151
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Hofman AH, van Hees IA, Yang J, Kamperman M. Bioinspired Underwater Adhesives by Using the Supramolecular Toolbox. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2018; 30:e1704640. [PMID: 29356146 DOI: 10.1002/adma.201704640] [Citation(s) in RCA: 282] [Impact Index Per Article: 47.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/15/2017] [Revised: 10/02/2017] [Indexed: 05/25/2023]
Abstract
Nature has developed protein-based adhesives whose underwater performance has attracted much research attention over the last few decades. The adhesive proteins are rich in catechols combined with amphiphilic and ionic features. This combination of features constitutes a supramolecular toolbox, to provide stimuli-responsive processing of the adhesive, to secure strong adhesion to a variety of surfaces, and to control the cohesive properties of the material. Here, the versatile interactions used in adhesives secreted by sandcastle worms and mussels are explored. These biological principles are then put in a broader perspective, and synthetic adhesive systems that are based on different types of supramolecular interactions are summarized. The variety and combinations of interactions that can be used in the design of new adhesive systems are highlighted.
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Affiliation(s)
- Anton H Hofman
- Physical Chemistry and Soft Matter, Wageningen University, Stippeneng 4, 6708 WE, Wageningen, The Netherlands
| | - Ilse A van Hees
- Physical Chemistry and Soft Matter, Wageningen University, Stippeneng 4, 6708 WE, Wageningen, The Netherlands
| | - Juan Yang
- Rolls-Royce@NTU Corporate Lab, Nanyang Technological University, 65 Nanyang Drive, Singapore, 637460, Singapore
| | - Marleen Kamperman
- Physical Chemistry and Soft Matter, Wageningen University, Stippeneng 4, 6708 WE, Wageningen, The Netherlands
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152
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Li J, Yuan S, Wang J, Zhu J, Shen J, Van der Bruggen B. Mussel-inspired modification of ion exchange membrane for monovalent separation. J Memb Sci 2018. [DOI: 10.1016/j.memsci.2018.02.046] [Citation(s) in RCA: 36] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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153
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Urie R, Ghosh D, Ridha I, Rege K. Inorganic Nanomaterials for Soft Tissue Repair and Regeneration. Annu Rev Biomed Eng 2018; 20:353-374. [PMID: 29621404 DOI: 10.1146/annurev-bioeng-071516-044457] [Citation(s) in RCA: 41] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
Inorganic nanomaterials have witnessed significant advances in areas of medicine including cancer therapy, imaging, and drug delivery, but their use in soft tissue repair and regeneration is in its infancy. Metallic, ceramic, and carbon allotrope nanoparticles have shown promise in facilitating tissue repair and regeneration. Inorganic nanomaterials have been employed to improve stem cell engraftment in cellular therapy, material mechanical stability in tissue repair, electrical conductivity in nerve and cardiac regeneration, adhesion strength in tissue approximation, and antibacterial capacity in wound dressings. These nanomaterials have also been used to improve or replace common surgical materials and restore functionality to damaged tissue. We provide a comprehensive overview of inorganic nanomaterials in tissue repair and regeneration, and discuss their promise and limitations for eventual translation to the clinic.
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Affiliation(s)
- Russell Urie
- Department of Chemical Engineering, Arizona State University, Tempe, Arizona 85287-6106, USA;
| | - Deepanjan Ghosh
- Department of Biological Design, Arizona State University, Tempe, Arizona 85287-6106, USA
| | - Inam Ridha
- Department of Biomedical Engineering, Arizona State University, Tempe, Arizona 85287-6106, USA
| | - Kaushal Rege
- Department of Chemical Engineering, Arizona State University, Tempe, Arizona 85287-6106, USA;
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154
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Zhao ZG, Xu YC, Fang RC, Liu MJ. Bioinspired Adaptive Gel Materials with Synergistic Heterostructures. CHINESE JOURNAL OF POLYMER SCIENCE 2018. [DOI: 10.1007/s10118-018-2105-z] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
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155
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Pinnaratip R, Meng H, Rajachar RM, Lee BP. Effect of incorporating clustered silica nanoparticles on the performance and biocompatibility of catechol-containing PEG-based bioadhesive. ACTA ACUST UNITED AC 2018; 13:025003. [PMID: 29105648 DOI: 10.1088/1748-605x/aa985d] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
A composite adhesive capable of inducing cellular infiltration was prepared by incorporating control clustered silica microparticle (MP) derived from the aggregation of silica nanoparticle (NP) into a catechol-terminated poly(ethylene glycol) bioadhesive (PEG-DA). Incorporation of MP into PEG-DA significantly improved the mechanical and adhesive properties of the bioadhesive. There was no statistical difference between the measured values for NP- and MP-incorporated adhesives, indicating that MP was equally as effective in enhancing the material properties of PEG-DA as NP. Most importantly, MP was significantly less cytotoxic when compared to NP when these particles were directly exposed to L929 fibroblast. When the adhesives were implanted subcutaneously in rats, MP-containing PEG-DA also exhibited reduced inflammatory responses, attracted elevated levels of regenerative M2 macrophage to its interface, and promoted cellular infiltration due to increased porosity within the adhesive network. Control clustered silica MP can be used to improve the performance and biocompatibility of PEG-based adhesive while minimizing undesirable cytotoxicity of silica NP.
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Affiliation(s)
- Rattapol Pinnaratip
- Department of Biomedical Engineering, Michigan Technological University, Houghton, MI 49931, United States of America
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156
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Jang TS, Jung HD, Pan HM, Han WT, Chen S, Song J. 3D printing of hydrogel composite systems: Recent advances in technology for tissue engineering. Int J Bioprint 2018; 4:126. [PMID: 33102909 PMCID: PMC7582009 DOI: 10.18063/ijb.v4i1.126] [Citation(s) in RCA: 104] [Impact Index Per Article: 17.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2017] [Accepted: 11/22/2017] [Indexed: 12/23/2022] Open
Abstract
Three-dimensional (3D) printing of hydrogels is now an attractive area of research due to its capability to fabricate intricate, complex and highly customizable scaffold structures that can support cell adhesion and promote cell infiltration for tissue engineering. However, pure hydrogels alone lack the necessary mechanical stability and are too easily degraded to be used as printing ink. To overcome this problem, significant progress has been made in the 3D printing of hydrogel composites with improved mechanical performance and biofunctionality. Herein, we provide a brief overview of existing hydrogel composite 3D printing techniques including laser based-3D printing, nozzle based-3D printing, and inkjet printer based-3D printing systems. Based on the type of additives, we will discuss four main hydrogel composite systems in this review: polymer- or hydrogel-hydrogel composites, particle-reinforced hydrogel composites, fiber-reinforced hydrogel composites, and anisotropic filler-reinforced hydrogel composites. Additionally, several emerging potential applications of hydrogel composites in the field of tissue engineering and their accompanying challenges are discussed in parallel.
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Affiliation(s)
- Tae-Sik Jang
- School of Chemical and Biomedical Engineering, Nanyang Technological University, Singapore
| | - Hyun-Do Jung
- Liquid Processing & Casting Technology R&D Group, Korea Institute of Industrial Technology, Incheon, Republic of Korea
| | - Houwen Matthew Pan
- School of Chemical and Biomedical Engineering, Nanyang Technological University, Singapore
| | - Win Tun Han
- School of Chemical and Biomedical Engineering, Nanyang Technological University, Singapore
| | - Shengyang Chen
- School of Chemical and Biomedical Engineering, Nanyang Technological University, Singapore
| | - Juha Song
- School of Chemical and Biomedical Engineering, Nanyang Technological University, Singapore
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157
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Li X, Wu B, Chen H, Nan K, Jin Y, Sun L, Wang B. Recent developments in smart antibacterial surfaces to inhibit biofilm formation and bacterial infections. J Mater Chem B 2018; 6:4274-4292. [PMID: 32254504 DOI: 10.1039/c8tb01245h] [Citation(s) in RCA: 125] [Impact Index Per Article: 20.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Since their development over 70 years, antibiotics are still the most effective strategy to treat bacterial biofilms and infections.
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Affiliation(s)
- Xi Li
- School of Ophthalmology & Optometry, Eye Hospital, Wenzhou Medical University
- Wenzhou
- China
| | - Biao Wu
- School of Ophthalmology & Optometry, Eye Hospital, Wenzhou Medical University
- Wenzhou
- China
| | - Hao Chen
- School of Ophthalmology & Optometry, Eye Hospital, Wenzhou Medical University
- Wenzhou
- China
- Wenzhou Institute of Biomaterials and Engineering, Chinese Academy of Sciences
- Wenzhou
| | - Kaihui Nan
- School of Ophthalmology & Optometry, Eye Hospital, Wenzhou Medical University
- Wenzhou
- China
- Wenzhou Institute of Biomaterials and Engineering, Chinese Academy of Sciences
- Wenzhou
| | - Yingying Jin
- School of Ophthalmology & Optometry, Eye Hospital, Wenzhou Medical University
- Wenzhou
- China
| | - Lin Sun
- School of Ophthalmology & Optometry, Eye Hospital, Wenzhou Medical University
- Wenzhou
- China
| | - Bailiang Wang
- School of Ophthalmology & Optometry, Eye Hospital, Wenzhou Medical University
- Wenzhou
- China
- Wenzhou Institute of Biomaterials and Engineering, Chinese Academy of Sciences
- Wenzhou
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158
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Yan S, Wang W, Li X, Ren J, Yun W, Zhang K, Li G, Yin J. Preparation of mussel-inspired injectable hydrogels based on dual-functionalized alginate with improved adhesive, self-healing, and mechanical properties. J Mater Chem B 2018; 6:6377-6390. [DOI: 10.1039/c8tb01928b] [Citation(s) in RCA: 72] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
A novel mussel-inspired injectable hydrogel based on catechol- and aldehyde-modified alginate was developed, which avoided the introduction of small molecular oxidants and preserved the catechol functional groups.
