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Spadin FS, Gergely LP, Kämpfer T, Frenz M, Vermathen M. Fluorescence lifetime imaging and phasor analysis of intracellular porphyrinic photosensitizers applied with different polymeric formulations. JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY. B, BIOLOGY 2024; 254:112904. [PMID: 38579534 DOI: 10.1016/j.jphotobiol.2024.112904] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/09/2023] [Revised: 03/06/2024] [Accepted: 04/01/2024] [Indexed: 04/07/2024]
Abstract
The fluorescence lifetime of a porphyrinic photosensitizer (PS) is an important parameter to assess the aggregation state of the PS even in complex biological environments. Aggregation-induced quenching of the PS can significantly reduce the yield of singlet oxygen generation and thus its efficiency as a medical drug in photodynamic therapy (PDT) of diseased tissues. Hydrophobicity and the tendency to form aggregates pose challenges on the development of efficient PSs and often require carrier systems. A systematic study was performed to probe the impact of PS structure and encapsulation into polymeric carriers on the fluorescence lifetime in solution and in the intracellular environment. Five different porphyrinic PSs including chlorin e6 (Ce6) derivatives and tetrakis(m-hydroxyphenyl)-porphyrin and -chlorin were studied in free form and combined with polyvinylpyrrolidone (PVP) or micelles composed of triblock-copolymers or Cremophor. Following incubation of HeLa cells with these systems, fluorescence lifetime imaging combined with phasor analysis and image segmentation was applied to study the lifetime distribution in the intracellular surrounding. The data suggest that for free PSs, the structure-dependent cell uptake pathways determine their state and emission lifetimes. PS localization in the plasma membrane yielded mostly monomers with long fluorescence lifetimes whereas the endocytic pathway with subsequent lysosomal deposition adds a short-lived component for hydrophilic anionic PSs. Prolonged incubation times led to increasing contributions from short-lived components that derive from aggregates mainly localized in the cytoplasm. Encapsulation of PSs into polymeric carriers led to monomerization and mostly fluorescence emission decays with long fluorescence lifetimes in solution. However, the efficiency depended on the binding strength that was most pronounced for PVP. In the cellular environment, PVP was able to maintain monomeric long-lived species over prolonged incubation times. This was most pronounced for Ce6 derivatives with a logP value around 4.5. Micellar encapsulation led to faster release of the PSs resulting in multiple components with long and short fluorescence lifetimes. The hydrophilic hardly aggregating PS exhibited a mostly stable invariant lifetime distribution over time with both carriers. The presented data are expected to contribute to optimized PDT treatment protocols and improved PS-carrier design for preventing intracellular fluorescence quenching. In conclusion, amphiphilic and concurrent hydrophobic PSs with high membrane affinity as well as strong binding to the carrier have best prospects to maintain their photophysical properties in vivo and serve thus as efficient photodynamic diagnosis and PDT drugs.
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Affiliation(s)
- Florentin S Spadin
- Institute of Applied Physics, University of Bern, Sidlerstrasse 5, 3012 Bern, Switzerland
| | - Lea P Gergely
- Department of Chemistry, Biochemistry and Pharmaceutical Sciences, Freiestrasse 3, 3012 Bern, Switzerland
| | - Tobias Kämpfer
- Department of Chemistry, Biochemistry and Pharmaceutical Sciences, Freiestrasse 3, 3012 Bern, Switzerland
| | - Martin Frenz
- Institute of Applied Physics, University of Bern, Sidlerstrasse 5, 3012 Bern, Switzerland.
| | - Martina Vermathen
- Department of Chemistry, Biochemistry and Pharmaceutical Sciences, Freiestrasse 3, 3012 Bern, Switzerland.
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Fringu I, Anghel D, Fratilescu I, Epuran C, Birdeanu M, Fagadar-Cosma E. Nanomaterials Based on 2,7,12,17-Tetra-tert-butyl-5,10,15,20-tetraaza-21H,23H-porphine Exhibiting Bifunctional Sensitivity for Monitoring Chloramphenicol and Co 2. Biomedicines 2024; 12:770. [PMID: 38672126 PMCID: PMC11047853 DOI: 10.3390/biomedicines12040770] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2024] [Revised: 03/20/2024] [Accepted: 03/24/2024] [Indexed: 04/28/2024] Open
Abstract
Monitoring antibiotic retention in human body fluids after treatment and controlling heavy metal content in water are important requirements for a healthy society. Therefore, the approach proposed in this study is based on developing new optical sensors using porphyrin or its bifunctional hybrid materials made with AuNPs to accomplish the accurate detection of chloramphenicol and cobalt. To produce the new optical chloramphenicol sensors, 2,7,12,17-tetra-tert-butyl-5,10,15,20-tetraaza-21H,23H-porphine (TBAP) was used, both alone in an acid medium and as a hybrid material with AuNPs in a water-DMSO acidified environment. The same hybrid material in the unchanged water-DMSO medium was the sensing material used for Co2+ monitoring. The best results of the hybrid materials were explained by the synergistic effects between the TBAP azaporphyrin and AuNPs. Chloramphenicol was accurately detected in the range of concentrations between 3.58 × 10-6 M and 3.37 × 10-5 M, and the same hybrid material quantified Co2+ in the concentration range of 8.92 × 10-5 M-1.77 × 10-4 M. In addition, we proved that AuNPs can be used for the detection of azaporphyrin (from 2.66 × 10-5 M to 3.29 × 10-4 M), making them a useful tool to monitor porphyrin retention after cancer imaging procedures or in porphyria disease. In conclusion, we harnessed the multifunctionality of this azaporphyrin and of its newly obtained AuNP plasmonic hybrids to detect chloramphenicol and Co2+ quickly, simply, and with high precision.
