1
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Synthesis of polymer networks by means of addition reactions of tri-amine and poly(ethylene glycol) diacrylate or diglycidyl ether compounds. Polym Bull (Berl) 2021. [DOI: 10.1007/s00289-020-03241-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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2
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Yu C, Schimelman J, Wang P, Miller KL, Ma X, You S, Guan J, Sun B, Zhu W, Chen S. Photopolymerizable Biomaterials and Light-Based 3D Printing Strategies for Biomedical Applications. Chem Rev 2020; 120:10695-10743. [PMID: 32323975 PMCID: PMC7572843 DOI: 10.1021/acs.chemrev.9b00810] [Citation(s) in RCA: 193] [Impact Index Per Article: 48.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Since the advent of additive manufacturing, known commonly as 3D printing, this technology has revolutionized the biofabrication landscape and driven numerous pivotal advancements in tissue engineering and regenerative medicine. Many 3D printing methods were developed in short course after Charles Hull first introduced the power of stereolithography to the world. However, materials development was not met with the same enthusiasm and remained the bottleneck in the field for some time. Only in the past decade has there been deliberate development to expand the materials toolbox for 3D printing applications to meet the true potential of 3D printing technologies. Herein, we review the development of biomaterials suited for light-based 3D printing modalities with an emphasis on bioprinting applications. We discuss the chemical mechanisms that govern photopolymerization and highlight the application of natural, synthetic, and composite biomaterials as 3D printed hydrogels. Because the quality of a 3D printed construct is highly dependent on both the material properties and processing technique, we included a final section on the theoretical and practical aspects behind light-based 3D printing as well as ways to employ that knowledge to troubleshoot and standardize the optimization of printing parameters.
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Affiliation(s)
- Claire Yu
- Department of NanoEngineering, University of California San Diego, 9500 Gilman Drive, La Jolla, California 92093, United States
| | - Jacob Schimelman
- Department of NanoEngineering, University of California San Diego, 9500 Gilman Drive, La Jolla, California 92093, United States
| | - Pengrui Wang
- Materials Science and Engineering Program, University of California San Diego, 9500 Gilman Drive, La Jolla, California 92093, United States
| | - Kathleen L Miller
- Department of NanoEngineering, University of California San Diego, 9500 Gilman Drive, La Jolla, California 92093, United States
| | - Xuanyi Ma
- Department of Bioengineering, University of California San Diego, 9500 Gilman Drive, La Jolla, California 92093, United States
| | - Shangting You
- Department of NanoEngineering, University of California San Diego, 9500 Gilman Drive, La Jolla, California 92093, United States
| | - Jiaao Guan
- Department of Electrical and Computer Engineering, University of California San Diego, 9500 Gilman Drive, La Jolla, California 92093, United States
| | - Bingjie Sun
- Department of NanoEngineering, University of California San Diego, 9500 Gilman Drive, La Jolla, California 92093, United States
| | - Wei Zhu
- Department of NanoEngineering, University of California San Diego, 9500 Gilman Drive, La Jolla, California 92093, United States
| | - Shaochen Chen
- Department of NanoEngineering, University of California San Diego, 9500 Gilman Drive, La Jolla, California 92093, United States
- Materials Science and Engineering Program, University of California San Diego, 9500 Gilman Drive, La Jolla, California 92093, United States
- Department of Bioengineering, University of California San Diego, 9500 Gilman Drive, La Jolla, California 92093, United States
- Chemical Engineering Program, University of California San Diego, 9500 Gilman Drive, La Jolla, California 92093, United States
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3
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Naga N, Sato M, Mori K, Nageh H, Nakano T. Synthesis of Network Polymers by Means of Addition Reactions of Multifunctional-Amine and Poly(ethylene glycol) Diglycidyl Ether or Diacrylate Compounds. Polymers (Basel) 2020; 12:E2047. [PMID: 32911796 PMCID: PMC7570363 DOI: 10.3390/polym12092047] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2020] [Revised: 09/01/2020] [Accepted: 09/03/2020] [Indexed: 12/11/2022] Open
Abstract
Addition reactions of multi-functional amine, polyethylene imine (PEI) or diethylenetriamine (DETA), and poly(ethylene glycol) diglycidyl ether (PEGDE) or poly(ethylene glycol) diacrylate (PEGDA), have been investigated to obtain network polymers in H2O, dimethyl sulfoxide (DMSO), and ethanol (EtOH). Ring opening addition reaction of the multi-functional amine and PEGDE in H2O at room temperature or in DMSO at 90 °C using triphenylphosphine as a catalyst yielded gels. Aza-Michael addition reaction of the multi-functional amine and PEGDA in DMSO or EtOH at room temperature also yielded corresponding gels. Compression test of the gels obtained with PEI showed higher Young's modulus than those with DETA. The reactions of the multi-functional amine and low molecular weight PEGDA in EtOH under the specific conditions yielded porous polymers induced by phase separation during the network formation. The morphology of the porous polymers could be controlled by the reaction conditions, especially monomer concentration and feed ratio of the multi-functional amine to PEGDA of the reaction system. The porous structure was formed by connected spheres or a co-continuous monolithic structure. The porous polymers were unbreakable by compression, and their Young's modulus increased with the increase in the monomer concentration of the reaction systems. The porous polymers absorbed various solvents derived from high affinity between the polyethylene glycol units in the network structure and the solvents.
