School of Chemical Engineering, Dalian University of Technology, Dalian, China.,Key Laboratory of Energy Materials Chemistry, School of Chemistry and Chemical Engineering, Institute of Applied Chemistry, Xinjiang University, Ürümqi, China
| | - Qingyun Liu
- College of Chemical and Environmental Engineering, Shandong University of Science and Technology, Qingdao, China
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25
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Kandrashkin YE, Wang Z, Sukhanov AA, Hou Y, Zhang X, Liu Y, Voronkova VK, Zhao J. Balance between Triplet States in Photoexcited Orthogonal BODIPY Dimers. J Phys Chem Lett 2019; 10:4157-4163. [PMID: 31283880 DOI: 10.1021/acs.jpclett.9b01741] [Citation(s) in RCA: 34] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
The intersystem crossing (ISC) and the triplet states in two representative BODIPY orthogonal dimers were studied with time-resolved electron paramagnetic resonance (TREPR) spectroscopy. The electron spin polarization (ESP) of the triplet state of the dimers, accessed with spin-orbit charge-transfer ISC, is different from that of the monomer (spin-orbit coupling-induced ISC). The TREPR spectra show that the triplet state initially formed by charge recombination is localized on either of two subunits, with different preference and ESP patterns. On the basis of the relative orientation of the respective zero field splitting principal axes, the Tx state on one subunit and the Tz state on another subunit in the dimer are overpopulated. The balance between the two triplet states is confirmed by the temperature dependency of the population ratio. No quintet state was detected with TREPR down to 20 K; thus, the recently proposed singlet fission ISC mechanism is excluded.
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Affiliation(s)
- Yuri E Kandrashkin
- Zavoisky Physical-Technical Institute FRC Kazan Scientific Center of RAS , Sibirsky Tract 10/7 , Kazan 420029 , Russia
| | - Zhijia Wang
- State Key Laboratory of Fine Chemicals, School of Chemical Engineering , Dalian University of Technology , E-208 West Campus, 2 Ling Gong Road , Dalian 116024 , P.R. China
| | - Andrei A Sukhanov
- Zavoisky Physical-Technical Institute FRC Kazan Scientific Center of RAS , Sibirsky Tract 10/7 , Kazan 420029 , Russia
| | - Yuqi Hou
- State Key Laboratory of Fine Chemicals, School of Chemical Engineering , Dalian University of Technology , E-208 West Campus, 2 Ling Gong Road , Dalian 116024 , P.R. China
| | - Xue Zhang
- State Key Laboratory of Fine Chemicals, School of Chemical Engineering , Dalian University of Technology , E-208 West Campus, 2 Ling Gong Road , Dalian 116024 , P.R. China
| | - Ya Liu
- State Key Laboratory of Fine Chemicals, School of Chemical Engineering , Dalian University of Technology , E-208 West Campus, 2 Ling Gong Road , Dalian 116024 , P.R. China
| | - Violeta K Voronkova
- Zavoisky Physical-Technical Institute FRC Kazan Scientific Center of RAS , Sibirsky Tract 10/7 , Kazan 420029 , Russia
| | - Jianzhang Zhao
- State Key Laboratory of Fine Chemicals, School of Chemical Engineering , Dalian University of Technology , E-208 West Campus, 2 Ling Gong Road , Dalian 116024 , P.R. China
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26
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Yurt MZ, Cakmak Y, Tekin G, Karakurt S, Erbas-Cakmak S. Autoinhibitory Feedback Control over Photodynamic Action. ACS OMEGA 2019; 4:12293-12299. [PMID: 31460346 PMCID: PMC6681998 DOI: 10.1021/acsomega.9b01410] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 05/15/2019] [Accepted: 07/05/2019] [Indexed: 06/10/2023]
Abstract
In biology, the activity of enzymes is usually regulated by feedback loops, which enables direct communication between enzymes and the state of the cell. In a similar manner, with the intention to have automated activity regulation, the therapeutic effect of a photosensitizer (BOD1) is shown to be reduced through a negative feedback loop initiated by the photosensitizer. Photodynamic action produces cytotoxic 1O2 and this reactive oxygen species reacts with ascorbate, generating H2O2. Peroxide-mediated oxidation of the photosensitizer auxiliary group leads to the formation of inactive BOD2 from the parent photosensitizer. BOD1 is shown to accumulate in mitochondria, and cell viability is shown to decrease significantly with BOD1 compared to the loop end product, BOD2. Photoinduced enhancement of fluorescence indicates the formation of inactive BOD2 under cellular conditions, and enhanced fluorescence acts as a reporter for the activity of the photosensitizer. We present the first example of PDT autoinactivation, and such a feedback control mechanism would enable a decrease in post-therapy side effects.