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Affiliation(s)
- Shifeng Yan
- Department of Polymer Materials
- Shanghai University
- Shanghai 200444
- People's Republic of China
| | - Weidong Wang
- Department of Polymer Materials
- Shanghai University
- Shanghai 200444
- People's Republic of China
| | - Xing Li
- Department of Polymer Materials
- Shanghai University
- Shanghai 200444
- People's Republic of China
| | - Jie Ren
- Department of Polymer Materials
- Shanghai University
- Shanghai 200444
- People's Republic of China
| | - Wentao Yun
- Department of Polymer Materials
- Shanghai University
- Shanghai 200444
- People's Republic of China
| | - Kunxi Zhang
- Department of Polymer Materials
- Shanghai University
- Shanghai 200444
- People's Republic of China
| | - Guifei Li
- Department of Polymer Materials
- Shanghai University
- Shanghai 200444
- People's Republic of China
| | - Jingbo Yin
- Department of Polymer Materials
- Shanghai University
- Shanghai 200444
- People's Republic of China
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159
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Sharma S, Deepak, Kumar A, Afgan S, Kumar R. Stimuli-Responsive Polymeric Hydrogel-Copper Nanocomposite Material for Biomedical Application and Its Alternative Application to Catalytic Field. ChemistrySelect 2017. [DOI: 10.1002/slct.201702284] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Swati Sharma
- Organic Polymer Laboratory, Centre of Advanced Studies in Chemistry, Institute of Science; Banaras Hindu University; Varanasi- 221005, (UP) India
| | - Deepak
- Organic Polymer Laboratory, Centre of Advanced Studies in Chemistry, Institute of Science; Banaras Hindu University; Varanasi- 221005, (UP) India
| | - Ashok Kumar
- Organic Polymer Laboratory, Centre of Advanced Studies in Chemistry, Institute of Science; Banaras Hindu University; Varanasi- 221005, (UP) India
| | - Shere Afgan
- Organic Polymer Laboratory, Centre of Advanced Studies in Chemistry, Institute of Science; Banaras Hindu University; Varanasi- 221005, (UP) India
| | - Rajesh Kumar
- Organic Polymer Laboratory, Centre of Advanced Studies in Chemistry, Institute of Science; Banaras Hindu University; Varanasi- 221005, (UP) India
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160
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Feng J, Ton XA, Zhao S, Paez JI, Del Campo A. Mechanically Reinforced Catechol-Containing Hydrogels with Improved Tissue Gluing Performance. Biomimetics (Basel) 2017; 2:E23. [PMID: 31105184 PMCID: PMC6352675 DOI: 10.3390/biomimetics2040023] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2017] [Revised: 10/30/2017] [Accepted: 11/02/2017] [Indexed: 12/13/2022] Open
Abstract
In situ forming hydrogels with catechol groups as tissue reactive functionalities are interesting bioinspired materials for tissue adhesion. Poly(ethylene glycol) (PEG)⁻catechol tissue glues have been intensively investigated for this purpose. Different cross-linking mechanisms (oxidative or metal complexation) and cross-linking conditions (pH, oxidant concentration, etc.) have been studied in order to optimize the curing kinetics and final cross-linking degree of the system. However, reported systems still show limited mechanical stability, as expected from a PEG network, and this fact limits their potential application to load bearing tissues. Here, we describe mechanically reinforced PEG⁻catechol adhesives showing excellent and tunable cohesive properties and adhesive performance to tissue in the presence of blood. We used collagen/PEG mixtures, eventually filled with hydroxyapatite nanoparticles. The composite hydrogels show far better mechanical performance than the individual components. It is noteworthy that the adhesion strength measured on skin covered with blood was >40 kPa, largely surpassing (>6 fold) the performance of cyanoacrylate, fibrin, and PEG⁻catechol systems. Moreover, the mechanical and interfacial properties could be easily tuned by slight changes in the composition of the glue to adapt them to the particular properties of the tissue. The reported adhesive compositions can tune and improve cohesive and adhesive properties of PEG⁻catechol-based tissue glues for load-bearing surgery applications.
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Affiliation(s)
- Jun Feng
- INM ⁻ Leibniz Institute for New Materials, Campus D2 2, 66123 Saarbrücken, Germany.
- Chemistry Department, Saarland University, 66123 Saarbrücken, Germany.
| | - Xuan-Anh Ton
- Max-Planck-Institut für Polymerforschung, Ackermannweg 10, 55128 Mainz, Germany.
| | - Shifang Zhao
- INM ⁻ Leibniz Institute for New Materials, Campus D2 2, 66123 Saarbrücken, Germany.
- Chemistry Department, Saarland University, 66123 Saarbrücken, Germany.
| | - Julieta I Paez
- INM ⁻ Leibniz Institute for New Materials, Campus D2 2, 66123 Saarbrücken, Germany.
| | - Aránzazu Del Campo
- INM ⁻ Leibniz Institute for New Materials, Campus D2 2, 66123 Saarbrücken, Germany.
- Chemistry Department, Saarland University, 66123 Saarbrücken, Germany.
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161
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Fan H, Wang J, Zhang Q, Jin Z. Tannic Acid-Based Multifunctional Hydrogels with Facile Adjustable Adhesion and Cohesion Contributed by Polyphenol Supramolecular Chemistry. ACS OMEGA 2017; 2:6668-6676. [PMID: 30023527 PMCID: PMC6045341 DOI: 10.1021/acsomega.7b01067] [Citation(s) in RCA: 106] [Impact Index Per Article: 15.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/25/2017] [Accepted: 09/05/2017] [Indexed: 05/20/2023]
Abstract
Adhesiveness of hydrogels depends on the balance and synergy of their cohesion and adhesion. However, it is a challenge to fabricate catechol-based hydrogels with high adhesiveness because the required condition for cohesion and adhesion of these hydrogels is in conflict with each other: strong cohesion (gelation) requires a weak basic condition, whereas strong adhesion requires an acidic condition. Here, we demonstrated that by utilizing polyphenol supramolecular chemistry, the coexistence of strong cohesion and adhesion can be achieved in a hydrogel via the one-pot method. Poly(dimethyl diallyl ammonium chloride)/tannic acid (PDDA/TA) hydrogel has been studied as a proof of concept. Compared with catechol moieties that covalently grafted on polymer chains, TA can bring high density of pyrogallol/catechol functional groups for polymers via a noncovalent pathway, as well as high acidity in the system. As a result, the cohesion of the hydrogel is enhanced significantly, the highest storage moduli can reach up to ca. 0.15 MPa; besides, the high acidity of the hydrogel prevents pyrogallol/catechol groups from oxidation and guarantees strong adhesion; thus, the hydrogel can adhere to diverse substrates steadily, including tissues, glass, metals, and plastic. Moreover, because of the adjustable adhesiveness via changing the pH, the PDDA/TA hydrogel becomes a unique system with patternable adhesiveness. In addition, the hydrogel has rapid self-healing and high ionic conductivity (∼4.3 S m-1). This study demonstrates that utilizing polyphenol chemistry in the construction of hydrogels opens a new path toward multifunctional hydrogels with improved properties.
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Affiliation(s)
- Hailong Fan
- Department of Chemistry, Renmin
University of China, No. 59 Zhongguancun Street, Haidian
District, Beijing 100872, P. R. China
| | - Jiahui Wang
- Department of Chemistry, Renmin
University of China, No. 59 Zhongguancun Street, Haidian
District, Beijing 100872, P. R. China
| | - Qiuya Zhang
- Department of Chemistry, Renmin
University of China, No. 59 Zhongguancun Street, Haidian
District, Beijing 100872, P. R. China
| | - Zhaoxia Jin
- Department of Chemistry, Renmin
University of China, No. 59 Zhongguancun Street, Haidian
District, Beijing 100872, P. R. China
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162
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Li Q, Sun L, Zhang L, Xu Z, Kang Y, Xue P. Polydopamine-collagen complex to enhance the biocompatibility of polydimethylsiloxane substrates for sustaining long-term culture of L929 fibroblasts and tendon stem cells. J Biomed Mater Res A 2017; 106:408-418. [PMID: 28971550 DOI: 10.1002/jbm.a.36254] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2017] [Revised: 09/24/2017] [Accepted: 09/27/2017] [Indexed: 12/12/2022]
Abstract
Polydimethylsiloxane (PDMS) is a commercialized polymer extensively used in the fabrication of versatile microfluidic microdevices for studies in cell biology and tissue engineering. However, the inherent surface hydrophobicity of PDMS is not optimal for cell culture and thus restrains its applications for investigation of long-term behaviors of fibroblasts and stem cells. To improve the surface biocompatibility of PDMS, a facile technique was developed by modifying the PDMS surface with polydopamine-collagen (COL/PDA) complex. The successful synthesis of COL/PDA was verified through proton nuclear magnetic resonance spectroscopy. Compared to surface coating solely with COL or PDA, the surface wettability was significantly improved on COL/PDA-modified PDMS substrates based on water contact angle characterizations. The modified PDMS surface remarkably enhanced the initial adhesion and long-term proliferation of L929 fibroblasts and tendon stem cells (TSCs). Additionally, the effects of COL/PDA coating on cell viability and apoptosis were further investigated under prolonged incubation. We found that the COL/PDA coating on PDMS resulted in a substantial increase of cell viability compared to native PDMS, and the cell apoptosis was considerably impeded on the modified PDMS. This study demonstrated that COL/PDA coating can effectively enhance the surface biocompatibility of PDMS as verified by the enhanced adhesion and long-term proliferation of L929 fibroblasts and TSCs. © 2017 Wiley Periodicals, Inc. J Biomed Mater Res Part A: 106A: 408-418, 2018.
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Affiliation(s)
- Qian Li
- Institute for Clean Energy and Advanced Materials, Faculty of Materials and Energy, Southwest University, Chongqing, 400715, China.,Chongqing Engineering Research Center for Micro-Nano Biomedical Materials and Devices, Chongqing, 400715, China
| | - Lihong Sun
- Institute for Clean Energy and Advanced Materials, Faculty of Materials and Energy, Southwest University, Chongqing, 400715, China.,Chongqing Engineering Research Center for Micro-Nano Biomedical Materials and Devices, Chongqing, 400715, China
| | - Lei Zhang
- State Key Laboratory of Silkworm Genome Biology, Southwest University, Chongqing, 400716, China
| | - Zhigang Xu
- Institute for Clean Energy and Advanced Materials, Faculty of Materials and Energy, Southwest University, Chongqing, 400715, China.,Chongqing Engineering Research Center for Micro-Nano Biomedical Materials and Devices, Chongqing, 400715, China
| | - Yuejun Kang
- Institute for Clean Energy and Advanced Materials, Faculty of Materials and Energy, Southwest University, Chongqing, 400715, China.,Chongqing Engineering Research Center for Micro-Nano Biomedical Materials and Devices, Chongqing, 400715, China
| | - Peng Xue
- Institute for Clean Energy and Advanced Materials, Faculty of Materials and Energy, Southwest University, Chongqing, 400715, China.,Chongqing Engineering Research Center for Micro-Nano Biomedical Materials and Devices, Chongqing, 400715, China
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163
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Peng B, Lai X, Chen L, Lin X, Sun C, Liu L, Qi S, Chen Y, Leong KW. Scarless Wound Closure by a Mussel-Inspired Poly(amidoamine) Tissue Adhesive with Tunable Degradability. ACS OMEGA 2017; 2:6053-6062. [PMID: 30023761 PMCID: PMC6044989 DOI: 10.1021/acsomega.7b01221] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/21/2017] [Accepted: 09/08/2017] [Indexed: 05/30/2023]
Abstract
Burn, trauma, and various medical conditions including bacterial infection, diabetes complication, and surgery could lead to an acute cutaneous wound and scar formation. Application of tissue glues instead of sutures could minimize the additional trauma and scar formation. Despite the countless efforts devoted to the development of high-strength tissue glues, little attention has been paid to their influence on the scar formation. Here, we report the development of a new tissue glue with excellent biocompatibility and tunable degradability for scarless wound closure. A series of catechol-containing poly(amidoamine) (CPAA) polymers were synthesized via the one-step Michael addition of dopamine and bisacrylamide. The tertiary amino group in the polymer backbone was used to introduce a zwitterionic sulfobetaine group by one-step ring-opening polymerization. The introduction of the zwitterionic sulfobetaine group could easily tune the hydrophilicity and the degradability of CPAA without influencing the density of the catechol group in the polymer. Lap-shear tests on the porcine skin demonstrated a high adhesion strength of 7 kPa at 1 h, rising to 24 kPa by 12 h. Addition of silica nanoparticles could further enhance the adhesion strength by 50%. In vivo studies further confirmed that the CPAA tissue glue could effectively accelerate the healing process of incisional wounds on the back of Sprague Dawley rats compared with suture and reduce the scar formation.
