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Wendland RJ, Conway MT, Worthington KS. Evaluating the polymerization effectiveness and biocompatibility of bio-sourced, visible light-based photoinitiator systems. J Biomed Mater Res A 2024; 112:1662-1674. [PMID: 38572856 DOI: 10.1002/jbm.a.37715] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2023] [Revised: 03/06/2024] [Accepted: 03/23/2024] [Indexed: 04/05/2024]
Abstract
The use of photopolymerization is expanding across a multitude of biomedical applications, from drug delivery to bioprinting. Many of these current and emerging photopolymerization systems employ visible light, as motivated by safety and energy efficiency considerations. However, the "library" of visible light initiators is limited compared with the wealth of options available for UV polymerization. Furthermore, the synthesis of traditional photoinitiators relies on diminishing raw materials, and several traditional photoinitiators are considered emerging environmental contaminants. As such, there has been recent focus on identifying and characterizing biologically sourced, visible light-based photoinitiator systems that can be effectively used in photopolymerization applications. In this regard, several bio-sourced molecules have been shown to act as photoinitiators, primarily through Type II photoinitiation mechanisms. However, whether bio-sourced molecules can also act as effective synergists in these reactions remains unknown. In this study, we evaluated the effectiveness of bio-sourced synergist candidates, with a focus on amino acids, due to their amine functional groups, in combination with two bio-sourced photoinitiator molecules: riboflavin and curcumin. We tested the effectiveness of these photoinitiator systems under both violet (405 nm) and blue (460-475 nm) light using photo-rheology. We found that several synergist candidates, namely lysine, arginine, and histidine, increased the polymerization effectiveness of riboflavin when used with both violet and blue light. With curcumin, we found that almost all tested synergist candidates slightly decreased the polymerization effectiveness compared with curcumin alone under both light sources. These results show that bio-sourced molecules have the potential to be used as synergists with bio-sourced photoinitiators in visible light photopolymerization. However, more work must be done to fully characterize these reactions and to investigate more synergist candidates. Ultimately, this information is expected to expand the range of available visible light-based photoinitiator systems and increase their sustainability.
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Affiliation(s)
- Rion J Wendland
- Roy J. Carver Department of Biomedical Engineering, University of Iowa, Iowa City, Iowa, USA
| | - Matthew T Conway
- Roy J. Carver Department of Biomedical Engineering, University of Iowa, Iowa City, Iowa, USA
| | - Kristan S Worthington
- Roy J. Carver Department of Biomedical Engineering, University of Iowa, Iowa City, Iowa, USA
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2
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Vazquez-Martel C, Florido Martins L, Genthner E, Almeida C, Martel Quintana A, Bastmeyer M, Gómez Pinchetti JL, Blasco E. Printing Green: Microalgae-Based Materials for 3D Printing with Light. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2024; 36:e2402786. [PMID: 38876261 DOI: 10.1002/adma.202402786] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/23/2024] [Revised: 06/05/2024] [Indexed: 06/16/2024]
Abstract
Microalgae have emerged as sustainable feedstocks due to their ability to fix CO2 during cultivation, rapid growth rates, and capability to produce a wide variety of metabolites. Several microalgae accumulate lipids in high concentrations, especially triglycerides, along with lipid-soluble, photoactive pigments such as chlorophylls and derivatives. Microalgae-derived triglycerides contain longer fatty acid chains with more double bonds on average than vegetable oils, allowing a higher degree of post-functionalization. Consequently, they are especially suitable as precursors for materials that can be used in 3D printing with light. This work presents the use of microalgae as "biofactories" to generate materials that can be further 3D printed in high resolution. Two taxonomically different strains -Odontella aurita (O. aurita, BEA0921B) and Tetraselmis striata (T. striata, BEA1102B)- are identified as suitable microalgae for this purpose. The extracts obtained from the microalgae (mainly triglycerides with chlorophyll derivatives) are functionalized with photopolymerizable groups and used directly as printable materials (inks) without the need for additional photoinitiators. The fabrication of complex 3D microstructures with sub-micron resolution is demonstrated. Notably, the 3D printed materials show biocompatibility. These findings open new possibilities for the next generation of sustainable, biobased, and biocompatible materials with great potential in life science applications.
