1
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Michel R, Corté L. Hydrogel-tissue adhesion by particle bridging: sensitivity to interfacial wetting and tissue composition. SOFT MATTER 2024; 20:5122-5133. [PMID: 38894656 DOI: 10.1039/d4sm00287c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/21/2024]
Abstract
Solid particles placed at the interface between hydrogels and biological tissues can create an adhesive joint through the adsorption of macromolecules onto their surfaces. Here, we investigated how this adhesion by particle bridging depends on the wetting of tissue surfaces and on the heterogeneities in tissue composition. Ex vivo peeling experiments were performed using poly(ethylene glycol) films coated with aggregates of silica nanoparticles deposited on the internal tissues of porcine liver. We show that the adhesion produced by particle bridging is altered by the presence of fluid wetting the tissue-hydrogel interface. For both uncoated and coated films, a transition from lubricated to adhesive contact was observed when all the interfacial fluid was drained. The presence of a silica nanoparticle coating shifted the transition towards more hydrated conditions and significantly enhanced adhesion in the adhesive regime. After 5 min of contact, the adhesion energy achieved on liver parenchyma with the coated films (7.7 ± 1.9 J m-2) was more than twice that of the uncoated films (3.2 ± 0.3 J m-2) or with a surgical cyanoacrylate glue (2.9 ± 1.9 J m-2). Microscopic observations during and after peeling revealed different detachment processes through either particle detachment or cohesive fracture in the tissue. These mechanisms could be directly related to the microanatomy of the liver parenchyma. The effects of both interfacial wetting and tissue composition on adhesion may provide guidelines to tailor the design of tissue adhesives using particle bridging.
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Affiliation(s)
- Raphaël Michel
- Molecular, Macromolecular Chemistry, and Materials, ESPCI Paris, CNRS, PSL University, 10 rue Vauquelin, 75005, Paris, France.
- Université Grenoble Alpes, CNRS, CERMAV, 38000 Grenoble, France
| | - Laurent Corté
- Molecular, Macromolecular Chemistry, and Materials, ESPCI Paris, CNRS, PSL University, 10 rue Vauquelin, 75005, Paris, France.
- Centre des Matériaux, MINES Paris, CNRS, PSL University, 63-65 rue Henri-Auguste Desbruères, 91003, Evry, France.
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2
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Muñoz Taboada G, Dahis D, Dosta P, Edelman E, Artzi N. Sprayable Hydrogel Sealant for Gastrointestinal Wound Shielding. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2024; 36:e2311798. [PMID: 38421085 DOI: 10.1002/adma.202311798] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/07/2023] [Revised: 02/13/2024] [Indexed: 03/02/2024]
Abstract
Naturally occurring internal bleeding, such as in stomach ulcers, and complications following interventions, such as polyp resection post-colonoscopy, may result in delayed (5-7 days) post-operative adverse events-such as bleeding, intestinal wall perforation, and leakage. Current solutions for controlling intra- and post-procedural complications are limited in effectiveness. Hemostatic powders only provide a temporary solution due to their short-term adhesion to GI mucosal tissues (less than 48 h). In this study, a sprayable adhesive hydrogel for facile application and sustained adhesion to GI lesions is developed using clinically available endoscopes. Upon spraying, the biomaterial (based on polyethyleneimine-modified Pluronic micelles precursor and oxidized dextran) instantly gels upon contact with the tissue, forming an adhesive shield. In vitro and in vivo studies in guinea pigs, rabbits, and pig models confirm the safety and efficacy of this biomaterial in colonic and acidic stomach lesions. The authors' findings highlight that this family of hydrogels ensures prolonged tissue protection (3-7 days), facilitates wound healing, and minimizes the risk of delayed complications. Overall, this technology offers a readily adoptable approach for gastrointestinal wound management.
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Affiliation(s)
- Gonzalo Muñoz Taboada
- BioDevek, Boston, MA, 02134, USA
- Institut Químic de Sarrià, Univeritat Ramon Llull, Barcelona, 08017, Spain
| | | | - Pere Dosta
- Brigham and Women's Hospital, Harvard Medical School, Boston, MA, 02115, USA
- Institute for Medical Engineering and Science, Massachusetts Institute of Technology, Cambridge, MA, 02139, USA
- Wyss Institute for Biologically-Inspired Engineering, Harvard University, Boston, MA, 02115, USA
| | - Elazer Edelman
- Brigham and Women's Hospital, Harvard Medical School, Boston, MA, 02115, USA
- Institute for Medical Engineering and Science, Massachusetts Institute of Technology, Cambridge, MA, 02139, USA
| | - Natalie Artzi
- Brigham and Women's Hospital, Harvard Medical School, Boston, MA, 02115, USA
- Institute for Medical Engineering and Science, Massachusetts Institute of Technology, Cambridge, MA, 02139, USA
- Wyss Institute for Biologically-Inspired Engineering, Harvard University, Boston, MA, 02115, USA
- Broad Institute of Harvard and MIT, Cambridge, MA, 02139, USA
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3
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Song H, Nan L, Wang J, Cai Y, Sun P, Liu J, Liu C, Fang L. A polyethylene glycol-grafted pullulan polysaccharide adhesive improves drug loading capacity and release efficiency. Int J Biol Macromol 2024; 265:130958. [PMID: 38503369 DOI: 10.1016/j.ijbiomac.2024.130958] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2023] [Revised: 02/25/2024] [Accepted: 03/15/2024] [Indexed: 03/21/2024]
Abstract
In this study, polyethylene glycol was grafted onto pullulan polysaccharides, resulting in the development of a novel adhesive termed PLUPE, offering superior drug loading capacity and rapid release efficiency. The efficacy of PLUPE was rigorously evaluated through various tests, including the tack test, shear strength test, 180° peel strength test, and human skin adhesion test. The results demonstrated that PLUPE exhibited a static shear strength that was 4.6 to 9.3 times higher than conventional PSAs, ensuring secure adhesion for over 3 days on human skin. A comprehensive analysis, encompassing electrical potential evaluation, calculation of interaction parameters, and FT-IR spectra, elucidated why improved the miscibility between the drug and PSAs, that the significant enhancement of intermolecular hydrogen bonding in the PLUPE structure. ATR-FTIR, rheological, and thermodynamic analyses further revealed that the hydrogen bonding network in PLUPE primarily interacted with polar groups in the skin. This interaction augmented the fluidity and free volume of PSA molecules, thereby promoting efficient drug release. The results confirmed the safety profile of PLUPE through skin irritation tests and MTT assays, bolstering its viability for application in TDDS patches. In conclusion, PLUPE represented a groundbreaking adhesive solution for TDDS patches, successfully overcoming longstanding challenges associated with PSAs.
