1
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Grübel J, Wendlandt T, Urban D, Jauch CO, Wege C, Tovar GEM, Southan A. Soft Sub-Structured Multi-Material Biosensor Hydrogels with Enzymes Retained by Plant Viral Scaffolds. Macromol Biosci 2024; 24:e2300311. [PMID: 37922890 DOI: 10.1002/mabi.202300311] [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: 07/04/2023] [Revised: 10/13/2023] [Indexed: 11/07/2023]
Abstract
An all-soft multi-material combination consisting of a hydrogel based on poly(ethylene glycol) (PEG) coated with spatially defined spots of gelatin methacryloyl (GM) containing selectively addressable viral nanorods is presented, and its basic application as a qualitative biosensor with reporter enzymes displayed on the tobacco mosaic virus (TMV) bioscaffolds within the GM is demonstrated. Biologically inert PEG supports are equipped with GM spots serving as biological matrix for enzymes clustered on TMV particles preventing diffusion out of the gel. For this multi-material combination, i) the PEG-based hydrogel surface is modified to achieve a clear boundary between coated and non-coated regions by introducing either isothiouronium or thiol groups. ii) Cross-linking of the GM spots is studied to achieve anchoring to the hydrogel surface. iii) The enzymes horseradish peroxidase or penicillinase (Pen) are conjugated to TMV and integrated into the GM matrix. In contrast to free enzymes, enzyme-decorated TMVs persist in GM spots and show sustained enzyme activity as evidenced by specific color reaction after 7 days of washing, and for Pen after 22 months after dry storage. Therefore, the integration of enzyme-coupled TMV into hydrogel matrices is a promising and versatile approach to obtaining reusable and analyte-specific sensor components.
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Affiliation(s)
- Jana Grübel
- Institute of Interfacial Process Engineering and Plasma Technology IGVP, University of Stuttgart, Nobelstr. 12, 70569, Stuttgart, Germany
| | - Tim Wendlandt
- Institute of Biomaterials and Biomolecular Systems, University of Stuttgart, Pfaffenwaldring 57, 70569, Stuttgart, Germany
| | - Daniela Urban
- Institute of Interfacial Process Engineering and Plasma Technology IGVP, University of Stuttgart, Nobelstr. 12, 70569, Stuttgart, Germany
| | - Corinna O Jauch
- Institute of Interfacial Process Engineering and Plasma Technology IGVP, University of Stuttgart, Nobelstr. 12, 70569, Stuttgart, Germany
| | - Christina Wege
- Institute of Biomaterials and Biomolecular Systems, University of Stuttgart, Pfaffenwaldring 57, 70569, Stuttgart, Germany
| | - Günter E M Tovar
- Institute of Interfacial Process Engineering and Plasma Technology IGVP, University of Stuttgart, Nobelstr. 12, 70569, Stuttgart, Germany
- Fraunhofer Institute for Interfacial Engineering and Biotechnology IGB, Nobelstr. 12, 70569, Stuttgart, Germany
| | - Alexander Southan
- Institute of Interfacial Process Engineering and Plasma Technology IGVP, University of Stuttgart, Nobelstr. 12, 70569, Stuttgart, Germany
- Max Planck Institute for Intelligent Systems, Heisenbergstr. 3, 70569, Stuttgart, Germany
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2
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Kuroki S, Kubota M, Haraguchi R, Oishi Y, Narita T. Additive-Free Method for Enhancing the Volume Phase Transition Rate in Light-Responsive Hydrogels: A Study of Micro-Nano Bubble Water on PNIPAM-co-AAc Hydrogels. Gels 2023; 9:880. [PMID: 37998970 PMCID: PMC10671373 DOI: 10.3390/gels9110880] [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: 10/08/2023] [Revised: 10/27/2023] [Accepted: 11/04/2023] [Indexed: 11/25/2023] Open
Abstract
Light-responsive hydrogels containing light-thermal convertible pigments have received interest for their possible applications in light-responsive shutters, valves, drug delivery systems, etc. However, their utility is limited by the slow response time. In this study, we investigated the use of micro-nano bubble water as a preparation solvent to accelerate the volume phase transition kinetics of poly(N-isopropylacrylamide-co-acrylic acid) (PNIPAM-co-AAc) hydrogels. The hydrogels were characterized by dynamic light scattering (DLS) and dissolved oxygen (DO) measurements. The mechanical properties, surface morphology, and chemical composition of the hydrogels were analyzed by Young's modulus measurements, scanning electron microscopy (SEM), and Fourier transform infrared (FT-IR) spectroscopy, respectively. The results showed that hydrogels prepared with bubble water changed the volume transition rate by more than two orders of magnitude by simply changing the standing time of the bubble water for only a few hours. The cooperative diffusion coefficients obtained from the light-induced volume transition kinetics correlated linearly with Young's modulus and metastable state swelling ratio. Our results suggest that bubbles act as efficient water channels, thereby modulating the response rate and providing a simple, additive-free method for preparing hydrogels with a wide range of response rates.