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Affiliation(s)
- Clara Vazquez-Martel
- Institute of Molecular Systems Engineering and Advanced Materials (IMSEAM), Heidelberg University, Im Neuenheimer Feld 225, 69120, Heidelberg, Germany
| | - Lilliana Florido Martins
- Institute of Molecular Systems Engineering and Advanced Materials (IMSEAM), Heidelberg University, Im Neuenheimer Feld 225, 69120, Heidelberg, Germany
| | - Elisa Genthner
- Zoological Institute, Cell and Neurobiology, Karlsruhe Institute of Technology (KIT), Fritz-Haber-Weg 4, 76131, Karlsruhe, Germany
| | - Carlos Almeida
- Banco Español de Algas (BEA), Universidad de Las Palmas de Gran Canaria (ULPGC), Muelle de Taliarte s/n, Telde, Las Palmas, 35214, Spain
| | - Antera Martel Quintana
- Banco Español de Algas (BEA), Universidad de Las Palmas de Gran Canaria (ULPGC), Muelle de Taliarte s/n, Telde, Las Palmas, 35214, Spain
| | - Martin Bastmeyer
- Zoological Institute, Cell and Neurobiology, Karlsruhe Institute of Technology (KIT), Fritz-Haber-Weg 4, 76131, Karlsruhe, Germany
- Institute for Biological and Chemical Systems - Biological Information Processing (IBCS-BIP), KIT, Hermann-von-Helmholtz-Platz 1, 76344, Eggenstein-Leopoldshafen, Germany
| | - Juan Luis Gómez Pinchetti
- Banco Español de Algas (BEA), Universidad de Las Palmas de Gran Canaria (ULPGC), Muelle de Taliarte s/n, Telde, Las Palmas, 35214, Spain
| | - Eva Blasco
- Institute of Molecular Systems Engineering and Advanced Materials (IMSEAM), Heidelberg University, Im Neuenheimer Feld 225, 69120, Heidelberg, Germany
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Chansoria P, Rizzo R, Rütsche D, Liu H, Delrot P, Zenobi-Wong M. Light from Afield: Fast, High-Resolution, and Layer-Free Deep Vat 3D Printing. Chem Rev 2024; 124:8787-8822. [PMID: 38967405 PMCID: PMC11273351 DOI: 10.1021/acs.chemrev.4c00134] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2024] [Revised: 05/23/2024] [Accepted: 05/24/2024] [Indexed: 07/06/2024]
Abstract
Harnessing light for cross-linking of photoresponsive materials has revolutionized the field of 3D printing. A wide variety of techniques leveraging broad-spectrum light shaping have been introduced as a way to achieve fast and high-resolution printing, with applications ranging from simple prototypes to biomimetic engineered tissues for regenerative medicine. Conventional light-based printing techniques use cross-linking of material in a layer-by-layer fashion to produce complex parts. Only recently, new techniques have emerged which deploy multidirection, tomographic, light-sheet or filamented light-based image projections deep into the volume of resin-filled vat for photoinitiation and cross-linking. These Deep Vat printing (DVP) approaches alleviate the need for layer-wise printing and enable unprecedented fabrication speeds (within a few seconds) with high resolution (>10 μm). Here, we elucidate the physics and chemistry of these processes, their commonalities and differences, as well as their emerging applications in biomedical and non-biomedical fields. Importantly, we highlight their limitations, and future scope of research that will improve the scalability and applicability of these DVP techniques in a wide variety of engineering and regenerative medicine applications.
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Affiliation(s)
- Parth Chansoria
- Department
of Health Sciences and Technology, ETH Zürich, Zürich 8093, Switzerland
| | - Riccardo Rizzo
- John
A. Paulson School of Engineering and Applied Sciences, Harvard University, Boston, Massachusetts 02134, United States
- Wyss
Institute for Biologically Inspired Engineering, Harvard University, Boston, Massachusetts 02215, United States
| | - Dominic Rütsche
- Department
of Bioengineering, Stanford University, Stanford, California 94305, United States
- Basic
Science & Engineering (BASE) Initiative, Stanford University School of Medicine, Stanford, California 94305, United States
| | - Hao Liu
- Department
of Health Sciences and Technology, ETH Zürich, Zürich 8093, Switzerland
| | - Paul Delrot
- Readily3D
SA, EPFL Innovation Park, Lausanne 1015, Switzerland
| | - Marcy Zenobi-Wong
- Department
of Health Sciences and Technology, ETH Zürich, Zürich 8093, Switzerland
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4
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Li R, Guo H, Luo X, Wang Q, Pang Y, Li S, Liu S, Li J, Strehmel B, Chen Z. Type I Photoinitiator Based on Sustainable Carbon Dots. Angew Chem Int Ed Engl 2024; 63:e202404454. [PMID: 38683297 DOI: 10.1002/anie.202404454] [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: 03/04/2024] [Revised: 04/05/2024] [Accepted: 04/22/2024] [Indexed: 05/01/2024]
Abstract
Sustainable carbon dots comprising surficial oxime ester groups following homolytic bond cleavage exhibit potential as photoinitiators for traditional free radical photopolymerization. Carbon dots were made following a solvothermal procedure from sustainable furfural available from lignocellulose. Surficial aldehyde moieties reacted with hydroxylamine to the respective oxime while reaction with benzoyl chloride resulted in a biobased Type I photoinitiator comprising sustainable carbon dot (CD-PI). Photoinitiating ability was compared with the traditional photoinitiator (PI) ethyl (2,4,6-trimethyl benzoyl) phenyl phosphinate (TPO-L) by real-time FTIR with UV exposure at 365 nm. Photopolymer composition based on a mixture of urethane dimethacrylate (UDMA) and tripropylene glycol diacrylate (TPGDA) resulted in a similar final conversion of about 70 % using either CD-PI or TPO-L. Nevertheless, it appeared homogeneous in the case of compositions processed with CD-PI, while those made with TPO-L were heterogeneous as shown by two glass transition temperatures. Moreover, the migration rate of CD-PI in the cured samples was lower in comparison with those samples using TPO-L as PI.