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Affiliation(s)
- Mediha
Nur Zafer Yurt
- Institute of Science, Biotechnology
Graduate Program, Research and Development
Center for Diagnostic Kits, Department of Bioengineering, and Department of Molecular Biology
and Genetics, Konya Food and Agriculture
University, Konya 42080, Turkey
| | - Yusuf Cakmak
- Institute of Science, Biotechnology
Graduate Program, Research and Development
Center for Diagnostic Kits, Department of Bioengineering, and Department of Molecular Biology
and Genetics, Konya Food and Agriculture
University, Konya 42080, Turkey
| | - Gülsüm Tekin
- Department
of Biochemistry, Selçuk University, Konya 42030, Turkey
| | - Serdar Karakurt
- Department
of Biochemistry, Selçuk University, Konya 42030, Turkey
| | - Sundus Erbas-Cakmak
- Institute of Science, Biotechnology
Graduate Program, Research and Development
Center for Diagnostic Kits, Department of Bioengineering, and Department of Molecular Biology
and Genetics, Konya Food and Agriculture
University, Konya 42080, Turkey
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27
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Zhang L, Guo L, Shan X, Lin X, Gu T, Zhang J, Ge J, Li W, Ge H, Jiang Q, Ning X. An elegant nitroreductase responsive fluorescent probe for selective detection of pathogenic Listeria in vitro and in vivo. Talanta 2019; 198:472-479. [DOI: 10.1016/j.talanta.2019.02.026] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2018] [Revised: 12/24/2018] [Accepted: 02/04/2019] [Indexed: 01/24/2023]
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28
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Jarman JB, Dougherty DA. Charge-transfer heptamethine dyes for NIR singlet oxygen generation. Chem Commun (Camb) 2019; 55:5511-5514. [PMID: 31020279 DOI: 10.1039/c9cc01096c] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
A heptamethine-based charge-transfer dye was designed based on previous evidence of triplet state formation in orthogonal charge-transfer partners and calculations suggesting the formation of a charge-transfer state in heptamethine dye derivatives. An acridinium derivative of IR-1061 was subsequently synthesized and characterized, demonstrating photochemical reactivity at wavelengths over 1000 nm.
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Affiliation(s)
- John B Jarman
- Division of Chemistry and Chemical Engineering, California Institute of Technology, 164-30, Pasadena, CA 91125, USA.
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29
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Chen K, Zhao J, Li X, Gurzadyan GG. Anthracene–Naphthalenediimide Compact Electron Donor/Acceptor Dyads: Electronic Coupling, Electron Transfer, and Intersystem Crossing. J Phys Chem A 2019; 123:2503-2516. [PMID: 30860843 DOI: 10.1021/acs.jpca.8b11828] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Kepeng Chen
- State Key Laboratory of Fine Chemicals, School of Chemical Engineering, Dalian University of Technology, E-208 West Campus, 2 Ling-Gong Road, Dalian 116024, P. R. China
| | - Jianzhang Zhao
- State Key Laboratory of Fine Chemicals, School of Chemical Engineering, Dalian University of Technology, E-208 West Campus, 2 Ling-Gong Road, Dalian 116024, P. R. China
- School of Chemistry and Chemical Engineering and Key Laboratory of Energy Materials Chemistry, Ministry of Education, Institute of Applied Chemistry, Xinjiang University, Urumqi 830046, Xinjiang, P. R. China
| | - Xiaoxin Li
- Institute of Artificial Photosynthesis, State Key Laboratory of Fine Chemicals, Dalian University of Technology, West Campus, 2 Ling-Gong Road, Dalian 116024, P. R. China
| | - Gagik G. Gurzadyan
- Institute of Artificial Photosynthesis, State Key Laboratory of Fine Chemicals, Dalian University of Technology, West Campus, 2 Ling-Gong Road, Dalian 116024, P. R. China
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30
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Zhang L, Shan X, Guo L, Zhang J, Ge J, Jiang Q, Ning X. A sensitive and fast responsive fluorescent probe for imaging hypoxic tumors. Analyst 2019; 144:284-289. [DOI: 10.1039/c8an01472h] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
A BBP possesses a unique fluorescence off–on feature, and can selectively monitor the early tumor formation and treatment response.