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Affiliation(s)
- Naofumi Naga
- Department of Applied Chemistry, College of Engineering, Shibaura Institute of Technology, 3-7-5 Toyosu, Koto-ku, Tokyo 135-8548, Japan;
- Graduate School of Science & Engineering, Shibaura Institute of Technology, 3-7-5 Toyosu, Koto-ku, Tokyo 135-8548, Japan;
| | - Mitsusuke Sato
- Graduate School of Science & Engineering, Shibaura Institute of Technology, 3-7-5 Toyosu, Koto-ku, Tokyo 135-8548, Japan;
| | - Kensuke Mori
- Department of Applied Chemistry, College of Engineering, Shibaura Institute of Technology, 3-7-5 Toyosu, Koto-ku, Tokyo 135-8548, Japan;
| | - Hassan Nageh
- Institute for Catalysis and Graduate School of Chemical Sciences and Engineering, Hokkaido University, N 21, W 10, Kita-ku Sapporo 001-0021, Japan; (H.N.); (T.N.)
| | - Tamaki Nakano
- Institute for Catalysis and Graduate School of Chemical Sciences and Engineering, Hokkaido University, N 21, W 10, Kita-ku Sapporo 001-0021, Japan; (H.N.); (T.N.)
- Integrated Research Consortium on Chemical Sciences, Institute for Catalysis, Hokkaido University, N 21, W 10, Kita-ku Sapporo 001-0021, Japan
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4
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Macdougall LJ, Pérez-Madrigal MM, Shaw JE, Inam M, Hoyland JA, O'Reilly R, Richardson SM, Dove AP. Self-healing, stretchable and robust interpenetrating network hydrogels. Biomater Sci 2018; 6:2932-2937. [DOI: 10.1039/c8bm00872h] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
A self-healable, mechanically strong and stretchable hydrogel network that supports cell encapsulation is reported to be achieved by creation of an interpenetrating network approach between PEG and natural polymers.
