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Abstract
We report the synthesis of novel poly(ethylene glycol) and poly(dimethyl siloxane) (PEG and PDMS, respectively) bottlebrush amphiphilic polymer co-networks (B-APCNs) with high gel fractions by a grafting-through ring-opening metathesis polymerization. By varying the volume fraction of PEG (ϕPEG), we alter the crystallinity of the networks, achieving complete suppression of PEG crystallinity at ϕPEG=0.35. Furthermore, we show that the crystallinity of these networks can be tuned to alter their moduli. Through dynamic mechanical analysis, we show that the storage and loss moduli of networks with completely suppressed crystallinity (ϕPEG=0.35) behave similarly to a PDMS homopolymer bottlebrush network. These bottlebrush networks represent an unexplored architecture for the field of amphiphilic polymer co-networks.
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Affiliation(s)
- Brandon R. Clarke
- Department of Polymer Science and Engineering, University of Massachusetts Amherst, Amherst, Massachusetts 01003, United States
| | - Gregory N. Tew
- Department of Polymer Science and Engineering, University of Massachusetts Amherst, Amherst, Massachusetts 01003, United States
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2
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Liu Z, Wei H, Liu Y, Li W, Li S, Wang G, Guo T. Fabrication and characterization of interpenetrating network hydrogels based on sequential amine‐anhydride reaction and photopolymerization in water. POLYM ENG SCI 2022. [DOI: 10.1002/pen.25896] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Zijun Liu
- School of Chemistry and Chemical Engineering Henan University of Technology Zhengzhou PR China
| | - Hongliang Wei
- School of Chemistry and Chemical Engineering Henan University of Technology Zhengzhou PR China
| | - Yuhua Liu
- School of Chemistry and Chemical Engineering Henan University of Technology Zhengzhou PR China
| | - Weikun Li
- School of Chemistry and Chemical Engineering Henan University of Technology Zhengzhou PR China
| | - Songmao Li
- School of Chemistry and Chemical Engineering Henan University of Technology Zhengzhou PR China
| | - Gang Wang
- School of Chemistry and Chemical Engineering Henan University of Technology Zhengzhou PR China
| | - Tao Guo
- School of Chemistry and Chemical Engineering Henan University of Technology Zhengzhou PR China
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Chu W, Nie M, Ke X, Luo J, Li J. Recent Advances in Injectable Dual Crosslinking Hydrogels for Biomedical Applications. Macromol Biosci 2021; 21:e2100109. [PMID: 33908175 DOI: 10.1002/mabi.202100109] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2021] [Revised: 04/05/2021] [Indexed: 02/05/2023]
Abstract
Injectable dual crosslinking hydrogels hold great promise to improve therapeutic efficacy in minimally invasive surgery. Compared with prefabricated hydrogels, injectable hydrogels can be implanted more accurately into deeply enclosed sites and repair irregularly shaped lesions, showing great applicable potential. Here, the current fabrication considerations of injectable dual crosslinking hydrogels are reviewed. Besides, the progress of the hydrogels used in corresponding applications and emerging challenges are discussed, with detailed emphasis in the fields of bone and cartilage regeneration, wound dressings, sensors and other less mentioned applications for their more hopeful employments in clinic. It is envisioned that the further development of the injectable dual crosslinking hydrogels will catalyze their innovation and transformation in the biomedical field.