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Affiliation(s)
- Ruiping Li
- Key Laboratory of Bio-based Material Science and Technology of Ministry of Education, Northeast Forestry University, Hexing Road 26, 150040, Harbin, P. R. China
- Heilongjiang International Joint Lab of Advanced Biomass Materials, Northeast Forestry University, Hexing Road 26, 150040, Harbin, China
| | - Hongda Guo
- Key Laboratory of Bio-based Material Science and Technology of Ministry of Education, Northeast Forestry University, Hexing Road 26, 150040, Harbin, P. R. China
| | - Xiongfei Luo
- Key Laboratory of Bio-based Material Science and Technology of Ministry of Education, Northeast Forestry University, Hexing Road 26, 150040, Harbin, P. R. China
| | - Qunying Wang
- Department of Chemistry, Institute for Coatings and Surface Chemistry, Niederrhein University of Applied Sciences, Adlerstr. 1, D-47798, Krefeld, Germany
| | - Yulian Pang
- Hubei Gurun Technology Co., LTD, Jingmen Chemical Recycling Industrial Park, 448000, Jingmen, Hubei Province, P. R. China
| | - Shujun Li
- Key Laboratory of Bio-based Material Science and Technology of Ministry of Education, Northeast Forestry University, Hexing Road 26, 150040, Harbin, P. R. China
| | - Shouxin Liu
- Key Laboratory of Bio-based Material Science and Technology of Ministry of Education, Northeast Forestry University, Hexing Road 26, 150040, Harbin, P. R. China
| | - Jian Li
- Key Laboratory of Bio-based Material Science and Technology of Ministry of Education, Northeast Forestry University, Hexing Road 26, 150040, Harbin, P. R. China
| | - Bernd Strehmel
- Department of Chemistry, Institute for Coatings and Surface Chemistry, Niederrhein University of Applied Sciences, Adlerstr. 1, D-47798, Krefeld, Germany
| | - Zhijun Chen
- Key Laboratory of Bio-based Material Science and Technology of Ministry of Education, Northeast Forestry University, Hexing Road 26, 150040, Harbin, P. R. China
- Heilongjiang International Joint Lab of Advanced Biomass Materials, Northeast Forestry University, Hexing Road 26, 150040, Harbin, China
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Shao Y, He X, Xin Y, Zhang Y, Zhang D, Duan L, Zou Y. New Application of Multiresonance Organic Delayed Fluorescence Dyes: High-Performance Photoinitiating Systems for Acrylate and Epoxy Photopolymerization and Photoluminescent Pattern Preparation. ACS APPLIED MATERIALS & INTERFACES 2024; 16:30344-30354. [PMID: 38819945 DOI: 10.1021/acsami.4c02834] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/02/2024]
Abstract
The primary focus of photopolymerization research is to advance highly efficient visible photoinitiating systems (PISs) as alternatives to conventional ultraviolet (UV) photoinitiators. We developed four multiresonance emitters (BIC-pCz, BNO1, BO-DICz, and TPABO-DICz) to sensitize iodonium salt (Iod) and initiate free-radical and cationic photopolymerization under visible light for the first time. The TPABO-DICz/Iod system achieved a double-bond conversion of over 70% within just 4 s of exposure to green light (520 nm), while the BNO1/Iod system achieved a double-bond conversion exceeding 50% with 10 s of exposure to red light (630 nm). The photochemical properties were studied through thermodynamic research, steady-state photolysis, and electron spin resonance. Photolithography techniques were employed to fabricate photoluminescent films and micrometer-scale patterns utilizing the blue-emitting BIC-pCz dye, showcasing the potential of photolithography in the production of photoluminescent pixels. Additionally, the BIC-pCz/Iod and TPABO-DICz/Iod systems have been employed to rapidly fabricate photoluminescent polymer patterns using a digital-light-processing 3D printer with a low-intensity light (3.2 mW cm-2). These multiresonance emitters show exceptional photosensitizing effects and can act as fluorescent dyes in photoluminescent patterns, highlighting the potential of utilizing photopolymerization for OLED applications.
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Affiliation(s)
- Yayu Shao
- College of Chemistry, Beijing Normal University, Beijing 100875, People's Republic of China
| | - Xianglong He
- College of Chemistry, Beijing Normal University, Beijing 100875, People's Republic of China
| | - Yangyang Xin
- Laboratory of Flexible Electronics Technology, Tsinghua University, Beijing 100084, People's Republic of China
| | - Yuewei Zhang
- Laboratory of Flexible Electronics Technology, Tsinghua University, Beijing 100084, People's Republic of China
| | - Dongdong Zhang
- Laboratory of Flexible Electronics Technology, Tsinghua University, Beijing 100084, People's Republic of China
| | - Lian Duan
- Laboratory of Flexible Electronics Technology, Tsinghua University, Beijing 100084, People's Republic of China
| | - Yingquan Zou
- College of Chemistry, Beijing Normal University, Beijing 100875, People's Republic of China
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Nguyen TTT, Breloy L, Rios De Anda A, Hayek H, Chiappone A, Malval JP, Grande D, Versace DL. Thioxanthone-Based Siloxane Photosensitizer for Cationic/Radical Photopolymerization and Photoinduced Sol-Gel Reactions. Molecules 2024; 29:255. [PMID: 38202842 PMCID: PMC10780806 DOI: 10.3390/molecules29010255] [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: 11/17/2023] [Revised: 12/21/2023] [Accepted: 12/22/2023] [Indexed: 01/12/2024] Open
Abstract
In this investigation, a multifunctional visible-light TX-based photosensitizer containing a siloxane moiety (TXS) was designed with a good overall yield of 54%. The addition of a siloxane moiety enabled the incorporation of a TX photosensitizer into a siloxane network by photoinduced sol-gel chemistry, thus avoiding its release. Both liquid 1H and solid-state 29Si NMR measurements undeniably confirmed the formation of photoacids resulting from the photolysis of the TXS/electron acceptor molecule (Iodonium salt), which promoted the photoinduced hydrolysis/condensation of the trimethoxysilane groups of TXS, with a high degree of condensation of its inorganic network. Notably, the laser flash photolysis, fluorescence, and electron paramagnetic resonance spin-trapping (EPR ST) experiments demonstrated that TXS could react with Iod through an electron transfer reaction through its excited states, leading to the formation of radical initiating species. Interestingly, the TXS/Iod was demonstrated to be an efficient photoinitiating system for free-radical (FRP) and cationic (CP) polymerization under LEDs@385, 405, and 455 nm. In particular, whatever the epoxy monomer mixtures used, remarkable final epoxy conversions were achieved up to 100% under air. In this latter case, we demonstrated that both the photoinduced sol-gel process (hydrolysis of trimethoxysilane groups) and the cationic photopolymerization occurred simultaneously.