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Affiliation(s)
- Bo Peng
- Center
of Functional Biomaterials, School of Material Science and
Engineering, and Key Laboratory for Polymeric Composite and Functional Materials of
Ministry of Education, Sun Yat-sen University, Guangzhou 510275, Guangdong, China
- Department
of Biomedical Engineering, Columbia University, New York, New York 10025, United States
| | - Xinyi Lai
- Center
of Functional Biomaterials, School of Material Science and
Engineering, and Key Laboratory for Polymeric Composite and Functional Materials of
Ministry of Education, Sun Yat-sen University, Guangzhou 510275, Guangdong, China
| | - Lei Chen
- Department
of Burns Surgery, The First Affiliated Hospital
of Sun Yat-sen University, Guangzhou 510080, Guangdong, China
| | - Xuemei Lin
- Center
of Functional Biomaterials, School of Material Science and
Engineering, and Key Laboratory for Polymeric Composite and Functional Materials of
Ministry of Education, Sun Yat-sen University, Guangzhou 510275, Guangdong, China
| | - Chengxin Sun
- Center
of Functional Biomaterials, School of Material Science and
Engineering, and Key Laboratory for Polymeric Composite and Functional Materials of
Ministry of Education, Sun Yat-sen University, Guangzhou 510275, Guangdong, China
| | - Lixin Liu
- Center
of Functional Biomaterials, School of Material Science and
Engineering, and Key Laboratory for Polymeric Composite and Functional Materials of
Ministry of Education, Sun Yat-sen University, Guangzhou 510275, Guangdong, China
| | - Shaohai Qi
- Department
of Burns Surgery, The First Affiliated Hospital
of Sun Yat-sen University, Guangzhou 510080, Guangdong, China
| | - Yongming Chen
- Center
of Functional Biomaterials, School of Material Science and
Engineering, and Key Laboratory for Polymeric Composite and Functional Materials of
Ministry of Education, Sun Yat-sen University, Guangzhou 510275, Guangdong, China
| | - Kam W. Leong
- Department
of Biomedical Engineering, Columbia University, New York, New York 10025, United States
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164
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Bhagat V, Becker ML. Degradable Adhesives for Surgery and Tissue Engineering. Biomacromolecules 2017; 18:3009-3039. [DOI: 10.1021/acs.biomac.7b00969] [Citation(s) in RCA: 194] [Impact Index Per Article: 27.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- Vrushali Bhagat
- Department
of Polymer Science and ‡Department of Biomedical Engineering, The University of Akron, Akron, Ohio 44325, United States
| | - Matthew L. Becker
- Department
of Polymer Science and ‡Department of Biomedical Engineering, The University of Akron, Akron, Ohio 44325, United States
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165
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166
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Design and fabrication of functional hydrogels through interfacial engineering. CHINESE JOURNAL OF POLYMER SCIENCE 2017. [DOI: 10.1007/s10118-017-1995-5] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
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167
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Golafshan N, Rezahasani R, Tarkesh Esfahani M, Kharaziha M, Khorasani SN. Nanohybrid hydrogels of laponite: PVA-Alginate as a potential wound healing material. Carbohydr Polym 2017; 176:392-401. [PMID: 28927623 DOI: 10.1016/j.carbpol.2017.08.070] [Citation(s) in RCA: 135] [Impact Index Per Article: 19.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2017] [Revised: 08/15/2017] [Accepted: 08/15/2017] [Indexed: 11/17/2022]
Abstract
The aim of this study was to develop a novel nanohybrid interpenetrating network hydrogel composed of laponite:polyvinyl alcohol (PVA)-alginate (LAP:PVA-Alginate) with adjustable mechanical, physical and biological properties for wound healing application. Results demonstrated that compared to PVA-Alginate, mechanical strength of LAP:PVA-Alginate significantly enhanced (upon 2 times). Moreover, incorporation of 2wt.% laponite reduced swelling ability (3 times) and degradation ratio (1.2 times) originating from effective enhancement of crosslinking density in the nanohybrid hydrogels. Furthermore, nanohybrid hydrogels revealed admirable biocompatibility against MG63 and fibroblast cells. Noticeably, MTT assay demonstrated that fibroblast proliferation significantly enhanced on 0.5wt.% LAP:PVA-alginate compared to PVA-alginate. Moreover, hemolysis and clotting tests indicated that the nanohybrid hydrogels promoted hemostasis which could be helpful in the wound dressing. Therefore, the synergistic effects of the nanohybrid hydrogels such as superior mechanical properties, adjustable degradation rate and admirable biocompatibility and hemolysis make them a desirable candidate for wound healing process.
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Affiliation(s)
- Nasim Golafshan
- Department of Materials Engineering, Isfahan University of Technology, Isfahan 84156-83111, Iran
| | - R Rezahasani
- Department of Chemical Engineering, Isfahan University of Technology, Isfahan 84156-83111, Iran
| | - M Tarkesh Esfahani
- Department of New Sciences and Technologies, University of Tehran, Tehran 1417466191, Iran
| | - M Kharaziha
- Department of Materials Engineering, Isfahan University of Technology, Isfahan 84156-83111, Iran.
| | - S N Khorasani
- Department of Chemical Engineering, Isfahan University of Technology, Isfahan 84156-83111, Iran
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168
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Jiang J, Huang Y, Wang Y, Xu H, Xing M, Zhong W. Mussel-Inspired Dopamine and Carbon Nanotube Leading to a Biocompatible Self-Rolling Conductive Hydrogel Film. MATERIALS 2017; 10:ma10080964. [PMID: 28820472 PMCID: PMC5578330 DOI: 10.3390/ma10080964] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/16/2017] [Revised: 08/10/2017] [Accepted: 08/16/2017] [Indexed: 12/13/2022]
Abstract
We report a novel self-rolling, conductive, and biocompatible multiwall carbon nanotube (MWCNT)-dopamine-polyethylene glycol (PEG) hydrogel film. The gel can self-fold into a thin tube when it is transferred from a glass slide to an aqueous environment, regardless of the concentrations of the MWCNT. The film presents a highly organized pattern, which results from the self-assembly of hydrophilic dopamine and hydrophobic carbon nanotubes. By exploring the biomedical potential, we found that MWCNT-included rolled film is nontoxic and can promote cell growth. For further functional verification by qPCR (quantitative polymerase chain reaction), bone marrow derived mesenchymal cells present higher levels of osteogenic differentiations in response to a higher concentration of CNTs. The results suggest that the self-rolling, conductive CNT-dopamine-PEG hydrogel could have multiple potentials, including biomedical usage and as a conductive biosensor.
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Affiliation(s)
- Junzi Jiang
- Department of Mechanical Engineering, University of Manitoba, Winnipeg, MB R3T 2N2, Canada.
| | - Yong Huang
- Chongqing Academy of Animal Sciences, Chongqing 402460, China.
| | - Yitian Wang
- Department of Biosystem Engineering, University of Manitoba, Winnipeg, MB R3T 2N2, Canada.
| | - Hui Xu
- Department of Biosystem Engineering, University of Manitoba, Winnipeg, MB R3T 2N2, Canada.
| | - Malcolm Xing
- Department of Mechanical Engineering, University of Manitoba, Winnipeg, MB R3T 2N2, Canada.
| | - Wen Zhong
- Department of Biosystem Engineering, University of Manitoba, Winnipeg, MB R3T 2N2, Canada.
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169
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Montero de Espinosa L, Meesorn W, Moatsou D, Weder C. Bioinspired Polymer Systems with Stimuli-Responsive Mechanical Properties. Chem Rev 2017; 117:12851-12892. [DOI: 10.1021/acs.chemrev.7b00168] [Citation(s) in RCA: 228] [Impact Index Per Article: 32.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Affiliation(s)
| | - Worarin Meesorn
- Adolphe Merkle Institute, University of Fribourg, Chemin des Verdiers 4, 1700 Fribourg, Switzerland
| | - Dafni Moatsou
- Adolphe Merkle Institute, University of Fribourg, Chemin des Verdiers 4, 1700 Fribourg, Switzerland
| | - Christoph Weder
- Adolphe Merkle Institute, University of Fribourg, Chemin des Verdiers 4, 1700 Fribourg, Switzerland
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170
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Lu D, Wang H, Li T, Li Y, Dou F, Sun S, Guo H, Liao S, Yang Z, Wei Q, Lei Z. Mussel-Inspired Thermoresponsive Polypeptide-Pluronic Copolymers for Versatile Surgical Adhesives and Hemostasis. ACS APPLIED MATERIALS & INTERFACES 2017; 9:16756-16766. [PMID: 28472883 DOI: 10.1021/acsami.6b16575] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
Inspired by marine mussel adhesive proteins, polymers with catechol side groups have been extensively explored in industrial and academic research. Here, Pluronic L-31 alcoholate ions were used as the initiator to prepare a series of polypeptide-Pluronic-polypeptide triblock copolymers via ring-opening polymerization of l-DOPA-N-carboxyanhydride (DOPA-NCA), l-arginine-NCA (Arg-NCA), l-cysteine-NCA (Cys-NCA), and ε-N-acryloyl lysine-NCA (Ac-Lys-NCA). These copolymers demonstrated good biodegradability, biocompatibility, and thermoresponsive properties. Adhesion tests using porcine skin and bone as adherends demonstrated lap-shear adhesion strengths up to 106 kPa and tensile adhesion strengths up to 675 kPa. The antibleeding activity and tissue adhesive ability were evaluated using a rat model. These polypeptide-Pluronic copolymer glues showed superior hemostatic properties and superior effects in wound healing and osteotomy gaps. Complete healing of skin incisions and remodeling of osteotomy gaps were observed in all rats after 14 and 60 days, respectively. These copolymers have potential uses as tissue adhesives, antibleeding, and tissue engineering materials.
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Affiliation(s)
- Dedai Lu
- Key Laboratory of Eco-environment-related Polymer Materials, Ministry of Education, Key Laboratory of Polymer Materials of Gansu Province, College of Chemistry and Chemical Engineering, Northwest Normal University , Lanzhou 730070, China
| | - Hongsen Wang
- Key Laboratory of Eco-environment-related Polymer Materials, Ministry of Education, Key Laboratory of Polymer Materials of Gansu Province, College of Chemistry and Chemical Engineering, Northwest Normal University , Lanzhou 730070, China
| | - Ting'e Li
- Key Laboratory of Eco-environment-related Polymer Materials, Ministry of Education, Key Laboratory of Polymer Materials of Gansu Province, College of Chemistry and Chemical Engineering, Northwest Normal University , Lanzhou 730070, China
| | - Yunfei Li
- Key Laboratory of Eco-environment-related Polymer Materials, Ministry of Education, Key Laboratory of Polymer Materials of Gansu Province, College of Chemistry and Chemical Engineering, Northwest Normal University , Lanzhou 730070, China
| | - Fajuan Dou
- Key Laboratory of Eco-environment-related Polymer Materials, Ministry of Education, Key Laboratory of Polymer Materials of Gansu Province, College of Chemistry and Chemical Engineering, Northwest Normal University , Lanzhou 730070, China
| | - Shaobo Sun
- School of Basic Medical Sciences, Gansu University of Chinese Medicine , Lanzhou 730000, China
| | - Hongyun Guo
- Institute of Gansu Medical Science Research, Gansu Provincial Cancer Hospital , Lanzhou 730050, China
| | - Shiqi Liao
- Institute of Gansu Medical Science Research, Gansu Provincial Cancer Hospital , Lanzhou 730050, China
| | - Zhiwang Yang
- Key Laboratory of Eco-environment-related Polymer Materials, Ministry of Education, Key Laboratory of Polymer Materials of Gansu Province, College of Chemistry and Chemical Engineering, Northwest Normal University , Lanzhou 730070, China
| | - Qiangbing Wei
- Key Laboratory of Eco-environment-related Polymer Materials, Ministry of Education, Key Laboratory of Polymer Materials of Gansu Province, College of Chemistry and Chemical Engineering, Northwest Normal University , Lanzhou 730070, China
| | - Ziqiang Lei
- Key Laboratory of Eco-environment-related Polymer Materials, Ministry of Education, Key Laboratory of Polymer Materials of Gansu Province, College of Chemistry and Chemical Engineering, Northwest Normal University , Lanzhou 730070, China
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171
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Li Q, Bai Y, Jin T, Wang S, Cui W, Stanciulescu I, Yang R, Nie H, Wang L, Zhang X. Bioinspired Engineering of Poly(ethylene glycol) Hydrogels and Natural Protein Fibers for Layered Heart Valve Constructs. ACS APPLIED MATERIALS & INTERFACES 2017; 9:16524-16535. [PMID: 28448124 DOI: 10.1021/acsami.7b03281] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
Layered constructs from poly(ethylene glycol) (PEG) hydrogels and chicken eggshell membranes (ESMs) are fabricated, which can be further cross-linked by glutaraldehyde (GA) to form GA-PEG-ESM composites. Our results indicate that ESMs composed of protein fibrous networks show elastic moduli ∼3.3-5.0 MPa and elongation percentages ∼47-56%, close to human heart valve leaflets. Finite element simulations reveal obvious stress concentration on a partial number of fibers in the GA-cross-linked ESM (GA-ESM) samples, which can be alleviated by efficient stress distribution among multiple layers of ESMs embedded in PEG hydrogels. Moreover, the polymeric networks of PEG hydrogels can prevent mineral deposition and enzyme degradation of protein fibers from incorporated ESMs. The fibrous structures of ESMs retain in the GA-PEG-ESM samples after subcutaneous implantation for 4 weeks, while those from ESM and GA-ESM samples show early degradation to certain extent, suggesting the prevention of enzymatic degradation of protein fibers by the polymeric network of PEG hydrogels in vivo. Thus, these GA-PEG-ESM layered constructs show heterogenic structures and mechanical properties comparable to heart valve leaflets, as well as improved functions to prevent progressive calcification and enzymatic degeneration, which are likely used for artificial heart valves.