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Affiliation(s)
| | | | | | | | - Takayuki Narita
- Department of Chemistry and Applied Chemistry, Saga University, 1 Honjo, Saga 840-8502, Japan
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3
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Recent Advances on Photobleachable Visible Light Photoinitiators of Polymerization. Eur Polym J 2023. [DOI: 10.1016/j.eurpolymj.2023.111874] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
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4
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5
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Esen DS, Cakir Yigit N, Tunca U, Hizal G, Arsu N. Synthesis and characterization of multiarm (
Benzoin‐PS
)
m
‐polyDVB
star polymer as a polymeric photoinitiator for polymerization of acrylates and methacrylates. JOURNAL OF POLYMER SCIENCE 2021. [DOI: 10.1002/pol.20210375] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Duygu Sevinc Esen
- Art and Science Faculty, Department of Chemistry Yildiz Technical University Yildiz Istanbul Turkey
| | - Nese Cakir Yigit
- Art and Science Faculty, Department of Chemistry İstanbul Technical University Maslak Istanbul Turkey
- Faculty of Engineering, Department of Polymer Materials Engineering Yalova University Yalova Turkey
| | - Umit Tunca
- Art and Science Faculty, Department of Chemistry İstanbul Technical University Maslak Istanbul Turkey
| | - Gurkan Hizal
- Art and Science Faculty, Department of Chemistry İstanbul Technical University Maslak Istanbul Turkey
| | - Nergis Arsu
- Art and Science Faculty, Department of Chemistry Yildiz Technical University Yildiz Istanbul Turkey
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6
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Cheng C, Harpster MH, Oakey J. Convection-driven microfabricated hydrogels for rapid biosensing. Analyst 2020; 145:5981-5988. [PMID: 32820752 PMCID: PMC7819640 DOI: 10.1039/d0an01069c] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
A microscale biosensing platform using rehydration-mediated swelling of bio-functionalized hydrogel structures and rapid target analyte capture is described. Induced convective flow mitigates diffusion limited incubation times, enabling model assays to be completed in under three minutes. Assay design parameters have been evaluated, revealing fabrication criteria required to tune detection sensitivity.
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Affiliation(s)
- Cheng Cheng
- Department of Chemical Engineering, University of Wyoming, Laramie, WY 82070, USA.
