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Ni P, Chen Y, Wan K, Cheng Y, Fang Y, Weng Y, Liu H. Mussel Foot Protein-Inspired Adhesive Tapes with Tunable Underwater Adhesion. ACS APPLIED MATERIALS & INTERFACES 2024; 16:45550-45562. [PMID: 39145483 DOI: 10.1021/acsami.4c09709] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/16/2024]
Abstract
Instant and strong adhesion to underwater adherends is a big challenge due to the continuous interference of water. Mussel foot protein-bioinspired catechol-based adhesives have garnered great interest in addressing this issue. Herein, a novel self-made catecholic compound with a long aliphatic chain was utilized to prepare thin (∼0.07 mm) and optically transparent (>80%) wet/underwater adhesive tapes by UV-initiated polymerization. Its adhesion activity was water-triggered, fast (<1 min), and strong (adhesion strength to porcine skin: ∼1.99 MPa; interfacial toughness: ∼610 J/m2, burst pressure: ∼1950 mmHg). The effect of the catechol/phenol group and positively charged moiety on the wet/underwater adhesion to abiotic/biotic substrates was investigated. On the wet/underwater adherends, the tape with catechol groups presented much higher interfacial toughness, adhesion strength, and burst pressure than the analogous tape with phenol groups. The tape with both the catechol group and cationic polyelectrolyte chitosan had a more impressive improvement in its adhesion to wet/underwater biological tissues than to abiotic substrates. Therefore, catechol and a positive moiety in the tape would synergistically enhance its wet/underwater adhesion to various substrates, especially to biological tissues. The instant, strong, and noncytotoxic tape may provide applications in underwater adhesion for sealing and wound closure.
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Affiliation(s)
- Peng Ni
- College of Chemistry and Materials Science, Fujian Normal University, Fuzhou, Fujian 350007, China
| | - Yiming Chen
- College of Chemistry and Materials Science, Fujian Normal University, Fuzhou, Fujian 350007, China
| | - Kaixuan Wan
- College of Chemistry and Materials Science, Fujian Normal University, Fuzhou, Fujian 350007, China
| | - Yishi Cheng
- College of Chemistry and Materials Science, Fujian Normal University, Fuzhou, Fujian 350007, China
| | - Yan Fang
- College of Chemistry and Materials Science, Fujian Normal University, Fuzhou, Fujian 350007, China
| | - Yunxiang Weng
- College of Chemistry and Materials Science, Fujian Normal University, Fuzhou, Fujian 350007, China
| | - Haiqing Liu
- College of Chemistry and Materials Science, Fujian Normal University, Fuzhou, Fujian 350007, China
- Fujian-Taiwan Science and Technology Cooperation Base of Biomedical Materials and Tissue Engineering, Fuzhou, Fujian 350007, China
- Engineering Research Center of Industrial Biocatalysis, Fuzhou, Fujian 350007, China
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Wang S, Wang Z, Yang W, Xu Z, Dai H, He F, Yan S, Shi X. In Situ-Sprayed Bioinspired Adhesive Conductive Hydrogels for Cavernous Nerve Repair. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2024; 36:e2311264. [PMID: 38330187 DOI: 10.1002/adma.202311264] [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: 10/26/2023] [Revised: 01/04/2024] [Indexed: 02/10/2024]
Abstract
Cavernous nerve injury (CNI), resulting in erectile dysfunction (ED), poses a significant threat to the quality of life for men. Strategies utilizing conductive hydrogels have demonstrated promising results for the treatment of peripheral nerves with a large diameter (>2 mm). However, integrating convenient minimally invasive operation, antiswelling and immunomodulatory conductive hydrogels for treating small-diameter injured cavernous nerves remains a great challenge. Here, a sprayable adhesive conductive hydrogel (GACM) composed of gelatin, adenine, carbon nanotubes, and mesaconate designed for cavernous nerve repair is developed. Multiple hydrogen bonds provide GACM with excellent adhesive and antiswelling properties, enabling it to establish a conformal electrical bridge with the damaged nerve and aiding in the regeneration process. Additionally, mesaconate-loaded GACM suppresses the release of inflammatory factors by macrophages and promotes the migration and proliferation of Schwann cells. In vivo tests demonstrate that the GACM hydrogel repairs the cavernous nerve and restores erectile function and fertility. Furthermore, the feasibility of sprayable GACM in minimally invasive robotic surgery in beagles is validated. Given the benefits of therapeutic effectiveness and clinical convenience, the research suggests a promising future for sprayable GACM materials as advanced solutions for minimally invasive nerve repair.