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Affiliation(s)
| | | | - Joshua E. Shaw
- Division of Cell Matrix Biology and Regenerative Medicine
- School of Biological Sciences
- Faculty of Biology
- Medicine and Health
- Manchester Academic Health Science Centre
| | - Maria Inam
- Department of Chemistry
- University of Warwick
- Coventry
- UK
| | - Judith A. Hoyland
- Division of Cell Matrix Biology and Regenerative Medicine
- School of Biological Sciences
- Faculty of Biology
- Medicine and Health
- Manchester Academic Health Science Centre
| | | | - Stephen M. Richardson
- Division of Cell Matrix Biology and Regenerative Medicine
- School of Biological Sciences
- Faculty of Biology
- Medicine and Health
- Manchester Academic Health Science Centre
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5
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Wang Y, Yu H, Yang H, Hao X, Tang Q, Zhang X. An Injectable Interpenetrating Polymer Network Hydrogel with Tunable Mechanical Properties and Self-Healing Abilities. MACROMOL CHEM PHYS 2017. [DOI: 10.1002/macp.201700348] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Affiliation(s)
- Yanan Wang
- CAS Key Laboratory of Soft Matter Chemistry; School of Chemistry and Materials Science; University of Science and Technology of China; Hefei 230026 China
| | - Hansen Yu
- CAS Key Laboratory of Soft Matter Chemistry; School of Chemistry and Materials Science; University of Science and Technology of China; Hefei 230026 China
| | - Haiyang Yang
- CAS Key Laboratory of Soft Matter Chemistry; School of Chemistry and Materials Science; University of Science and Technology of China; Hefei 230026 China
| | - Xiang Hao
- Department of Macromolecular Science; Key Laboratory of Molecular Engineering of Polymers of the Education Ministry of China; Fudan University; Shanghai 200433 China
| | - Quan Tang
- CAS Key Laboratory of Soft Matter Chemistry; School of Chemistry and Materials Science; University of Science and Technology of China; Hefei 230026 China
| | - Xingyuan Zhang
- CAS Key Laboratory of Soft Matter Chemistry; School of Chemistry and Materials Science; University of Science and Technology of China; Hefei 230026 China
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Kharkar PM, Rehmann MS, Skeens KM, Maverakis E, Kloxin AM. Thiol-ene click hydrogels for therapeutic delivery. ACS Biomater Sci Eng 2016; 2:165-179. [PMID: 28361125 PMCID: PMC5369354 DOI: 10.1021/acsbiomaterials.5b00420] [Citation(s) in RCA: 135] [Impact Index Per Article: 16.9] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Hydrogels are of growing interest for the delivery of therapeutics to specific sites in the body. For use as a delivery vehicle, hydrophilic precursors are usually laden with bioactive moieties and then directly injected to the site of interest for in situ gel formation and controlled release dictated by precursor design. Hydrogels formed by thiol-ene click reactions are attractive for local controlled release of therapeutics owing to their rapid reaction rate and efficiency under mild aqueous conditions, enabling in situ formation of gels with tunable properties often responsive to environmental cues. Herein, we will review the wide range of applications for thiol-ene hydrogels, from the prolonged release of anti-inflammatory drugs in the spine to the release of protein-based therapeutics in response to cell-secreted enzymes, with a focus on their clinical relevance. We will also provide a brief overview of thiol-ene click chemistry and discuss the available alkene chemistries pertinent to macromolecule functionalization and hydrogel formation. These chemistries include functional groups susceptible to Michael type reactions relevant for injection and radically-mediated reactions for greater temporal control of formation at sites of interest using light. Additionally, mechanisms for the encapsulation and controlled release of therapeutic cargoes are reviewed, including i) tuning the mesh size of the hydrogel initially and temporally for cargo entrapment and release and ii) covalent tethering of the cargo with degradable linkers or affinity binding sequences to mediate release. Finally, myriad thiol-ene hydrogels and their specific applications also are discussed to give a sampling of the current and future utilization of this chemistry for delivery of therapeutics, such as small molecule drugs, peptides, and biologics.