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7
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Noirbent G, Dumur F. Recent advances on naphthalic anhydrides and 1,8-naphthalimide-based photoinitiators of polymerization. Eur Polym J 2020. [DOI: 10.1016/j.eurpolymj.2020.109702] [Citation(s) in RCA: 39] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
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8
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Childress KK, Kim K, Glugla DJ, Musgrave CB, Bowman CN, Stansbury JW. Independent Control of Singlet Oxygen and Radical Generation via Irradiation of a Two-Color Photosensitive Molecule. Macromolecules 2019. [DOI: 10.1021/acs.macromol.9b00424] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Kimberly K. Childress
- Department of Chemical and Biological Engineering, University of Colorado Boulder, 3415 Colorado Avenue, Boulder, Colorado 80303, United States
| | - Kangmin Kim
- Department of Chemistry, University of Colorado Boulder, 215 UCB, Boulder, Colorado 80309, United States
| | - David J. Glugla
- Department of Electrical, Computer, and Energy Engineering, University of Colorado Boulder, 425 UCB, Boulder, Colorado 80303, United States
| | - Charles B. Musgrave
- Department of Chemical and Biological Engineering, University of Colorado Boulder, 3415 Colorado Avenue, Boulder, Colorado 80303, United States
- Department of Chemistry, University of Colorado Boulder, 215 UCB, Boulder, Colorado 80309, United States
- Materials Science and Engineering Program, University of Colorado Boulder, 596 UCB, Boulder, Colorado 80309, United States
- National Renewable Energy Laboratory, Golden, Colorado 80401, United States
| | - Christopher N. Bowman
- Department of Chemical and Biological Engineering, University of Colorado Boulder, 3415 Colorado Avenue, Boulder, Colorado 80303, United States
- Materials Science and Engineering Program, University of Colorado Boulder, 596 UCB, Boulder, Colorado 80309, United States
| | - Jeffrey W. Stansbury
- Department of Chemical and Biological Engineering, University of Colorado Boulder, 3415 Colorado Avenue, Boulder, Colorado 80303, United States
- Department of Craniofacial Biology, School of Dental Medicine, University of Colorado Denver, 12800 East 19th Avenue, Aurora, Colorado 80045, United States
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9
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Synthesis, Biological Evaluation and Docking Studies of Chalcone and Flavone Analogs as Antioxidants and Acetylcholinesterase Inhibitors. APPLIED SCIENCES-BASEL 2019. [DOI: 10.3390/app9030410] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Several oxidative processes are related to a wide range of human chronic and degenerative diseases, like Alzheimer’s disease, which also has been related to cholinergic processes. Therefore, search for new or improved antioxidant molecules with acetylcholinesterase activity is essential to offer alternative chemotherapeutic agents to support current drug therapies. A series of chalcone (2a–2k) and flavone (3a–3k) analogs were synthesized, characterized, and evaluated as acetylcholinesterase (AChE) inhibitors, and antioxidant agents using 1,1-diphenyl-2-picrylhydrazyl (DPPH•), 2-2′-azino-bis-(3-ethylbenzothiazoline-6-sulfonate) (ABTS•), and β-carotene/linoleic acid bleaching assay. Compounds more active were 3j and 2k in DPPH with EC50 of 1 × 10−8 and 5.4 × 10−3 μg/mL, respectively; 2g and 3i in ABTS (1.14 × 10−2 and 1.9 × 10−3 μg/mL); 2e, 2f, 3f, 2j, and 3j exceeded the α-tocopherol control in the β-carotene assay (98–99% of antioxidant activity). At acetylcholinesterase inhibition assay, flavones were more active than chalcones; the best results were compounds 2d and 3d (IC50 21.5 and 26.8 µg/mL, respectively), suggesting that the presence of the nitro group enhances the inhibitory activity. The docking of these two structures were made to understand their interactions with the AChE receptor. Although further in vivo testing must be performed, our results represent an important step towards the identification of improved antioxidants and acetylcholinesterase inhibitors.
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10
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Xue T, Zhao D, Hao T, Li X, Wang T, Nie J. Synthesis, one/two-photon optical and electrochemical properties and the photopolymerization-sensitizing effect of anthracene-based dyes: influence of the donor groups. NEW J CHEM 2019. [DOI: 10.1039/c8nj06520a] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Anthracene-based dyes with different donor groups: optical and electrochemical properties and their application in dye-sensitized photopolymerization.