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Affiliation(s)
- Ionela Fringu
- Institute of Chemistry “Coriolan Dragulescu”, Mihai Viteazu Avenue 24, 300223 Timisoara, Romania; (I.F.); (D.A.); (I.F.); (C.E.)
| | - Diana Anghel
- Institute of Chemistry “Coriolan Dragulescu”, Mihai Viteazu Avenue 24, 300223 Timisoara, Romania; (I.F.); (D.A.); (I.F.); (C.E.)
| | - Ion Fratilescu
- Institute of Chemistry “Coriolan Dragulescu”, Mihai Viteazu Avenue 24, 300223 Timisoara, Romania; (I.F.); (D.A.); (I.F.); (C.E.)
| | - Camelia Epuran
- Institute of Chemistry “Coriolan Dragulescu”, Mihai Viteazu Avenue 24, 300223 Timisoara, Romania; (I.F.); (D.A.); (I.F.); (C.E.)
| | - Mihaela Birdeanu
- National Institute for Research and Development in Electrochemistry and Condensed Matter, P. Andronescu Street, No. 1, 300224 Timisoara, Romania;
| | - Eugenia Fagadar-Cosma
- Institute of Chemistry “Coriolan Dragulescu”, Mihai Viteazu Avenue 24, 300223 Timisoara, Romania; (I.F.); (D.A.); (I.F.); (C.E.)
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Lin J, Ma Z, Zuo W, Zhu M. Enhancing Targeted Photodynamic Therapy: Star-Shaped Glycopolymeric Photosensitizers for Improved Selectivity and Efficacy. Biomacromolecules 2024; 25:1950-1958. [PMID: 38334281 DOI: 10.1021/acs.biomac.3c01378] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/10/2024]
Abstract
Targeted photodynamic therapy (PDT) offers advantages over nontargeted approaches, including improved selectivity, efficacy, and reduced side effects. This study developed star-shaped glycopolymeric photosensitizers using porphyrin-based initiators via ATRP. Incorporating a porphyrin core gave the polymers fluorescence and ROS generation, while adding fructose improved solubility and targeting capabilities. The photosensitizers had high light absorption, singlet oxygen production, specificity, low dark toxicity, and biocompatibility. The glycopolymers with longer sugar arms and higher density showed better uptake on MCF-7 and MDA-MB-468 cells compared to HeLa cells, indicating enhanced targeting capabilities. Inhibition of endocytosis confirmed the importance of the GLUT5 receptor. The resulting polymers exhibited good cytocompatibility under dark conditions and satisfactory PDT under light irradiation. Interestingly, the polymers containing fructose have a GLUT5-dependent elimination effect on the MCF-7 and MDA-MB-468 cells. The intracellular ROS production followed a similar pattern, indicating that the fructose polymer exhibits specific targeting toward cells with GLUT5 receptors.
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Affiliation(s)
- Jiahui Lin
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Materials Science and Engineering, Donghua University, 2999 North Renmin Road, Shanghai 201620, China
| | - Zhiyuan Ma
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Materials Science and Engineering, Donghua University, 2999 North Renmin Road, Shanghai 201620, China
| | - Weiwei Zuo
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Materials Science and Engineering, Donghua University, 2999 North Renmin Road, Shanghai 201620, China
| | - Meifang Zhu
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Materials Science and Engineering, Donghua University, 2999 North Renmin Road, Shanghai 201620, China
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Lopes JMS, Batista AA, Araujo PT, Neto NMB. Supramolecular porphyrin as an improved photocatalyst for chloroform decomposition. RSC Adv 2023; 13:5473-5482. [PMID: 36793300 PMCID: PMC9924222 DOI: 10.1039/d2ra07720e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2022] [Accepted: 02/02/2023] [Indexed: 02/17/2023] Open
Abstract
In this work, the outlying decoration of the free-base meso-(4-tetra) pyridyl porphyrin (H2TPyP) with the RuCl(dppb)(5,5'-Me-bipy) ruthenium complex (here named Supra-H2TPyP) is observed as an improved molecular photocatalyst for dye-mediated chloroform (CHCl3) decomposition via one-photon absorption operating in the visible spectral range (532 nm and 645 nm). Supra-H2TPyP offers a better option for CHCl3 photodecomposition when compared to the same process mediated by pristine H2TPyP, which requires either excited-state- or UV absorption. The chloroform photodecomposition rates for Supra-H2TPyP as well as its excitation mechanisms are explored as a function of distinct laser irradiation conditions.
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Affiliation(s)
- J. M. S. Lopes
- Department of Physics, Federal University of RoraimaBoa VistaRRBrazil,Institute of Natural Sciences, Graduate Program in Physics, Federal University of ParáBelémPABrazil
| | - A. A. Batista
- Department of Chemistry, Federal University of São CarlosSão CarlosSPBrazil
| | - P. T. Araujo
- Department of Physics and Astronomy, University of AlabamaTuscaloosaAlabamaUSA
| | - N. M. Barbosa Neto
- Institute of Natural Sciences, Graduate Program in Physics, Federal University of ParáBelémPABrazil
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Ma Z, An R, Chen M, Wang X, Zhu M. Random versus Block Glycopolymers Bearing Betulin and Porphyrin for Enhanced Photodynamic Therapy. Biomacromolecules 2022; 23:5074-5083. [PMID: 36350056 DOI: 10.1021/acs.biomac.2c00922] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
Porphyrins and their derivatives, representing the second-generation photosensitizers, can generate reactive oxygen species (ROS) and kill tumors upon light irradiation. To compensate for the fluorescence quenching and reduced ROS production caused by aggregation and rigid inherent hydrophobicity of porphyrins, a series of comparable random and block glycopolymers bearing betulin and porphyrin were prepared via RAFT polymerization. Betulin was introduced into the copolymers to decrease aggregation-induced quenching of porphyrins and to improve the photodynamic therapy (PDT) efficiency of copolymers. The characteristics, self-assembly, and photophysical chemistry properties of these copolymers were systemically studied. The effect of polymer structure on photophysical chemistry properties and cellular interaction was investigated as well to demonstrate their potential targeting for PDT applications.
