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Fabio GB, Martin BA, Dalmolin LF, Lopez RFV. Antimicrobial photodynamic therapy and the advances impacted by the association with nanoparticles. J Drug Deliv Sci Technol 2023. [DOI: 10.1016/j.jddst.2022.104147] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
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Maldonado-Carmona N, Villandier N, Ouk TS, Launay Y, Calliste CA, Wiehe A, Leroy-Lhez S. Effect of the phenyl substituent's position on the encapsulation of porphyrins inside lignin nanoparticles: Photophysical and antibacterial properties. J PORPHYR PHTHALOCYA 2022. [DOI: 10.1142/s1088424622500237] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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Tsolekile N, Parani S, de Macedo EF, Lebepe TC, Maluleke R, Ncapayi V, Matoetoe MC, Songca SP, Conceição K, Tada DB, Oluwafemi OS. Photodynamic Therapy and Antibacterial Activities of a Novel Synthesized Quaternary Zn-Cu-In-S/ZnS QDs- mTHPP Porphyrin Conjugate. Int J Nanomedicine 2022; 17:5315-5325. [PMID: 36411766 PMCID: PMC9675416 DOI: 10.2147/ijn.s382302] [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: 07/15/2022] [Accepted: 09/16/2022] [Indexed: 11/16/2022] Open
Abstract
Background Photodynamic therapy (PDT) is a non-invasive treatment modality that destroys abnormally growing cells or microorganisms. Porphyrins are used as photosensitizers in PDT; however, their clinical application has been limited by their poor water solubility, resulting in aggregation and low quantum yields of reactive oxygen species (ROS). Methods To overcome these limitations and improve PDT efficacy, we herein report the conjugation of ZnCuInS/ZnS (ZCIS/ZnS) quantum dots (QDs) to 5,10,15,20-tetrakis(3-hydroxyphenyl)porphyrin (mTHPP). The optimal conditions for QDs porphyrin conjugation formation were systematically evaluated. Discussion This study further assessed the PDT efficacy and antibacterial potency of the synthesized ZCIS/ZnS-mTHPP conjugates. The PDT efficacy of the QDs, mTHPP, and conjugate was evaluated against the murine metastatic melanoma (B16 F10 Nex2) cell line. This was performed with and without LED irradiation. Results The conjugate exhibited the highest reduction in cell viability following LED irradiation (72%) compared to the bare QDs (19%) and mTHPP (1%). Antimicrobial studies conducted on E. coli showed that the conjugation exhibits a higher antibacterial effect than the bare QDs, even without light. Conclusion The results suggest that conjugate is a promising class of materials for anti-cancer and antimicrobial PDT.
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Affiliation(s)
- Ncediwe Tsolekile
- Department of Chemistry, Cape Peninsula University of Technology, Cape Town, 2000, South Africa.,Department of Chemical Sciences, University of Johannesburg, Johannesburg, 2028, South Africa.,Centre for Nanomaterials Science Research, University of Johannesburg, Johannesburg, South Africa
| | - Sundararajan Parani
- Department of Chemical Sciences, University of Johannesburg, Johannesburg, 2028, South Africa.,Centre for Nanomaterials Science Research, University of Johannesburg, Johannesburg, South Africa
| | - Erenilda Ferreira de Macedo
- Laboratory of Nanomaterials and Nanotoxicology, Institute of Science and Technology, Federal University of São Paulo, São Paulo, Brazil
| | - Thabang Calvin Lebepe
- Department of Chemical Sciences, University of Johannesburg, Johannesburg, 2028, South Africa.,Centre for Nanomaterials Science Research, University of Johannesburg, Johannesburg, South Africa
| | - Rodney Maluleke
- Department of Chemical Sciences, University of Johannesburg, Johannesburg, 2028, South Africa.,Centre for Nanomaterials Science Research, University of Johannesburg, Johannesburg, South Africa
| | - Vuyelwa Ncapayi
- Department of Chemical Sciences, University of Johannesburg, Johannesburg, 2028, South Africa.,Centre for Nanomaterials Science Research, University of Johannesburg, Johannesburg, South Africa
| | - Mangaka Clara Matoetoe
- Department of Chemistry, Cape Peninsula University of Technology, Cape Town, 2000, South Africa
| | | | - Katia Conceição
- Laboratory of Peptide Biochemistry, Institute of Science and Technology, Federal University of São Paulo, São Paulo, Brazil
| | - Dayane Batista Tada
- Laboratory of Nanomaterials and Nanotoxicology, Institute of Science and Technology, Federal University of São Paulo, São Paulo, Brazil
| | - Oluwatobi Samuel Oluwafemi