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Affiliation(s)
- Tanlong Xue
- State Key Laboratory of Chemical Resource Engineering
- College of Science
- Beijing University of Chemical Technology
- Beijing 100029
- China
| | - Di Zhao
- State Key Laboratory of Chemical Resource Engineering
- College of Science
- Beijing University of Chemical Technology
- Beijing 100029
- China
| | - Tingting Hao
- State Key Laboratory of Chemical Resource Engineering
- College of Science
- Beijing University of Chemical Technology
- Beijing 100029
- China
| | - Xiuyan Li
- College of Materials Science and Engineering
- Beijing Institute of Fashion Technology
- Beijing 100029
- China
| | - Tao Wang
- State Key Laboratory of Chemical Resource Engineering
- College of Science
- Beijing University of Chemical Technology
- Beijing 100029
- China
| | - Jun Nie
- State Key Laboratory of Chemical Resource Engineering
- College of Science
- Beijing University of Chemical Technology
- Beijing 100029
- China
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11
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Mutlu S, Watanabe K, Takahara S, Arsu N. Thioxanthone-anthracene-9-carboxylic acid as radical photoinitiator in the presence of atmospheric air. ACTA ACUST UNITED AC 2018. [DOI: 10.1002/pola.29072] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Saliha Mutlu
- Department of Chemistry; Yildiz Technical University; Davutpasa Campus Istanbul 34210 Turkey
| | - Kohei Watanabe
- Department of Applied Chemistry and Biotechnology; Chiba University, 1-33 Yayoi-cho; Inage-ku Chiba 263-8522 Japan
| | - Shigeru Takahara
- Department of Materials Science; Chiba University, 1-33 Yayoi-cho; Inage-ku Chiba 263-8522 Japan
| | - Nergis Arsu
- Department of Chemistry; Yildiz Technical University; Davutpasa Campus Istanbul 34210 Turkey
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12
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Interfacially-mediated oxygen inhibition for precise and continuous poly(ethylene glycol) diacrylate (PEGDA) particle fabrication. J Colloid Interface Sci 2018; 510:334-344. [DOI: 10.1016/j.jcis.2017.09.081] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2017] [Revised: 09/20/2017] [Accepted: 09/21/2017] [Indexed: 12/13/2022]
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13
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Affiliation(s)
- Sivaprakash Shanmugam
- Centre
for Advanced Macromolecular Design (CAMD), School of Chemical
Engineering, and ‡Australian Centre for NanoMedicine, School of Chemical Engineering, UNSW Australia, Sydney, NSW 2052, Australia
| | - Jiangtao Xu
- Centre
for Advanced Macromolecular Design (CAMD), School of Chemical
Engineering, and ‡Australian Centre for NanoMedicine, School of Chemical Engineering, UNSW Australia, Sydney, NSW 2052, Australia
| | - Cyrille Boyer
- Centre
for Advanced Macromolecular Design (CAMD), School of Chemical
Engineering, and ‡Australian Centre for NanoMedicine, School of Chemical Engineering, UNSW Australia, Sydney, NSW 2052, Australia
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14
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Ng G, Yeow J, Xu J, Boyer C. Application of oxygen tolerant PET-RAFT to polymerization-induced self-assembly. Polym Chem 2017. [DOI: 10.1039/c7py00442g] [Citation(s) in RCA: 122] [Impact Index Per Article: 17.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
The inhibitory effects of molecular oxygen in PET-RAFT polymerization can be overcome by the addition of singlet oxygen quenchers. This oxygen tolerant approach is compatible with a range of organic solvents and can be used to synthesize nanoparticles according to a PISA process.