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Affiliation(s)
- Lei Zhang
- National Laboratory of Solid State Microstructures
- College of Engineering and Applied Sciences
- Nanjing University
- 210093 Nanjing
- China
| | - Xue Shan
- National Laboratory of Solid State Microstructures
- College of Engineering and Applied Sciences
- Nanjing University
- 210093 Nanjing
- China
| | - Leilei Guo
- State Key Laboratory of National Medicines
- Centre of Advanced Pharmaceuticals and Biomaterials
- China Pharmaceutical University
- Nanjing 210009
- China
| | - Jikang Zhang
- National Laboratory of Solid State Microstructures
- College of Engineering and Applied Sciences
- Nanjing University
- 210093 Nanjing
- China
| | - Junliang Ge
- National Laboratory of Solid State Microstructures
- College of Engineering and Applied Sciences
- Nanjing University
- 210093 Nanjing
- China
| | - Qing Jiang
- The Center of Diagnosis and Treatment for Joint Disease
- Drum Tower Hospital Affiliated to Medical School of Nanjing University
- Nanjing
- China
- Laboratory for Bone and Joint Diseases
| | - Xinghai Ning
- National Laboratory of Solid State Microstructures
- College of Engineering and Applied Sciences
- Nanjing University
- 210093 Nanjing
- China
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31
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Affiliation(s)
- Ku Sun Choung
- Department of ChemistryUniversity of Houston 3585 Cullen Blvd., Room 112 Houston TX 77204–5003 United States
| | - Thomas S. Teets
- Department of ChemistryUniversity of Houston 3585 Cullen Blvd., Room 112 Houston TX 77204–5003 United States
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32
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Wang Z, Gao Y, Hussain M, Kundu S, Rane V, Hayvali M, Yildiz EA, Zhao J, Yaglioglu HG, Das R, Luo L, Li J. Efficient Radical-Enhanced Intersystem Crossing in an NDI-TEMPO Dyad: Photophysics, Electron Spin Polarization, and Application in Photodynamic Therapy. Chemistry 2018; 24:18663-18675. [PMID: 30325074 DOI: 10.1002/chem.201804212] [Citation(s) in RCA: 55] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2018] [Indexed: 01/09/2023]
Abstract
A compact naphthalenediimide (NDI)-2,2,6,6-tetramethylpiperidinyloxy (TEMPO) dyad has been prepared with the aim of studying radical-enhanced intersystem crossing (EISC) and the formation of high spin states as well as electron spin polarization (ESP) dynamics. Compared with the previously reported radical-chromophore dyads, the present system shows a very high triplet state quantum yield (ΦT =74 %), a long-lived triplet state (τT =8.7 μs), fast EISC (1/kEISC =338 ps), and absorption in the red spectral region. Time-resolved electron paramagnetic resonance (TREPR) spectroscopy showed that, upon photoexcitation in fluid solution at room temperature, the D0 state of the TEMPO moiety produces strong emissive (E) polarization owing to the quenching of the excited singlet state of NDI by the radical moiety (electron exchange J>0). The emissive polarization then inverts into absorptive (A) polarization within about 3 μs, and then relaxes to a thermal equilibrium while quenching the triplet state of NDI. The formation and decay of the quartet state were also observed. The dyad was used as a three-spin triplet photosensitizer for triplet-triplet annihilation upconversion (quantum yield ΦUC =2.6 %). Remarkably, when encapsulated into liposomes, the red-light-absorbing dyad-liposomes show good biocompatibility and excellent photodynamic therapy efficiency (phototoxicity EC50 =3.22 μm), and therefore is a promising candidate for future less toxic and multifunctional photodynamic therapeutic reagents.
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Affiliation(s)
- Zhijia Wang
- State Key Laboratory of Fine Chemicals, School of Chemical Engineering, Dalian University of Technology, E-208 West Campus, 2 Ling Gong Rd., Dalian, 116024, P. R. China
| | - Yuting Gao
- National Engineering Research Center for Nanomedicine, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan, 430074, P. R. China
| | - Mushraf Hussain
- State Key Laboratory of Fine Chemicals, School of Chemical Engineering, Dalian University of Technology, E-208 West Campus, 2 Ling Gong Rd., Dalian, 116024, P. R. China
| | - Sushma Kundu
- Tata Institute of Fundamental Research, Homi Bhabha Road, Mumbai, 400005, India
| | - Vinayak Rane
- Radiochemistry Division, Bhabha Atomic Research Centre, Mumbai, 400085, India
| | - Mustafa Hayvali
- Department of Engineering Physics, Faculty of Engineering, and Department of Chemistry, Faculty of Science, Ankara University, 06100, Beşevler, Ankara, Turkey
| | - Elif Akhüseyin Yildiz
- Department of Engineering Physics, Faculty of Engineering, and Department of Chemistry, Faculty of Science, Ankara University, 06100, Beşevler, Ankara, Turkey
| | - Jianzhang Zhao
- State Key Laboratory of Fine Chemicals, School of Chemical Engineering, Dalian University of Technology, E-208 West Campus, 2 Ling Gong Rd., Dalian, 116024, P. R. China
| | - Halime Gul Yaglioglu
- Department of Engineering Physics, Faculty of Engineering, and Department of Chemistry, Faculty of Science, Ankara University, 06100, Beşevler, Ankara, Turkey
| | - Ranjan Das
- Tata Institute of Fundamental Research, Homi Bhabha Road, Mumbai, 400005, India
| | - Liang Luo
- National Engineering Research Center for Nanomedicine, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan, 430074, P. R. China
| | - Jianfeng Li
- College of Materials Science and Opto-electronic Technology, University of Chinese Academy of Sciences, Yanqi Lake, Huairou District, Beijing, 101408, P. R. China
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33
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LaMaster DJ, Kaufman NEM, Bruner AS, Vicente MGH. Structure Based Modulation of Electron Dynamics in meso-(4-Pyridyl)-BODIPYs: A Computational and Synthetic Approach. J Phys Chem A 2018; 122:6372-6380. [PMID: 30016866 PMCID: PMC6693353 DOI: 10.1021/acs.jpca.8b05153] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
The effects of structural modification on the electronic structure and electron dynamics of cationic meso-(4-pyridyl)-BODIPYs were investigated. A library of 2,6-difunctionalized meso-(4-pyridyl)-BODIPYs bearing various electron-withdrawing substituents was designed, and DFT calculations were used to model the redox properties, while TDDFT was used to determine the effects of functionalization on the excited states. Structural modification was able to restructure the low-lying molecular orbitals to effectively inhibit d-PeT. A new meso-(4-pyridyl)-BODIPY bearing 2,6-dichloro groups was synthesized and shown to exhibit enhanced charge recombination fluorescence. The fluorescence enhancement was determined to be the result of functionalization modulating the kinetics of the excited state dynamics.