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Affiliation(s)
- Zhiyuan Ma
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Materials Science and Engineering, Donghua University, 2999 North Renmin Road, Shanghai201620, China
| | - Ran An
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Materials Science and Engineering, Donghua University, 2999 North Renmin Road, Shanghai201620, China
| | - Man Chen
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Materials Science and Engineering, Donghua University, 2999 North Renmin Road, Shanghai201620, China
| | - Xiao Wang
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Materials Science and Engineering, Donghua University, 2999 North Renmin Road, Shanghai201620, China
| | - Meifang Zhu
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Materials Science and Engineering, Donghua University, 2999 North Renmin Road, Shanghai201620, China
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Gradova M, Gradov O, Bychkova A, Motyakin M, Ionova I, Lobanov A. Interaction between meso-tetra-(4-hydroxyphenyl)porphyrin and SDS in aqueous solutions: Premicellar porphyrin-surfactant J-aggregate formation. Chem Phys 2022. [DOI: 10.1016/j.chemphys.2022.111655] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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7
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Kim Y, Park H, Kim Y, Lee C, Park H, Lee JH. Control of the Biodegradability of Piezoelectric Peptide Nanotubes Integrated with Hydrophobic Porphyrin. ACS APPLIED MATERIALS & INTERFACES 2022; 14:38778-38785. [PMID: 35983899 DOI: 10.1021/acsami.2c09751] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Diphenylalanine (FF) is a piezoelectric material that is widely known for its high piezoelectric constant, self-assembly characteristics, and ease of manufacture. Because of its biocompatible nature, it is useful for implantable applications. However, its use in real applications is challenging because it degrades too easily in the body due to its solubility in water (0.76 g/mL). Upon incorporation of hydrophobic and biocompatible porphyrins into the FF, the degradability of the piezoelectric FF and their piezoelectric nanogenerators (PENGs) is controlled. Porphyrin-incorporated FFs are also formed as piezoelectric nanostructures well aligned on the substrate through self-assembly, and their piezoelectric properties are comparable to those of FF. The FF-based PENG degrades in only 5 min, whereas the FF-porphyrin-based PENG produces a stable output for >15 min in phosphate-buffered saline. This strategy for realizing biodegradable functional materials and devices with tunable degradation rates in the body can be applied to many implantable electronics.
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Affiliation(s)
- Yerin Kim
- Department of Energy Science and Engineering, Daegu Gyeongbuk Institute of Science and Technology (DGIST), Daegu 42988, Republic of Korea
| | - Hyojin Park
- Department of Energy Science and Engineering, Daegu Gyeongbuk Institute of Science and Technology (DGIST), Daegu 42988, Republic of Korea
| | - Yuseok Kim
- Department of Energy Science and Engineering, Daegu Gyeongbuk Institute of Science and Technology (DGIST), Daegu 42988, Republic of Korea
| | - Cheoljae Lee
- Department of Energy Science and Engineering, Daegu Gyeongbuk Institute of Science and Technology (DGIST), Daegu 42988, Republic of Korea
| | - Hyosik Park
- Department of Energy Science and Engineering, Daegu Gyeongbuk Institute of Science and Technology (DGIST), Daegu 42988, Republic of Korea
| | - Ju-Hyuck Lee
- Department of Energy Science and Engineering, Daegu Gyeongbuk Institute of Science and Technology (DGIST), Daegu 42988, Republic of Korea
- Energy Science and Engineering Research Center, Daegu Gyeongbuk Institute of Science and Technology (DGIST), Daegu 42988, Republic of Korea
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8
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Lopes J, Machado A, Batista A, Araujo P, Barbosa Neto N. Protonation, exciplex, and evidence of aggregate formation in meso-tetra(4-pyridyl) porphyrin triggered by excited-state absorption. J Photochem Photobiol A Chem 2022. [DOI: 10.1016/j.jphotochem.2021.113759] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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9
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Metallic Effects on p-Hydroxyphenyl Porphyrin Thin-Film-Based Planar Optical Waveguide Gas Sensor: Experimental and Computational Studies. NANOMATERIALS 2022; 12:nano12060944. [PMID: 35335756 PMCID: PMC8950903 DOI: 10.3390/nano12060944] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/23/2021] [Revised: 03/02/2022] [Accepted: 03/10/2022] [Indexed: 02/04/2023]
Abstract
Metal effects on the gas sensing behavior of metal complexes of 5,10,15,20-tetrakis(4-hydroxyphenyl)porphyrin (THPP) thin film was investigated in terms of detecting NO2 gas by the planar optical waveguide. For this purpose, several THPP and metal complexes were synthesized with different central metal ions: Co(II), Ni(II), Cu(II), and Zn(II). Planar optical gas sensors were fabricated with the metalloporphyrins deposited on K+ ion-exchanged soda-lime glass substrate with the spin coating method serving as host matrices for gas interaction. All of the THPP complex’s films were fully characterized by UV-Vis, IR and XPS spectroscopy, and the laser light source wavelength was selected at 520 and 670 nm. The results of the planar optical waveguide sensor show that the Zn–THPP complex exhibits the strongest response with the lowest detectable gas concentration of NO2 gas for both 520 nm and 670 nm. The Ni–THPP and Co–THPP complexes display good efficiency in the detection of NO2, while, on the other hand, Cu–THPP shows a very low interaction with NO2 gas, with only 50 ppm and 200 ppm detectable gas concentration for 520 nm and 670 nm, respectively. In addition, molecular dynamic simulations and quantum mechanical calculations were performed, proving to be coherent with the experimental results.
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Aouaini F, Ben Yahia M, I Alrebdi H, A Alothman M. Interpretation of the adsorption of metals on quartz crystal based-macromolecule via advanced modeling of equilibrium isotherms. Sci Rep 2021; 11:20031. [PMID: 34625608 PMCID: PMC8501105 DOI: 10.1038/s41598-021-99465-9] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2021] [Accepted: 09/15/2021] [Indexed: 11/16/2022] Open
Abstract
In this article, new insights about the metals-porphyrin complexes are proved by analyzing the zinc, nickel and chromium adsorption process over the well-known porphyrin macromolecule. The use of the quartz crystal microbalance (QCM) apparatus allows the control of the complexation systems' experimental adsorption data operating at four temperatures. The experimental results and the physical models reveal that the zinc and nickel complexation processes are to be examined using the mono layer adsorption model. While, the double layer model describes the interaction between the chromium compound and the porphyrin. Actually, the three metals are shown to be adsorbed by a multi-docking process in the physicochemical description. The endothermic character of the investigated processes is shown through the appropriate data of the principal parameter adsorbent sites' density. Hence, several porphyrin sites are exclusively stimulated at high temperature. The parameters of van del Waals, depicting the influences of the lateral interactions, explain the nickel isotherms down trend. The chemical bonds are shown to be carried out between the zinc and the porphyrin through the calculated adsorption energies. Considering the thermodynamic study, and referring to the configurational entropy and the free enthalpy, it is to be noted that the disorder peak of the three mechanisms is reached when the equilibrium concentration is equal to the energetic parameters' values for each system. The nickel enthalpy revealed for high concentration that the adsorbates' lateral interactions disapproved the nickel chloride adsorption. The free enthalpy trends, that observed two stability states of the chromium compound, confirmed the chromium double layer mechanism.