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Affiliation(s)
- Haoyuan Song
- Department of Pharmaceutical Sciences, School of Pharmacy, Shenyang Pharmaceutical University, 103 Wenhua Road, Shenyang 110016, China
| | - Longyi Nan
- Key Laboratory of Natural Medicines of the Changbai Mountain, 6Ministry of Education, College of Pharmacy, Yanbian University, 977 7Gongyuan Road, Yanji 133002, China
| | - Jiaqi Wang
- Department of Pharmaceutical Sciences, School of Pharmacy, Shenyang Pharmaceutical University, 103 Wenhua Road, Shenyang 110016, China
| | - Yu Cai
- Key Laboratory of Natural Medicines of the Changbai Mountain, 6Ministry of Education, College of Pharmacy, Yanbian University, 977 7Gongyuan Road, Yanji 133002, China
| | - Peng Sun
- Department of Pharmaceutical Sciences, School of Pharmacy, Shenyang Pharmaceutical University, 103 Wenhua Road, Shenyang 110016, China
| | - Jie Liu
- Department of Pharmaceutical Sciences, School of Pharmacy, Shenyang Pharmaceutical University, 103 Wenhua Road, Shenyang 110016, China
| | - Chao Liu
- Department of Pharmaceutical Sciences, School of Pharmacy, Shenyang Pharmaceutical University, 103 Wenhua Road, Shenyang 110016, China
| | - Liang Fang
- Department of Pharmaceutical Sciences, School of Pharmacy, Shenyang Pharmaceutical University, 103 Wenhua Road, Shenyang 110016, China.
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4
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Mecwan M, Li J, Falcone N, Ermis Sen M, Hassani A, Haghniaz R, Mandal K, Sharma S, Maity S, Zehtabi F, Zamanian B, Herculano R, Akbari M, John JV, Khademhosseini A. Recent advances in biopolymer-based hemostatic materials. Regen Biomater 2022; 9:rbac063. [PMID: 36196294 PMCID: PMC9522468 DOI: 10.1093/rb/rbac063] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2022] [Revised: 08/09/2022] [Accepted: 08/29/2022] [Indexed: 11/13/2022] Open
Abstract
Abstract
Hemorrhage is the leading cause of trauma-related deaths, in hospital and pre-hospital settings. Hemostasis is a complex mechanism that involves a cascade of clotting factors and proteins that result in the formation of a strong clot. In certain surgical and emergency situations, hemostatic agents are needed to achieve faster blood coagulation to prevent the patient from experiencing a severe hemorrhagic shock. Therefore, it is critical to consider appropriate materials and designs for hemostatic agents. Many materials have been fabricated as hemostatic agents, including synthetic and naturally derived polymers. However, compared to synthetic polymers, natural polymers or biopolymers, which include polysaccharides and polypeptides, have greater biocompatibility, biodegradability, and processibility. Thus, in this review, we focus on biopolymer-based hemostatic agents of different forms, such as powder, particles, sponges, and hydrogels. Finally, we discuss biopolymer-based hemostats currently in clinical trials and offer insight into next-generation hemostats for clinical translation.