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Affiliation(s)
- Daniel J. LaMaster
- Department of Chemistry, Louisiana State University, Baton Rouge, Louisiana 70803, United States
| | - Nichole E. M. Kaufman
- Department of Chemistry, Louisiana State University, Baton Rouge, Louisiana 70803, United States
| | - Adam S. Bruner
- Department of Chemistry, Louisiana State University, Baton Rouge, Louisiana 70803, United States
| | - M. Graça H. Vicente
- Department of Chemistry, Louisiana State University, Baton Rouge, Louisiana 70803, United States
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34
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Filatov MA, Karuthedath S, Polestshuk PM, Callaghan S, Flanagan KJ, Wiesner T, Laquai F, Senge MO. BODIPY-Pyrene and Perylene Dyads as Heavy-Atom-Free Singlet Oxygen Sensitizers. CHEMPHOTOCHEM 2018. [DOI: 10.1002/cptc.201800020] [Citation(s) in RCA: 46] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Mikhail A. Filatov
- School of Chemistry, SFI Tetrapyrrole Laboratory Trinity Biomedical Sciences Institute; Trinity College Dublin, The University of Dublin; 152-160 Pearse Street Dublin 2 Ireland
- New address: School of Chemical and Pharmaceutical Science; Dublin Institute of Technology; Kevin Street Dublin 8 Ireland
| | - Safakath Karuthedath
- KAUST Solar Center (KSC) Physical Sciences and Engineering Division (PSE) Material Science and Engineering Program (MSE); King Abdullah University of Science and Technology (KAUST); Thuwal 23955-6900 Kingdom of Saudi Arabia
| | - Pavel M. Polestshuk
- Department of Chemistry; M. V. Lomonosov Moscow State University; Leninskie Gory, 1/3 Moscow 119991 Russia
| | - Susan Callaghan
- School of Chemistry, SFI Tetrapyrrole Laboratory Trinity Biomedical Sciences Institute; Trinity College Dublin, The University of Dublin; 152-160 Pearse Street Dublin 2 Ireland
| | - Keith J. Flanagan
- School of Chemistry, SFI Tetrapyrrole Laboratory Trinity Biomedical Sciences Institute; Trinity College Dublin, The University of Dublin; 152-160 Pearse Street Dublin 2 Ireland
| | - Thomas Wiesner
- School of Chemistry, SFI Tetrapyrrole Laboratory Trinity Biomedical Sciences Institute; Trinity College Dublin, The University of Dublin; 152-160 Pearse Street Dublin 2 Ireland
| | - Frédéric Laquai
- KAUST Solar Center (KSC) Physical Sciences and Engineering Division (PSE) Material Science and Engineering Program (MSE); King Abdullah University of Science and Technology (KAUST); Thuwal 23955-6900 Kingdom of Saudi Arabia
| | - Mathias O. Senge
- School of Chemistry, SFI Tetrapyrrole Laboratory Trinity Biomedical Sciences Institute; Trinity College Dublin, The University of Dublin; 152-160 Pearse Street Dublin 2 Ireland
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35
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Turan IS, Gunaydin G, Ayan S, Akkaya EU. Molecular demultiplexer as a terminator automaton. Nat Commun 2018; 9:805. [PMID: 29476048 PMCID: PMC5824880 DOI: 10.1038/s41467-018-03259-z] [Citation(s) in RCA: 39] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2017] [Accepted: 01/31/2018] [Indexed: 11/09/2022] Open
Abstract
Molecular logic gates are expected to play an important role on the way to information processing therapeutic agents, especially considering the wide variety of physical and chemical responses that they can elicit in response to the inputs applied. Here, we show that a 1:2 demultiplexer based on a Zn2+-terpyridine-Bodipy conjugate with a quenched fluorescent emission, is efficient in photosensitized singlet oxygen generation as inferred from trap compound experiments and cell culture data. However, once the singlet oxygen generated by photosensitization triggers apoptotic response, the Zn2+ complex then interacts with the exposed phosphatidylserine lipids in the external leaflet of the membrane bilayer, autonomously switching off singlet oxygen generation, and simultaneously switching on a bright emission response. This is the confirmatory signal of the cancer cell death by the action of molecular automaton and the confinement of unintended damage by excessive singlet oxygen production.
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Affiliation(s)
- Ilke S Turan
- UNAM-National Nanotechnology Research Center, Bilkent University, 06800, Ankara, Turkey
| | - Gurcan Gunaydin
- Department of Basic Oncology, Hacettepe University, 06100, Ankara, Turkey
| | - Seylan Ayan
- Department of Chemistry, Bilkent University, 06800, Ankara, Turkey
| | - Engin U Akkaya
- UNAM-National Nanotechnology Research Center, Bilkent University, 06800, Ankara, Turkey. .,Department of Chemistry, Bilkent University, 06800, Ankara, Turkey.