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Affiliation(s)
- Prathamesh M. Kharkar
- Department of Materials Science and Engineering, University of Delaware, 201 DuPont Hall, Newark, DE 19716, USA
| | - Matthew S. Rehmann
- Department of Chemical and Biomolecular Engineering, University of Delaware, 150 Academy Street, Newark, DE 19716, USA
| | - Kelsi M. Skeens
- Department of Chemical and Biomolecular Engineering, University of Delaware, 150 Academy Street, Newark, DE 19716, USA
| | - Emanual Maverakis
- Department of Dermatology, School of Medicine, University of California, Davis, 3301 C St, Suite 1400, Sacramento, CA 95816, USA
| | - April M. Kloxin
- Department of Materials Science and Engineering, University of Delaware, 201 DuPont Hall, Newark, DE 19716, USA
- Department of Chemical and Biomolecular Engineering, University of Delaware, 150 Academy Street, Newark, DE 19716, USA
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7
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Zhou C, Truong VX, Qu Y, Lithgow T, Fu G, Forsythe JS. Antibacterial poly(ethylene glycol) hydrogels from combined epoxy-amine and thiol-ene click reaction. ACTA ACUST UNITED AC 2015. [DOI: 10.1002/pola.27886] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Affiliation(s)
- Chao Zhou
- School of Chemistry and Chemical Engineering; Southeast University; Nanjing Jiangsu Province 211189 China
- Department of Materials Science and Engineering, Monash Institute of Medical Engineering; Monash University; Clayton Victoria 3800 Australia
| | - Vinh X. Truong
- Department of Materials Science and Engineering, Monash Institute of Medical Engineering; Monash University; Clayton Victoria 3800 Australia
| | - Yue Qu
- Department of Microbiology & Department of Biochemistry and Molecular Biology; Monash University; Clayton Victoria 3800 Australia
| | - Trevor Lithgow
- Department of Microbiology & Department of Biochemistry and Molecular Biology; Monash University; Clayton Victoria 3800 Australia
| | - Guodong Fu
- School of Chemistry and Chemical Engineering; Southeast University; Nanjing Jiangsu Province 211189 China
| | - John S. Forsythe
- Department of Materials Science and Engineering, Monash Institute of Medical Engineering; Monash University; Clayton Victoria 3800 Australia
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8
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Kusuma VA, Roth EA, Clafshenkel WP, Klara SS, Zhou X, Venna SR, Albenze E, Luebke DR, Mauter MS, Koepsel RR, Russell AJ, Hopkinson D, Nulwala HB. Crosslinked poly(ethylene oxide) containing siloxanes fabricated through thiol‐ene photochemistry. ACTA ACUST UNITED AC 2015. [DOI: 10.1002/pola.27594] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Affiliation(s)
- Victor A. Kusuma
- U.S. Department of Energy, National Energy Technology Laboratory626 Cochrans Mill Rd.Pittsburgh Pennsylvania15236
| | - Elliot A. Roth
- U.S. Department of Energy, National Energy Technology Laboratory626 Cochrans Mill Rd.Pittsburgh Pennsylvania15236
| | - William P. Clafshenkel
- Institute for Complex Engineered SystemsCarnegie Mellon University4400 Fifth AvenuePittsburgh Pennsylvania15213
| | - Steven S. Klara
- Department of Chemical EngineeringCarnegie Mellon University5000 Forbes AvenuePittsburgh Pennsylvania15213
| | - Xu Zhou
- U.S. Department of Energy, National Energy Technology Laboratory626 Cochrans Mill Rd.Pittsburgh Pennsylvania15236
| | - Surendar R. Venna
- U.S. Department of Energy, National Energy Technology Laboratory626 Cochrans Mill Rd.Pittsburgh Pennsylvania15236
| | - Erik Albenze
- U.S. Department of Energy, National Energy Technology Laboratory626 Cochrans Mill Rd.Pittsburgh Pennsylvania15236
| | - David R. Luebke
- U.S. Department of Energy, National Energy Technology Laboratory626 Cochrans Mill Rd.Pittsburgh Pennsylvania15236
| | - Meagan S. Mauter
- Department of Chemical EngineeringCarnegie Mellon University5000 Forbes AvenuePittsburgh Pennsylvania15213
| | - Richard R. Koepsel
- Institute for Complex Engineered SystemsCarnegie Mellon University4400 Fifth AvenuePittsburgh Pennsylvania15213
| | - Alan J. Russell
- Institute for Complex Engineered SystemsCarnegie Mellon University4400 Fifth AvenuePittsburgh Pennsylvania15213
| | - David Hopkinson
- U.S. Department of Energy, National Energy Technology Laboratory626 Cochrans Mill Rd.Pittsburgh Pennsylvania15236
| | - Hunaid B. Nulwala
- U.S. Department of Energy, National Energy Technology Laboratory626 Cochrans Mill Rd.Pittsburgh Pennsylvania15236
- Department of ChemistryCarnegie Mellon University4400 Fifth AvenuePittsburgh Pennsylvania15213
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9
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Abdali Z, Yeganeh H, Solouk A, Gharibi R, Sorayya M. Thermoresponsive antimicrobial wound dressings via simultaneous thiol-ene polymerization and in situ generation of silver nanoparticles. RSC Adv 2015. [DOI: 10.1039/c5ra11618j] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Thermoresponsive and antimicrobial wound dressing via thiol-ene polymerization reaction.