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Affiliation(s)
- Qian Li
- Shenyang National Laboratory for Materials Science, Institute of Metal Research, Chinese Academy of Sciences , Shenyang, Liaoning 110016, China
- Department of Chemistry, Northeastern University , Shenyang, Liaoning 110004, China
| | - Yun Bai
- Shenyang National Laboratory for Materials Science, Institute of Metal Research, Chinese Academy of Sciences , Shenyang, Liaoning 110016, China
| | - Tao Jin
- Department of Civil and Environmental Engineering, Rice University , Houston, Texas 77005, United States
| | - Shuo Wang
- Institute of Bionanotechnology and Tissue Engineering, College of Life Sciences, Hunan University , Changsha, Hunan 410082, China
| | - Wei Cui
- Shenyang National Laboratory for Materials Science, Institute of Metal Research, Chinese Academy of Sciences , Shenyang, Liaoning 110016, China
| | - Ilinca Stanciulescu
- Department of Civil and Environmental Engineering, Rice University , Houston, Texas 77005, United States
| | - Rui Yang
- Shenyang National Laboratory for Materials Science, Institute of Metal Research, Chinese Academy of Sciences , Shenyang, Liaoning 110016, China
- School of Materials Science, University of Science and Technology of China , Hefei, Anhui 230026, China
| | - Hemin Nie
- Institute of Bionanotechnology and Tissue Engineering, College of Life Sciences, Hunan University , Changsha, Hunan 410082, China
| | - Linshan Wang
- Department of Chemistry, Northeastern University , Shenyang, Liaoning 110004, China
| | - Xing Zhang
- Shenyang National Laboratory for Materials Science, Institute of Metal Research, Chinese Academy of Sciences , Shenyang, Liaoning 110016, China
- School of Materials Science, University of Science and Technology of China , Hefei, Anhui 230026, China
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172
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Liu Y, Meng H, Qian Z, Fan N, Choi W, Zhao F, Lee BP. A Moldable Nanocomposite Hydrogel Composed of a Mussel-Inspired Polymer and a Nanosilicate as a Fit-to-Shape Tissue Sealant. Angew Chem Int Ed Engl 2017; 56:4224-4228. [PMID: 28296024 PMCID: PMC5497317 DOI: 10.1002/anie.201700628] [Citation(s) in RCA: 110] [Impact Index Per Article: 15.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2017] [Indexed: 01/14/2023]
Abstract
The engineering of bioadhesives to bind and conform to the complex contour of tissue surfaces remains a challenge. We have developed a novel moldable nanocomposite hydrogel by combining dopamine-modified poly(ethylene glycol) and the nanosilicate Laponite, without the use of cytotoxic oxidants. The hydrogel transitioned from a reversibly cross-linked network formed by dopamine-Laponite interfacial interactions to a covalently cross-linked network through the slow autoxidation and cross-linking of catechol moieties. Initially, the hydrogel could be remolded to different shapes, could recover from large strain deformation, and could be injected through a syringe to adhere to the convex contour of a tissue surface. With time, the hydrogel solidified to adopt the new shape and sealed defects on the tissue. This fit-to-shape sealant has potential in sealing tissues with non-flat geometries, such as a sutured anastomosis.
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Affiliation(s)
- Yuan Liu
- Department of Biomedical Engineering, Michigan Technological University, 1400 Townsend Drive, Houghton, MI, 49931, USA
| | - Hao Meng
- Department of Biomedical Engineering, Michigan Technological University, 1400 Townsend Drive, Houghton, MI, 49931, USA
| | - Zichen Qian
- Department of Biomedical Engineering, Michigan Technological University, 1400 Townsend Drive, Houghton, MI, 49931, USA
| | - Ni Fan
- Department of Chemistry, Michigan Technological University, 1400 Townsend Drive, Houghton, MI, 49931, USA
| | - Wonyoung Choi
- Department of Biomedical Engineering, Michigan Technological University, 1400 Townsend Drive, Houghton, MI, 49931, USA
| | - Feng Zhao
- Department of Biomedical Engineering, Michigan Technological University, 1400 Townsend Drive, Houghton, MI, 49931, USA
| | - Bruce P Lee
- Department of Biomedical Engineering, Michigan Technological University, 1400 Townsend Drive, Houghton, MI, 49931, USA
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173
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A bioinspired elastin-based protein for a cytocompatible underwater adhesive. Biomaterials 2017; 124:116-125. [DOI: 10.1016/j.biomaterials.2017.01.034] [Citation(s) in RCA: 85] [Impact Index Per Article: 12.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2016] [Revised: 12/20/2016] [Accepted: 01/27/2017] [Indexed: 01/04/2023]
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174
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Donnelly PE, Chen T, Finch A, Brial C, Maher SA, Torzilli PA. Photocrosslinked tyramine-substituted hyaluronate hydrogels with tunable mechanical properties improve immediate tissue-hydrogel interfacial strength in articular cartilage. JOURNAL OF BIOMATERIALS SCIENCE. POLYMER EDITION 2017; 28:582-600. [PMID: 28134036 PMCID: PMC5462458 DOI: 10.1080/09205063.2017.1289035] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/02/2016] [Accepted: 01/27/2017] [Indexed: 10/20/2022]
Abstract
Articular cartilage lacks the ability to self-repair and a permanent solution for cartilage repair remains elusive. Hydrogel implantation is a promising technique for cartilage repair; however for the technique to be successful hydrogels must interface with the surrounding tissue. The objective of this study was to investigate the tunability of mechanical properties in a hydrogel system using a phenol-substituted polymer, tyramine-substituted hyaluronate (TA-HA), and to determine if the hydrogels could form an interface with cartilage. We hypothesized that tyramine moieties on hyaluronate could crosslink to aromatic amino acids in the cartilage extracellular matrix. Ultraviolet (UV) light and a riboflavin photosensitizer were used to create a hydrogel by tyramine self-crosslinking. The gel mechanical properties were tuned by varying riboflavin concentration, TA-HA concentration, and UV exposure time. Hydrogels formed with a minimum of 2.5 min of UV exposure. The compressive modulus varied from 5 to 16 kPa. Fluorescence spectroscopy analysis found differences in dityramine content. Cyanine-3 labelled tyramide reactivity at the surface of cartilage was dependent on the presence of riboflavin and UV exposure time. Hydrogels fabricated within articular cartilage defects had increasing peak interfacial shear stress at the cartilage-hydrogel interface with increasing UV exposure time, reaching a maximum shear stress 3.5× greater than a press-fit control. Our results found that phenol-substituted polymer/riboflavin systems can be used to fabricate hydrogels with tunable mechanical properties and can interface with the surface tissue, such as articular cartilage.
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Affiliation(s)
- Patrick E. Donnelly
- Laboratory for Soft Tissue Research, Hospital for Special Surgery, New York, NY 10021, USA
- Department of Biomechanics, Hospital for Special Surgery, New York, NY 10021, USA
| | - Tony Chen
- Laboratory for Soft Tissue Research, Hospital for Special Surgery, New York, NY 10021, USA
- Department of Biomechanics, Hospital for Special Surgery, New York, NY 10021, USA
| | - Anthony Finch
- Laboratory for Soft Tissue Research, Hospital for Special Surgery, New York, NY 10021, USA
| | - Caroline Brial
- Department of Biomechanics, Hospital for Special Surgery, New York, NY 10021, USA
| | - Suzanne A. Maher
- Laboratory for Soft Tissue Research, Hospital for Special Surgery, New York, NY 10021, USA
- Department of Biomechanics, Hospital for Special Surgery, New York, NY 10021, USA
| | - Peter A. Torzilli
- Laboratory for Soft Tissue Research, Hospital for Special Surgery, New York, NY 10021, USA
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175
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Han L, Lu X, Liu K, Wang K, Fang L, Weng LT, Zhang H, Tang Y, Ren F, Zhao C, Sun G, Liang R, Li Z. Mussel-Inspired Adhesive and Tough Hydrogel Based on Nanoclay Confined Dopamine Polymerization. ACS NANO 2017; 11:2561-2574. [PMID: 28245107 DOI: 10.1021/acsnano.6b05318] [Citation(s) in RCA: 477] [Impact Index Per Article: 68.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
Abstract
Adhesive hydrogels are attractive biomaterials for various applications, such as electronic skin, wound dressing, and wearable devices. However, fabricating a hydrogel with both adequate adhesiveness and excellent mechanical properties remains a challenge. Inspired by the adhesion mechanism of mussels, we used a two-step process to develop an adhesive and tough polydopamine-clay-polyacrylamide (PDA-clay-PAM) hydrogel. Dopamine was intercalated into clay nanosheets and limitedly oxidized between the layers, resulting in PDA-intercalated clay nanosheets containing free catechol groups. Acrylamide monomers were then added and in situ polymerized to form the hydrogel. Unlike previous single-use adhesive hydrogels, our hydrogel showed repeatable and durable adhesiveness. It adhered directly on human skin without causing an inflammatory response and was easily removed without causing damage. The adhesiveness of this hydrogel was attributed to the presence of enough free catechol groups in the hydrogel, which were created by controlling the oxidation process of the PDA in the confined nanolayers of clay. This mimicked the adhesion mechanism of the mussels, which maintain a high concentration of catechol groups in the confined nanospace of their byssal plaque. The hydrogel also displayed superior toughness, which resulted from nanoreinforcement by clay and PDA-induced cooperative interactions with the hydrogel networks. Moreover, the hydrogel favored cell attachment and proliferation, owning to the high cell affinity of PDA. Rat full-thickness skin defect experiments demonstrated that the hydrogel was an excellent dressing. This free-standing, adhesive, tough, and biocompatible hydrogel may be more convenient for surgical applications than adhesives that involve in situ gelation and extra agents.