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Affiliation(s)
- Thi-Thanh-Tam Nguyen
- University Paris-Est Creteil, CNRS, ICMPE, UMR 7182, 94320 Thiais, France; (T.-T.-T.N.); (A.R.D.A.)
| | - Louise Breloy
- University Paris-Est Creteil, CNRS, ICMPE, UMR 7182, 94320 Thiais, France; (T.-T.-T.N.); (A.R.D.A.)
| | - Agustin Rios De Anda
- University Paris-Est Creteil, CNRS, ICMPE, UMR 7182, 94320 Thiais, France; (T.-T.-T.N.); (A.R.D.A.)
| | - Hassan Hayek
- University Paris-Est Creteil, CNRS, ICMPE, UMR 7182, 94320 Thiais, France; (T.-T.-T.N.); (A.R.D.A.)
| | - Annalisa Chiappone
- Dipartimento di Scienze Chimiche e Geologiche, Università degli Studi di Cagliari, Via Università 40, 09124 Cagliari, Italy
| | - Jean-Pierre Malval
- Institut de Science des Matériaux de Mulhouse, UMR CNRS 7361, Université de Haute Alsace, 15 Rue Jean Starcky, 68057 Mulhouse, France
| | - Daniel Grande
- University Paris-Est Creteil, CNRS, ICMPE, UMR 7182, 94320 Thiais, France; (T.-T.-T.N.); (A.R.D.A.)
| | - Davy-Louis Versace
- University Paris-Est Creteil, CNRS, ICMPE, UMR 7182, 94320 Thiais, France; (T.-T.-T.N.); (A.R.D.A.)
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Xiao Q, Chen P, Chen M, Zhou Y, Li J, Lun Y, Li Q, Ye G. Design of an imaging magnetic microsphere based on photopolymerization for magnetic hyperthermia in tumor therapy. Drug Deliv Transl Res 2023; 13:2664-2676. [PMID: 37130996 DOI: 10.1007/s13346-023-01347-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/06/2023] [Indexed: 05/04/2023]
Abstract
Magnetic hyperthermia therapy has been widely used in the nonsurgical treatment of patients with advanced stage cancers that cannot be treated by surgery. It is minimally invasive, precise, and highly efficient and has a good curative effect. In this paper, a magnetic microsphere with Fe3O4 was prepared for thermal therapy and imaging based on a photoinitiated suspension polymerization method from biallelic monomers. The preparation method clearly minimized the degradative chain transfer of allyl polymerization reactions. The microspheres were characterized by microscope observation, spectral analysis, thermal analysis, and magnetic testing. The magnetothermal effect was detected by an infrared thermal imager in vitro and in vivo under a high-frequency alternating magnetic field (AMF). The antitumor effect was verified by testing the viability of H22 cells and observing a tumor-bearing mouse model under high-frequency AMF. Biocompatibility was evaluated by cell viability assay, tissue section observation, and blood biochemical analysis. The imaging capacity was tested by X-ray, MRI, and CT imaging experiments. The results show that the product has good dispersibility, thermal stability, superparamagnetism, and biocompatibility. Under the action of an AMF, the magnetic hyperthermia effect in tumor-bearing mice was better, and an antitumor effect could be achieved.
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Affiliation(s)
- Qinglin Xiao
- Guangzhou Municipal and Guangdong Provincial Key Laboratory of Molecular Target & Clinical Pharmacology, the NMPA and State Key Laboratory of Respiratory Disease, School of Pharmaceutical Sciences and the Fifth Affiliated Hospital, Guangzhou Medical University, Guangzhou, 511436, China
| | - Piaoyi Chen
- Guangzhou Municipal and Guangdong Provincial Key Laboratory of Molecular Target & Clinical Pharmacology, the NMPA and State Key Laboratory of Respiratory Disease, School of Pharmaceutical Sciences and the Fifth Affiliated Hospital, Guangzhou Medical University, Guangzhou, 511436, China
| | - Mianrong Chen
- Guangzhou Municipal and Guangdong Provincial Key Laboratory of Molecular Target & Clinical Pharmacology, the NMPA and State Key Laboratory of Respiratory Disease, School of Pharmaceutical Sciences and the Fifth Affiliated Hospital, Guangzhou Medical University, Guangzhou, 511436, China
- The Second Affiliated Hospital of Guangzhou Medical University, Guangzhou, 510260, People's Republic of China
| | - Yanfang Zhou
- Guangzhou Municipal and Guangdong Provincial Key Laboratory of Molecular Target & Clinical Pharmacology, the NMPA and State Key Laboratory of Respiratory Disease, School of Pharmaceutical Sciences and the Fifth Affiliated Hospital, Guangzhou Medical University, Guangzhou, 511436, China
| | - Jiesong Li
- Guangzhou Municipal and Guangdong Provincial Key Laboratory of Molecular Target & Clinical Pharmacology, the NMPA and State Key Laboratory of Respiratory Disease, School of Pharmaceutical Sciences and the Fifth Affiliated Hospital, Guangzhou Medical University, Guangzhou, 511436, China
| | - Yingying Lun
- Guangzhou Municipal and Guangdong Provincial Key Laboratory of Molecular Target & Clinical Pharmacology, the NMPA and State Key Laboratory of Respiratory Disease, School of Pharmaceutical Sciences and the Fifth Affiliated Hospital, Guangzhou Medical University, Guangzhou, 511436, China
| | - Qiuxia Li
- Guangzhou Municipal and Guangdong Provincial Key Laboratory of Molecular Target & Clinical Pharmacology, the NMPA and State Key Laboratory of Respiratory Disease, School of Pharmaceutical Sciences and the Fifth Affiliated Hospital, Guangzhou Medical University, Guangzhou, 511436, China
| | - Guodong Ye
- Guangzhou Municipal and Guangdong Provincial Key Laboratory of Molecular Target & Clinical Pharmacology, the NMPA and State Key Laboratory of Respiratory Disease, School of Pharmaceutical Sciences and the Fifth Affiliated Hospital, Guangzhou Medical University, Guangzhou, 511436, China.