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Affiliation(s)
- Fatma Aouaini
- Department of Physics, College of Science, Princess Nourah Bint Abdulrahman University, Riyadh, Saudi Arabia
| | - Mohamed Ben Yahia
- Laboratory of Quantum and Statistical Physics LR18ES18, Faculty of Sciences of Monastir, 5000, Monastir, Tunisia.
| | - Haifa I Alrebdi
- Department of Physics, College of Science, Princess Nourah Bint Abdulrahman University, Riyadh, Saudi Arabia
| | - Miysoon A Alothman
- Department of Physics, College of Science, Princess Nourah Bint Abdulrahman University, Riyadh, Saudi Arabia.
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Yang T, Chettri A, Radwan B, Matuszyk E, Baranska M, Dietzek B. Monitoring excited-state relaxation in a molecular marker in live cells-a case study on astaxanthin. Chem Commun (Camb) 2021; 57:6392-6395. [PMID: 34085079 DOI: 10.1039/d1cc01907d] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
Small molecules are frequently used as dyes, labels and markers to visualize and probe biophysical processes within cells. However, very little is generally known about the light-driven excited-state reactivity of such systems when placed in cells. Here an experimental approach to study ps time-resolved excited state dynamics of a benchmark molecular marker, astaxanthin, in live human cells is introduced.
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Affiliation(s)
- Tingxiang Yang
- Leibniz Institute of Photonic Technology (Leibniz-IPHT), Albert-Einstein-Strabe 9, Jena 07745, Germany. and Institute of Physical Chemistry and Abbe Center of Photonics, Friedrich Schiller University Jena, Helmholtzweg 4, Jena 07743, Germany
| | - Avinash Chettri
- Leibniz Institute of Photonic Technology (Leibniz-IPHT), Albert-Einstein-Strabe 9, Jena 07745, Germany. and Institute of Physical Chemistry and Abbe Center of Photonics, Friedrich Schiller University Jena, Helmholtzweg 4, Jena 07743, Germany
| | - Basseem Radwan
- Jagiellonian Centre for Experimental Therapeutics (JCET), Jagiellonian University, 14 Bobrzynskiego Str., Krakow 30-348, Poland and Faculty of Chemistry, Jagiellonian University, 2 Gronostajowa Str., Krakow 30-387, Poland
| | - Ewelina Matuszyk
- Jagiellonian Centre for Experimental Therapeutics (JCET), Jagiellonian University, 14 Bobrzynskiego Str., Krakow 30-348, Poland
| | - Malgorzata Baranska
- Jagiellonian Centre for Experimental Therapeutics (JCET), Jagiellonian University, 14 Bobrzynskiego Str., Krakow 30-348, Poland and Faculty of Chemistry, Jagiellonian University, 2 Gronostajowa Str., Krakow 30-387, Poland
| | - Benjamin Dietzek
- Leibniz Institute of Photonic Technology (Leibniz-IPHT), Albert-Einstein-Strabe 9, Jena 07745, Germany. and Institute of Physical Chemistry and Abbe Center of Photonics, Friedrich Schiller University Jena, Helmholtzweg 4, Jena 07743, Germany
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A Transcriptomic Approach to the Metabolism of Tetrapyrrolic Photosensitizers in a Marine Annelid. Molecules 2021; 26:molecules26133924. [PMID: 34198975 PMCID: PMC8271901 DOI: 10.3390/molecules26133924] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2021] [Revised: 06/13/2021] [Accepted: 06/23/2021] [Indexed: 11/17/2022] Open
Abstract
The past decade has seen growing interest in marine natural pigments for biotechnological applications. One of the most abundant classes of biological pigments is the tetrapyrroles, which are prized targets due their photodynamic properties; porphyrins are the best known examples of this group. Many animal porphyrinoids and other tetrapyrroles are produced through heme metabolic pathways, the best known of which are the bile pigments biliverdin and bilirubin. Eulalia is a marine Polychaeta characterized by its bright green coloration resulting from a remarkably wide range of greenish and yellowish tetrapyrroles, some of which have promising photodynamic properties. The present study combined metabolomics based on HPLC-DAD with RNA-seq transcriptomics to investigate the molecular pathways of porphyrinoid metabolism by comparing the worm’s proboscis and epidermis, which display distinct pigmentation patterns. The results showed that pigments are endogenous and seemingly heme-derived. The worm possesses homologs in both organs for genes encoding enzymes involved in heme metabolism such as ALAD, FECH, UROS, and PPOX. However, the findings also indicate that variants of the canonical enzymes of the heme biosynthesis pathway can be species- and organ-specific. These differences between molecular networks contribute to explain not only the differential pigmentation patterns between organs, but also the worm’s variety of novel endogenous tetrapyrrolic compounds.
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Kari N, Zannotti M, Giovannetti R, Maimaiti P, Nizamidin P, Abliz S, Yimit A. Sensing Behavior of Metal-Free Porphyrin and Zinc Phthalocyanine Thin Film towards Xylene-Styrene and HCl Vapors in Planar Optical Waveguide. NANOMATERIALS (BASEL, SWITZERLAND) 2021; 11:1634. [PMID: 34206623 PMCID: PMC8307581 DOI: 10.3390/nano11071634] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/20/2021] [Revised: 06/04/2021] [Accepted: 06/18/2021] [Indexed: 11/23/2022]
Abstract
The sensing behavior of a thin film composed of metal-free 5, 10, 15, 20-tetrakis (p-hydroxy phenyl) porphyrin and zinc phthalocyanine complex towards m-xylene, styrene, and HCl vapors in a homemade planar optical waveguide (POWG), was studied at room temperature. The thin film was deposited on the surface of potassium ion-exchanged glass substrate, using vacuum spin-coating method, and a semiconductor laser light (532 nm) as the guiding light. Opto-chemical changes of the film exposing with hydrochloric gas, m-xylene, and styrene vapor, were analyzed firstly with UV-Vis spectroscopy. The fabricated POWG shows good correlation between gas exposure response and absorbance change within the gas concentration range 10-1500 ppm. The limit of detection calculated from the logarithmic calibration curve was proved to be 11.47, 21.08, and 14.07 ppm, for HCl gas, m-xylene, and styrene vapors, respectively. It is interesting to find that the film can be recovered to the initial state with trimethylamine vapors after m-xylene, styrene exposures as well as HCl exposure. The gas-film interaction mechanism was discussed considering protonation and π-π stacking with planar aromatic analyte molecules.