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Affiliation(s)
- Lu Han
- Key Lab of Advanced Technologies of Materials, Ministry of Education, School of Materials Science and Engineering, Southwest Jiaotong University , Chengdu 610031, Sichuan, China
| | - Xiong Lu
- Key Lab of Advanced Technologies of Materials, Ministry of Education, School of Materials Science and Engineering, Southwest Jiaotong University , Chengdu 610031, Sichuan, China
- National Engineering Research Center for Biomaterials, Genome Research Center for Biomaterials, Sichuan University , Chengdu 610064, Sichuan, China
| | - Kezhi Liu
- Key Lab of Advanced Technologies of Materials, Ministry of Education, School of Materials Science and Engineering, Southwest Jiaotong University , Chengdu 610031, Sichuan, China
| | - Kefeng Wang
- National Engineering Research Center for Biomaterials, Genome Research Center for Biomaterials, Sichuan University , Chengdu 610064, Sichuan, China
| | - Liming Fang
- Department of Polymer Science and Engineering, School of Materials Science and Engineering, South China University of Technology of China , Guangzhou 510641, China
| | - Lu-Tao Weng
- Department of Chemical and Biomolecular Engineering, Materials Characterisation and Preparation Facility, Department of Civil and Environmental Engineering The Hong Kong University of Science and Technology , Hong Kong, China
| | - Hongping Zhang
- Engineering Research Center of Biomass Materials, Ministry of Education, School of Materials Science and Engineering, Southwest University of Science and Technology , Mianyang 621010, China
| | - Youhong Tang
- Centre for NanoScale Science and Technology and School of Computer Science, Engineering, and Mathematics, Flinders University , Adelaide 5042, South Australia, Australia
| | - Fuzeng Ren
- Department of Materials Science and Engineering, South University of Science and Technology , Shenzhen, Guangdong 518055, China
| | - Cancan Zhao
- Department of Materials Science and Engineering, South University of Science and Technology , Shenzhen, Guangdong 518055, China
| | - Guoxing Sun
- Department of Chemical and Biomolecular Engineering, Materials Characterisation and Preparation Facility, Department of Civil and Environmental Engineering The Hong Kong University of Science and Technology , Hong Kong, China
| | - Rui Liang
- Department of Chemical and Biomolecular Engineering, Materials Characterisation and Preparation Facility, Department of Civil and Environmental Engineering The Hong Kong University of Science and Technology , Hong Kong, China
| | - Zongjin Li
- Department of Chemical and Biomolecular Engineering, Materials Characterisation and Preparation Facility, Department of Civil and Environmental Engineering The Hong Kong University of Science and Technology , Hong Kong, China
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176
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Liu Y, Meng H, Qian Z, Fan N, Choi W, Zhao F, Lee BP. A Moldable Nanocomposite Hydrogel Composed of a Mussel-Inspired Polymer and a Nanosilicate as a Fit-to-Shape Tissue Sealant. Angew Chem Int Ed Engl 2017. [DOI: 10.1002/ange.201700628] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Yuan Liu
- Department of Biomedical Engineering; Michigan Technological University; 1400 Townsend Drive Houghton MI 49931 USA
| | - Hao Meng
- Department of Biomedical Engineering; Michigan Technological University; 1400 Townsend Drive Houghton MI 49931 USA
| | - Zichen Qian
- Department of Biomedical Engineering; Michigan Technological University; 1400 Townsend Drive Houghton MI 49931 USA
| | - Ni Fan
- Department of Chemistry; Michigan Technological University; 1400 Townsend Drive Houghton MI 49931 USA
| | - Wonyoung Choi
- Department of Biomedical Engineering; Michigan Technological University; 1400 Townsend Drive Houghton MI 49931 USA
| | - Feng Zhao
- Department of Biomedical Engineering; Michigan Technological University; 1400 Townsend Drive Houghton MI 49931 USA
| | - Bruce P. Lee
- Department of Biomedical Engineering; Michigan Technological University; 1400 Townsend Drive Houghton MI 49931 USA
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177
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Hoque J, Prakash RG, Paramanandham K, Shome BR, Haldar J. Biocompatible Injectable Hydrogel with Potent Wound Healing and Antibacterial Properties. Mol Pharm 2017; 14:1218-1230. [DOI: 10.1021/acs.molpharmaceut.6b01104] [Citation(s) in RCA: 100] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Affiliation(s)
- Jiaul Hoque
- Chemical
Biology and Medicinal Chemistry Laboratory, New Chemistry Unit, Jawaharlal Nehru Centre for Advanced Scientific Research, Jakkur, Bengaluru 560064, India
| | - Relekar G. Prakash
- Chemical
Biology and Medicinal Chemistry Laboratory, New Chemistry Unit, Jawaharlal Nehru Centre for Advanced Scientific Research, Jakkur, Bengaluru 560064, India
| | - Krishnamoorthy Paramanandham
- National Institute of Veterinary Epidemiology and Disease Informatics (NIVEDI) Ramagondanahalli, Yelahanka, Bengaluru 560064, India
| | - Bibek R. Shome
- National Institute of Veterinary Epidemiology and Disease Informatics (NIVEDI) Ramagondanahalli, Yelahanka, Bengaluru 560064, India
| | - Jayanta Haldar
- Chemical
Biology and Medicinal Chemistry Laboratory, New Chemistry Unit, Jawaharlal Nehru Centre for Advanced Scientific Research, Jakkur, Bengaluru 560064, India
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178
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Ding X, Wang Y. Weak Bond-Based Injectable and Stimuli Responsive Hydrogels for Biomedical Applications. J Mater Chem B 2017; 5:887-906. [PMID: 29062484 PMCID: PMC5650238 DOI: 10.1039/c6tb03052a] [Citation(s) in RCA: 69] [Impact Index Per Article: 9.9] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/13/2023]
Abstract
Here we define hydrogels crosslinked by weak bonds as physical hydrogels. They possess unique features including reversible bonding, shear thinning and stimuli-responsiveness. Unlike covalently crosslinked hydrogels, physical hydrogels do not require triggers to initiate chemical reactions for in situ gelation. The drug can be fully loaded in a pre-formed hydrogel for delivery with minimal cargo leakage during injection. These benefits make physical hydrogels useful as delivery vehicles for applications in biomedical engineering. This review focuses on recent advances of physical hydrogels crosslinked by weak bonds: hydrogen bonds, ionic interactions, host-guest chemistry, hydrophobic interactions, coordination bonds and π-π stacking interactions. Understanding the principles and the state of the art of gels with these dynamic bonds may give rise to breakthroughs in many biomedical research areas including drug delivery and tissue engineering.
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Affiliation(s)
- Xiaochu Ding
- Department of Bioengineering and the McGowan Institute for Regenerative Medicine, University of Pittsburgh, Pittsburgh, PA 15261, USA
| | - Yadong Wang
- Department of Bioengineering and the McGowan Institute for Regenerative Medicine, University of Pittsburgh, Pittsburgh, PA 15261, USA
- Department of Surgery, University of Pittsburgh, Pittsburgh, PA 15260, USA
- Department of Chemical and Petroleum Engineering, Swanson School of Engineering, University of Pittsburgh, Pittsburgh, PA 15261, USA
- Department of Mechanical Engineering and Materials Science, University of Pittsburgh, Pittsburgh, PA 15261, USA
- Clinical Translational Science Institute, University of Pittsburgh School of Medicine, Pittsburgh, PA 15261, USA
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179
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Bu Y, Shen H, Yang F, Yang Y, Wang X, Wu D. Construction of Tough, in Situ Forming Double-Network Hydrogels with Good Biocompatibility. ACS APPLIED MATERIALS & INTERFACES 2017; 9:2205-2212. [PMID: 28029238 DOI: 10.1021/acsami.6b15364] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
Hydrogels are required to have high mechanical properties, biocompatibility, and an easy fabrication process for biomedical applications. Double-network hydrogels, although strong, are limited because of the complicated preparation steps and toxic materials involved. In this study, we report a simple method to prepare tough, in situ forming polyethylene glycol (PEG)-agarose double-network (PEG-agarose DN) hydrogels with good biocompatibility. The hydrogels display excellent mechanical strength. Because of the easily in situ forming method, the resulting hydrogels can be molded into any form as needed. In vitro and in vivo experiments illustrate that the hydrogels exhibit satisfactory biocompatibility, and cells can attach and spread on the hydrogels. Furthermore, the residual amino groups in the network can also be functionalized for various biomedical applications in tissue engineering and cell research.
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Affiliation(s)
- Yazhong Bu
- Beijing National Laboratory for Molecular Sciences, State Key Laboratory of Polymer Physics & Chemistry, Institute of Chemistry, Chinese Academy of Sciences , Beijing 100190, China
- University of Chinese Academy of Sciences , Beijing 100049, PR China
| | - Hong Shen
- Beijing National Laboratory for Molecular Sciences, State Key Laboratory of Polymer Physics & Chemistry, Institute of Chemistry, Chinese Academy of Sciences , Beijing 100190, China
| | - Fei Yang
- Beijing National Laboratory for Molecular Sciences, State Key Laboratory of Polymer Physics & Chemistry, Institute of Chemistry, Chinese Academy of Sciences , Beijing 100190, China
- University of Chinese Academy of Sciences , Beijing 100049, PR China
| | - Yanyu Yang
- Beijing National Laboratory for Molecular Sciences, State Key Laboratory of Polymer Physics & Chemistry, Institute of Chemistry, Chinese Academy of Sciences , Beijing 100190, China
- University of Chinese Academy of Sciences , Beijing 100049, PR China
| | - Xing Wang
- Beijing National Laboratory for Molecular Sciences, State Key Laboratory of Polymer Physics & Chemistry, Institute of Chemistry, Chinese Academy of Sciences , Beijing 100190, China
| | - Decheng Wu
- Beijing National Laboratory for Molecular Sciences, State Key Laboratory of Polymer Physics & Chemistry, Institute of Chemistry, Chinese Academy of Sciences , Beijing 100190, China
- University of Chinese Academy of Sciences , Beijing 100049, PR China
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180
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Meng H, Liu Y, Lee BP. Model polymer system for investigating the generation of hydrogen peroxide and its biological responses during the crosslinking of mussel adhesive moiety. Acta Biomater 2017; 48:144-156. [PMID: 27744069 PMCID: PMC5235946 DOI: 10.1016/j.actbio.2016.10.016] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2016] [Revised: 09/25/2016] [Accepted: 10/11/2016] [Indexed: 12/21/2022]
Abstract
Mussel adhesive moiety, catechol, has been utilized to design a wide variety of biomaterials. However, the biocompatibility and biological responses associated with the byproducts generated during the curing process of catechol has never been characterized. An in situ curable polymer model system, 4-armed polyethylene glycol polymer end-capped with dopamine (PEG-D4), was used to characterize the production of hydrogen peroxide (H2O2) during the oxidative crosslinking of catechol. Although PEG-D4 cured rapidly (under 30s), catechol continues to polymerize over several hours to form a more densely crosslinked network over time. PEG-D4 hydrogels were examined at two different time points; 5min and 16h after initiation of crosslinking. Catechol in the 5min-cured PEG-D4 retained the ability to continue to crosslink and generated an order of magnitude higher H2O2 (40μM) over 6h when compared to 16h-cured samples that ceased to crosslink. H2O2 generated during catechol crosslinking exhibited localized cytotoxicity in culture and upregulated the expression of an antioxidant enzyme, peroxiredoxin 2, in primary dermal and tendon fibroblasts. Subcutaneous implantation study indicated that H2O2 released during oxidative crosslinking of PEG-D4 hydrogel promoted superoxide generation, macrophage recruitment, and M2 macrophage polarization in tissues surrounding the implant. Given the multitude of biological responses associated with H2O2, it is important to monitor and tailor the production of H2O2 generated from catechol-containing biomaterials for a given application. STATEMENT OF SIGNIFICANCE Remarkable underwater adhesion strategy employed by mussels has been utilized to design a wide variety of biomaterials ranging from tissue adhesives to drug carrier and tissue engineering scaffolds. Catechol is the main adhesive moiety that is widely incorporated to create an injectable biomaterials and bioadhesives. However, the biocompatibility and biological responses associated with the byproducts generated during the curing process of catechol has never been characterized. In this manuscript, we design a model system to systemically characterize the release of hydrogen peroxide (H2O2) during the crosslinking of catechol. Given the multitude of biological responses associated with H2O2 (i.e., wound healing, antimicrobial, chronic inflammation), its release from catechol-containing biomaterials need to be carefully monitored and controlled for a desired application.
