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Panagiotakis S, Mavroidi B, Athanasopoulos A, Charalambidis G, Coutsolelos AG, Pelecanou M, Yannakopoulou K. Amphiphilic Chlorin-β-cyclodextrin Conjugates in Photo-Triggered Drug Delivery: The Role of Aggregation. Chempluschem 2024; 89:e202300743. [PMID: 38345604 DOI: 10.1002/cplu.202300743] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2023] [Revised: 02/02/2024] [Accepted: 02/12/2024] [Indexed: 03/02/2024]
Abstract
Conjugates of chlorins with β-cyclodextrin connected either directly or via a flexible linker were prepared. In aqueous medium these amphiphilic conjugates were photostable, produced singlet oxygen at a rate similar to clinically used temoporfin and formed irregular nanoparticles via aggregation. Successful loading with the chemotherapeutic drug tamoxifen was evidenced in solution by the UV-Vis spectral changes and dynamic light scattering profiles. Incubation of MCF-7 cells with the conjugates revealed intense spotted intracellular fluorescence suggestive of accumulation in endosome/lysosome compartments, and no dark toxicity. Incubation with the tamoxifen-loaded conjugates revealed also practically no dark toxicity. Irradiation of cells incubated with empty conjugates at 640 nm and 4.18 J/cm2 light fluence caused >50 % cell viability reduction. Irradiation following incubation with tamoxifen-loaded conjugates resulted in even higher toxicity (74 %) indicating that the produced reactive oxygen species had triggered tamoxifen release in a photochemical internalization (PCI) mechanism. The chlorin-β-cyclodextrin conjugates displayed less-lasting effects with time, compared to the corresponding porphyrin-β-cyclodextrin conjugates, possibly due to lower tamoxifen loading of their aggregates and/or their less effective lodging in the cell compartments' membranes. The results suggest that further to favorable photophysical properties, other parameters are important for the in vitro effectiveness of the photodynamic systems.
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Affiliation(s)
- Stylianos Panagiotakis
- Institute of Nanoscience and Nanotechnology, National Center for Scientific Research "Demokritos", Patr. Grigoriou E' & 27 Neapoleos str., 15341, Aghia Paraskevi, Attiki, Greece
| | - Barbara Mavroidi
- Institute of Biosciences & Applications, National Center for Scientific Research "Demokritos", Patr. Grigoriou E' & 27 Neapoleos str., 15341, Aghia Paraskevi, Attiki, Greece
| | - Alexandros Athanasopoulos
- Institute of Biosciences & Applications, National Center for Scientific Research "Demokritos", Patr. Grigoriou E' & 27 Neapoleos str., 15341, Aghia Paraskevi, Attiki, Greece
| | - Georgios Charalambidis
- Laboratory of Bioinorganic Chemistry, Department of Chemistry, University of Crete, Voutes Campus, 70013, Heraklion, Crete, Greece
- current address: Theoretical and Physical Chemistry Institute, National Hellenic Research Foundation, 48 Vas. Constantinou Ave., 11635, Athens, Greece
| | - Athanassios G Coutsolelos
- Laboratory of Bioinorganic Chemistry, Department of Chemistry, University of Crete, Voutes Campus, 70013, Heraklion, Crete, Greece
| | - Maria Pelecanou
- Institute of Biosciences & Applications, National Center for Scientific Research "Demokritos", Patr. Grigoriou E' & 27 Neapoleos str., 15341, Aghia Paraskevi, Attiki, Greece
| | - Konstantina Yannakopoulou
- Institute of Nanoscience and Nanotechnology, National Center for Scientific Research "Demokritos", Patr. Grigoriou E' & 27 Neapoleos str., 15341, Aghia Paraskevi, Attiki, Greece
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Shapoval O, Větvička D, Patsula V, Engstová H, Kočková O, Konefał M, Kabešová M, Horák D. Temoporfin-Conjugated Upconversion Nanoparticles for NIR-Induced Photodynamic Therapy: Studies with Pancreatic Adenocarcinoma Cells In Vitro and In Vivo. Pharmaceutics 2023; 15:2694. [PMID: 38140035 PMCID: PMC10748036 DOI: 10.3390/pharmaceutics15122694] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2023] [Revised: 11/21/2023] [Accepted: 11/22/2023] [Indexed: 12/24/2023] Open
Abstract