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Pacheco K, Aldea-Nunzi G, Pawlicka A, Nunzi JM. The Formation of Volume Transmission Gratings in Acrylamide-Based Photopolymers Using Curcumin as a Long-Wavelength Photosensitizer. Polymers (Basel) 2023; 15:polym15071782. [PMID: 37050396 PMCID: PMC10096970 DOI: 10.3390/polym15071782] [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: 10/25/2022] [Revised: 03/26/2023] [Accepted: 03/30/2023] [Indexed: 04/14/2023] Open
Abstract
Curcumin, a natural dye found in the Curcuma longa rhizome, commonly called turmeric, is used as a photosensitizer in acrylamide-based photopolymers for holographic data storage. We studied the absorbance of photopolymer films that show two absorption bands due to curcumin, acrylamide monomer (AA), and the crosslinking agent N,N'-methylenebisacrylamide (MBA). Analysis of the real-time diffraction efficiency of these films shows a maximum of 16% for the sample with the highest curcumin concentration. Moreover, increasing the curcumin load enhanced the refractive index contrast from 7.8 × 10-4 for the photopolymer with the lowest curcumin load to 1.1 × 10-3 for the photopolymer with the largest load. The sensitivity and diffraction efficiency of the recorded gratings also increased from 7.0 to 9.8 cm·J-1 and from 7.9 to 16% with the increase in curcumin load, respectively. Finally, the influence of NaOH on the photopolymerization of the AA-curcumin-based sample shows a diffraction efficiency increase with the NaOH content, revealing that the curcumin enol form is more efficient as a photosensitizer.
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Affiliation(s)
| | | | - Agnieszka Pawlicka
- Instituto de Química de São Carlos, Universidade de São Paulo, Av. Trabalhador Sãocarlense 400, São Carlos 13566-590, SP, Brazil
| | - Jean-Michel Nunzi
- Department of Chemistry, Queen's University, Kingston, ON K7L 3N6, Canada
- Department of Physics, Engineering Physics and Astronomy, Queen's University, Kingston, ON K7L 3N6, Canada
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9
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Filho ACD, de Jesus Soares J, Carriço MRS, Viçozi GP, Flores WH, Denardin CC, Roehrs R, Denardin ELG. Green synthesis silver nanoparticles Bougainvillea glabra Choisy/LED light with high catalytic activity in the removal of methylene blue aqueous solution. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:36244-36258. [PMID: 36547835 DOI: 10.1007/s11356-022-24633-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/03/2022] [Accepted: 12/02/2022] [Indexed: 06/17/2023]
Abstract
In this study, we evaluated, in a pioneering way, the influence of wavelengths from the decomposition of white light on the production and physicochemical properties of silver nanoparticles (AgNPs). Bearing in mind a process of green synthesis, an extract of the bracts of Bougainvillea glabra Choisy (BgC) was used, a species native to tropical and subtropical regions and frequently used in ornamentation, possessing in its photochemical composition, biomolecules capable of acting as reducing agents for convert Ag+ to Ag0. We used light-emitting diodes (LED) to obtain the desired wavelengths (violet, blue, green, yellow, orange, and red) in the test called rainbow, and we evaluated the obtaining of AgNPs compared to white LED light, nature, and absence of light. In the rainbow assay, we obtained a gradual increase in the intensity of the plasmonic band resonance from the red wavelength (0.124 ± 0.067 a.u.) to violet (0.680 ± 0.199 a.u.), indicating a higher reaction yield in obtaining AgNPs. Smaller hydrodynamic sizes (approximately 150 nm) at more energetic wavelengths (violet, blue, and green) about less energetic wavelengths (yellow, orange, and red) (approximately 400 nm) were obtained. Analysis by SEM microscopy, FTIR spectroscopy, and X-ray diffraction indicates the presence of silver nanoparticles in all LED colors used together with white LED light and Laboratory light (natural light). Due to the high environmental demand to remove pollutants from water sources, including textile dyes, we applied AgNPs/BgC to remove methylene blue (MB) dye from an aqueous solution. A minimum removal percentage greater than 65%, with emphasis on formulations synthesized by the colors of violet LED (84.27 ± 2.65%) and orange LED (85.91 ± 1.95%), was obtained.