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Affiliation(s)
- Hao Meng
- Department of Biomedical Engineering, Michigan Technological University, Houghton, MI 49931, USA
| | - Yuan Liu
- Department of Biomedical Engineering, Michigan Technological University, Houghton, MI 49931, USA
| | - Bruce P Lee
- Department of Biomedical Engineering, Michigan Technological University, Houghton, MI 49931, USA.
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181
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Yang Y, Hu W. Bifunctional polydopamine thin film coated zinc oxide nanorods for label-free photoelectrochemical immunoassay. Talanta 2017; 166:141-147. [PMID: 28213214 DOI: 10.1016/j.talanta.2017.01.024] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2016] [Revised: 12/30/2016] [Accepted: 01/06/2017] [Indexed: 10/20/2022]
Abstract
Photoelectrochemical (PEC) detection is a promising method for label-free immunoassay by reporting the specific biological recognition events with electrical signals. However, it is challenging to rationally incorporate immunosensing components with a photocurrent conversion interface, which generally necessitates multistep fabrication and careful tailoring of various components such as photoactive material and biological probe. For high detection reliability and reproducibility, it is highly desirable to rationally construct an efficient PEC interface with architecture as simple as possible. In this work, a novel yet simple PEC immunosensor based on bio-inspired polydopamine (PDA) thin film-coated zinc oxide (ZnO) nanorods was reported. In this PEC immunosensor, the PDA thin film serves simultaneously as a unique sensitizer for charge separation as well as a functional layer for probe antibody attachment. The photocurrent on this electrode under illumination decreases upon the immunoreaction on the surface, possibly due to the blocking effect of formed immunocomplexes on the access of reducing reagent to the photoelectrode, thus offering a simple and reliable platform for PEC label-free immunoassay. By using an antibody-antigen pair as a model, successful label-free immunoassay was achieved with a detection limit of 10pgmL-1 and a dynamic range from 100pgmL-1 to 500ngmL-1. This work demonstrates intriguing electro-optical property and bioconjugation activity of PDA film and may pave the way toward advanced PEC immunoassays.
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Affiliation(s)
- Yan Yang
- Institute for Clean Energy & Advanced Materials, Faculty of Materials and Energy, Southwest University, Chongqing 400715, China; Chongqing Key Laboratory for Advanced Materials and Technologies of Clean Energies, Southwest University, Chongqing 400715, China
| | - Weihua Hu
- Institute for Clean Energy & Advanced Materials, Faculty of Materials and Energy, Southwest University, Chongqing 400715, China; Chongqing Key Laboratory for Advanced Materials and Technologies of Clean Energies, Southwest University, Chongqing 400715, China.
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182
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Shan M, Gong C, Li B, Wu G. A pH, glucose, and dopamine triple-responsive, self-healable adhesive hydrogel formed by phenylborate–catechol complexation. Polym Chem 2017. [DOI: 10.1039/c7py00519a] [Citation(s) in RCA: 84] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
A pH, glucose, and dopamine triple-responsive, self-healable and adhesive polyethylene glycol hydrogel was developed via the formation of phenylborate–catechol complexation.
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Affiliation(s)
- Meng Shan
- Key Laboratory of Functional Polymer Materials
- Institute of Polymer Chemistry
- Nankai University
- Tianjin 300071
- P. R. China
| | - Chu Gong
- Key Laboratory of Functional Polymer Materials
- Institute of Polymer Chemistry
- Nankai University
- Tianjin 300071
- P. R. China
| | - Bingqiang Li
- Key Laboratory of Functional Polymer Materials
- Institute of Polymer Chemistry
- Nankai University
- Tianjin 300071
- P. R. China
| | - Guolin Wu
- Key Laboratory of Functional Polymer Materials
- Institute of Polymer Chemistry
- Nankai University
- Tianjin 300071
- P. R. China
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183
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Motealleh A, Kehr NS. Nanocomposite Hydrogels and Their Applications in Tissue Engineering. Adv Healthc Mater 2017; 6. [PMID: 27900856 DOI: 10.1002/adhm.201600938] [Citation(s) in RCA: 88] [Impact Index Per Article: 12.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2016] [Revised: 10/18/2016] [Indexed: 01/21/2023]
Abstract
Nanocomposite (NC) hydrogels, organic-inorganic hybrid materials, are of great interest as artificial three-dimensional (3D) biomaterials for biomedical applications. NC hydrogels are prepared in water by chemically or physically cross-linking organic polymers with nanomaterials (NMs). The incorporation of hard inorganic NMs into the soft organic polymer matrix enhances the physical, chemical, and biological properties of NC hydrogels. Therefore, NC hydrogels are excellent candidates for artificial 3D biomaterials, particularly in tissue engineering applications, where they can mimic the chemical, mechanical, electrical, and biological properties of native tissues. A wide range of functional NMs and synthetic or natural organic polymers have been used to design new NC hydrogels with novel properties and tailored functionalities for biomedical uses. Each of these approaches can improve the development of NC hydrogels and, thus, provide advanced 3D biomaterials for biomedical applications.
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Affiliation(s)
- Andisheh Motealleh
- Physikalisches Institut and Center for Nanotechnology; Westfälische Wilhelms-Universität Münster; Heisenbergstrasse 11 D-48149 Münster Germany
| | - Nermin Seda Kehr
- Physikalisches Institut and Center for Nanotechnology; Westfälische Wilhelms-Universität Münster; Heisenbergstrasse 11 D-48149 Münster Germany
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184
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Giovannini G, Kunc F, Piras CC, Stranik O, Edwards AA, Hall AJ, Gubala V. Stabilizing silica nanoparticles in hydrogels: impact on storage and polydispersity. RSC Adv 2017. [DOI: 10.1039/c7ra02427d] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
For successful nanomedicine, it is important that the unique, size-dependent physico-chemical properties of the nanomaterial remain predictably constant during both the storage and the manipulation of the material.
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Affiliation(s)
| | - Filip Kunc
- Medway School of Pharmacy
- University of Kent
- Chatham
- UK
| | | | - Ondrej Stranik
- The Leibniz Institute of Photonic Technology (IPHT)
- 07745 Jena
- Germany
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185
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Kord Forooshani P, Lee BP. Recent approaches in designing bioadhesive materials inspired by mussel adhesive protein. JOURNAL OF POLYMER SCIENCE. PART A, POLYMER CHEMISTRY 2017; 55:9-33. [PMID: 27917020 PMCID: PMC5132118 DOI: 10.1002/pola.28368] [Citation(s) in RCA: 349] [Impact Index Per Article: 49.9] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/01/2016] [Accepted: 09/03/2016] [Indexed: 12/11/2022]
Abstract
Marine mussels secret protein-based adhesives, which enable them to anchor to various surfaces in a saline, intertidal zone. Mussel foot proteins (Mfps) contain a large abundance of a unique, catecholic amino acid, Dopa, in their protein sequences. Catechol offers robust and durable adhesion to various substrate surfaces and contributes to the curing of the adhesive plaques. In this article, we review the unique features and the key functionalities of Mfps, catechol chemistry, and strategies for preparing catechol-functionalized polymers. Specifically, we reviewed recent findings on the contributions of various features of Mfps on interfacial binding, which include coacervate formation, surface drying properties, control of the oxidation state of catechol, among other features. We also summarized recent developments in designing advanced biomimetic materials including coacervate-forming adhesives, mechanically improved nano- and micro-composite adhesive hydrogels, as well as smart and self-healing materials. Finally, we review the applications of catechol-functionalized materials for the use as biomedical adhesives, therapeutic applications, and antifouling coatings. © 2016 The Authors. Journal of Polymer Science Part A: Polymer Chemistry Published by Wiley Periodicals, Inc. J. Polym. Sci., Part A: Polym. Chem. 2017, 55, 9-33.
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Affiliation(s)
- Pegah Kord Forooshani
- Department of Biomedical EngineeringMichigan Technological UniversityHoughtonMichigan49931
| | - Bruce P. Lee
- Department of Biomedical EngineeringMichigan Technological UniversityHoughtonMichigan49931
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186
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Abstract
Tissue adhesives have been introduced as a promising alternative for the traditional wound closure method of suturing.
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Affiliation(s)
| | - Wen Zhong
- Department of Biosystem Engineering
- University of Manitoba
- Canada
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187
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Scognamiglio F, Travan A, Borgogna M, Donati I, Marsich E, Bosmans J, Perge L, Foulc M, Bouvy N, Paoletti S. Enhanced bioadhesivity of dopamine-functionalized polysaccharidic membranes for general surgery applications. Acta Biomater 2016; 44:232-42. [PMID: 27542316 DOI: 10.1016/j.actbio.2016.08.017] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2016] [Revised: 07/19/2016] [Accepted: 08/11/2016] [Indexed: 02/07/2023]
Abstract
UNLABELLED An emerging strategy to improve adhesiveness of biomaterials in wet conditions takes inspiration from the adhesive features of marine mussel, which reside in the chemical reactivity of catechols. In this work, a catechol-bearing molecule (dopamine) was chemically grafted onto alginate to develop a polysaccharide-based membrane with improved adhesive properties. The dopamine-modified alginates were characterized by NMR, UV spectroscopy and in vitro biocompatibility. Mechanical tests and in vitro adhesion studies pointed out the effects of the grafted dopamine within the membranes. The release of HA from these resorbable membranes was shown to stimulate fibroblasts activities (in vitro). Finally, a preliminary in vivo test was performed to evaluate the adhesiveness of the membrane on porcine intestine (serosa). Overall, this functionalized membrane was shown to be biocompatible and to possess considerable adhesive properties owing to the presence of dopamine residues grafted on the alginate backbone. STATEMENT OF SIGNIFICANCE This article describes the development of a mussels-inspired strategy for the development of an adhesive polysaccharide-based membrane for wound healing applications. Bioadhesion was achieved by grafting dopamine moieties on the structural component on the membrane (alginate): this novel biomaterial showed improved adhesiveness to the intestinal tissue, which was demonstrated by both in vitro and in vivo studies. Overall, this study points out how this nature-inspired strategy may be successfully exploited for the development of novel engineered biomaterials with enhanced bioadhesion, thus opening for novel applications in the field of general surgery.
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188
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Hu H, Dyke JC, Bowman BA, Ko CC, You W. Investigation of Dopamine Analogues: Synthesis, Mechanistic Understanding, and Structure-Property Relationship. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2016; 32:9873-9882. [PMID: 27595572 DOI: 10.1021/acs.langmuir.6b02141] [Citation(s) in RCA: 39] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
Dopamine, perhaps the simplest molecule that covalently links catechol and amine, together with its derivatives, has shown impressive adhesive and coating properties with its polymers. However, the scope of the molecules is rather limited, and the polymerization mechanisms are still elusive. We designed a general synthetic scheme and successfully synthesized a series of dopamine analogues with different alkyl chain lengths between the catechol and amine. Taking these new dopamine analogues, together with the molecular systems that have separate catechol and alkyl amine, we show that having both catechol and amine in the molecular system, whether covalently linked via an alkyl chain or not, is sufficient to polymerize under a similar reaction condition to that of dopamine polymerization. However, the time-dependent UV-vis characterization of the individual polymerization indicates that the polymerization for individual molecular systems likely proceeds via different reaction intermediates, depending on the length of the alkyl chain and whether there is a covalent linkage. Interestingly, whereas the covalent linkage via an alkyl chain is not necessary for showing the adhesive property, it is required to achieve the impressive coating property. Our results offer new insights into the design and synthesis of dopamine analogues for future applications, as well as a further mechanistic understanding of the polymerization of these dopamine analogues.