Upconverting nanoparticles are interesting materials that have the potential for use in many applications ranging from solar energy harvesting to biosensing, light-triggered drug delivery, and photodynamic therapy (PDT). One of the main requirements for the particles is their surface modification, in our case using poly(methyl vinyl ether-alt-maleic acid) (PMVEMA) and temoporfin (THPC) photosensitizer to ensure the colloidal and chemical stability of the particles in aqueous media and the formation of singlet oxygen after NIR irradiation, respectively. Codoping of Fe2+, Yb3+, and Er3+ ions in the NaYF4 host induced upconversion emission of particles in the red region, which is dominant for achieving direct excitation of THPC. Novel monodisperse PMVEMA-coated upconversion NaYF4:Yb3+,Er3+,Fe2+ nanoparticles (UCNPs) with chemically bonded THPC were found to efficiently transfer energy and generate singlet oxygen. The cytotoxicity of the UCNPs was determined in the human pancreatic adenocarcinoma cell lines Capan-2, PANC-01, and PA-TU-8902. In vitro data demonstrated enhanced uptake of UCNP@PMVEMA-THPC particles by rat INS-1E insulinoma cells, followed by significant cell destruction after excitation with a 980 nm laser. Intratumoral administration of these nanoconjugates into a mouse model of human pancreatic adenocarcinoma caused extensive necrosis at the tumor site, followed by tumor suppression after NIR-induced PDT. In vitro and in vivo results thus suggest that this nanoconjugate is a promising candidate for NIR-induced PDT of cancer.
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Affiliation(s)
- Oleksandr Shapoval
- Institute of Macromolecular Chemistry, Czech Academy of Sciences, Heyrovského nám. 2, 160 00 Prague, Czech Republic
| | - David Větvička
- Institute of Biophysics and Informatics, First Faculty of Medicine, Charles University, Salmovská 1, 120 00 Prague, Czech Republic
| | - Vitalii Patsula
- Institute of Macromolecular Chemistry, Czech Academy of Sciences, Heyrovského nám. 2, 160 00 Prague, Czech Republic
| | - Hana Engstová
- Institute of Physiology, Czech Academy of Sciences, 142 20 Prague, Czech Republic
| | - Olga Kočková
- Institute of Macromolecular Chemistry, Czech Academy of Sciences, Heyrovského nám. 2, 160 00 Prague, Czech Republic
| | - Magdalena Konefał
- Institute of Macromolecular Chemistry, Czech Academy of Sciences, Heyrovského nám. 2, 160 00 Prague, Czech Republic
| | - Martina Kabešová
- Institute of Biophysics and Informatics, First Faculty of Medicine, Charles University, Salmovská 1, 120 00 Prague, Czech Republic
| | - Daniel Horák
- Institute of Macromolecular Chemistry, Czech Academy of Sciences, Heyrovského nám. 2, 160 00 Prague, Czech Republic
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Panagiotakis S, Mavroidi B, Athanasopoulos A, Charalambidis G, Coutsolelos AG, Paravatou-Petsotas M, Pelecanou M, Mavridis IM, Yannakopoulou K. Unsymmetrical, monocarboxyalkyl meso-arylporphyrins in the photokilling of breast cancer cells using permethyl-β-cyclodextrin as sequestrant and cell uptake modulator. Carbohydr Polym 2022; 275:118666. [PMID: 34742406 DOI: 10.1016/j.carbpol.2021.118666] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2021] [Revised: 08/31/2021] [Accepted: 09/12/2021] [Indexed: 11/26/2022]
Abstract
In the search for photosensitizers with chemical handles to facilitate their integration into complex drug delivery nanosystems, new, unsymmetrically substituted, water insoluble meso-tetraphenylporphyrin and meso-tetra(m-hydroxyphenyl)porphyrin derivatives bearing one carboxyalkyl side chain were synthesized. Permethyl-β-cyclodextrin (pMβCD) was their ideal monomerizing host and highly efficient shuttle to transfer them into water. New assembly modes of the extremely stable (Kbinding > 1012 M-2) 2:1 complexes were identified. The complexes are photostable and do not disassemble in FBS-containing cell culture media for 24 h. Incubation of breast cancer MCF-7 cells with the complexes results in intense intracellular fluorescence, strongly enhanced in the endoplasmic reticulum (ER), high photokilling efficiency (~90%) and low dark toxicity. pMβCD stands out as a very capable molecular isolator of mono-carboxyalkyl-arylporphyrins that increases uptake and modulates their localization in the cells. The most efficient porphyrins are envisaged as suitable photosensitizers that can be linked to biocompatible drug carriers for photo- and chemo-therapy applications.