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Affiliation(s)
- Wenlin Chu
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu, 610065, China
| | - Mingxi Nie
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu, 610065, China
| | - Xiang Ke
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu, 610065, China
| | - Jun Luo
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu, 610065, China
| | - Jianshu Li
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu, 610065, China.,State Key Laboratory of Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, 610041, China.,Med-X Center for Materials, Sichuan University, Chengdu, 610041, China
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Li Y, Wang X, Han Y, Sun HY, Hilborn J, Shi L. Click chemistry-based biopolymeric hydrogels for regenerative medicine. Biomed Mater 2021; 16:022003. [PMID: 33049725 DOI: 10.1088/1748-605x/abc0b3] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Click chemistry is not a single specific reaction, but describes ways of generating products which emulate examples in nature. Click reactions occur in one pot, are not disturbed by water, generate minimal and inoffensive byproducts, and are characterized by a high thermodynamic driving force, driving the reaction quickly and irreversibly towards a high yield of a single reaction product. As a result, over the past 15 years it has become a very useful bio-orthogonal method for the preparation of chemical cross-linked biopolymer-based hydrogel, in the presence of e.g. growth factors and live cells, or in-vivo. Biopolymers are renewable and non-toxic, providing a myriad of potential backbone toolboxes for hydrogel design. The goal of this review is to summarize recent advances in the development of click chemistry-based biopolymeric hydrogels, and their applications in regenerative medicine. In particular, various click chemistry approaches, including copper-catalyzed azide-alkyne cycloaddition reactions, copper-free click reactions (e.g. the Diels-Alder reactions, the strain-promoted azide-alkyne cycloaddition reactions, the radical mediated thiol-ene reactions, and the oxime-forming reactions), and pseudo-click reactions (e.g. the thiol-Michael addition reactions and the Schiff base reactions) are highlighted in the first section. In addition, numerous biopolymers, including proteins (e.g. collagen, gelatin, silk, and mucin), polysaccharides (e.g. hyaluronic acid, alginate, dextran, and chitosan) and polynucleotides (e.g. deoxyribonucleic acid), are discussed. Finally, we discuss biopolymeric hydrogels, cross-linked by click chemistry, intended for the regeneration of skin, bone, spinal cord, cartilage, and cornea. This article provides new insights for readers in terms of the design of regenerative medicine, and the use of biopolymeric hydrogels based on click chemistry reactions.
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Affiliation(s)
- Ya Li
- College of Biology, Hunan University, Changsha 410082, People's Republic of China
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Oh J, Hong J, Khan A. Ethylene glycol-rich thermosensitive poly(ß-hydroxyl amine)s. JOURNAL OF MACROMOLECULAR SCIENCE PART A-PURE AND APPLIED CHEMISTRY 2020. [DOI: 10.1080/10601325.2020.1761259] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Affiliation(s)
- Junki Oh
- Department of Chemical and Biological Engineering, Korea University, Seoul, Korea
| | - Jeonghui Hong
- Department of Chemical and Biological Engineering, Korea University, Seoul, Korea
| | - Anzar Khan
- Department of Chemical and Biological Engineering, Korea University, Seoul, Korea
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Hong J, Oh J, Khan A. Deconstructing poloxamer and poloxamine block copolymers to access poly(ethylene glycol) and poly(propylene oxide)-based thermoresponsive polymers. JOURNAL OF MACROMOLECULAR SCIENCE PART A-PURE AND APPLIED CHEMISTRY 2020. [DOI: 10.1080/10601325.2020.1724055] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Affiliation(s)
- Jeonghui Hong
- Department of Chemical and Biological Engineering, Korea University, Seoul, Korea
| | - Junki Oh
- Department of Chemical and Biological Engineering, Korea University, Seoul, Korea
| | - Anzar Khan
- Department of Chemical and Biological Engineering, Korea University, Seoul, Korea
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Thermoresponsive Poly(ß-hydroxyl amine)s: Synthesis of a New Stimuli Responsive Amphiphilic Homopolymer Family through Amine-Epoxy 'Click' Polymerization. Polymers (Basel) 2019; 11:polym11121941. [PMID: 31775388 PMCID: PMC6961043 DOI: 10.3390/polym11121941] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2019] [Revised: 11/14/2019] [Accepted: 11/19/2019] [Indexed: 11/30/2022] Open
Abstract
A new synthesis of amphiphilic homopolymers is described. In this synthesis, commercially available and inexpensive primary amines and di-epoxide molecules are utilized as AA- and BB-types of monomers in an amine-epoxy ‘click’ polymerization process. This process can be carried out in water and at room temperature. It does not require a catalyst or inert conditions and forms no byproducts. Therefore, the polymer synthesis can be carried out in open-air and bench-top conditions and a post-synthesis purification step is not required. The modularity of the synthesis, on the other hand, allows for facile structural modulation and tuning of the thermally triggered aggregation process in the temperature range of 7 to 91 °C. Finally, the underlying principles can be translated from linear architectures to polymer networks (hydrogels).