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Affiliation(s)
- Marvin Mecwan
- Terasaki Institute for Biomedical Innovation , Los Angeles, CA, 90064, USA
| | - Jinghang Li
- Terasaki Institute for Biomedical Innovation , Los Angeles, CA, 90064, USA
| | - Natashya Falcone
- Terasaki Institute for Biomedical Innovation , Los Angeles, CA, 90064, USA
| | - Menekse Ermis Sen
- Terasaki Institute for Biomedical Innovation , Los Angeles, CA, 90064, USA
| | - Alireza Hassani
- Terasaki Institute for Biomedical Innovation , Los Angeles, CA, 90064, USA
| | - Reihaneh Haghniaz
- Terasaki Institute for Biomedical Innovation , Los Angeles, CA, 90064, USA
| | - Kalpana Mandal
- Terasaki Institute for Biomedical Innovation , Los Angeles, CA, 90064, USA
| | - Saurabh Sharma
- Terasaki Institute for Biomedical Innovation , Los Angeles, CA, 90064, USA
| | - Surjendu Maity
- Terasaki Institute for Biomedical Innovation , Los Angeles, CA, 90064, USA
| | - Fatemeh Zehtabi
- Terasaki Institute for Biomedical Innovation , Los Angeles, CA, 90064, USA
| | - Behnam Zamanian
- Terasaki Institute for Biomedical Innovation , Los Angeles, CA, 90064, USA
| | - Rondinelli Herculano
- Terasaki Institute for Biomedical Innovation , Los Angeles, CA, 90064, USA
- São Paulo State University (UNESP), Bioengineering & Biomaterials Group, School of Pharmaceutical Sciences , Araraquara, SP, Brazil
- São Paulo State University (UNESP), Department of Biotechnology, School of Sciences , Humanities and Languages, Assis, SP, Brazil
| | - Mohsen Akbari
- Terasaki Institute for Biomedical Innovation , Los Angeles, CA, 90064, USA
- University of Victoria Department of Mechanical Engineering, , Victoria, British Columbia, Canada
- Biotechnology Center, Silesian University of Technology , Akademicka 2A, Gliwice, 44-100, Poland
| | - Johnson V John
- Terasaki Institute for Biomedical Innovation , Los Angeles, CA, 90064, USA
| | - Ali Khademhosseini
- Terasaki Institute for Biomedical Innovation , Los Angeles, CA, 90064, USA
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5
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Zhang L, Zhang Y, Ma F, Liu X, Liu Y, Cao Y, Pei R. A low-swelling and toughened adhesive hydrogel with anti-microbial and hemostatic capacities for wound healing. J Mater Chem B 2022; 10:915-926. [PMID: 35050296 DOI: 10.1039/d1tb01871j] [Citation(s) in RCA: 29] [Impact Index Per Article: 14.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
Hydrogel-based wound dressings with tissue adhesion abilities are widely used for wound closure. However, currently developed hydrogel adhesives are still poor at continuing to seal wounds while bleeding is ongoing. Herein, we demonstrate an antibacterial and hemostatic hydrogel adhesive with low-swelling properties and toughness for wound healing. The hydrogel was composed of Pluronic F127 diacrylate, quaternized chitosan diacrylate, silk fibroin, and tannic acid, and it was not only able to maintain good tissue adhesion abilities in a moist environment but it also showed guaranteed tissue adhesion and mechanical strength after absorbing water due to its low-swelling and toughness properties. Furthermore, in vitro and in vivo tests demonstrated that the hydrogel also had antibacterial, antioxidant, and hemostatic properties, which could promote tissue regeneration. All these findings demonstrate that this hydrogel with multifunctional properties is a promising material for clinical wound healing applications.
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Affiliation(s)
- Liwei Zhang
- CAS Key Laboratory for Nano-Bio Interface, Suzhou Institute of Nano-Tech and Nano-Bionics, Chinese Academy of Sciences, Suzhou, 215123, China. .,Nano Science and Technology Institute, University of Science and Technology of China, Suzhou, 215123, China
| | - Yajie Zhang
- CAS Key Laboratory for Nano-Bio Interface, Suzhou Institute of Nano-Tech and Nano-Bionics, Chinese Academy of Sciences, Suzhou, 215123, China.
| | - Fanshu Ma
- CAS Key Laboratory for Nano-Bio Interface, Suzhou Institute of Nano-Tech and Nano-Bionics, Chinese Academy of Sciences, Suzhou, 215123, China.
| | - Xingzhu Liu
- CAS Key Laboratory for Nano-Bio Interface, Suzhou Institute of Nano-Tech and Nano-Bionics, Chinese Academy of Sciences, Suzhou, 215123, China.
| | - Yangzhong Liu
- Department of Chemistry, University of Science and Technology of China, Hefei, 230026, China
| | - Yi Cao
- CAS Key Laboratory for Nano-Bio Interface, Suzhou Institute of Nano-Tech and Nano-Bionics, Chinese Academy of Sciences, Suzhou, 215123, China.
| | - Renjun Pei
- CAS Key Laboratory for Nano-Bio Interface, Suzhou Institute of Nano-Tech and Nano-Bionics, Chinese Academy of Sciences, Suzhou, 215123, China.
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6
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Abstract
Flexible bioelectronics have promising applications in electronic skin, wearable devices, biomedical electronics, etc. Hydrogels have unique advantages for bioelectronics due to their tissue-like mechanical properties and excellent biocompatibility. Particularly, conductive and tissue adhesive hydrogels can self-adhere to bio-tissues and have great potential in implantable wearable bioelectronics. This review focuses on the recent progress in tissue adhesive hydrogel bioelectronics, including the mechanism and preparation of tissue adhesive hydrogels, the fabrication strategies of conductive hydrogels, and tissue adhesive hydrogel bioelectronics and applications. Some perspectives on tissue adhesive hydrogel bioelectronics are provided at the end of the review.
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Affiliation(s)
- Shengnan Li
- Key Laboratory of Polymeric Composite and Functional Materials of Ministry of Education, Guangdong Functional Biomaterials Engineering Technology Research Center, Guangzhou Key Laboratory of Flexible Electronic Materials and Wearable Devices, School of Materials Science and Engineering, Sun Yat-sen University, 135 Xingang Road West, Guangzhou 510275, China.
| | - Yang Cong
- College of Materials Science and Chemical Engineering, Ningbo University of Technology, Ningbo 315201, China
| | - Jun Fu
- Key Laboratory of Polymeric Composite and Functional Materials of Ministry of Education, Guangdong Functional Biomaterials Engineering Technology Research Center, Guangzhou Key Laboratory of Flexible Electronic Materials and Wearable Devices, School of Materials Science and Engineering, Sun Yat-sen University, 135 Xingang Road West, Guangzhou 510275, China.