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Affiliation(s)
- Gervase Ng
- Centre for Advanced Macromolecular Design and Australian Centre for NanoMedicine
- School of Chemical Engineering
- The University of New South Wales
- Sydney
- Australia
| | - Jonathan Yeow
- Centre for Advanced Macromolecular Design and Australian Centre for NanoMedicine
- School of Chemical Engineering
- The University of New South Wales
- Sydney
- Australia
| | - Jiangtao Xu
- Centre for Advanced Macromolecular Design and Australian Centre for NanoMedicine
- School of Chemical Engineering
- The University of New South Wales
- Sydney
- Australia
| | - Cyrille Boyer
- Centre for Advanced Macromolecular Design and Australian Centre for NanoMedicine
- School of Chemical Engineering
- The University of New South Wales
- Sydney
- Australia
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15
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Yeow J, Shanmugam S, Corrigan N, Kuchel RP, Xu J, Boyer C. A Polymerization-Induced Self-Assembly Approach to Nanoparticles Loaded with Singlet Oxygen Generators. Macromolecules 2016. [DOI: 10.1021/acs.macromol.6b01581] [Citation(s) in RCA: 123] [Impact Index Per Article: 15.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Affiliation(s)
- Jonathan Yeow
- Centre for Advanced Macromolecular Design and Australian Centre for
NanoMedicine, School of Chemical Engineering, and ‡Electron Microscope Unit, Mark
Wainwright Analytical Centre, The University of New South Wales, Sydney, NSW 2052, Australia
| | - Sivaprakash Shanmugam
- Centre for Advanced Macromolecular Design and Australian Centre for
NanoMedicine, School of Chemical Engineering, and ‡Electron Microscope Unit, Mark
Wainwright Analytical Centre, The University of New South Wales, Sydney, NSW 2052, Australia
| | - Nathaniel Corrigan
- Centre for Advanced Macromolecular Design and Australian Centre for
NanoMedicine, School of Chemical Engineering, and ‡Electron Microscope Unit, Mark
Wainwright Analytical Centre, The University of New South Wales, Sydney, NSW 2052, Australia
| | - Rhiannon P. Kuchel
- Centre for Advanced Macromolecular Design and Australian Centre for
NanoMedicine, School of Chemical Engineering, and ‡Electron Microscope Unit, Mark
Wainwright Analytical Centre, The University of New South Wales, Sydney, NSW 2052, Australia
| | - Jiangtao Xu
- Centre for Advanced Macromolecular Design and Australian Centre for
NanoMedicine, School of Chemical Engineering, and ‡Electron Microscope Unit, Mark
Wainwright Analytical Centre, The University of New South Wales, Sydney, NSW 2052, Australia
| | - Cyrille Boyer
- Centre for Advanced Macromolecular Design and Australian Centre for
NanoMedicine, School of Chemical Engineering, and ‡Electron Microscope Unit, Mark
Wainwright Analytical Centre, The University of New South Wales, Sydney, NSW 2052, Australia
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16
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Lalevée J, Bourgon J, Poupart R, Leroy E, Batisda JC, Fouassier JP, Versace DL. Oxygen-Mediated Reactions in Photopolymerizable Radical Thin Films: Application to Simultaneous Photocuring Under Air and Nanoparticle Formation. MACROMOL CHEM PHYS 2015. [DOI: 10.1002/macp.201500104] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Jacques Lalevée
- Institut de Science des Matériaux de Mulhouse (IS2M); UMR CNRS 7361; ENSCMu-UHA15, rue Jean Starcky 68057 Mulhouse CEDEX France
| | - Julie Bourgon
- Institut de Chimie et des Matériaux Paris-Est (ICMPE); UMR CNRS 7182; Université Paris-Est Créteil (UPEC); 2-8 rue Henri Dunant 94320 Thiais France
| | - Romain Poupart
- Institut de Chimie et des Matériaux Paris-Est (ICMPE); UMR CNRS 7182; Université Paris-Est Créteil (UPEC); 2-8 rue Henri Dunant 94320 Thiais France
| | - Eric Leroy
- Institut de Chimie et des Matériaux Paris-Est (ICMPE); UMR CNRS 7182; Université Paris-Est Créteil (UPEC); 2-8 rue Henri Dunant 94320 Thiais France
| | | | | | - Davy-Louis Versace
- Institut de Chimie et des Matériaux Paris-Est (ICMPE); UMR CNRS 7182; Université Paris-Est Créteil (UPEC); 2-8 rue Henri Dunant 94320 Thiais France
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17
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Dadashi-Silab S, Asiri AM, Khan SB, Alamry KA, Yagci Y. Semiconductor nanoparticles for photoinitiation of free radical polymerization in aqueous and organic media. ACTA ACUST UNITED AC 2014. [DOI: 10.1002/pola.27145] [Citation(s) in RCA: 44] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Affiliation(s)
- Sajjad Dadashi-Silab
- Department of Chemistry; Istanbul Technical University; 34469 Maslak Istanbul Turkey
| | - Abdullah Mohamed Asiri
- Center of Excellence for Advanced Materials Research (CEAMR) and Department of Chemistry; Faculty of Science; King Abdulaziz University; 21589 Jeddah Saudi Arabia
| | - Sher Bahadar Khan
- Center of Excellence for Advanced Materials Research (CEAMR) and Department of Chemistry; Faculty of Science; King Abdulaziz University; 21589 Jeddah Saudi Arabia
| | - Khalid A. Alamry
- Center of Excellence for Advanced Materials Research (CEAMR) and Department of Chemistry; Faculty of Science; King Abdulaziz University; 21589 Jeddah Saudi Arabia
| | - Yusuf Yagci