- Department of Chemical Sciences, University of Johannesburg, Johannesburg, 2028, South Africa.,Centre for Nanomaterials Science Research, University of Johannesburg, Johannesburg, South Africa
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Shellaiah M, Sun KW. Diamond-Based Electrodes for Detection of Metal Ions and Anions. NANOMATERIALS 2021; 12:nano12010064. [PMID: 35010014 PMCID: PMC8746347 DOI: 10.3390/nano12010064] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/14/2021] [Revised: 12/14/2021] [Accepted: 12/22/2021] [Indexed: 02/07/2023]
Abstract
Diamond electrodes have long been a well-known candidate in electrochemical analyte detection. Nano- and micro-level modifications on the diamond electrodes can lead to diverse analytical applications. Doping of crystalline diamond allows the fabrication of suitable electrodes towards specific analyte monitoring. In particular, boron-doped diamond (BDD) electrodes have been reported for metal ions, anions, biomolecules, drugs, beverage hazards, pesticides, organic molecules, dyes, growth stimulant, etc., with exceptional performance in discriminations. Therefore, numerous reviews on the diamond electrode-based sensory utilities towards the specified analyte quantifications were published by many researchers. However, reviews on the nanodiamond-based electrodes for metal ions and anions are still not readily available nowadays. To advance the development of diamond electrodes towards the detection of diverse metal ions and anions, it is essential to provide clear and focused information on the diamond electrode synthesis, structure, and electrical properties. This review provides indispensable information on the diamond-based electrodes towards the determination of metal ions and anions.
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Youf R, Müller M, Balasini A, Thétiot F, Müller M, Hascoët A, Jonas U, Schönherr H, Lemercier G, Montier T, Le Gall T. Antimicrobial Photodynamic Therapy: Latest Developments with a Focus on Combinatory Strategies. Pharmaceutics 2021; 13:1995. [PMID: 34959277 PMCID: PMC8705969 DOI: 10.3390/pharmaceutics13121995] [Citation(s) in RCA: 42] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2021] [Revised: 11/17/2021] [Accepted: 11/17/2021] [Indexed: 02/06/2023] Open
Abstract
Antimicrobial photodynamic therapy (aPDT) has become a fundamental tool in modern therapeutics, notably due to the expanding versatility of photosensitizers (PSs) and the numerous possibilities to combine aPDT with other antimicrobial treatments to combat localized infections. After revisiting the basic principles of aPDT, this review first highlights the current state of the art of curative or preventive aPDT applications with relevant clinical trials. In addition, the most recent developments in photochemistry and photophysics as well as advanced carrier systems in the context of aPDT are provided, with a focus on the latest generations of efficient and versatile PSs and the progress towards hybrid-multicomponent systems. In particular, deeper insight into combinatory aPDT approaches is afforded, involving non-radiative or other light-based modalities. Selected aPDT perspectives are outlined, pointing out new strategies to target and treat microorganisms. Finally, the review works out the evolution of the conceptually simple PDT methodology towards a much more sophisticated, integrated, and innovative technology as an important element of potent antimicrobial strategies.
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Affiliation(s)
- Raphaëlle Youf
- Univ Brest, INSERM, EFS, UMR 1078, GGB-GTCA, F-29200 Brest, France; (R.Y.); (A.H.); (T.M.)
| | - Max Müller
- Physical Chemistry I & Research Center of Micro- and Nanochemistry and (Bio)Technology of Micro and Nanochemistry and Engineering (Cμ), Department of Chemistry and Biology, University of Siegen, Adolf-Reichwein-Straße 2, 57076 Siegen, Germany; (M.M.); (M.M.)
| | - Ali Balasini
- Macromolecular Chemistry, Department of Chemistry and Biology, University of Siegen, Adolf-Reichwein-Straße 2, 57076 Siegen, Germany; (A.B.); (U.J.)
| | - Franck Thétiot
- Unité Mixte de Recherche (UMR), Centre National de la Recherche Scientifique (CNRS) 6521, Université de Brest (UBO), CS 93837, 29238 Brest, France
| | - Mareike Müller
- Physical Chemistry I & Research Center of Micro- and Nanochemistry and (Bio)Technology of Micro and Nanochemistry and Engineering (Cμ), Department of Chemistry and Biology, University of Siegen, Adolf-Reichwein-Straße 2, 57076 Siegen, Germany; (M.M.); (M.M.)