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7
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Modak P, Hammond W, Jaffe M, Nadig M, Russo R. Dynamic, 3DSchiff base networks for medical applications. J Appl Polym Sci 2020. [DOI: 10.1002/app.49756] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
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8
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Li D, Chen J, Wang X, Zhang M, Li C, Zhou J. Recent Advances on Synthetic and Polysaccharide Adhesives for Biological Hemostatic Applications. Front Bioeng Biotechnol 2020; 8:926. [PMID: 32923431 PMCID: PMC7456874 DOI: 10.3389/fbioe.2020.00926] [Citation(s) in RCA: 37] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2020] [Accepted: 07/20/2020] [Indexed: 11/13/2022] Open
Abstract
Rapid hemostasis and formation of stable blood clots are very important to prevent massive blood loss from the excessive bleeding for living body, but their own clotting process cannot be completed in time for effective hemostasis without the help of hemostatic materials. In general, traditionally suturing and stapling techniques for wound closure are prone to cause the additional damages to the tissues, activated inflammatory responses, short usage periods and inevitable second operations in clinical applications. Especially for the large wounds that require the urgent closure of fluids or gases, these conventional closure methods are far from enough. To address these problems, various tissue adhesives, sealants and hemostatic materials are placed great expectation. In this review, we focused on the development of two main categories of tissue adhesive materials: synthetic polymeric adhesives and naturally derived polysaccharide adhesives. Research of the high performance of hemostatic adhesives with strong adhesion, better biocompatibility, easy usability and cheap price is highly demanded for both scientists and clinicians, and this review is also intended to provide a comprehensive summarization and inspiration for pursuit of more advanced hemostatic adhesives for biological fields.
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Affiliation(s)
- Dawei Li
- Eighth Medical Center of the General Hospital of the Chinese People’s Liberation Army, Beijing, China
| | - Jing Chen
- Department of Orthopedics, Aerospace Center Hospital, Beijing, China
| | - Xing Wang
- Beijing National Laboratory for Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing, China
- University of Chinese Academy of Sciences, Beijing, China
| | - Mingming Zhang
- The People’s Liberation Army Strategic Support Force Characteristic Medical Center, Beijing, China
| | - Chunlin Li
- Eighth Medical Center of the General Hospital of the Chinese People’s Liberation Army, Beijing, China
| | - Jin Zhou
- Eighth Medical Center of the General Hospital of the Chinese People’s Liberation Army, Beijing, China
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9
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DiStefano TJ, Shmukler JO, Danias G, Di Pauli von Treuheim T, Hom WW, Goldberg DA, Laudier DM, Nasser PR, Hecht AC, Nicoll SB, Iatridis JC. Development of a two-part biomaterial adhesive strategy for annulus fibrosus repair and ex vivo evaluation of implant herniation risk. Biomaterials 2020; 258:120309. [PMID: 32823020 DOI: 10.1016/j.biomaterials.2020.120309] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2020] [Revised: 07/31/2020] [Accepted: 08/06/2020] [Indexed: 12/13/2022]
Abstract
Intervertebral disc (IVD) herniation causes pain and disability, but current discectomy procedures alleviate pain without repairing annulus fibrosus (AF) defects. Tissue engineering strategies seal AF defects by utilizing hydrogel systems to prevent recurrent herniation, however current biomaterials are limited by poor adhesion to wetted tissue surfaces or low failure strength resulting in considerable risk of implant herniation upon spinal loading. Here, we developed a two-part repair strategy comprising a dual-modified (oxidized and methacrylated) glycosaminoglycan that can chemically adsorb an injectable interpenetrating network hydrogel composed of fibronectin-conjugated fibrin and poly (ethylene glycol) diacrylate (PEGDA) to covalently bond the hydrogel to AF tissue. We show that dual-modified hyaluronic acid imparts greater adhesion to AF tissue than dual-modified chondroitin sulfate, where the degree of oxidation is more strongly correlated with adhesion strength than methacrylation. We apply this strategy to an ex vivo bovine model of discectomy and demonstrate that PEGDA molecular weight tunes hydrogel mechanical properties and affects herniation risk, where IVDs repaired with low-modulus hydrogels composed of 20kDa PEGDA failed at levels at or exceeding discectomy, the clinical standard of care. This strategy bonds injectable hydrogels to IVD extracellular matrix proteins, is optimized to seal AF defects, and shows promise for IVD repair.
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Affiliation(s)
- Tyler J DiStefano
- Leni and Peter W. May Department of Orthopaedics, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Jennifer O Shmukler
- Leni and Peter W. May Department of Orthopaedics, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - George Danias
- Leni and Peter W. May Department of Orthopaedics, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | | | - Warren W Hom
- Leni and Peter W. May Department of Orthopaedics, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - David A Goldberg
- Leni and Peter W. May Department of Orthopaedics, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Damien M Laudier
- Leni and Peter W. May Department of Orthopaedics, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Philip R Nasser
- Leni and Peter W. May Department of Orthopaedics, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Andrew C Hecht
- Leni and Peter W. May Department of Orthopaedics, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Steven B Nicoll
- Department of Biomedical Engineering, The City College of New York, New York, NY, USA
| | - James C Iatridis
- Leni and Peter W. May Department of Orthopaedics, Icahn School of Medicine at Mount Sinai, New York, NY, USA.