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Affiliation(s)
- Augusto Cezar Dotta Filho
- Laboratório de Estudos Físico-Químicos E Produtos Naturais (LEFQPN), Campus Uruguaiana, Universidade Federal Do Pampa, P. Box: 118, Uruguaiana, RS, CEP 97500-970, Brazil
| | - Jefferson de Jesus Soares
- Laboratório de Estudos Físico-Químicos E Produtos Naturais (LEFQPN), Campus Uruguaiana, Universidade Federal Do Pampa, P. Box: 118, Uruguaiana, RS, CEP 97500-970, Brazil
| | - Murilo Ricardo Sigal Carriço
- Laboratório de Análises Químicas Ambientais E Toxicológicas (LAQAT), Campus Uruguaiana, Universidade Federal Do Pampa, P. Box: 118, Uruguaiana, RS, CEP 97500-970, Brazil
| | - Gabriel Pedroso Viçozi
- Universidade Federal Do Pampa, Campus Uruguaiana, P. Box: 118, Uruguaiana, RS, CEP 97500-970, Brazil
| | | | - Cristiane Casagrande Denardin
- Grupo de Pesquisa Em Bioquímica E Toxicologia Em Compostos Bioativos, Campus Uruguaiana, Universidade Federal Do Pampa, P. Box: 118, Uruguaiana, RS, CEP 97500-970, Brazil
| | - Rafael Roehrs
- Laboratório de Análises Químicas Ambientais E Toxicológicas (LAQAT), Campus Uruguaiana, Universidade Federal Do Pampa, P. Box: 118, Uruguaiana, RS, CEP 97500-970, Brazil
| | - Elton Luís Gasparotto Denardin
- Laboratório de Estudos Físico-Químicos E Produtos Naturais (LEFQPN), Campus Uruguaiana, Universidade Federal Do Pampa, P. Box: 118, Uruguaiana, RS, CEP 97500-970, Brazil.
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10
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Dumur F. Recent Advances on Anthraquinone-based Photoinitiators of Polymerization. Eur Polym J 2023. [DOI: 10.1016/j.eurpolymj.2023.112039] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/30/2023]
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Recent Advances on Furan-Based Visible Light Photoinitiators of Polymerization. Catalysts 2023. [DOI: 10.3390/catal13030493] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/04/2023] Open
Abstract
Photopolymerization is an active research field enabling to polymerize in greener conditions than that performed with traditional thermal polymerization. At present, a great deal of effort is devoted to developing visible light photoinitiating systems. Indeed, the traditional UV photoinitiating systems are currently the focus of numerous safety concerns so alternatives to UV light are being actively researched. However, visible light photons are less energetic than UV photons so the reactivity of the photoinitiating systems should be improved to address this issue. In this field, furane constitutes an interesting candidate for the design of photocatalysts of polymerization due to its low cost and its easy chemical modification. In this review, an overview concerning the design of furane-based photoinitiators is provided. Comparisons with reference systems are also established to demonstrate evidence of the interest of these photoinitiators in innovative structures.
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Latest Advances in Highly Efficient Dye-Based Photoinitiating Systems for Radical Polymerization. Polymers (Basel) 2023; 15:polym15051148. [PMID: 36904388 PMCID: PMC10007623 DOI: 10.3390/polym15051148] [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: 01/19/2023] [Revised: 02/18/2023] [Accepted: 02/21/2023] [Indexed: 03/03/2023] Open
Abstract
Light-activated polymerization is one of the most important and powerful strategies for fabrication of various types of advanced polymer materials. Because of many advantages, such as economy, efficiency, energy saving and being environmentally friendly, etc., photopolymerization is commonly used in different fields of science and technology. Generally, the initiation of polymerization reactions requires not only light energy but also the presence of a suitable photoinitiator (PI) in the photocurable composition. In recent years, dye-based photoinitiating systems have revolutionized and conquered the global market of innovative PIs. Since then, numerous photoinitiators for radical polymerization containing different organic dyes as light absorbers have been proposed. However, despite the large number of initiators designed, this topic is still relevant today. The interest towards dye-based photoinitiating systems continues to gain in importance, which is related to the need for new initiators capable of effectively initiating chain reactions under mild conditions. In this paper we present the most important information about photoinitiated radical polymerization. We describe the main directions for the application of this technique in various areas. Attention is mainly focused on the review of high-performance radical photoinitiators containing different sensitizers. Moreover, we present our latest achievements in the field of modern dye-based photoinitiating systems for the radical polymerization of acrylates.