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Affiliation(s)
- Zahra Abdali
- Biomedical Engineering Faculty
- Amirkabir University of Technology
- Tehran
- Iran
| | | | - Atefeh Solouk
- Biomedical Engineering Faculty
- Amirkabir University of Technology
- Tehran
- Iran
| | - Reza Gharibi
- Iran Polymer and Petrochemical Institute
- Tehran
- Iran
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10
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Selvam S, Pithapuram MV, Victor SP, Muthu J. Injectable in situ forming xylitol-PEG-based hydrogels for cell encapsulation and delivery. Colloids Surf B Biointerfaces 2014; 126:35-43. [PMID: 25543981 DOI: 10.1016/j.colsurfb.2014.11.043] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2014] [Revised: 11/04/2014] [Accepted: 11/26/2014] [Indexed: 11/08/2022]
Abstract
Injectable in situ crosslinking hydrogels offer unique advantages over conventional prefabricated hydrogel methodologies. Herein, we synthesize poly(xylitol-co-maleate-co-PEG) (pXMP) macromers and evaluate their performance as injectable cell carriers for tissue engineering applications. The designed pXMP elastomers were non-toxic and water-soluble with viscosity values permissible for subcutaneous injectable systems. pXMP-based hydrogels prepared via free radical polymerization with acrylic acid as crosslinker possessed high crosslink density and exhibited a broad range of compressive moduli that could match the natural mechanical environment of various native tissues. The hydrogels displayed controlled degradability and exhibited gradual increase in matrix porosity upon degradation. The hydrophobic hydrogel surfaces preferentially adsorbed albumin and promoted cell adhesion and growth in vitro. Actin staining on cells cultured on thin hydrogel films revealed subconfluent cell monolayers composed of strong, adherent cells. Furthermore, fabricated 3D pXMP cell-hydrogel constructs promoted cell survival and proliferation in vitro. Cumulatively, our results demonstrate that injectable xylitol-PEG-based hydrogels possess excellent physical characteristics and exhibit exceptional cytocompatibility in vitro. Consequently, they show great promise as injectable hydrogel systems for in situ tissue repair and regeneration.
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Affiliation(s)
- Shivaram Selvam
- Polymer Science Division, BMT Wing, Sree Chitra Tirunal Institute for Medical Sciences and Technology, Thiruvanathapuram 695012, Kerala, India.
| | - Madhav V Pithapuram
- Polymer Science Division, BMT Wing, Sree Chitra Tirunal Institute for Medical Sciences and Technology, Thiruvanathapuram 695012, Kerala, India
| | - Sunita P Victor
- Polymer Science Division, BMT Wing, Sree Chitra Tirunal Institute for Medical Sciences and Technology, Thiruvanathapuram 695012, Kerala, India
| | - Jayabalan Muthu
- Polymer Science Division, BMT Wing, Sree Chitra Tirunal Institute for Medical Sciences and Technology, Thiruvanathapuram 695012, Kerala, India
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11
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Abstract
Abstract
Interpenetrating polymer network (IPN) hydrogels brought distinct benefits compared to single network hydrogels like more widely controllable physical properties, and (frequently) more efficient drug loading/release. However, IPN strategy is not sufficient to design hydrogels with enhanced mechanical properties required for regenerative medicine like replacement of natural cartilage or artificial cornea. Some of the novel techniques promoted last decade for the preparation of IPN hydrogels which fulfill these requirements are discussed in the review. Among them, “double network” strategy had a strong contribution in the development of a large variety of hydrogels with spectacular mechanical properties at water content up to 90 %. Using cryogelation in tandem with IPN strategy led to composite cryogels with high mechanical properties and high performances in separation processes of ionic species. Highly stretchable and extremely tough hydrogels have been obtained by combining a covalently cross-linked synthetic network with an ionically cross-linked alginate network. IPN hydrogels with tailored mesh size have been also reported.