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10
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Catechol-modified poly(oxazoline)s with tunable degradability facilitate cell invasion and lateral cartilage integration. J IND ENG CHEM 2019. [DOI: 10.1016/j.jiec.2019.06.038] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
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11
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Daristotle JL, Zaki ST, Lau LW, Torres L, Zografos A, Srinivasan P, Ayyub OB, Sandler AD, Kofinas P. Improving the adhesion, flexibility, and hemostatic efficacy of a sprayable polymer blend surgical sealant by incorporating silica particles. Acta Biomater 2019; 90:205-216. [PMID: 30954624 PMCID: PMC6549514 DOI: 10.1016/j.actbio.2019.04.015] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2018] [Revised: 04/01/2019] [Accepted: 04/03/2019] [Indexed: 12/14/2022]
Abstract
Commercially available surgical sealants for internal use either lack sufficient adhesion or produce cytotoxicity. This work describes a surgical sealant based on a polymer blend of poly(lactic-co-glycolic acid) (PLGA) and poly(ethylene glycol) (PEG) that increases wet tissue adherence by incorporation of nano-to-microscale silica particles, without significantly affecting cell viability, biodegradation rate, or local inflammation. In functional studies, PLGA/PEG/silica composite sealants produce intestinal burst pressures that are comparable to cyanoacrylate glue (160 mmHg), ∼2 times greater than the non-composite sealant (59 mmHg), and ∼3 times greater than fibrin glue (49 mmHg). The addition of silica to PLGA/PEG is compatible with a sprayable in situ deposition method called solution blow spinning and decreases coagulation time in vitro and in vivo. These improvements are biocompatible and cause minimal additional inflammation, demonstrating the potential of a simple composite design to increase adhesion to wet tissue through physical, noncovalent mechanisms and enable use in procedures requiring simultaneous occlusion and hemostasis. STATEMENT OF SIGNIFICANCE: Incorporating silica particles increases the tissue adhesion of a polymer blend surgical sealant. The particles enable interfacial physical bonding with tissue and enhance the flexibility of the bulk of the sealant, without significantly affecting cytotoxicity, inflammation, or biodegradation. These studies also demonstrate how silica particles decrease blood coagulation time. This surgical sealant improves upon conventional devices because it can be easily deposited with accuracy directly onto the surgical site as a solid polymer fiber mat. The deposition method, solution blow spinning, allows for high loading in the composite fibers, which are sprayed from a polymer blend solution containing suspended silica particles. These findings could easily be translated to other implantable or wearable devices due to the versatility of silica particles.
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Affiliation(s)
- John L Daristotle
- Fischell Department of Bioengineering, University of Maryland, Room 3102 A. James Clark Hall, 8278 Paint Branch Dr., College Park, MD 20742, USA
| | - Shadden T Zaki
- Department of Materials Science and Engineering, University of Maryland, 4418 Stadium Dr., College Park, MD 20742, USA
| | - Lung W Lau
- Sheikh Zayed Institute for Pediatric Surgical Innovation, Joseph E. Robert Jr. Center for Surgical Care, Children's National Medical Center, 111 Michigan Avenue, NW Washington, DC 20010, USA
| | - Leopoldo Torres
- Fischell Department of Bioengineering, University of Maryland, Room 3102 A. James Clark Hall, 8278 Paint Branch Dr., College Park, MD 20742, USA
| | - Aristotelis Zografos
- Department of Materials Science and Engineering, University of Maryland, 4418 Stadium Dr., College Park, MD 20742, USA
| | - Priya Srinivasan
- Sheikh Zayed Institute for Pediatric Surgical Innovation, Joseph E. Robert Jr. Center for Surgical Care, Children's National Medical Center, 111 Michigan Avenue, NW Washington, DC 20010, USA
| | - Omar B Ayyub
- Department of Chemical and Biomolecular Engineering, University of Maryland, 4418 Stadium Dr., College Park, MD 20742, USA
| | - Anthony D Sandler
- Sheikh Zayed Institute for Pediatric Surgical Innovation, Joseph E. Robert Jr. Center for Surgical Care, Children's National Medical Center, 111 Michigan Avenue, NW Washington, DC 20010, USA
| | - Peter Kofinas
- Department of Chemical and Biomolecular Engineering, University of Maryland, 4418 Stadium Dr., College Park, MD 20742, USA.
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12
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Du X, Wu L, Yan H, Qu L, Wang L, Wang X, Ren S, Kong D, Wang L. Multifunctional Hydrogel Patch with Toughness, Tissue Adhesiveness, and Antibacterial Activity for Sutureless Wound Closure. ACS Biomater Sci Eng 2019; 5:2610-2620. [DOI: 10.1021/acsbiomaterials.9b00130] [Citation(s) in RCA: 48] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Xinchen Du
- Key Laboratory of Bioactive Materials, Ministry of Education, College of Life Sciences, Nankai University, Tianjin 300071, P. R. China
| | - Le Wu
- Key Laboratory of Bioactive Materials, Ministry of Education, College of Life Sciences, Nankai University, Tianjin 300071, P. R. China
| | - Hongyu Yan
- Key Laboratory of Bioactive Materials, Ministry of Education, College of Life Sciences, Nankai University, Tianjin 300071, P. R. China
| | - Lijie Qu
- Key Laboratory of Bioactive Materials, Ministry of Education, College of Life Sciences, Nankai University, Tianjin 300071, P. R. China
| | - Lina Wang
- Key Laboratory of Bioactive Materials, Ministry of Education, College of Life Sciences, Nankai University, Tianjin 300071, P. R. China
| | - Xin Wang
- Key Laboratory of Bioactive Materials, Ministry of Education, College of Life Sciences, Nankai University, Tianjin 300071, P. R. China
| | - Shuo Ren
- Key Laboratory of Bioactive Materials, Ministry of Education, College of Life Sciences, Nankai University, Tianjin 300071, P. R. China
| | - Deling Kong
- Key Laboratory of Bioactive Materials, Ministry of Education, College of Life Sciences, Nankai University, Tianjin 300071, P. R. China
| | - Lianyong Wang
- Key Laboratory of Bioactive Materials, Ministry of Education, College of Life Sciences, Nankai University, Tianjin 300071, P. R. China
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13
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Biomechanical and histologic evaluation of two application forms of surgical glue for mesh fixation to the abdominal wall. J Mech Behav Biomed Mater 2017; 75:434-441. [DOI: 10.1016/j.jmbbm.2017.08.008] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2017] [Revised: 07/30/2017] [Accepted: 08/04/2017] [Indexed: 10/19/2022]
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14
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Jiang H, Zhang G, Li F, Zhang Y, Lei Y, Xia Y, Jin X, Feng X, Li H. A self-healable and tough nanocomposite hydrogel crosslinked by novel ultrasmall aluminum hydroxide nanoparticles. NANOSCALE 2017; 9:15470-15476. [PMID: 28976516 DOI: 10.1039/c7nr04722c] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
Self-healing hydrogels like tissues or organs which are repaired automatically in response to damage show great promise. However, it remains a challenge to develop novel functional nanoparticles as crosslinkers to prepare tough and self-healing nanocomposite hydrogels. Here, we report the preparation of water-soluble ultrasmall aluminum hydroxide nanoparticles with a diameter of 2-3 nm through a simple sol-gel method. Furthermore, a tough nanocomposite hydrogel is prepared by the in situ copolymerization of acylamide and 2-acrylamido-2-methyl propane sulfonic acid in the presence of aluminum hydroxide nanoparticles. The resulting hydrogels exhibit high compressive strength of 18.9 MPa and an elongation at break of ∼2100%. Importantly, the Al-NC gel displayed a high self-healing efficiency of 86% without any external stimulus at room temperature. Moreover, we found an interesting multi-hierarchical porous morphology of the Al-NC gel depending on the contents of the aluminum hydroxide nanoparticles. The tough nanocomposite hydrogel might provide a novel promising avenue for designing advanced self-healable soft materials for various biomedical applications.