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Affiliation(s)
- Shuting Wang
- National Engineering Research Centre for Tissue Restoration and Reconstruction, South China University of Technology, Guangzhou, 510006, China
- School of Materials Science and Engineering, South China University of Technology, Guangzhou, 510640, China
| | - Zhenqing Wang
- Department of Urology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, 250021, China
| | - Wei Yang
- National Engineering Research Centre for Tissue Restoration and Reconstruction, South China University of Technology, Guangzhou, 510006, China
| | - Zhen Xu
- Department of Urology, The Seventh Affiliated Hospital, Sun Yat-sen University, Shenzhen, 518107, China
| | - Hao Dai
- National Engineering Research Centre for Tissue Restoration and Reconstruction, South China University of Technology, Guangzhou, 510006, China
- School of Materials Science and Engineering, South China University of Technology, Guangzhou, 510640, China
| | - Fupo He
- School of Electromechanical Engineering, Guangdong University of Technology, Guangzhou, 510006, China
| | - Shengtao Yan
- Department of Emergency, China-Japan Friendship Hospital, Beijing, 100029, China
| | - Xuetao Shi
- National Engineering Research Centre for Tissue Restoration and Reconstruction, South China University of Technology, Guangzhou, 510006, China
- School of Materials Science and Engineering, South China University of Technology, Guangzhou, 510640, China
- Key Laboratory of Biomedical Engineering of Guangdong Province, South China University of Technology, Guangzhou, 510006, China
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Sharma A, Dutta T, Srivastava A. Underwater Adhesives from Redox-Responsive Polyplexes of Thiolated Polyamide Polyelectrolytes. Chemistry 2024; 30:e202302157. [PMID: 37751057 DOI: 10.1002/chem.202302157] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2023] [Revised: 09/23/2023] [Accepted: 09/26/2023] [Indexed: 09/27/2023]
Abstract
We report the fabrication of optically clear underwater adhesives using polyplexes of oppositely charged partially-thiolated polyamide polyelectrolytes (TPEs). The thiol content of the constituent PEs was varied to assess its influence on the adhesive properties of the resulting glues. These catechol-free, redox-responsive TPE-adhesives were formulated in aquo and exhibited high optical transparency and strong adhesion even on submerged or moist surfaces of diverse polar substrates such as glass, aluminium, wood, and bone pieces. The adhesives could be cured under water through oxidative disulphide crosslinking of the constituent TPEs. The polyamide backbone provided multi-site H-bonding interactions with the substrates while the disulphide crosslinking provided the cohesive strength to the glue. Strong adhesion of mammalian bones (load bearing capacity upto 7 kg/cm2 ) was achieved using the adhesive containing 30 mol % thiol residues. Higher pH and use of oxidants such as povidone-iodine solution enhanced the curing rate of the adhesives, and so did the use of Tris buffer instead of Phosphate buffer. The porous architecture of the adhesive and its progressive degradation in aqueous medium over the course of three weeks bode well for diverse biomedical applications where temporary adhesion of tissues is required.