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Affiliation(s)
- Stylianos Panagiotakis
- Institute of Nanoscience and Nanotechnology, National Center for Scientific Research "Demokritos", Aghia Paraskevi 15341, Attiki, Greece.
| | - Barbara Mavroidi
- Institute of Biosciences & Applications, National Center for Scientific Research "Demokritos", Aghia Paraskevi 15341, Attiki, Greece.
| | - Alexandros Athanasopoulos
- Institute of Biosciences & Applications, National Center for Scientific Research "Demokritos", Aghia Paraskevi 15341, Attiki, Greece.
| | - Georgios Charalambidis
- Laboratory of Bioinorganic Chemistry, Department of Chemistry, University of Crete, Voutes Campus, 70013 Heraklion, Crete, Greece.
| | - Athanassios G Coutsolelos
- Laboratory of Bioinorganic Chemistry, Department of Chemistry, University of Crete, Voutes Campus, 70013 Heraklion, Crete, Greece.
| | - Maria Paravatou-Petsotas
- Institute of Nuclear & Radiological Sciences & Technology, Energy & Safety, National Center for Scientific Research "Demokritos", Aghia Paraskevi 15341, Attiki, Greece.
| | - Maria Pelecanou
- Institute of Biosciences & Applications, National Center for Scientific Research "Demokritos", Aghia Paraskevi 15341, Attiki, Greece.
| | - Irene M Mavridis
- Institute of Nanoscience and Nanotechnology, National Center for Scientific Research "Demokritos", Aghia Paraskevi 15341, Attiki, Greece.
| | - Konstantina Yannakopoulou
- Institute of Nanoscience and Nanotechnology, National Center for Scientific Research "Demokritos", Aghia Paraskevi 15341, Attiki, Greece.
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4
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Ben Mihoub A, Youssef Z, Colombeau L, Jouan-Hureaux V, Arnoux P, Frochot C, Vanderesse R, Acherar S. Inclusion complex vs. conjugation of hydrophobic photosensitizers with β-cyclodextrin: Improved disaggregation and photodynamic therapy efficacy against glioblastoma cells. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2019; 109:110604. [PMID: 32228929 DOI: 10.1016/j.msec.2019.110604] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/18/2019] [Revised: 12/20/2019] [Accepted: 12/26/2019] [Indexed: 12/25/2022]
Abstract
Self-aggregation of hydrophobic porphyrin-based photosensitizers (PSs) in aqueous biological environment decreases their bioavailability and in vivo therapeutic efficacy, which hampers their clinical use in photodynamic therapy (PDT). In the current study, we explore three new supramolecular systems based of hydrophobic PSs (i.e. 5,10,15,20-tetrakis(3-hydroxyphenyl)porphyrin (mTHPP) or 5-(4-carboxyphenyl)-10,15,20-triphenylporphyrin (P1COOH)) non-covalently or covalently attached to β-CD. The two non-covalent solid inclusion complexes (β-CD)2/mTHPP and [(β-CD)/P1COOH]4 are prepared by a new co-precipitation@lyophilization combined method and the covalent conjugate β-CD-P1 by click chemistry. The binding type effect and effectiveness on the disaggregation in aqueous medium and in vitro PDT efficacy against glioblastoma cancer cells of PSs are investigated for the three β-CD/PS systems. The findings reveal a remarkable improvement of the disaggregation and in vitro PDT activity of these β-CD/PS systems compared to the free PSs, except for [(β-CD)/P1COOH]4 inclusion complex caused by J-type self-aggregation of the inclusion complex in tetrameric form. β-CD-P1 conjugate shows the higher in vitro PDT efficacy compared to the other β-CD/PS systems. Overall, the results indicate that the disaggregation in aqueous medium and in vitro PDT activity of hydrophobic PSs can be improved by their binding to β-CD and the covalent binding is the best approach.