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Affiliation(s)
- Nuerguli Kari
- Institute of Applied Chemistry, College of Chemistry, Xinjiang University, Urumqi 830046, China; (N.K.); (P.M.); (P.N.); (S.A.)
| | - Marco Zannotti
- School of Science and Technology, Chemistry Division, University of Camerino, 62032 Camerino, Italy
| | - Rita Giovannetti
- School of Science and Technology, Chemistry Division, University of Camerino, 62032 Camerino, Italy
| | - Patigu Maimaiti
- Institute of Applied Chemistry, College of Chemistry, Xinjiang University, Urumqi 830046, China; (N.K.); (P.M.); (P.N.); (S.A.)
| | - Patima Nizamidin
- Institute of Applied Chemistry, College of Chemistry, Xinjiang University, Urumqi 830046, China; (N.K.); (P.M.); (P.N.); (S.A.)
| | - Shawket Abliz
- Institute of Applied Chemistry, College of Chemistry, Xinjiang University, Urumqi 830046, China; (N.K.); (P.M.); (P.N.); (S.A.)
| | - Abliz Yimit
- Institute of Applied Chemistry, College of Chemistry, Xinjiang University, Urumqi 830046, China; (N.K.); (P.M.); (P.N.); (S.A.)
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Hydroxylporphyrin/NiO nanosheet nanocomposite with strong interfacial interaction for highly efficient hydrogen generation. J SOLID STATE CHEM 2021. [DOI: 10.1016/j.jssc.2021.122103] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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Maldonado-Carmona N, Ouk TS, Villandier N, Calliste CA, Calvete MJF, Pereira MM, Leroy-Lhez S. Photophysical and Antibacterial Properties of Porphyrins Encapsulated inside Acetylated Lignin Nanoparticles. Antibiotics (Basel) 2021; 10:513. [PMID: 33946390 PMCID: PMC8147155 DOI: 10.3390/antibiotics10050513] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2021] [Revised: 04/19/2021] [Accepted: 04/27/2021] [Indexed: 12/24/2022] Open
Abstract
Lignin has recently attracted the attention of the scientific community, as a suitable raw material for biomedical applications. In this work, acetylated lignin was used to encapsulate five different porphyrins, aiming to preserve their photophysical properties, and for further use as antibacterial treatment. The obtained nanoparticles were physically characterized, through dynamic light scattering size measurement, polydispersity index and zeta potential values. Additionally, the photophysical properties of the nanoparticles, namely UV-vis absorption, fluorescence emission, singlet oxygen production and photobleaching, were compared with those of the free porphyrins. It was found that all the porphyrins were susceptible to encapsulation, with an observed decrease in their fluorescence quantum yield and singlet oxygen production. These nanoparticles were able to exert an effective photodynamic bactericide effect (blue-LED light, 450-460 nm, 15 J/cm2) on Staphylococcus aureus and Escherichia coli. Furthermore, it was achieved a photodynamic bactericidal activity on an encapsulated lipophillic porphyrin, where the free porphyrin failed to diminish the bacterial survival. In this work it was demonstrated that acetylated lignin encapsulation works as a universal, cheap and green material for the delivery of porphyrins, while preserving their photophysical properties.
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Affiliation(s)
- Nidia Maldonado-Carmona
- PEIRENE Laboratory, Faculty of Sciences and Techniques, University of Limoges, 87060 Limoges, France; (N.M.-C.); (T.-S.O.); (N.V.)
- Coimbra Chemistry Center, Department of Chemistry, University of Coimbra, 3004-535 Coimbra, Portugal; (M.J.F.C.); (M.M.P.)
| | - Tan-Sothea Ouk
- PEIRENE Laboratory, Faculty of Sciences and Techniques, University of Limoges, 87060 Limoges, France; (N.M.-C.); (T.-S.O.); (N.V.)
| | - Nicolas Villandier
- PEIRENE Laboratory, Faculty of Sciences and Techniques, University of Limoges, 87060 Limoges, France; (N.M.-C.); (T.-S.O.); (N.V.)
| | - Claude Alain Calliste
- PEIRENE Laboratory, Faculty of Pharmacy, University of Limoges, 87025 Limoges, France;
| | - Mário J. F. Calvete
- Coimbra Chemistry Center, Department of Chemistry, University of Coimbra, 3004-535 Coimbra, Portugal; (M.J.F.C.); (M.M.P.)
| | - Mariette M. Pereira
- Coimbra Chemistry Center, Department of Chemistry, University of Coimbra, 3004-535 Coimbra, Portugal; (M.J.F.C.); (M.M.P.)
| | - Stéphanie Leroy-Lhez
- PEIRENE Laboratory, Faculty of Sciences and Techniques, University of Limoges, 87060 Limoges, France; (N.M.-C.); (T.-S.O.); (N.V.)
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16
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Lebedeva NS, Yurina ES, Gubarev YA, Koifman OI. Molecular mechanisms causing albumin aggregation. The main role of the porphyrins of the blood group. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2021; 246:118975. [PMID: 33017788 DOI: 10.1016/j.saa.2020.118975] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/29/2020] [Revised: 07/30/2020] [Accepted: 09/17/2020] [Indexed: 06/11/2023]
Abstract
In this paper was studied the interaction of deutero- and hematoporphyrin with bovine serum albumin, using various methods of physico-chemical analysis. It was established that the localization of porphyrins occurred in the IB subdomain, while hematoporphyrin interacted with the protein in a monomeric form, and deuteroporphyrin - as a J-dimer. Based on spectral studies, the affinity constants of binding albumin with porphyrins were determined, and the affinity of the protein for deuteroporphyrin appeared to be higher than for hematoporphyrin. It was shown that the interaction of albumin with the studied porphyrins led to a change in the secondary structure of the protein, it being accompanied by a decrease in the proportion of disordered protein fragments and an increase in β-folding.