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Oh J, Jung KI, Jung HW, Khan A. A Modular and Practical Synthesis of Zwitterionic Hydrogels through Sequential Amine-Epoxy "Click" Chemistry and N-Alkylation Reaction. Polymers (Basel) 2019; 11:E1491. [PMID: 31547408 PMCID: PMC6780745 DOI: 10.3390/polym11091491] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2019] [Revised: 09/11/2019] [Accepted: 09/11/2019] [Indexed: 02/03/2023] Open
Abstract
In this work, the amine-epoxy "click" reaction is shown to be a valuable general tool in the synthesis of reactive hydrogels. The practicality of this reaction arises due to its catalyst-free nature, its operation in water, and commercial availability of a large variety of amine and epoxide molecules that can serve as hydrophilic network precursors. Therefore, hydrogels can be prepared in a modular fashion through a simple mixing of the precursors in water and used as produced (without requiring any post-synthesis purification step). The gelation behavior and final hydrogel properties depend upon the molecular weight of the precursors and can be changed as per the requirement. A post-synthesis modification through alkylation at the nitrogen atom of the newly formed β-hydroxyl amine linkages allows for functionalizing the hydrogels. For example, ring-opening reaction of cyclic sulfonic ester gives rise to surfaces with a zwitterionic character. Finally, the established gelation chemistry can be combined with soft lithography techniques such as micromolding in capillaries (MIMIC) to obtain hydrogel microstructures.
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Affiliation(s)
- Junki Oh
- Department of Chemical and Biological Engineering, Korea University, Seoul 02841, Korea.
| | - Kevin Injoe Jung
- Department of Chemical and Biological Engineering, Korea University, Seoul 02841, Korea.
| | - Hyun Wook Jung
- Department of Chemical and Biological Engineering, Korea University, Seoul 02841, Korea.
| | - Anzar Khan
- Department of Chemical and Biological Engineering, Korea University, Seoul 02841, Korea.
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Shang P, Wu J, Shi X, Wang Z, Song F, Liu S. Synthesis of Thermo-Responsive Block-Graft Copolymer Based on PCL and PEG Analogs, and Preparation of Hydrogel via Click Chemistry. Polymers (Basel) 2019; 11:E765. [PMID: 31052405 PMCID: PMC6572280 DOI: 10.3390/polym11050765] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2019] [Revised: 04/10/2019] [Accepted: 04/20/2019] [Indexed: 01/05/2023] Open
Abstract
Thermo-responsive cross-linkable mPEG-b-[PCL-g-(MEO2MA-co-OEGMA)]-b-mPEG was synthesized by ring-opening polymerization (ROP) and atom transfer radical polymerization (ATRP). Then, the cross-linkable block-graft copolymer was used to prepare hydrogel via a copper-catalyzed 1,3-dipolar azide-alkyne cycloaddition reaction. The chemical structure and composition of copolymer were characterized by proton nuclear magnetic resonance (1H NMR), Fourier-transform infrared (FT-IR) and gel permeation chromatography (GPC). The self-assembly behaviors of the copolymer in aqueous solution were studied by UV spectrophotometer, fluorescence probes, the surface tension method, dynamic light scattering, and transmission electron microscopy. The results proved that the copolymer has excellent solubility and better temperature response. The three-dimensional network structure of the gels, observed by scanning electron microscopy at different temperatures, indicated that the gels have temperature response.
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Affiliation(s)
- Pei Shang
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an 710119, China.
| | - Jie Wu
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an 710119, China.
| | - Xiaoyu Shi
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an 710119, China.
| | - Zhidan Wang
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an 710119, China.
| | - Fei Song
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an 710119, China.
| | - Shouxin Liu
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an 710119, China.