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Affiliation(s)
- Haoyang Jiang
- School of Chemistry and Chemical Engineering, Beijing Institute of Technology, Beijing 100081, P. R. China.
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15
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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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16
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Yang X, Liu W, Li N, Wang M, Liang B, Ullah I, Luis Neve A, Feng Y, Chen H, Shi C. Design and development of polysaccharide hemostatic materials and their hemostatic mechanism. Biomater Sci 2017; 5:2357-2368. [DOI: 10.1039/c7bm00554g] [Citation(s) in RCA: 110] [Impact Index Per Article: 15.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
The formation of stable blood clots or hemostasis is essential to prevent major blood loss and death from excessive bleeding.
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17
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Xue S, Pei D, Jiang W, Mu Y, Wan X. A simple and fast formation of biodegradable poly(urethane-urea) hydrogel with high water content and good mechanical property. POLYMER 2016. [DOI: 10.1016/j.polymer.2016.07.034] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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18
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Henise J, Hearn BR, Santi DV, Kamata H, Sakai T, Ashley GW. Surgical sealants with tunable swelling, burst pressures, and biodegradation rates. J Biomed Mater Res B Appl Biomater 2016; 105:1602-1611. [PMID: 27149244 DOI: 10.1002/jbm.b.33701] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2015] [Revised: 04/06/2016] [Accepted: 04/14/2016] [Indexed: 11/07/2022]
Abstract
We developed two types of polyethylene glycol (PEG)-based surgical sealants, which we have termed the PER and PRO series. In one, the PRO series, an 8-arm PEG containing activated carbonyl end-groups was reacted with a 4-armed amino-PEG. In the second, the PER series, a 4-arm PEG containing bi-functional end groups with four azides and four activated esters was reacted by strain-promoted alkyne-azide cycloaddition with a 4-arm cyclooctyne-PEG to give a near-ideal Tetra-PEG hydrogel. The sealants showed predictably tunable strength, swelling, adhesion, and gelation properties. The gels were compared to commercially available PEG-based sealants and exhibit physical properties equivalent to or better than the standards. Variants of each gel-format were prepared that contained a β-eliminative cleavable linker in the crosslinks to control degradation rate. Linkers of this type self-cleave with half-lives spanning from hours to years, and offer the unique ability to precisely tune the degradation to match the healing process. In addition, these linkers could serve as cleavable tethers for controlled drug release. © 2016 Wiley Periodicals, Inc. J Biomed Mater Res Part B: Appl Biomater, 105B: 1602-1611, 2017.
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Affiliation(s)
- Jeff Henise
- ProLynx, 455 Mission Bay Blvd. South, Suite 145, San Francisco, California, 94158
| | - Brian R Hearn
- ProLynx, 455 Mission Bay Blvd. South, Suite 145, San Francisco, California, 94158
| | - Daniel V Santi
- ProLynx, 455 Mission Bay Blvd. South, Suite 145, San Francisco, California, 94158
| | - Hiroyuki Kamata
- Department of Bioengineering, Graduate School of Engineering, the University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, Japan
| | - Takamasa Sakai
- Department of Bioengineering, Graduate School of Engineering, the University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, Japan
| | - Gary W Ashley
- ProLynx, 455 Mission Bay Blvd. South, Suite 145, San Francisco, California, 94158
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19
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Highly stretchable and self-healing hydrogels based on poly(acrylic acid) and functional POSS. CHINESE JOURNAL OF POLYMER SCIENCE 2015. [DOI: 10.1007/s10118-016-1744-1] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
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20
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Oliva N, Unterman S, Zhang Y, Conde J, Song HS, Artzi N. Personalizing Biomaterials for Precision Nanomedicine Considering the Local Tissue Microenvironment. Adv Healthc Mater 2015; 4:1584-99. [PMID: 25963621 DOI: 10.1002/adhm.201400778] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2014] [Revised: 02/02/2015] [Indexed: 12/11/2022]
Abstract
New advances in (nano)biomaterial design coupled with the detailed study of tissue-biomaterial interactions can open a new chapter in personalized medicine, where biomaterials are chosen and designed to match specific tissue types and disease states. The notion of a "one size fits all" biomaterial no longer exists, as growing evidence points to the value of customizing material design to enhance (pre)clinical performance. The complex microenvironment in vivo at different tissue sites exhibits diverse cell types, tissue chemistry, tissue morphology, and mechanical stresses that are further altered by local pathology. This complex and dynamic environment may alter the implanted material's properties and in turn affect its in vivo performance. It is crucial, therefore, to carefully study tissue context and optimize biomaterials considering the implantation conditions. This practice would enable attaining predictable material performance and enhance clinical outcomes.