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Affiliation(s)
- Amina Ben Mihoub
- Université de Lorraine, CNRS, LCPM, F-54000 Nancy, France; Laboratory of Physical Chemistry of Materials (LPCM), Faculty of Sciences, (UATL) BP 37G, Laghouat 03000, Algeria.
| | - Zahraa Youssef
- Université de Lorraine, CNRS, LRGP, F-54000 Nancy, France.
| | | | | | | | - Céline Frochot
- Université de Lorraine, CNRS, LRGP, F-54000 Nancy, France.
| | | | - Samir Acherar
- Université de Lorraine, CNRS, LCPM, F-54000 Nancy, France.
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Mavridis IM, Yannakopoulou K. Porphyrinoid-Cyclodextrin Assemblies in Biomedical Research: An Update. J Med Chem 2019; 63:3391-3424. [PMID: 31808344 DOI: 10.1021/acs.jmedchem.9b01069] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Porphyrinoids, well-known cofactors in fundamental processes of life, have stimulated interest as synthetic models of natural systems and integral components of photodynamic therapy, but their utilization is compromised by self-aggregation in aqueous media. The capacity of cyclodextrins to include hydrophobic molecules in their cavity provides porphyrinoids with a protective environment against oxidation and the ability to disperse efficiently in biological fluids. Moreover, engineered cyclodextrin-porphyrinoid assemblies enhance the photodynamic abilities of porphyrinoids, can carry chemotherapeutics for synergistic modalities, and can be enriched with functions including cell recognition, tissue penetration, and imaging. This Perspective includes synthetic porphyrinoid-cyclodextrin models of proteins participating in fundamental processes, such as enzymatic catalysis, respiration, and electron transfer. In addition, since porphyrinoid-cyclodextrin systems comprise third generation photosensitizers, recent developments for their utilization in photomedicine, that is, multimodal therapy for cancer (e.g., PDT, PTT) and antimicrobial treatment, and eventually in biocompatible therapeutic or diagnostic platforms for next-generation nanomedicine and theranostics are discussed.
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Affiliation(s)
- Irene M Mavridis
- Institute of Nanoscience and Nanotechnology, National Center for Scientific Research "Demokritos", Patriarchou Gregoriou & 27 Neapoleos Str., Agia Paraskevi, Attiki 15341, Greece
| | - Konstantina Yannakopoulou
- Institute of Nanoscience and Nanotechnology, National Center for Scientific Research "Demokritos", Patriarchou Gregoriou & 27 Neapoleos Str., Agia Paraskevi, Attiki 15341, Greece
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Ben Mihoub A, Larue L, Moussaron A, Youssef Z, Colombeau L, Baros F, Frochot C, Vanderesse R, Acherar S. Use of Cyclodextrins in Anticancer Photodynamic Therapy Treatment. Molecules 2018; 23:E1936. [PMID: 30072672 PMCID: PMC6222782 DOI: 10.3390/molecules23081936] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2018] [Revised: 07/19/2018] [Accepted: 07/28/2018] [Indexed: 12/22/2022] Open
Abstract
Photodynamic therapy (PDT) is mainly used to destroy cancerous cells; it combines the action of three components: a photoactivatable molecule or photosensitizer (PS), the light of an appropriate wavelength, and naturally occurring molecular oxygen. After light excitation of the PS, the excited PS then reacts with molecular oxygen to produce reactive oxygen species (ROS), leading to cellular damage. One of the drawbacks of PSs is their lack of solubility in water and body tissue fluids, thereby causing low bioavailability, drug-delivery efficiency, therapeutic efficacy, and ROS production. To improve the water-solubility and/or drug delivery of PSs, using cyclodextrins (CDs) is an interesting strategy. This review describes the in vitro or/and in vivo use of natural and derived CDs to improve antitumoral PDT efficiency in aqueous media. To achieve these goals, three types of binding modes of PSs with CDs are developed: non-covalent CD⁻PS inclusion complexes, covalent CD⁻PS conjugates, and CD⁻PS nanoassemblies. This review is divided into three parts: (1) non-covalent CD-PS inclusion complexes, covalent CD⁻PS conjugates, and CD⁻PS nanoassemblies, (2) incorporating CD⁻PS systems into hybrid nanoparticles (NPs) using up-converting or other types of NPs, and (3) CDs with fullerenes as PSs.