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Affiliation(s)
- Huamin Hu
- Department of Chemistry, University of North Carolina at Chapel Hill , Chapel Hill, North Carolina 27599-3290, United States
| | - Jason Christopher Dyke
- Department of Chemistry, University of North Carolina at Chapel Hill , Chapel Hill, North Carolina 27599-3290, United States
| | - Brett Allen Bowman
- Department of Chemistry, University of North Carolina at Chapel Hill , Chapel Hill, North Carolina 27599-3290, United States
| | - Ching-Chang Ko
- Department of Orthodontics and Applied Materials Sciences Program, University of North Carolina at Chapel Hill , Chapel Hill, North Carolina 27599-7450, United States
| | - Wei You
- Department of Chemistry, University of North Carolina at Chapel Hill , Chapel Hill, North Carolina 27599-3290, United States
- Department of Applied Physical Sciences, University of North Carolina , Chapel Hill, North Carolina 27599-3216, United States
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189
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Liu Y, Lee BP. Recovery property of double-network hydrogel containing mussel-inspired adhesive moiety and nano-silicate. J Mater Chem B 2016; 4:6534-6540. [PMID: 28461887 DOI: 10.1039/c6tb01828a] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Altough double network (DN) hydrogels are extremly tough, they are irreversibly softened during large strain deformation. We incorporated mussel-inspired adhesive moiety, catechol, and a synthetic nano-silicate, Laponite, into DN to examine the effect of strong, reversible crosslinks on the DN's ability to recover its mechanical properties during successive loading cycles. The introduction of catechol and Laponite drastically increased the compressive strength and toughness of DN without compromising the compliance of the hydrogel. After 2 hours of recovery at room temperature, the nanocomposite DN hydrogel recovered over 95 and 82 % of its strain energy and hysteresis, respectively, during successive compressive loading to a strain of 0.5. Both equilibrium swelling and oscillatory rheometry data confirmed that there were minimal changes to the network crosslinking density and stiffness after large strain compressive deformation, indicating that mechanical loading did not result in irreversible structural damage. Strong catechol-Laponite interactions can be repeatedly broken and reform to dissipate fracture energy and enable the recovery of DN hydrogel.
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Affiliation(s)
- Yuan Liu
- Department of Biomedical Engineering, Michigan Technological University, 1400 Townsend Dr, Houghton, MI, 49931, USA
| | - Bruce P Lee
- Department of Biomedical Engineering, Michigan Technological University, 1400 Townsend Dr, Houghton, MI, 49931, USA
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190
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Narkar A, Barker B, Clisch M, Jiang J, Lee BP. pH Responsive and Oxidation Resistant Wet Adhesive based on Reversible Catechol-Boronate Complexation. CHEMISTRY OF MATERIALS : A PUBLICATION OF THE AMERICAN CHEMICAL SOCIETY 2016; 28:5432-5439. [PMID: 27551163 PMCID: PMC4988242 DOI: 10.1021/acs.chemmater.6b01851] [Citation(s) in RCA: 78] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/09/2016] [Revised: 07/12/2016] [Indexed: 05/22/2023]
Abstract
A smart adhesive capable of binding to a wetted surface was prepared by copolymerizing dopamine methacrylamide (DMA) and 3-acrylamido phenylboronic acid (AAPBA). pH was used to control the oxidation state and the adhesive property of the catechol side chain of DMA and to trigger the catechol-boronate complexation. FTIR spectroscopy confirmed the formation of the complex at pH 9, which was not present at pH 3. The formation of the catechol-boronate complex increased the cross-linking density of the adhesive network. Most notably, the loss modulus values of the adhesive were more than an order of magnitude higher for adhesive incubated at pH 9 when compared to those measured at pH 3. This drastic increase in the viscous dissipation property is attributed to the introduction of reversible complexation into the adhesive network. Based on the Johnson Kendall Roberts (JKR) contact mechanics test, adhesive containing both DMA and AAPBA demonstrated strong interfacial binding properties (work of adhesion (Wadh) = 2000 mJ/m2) to borosilicate glass wetted with an acidic solution (pH 3). When the pH was increased to 9, Wadh values (180 mJ/m2) decreased by more than an order of magnitude. During successive contact cycles, the adhesive demonstrated the capability to transition reversibly between its adhesive and nonadhesive states with changing pH. Adhesive containing only DMA responded slowly to repeated changes in pH and became progressively oxidized without the protection of boronic acid. Although adhesive containing only AAPBA also demonstrated strong wet adhesion (Wadh ∼ 500 mJ/m2), its adhesive properties were not pH responsive. Both DMA and AAPBA are required to fabricate a smart adhesive with tunable and reversible adhesive properties.
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191
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Jahani-Javanmardi A, Sirousazar M, Shaabani Y, Kheiri F. Egg white/poly (vinyl alcohol)/MMT nanocomposite hydrogels for wound dressing. JOURNAL OF BIOMATERIALS SCIENCE-POLYMER EDITION 2016; 27:1262-76. [DOI: 10.1080/09205063.2016.1191825] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
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192
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Bu Y, Zhang L, Liu J, Zhang L, Li T, Shen H, Wang X, Yang F, Tang P, Wu D. Synthesis and Properties of Hemostatic and Bacteria-Responsive in Situ Hydrogels for Emergency Treatment in Critical Situations. ACS APPLIED MATERIALS & INTERFACES 2016; 8:12674-12683. [PMID: 27159886 DOI: 10.1021/acsami.6b03235] [Citation(s) in RCA: 137] [Impact Index Per Article: 17.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
Immediate hemorrhage control and infection prevention are pivotal for saving lives in critical situations such as battlefields, natural disasters, traffic accidents, and so on. In situ hydrogels are promising candidates, but their mechanical strength is often not strong enough for use in critical situations. In this study, we constructed three hydrogels with different amounts of Schiff-base moieties from 4-arm-PEG-NH2, 4-arm-PEG-NHS, and 4-arm-PEG-CHO in which vancomycin was incorporated as an antimicrobial agent. The hydrogels possess porous structures, excellent mechanical strength, and high swelling ratio. The cytotoxicity studies indicated that the composite hydrogel systems possess good biocompatibility. The Schiff bases incorporated improve the adhesiveness and endow the hydrogels with bacteria-sensitivity. The in vivo hemostatic and antimicrobial experiments on rabbits and pigs demonstrated that the hydrogels are able to aid in rapid hemorrhage control and infection prevention. In summary, vancomycin-loaded hydrogels may be excellent candidates as hemostatic and antibacterial materials for first aid treatment of the wounded in critical situations.
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Affiliation(s)
- Yazhong Bu
- Beijing National Laboratory for Molecular Sciences, State Key Laboratory of Polymer Physics & Chemistry, Institute of Chemistry, Chinese Academy of Sciences , Beijing 100190, China
| | - Licheng Zhang
- Department of Orthopaedics, Chinese PLA General Hospital , Beijing 100853, China
| | - Jianheng Liu
- Department of Orthopaedics, Chinese PLA General Hospital , Beijing 100853, China
| | - Lihai Zhang
- Department of Orthopaedics, Chinese PLA General Hospital , Beijing 100853, China
| | - Tongtong Li
- Department of Orthopaedics, Chinese PLA General Hospital , Beijing 100853, China
| | - Hong Shen
- Beijing National Laboratory for Molecular Sciences, State Key Laboratory of Polymer Physics & Chemistry, Institute of Chemistry, Chinese Academy of Sciences , Beijing 100190, China
| | - Xing Wang
- Beijing National Laboratory for Molecular Sciences, State Key Laboratory of Polymer Physics & Chemistry, Institute of Chemistry, Chinese Academy of Sciences , Beijing 100190, China
| | - Fei Yang
- Beijing National Laboratory for Molecular Sciences, State Key Laboratory of Polymer Physics & Chemistry, Institute of Chemistry, Chinese Academy of Sciences , Beijing 100190, China
| | - Peifu Tang
- Department of Orthopaedics, Chinese PLA General Hospital , Beijing 100853, China
| | - Decheng Wu
- Beijing National Laboratory for Molecular Sciences, State Key Laboratory of Polymer Physics & Chemistry, Institute of Chemistry, Chinese Academy of Sciences , Beijing 100190, China
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193
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Li W, Shang T, Yang W, Yang H, Lin S, Jia X, Cai Q, Yang X. Effectively Exerting the Reinforcement of Dopamine Reduced Graphene Oxide on Epoxy-Based Composites via Strengthened Interfacial Bonding. ACS APPLIED MATERIALS & INTERFACES 2016; 8:13037-13050. [PMID: 27159233 DOI: 10.1021/acsami.6b02496] [Citation(s) in RCA: 53] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
The effects of dopamine reduced graphene oxide (pDop-rGO) on the curing activity and mechanical properties of epoxy-based composites were evaluated. Taking advantage of self-polymerization of mussel-inspired dopamine, pDop-rGO was prepared through simultaneous functionalization and reduction of graphene oxide (GO) via polydopamine coating. Benefiting from the universal binding ability of polydopamine, good dispersion of pDop-rGO in epoxy matrix was able to be achieved as the content of pDop-rGO being below 0.2 wt %. Curing kinetics of epoxy composites with pDop-rGO were systematically studied by nonisothermal differential scanning calorimetry (DSC). Compared to the systems of neat epoxy or epoxy composites containing GO, epoxy composites loaded with pDop-rGO showed lower activation energy (Eα) over the range of cure (α). It revealed that the amino-bearing pDop-rGO was able to react with epoxy matrix and enhance the curing reactions as an amine-type curing agent. The nature of the interactions at GO-epoxy interface was further evaluated by Raman spectroscopy, confirming the occurrence of chemical bonding. The strengthened interfacial adhesion between pDop-rGO and epoxy matrix thus enhanced the effective stress transfer in the composites. Accordingly, the tensile and flexural properties of EP/pDop-rGO composites were enhanced due to both the well dispersion and strong interfacial bonding of pDop-rGO in epoxy matrix.