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12
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Photochemical Production of Interpenetrating Polymer Networks; Simultaneous Initiation of Radical and Cationic Polymerization Reactions. Polymers (Basel) 2014. [DOI: 10.3390/polym6102588] [Citation(s) in RCA: 58] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023] Open
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13
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Olofsson K, Malkoch M, Hult A. Soft hydrogels from tetra-functional PEGs using UV-induced thiol–ene coupling chemistry: a structure-to-property study. RSC Adv 2014. [DOI: 10.1039/c4ra04335a] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023] Open
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14
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Walker CN, Sarapas JM, Kung V, Hall AL, Tew GN. Multiblock Copolymers by Thiol Addition Across Norbornene. ACS Macro Lett 2014; 3:453-457. [PMID: 35590781 DOI: 10.1021/mz5001288] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
Multiblock copolymers, composed of different combinations and number of blocks, offer appreciable opportunities for new advanced materials. However, exploring this parameter space using traditional block copolymer synthetic techniques, such as living polymerization of sequential blocks, is time-consuming and requires stringent conditions. Using thiol addition across norbornene chemistry, we demonstrate a simple synthetic approach to multiblock copolymers that produces either random or alternating architectures, depending on the choice of reactants. Past reports have highlighted the challenges associated with using thiol-ene chemistry for polymer-polymer conjugation; however, using norbornene as the "ene" yielded multiblock copolymers at least four or five blocks. Preparation of new multiblock copolymers containing two or three block chemistries highlights the versatility of this new approach. These materials were thermally stable and showed microphase separation according to characterization by DSC, SAXS, and AFM. This chemical platform offers a facile and efficient route to exploring the many possibilities of multiblock copolymers.
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Affiliation(s)
- Catherine N. Walker
- Department of Polymer Science
and Engineering, University of Massachusetts, Amherst, Massachusetts 01003, United States
| | - Joel M. Sarapas
- Department of Polymer Science
and Engineering, University of Massachusetts, Amherst, Massachusetts 01003, United States
| | - Vanessa Kung
- Department of Polymer Science
and Engineering, University of Massachusetts, Amherst, Massachusetts 01003, United States
| | - Ashley L. Hall
- Department of Polymer Science
and Engineering, University of Massachusetts, Amherst, Massachusetts 01003, United States
| | - Gregory N. Tew
- Department of Polymer Science
and Engineering, University of Massachusetts, Amherst, Massachusetts 01003, United States
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15
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Beyer A, Pollok S, Berg A, Weber K, Popp J. Easy daylight fabricated hydrogel array for colorimetric DNA analysis. Macromol Biosci 2014; 14:889-98. [PMID: 24497199 DOI: 10.1002/mabi.201300487] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2013] [Revised: 12/17/2013] [Indexed: 12/13/2022]
Abstract
The fabrication of 3D hydrogel microarrays for DNA analytics that allow simple visual signal readout for on-site applications is described. A convenient one-step polymerization of the hydrogel including in situ capture oligonucleotide immobilization is accomplished by using N,N'-dimethylacrylamide/polyethylene glycol (PEG1900 )-bisacrylamide monomers. The implementation of an acylphosphine-oxide photoinitiator even allows polymerization at daylight, whereas other approaches require exposure with light in the UV-range. This minimizes the risk of UV-caused DNA damages within the capture DNA-strand that could adversely affect the subsequent hybridization step. The porous network of these gel segments allows DNA as well as protein penetration. Thus, the successful in-gel DNA hybridization is monitored by the deposition of silver nanoparticles. These metal particles allow naked eye signal readout.