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Affiliation(s)
- Amina Ben Mihoub
- Laboratoire de Chimie Phusique Macromoléculaire, Université de Lorraine, CNRS, LCPM, F-54000 Nancy, France.
| | - Ludivine Larue
- Laboratoire de Chimie Phusique Macromoléculaire, Université de Lorraine, CNRS, LCPM, F-54000 Nancy, France.
- Laboratoire Réactions et Génie des Procédés, Université de Lorraine, CNRS, LRGP, F-54000 Nancy, France.
| | - Albert Moussaron
- Laboratoire de Chimie Phusique Macromoléculaire, Université de Lorraine, CNRS, LCPM, F-54000 Nancy, France.
| | - Zahraa Youssef
- Laboratoire Réactions et Génie des Procédés, Université de Lorraine, CNRS, LRGP, F-54000 Nancy, France.
| | - Ludovic Colombeau
- Laboratoire de Chimie Phusique Macromoléculaire, Université de Lorraine, CNRS, LCPM, F-54000 Nancy, France.
- Laboratoire Réactions et Génie des Procédés, Université de Lorraine, CNRS, LRGP, F-54000 Nancy, France.
| | - Francis Baros
- Laboratoire Réactions et Génie des Procédés, Université de Lorraine, CNRS, LRGP, F-54000 Nancy, France.
| | - Céline Frochot
- Laboratoire Réactions et Génie des Procédés, Université de Lorraine, CNRS, LRGP, F-54000 Nancy, France.
| | - Régis Vanderesse
- Laboratoire de Chimie Phusique Macromoléculaire, Université de Lorraine, CNRS, LCPM, F-54000 Nancy, France.
| | - Samir Acherar
- Laboratoire de Chimie Phusique Macromoléculaire, Université de Lorraine, CNRS, LCPM, F-54000 Nancy, France.