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Affiliation(s)
- Natalia Sh Lebedeva
- G.A. Krestov Institute of Solution Chemistry of the Russian Academy of Sciences, Ivanovo 153045, Russia
| | - Elena S Yurina
- G.A. Krestov Institute of Solution Chemistry of the Russian Academy of Sciences, Ivanovo 153045, Russia
| | - Yury A Gubarev
- G.A. Krestov Institute of Solution Chemistry of the Russian Academy of Sciences, Ivanovo 153045, Russia.
| | - Oskar I Koifman
- G.A. Krestov Institute of Solution Chemistry of the Russian Academy of Sciences, Ivanovo 153045, Russia; Ivanovo State University of Chemistry and Technology, 153000 Ivanovo, Russia
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17
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Kari N, Zannotti M, Mamtmin G, Giovannetti R, Minofar B, Řeha D, Maimaiti P, Kutilike B, Yimit A. Substituent Effect on Porphyrin Film-Gas Interaction by Optical Waveguide: Spectrum Analysis and Molecular Dynamic Simulation. MATERIALS (BASEL, SWITZERLAND) 2020; 13:E5613. [PMID: 33317086 PMCID: PMC7763641 DOI: 10.3390/ma13245613] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/03/2020] [Revised: 11/27/2020] [Accepted: 12/04/2020] [Indexed: 01/18/2023]
Abstract
Substituent effect on optical gas sensing performance in porphyrin-based optical waveguide detection system was studied by molecular dynamics simulation (MDS), absorption/emission spectrum analysis, and optical waveguide (OWG) detection. The affinities of porphyrin with seven types of substituents (-H, -OH, -tBu, -COOH, -NH2, -OCH3, -SO3-) on para position of meso-phenyl porphyrin toward gas molecules in adsorption process were studied in different size of boxes with the same pressure and concentration. Analyte gases (CO2, H2S, HCl, NO2) were exposed to porphyrin film in absorption spectrophotometer, and in OWG with evanescent field excited by a guiding laser light with 670 nm wavelength. The extent of interaction between host molecule and the guest analytes was analyzed by the number of gas molecules in vicinity of 0.3 nm around substituents of porphyrin molecules. Optical waveguide results reveal that sulfonate porphyrin is mostly responsive to hydrochloride, hydrosulfide gas and nitrogen dioxide gases with strong response intensity. Molecular dynamics and spectral analysis provide objective information about the molecular state and sensing properties. Molecular rearrangements induced by gas exposure was studied by spectral analysis and surface morphology before and after gas exposure taking hydrosulfide gas as an example. Film-gas interaction mechanism was discussed in terms of each gas and substituent group characters.
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Affiliation(s)
- Nuerguli Kari
- Institute of Applied Chemistry, College of Chemistry, Xinjiang University, Urumqi 830046, China; (N.K.); (G.M.); (P.M.); (B.K.)
| | - Marco Zannotti
- Chemistry Division, School of Science and Technology, University of Camerino, 62032 Camerino, Italy
| | - Gulgina Mamtmin
- Institute of Applied Chemistry, College of Chemistry, Xinjiang University, Urumqi 830046, China; (N.K.); (G.M.); (P.M.); (B.K.)
- College of Chemistry and Environmental Science, Kashgar University, Kashgar 844006, China
| | - Rita Giovannetti
- Chemistry Division, School of Science and Technology, University of Camerino, 62032 Camerino, Italy
| | - Babak Minofar
- Center for Nanobiology and Structural Biology, Institute of Microbiology, Academy of Sciences of the Czech Republic, Zamek 136, 37333 NovéHrady, South Bohemia, Czech Republic;
| | - David Řeha
- Center for Nanobiology and Structural Biology, Institute of Microbiology, Academy of Sciences of the Czech Republic, Zamek 136, 37333 NovéHrady, South Bohemia, Czech Republic;
| | - Patigu Maimaiti
- Institute of Applied Chemistry, College of Chemistry, Xinjiang University, Urumqi 830046, China; (N.K.); (G.M.); (P.M.); (B.K.)
| | - Buayishamu Kutilike
- Institute of Applied Chemistry, College of Chemistry, Xinjiang University, Urumqi 830046, China; (N.K.); (G.M.); (P.M.); (B.K.)
| | - Abliz Yimit
- Institute of Applied Chemistry, College of Chemistry, Xinjiang University, Urumqi 830046, China; (N.K.); (G.M.); (P.M.); (B.K.)
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18
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Maldonado-Carmona N, Marchand G, Villandier N, Ouk TS, Pereira MM, Calvete MJF, Calliste CA, Żak A, Piksa M, Pawlik KJ, Matczyszyn K, Leroy-Lhez S. Porphyrin-Loaded Lignin Nanoparticles Against Bacteria: A Photodynamic Antimicrobial Chemotherapy Application. Front Microbiol 2020; 11:606185. [PMID: 33281805 PMCID: PMC7705181 DOI: 10.3389/fmicb.2020.606185] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2020] [Accepted: 10/20/2020] [Indexed: 01/29/2023] Open
Abstract
The need for alternative strategies to fight bacteria is evident from the emergence of antimicrobial resistance. To that respect, photodynamic antimicrobial chemotherapy steadily rises in bacterial eradication by using light, a photosensitizer and oxygen, which generates reactive oxygen species that may kill bacteria. Herein, we report the encapsulation of 5,10,15,20-tetrakis(4-hydroxyphenyl)-21H,23H-porphyrin into acetylated lignin water-dispersible nanoparticles (THPP@AcLi), with characterization of those systems by standard spectroscopic and microscopic techniques. We observed that THPP@AcLi retained porphyrin's photophysical/photochemical properties, including singlet oxygen generation and fluorescence. Besides, the nanoparticles demonstrated enhanced stability on storage and light bleaching. THPP@AcLi were evaluated as photosensitizers against two Gram-negative bacteria, Escherichia coli and Pseudomonas aeruginosa, and against three Gram-positive bacteria, Staphylococcus aureus, Staphylococcus epidermidis, and Enterococcus faecalis. THPP@AcLi were able to diminish Gram-positive bacterial survival to 0.1% when exposed to low white LED light doses (4.16 J/cm2), requiring concentrations below 5 μM. Nevertheless, the obtained nanoparticles were unable to diminish the survival of Gram-negative bacteria. Through transmission electron microscopy observations, we could demonstrate that nanoparticles did not penetrate inside the bacterial cell, exerting their destructive effect on the bacterial wall; also, a high affinity between acetylated lignin nanoparticles and bacteria was observed, leading to bacterial flocculation. Altogether, these findings allow to establish a photodynamic antimicrobial chemotherapy alternative that can be used effectively against Gram-positive topic infections using the widely available natural polymeric lignin as a drug carrier. Further research, aimed to inhibit the growth and survival of Gram-negative bacteria, is likely to enhance the wideness of acetylated lignin nanoparticle applications.