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36
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He X, Benniston AC, Lemmetyinen H, Tkachenko NV. Charge Shift/Recombination and Triplet Formation in a Molecular Dyad based on a Borondipyrromethene (Bodipy) and an Expanded Acridinium Cation. CHEMPHOTOCHEM 2018. [DOI: 10.1002/cptc.201700184] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Xiaoyan He
- Molecular Photonics Laboratory, Chemistry-School of Natural & Environmental Sciences; Newcastle University; Newcastle upon Tyne NE1 7RU UK
| | - Andrew C. Benniston
- Molecular Photonics Laboratory, Chemistry-School of Natural & Environmental Sciences; Newcastle University; Newcastle upon Tyne NE1 7RU UK
| | - Helge Lemmetyinen
- Laboratory of Chemistry & Bioengineering; Tampere University of Technology, PO Box 541; Tampere FIN-33101 Finland
| | - Nikolai V. Tkachenko
- Laboratory of Chemistry & Bioengineering; Tampere University of Technology, PO Box 541; Tampere FIN-33101 Finland
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37
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Toffoletti A, Wang Z, Zhao J, Tommasini M, Barbon A. Precise determination of the orientation of the transition dipole moment in a Bodipy derivative by analysis of the magnetophotoselection effect. Phys Chem Chem Phys 2018; 20:20497-20503. [DOI: 10.1039/c8cp01984c] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Precise determination, in isotropic samples, of the electronic transition dipole moment orientation in the molecular frame by exploiting magnetophotoselection effects.
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Affiliation(s)
- Antonio Toffoletti
- Dipartimento di Scienze Chimiche
- Università degli Studi di Padova
- 35131 Padova
- Italy
| | - Zhijia Wang
- State Key Laboratory of Fine Chemicals
- Dalian University of Technology
- Dalian 116024
- People's Republic of China
| | - Jianzhang Zhao
- State Key Laboratory of Fine Chemicals
- Dalian University of Technology
- Dalian 116024
- People's Republic of China
| | - Matteo Tommasini
- Dipartimento di Chimica
- Materiali e Ingegneria Chimica
- Politecnico di Milano
- 20133 Milano
- Italy
| | - Antonio Barbon
- Dipartimento di Scienze Chimiche
- Università degli Studi di Padova
- 35131 Padova
- Italy
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38
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Bonacorso HG, Calheiro TP, Iglesias BA, Acunha TV, Franceschini SZ, Ketzer A, Meyer AR, Rodrigues LV, Nogara PA, Rocha JBT, Zanatta N, Martins MAP. 1,1-Difluoro-3-aryl(heteroaryl)-1H-pyrido[1,2-c][1,3,5,2]oxadiazaborinin-9-ium-1-uides: synthesis; structure; and photophysical, electrochemical, and BSA-binding studies. NEW J CHEM 2018. [DOI: 10.1039/c7nj04032f] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
New fluorinated pyridine-based boron heterocycles were easily prepared and fully characterized.
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Zhao J, Chen K, Hou Y, Che Y, Liu L, Jia D. Recent progress in heavy atom-free organic compounds showing unexpected intersystem crossing (ISC) ability. Org Biomol Chem 2018; 16:3692-3701. [DOI: 10.1039/c8ob00421h] [Citation(s) in RCA: 78] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
The intersystem crossing (ISC) of the heavy atom-free triplet photosensitizers was summarised, including the spin–orbit charge transfer ISC mechanism.
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Affiliation(s)
- Jianzhang Zhao
- School of Chemistry and Chemical Engineering
- Xinjiang University
- Urumqi 830046
- China
- Key Laboratory of Energy Materials Chemistry
| | - Kepeng Chen
- State Key Laboratory of Fine Chemicals
- School of Chemical Engineering
- Dalian University of Technology
- Dalian 116024
- P. R. China
| | - Yuqi Hou
- State Key Laboratory of Fine Chemicals
- School of Chemical Engineering
- Dalian University of Technology
- Dalian 116024
- P. R. China
| | - Yuanyuan Che
- School of Chemistry and Chemical Engineering
- Xinjiang University
- Urumqi 830046
- China
- Key Laboratory of Energy Materials Chemistry
| | - Lang Liu
- School of Chemistry and Chemical Engineering
- Xinjiang University
- Urumqi 830046
- China
- Key Laboratory of Energy Materials Chemistry
| | - Dianzeng Jia
- Key Laboratory of Energy Materials Chemistry
- Ministry of Education
- Institute of Applied Chemistry
- Xinjiang University
- Urumqi 830046
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40
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Filatov MA, Karuthedath S, Polestshuk PM, Callaghan S, Flanagan KJ, Telitchko M, Wiesner T, Laquai F, Senge MO. Control of triplet state generation in heavy atom-free BODIPY–anthracene dyads by media polarity and structural factors. Phys Chem Chem Phys 2018; 20:8016-8031. [DOI: 10.1039/c7cp08472b] [Citation(s) in RCA: 76] [Impact Index Per Article: 12.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Heavy atom-free BODIPY–anthracene dyads show triplet excited state formation via PeT, controlled by molecular rotation and environmental polarity.