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Crini G, Fourmentin S, Fenyvesi É, Torri G, Fourmentin M, Morin-Crini N. Fundamentals and Applications of Cyclodextrins. ENVIRONMENTAL CHEMISTRY FOR A SUSTAINABLE WORLD 2018. [DOI: 10.1007/978-3-319-76159-6_1] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
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8
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Stevens AL, Joshi NK, Paige MF, Steer RP. Photophysics of Zinc Porphyrin Aggregates in Dilute Water–Ethanol Solutions. J Phys Chem B 2017; 121:11180-11188. [DOI: 10.1021/acs.jpcb.7b09868] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Amy L. Stevens
- Department of Chemistry University of Saskatchewan Saskatoon, Saskatchewan, Canada S7N 5C9
| | - Neeraj K. Joshi
- Department of Chemistry University of Saskatchewan Saskatoon, Saskatchewan, Canada S7N 5C9
| | - Matthew F. Paige
- Department of Chemistry University of Saskatchewan Saskatoon, Saskatchewan, Canada S7N 5C9
| | - Ronald P. Steer
- Department of Chemistry University of Saskatchewan Saskatoon, Saskatchewan, Canada S7N 5C9
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9
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Benkovics G, Malanga M, Fenyvesi É. The ‘Visualized’ macrocycles: Chemistry and application of fluorophore tagged cyclodextrins. Int J Pharm 2017; 531:689-700. [DOI: 10.1016/j.ijpharm.2017.04.035] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2017] [Revised: 04/06/2017] [Accepted: 04/16/2017] [Indexed: 12/22/2022]
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Benkovics G, Afonso D, Darcsi A, Béni S, Conoci S, Fenyvesi É, Szente L, Malanga M, Sortino S. Novel β-cyclodextrin-eosin conjugates. Beilstein J Org Chem 2017; 13:543-551. [PMID: 28405233 PMCID: PMC5372748 DOI: 10.3762/bjoc.13.52] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2016] [Accepted: 02/23/2017] [Indexed: 01/08/2023] Open
Abstract
Eosin B (EoB) and eosin Y (EoY), two xanthene dye derivatives with photosensitizing ability were prepared in high purity through an improved synthetic route. The dyes were grafted to a 6-monoamino-β-cyclodextrin scaffold under mild reaction conditions through a stable amide linkage using the coupling agent 4-(4,6-dimethoxy-1,3,5-triazin-2-yl)-4-methylmorpholinium chloride. The molecular conjugates, well soluble in aqueous medium, were extensively characterized by 1D and 2D NMR spectroscopy and mass spectrometry. Preliminary spectroscopic investigations showed that the β-cyclodextrin–EoY conjugate retains both the fluorescence properties and the capability to photogenerate singlet oxygen of the unbound chromophore. In contrast, the corresponding β-cyclodextrin–EoB conjugate did not show either relevant emission or photosensitizing activity probably due to aggregation in aqueous medium, which precludes any response to light excitation.
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Affiliation(s)
- Gábor Benkovics
- CycloLab, Cyclodextrin R&D Ltd, Budapest, H-1097 Illatos út 7, Hungary; Department of Organic Chemistry, Faculty of Science, Charles University in Prague, Hlavová 8, 128 43, Prague 2, Czech Republic
| | - Damien Afonso
- Laboratory of Photochemistry, Department of Drug Sciences, University of Catania, I-95125 Viale A. Doria 6, Italy
| | - András Darcsi
- Department of Pharmacognosy, Semmelweis University, H-1085 Üllői út 26, Hungary
| | - Szabolcs Béni
- Department of Pharmacognosy, Semmelweis University, H-1085 Üllői út 26, Hungary
| | - Sabrina Conoci
- STMicroelectronics, Stradale Primosole 50, I-95121, Catania, Italy
| | - Éva Fenyvesi
- CycloLab, Cyclodextrin R&D Ltd, Budapest, H-1097 Illatos út 7, Hungary
| | - Lajos Szente
- CycloLab, Cyclodextrin R&D Ltd, Budapest, H-1097 Illatos út 7, Hungary
| | - Milo Malanga
- CycloLab, Cyclodextrin R&D Ltd, Budapest, H-1097 Illatos út 7, Hungary
| | - Salvatore Sortino
- Laboratory of Photochemistry, Department of Drug Sciences, University of Catania, I-95125 Viale A. Doria 6, Italy
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Lappe S, Mulac D, Langer K. Polymeric nanoparticles – Influence of the glass transition temperature on drug release. Int J Pharm 2017; 517:338-347. [DOI: 10.1016/j.ijpharm.2016.12.025] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2016] [Revised: 12/08/2016] [Accepted: 12/10/2016] [Indexed: 12/31/2022]
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12
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Kryjewski M, Goslinski T, Mielcarek J. Functionality stored in the structures of cyclodextrin–porphyrinoid systems. Coord Chem Rev 2015. [DOI: 10.1016/j.ccr.2015.04.009] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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Méndez-Ardoy A, Bassani DM. Supramolecular photochemistry: recent progress and key challenges. Faraday Discuss 2015; 185:549-58. [DOI: 10.1039/c5fd00146c] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
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