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Affiliation(s)
- Nuria Oliva
- Massachusetts Institute of Technology; Institute for Medical Engineering and Science; Harvard-MIT Division for Health Sciences and Technology; E25-449 Cambridge MA USA
| | - Shimon Unterman
- Massachusetts Institute of Technology; Institute for Medical Engineering and Science; Harvard-MIT Division for Health Sciences and Technology; E25-449 Cambridge MA USA
| | - Yi Zhang
- Massachusetts Institute of Technology; Institute for Medical Engineering and Science; Harvard-MIT Division for Health Sciences and Technology; E25-449 Cambridge MA USA
| | - João Conde
- Massachusetts Institute of Technology; Institute for Medical Engineering and Science; Harvard-MIT Division for Health Sciences and Technology; E25-449 Cambridge MA USA
- School of Engineering and Materials Science; Queen Mary University of London; London UK
| | - Hyun Seok Song
- Massachusetts Institute of Technology; Institute for Medical Engineering and Science; Harvard-MIT Division for Health Sciences and Technology; E25-449 Cambridge MA USA
| | - Natalie Artzi
- Massachusetts Institute of Technology; Institute for Medical Engineering and Science; Harvard-MIT Division for Health Sciences and Technology; E25-449 Cambridge MA USA
- Department of Anesthesiology; Brigham and Women's Hospital; Harvard Medical School; Boston MA 02115 USA
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21
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22
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Injectable bioadhesive hydrogels with innate antibacterial properties. Nat Commun 2014; 5:4095. [PMID: 24958189 PMCID: PMC4096704 DOI: 10.1038/ncomms5095] [Citation(s) in RCA: 221] [Impact Index Per Article: 22.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2013] [Accepted: 05/13/2014] [Indexed: 12/12/2022] Open
Abstract
Surgical site infections cause significant postoperative morbidity and increased healthcare costs. Bioadhesives used to fill surgical voids and support wound healing are typically devoid of antibacterial activity. Here, we report novel syringe-injectable bioadhesive hydrogels with inherent antibacterial properties prepared from mixing polydextran aldehyde (PDA) and branched polyethylenimine (PEI). These adhesives kill both Gram-negative and Gram–positive bacteria, while sparing human erythrocytes. An optimal composition of 2.5 wt % oxidized dextran and 6.9 wt % PEI sets within seconds forming a mechanically rigid (~1700 Pa) gel offering a maximum adhesive stress of ~ 2.8 kPa. A murine infection model showed that the adhesive is capable of killing S. pyogenes introduced subcutaneously at the bioadhesive’s surface, with minimal inflammatory response. The adhesive was also effective in a cecal ligation and puncture model, preventing sepsis and significantly improving survival. These bioadhesives represent novel, inherently antibacterial materials for wound filling applications.
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23
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Jeon O, Samorezov JE, Alsberg E. Single and dual crosslinked oxidized methacrylated alginate/PEG hydrogels for bioadhesive applications. Acta Biomater 2014; 10:47-55. [PMID: 24035886 DOI: 10.1016/j.actbio.2013.09.004] [Citation(s) in RCA: 78] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2013] [Revised: 08/31/2013] [Accepted: 09/04/2013] [Indexed: 11/15/2022]
Abstract
A degradable, cytocompatible bioadhesive can facilitate surgical procedures and minimize patient pain and post-surgical complications. In this study a bioadhesive hydrogel system based on oxidized methacrylated alginate/8-arm poly(ethylene glycol) amine (OMA/PEG) has been developed, and the bioadhesive characteristics of the crosslinked OMA/PEG hydrogels evaluated. Here we demonstrate that the swelling behavior, degradation profiles, and storage moduli of crosslinked OMA/PEG hydrogels are tunable by varying the degree of alginate oxidation. The crosslinked OMA/PEG hydrogels exhibit cytocompatibility when cultured with human bone marrow-derived mesenchymal stem cells. In addition, the adhesion strength of these hydrogels, controllable by varying the alginate oxidation level and measured using a porcine skin model, is superior to commercially available fibrin glue. This OMA/PEG hydrogel system with controllable biodegradation and mechanical properties and adhesion strength may be a promising bioadhesive for clinical use in biomedical applications, such as drug delivery, wound closure and healing, biomedical device implantation, and tissue engineering.