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Affiliation(s)
- Mikhail A. Filatov
- School of Chemistry
- SFI Tetrapyrrole Laboratory
- Trinity Biomedical Sciences Institute
- Trinity College Dublin
- The University of Dublin
| | - Safakath Karuthedath
- King Abdullah University of Science and Technology (KAUST)
- KAUST Solar Center (KSC)
- Physical Sciences and Engineering Division (PSE)
- Material Science and Engineering Program (MSE)
- Thuwal 23955-6900
| | - Pavel M. Polestshuk
- Department of Chemistry
- M.V. Lomonosov Moscow State University
- Moscow 119991
- Russia
| | - Susan Callaghan
- School of Chemistry
- SFI Tetrapyrrole Laboratory
- Trinity Biomedical Sciences Institute
- Trinity College Dublin
- The University of Dublin
| | - Keith J. Flanagan
- School of Chemistry
- SFI Tetrapyrrole Laboratory
- Trinity Biomedical Sciences Institute
- Trinity College Dublin
- The University of Dublin
| | - Maxime Telitchko
- School of Chemistry
- SFI Tetrapyrrole Laboratory
- Trinity Biomedical Sciences Institute
- Trinity College Dublin
- The University of Dublin
| | - Thomas Wiesner
- School of Chemistry
- SFI Tetrapyrrole Laboratory
- Trinity Biomedical Sciences Institute
- Trinity College Dublin
- The University of Dublin
| | - Frédéric Laquai
- King Abdullah University of Science and Technology (KAUST)
- KAUST Solar Center (KSC)
- Physical Sciences and Engineering Division (PSE)
- Material Science and Engineering Program (MSE)
- Thuwal 23955-6900
| | - Mathias O. Senge
- School of Chemistry
- SFI Tetrapyrrole Laboratory
- Trinity Biomedical Sciences Institute
- Trinity College Dublin
- The University of Dublin
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41
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Wang C, Wang G, Li X, Wang K, Fan J, Jiang K, Guo Y, Zhang H. Highly Sensitive Fluorescence Molecular Switch for the Ratio Monitoring of Trace Change of Mitochondrial Membrane Potential. Anal Chem 2017; 89:11514-11519. [DOI: 10.1021/acs.analchem.7b02781] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Affiliation(s)
- Caixia Wang
- Key
Laboratory of Green Chemical Media and Reactions, Ministry of Education,
Collaborative Innovation Center of Henan Province for Green Manufacturing
of Fine Chemicals, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, Henan 453000, P.R. China
| | - Ge Wang
- Xinxiang Medical University, Xinxiang, Henan 453000, P.R. China
| | - Xiang Li
- Key
Laboratory of Green Chemical Media and Reactions, Ministry of Education,
Collaborative Innovation Center of Henan Province for Green Manufacturing
of Fine Chemicals, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, Henan 453000, P.R. China
- Key
Laboratory for Yellow River and Huai River Water Environment and Pollution
Control, Ministry of Education, School of Environment, Henan Normal University, Xinxiang, Henan 453000, P.R. China
| | - Kui Wang
- Key
Laboratory of Green Chemical Media and Reactions, Ministry of Education,
Collaborative Innovation Center of Henan Province for Green Manufacturing
of Fine Chemicals, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, Henan 453000, P.R. China
| | - Jing Fan
- Key
Laboratory of Green Chemical Media and Reactions, Ministry of Education,
Collaborative Innovation Center of Henan Province for Green Manufacturing
of Fine Chemicals, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, Henan 453000, P.R. China
- Key
Laboratory for Yellow River and Huai River Water Environment and Pollution
Control, Ministry of Education, School of Environment, Henan Normal University, Xinxiang, Henan 453000, P.R. China
| | - Kai Jiang
- Key
Laboratory of Green Chemical Media and Reactions, Ministry of Education,
Collaborative Innovation Center of Henan Province for Green Manufacturing
of Fine Chemicals, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, Henan 453000, P.R. China
- Key
Laboratory for Yellow River and Huai River Water Environment and Pollution
Control, Ministry of Education, School of Environment, Henan Normal University, Xinxiang, Henan 453000, P.R. China
| | - Yuming Guo
- Key
Laboratory of Green Chemical Media and Reactions, Ministry of Education,
Collaborative Innovation Center of Henan Province for Green Manufacturing
of Fine Chemicals, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, Henan 453000, P.R. China
| | - Hua Zhang
- Key
Laboratory of Green Chemical Media and Reactions, Ministry of Education,
Collaborative Innovation Center of Henan Province for Green Manufacturing
of Fine Chemicals, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, Henan 453000, P.R. China
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42
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Gotor R, Ashokkumar P, Hecht M, Keil K, Rurack K. Optical pH Sensor Covering the Range from pH 0-14 Compatible with Mobile-Device Readout and Based on a Set of Rationally Designed Indicator Dyes. Anal Chem 2017; 89:8437-8444. [PMID: 28696681 DOI: 10.1021/acs.analchem.7b01903] [Citation(s) in RCA: 74] [Impact Index Per Article: 10.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
In this work, a family of pH-responsive fluorescent probes has been designed in a rational manner with the aid of quantum chemistry tools, covering the entire pH range from 0-14. Relying on the boron-dipyrromethene (BODIPY) core, all the probes as well as selected reference dyes display very similar spectroscopic properties with ON-OFF fluorescence switching responses, facilitating optical readout in simple devices used for detection and analysis. Embedding of the probes and reference dyes into hydrogel spots on a plastic strip yielded a test strip that reversibly indicates pH with a considerably small uncertainty of ∼0.1 pH units. These strips are not only reusable but, combined with a 3D-printed case that can be attached to a smartphone, the USB port of which drives the integrated LED used for excitation, allows for autonomous operation in on-site or in-the-field applications; the developed Android application software ("app") further simplifies operation for unskilled users.