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Affiliation(s)
- Antje Beyer
- Leibniz Institute of Photonic Technology e.V., Albert-Einstein-Strasse 9, 07745, Jena, Germany; Institute of Physical Chemistry and Abbe Centre of Photonics, Friedrich-Schiller-University Jena, Helmholtzweg 4, 07743, Jena, Germany
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16
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Daniele MA, Adams AA, Naciri J, North SH, Ligler FS. Interpenetrating networks based on gelatin methacrylamide and PEG formed using concurrent thiol click chemistries for hydrogel tissue engineering scaffolds. Biomaterials 2013; 35:1845-56. [PMID: 24314597 DOI: 10.1016/j.biomaterials.2013.11.009] [Citation(s) in RCA: 157] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2013] [Accepted: 11/02/2013] [Indexed: 11/15/2022]
Abstract
The integration of biological extracellular matrix (ECM) components and synthetic materials is a promising pathway to fabricate the next generation of hydrogel-based tissue scaffolds that more accurately emulate the microscale heterogeneity of natural ECM. We report the development of a bio/synthetic interpenetrating network (BioSINx), containing gelatin methacrylamide (GelMA) polymerized within a poly(ethylene glycol) (PEG) framework to form a mechanically robust network capable of supporting both internal cell encapsulation and surface cell adherence. The covalently crosslinked PEG network was formed by thiol-yne coupling, while the bioactive GelMA was integrated using a concurrent thiol-ene coupling reaction. The physical properties (i.e. swelling, modulus) of BioSINx were compared to both PEG networks with physically-incorporated gelatin (BioSINP) and homogenous hydrogels. BioSINx displayed superior physical properties and significantly lower gelatin dissolution. These benefits led to enhanced cytocompatibility for both cell adhesion and encapsulation; furthermore, the increased physical strength provided for the generation of a micro-engineered tissue scaffold. Endothelial cells showed extensive cytoplasmic spreading and the formation of cellular adhesion sites when cultured onto BioSINx; moreover, both encapsulated and adherent cells showed sustained viability and proliferation.
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Affiliation(s)
- Michael A Daniele
- National Academy of Sciences, National Research Council Postdoctoral Associate, Center for Bio/Molecular Science and Engineering, Naval Research Laboratory, 4555 Overlook Ave, SW Washington, DC 20375, USA.
| | - André A Adams
- Center for Bio/Molecular Science and Engineering, Naval Research Laboratory, 4555 Overlook Ave, SW Washington, DC 20375, USA
| | - Jawad Naciri
- Center for Bio/Molecular Science and Engineering, Naval Research Laboratory, 4555 Overlook Ave, SW Washington, DC 20375, USA
| | - Stella H North
- Center for Bio/Molecular Science and Engineering, Naval Research Laboratory, 4555 Overlook Ave, SW Washington, DC 20375, USA
| | - Frances S Ligler
- Center for Bio/Molecular Science and Engineering, Naval Research Laboratory, 4555 Overlook Ave, SW Washington, DC 20375, USA
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17
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Zhang Q, Hwang JW, Kim KN, Jung HW, Noh SM, Oh JK. New photo-induced thiol-ene crosslinked films based on linear methacrylate copolymer polythiols. ACTA ACUST UNITED AC 2013. [DOI: 10.1002/pola.26675] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Qian Zhang
- Department of Chemistry and Biochemistry and Center for Nanoscience Research (CENR); Concordia University; Montreal Quebec Canada H4B 1R6
| | - Ji Won Hwang
- Department of Chemical and Biological Engineering; Korea University; Seoul 136-713 Republic of Korea
| | - Kyung Nam Kim
- PPG Industries Korea; Cheonan 330-912 Republic of Korea
| | - Hyun Wook Jung
- Department of Chemical and Biological Engineering; Korea University; Seoul 136-713 Republic of Korea
| | - Seung Man Noh
- Department of Chemical and Biological Engineering; Korea University; Seoul 136-713 Republic of Korea
- PPG Industries Korea; Cheonan 330-912 Republic of Korea
| | - Jung Kwon Oh
- Department of Chemistry and Biochemistry and Center for Nanoscience Research (CENR); Concordia University; Montreal Quebec Canada H4B 1R6
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18
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Öberg K, Hed Y, Joelsson Rahmn I, Kelly J, Löwenhielm P, Malkoch M. Dual-purpose PEG scaffolds for the preparation of soft and biofunctional hydrogels: the convergence between CuAAC and thiol–ene reactions. Chem Commun (Camb) 2013; 49:6938-40. [DOI: 10.1039/c3cc42084a] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
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Hed Y, Öberg K, Berg S, Nordberg A, von Holst H, Malkoch M. Multipurpose heterofunctional dendritic scaffolds as crosslinkers towards functional soft hydrogels and implant adhesives in bone fracture applications. J Mater Chem B 2013; 1:6015-6019. [DOI: 10.1039/c3tb21061h] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
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Yang T, Malkoch M, Hult A. The influence of diffusion time on the properties of sequential interpenetrating PEG hydrogels. ACTA ACUST UNITED AC 2012. [DOI: 10.1002/pola.26506] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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