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Affiliation(s)
- Oju Jeon
- Department of Biomedical Engineering, Case Western Reserve University, Cleveland, OH 44106, USA
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24
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Artzi N, Edelman ER. AldehydeAmine Chemistry Enables Tissue Adhesive Materials to Respond to Physiologic Variation and Pathologic States. Isr J Chem 2013. [DOI: 10.1002/ijch.201300081] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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25
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26
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Borges AMG, Benetoli LO, Licínio MA, Zoldan VC, Santos-Silva MC, Assreuy J, Pasa AA, Debacher NA, Soldi V. Polymer films with surfaces unmodified and modified by non-thermal plasma as new substrates for cell adhesion. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2012; 33:1315-24. [PMID: 23827577 DOI: 10.1016/j.msec.2012.12.031] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/28/2012] [Revised: 09/29/2012] [Accepted: 12/04/2012] [Indexed: 01/04/2023]
Abstract
The surface properties of biomaterials, such as wettability, polar group distribution, and topography, play important roles in the behavior of cell adhesion and proliferation. Gaseous plasma discharges are among the most common means to modify the surface of a polymer without affecting its properties. Herein, we describe the surface modification of poly(styrene) (PS) and poly(methyl methacrylate) (PMMA) films using atmospheric pressure plasma processing through exposure to a dielectric barrier discharge (DBD). After treatment the film surface showed significant changes from hydrophobic to hydrophilic as the water contact angle decreasing from 95° to 37°. All plasma-treated films developed more hydrophilic surfaces compared to untreated films, although the reasons for the change in the surface properties of PS and PMMA differed, that is, the PS showed chemical changes and in the case of PMMA they were topographical. Excellent adhesion and cell proliferation were observed in all films. In vitro studies employing flow cytometry showed that the proliferation of L929 cells was higher in the film formed by a 1:1 mixture of PS/PMMA, which is consistent with the results of a previous study. These findings suggest better adhesion of L929 onto the 1:1 PS/PMMA modified film, indicating that this system is a new candidate biomaterial for tissue engineering.
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Affiliation(s)
- A M G Borges
- Department of Chemistry, Federal University of Santa Catarina, 88040-900 Florianopolis, Brazil
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27
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Wang T, Mu X, Li H, Wu W, Nie J, Yang D. The photocrosslinkable tissue adhesive based on copolymeric dextran/HEMA. Carbohydr Polym 2012; 92:1423-31. [PMID: 23399173 DOI: 10.1016/j.carbpol.2012.09.057] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2012] [Revised: 08/27/2012] [Accepted: 09/24/2012] [Indexed: 01/01/2023]
Abstract
We developed a copolymeric bioadhesive system with the potential to be used as a tissue adhesive based on biopolymer dextran. Copolymeric hydrogels comprising a urethane dextran (Dex-U) and 2-hydroxyethyl methacrylate (HEMA) were prepared and crosslinked under the ultraviolet (UV) irradiation. In this study, the photopolymerization process was monitored by real time infrared spectroscopy (RTIR). The adhesion strength was evaluated by lap-shear-test. The surface tension, viscosity of the solutions and the cytotoxicity assays were investigated. Compared to Dex-U system, the addition of HEMA remarkably improved the properties of Dex-H system especially the adhesion strength and the nontoxicity. And materials variation could be tailored to match the need of tissues. The copolymeric tissue adhesives demonstrated promising adhesion strength and nontoxicity. The maximum adhesion strength reached to 4.33±0.47 Mpa which was 86 times higher than that of Tisseel. The obtained products have the potential to serve as tissue adhesive in the future.
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Affiliation(s)
- Tao Wang
- Key Laboratory of Carbon Fiber and Functional Polymers, Ministry of Education, State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing 100029, China
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28
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Matsuda M, Inoue M, Taguchi T. Adhesive properties and biocompatibility of tissue adhesives composed of various hydrophobically modified gelatins and disuccinimidyl tartrate. J BIOACT COMPAT POL 2012. [DOI: 10.1177/0883911512455116] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Abstract
Adhesives comprising hydrophobically modified gelatin and disuccinimidyl tartrate were prepared with the aim of developing novel tissue adhesives with tissue-penetrating capability and biocompatibility. The hydrophobic groups employed were hexanoyl (Hx; C6), palmitoyl (Pam; C16), stearoyl (Ste; C18), and oleoyl (Ole; C18 unsaturated) groups. The bonding strength of the resulting tissue adhesives against fresh arterial media increased with increasing chain length of the saturated hydrocarbon up to C18 (Ste) when the degree of substitution of hydrocarbons in the hydrophobically modified gelatin molecule was 10% (10Ste) with a fixed succinimidyl group:amino group ratio of 1:1. The 10Ole–disuccinimidyl tartrate adhesive showed slightly lower bonding strength compared with 10Ste–disuccinimidyl tartrate adhesive. In contrast, the use of hydrophobically modified gelatin with a high substitution ratio (50%) showed lower bonding strength compared with the original gelatin. The peeling strength of 10Ste–disuccinimidyl tartrate and 10Ole–disuccinimidyl tartrate adhesives was similar and high compared with other adhesives. Based on the quantitative determination of biocompatibility, using nuclear factor-kappa B/luciferase transgenic mice (BALB/C-Tg (NF-κB-RE-luc)-Xen), the level of inflammation associated with 10Ste–disuccinimidyl tartrate adhesive was quite low compared with commercial aldehyde-based adhesive. From these results, 10Ste–disuccinimidyl tartrate adhesive possesses excellent biocompatibility as well as high bonding/peeling strength and, therefore, has potential use in clinical applications.
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Affiliation(s)
- Miyuki Matsuda
- Graduate School of Pure and Applied Sciences, University of Tsukuba, Tsukuba, Ibaraki, Japan
- Biomaterials Unit, International Center for Materials Nanoarchitectonics (MANA), National Institute for Materials Science, Tsukuba, Ibaraki, Japan
| | - Motoki Inoue
- Biomaterials Unit, International Center for Materials Nanoarchitectonics (MANA), National Institute for Materials Science, Tsukuba, Ibaraki, Japan
| | - Tetsushi Taguchi
- Graduate School of Pure and Applied Sciences, University of Tsukuba, Tsukuba, Ibaraki, Japan
- Biomaterials Unit, International Center for Materials Nanoarchitectonics (MANA), National Institute for Materials Science, Tsukuba, Ibaraki, Japan
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