- Department of Chemistry; Istanbul Technical University; 34469 Maslak Istanbul Turkey
- Center of Excellence for Advanced Materials Research (CEAMR) and Department of Chemistry; Faculty of Science; King Abdulaziz University; 21589 Jeddah Saudi Arabia
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18
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Ligon SC, Husár B, Wutzel H, Holman R, Liska R. Strategies to reduce oxygen inhibition in photoinduced polymerization. Chem Rev 2013; 114:557-89. [PMID: 24083614 DOI: 10.1021/cr3005197] [Citation(s) in RCA: 329] [Impact Index Per Article: 29.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- Samuel Clark Ligon
- Institute of Applied Synthetic Chemistry, Vienna University of Technology , Getreidemarkt 9/163/MC, A-1060 Vienna, Austria
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19
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Sun Y, Zhai GQ. CuSO4-catalyzed self-initiated radical polymerization of 2-(N,N-dimethylamino) ethyl methacrylate as an intrinsically reducing inimer. CHINESE JOURNAL OF POLYMER SCIENCE 2013. [DOI: 10.1007/s10118-013-1317-5] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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20
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Moszner N, Hirt T. New polymer-chemical developments in clinical dental polymer materials: Enamel-dentin adhesives and restorative composites. ACTA ACUST UNITED AC 2012. [DOI: 10.1002/pola.26260] [Citation(s) in RCA: 101] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
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21
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El-Roz M, Lalevée J, Allonas X, Fouassier JP. Mechanistic Investigation of the Silane, Germane, and Stannane Behavior When Incorporated in Type I and Type II Photoinitiators of Polymerization in Aerated Media. Macromolecules 2009. [DOI: 10.1021/ma9017313] [Citation(s) in RCA: 78] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Mohamad El-Roz
- Department of Photochemistry, CNRS, University of Haute Alsace, Ecole Nationale Supérieure de Chimie de Mulhouse, 3 rue Alfred Werner, 68093 Mulhouse Cedex, France
| | - Jacques Lalevée
- Department of Photochemistry, CNRS, University of Haute Alsace, Ecole Nationale Supérieure de Chimie de Mulhouse, 3 rue Alfred Werner, 68093 Mulhouse Cedex, France
| | - Xavier Allonas
- Department of Photochemistry, CNRS, University of Haute Alsace, Ecole Nationale Supérieure de Chimie de Mulhouse, 3 rue Alfred Werner, 68093 Mulhouse Cedex, France
| | - Jean Pierre Fouassier
- Department of Photochemistry, CNRS, University of Haute Alsace, Ecole Nationale Supérieure de Chimie de Mulhouse, 3 rue Alfred Werner, 68093 Mulhouse Cedex, France
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22
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Höfer M, Liska R. Photochemistry and initiation behavior of phenylethynyl onium salts as cationic photoinitiators. ACTA ACUST UNITED AC 2009. [DOI: 10.1002/pola.23423] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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23
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Kim D, Stansbury JW. A photo-oxidizable kinetic pathway of three-component photoinitiator systems containing porphrin dye (Zn-tpp), an electron donor and diphenyl iodonium salt. ACTA ACUST UNITED AC 2009. [DOI: 10.1002/pola.23401] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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24
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Kim D, Scranton AB, Stansbury JW. Analysis of association constant for ground state dye-electron acceptor complex of photoinitiator systems and the association constant effect on the kinetics of visible-light-induced polymerizations. JOURNAL OF POLYMER SCIENCE. PART A, POLYMER CHEMISTRY 2009; 47:1429-1439. [PMID: 20161099 PMCID: PMC2745164 DOI: 10.1002/pola.23252] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Abstract
We investigated the formation of ground state donor/acceptor complexes between xanthene dyes (rose Bengal (RB) and fluorescein (FL)) and a diphenyl iodonium salt (DPI) which is dissolved in 2-hydroxyethyl methacrylate (HEMA) monomer. To characterize the association constant of the complex, we have suggested a new analysis model based upon the Benesi-Hildebrand model. Because the assumption of the original Benesi-Hildebrand model is that the absorption bands are due only to the presence of the complex and that the absorption by the free component is negligible; the model cannot be applied to our systems, which is a dye-based initiator system. For each dye, the molar absorptivity of the ground state complex was evaluated as a function of wavelength and this analysis confirmed the validity of the modified Benesi-Hildebrand model. In addition, we observed the RB/DPI photoinitiator system failed to produce a perceptible polymerization rate but the FL/DPI photoinitiator system provided very high rates of polymerization. Based upon the association constant for these complexes, we concluded that the observed kinetic differences arise from the different association constant values of the ground state dye-acceptor complex, resulting in back electron transfer reaction.