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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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Bao B, You J, Li D, Zhan H, Zhang L, Li M, Wang T. Double benzylidene ketones as photoinitiators for visible light photopolymerization. J Photochem Photobiol A Chem 2022. [DOI: 10.1016/j.jphotochem.2022.113938] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
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Liu Z, Dumur F. Recent Advances on Visible Light Coumarin-based Oxime Esters as Initiators of Polymerization. Eur Polym J 2022. [DOI: 10.1016/j.eurpolymj.2022.111449] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
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Gallastegui A, Dominguez-Alfaro A, Lezama L, Alegret N, Prato M, Gómez ML, Mecerreyes D. Fast Visible-Light Photopolymerization in the Presence of Multiwalled Carbon Nanotubes: Toward 3D Printing Conducting Nanocomposites. ACS Macro Lett 2022; 11:303-309. [PMID: 35575369 PMCID: PMC8928478 DOI: 10.1021/acsmacrolett.1c00758] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/05/2022]
Abstract
A new photoinitiator system (PIS) based on riboflavin (Rf), triethanolamine, and multiwalled carbon nanobutes (MWCNTs) is presented for visible-light-induced photopolymerization of acrylic monomers. Using this PIS, photopolymerization of acrylamide and other acrylic monomers was quantitative in seconds. The intervention mechanism of CNTs in the PIS was studied deeply, proposing a surface interaction of MWCNTs with Rf which favors the radical generation and the initiation step. As a result, polyacrylamide/MWCNT hydrogel nanocomposites could be obtained with varying amounts of CNTs showing excellent mechanical, thermal, and electrical properties. The presence of the MWCNTs negatively influences the swelling properties of the hydrogel but significantly improves its mechanical properties (Young modulus values) and electric conductivity. The new PIS was tested for 3D printing in a LCD 3D printer. Due to the fast polymerizations, 3D-printed objects based on the conductive polyacrylamide/CNT nanocomposites could be manufactured in minutes.
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Affiliation(s)
- Antonela Gallastegui
- POLYMAT, University of the Basque Country UPV/EHU, Avenida Tolosa 72, 20018 Donostia-San Sebastian, Gipuzkoa, Spain
| | - Antonio Dominguez-Alfaro
- POLYMAT, University of the Basque Country UPV/EHU, Avenida Tolosa 72, 20018 Donostia-San Sebastian, Gipuzkoa, Spain
- Center for Cooperative Research in Biomaterials (CIC biomaGUNE), Basque Research and Technology Alliance (BRTA), 20014 Donostia-San Sebastián, Spain
| | - Luis Lezama
- Departamento de Química Inorgánica, Facultad de Ciencias, UPV/EHU, Aptdo. 644, 48015 Bilbao, Spain
| | - Nuria Alegret
- Center for Cooperative Research in Biomaterials (CIC biomaGUNE), Basque Research and Technology Alliance (BRTA), 20014 Donostia-San Sebastián, Spain
| | - Maurizio Prato
- Center for Cooperative Research in Biomaterials (CIC biomaGUNE), Basque Research and Technology Alliance (BRTA), 20014 Donostia-San Sebastián, Spain
- Department of Chemical and Pharmaceutical Sciences, INSTM Unit of Trieste, University of Trieste, Via L. Giorgieri 1, 34127 Trieste, Italy
- IKERBASQUE, Basque Foundation for Science, 48009 Bilbao, Spain
| | - María L Gómez
- Instituto de Investigaciones en Tecnologías Energéticas y Materiales Avanzados (IITEMA) and Consejo Nacional de Investigaciones Científicas y Tecnológicas (CONICET), Campus Universitario, 5800 Universidad Nacional de Rio Cuarto, X5804 Rio Cuarto, Argentina
| | - David Mecerreyes
- POLYMAT, University of the Basque Country UPV/EHU, Avenida Tolosa 72, 20018 Donostia-San Sebastian, Gipuzkoa, Spain
- IKERBASQUE, Basque Foundation for Science, 48009 Bilbao, Spain
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Novel Developments on Stimuli-Responsive Probiotic Encapsulates: From Smart Hydrogels to Nanostructured Platforms. FERMENTATION 2022. [DOI: 10.3390/fermentation8030117] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
Abstract
Biomaterials engineering and biotechnology have advanced significantly towards probiotic encapsulation with encouraging results in assuring sufficient bioactivity. However, some major challenges remain to be addressed, and these include maintaining stability in different compartments of the gastrointestinal tract (GIT), favoring adhesion only at the site of action, and increasing residence times. An alternative to addressing such challenges is to manufacture encapsulates with stimuli-responsive polymers, such that controlled release is achievable by incorporating moieties that respond to chemical and physical stimuli present along the GIT. This review highlights, therefore, such emerging delivery matrices going from a comprehensive description of addressable stimuli in each GIT compartment to novel synthesis and functionalization techniques to currently employed materials used for probiotic’s encapsulation and achieving multi-modal delivery and multi-stimuli responses. Next, we explored the routes for encapsulates design to enhance their performance in terms of degradation kinetics, adsorption, and mucus and gut microbiome interactions. Finally, we present the clinical perspectives of implementing novel probiotics and the challenges to assure scalability and cost-effectiveness, prerequisites for an eventual niche market penetration.
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Pierau L, Elian C, Akimoto J, Ito Y, Caillol S, Versace DL. Bio-sourced Monomers and Cationic Photopolymerization: The Green combination towards Eco-Friendly and Non-Toxic Materials. Prog Polym Sci 2022. [DOI: 10.1016/j.progpolymsci.2022.101517] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
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21
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Balcerak A, Kabatc J. Recent progress in the development of highly active dyeing photoinitiators based on 1,3-bis(p-substituted phenylamino)squaraines for radical polymerization of acrylates. Polym Chem 2022. [DOI: 10.1039/d1py01519b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The photopolymerization is a very popular technique used in the production of various polymeric materials. The key role in the light induced polymerization processes plays a photoinitiator. One of the...