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Affiliation(s)
- Raúl Gotor
- Chemical and Optical Sensing Division, Bundesanstalt für Materialforschung und -prüfung (BAM) , Richard-Willstätter-Strasse 11, 12489 Berlin, Germany
| | - Pichandi Ashokkumar
- Chemical and Optical Sensing Division, Bundesanstalt für Materialforschung und -prüfung (BAM) , Richard-Willstätter-Strasse 11, 12489 Berlin, Germany
| | - Mandy Hecht
- Chemical and Optical Sensing Division, Bundesanstalt für Materialforschung und -prüfung (BAM) , Richard-Willstätter-Strasse 11, 12489 Berlin, Germany
| | - Karin Keil
- Chemical and Optical Sensing Division, Bundesanstalt für Materialforschung und -prüfung (BAM) , Richard-Willstätter-Strasse 11, 12489 Berlin, Germany
| | - Knut Rurack
- Chemical and Optical Sensing Division, Bundesanstalt für Materialforschung und -prüfung (BAM) , Richard-Willstätter-Strasse 11, 12489 Berlin, Germany
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43
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Stachelek P, Alsimaree AA, Alnoman RB, Harriman A, Knight JG. Thermally-Activated, Delayed Fluorescence in O,B,O- and N,B,O-Strapped Boron Dipyrromethene Derivatives. J Phys Chem A 2017; 121:2096-2107. [PMID: 28245114 DOI: 10.1021/acs.jpca.6b11131] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
A small series of boron dipyrromethene (BODIPY) dyes has been synthesized whereby the boron atom is constrained in a five-membered ring formed from either o-dihydroxypyridine or o-aminophenol. In the latter case, the amino group has been converted into the corresponding amide derivative so as to curtail the possibility for light-induced charge transfer from strap to BODIPY. These compounds are weakly emissive in fluid solution but cleavage of the strap, by treatment with a photoacid generator, restores strong fluorescence. Surprisingly, the same compounds remain weakly fluorescent in a rigid glass at 80 K where light-induced charge transfer is most unlikely. In fluid solution, the fluorescence quantum yield increases with increasing temperature due to a thermally activated step but does not correlate with the thermodynamics for intramolecular charge transfer. It is proposed that the strap causes rupture of the potential energy surface for the excited state, creating traps that provide new routes by which the wave packet can return to the ground state. Access to the trap from the excited state is reversible, leading to the delayed emission. Analysis of the temperature dependent emission intensities allows estimation of the kinetic parameters associated with entering and leaving the trap.
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Affiliation(s)
- Patrycja Stachelek
- Molecular Photonics Laboratory, ‡School of Chemistry, Bedson Building, Newcastle University , Newcastle upon Tyne NE1 7RU, United Kingdom
| | - Abdulrahman A Alsimaree
- Molecular Photonics Laboratory, ‡School of Chemistry, Bedson Building, Newcastle University , Newcastle upon Tyne NE1 7RU, United Kingdom
| | - Rua B Alnoman
- Molecular Photonics Laboratory, ‡School of Chemistry, Bedson Building, Newcastle University , Newcastle upon Tyne NE1 7RU, United Kingdom
| | - Anthony Harriman
- Molecular Photonics Laboratory, ‡School of Chemistry, Bedson Building, Newcastle University , Newcastle upon Tyne NE1 7RU, United Kingdom
| | - Julian G Knight
- Molecular Photonics Laboratory, ‡School of Chemistry, Bedson Building, Newcastle University , Newcastle upon Tyne NE1 7RU, United Kingdom
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44
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Agazzi ML, Ballatore MB, Reynoso E, Quiroga ED, Durantini EN. Synthesis, spectroscopic properties and photodynamic activity of two cationic BODIPY derivatives with application in the photoinactivation of microorganisms. Eur J Med Chem 2017; 126:110-121. [DOI: 10.1016/j.ejmech.2016.10.001] [Citation(s) in RCA: 31] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2016] [Revised: 09/19/2016] [Accepted: 10/01/2016] [Indexed: 10/20/2022]
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45
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Hisamatsu Y, Kumar S, Aoki S. Design and Synthesis of Tris-Heteroleptic Cyclometalated Iridium(III) Complexes Consisting of Three Different Nonsymmetric Ligands Based on Ligand-Selective Electrophilic Reactions via Interligand HOMO Hopping Phenomena. Inorg Chem 2016; 56:886-899. [DOI: 10.1021/acs.inorgchem.6b02519] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Affiliation(s)
- Yosuke Hisamatsu
- Faculty
of Pharmaceutical Sciences, ‡Division of Medical Science-Engineering
Cooperation, Research Institute for Science and Technology, and §Imaging Frontier
Center, Research Institute for Science and Technology, Tokyo University of Science, 2641 Yamazaki, Noda, Chiba 278-8510, Japan
| | - Sarvendra Kumar
- Faculty