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Affiliation(s)
- Wenbin Li
- State Key Laboratory of Organic-Inorganic Composites, College of Materials Science and Engineering, Beijing University of Chemical Technology , Beijing 100029, P. R. China
- Changzhou Institute of Advanced Materials, Beijing University of Chemical Technology , Jiangsu 213164, P. R. China
| | - Tinghua Shang
- State Key Laboratory of Organic-Inorganic Composites, College of Materials Science and Engineering, Beijing University of Chemical Technology , Beijing 100029, P. R. China
| | - Wengang Yang
- State Key Laboratory of Organic-Inorganic Composites, College of Materials Science and Engineering, Beijing University of Chemical Technology , Beijing 100029, P. R. China
| | - Huichuan Yang
- State Key Laboratory of Organic-Inorganic Composites, College of Materials Science and Engineering, Beijing University of Chemical Technology , Beijing 100029, P. R. China
| | - Song Lin
- Aerospace Research Institute of Materials and Processing Technology , Beijing 100076, China
| | - Xiaolong Jia
- State Key Laboratory of Organic-Inorganic Composites, College of Materials Science and Engineering, Beijing University of Chemical Technology , Beijing 100029, P. R. China
- Changzhou Institute of Advanced Materials, Beijing University of Chemical Technology , Jiangsu 213164, P. R. China
| | - Qing Cai
- State Key Laboratory of Organic-Inorganic Composites, College of Materials Science and Engineering, Beijing University of Chemical Technology , Beijing 100029, P. R. China
| | - Xiaoping Yang
- State Key Laboratory of Organic-Inorganic Composites, College of Materials Science and Engineering, Beijing University of Chemical Technology , Beijing 100029, P. R. China
- Changzhou Institute of Advanced Materials, Beijing University of Chemical Technology , Jiangsu 213164, P. R. China
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194
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Li Y, Meng H, Liu Y, Narkar A, Lee BP. Gelatin Microgel Incorporated Poly(ethylene glycol)-Based Bioadhesive with Enhanced Adhesive Property and Bioactivity. ACS APPLIED MATERIALS & INTERFACES 2016; 8:11980-9. [PMID: 27111631 PMCID: PMC4874333 DOI: 10.1021/acsami.6b01364] [Citation(s) in RCA: 61] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/01/2016] [Accepted: 04/25/2016] [Indexed: 05/04/2023]
Abstract
Up to 7.5 wt % of chemically cross-linked gelatin microgel was incorporated into dopamine-modified poly(ethylene glycol) (PEGDM) adhesive to simultaneously improve the material property and bioactivity of the PEG-based bioadhesive. Incorporation of gelatin microgel reduced cure time while it increased the elastic modulus and cross-linking density of the adhesive network. Most notably, the loss modulus values for microgel-containing adhesive were an order of magnitude higher when compared to microgel-free control. This drastic increase in the viscous dissipation ability of the adhesive is attributed to the introduction of reversible physical bonds into the adhesive network with the incorporation of the gelatin microgel. Additionally, incorporation of the microgel increased the adhesive properties of PEGDM by 1.5- to 2-fold. From in vitro cell culture studies, the composite adhesive is noncytotoxic and the incorporation of microgels provided binding site for promoting fibroblast attachment and viability. The subcutaneous implantation study indicated that the microgel-containing PEGDM adhesive is biocompatible and the incorporated microgels provided pockets for rapid cellular infiltration. Gelatin microgel incorporation was demonstrated to be a facile method to simultaneously enhance the adhesive property and the bioactivity of PEG-based adhesive.
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Affiliation(s)
- Yuting Li
- Department
of Biomedical Engineering, Michigan Technological
University, Houghton, Michigan 49931, United
States
| | - Hao Meng
- Department
of Biomedical Engineering, Michigan Technological
University, Houghton, Michigan 49931, United
States
| | - Yuan Liu
- Department
of Biomedical Engineering, Michigan Technological
University, Houghton, Michigan 49931, United
States
| | - Ameya Narkar
- Department
of Biomedical Engineering, Michigan Technological
University, Houghton, Michigan 49931, United
States
| | - Bruce P. Lee
- Department
of Biomedical Engineering, Michigan Technological
University, Houghton, Michigan 49931, United
States
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195
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Zhou HY, Li M, Qu J, Jing S, Xu H, Zhao JZ, Zhang J, He MF. Effective Antitumor Candidates Based upon Ferrocenylseleno-Dopamine Derivatives: Growth Inhibition by Induction Cell Apoptosis and Antivascular Effects. Organometallics 2016. [DOI: 10.1021/acs.organomet.6b00237] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Affiliation(s)
| | | | - Jian Qu
- Institute
of Advanced Materials, Nanjing Tech University, Nanjing 210009, People’s Republic of China
| | | | | | - Juan-Zhi Zhao
- Laboratory
of Translational Medicine, Jiangsu Province Academy of Traditional Chinese Medicine, Nanjing 210028, People’s Republic of China
| | - Jian Zhang
- Laboratory
of Translational Medicine, Jiangsu Province Academy of Traditional Chinese Medicine, Nanjing 210028, People’s Republic of China
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196
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Morales D, Bharti B, Dickey MD, Velev OD. Bending of Responsive Hydrogel Sheets Guided by Field-Assembled Microparticle Endoskeleton Structures. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2016; 12:2283-2290. [PMID: 26969914 DOI: 10.1002/smll.201600037] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/05/2016] [Revised: 02/17/2016] [Indexed: 06/05/2023]
Abstract
Hydrogel composites that respond to stimuli can form the basis of new classes of biomimetic actuators and soft robotic components. Common latex microspheres can be assembled and patterned by AC electric fields within a soft thermoresponsive hydrogel. The field-oriented particle chains act as endoskeletal structures, which guide the macroscopic bending pattern of the actuators.
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Affiliation(s)
- Daniel Morales
- Department of Chemical and Biomolecular Engineering, North Carolina State University, Raleigh, NC, 27695-7905, USA
| | - Bhuvnesh Bharti
- Department of Chemical and Biomolecular Engineering, North Carolina State University, Raleigh, NC, 27695-7905, USA
| | - Michael D Dickey
- Department of Chemical and Biomolecular Engineering, North Carolina State University, Raleigh, NC, 27695-7905, USA
| | - Orlin D Velev
- Department of Chemical and Biomolecular Engineering, North Carolina State University, Raleigh, NC, 27695-7905, USA
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197
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Kim YM, Kim CH, Park MR, Song SC. Development of an Injectable Dopamine-conjugated Poly(organophophazene) Hydrogel for Hemostasis. B KOREAN CHEM SOC 2016. [DOI: 10.1002/bkcs.10686] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Young-Min Kim
- Center for Biomaterials; Korea Institute of Science & Technology; Seoul 130-650 Republic of Korea
| | - Chang-Ho Kim
- Center for Biomaterials; Korea Institute of Science & Technology; Seoul 130-650 Republic of Korea
- Department of Medical Engineering; Korea University of Science and Technology (UST); Daejeon 305-350 Republic of Korea
| | - Mi-Ran Park
- Product Development Center; CJ Healthcare; Icheon 467-812 Republic of Korea
| | - Soo-Chang Song
- Center for Biomaterials; Korea Institute of Science & Technology; Seoul 130-650 Republic of Korea
- Department of Medical Engineering; Korea University of Science and Technology (UST); Daejeon 305-350 Republic of Korea
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198
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Lin MH, Anderson J, Pinnaratip R, Meng H, Konst S, DeRouin AJ, Rajachar R, Ong KG, Lee BP. Monitoring the Long-Term Degradation Behavior of Biomimetic Bioadhesive Using Wireless Magnetoelastic Sensor. IEEE Trans Biomed Eng 2016; 62:1838-42. [PMID: 26087077 DOI: 10.1109/tbme.2015.2405251] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
The degradation behavior of a tissue adhesive is critical to its ability to repair a wound while minimizing prolonged inflammatory response. Traditional degradation tests can be expensive to perform, as they require large numbers of samples. The potential for using magnetoelastic resonant sensors to track bioadhesive degradation behavior was investigated. Specifically, biomimetic poly (ethylene glycol)- (PEG-) based adhesive was coated onto magnetoelastic (ME) sensor strips. Adhesive-coated samples were submerged in solutions buffered at multiple pH levels (5.7, 7.4 and 10.0) at body temperature (37 °C) and the degradation behavior of the adhesive was tracked wirelessly by monitoring the changes in the resonant amplitude of the sensors for over 80 days. Adhesive incubated at pH 7.4 degraded over 75 days, which matched previously published data for bulk degradation behavior of the adhesive while utilizing significantly less material (∼10(3) times lower). Adhesive incubated at pH 10.0 degraded within 25 days while samples incubated at pH 5.7 did not completely degrade even after 80 days of incubation. As expected, the rate of degradation increased with increasing pH as the rate of ester bond hydrolysis is higher under basic conditions. As a result of requiring a significantly lower amount of samples compared to traditional methods, the ME sensing technology is highly attractive for fully characterizing the degradation behavior of tissue adhesives in a wide range of physiological conditions.
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199
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Balcioglu S, Parlakpinar H, Vardi N, Denkbas EB, Karaaslan MG, Gulgen S, Taslidere E, Koytepe S, Ates B. Design of Xylose-Based Semisynthetic Polyurethane Tissue Adhesives with Enhanced Bioactivity Properties. ACS APPLIED MATERIALS & INTERFACES 2016; 8:4456-4466. [PMID: 26824739 DOI: 10.1021/acsami.5b12279] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
Developing biocompatible tissue adhesives with high adhesion properties is a highly desired goal of the tissue engineering due to adverse effects of the sutures. Therefore, our work involves synthesis, characterization, adhesion properties, protein adsorption, in vitro biodegradation, in vitro and in vivo biocompatibility properties of xylose-based semisynthetic polyurethane (NPU-PEG-X) bioadhesives. Xylose-based semisynthetic polyurethanes were developed by the reaction among 4,4'-methylenebis(cyclohexyl isocyanate) (MCI), xylose and polyethylene glycol 200 (PEG). Synthesized polyurethanes (PUs) showed good thermal stability and high adhesion strength. The highest values in adhesion strength were measured as 415.0 ± 48.8 and 94.0 ± 2.8 kPa for aluminum substrate and muscle tissue in 15% xylose containing PUs (NPU-PEG-X-15%), respectively. The biodegradation of NPU-PEG-X-15% was also determined as 19.96 ± 1.04% after 8 weeks of incubation. Relative cell viability of xylose containing PU was above 86%. Moreover, 10% xylose containing NPU-PEG-X (NPU-PEG-X-10%) sample has favorable tissue response, and inflammatory reaction between 1 and 6 weeks implantation period. With high adhesiveness and biocompatibility properties, NPU-PEG-X can be used in the medical field as supporting materials for preventing the fluid leakage after abdominal surgery or wound closure.
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Affiliation(s)
- Sevgi Balcioglu
- Department of Chemistry, Faculty of Science, Inonu University , Malatya 44280, Turkey
| | - Hakan Parlakpinar
- Department of Pharmacology, Faculty of Medicine, Inonu University , Malatya 44280, Turkey
| | - Nigar Vardi
- Department of Histology-Embryology, Faculty of Medicine, Inonu University , Malatya 44280, Turkey
| | - Emir Baki Denkbas
- Department of Chemistry, Faculty of Science, Hacettepe University , Ankara 06800, Turkey
| | | | - Selam Gulgen
- Department of Chemistry, Faculty of Science, Inonu University , Malatya 44280, Turkey
| | - Elif Taslidere
- Department of Histology-Embryology, Faculty of Medicine, Inonu University , Malatya 44280, Turkey
| | - Suleyman Koytepe
- Department of Chemistry, Faculty of Science, Inonu University , Malatya 44280, Turkey
| | - Burhan Ates
- Department of Chemistry, Faculty of Science, Inonu University , Malatya 44280, Turkey
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200
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Brennan MJ, Meredith HJ, Jenkins CL, Wilker JJ, Liu JC. Cytocompatibility studies of a biomimetic copolymer with simplified structure and high-strength adhesion. J Biomed Mater Res A 2016; 104:983-90. [PMID: 26714824 DOI: 10.1002/jbm.a.35633] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2015] [Revised: 11/12/2015] [Accepted: 12/18/2015] [Indexed: 01/04/2023]
Affiliation(s)
- M. Jane Brennan
- School of Chemical Engineering; Purdue University; West Lafayette Indiana 47907
| | - Heather J. Meredith
- School of Materials Engineering; Purdue University; West Lafayette Indiana 47907
| | | | - Jonathan J. Wilker
- School of Materials Engineering; Purdue University; West Lafayette Indiana 47907
- Department of Chemistry; Purdue University; West Lafayette Indiana 47907
| | - Julie C. Liu
- School of Chemical Engineering; Purdue University; West Lafayette Indiana 47907
- Weldon School of Biomedical Engineering; Purdue University; West Lafayette Indiana 47907
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