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Affiliation(s)
- Nidia Maldonado-Carmona
- PEIRENE Laboratory, Faculty of Sciences and Techniques, University of Limoges, Limoges, France
- Laboratory of Catalysis and Fine Chemistry, Department of Chemistry, University of Coimbra, Coimbra, Portugal
| | - Guillaume Marchand
- PEIRENE Laboratory, Faculty of Pharmacy, University of Limoges, Limoges, France
| | - Nicolas Villandier
- PEIRENE Laboratory, Faculty of Sciences and Techniques, University of Limoges, Limoges, France
| | - Tan-Sothea Ouk
- PEIRENE Laboratory, Faculty of Sciences and Techniques, University of Limoges, Limoges, France
| | - Mariette M. Pereira
- Laboratory of Catalysis and Fine Chemistry, Department of Chemistry, University of Coimbra, Coimbra, Portugal
| | - Mário J. F. Calvete
- Laboratory of Catalysis and Fine Chemistry, Department of Chemistry, University of Coimbra, Coimbra, Portugal
| | | | - Andrzej Żak
- Electron Microscopy Laboratory, Wrocław University of Science and Technology, Wrocław, Poland
- Institute of Immunology and Experimental Therapy, Polish Academy of Sciences, Wrocław, Poland
| | - Marta Piksa
- Institute of Immunology and Experimental Therapy, Polish Academy of Sciences, Wrocław, Poland
| | - Krzysztof J. Pawlik
- Institute of Immunology and Experimental Therapy, Polish Academy of Sciences, Wrocław, Poland
| | - Katarzyna Matczyszyn
- Advanced Materials Engineering and Modelling Group, Faculty of Chemistry, Wrocław University of Science and Technology, Wrocław, Poland
| | - Stéphanie Leroy-Lhez
- PEIRENE Laboratory, Faculty of Sciences and Techniques, University of Limoges, Limoges, France
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19
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Kumar VV, Ramadevi D, Ankathi VM, Pradhan TK, Basavaiah K. Development of porphyrin-based chemosensor for highly selective sensing of fluoride ion in aqueous media. Microchem J 2020. [DOI: 10.1016/j.microc.2020.105028] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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20
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Lopes JMS, Costa SN, Batista AA, Dinelli LR, Araujo PT, Neto NMB. Photophysics and visible light photodissociation of supramolecular meso-tetra(4-pyridyl) porphyrin/RuCl 2(CO)(PPh 3) 2 structures. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2020; 237:118351. [PMID: 32361521 DOI: 10.1016/j.saa.2020.118351] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/06/2019] [Revised: 03/14/2020] [Accepted: 04/06/2020] [Indexed: 06/11/2023]
Abstract
In the last decades, supramolecular structures have been explored in many technological efforts. One example of such supramolecules is attained when ruthenium complexes are attached in the outer sites of a porphyrin. Ruthenium complexes act as modulators of the photophysical processes of macrocyclic molecules. Besides the investigation of the main changes introduced by the ruthenium complexes in the electronic and vibronic properties, and in the excited state deactivation processes of porphyrins, discussions concerning the photostability of these supramolecules are much needed. Here, we investigate the supramolecular free-base meso-tetra(4-pyridyl) porphyrin decorated with "RuCl2(CO)(PPh3)2" ruthenium species linked at each of its (4-pyridyl) moieties. The modifications in the photophysical processes introduced by the metallic outlying species are discussed and our results suggest an energy transfer process from the porphyrin B-band to the ruthenium complex MLCT-band. The demonstration of visible light photodissociation of the supramolecule, via both pulsed and continuous laser, is also addressed.
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Affiliation(s)
- J M S Lopes
- Institute of Natural Sciences, Graduate Program in Physics, Federal University of Pará, Belém, PA, Brazil.
| | - S N Costa
- Institute of Natural Sciences, Graduate Program in Physics, Federal University of Pará, Belém, PA, Brazil
| | - A A Batista
- Department of Chemistry, Federal University of São Carlos, São Carlos, SP, Brazil
| | - L R Dinelli
- College of Sciences of Pontal, Federal University of Uberlândia, Ituiutaba, MG, Brazil
| | - P T Araujo
- Institute of Natural Sciences, Graduate Program in Physics, Federal University of Pará, Belém, PA, Brazil; Department of Physics and Astronomy, University of Alabama, Tuscaloosa, AL, United States.
| | - N M Barbosa Neto
- Institute of Natural Sciences, Graduate Program in Physics, Federal University of Pará, Belém, PA, Brazil.
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21
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Yang G, Lin C, Feng X, Wang T, Jiang J. Multi-component supramolecular gels induce protonation of a porphyrin exciplex to achieve improved collective optical properties for effective photocatalytic hydrogen generation. Chem Commun (Camb) 2020; 56:527-530. [DOI: 10.1039/c9cc08060k] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
Two-porphyrin supramolecular gels induce exciplex formation, protonation and J-aggregation of porphyrins, which render a smaller bandgap, charge separation and good photocatalytic properties.