| | - Alizé Hascoët
- Univ Brest, INSERM, EFS, UMR 1078, GGB-GTCA, F-29200 Brest, France; (R.Y.); (A.H.); (T.M.)
| | - Ulrich Jonas
- Macromolecular Chemistry, Department of Chemistry and Biology, University of Siegen, Adolf-Reichwein-Straße 2, 57076 Siegen, Germany; (A.B.); (U.J.)
| | - Holger Schönherr
- Physical Chemistry I & Research Center of Micro- and Nanochemistry and (Bio)Technology of Micro and Nanochemistry and Engineering (Cμ), Department of Chemistry and Biology, University of Siegen, Adolf-Reichwein-Straße 2, 57076 Siegen, Germany; (M.M.); (M.M.)
| | - Gilles Lemercier
- Coordination Chemistry Team, Unité Mixte de Recherche (UMR), Centre National de la Recherche Scientifique (CNRS) 7312, Institut de Chimie Moléculaire de Reims (ICMR), Université de Reims Champagne-Ardenne, BP 1039, CEDEX 2, 51687 Reims, France
| | - Tristan Montier
- Univ Brest, INSERM, EFS, UMR 1078, GGB-GTCA, F-29200 Brest, France; (R.Y.); (A.H.); (T.M.)
- CHRU de Brest, Service de Génétique Médicale et de Biologie de la Reproduction, Centre de Référence des Maladies Rares Maladies Neuromusculaires, 29200 Brest, France
| | - Tony Le Gall
- Univ Brest, INSERM, EFS, UMR 1078, GGB-GTCA, F-29200 Brest, France; (R.Y.); (A.H.); (T.M.)
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Senthilkumar M, Pandimurugan R, Palanisamy S, Mohandoss S. Facile synthesis of metal nanoparticle-loaded polymer nanocomposite with highly efficient an optically enhanced biocidal and anticancer agents. JOURNAL OF BIOMATERIALS SCIENCE-POLYMER EDITION 2021; 32:2210-2226. [PMID: 34319846 DOI: 10.1080/09205063.2021.1962057] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
In this work, we prepared silver nanoparticles (AgNPs)-loaded poly(2,5-dimethoxyaniline;PDMA) nanocomposite via a simple chemical oxidative method to develop new effective biocidal and anticancer agents systems. In situ UV-vis and fluorescence spectroscopy has been used to monitor the formation of PDMA/Ag is strongly dependent on the concentration of PDMA in the present system. The FTIR and XRD studies exhibit that the rate of polymer formation and oxidation state of PDMA/Ag nanocomposite, which confirmed the AgNPs is strongly binding with the PDMA matrix. SEM and EDAX analysis revealed the presence of uniform size and the highest percentage of AgNPs (42.1%) in the PDMA/Ag nanocomposite. TEM and size distribution analysis revealed the presence of spherical AgNPs with an average diameter of 25 nm in the PDMA/Ag nanocomposite. In addition, the PDMA polymer with embedded AgNPs exhibited excellent antibacterial performance against Escherichia coli and Staphylococcus aureus. Interestingly, the prepared PDMA/Ag nanocomposite exhibited enhanced bactericidal performance compared with the PDMA polymer, presumably because of the antibacterial properties of the AgNPs substrate. The anticancer effects of combined treatment with PDMA polymer and AgNPs were evaluated using a series of cellular and biochemical assays. The findings from this study revealed that the PDMA/Ag nanocomposite treatment significantly inhibited cell viability and proliferation of the human cervical cancer cell line (HeLa). The PDMA/Ag nanocomposite exhibits better antibacterial and anticancer activities compare to pristine PDMA.
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Affiliation(s)
- M Senthilkumar
- Department of Chemistry, Alagappa Chettiar Government College of Engineering and Technology, Karaikudi, Tamil Nadu, India
| | - R Pandimurugan
- Department of Chemistry, Ananda Arts and Science College, Devakottai, Tamil Nadu, India
| | - S Palanisamy
- East Coast Life Sciences Institute, Gangneung-Wonju National University, Gangwon, Republic of Korea
| | - S Mohandoss
- School of Chemical Engineering, Yeungnam University, Gyeongsan, Gyeongbuk-do, Republic of Korea
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