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Abid S, Ben Hassine S, Sun Z, Richy N, Camerel F, Jamoussi B, Blanchard-Desce M, Mongin O, Paul F, Paul-Roth C. Impact of Changing the Core in Tetrapyrrolic Dendrimers Designed for Oxygen Sensitization: New Fluorescent Phthalocyanine-Based Dendrimers with High Two-Photon Absorption Cross-sections. Macromolecules 2021. [DOI: 10.1021/acs.macromol.1c00830] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Affiliation(s)
- Seifallah Abid
- Univ Rennes, CNRS, ISCR (Institut des Sciences Chimiques de Rennes) − UMR 6226, F-35000 Rennes, France
- Faculté des Sciences de Bizerte, Université de Carthage, Carthage BP 77-1054, Tunisia
| | - Sarra Ben Hassine
- Univ Rennes, CNRS, ISCR (Institut des Sciences Chimiques de Rennes) − UMR 6226, F-35000 Rennes, France
- Faculté des Sciences de Tunis, Université de Tunis El Manar, Tunis 1068, Tunisie
| | - Zhipeng Sun
- Univ Rennes, CNRS, ISCR (Institut des Sciences Chimiques de Rennes) − UMR 6226, F-35000 Rennes, France
| | - Nicolas Richy
- Univ Rennes, CNRS, ISCR (Institut des Sciences Chimiques de Rennes) − UMR 6226, F-35000 Rennes, France
| | - Franck Camerel
- Univ Rennes, CNRS, ISCR (Institut des Sciences Chimiques de Rennes) − UMR 6226, F-35000 Rennes, France
| | - Bassem Jamoussi
- Department of Environmental Sciences, Faculty of Meteorology, Environment and Arid Land Agriculture, King Abdulaziz University, 21589 Jeddah, Saudi Arabia
| | | | - Olivier Mongin
- Univ Rennes, CNRS, ISCR (Institut des Sciences Chimiques de Rennes) − UMR 6226, F-35000 Rennes, France
| | - Frédéric Paul
- Univ Rennes, CNRS, ISCR (Institut des Sciences Chimiques de Rennes) − UMR 6226, F-35000 Rennes, France
| | - Christine Paul-Roth
- Univ Rennes, CNRS, ISCR (Institut des Sciences Chimiques de Rennes) − UMR 6226, F-35000 Rennes, France
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Phthalocyanine-Cored Fluorophores with Fluorene-Containing Peripheral Two-Photon Antennae as Photosensitizers for Singlet Oxygen Generation. Molecules 2020; 25:molecules25020239. [PMID: 31936003 PMCID: PMC7024215 DOI: 10.3390/molecules25020239] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2019] [Revised: 12/19/2019] [Accepted: 12/21/2019] [Indexed: 02/07/2023] Open
Abstract
A series of free base and Zn(II) phthalocyanines featuring fluorenyl antennae linked by methoxy or oxo bridges to the phthalocyanine core (Pc) were synthesized and characterized. Selected linear and nonlinear (two-photon absorption) optical properties of these new compounds were subsequently studied. As previously observed for related porphyrin dendrimers bearing 2-fluorenyl peripheral dendrons, an efficient energy transfer occurs from the peripheral antennae to the central phthalocyanine core following excitation in the fluorenyl-based π–π* absorption band of these chromophores. Once excited, these compounds relax to the ground state, mostly by emitting intense red light or by undergoing intersystem crossing. As a result, the tetrafunctionalized Zn(II) phthalocyanines are fluorescent, but can also efficiently photosensitize molecular oxygen in tetrahydrofurane (THF), forming singlet oxygen with nearly comparable yields to bare Zn(II) phthalocyanine (ZnPc). In comparison with the latter complex, the positive role of the fluorenyl-containing antennae on one- and two-photon brightness (2PA) is presently demonstrated when appended in peripheral (β) position to the phthalocyanine core. Furthermore, when compared to known porphyrin analogues, the interest in replacing the porphyrin by a phthalocyanine as the central core to obtain more fluorescent two-photon oxygen photosensitizers is clearly established. As such, this contribution paves the way for the future development of innovative biphotonic photosensitizers usable in theranostics.
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Zhu X, Li Y, Zan W, Zhang J, Chen Z, Liu X, Qi F, Yao X, Zhang X, Zhang H. A two-photon off-on fluorescence probe for imaging thiols in live cells and tissues. Photochem Photobiol Sci 2016; 15:412-9. [DOI: 10.1039/c5pp00468c] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
An effective off-on two-photon fluorescence imaging probe for thiols was developed and successfully applied to image thiols both in live cells and tissues.
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Wang A, Long L, Meng S, Li X, Zhao W, Song Y, Cifuentes MP, Humphrey MG, Zhang C. Cooperative enhancement of optical nonlinearities in a porphyrin derivative bearing a pyrimidine chromophore at the periphery. Org Biomol Chem 2013; 11:4250-7. [DOI: 10.1039/c3ob40323h] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
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