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Zaborniak I, Chmielarz P. Comestible curcumin: From kitchen to polymer chemistry as a photocatalyst in metal-free ATRP of (meth)acrylates. J IND ENG CHEM 2022. [DOI: 10.1016/j.jiec.2021.10.001] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
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Versace DL, Breloy L, Palierse E, Coradin T. Contributions of photochemistry to bio-based antibacterial polymer materials. J Mater Chem B 2021; 9:9624-9641. [PMID: 34807217 DOI: 10.1039/d1tb01801a] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Surgical site infections constitute a major health concern that may be addressed by conferring antibacterial properties to surgical tools and medical devices via functional coatings. Bio-sourced polymers are particularly well-suited to prepare such coatings as they are usually safe and can exhibit intrinsic antibacterial properties or serve as hosts for bactericidal agents. The goal of this Review is to highlight the unique contribution of photochemistry as a green and mild methodology for the development of such bio-based antibacterial materials. Photo-generation and photo-activation of bactericidal materials are illustrated. Recent efforts and current challenges to optimize the sustainability of the process, improve the safety of the materials and extend these strategies to 3D biomaterials are also emphasized.
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Affiliation(s)
- Davy-Louis Versace
- Institut de Chimie et des Matériaux Paris-Est (ICMPE, UMR-CNRS 7182), 2-8 rue Henri Dunant, 94320 Thiais, France.
| | - Louise Breloy
- Institut de Chimie et des Matériaux Paris-Est (ICMPE, UMR-CNRS 7182), 2-8 rue Henri Dunant, 94320 Thiais, France.
| | - Estelle Palierse
- Sorbonne Université, CNRS, Laboratoire de Chimie de la Matière Condensée de Paris (LCMCP), UMR 7574, 4 place Jussieu, 75005 Paris, France. .,Sorbonne Université, CNRS, Laboratoire de Réactivité de Surface (LRS), UMR 7197, 4 place Jussieu, 75005 Paris, France
| | - Thibaud Coradin
- Sorbonne Université, CNRS, Laboratoire de Chimie de la Matière Condensée de Paris (LCMCP), UMR 7574, 4 place Jussieu, 75005 Paris, France.
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Camphorquinone Promotes the Antisenescence Effect via Activating AMPK/SIRT1 in Stem Cells and D-Galactose-Induced Aging Mice. Antioxidants (Basel) 2021; 10:antiox10121916. [PMID: 34943019 PMCID: PMC8750771 DOI: 10.3390/antiox10121916] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2021] [Revised: 11/26/2021] [Accepted: 11/27/2021] [Indexed: 01/10/2023] Open
Abstract
Terpenoids are a wide class of secondary metabolites with geroprotective properties that can alter the mechanism of aging and aging-related diseases. Camphorquinone (CQ) is a bicyclic monoterpenoid compound that can be efficiently synthesized through the continuous bromination and oxidation reaction of camphor. The purpose of this study is to investigate the effects of CQ on oxidative-stress-induced senescence and its underlying mechanisms. To generate oxidative stress in human bone marrow mesenchymal stem cells (hBM-MSCs) and mice, we used hydrogen peroxide (200 μM twice) and D-galactose (D-Gal) (150 mg/kg for 10 weeks), respectively. Our findings suggest that CQ potentially reduces senescence in hBM-MSCs and mouse heart tissue. In addition, we found that CQ boosted AMPK/SIRT1 activation and autophagy in both models. These results were subsequently verified in hBM-MSCs using compound C (an AMPK inhibitor) but AMPK inhibition by CC did not significantly reduce the SIRT1 and the autophagy markers. CQ treatment also reduced the gene expression of inflammation markers in D-Gal-induced aging mouse heart tissue. Furthermore, we determined that CQ fits all of the pharmacological parameters using the freely available SwissADME Web tool. Collectively, our findings demonstrate that CQ possesses antisenescence and cardioprotective properties, and that oxidative-stress-induced senescence could be suppressed by AMPK/SIRT1 and autophagy mechanisms.
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A new acrylated monomer from macaw vegetable oil that polymerizes without external photoinitiators. JOURNAL OF POLYMER RESEARCH 2021. [DOI: 10.1007/s10965-021-02787-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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Giacoletto N, Dumur F. Recent Advances in bis-Chalcone-Based Photoinitiators of Polymerization: From Mechanistic Investigations to Applications. Molecules 2021; 26:3192. [PMID: 34073491 PMCID: PMC8199041 DOI: 10.3390/molecules26113192] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2021] [Revised: 05/22/2021] [Accepted: 05/23/2021] [Indexed: 02/01/2023] Open
Abstract
Over the past several decades, photopolymerization has become an active research field, and the ongoing efforts to develop new photoinitiating systems are supported by the different applications in which this polymerization technique is involved-including dentistry, 3D and 4D printing, adhesives, and laser writing. In the search for new structures, bis-chalcones that combine two chalcones' moieties within a unique structure were determined as being promising photosensitizers to initiate both the free-radical polymerization of acrylates and the cationic polymerization of epoxides. In this review, an overview of the different bis-chalcones reported to date is provided. Parallel to the mechanistic investigations aiming at elucidating the polymerization mechanisms, bis-chalcones-based photoinitiating systems were used for different applications, which are detailed in this review.
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Affiliation(s)
| | - Frédéric Dumur
- Aix Marseille Univ, CNRS, ICR UMR 7273, F-13397 Marseille, France
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Gallastegui A, Zambroni ME, Chesta CA, Palacios RE, Gómez ML. New bifunctional cross-linkers / co-initiators for vinyl photopolymerization: Silsesquioxanes - B2 vitamin as eco-friendly hybrid photoinitiator systems. POLYMER 2021. [DOI: 10.1016/j.polymer.2021.123605] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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