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Affiliation(s)
- Gengxiang Yang
- Beijing Key Laboratory for Science and Application of Functional Molecular and Crystalline Materials
- Department of Chemistry
- University of Science and Technology Beijing
- Beijing 100083
- China
| | - Chenxiang Lin
- Beijing Key Laboratory for Science and Application of Functional Molecular and Crystalline Materials
- Department of Chemistry
- University of Science and Technology Beijing
- Beijing 100083
- China
| | - Xuenan Feng
- Beijing Key Laboratory for Science and Application of Functional Molecular and Crystalline Materials
- Department of Chemistry
- University of Science and Technology Beijing
- Beijing 100083
- China
| | - Tianyu Wang
- Beijing Key Laboratory for Science and Application of Functional Molecular and Crystalline Materials
- Department of Chemistry
- University of Science and Technology Beijing
- Beijing 100083
- China
| | - Jianzhuang Jiang
- Beijing Key Laboratory for Science and Application of Functional Molecular and Crystalline Materials
- Department of Chemistry
- University of Science and Technology Beijing
- Beijing 100083
- China
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22
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Magna G, Monti D, Di Natale C, Paolesse R, Stefanelli M. The Assembly of Porphyrin Systems in Well-Defined Nanostructures: An Update. Molecules 2019; 24:E4307. [PMID: 31779097 PMCID: PMC6930562 DOI: 10.3390/molecules24234307] [Citation(s) in RCA: 35] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2019] [Revised: 11/15/2019] [Accepted: 11/21/2019] [Indexed: 12/26/2022] Open
Abstract
The interest in assembling porphyrin derivatives is widespread and is accounted by the impressive impact of these suprastructures of controlled size and shapes in many applications from nanomedicine and sensors to photocatalysis and optoelectronics. The massive use of porphyrin dyes as molecular building blocks of functional materials at different length scales relies on the interdependent pair properties, consisting of their chemical stability/synthetic versatility and their quite unique physicochemical properties. Remarkably, the driven spatial arrangement of these platforms in well-defined suprastructures can synergically amplify the already excellent properties of the individual monomers, improving conjugation and enlarging the intensity of the absorption range of visible light, or forming an internal electric field exploitable in light-harvesting and charge-and energy-transport processes. The countless potentialities offered by these systems means that self-assembly concepts and tools are constantly explored, as confirmed by the significant number of published articles related to porphyrin assemblies in the 2015-2019 period, which is the focus of this review.
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Affiliation(s)
- Gabriele Magna
- Dipartimento di Scienze e Tecnologie Chimiche, Università di Roma Tor Vergata, via della Ricerca Scientifica, 1; 00133 Rome, Italy; (G.M.); (D.M.); (R.P.)
| | - Donato Monti
- Dipartimento di Scienze e Tecnologie Chimiche, Università di Roma Tor Vergata, via della Ricerca Scientifica, 1; 00133 Rome, Italy; (G.M.); (D.M.); (R.P.)
| | - Corrado Di Natale
- Dipartimento di Ingegneria Elettronica, Università di Roma Tor Vergata, via del Politecnico, 1; 00134 Roma, Italy;
| | - Roberto Paolesse
- Dipartimento di Scienze e Tecnologie Chimiche, Università di Roma Tor Vergata, via della Ricerca Scientifica, 1; 00133 Rome, Italy; (G.M.); (D.M.); (R.P.)
| | - Manuela Stefanelli
- Dipartimento di Scienze e Tecnologie Chimiche, Università di Roma Tor Vergata, via della Ricerca Scientifica, 1; 00133 Rome, Italy; (G.M.); (D.M.); (R.P.)
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23
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The complexity of porphyrin-like pigments in a marine annelid sheds new light on haem metabolism in aquatic invertebrates. Sci Rep 2019; 9:12930. [PMID: 31506557 PMCID: PMC6736840 DOI: 10.1038/s41598-019-49433-1] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2019] [Accepted: 08/23/2019] [Indexed: 11/08/2022] Open
Abstract
True green pigments in the animal kingdom are scarce and are almost invariably porphyrinoids. Endogenous porphyrins resulting from the breakdown of haem are usually known as “bile pigments”. The pigmentation of intertidal Polychaeta has long gained attention due to its variety and vivid patterning that often seems incompatible with camouflage, as it occurs with Eulalia viridis, one of the few truly green Polychaeta. The present study combined UV and bright-field microscopy with HPLC to address the presence and distribution of pigments in several organs. The results showed two major types of porphyrin-like pigments, yellowish and greenish in colour, that are chiefly stored as intraplasmatic granules. Whereas the proboscis holds yellow pigments, the skin harbours both types in highly specialised cells. In their turn, oocytes and intestine have mostly green pigments. Despite some inter-individual variation, the pigments tend to be stable after prolonged storage at −20 °C, which has important implications for future studies. The results show that, in a foraging predator of the intertidal where melanins are circumscribed to lining the nervous system, porphyrinoid pigments have a key role in protection against UV light, in sensing and even as chemical defence against foulants and predators, which represents a remarkable adaptive feature.
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24
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Militello MP, Hernández Ramírez RE, Lijanova IV, Previtali CM, Bertolotti SG, Arbeloa EM. PAMAM dendrimers with a porphyrin core as highly selective binders of Li + in an alkaline mixture. A spectroscopic study. NEW J CHEM 2019. [DOI: 10.1039/c9nj04088a] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Abstract
The selectivity of porphyrin-PAMAM dendrimers toward lithium in an alkaline mixture at the submicromolar levels is promising for sensing applications.
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Affiliation(s)
- M. Paula Militello
- Departamento de Química
- Facultad de Ciencias Exactas
- Físico-Químicas y Naturales
- Universidad Nacional de Río Cuarto
- Río Cuarto
| | | | - Irina V. Lijanova
- Instituto Politécnico Nacional
- CIITEC
- Cerrada Cecati S/N
- Colonia Santa Catarina
- Azcapotzalco
| | - Carlos M. Previtali
- Departamento de Química
- Facultad de Ciencias Exactas
- Físico-Químicas y Naturales
- Universidad Nacional de Río Cuarto
- Río Cuarto
| | - Sonia G. Bertolotti
- Departamento de Química
- Facultad de Ciencias Exactas
- Físico-Químicas y Naturales
- Universidad Nacional de Río Cuarto
- Río Cuarto
| | - Ernesto M. Arbeloa
- Departamento de Química
- Facultad de Ciencias Exactas
- Físico-Químicas y Naturales
- Universidad Nacional de Río Cuarto
- Río Cuarto
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