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Affiliation(s)
- Dongkwan Kim
- University of Colorado-Denver, School of Dental Medicine, Department of Craniofacial Biology, PO Box 6511/Mail Stop 8310, Aurora, Colorado 80045
| | - Alec B. Scranton
- University of Iowa, Department of Chemical and Biochemical Engineering, 4133 Seamans Center, Iowa City, Iowa 52242
| | - Jeffrey W. Stansbury
- University of Colorado-Denver, School of Dental Medicine, Department of Craniofacial Biology, PO Box 6511/Mail Stop 8310, Aurora, Colorado 80045
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25
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Kim D, Stansbury JW. Kinetic pathway investigations of three-component photoinitiator systems for visible-light activated free radical polymerizations. ACTA ACUST UNITED AC 2008. [DOI: 10.1002/pola.23207] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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Karasu F, Dworak C, Kopeinig S, Hummer E, Arsu N, Liska R. Photoinitiating Monomers Based on Diacrylamides. Macromolecules 2008. [DOI: 10.1021/ma8017537] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Feyza Karasu
- Institute of Applied Synthetic Chemistry, Vienna University of Technology, Getreidemarkt 9/163/MC, 1060 Vienna, Austria, Department of Chemistry, Yildiz Technical University, Davutpasa Campus, Istanbul 34210, Turkey, and Mondi Packaging Release Liner Austria GmbH, Hilm, Austria
| | - Claudia Dworak
- Institute of Applied Synthetic Chemistry, Vienna University of Technology, Getreidemarkt 9/163/MC, 1060 Vienna, Austria, Department of Chemistry, Yildiz Technical University, Davutpasa Campus, Istanbul 34210, Turkey, and Mondi Packaging Release Liner Austria GmbH, Hilm, Austria
| | - Stefan Kopeinig
- Institute of Applied Synthetic Chemistry, Vienna University of Technology, Getreidemarkt 9/163/MC, 1060 Vienna, Austria, Department of Chemistry, Yildiz Technical University, Davutpasa Campus, Istanbul 34210, Turkey, and Mondi Packaging Release Liner Austria GmbH, Hilm, Austria
| | - Erwin Hummer
- Institute of Applied Synthetic Chemistry, Vienna University of Technology, Getreidemarkt 9/163/MC, 1060 Vienna, Austria, Department of Chemistry, Yildiz Technical University, Davutpasa Campus, Istanbul 34210, Turkey, and Mondi Packaging Release Liner Austria GmbH, Hilm, Austria
| | - Nergis Arsu
- Institute of Applied Synthetic Chemistry, Vienna University of Technology, Getreidemarkt 9/163/MC, 1060 Vienna, Austria, Department of Chemistry, Yildiz Technical University, Davutpasa Campus, Istanbul 34210, Turkey, and Mondi Packaging Release Liner Austria GmbH, Hilm, Austria
| | - Robert Liska
- Institute of Applied Synthetic Chemistry, Vienna University of Technology, Getreidemarkt 9/163/MC, 1060 Vienna, Austria, Department of Chemistry, Yildiz Technical University, Davutpasa Campus, Istanbul 34210, Turkey, and Mondi Packaging Release Liner Austria GmbH, Hilm, Austria
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