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Li K, Zhou C, Liu S, Yao F, Fu G, Xu L. Preparation of mechanically-tough and thermo-responsive polyurethane-poly(ethylene glycol) hydrogels. REACT FUNCT POLYM 2017. [DOI: 10.1016/j.reactfunctpolym.2017.06.010] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
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Liu S, Dong M, Zhang Z, Fu G. High elasticity, strength, and biocompatible amphiphilic hydrogel via click chemistry and ferric ion coordination. POLYM ADVAN TECHNOL 2016. [DOI: 10.1002/pat.3997] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Shunli Liu
- School of Chemistry and Chemical Engineering; Southeast University; Jiangning District Nanjing 211189 Jiangsu Province China
| | - Mengjiao Dong
- School of Chemistry and Chemical Engineering; Southeast University; Jiangning District Nanjing 211189 Jiangsu Province China
| | - Zhihong Zhang
- Henan Provincial Key Laboratory of Surface and Interface Science; Zhengzhou University of Light Industry; No. 166, Science Avenue Zhengzhou 450001 China
| | - Guodong Fu
- School of Chemistry and Chemical Engineering; Southeast University; Jiangning District Nanjing 211189 Jiangsu Province China
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Cui M, Song Z, Wu Y, Guo B, Fan X, Luo X. A highly sensitive biosensor for tumor maker alpha fetoprotein based on poly(ethylene glycol) doped conducting polymer PEDOT. Biosens Bioelectron 2016; 79:736-41. [DOI: 10.1016/j.bios.2016.01.012] [Citation(s) in RCA: 97] [Impact Index Per Article: 12.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2015] [Revised: 12/30/2015] [Accepted: 01/05/2016] [Indexed: 01/16/2023]
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Dong MJ, Liu SL, Tan LH, Cen L, Fu GD. Hydrogels of chemically cross-linked and organ-metallic complexed interpenetrating PEG networks. CHINESE JOURNAL OF POLYMER SCIENCE 2016. [DOI: 10.1007/s10118-016-1783-7] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
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Mohammadifar E, Daneshnia F, Kehtari M, Kharat AN, Adeli M. Synthesis of fluorescent ABA triblock copolymer via click reaction. POLYM INT 2016. [DOI: 10.1002/pi.5093] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Affiliation(s)
- Ehsan Mohammadifar
- School of Chemistry; University College of Science, University of Tehran; Tehran Iran
| | - Farkhondeh Daneshnia
- Department of Chemistry, Faculty of Science; Lorestan University; Khoramabad Iran
| | - Moosa Kehtari
- School of Biology, University College of Science; University of Tehran; Tehran Iran
| | - Ali Nemati Kharat
- School of Chemistry; University College of Science, University of Tehran; Tehran Iran
| | - Mohsen Adeli
- Department of Chemistry, Faculty of Science; Lorestan University; Khoramabad Iran
- Institute of Chemistry and Biochemistry; Freie Universität Berlin; Takustrasse 3 D-14195 Berlin Germany
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Pan X, Gao H, Fu G, Gao Y, Zhang W. Synthesis, characterization and chondrocyte culture of polyhedral oligomeric silsesquioxane (POSS)-containing hybrid hydrogels. RSC Adv 2016. [DOI: 10.1039/c5ra27989e] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022] Open
Abstract
Polyhedral oligomeric silsesquioxanes (POSS)-based hybrid hydrogels were successfully prepared via a fast azide-alkyne click reaction between octa-azido-functionalized POSS (OAPOSS) and alkyne-functionalized poly(ethylene glycol) (PEG).
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Affiliation(s)
- Xiuwei Pan
- Shanghai Key Laboratory of Functional Materials Chemistry
- School of Materials Science and Engineering
- East China University of Science and Technology
- Shanghai 200237
- P. R. China
| | - Hao Gao
- School of Chemistry and Chemical Engineering
- Southeast University
- Nanjing
- P. R. China
| | - Guodong Fu
- School of Chemistry and Chemical Engineering
- Southeast University
- Nanjing
- P. R. China
| | - Yun Gao
- Shanghai Key Laboratory of Functional Materials Chemistry
- School of Materials Science and Engineering
- East China University of Science and Technology
- Shanghai 200237
- P. R. China
| | - Weian Zhang
- Shanghai Key Laboratory of Functional Materials Chemistry
- School of Materials Science and Engineering
- East China University of Science and Technology
- Shanghai 200237
- P. R. China
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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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