of Pharmaceutical Sciences, ‡Division of Medical Science-Engineering
Cooperation, Research Institute for Science and Technology, and §Imaging Frontier
Center, Research Institute for Science and Technology, Tokyo University of Science, 2641 Yamazaki, Noda, Chiba 278-8510, Japan
| | - Shin Aoki
- Faculty
of Pharmaceutical Sciences, ‡Division of Medical Science-Engineering
Cooperation, Research Institute for Science and Technology, and §Imaging Frontier
Center, Research Institute for Science and Technology, Tokyo University of Science, 2641 Yamazaki, Noda, Chiba 278-8510, Japan
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46
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Abstract
BODIPY laser dyes constitute a fascinating topic of research in modern photochemistry due to the large variety of options its chromophore offers, which is ready available for a multitude of synthetic routes. Indeed, in the literature one can find a huge battery of compounds based on the indacene core. The possibility of modulating the spectroscopic properties or inducing new photophysical processes by the substitution pattern of the BODIPY dyes has boosted the number of scientific and technological applications for these fluorophores. Along the following lines, I will overview the main results achieved in our laboratory with BODIPYs oriented to optoelectronic as well to biophotonic applications, stressing the more relevant photophysical issues to be considered in the design of a tailor-made BODIPY for a certain application and pointing out some of the remaining challenges.
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Affiliation(s)
- Jorge Bañuelos
- Dpto. Química Física, Universidad del País Vasco (UPV/EHU), Aptdo. 644, 48080, Bilbao, Spain
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47
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Xu J, Sun S, Li Q, Yue Y, Li Y, Shao S. A rapid response "Turn-On" fluorescent probe for nitroreductase detection and its application in hypoxic tumor cell imaging. Analyst 2015; 140:574-81. [PMID: 25422882 DOI: 10.1039/c4an01934b] [Citation(s) in RCA: 62] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
A novel "Turn-On" fluorescent probe, quaternarized 4-pyridinyl-substituted BODIPY dye by incorporating a 5-nitrofuran moiety, was developed and applied for imaging the hypoxic status of tumor cells by the indirect detection of nitroreductase. The design was based on a nitroreductase-catalyzed reduction of the nitrofuran moiety in the presence of reduced nicotinamide adenine dinucleotide (NADH) as an electron donor and followed by the 1,6-rearrangement-elimination and the release of free 4-pyridinyl-substituted BODIPY dye . This probe displayed desired properties such as high specificity, "Turn-On" fluorescence response with suitable sensitivity, appreciable water solubility and rapid response time (within 5 min). Moreover, as a biocompatible molecule, the probe has been successfully applied for imaging the hypoxic status of tumor cells (e.g. A549 cells) and especially used for real-time determination of nitroreductase produced by Escherichia coli. Therefore, we hope to apply this novel method in the biomedical research fields for the imaging of disease-relevant hypoxia and detection of pathogenic microorganisms.
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Affiliation(s)
- Jian Xu
- Key Laboratory of Chemistry of Northwestern Plant Resources and Key Laboratory for Natural Medicine of Gansu Province, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, P. R. China.
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48
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Juárez LA, Barba-Bon A, Costero AM, Martínez-Máñez R, Sancenón F, Parra M, Gaviña P, Terencio MC, Alcaraz MJ. A Boron Dipyrromethene (BODIPY)-Based CuII-Bipyridine Complex for Highly Selective NO Detection. Chemistry 2015; 21:15486-90. [DOI: 10.1002/chem.201502191] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2015] [Indexed: 01/13/2023]
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49
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Jin C, Liu J, Chen Y, Zeng L, Guan R, Ouyang C, Ji L, Chao H. Cyclometalated Iridium(III) Complexes as Two-Photon Phosphorescent Probes for Specific Mitochondrial Dynamics Tracking in Living Cells. Chemistry 2015. [DOI: 10.1002/chem.201501882] [Citation(s) in RCA: 58] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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50
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Jiang N, Fan J, Xu F, Peng X, Mu H, Wang J, Xiong X. Ratiometric Fluorescence Imaging of Cellular Polarity: Decrease in Mitochondrial Polarity in Cancer Cells. Angew Chem Int Ed Engl 2015. [DOI: 10.1002/ange.201410645] [Citation(s) in RCA: 49] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
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