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Affiliation(s)
- Aashish Sharma
- Department of Chemistry, Indian Institute of Science Education Research, Bhopal, Bhopal By-pass Road, Bhauri, Bhopal, 462066, India
- Current Affiliation: School of Medical and Allied Sciences, G.D. Goenka University, Sohna Road, Gurugram, Haryana, 122103, India
| | - Tanmay Dutta
- Department of Chemistry, Indian Institute of Science Education Research, Bhopal, Bhopal By-pass Road, Bhauri, Bhopal, 462066, India
| | - Aasheesh Srivastava
- Department of Chemistry, Indian Institute of Science Education Research, Bhopal, Bhopal By-pass Road, Bhauri, Bhopal, 462066, India
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Chen Y, Ni P, Xu R, Wang X, Fu C, Wan K, Fang Y, Liu H, Weng Y. Tough and On-Demand Detachable Wet Tissue Adhesive Hydrogel Made from Catechol Derivatives with a Long Aliphatic Side Chain. Adv Healthc Mater 2023; 12:e2301913. [PMID: 37533401 DOI: 10.1002/adhm.202301913] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2023] [Indexed: 08/04/2023]
Abstract
Wet adhesion is critical in cases of wound closure, but it is usually deterred by the hydration layer on tissues. Inspired by dopamine-mediated underwater adhesion in mussel foot proteins, wet tissue adhesives containing catechol with 2-3 carbons side chains are reported mostly. To make wet adhesion of this type of adhesives much tougher, catechol derivatives with a long aliphatic side chain (≈10 atoms length) are synthesized. Then, a series of strong wet tissue adhesive hydrogels are prepared through photoinduced copolymerization of acrylic acid with synthetic monomers. The adhesive hydrogel has a high cohesion strength, that is, tensile strength and strain, and toughness of ≈1800 kPa, ≈540%, and ≈4100 kJ m-3 , respectively. Its interfacial toughness on wet and underwater porcine skin is respectively ≈1300 and ≈1100 J m-2 , and its adhesion strength to wet porcine skin is ≈153 kPa. These values are much higher than those of dopamine-based adhesives in the same conditions, demonstrating that the long aliphatic side chain on catechol can greatly improve the wet tissue-adhesion. Additionally, the tough interfacial adhesion can be broken on demand with 5 wt.% aqueous urea solution. This adhesive hydrogel is highly promising in safe wound closure.
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Affiliation(s)
- Yiming Chen
- College of Chemistry and Materials Science, Fujian Normal University, Fuzhou, 350117, China
| | - Peng Ni
- College of Chemistry and Materials Science, Fujian Normal University, Fuzhou, 350117, China
| | - Renfeng Xu
- College of Life Science, Fujian Normal University, Fuzhou, 350117, China
| | - Xueli Wang
- College of Chemistry and Materials Science, Fujian Normal University, Fuzhou, 350117, China
| | - Chunhui Fu
- College of Chemistry and Materials Science, Fujian Normal University, Fuzhou, 350117, China
| | - Kaixuan Wan
- College of Chemistry and Materials Science, Fujian Normal University, Fuzhou, 350117, China
| | - Yan Fang
- College of Chemistry and Materials Science, Fujian Normal University, Fuzhou, 350117, China
| | - Haiqing Liu
- College of Chemistry and Materials Science, Fujian Normal University, Fuzhou, 350117, China
| | - Yunxiang Weng
- College of Chemistry and Materials Science, Fujian Normal University, Fuzhou, 350117, China
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Wang X, Huang H, Xu R, Fang Y, Weng Y, Wang Z, Xiong X, Liu H. Robust but On-Demand Detachable Wet Tissue Adhesive Hydrogel Enhanced with Modified Tannic Acid. ACS APPLIED MATERIALS & INTERFACES 2023; 15:45676-45688. [PMID: 37733382 DOI: 10.1021/acsami.3c10140] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/22/2023]
Abstract
Adhesives with robust but readily detachable wet tissue adhesion are of great significance for wound closure. Polyelectrolyte complex adhesive (PECA) is an important wet tissue adhesive. However, its relatively weak cohesive and adhesive strength cannot satisfy clinical applications. Herein, modified tannic acid (mTA) with a catechol group, a long alkyl hydrophobic chain, and a phenyl group was prepared first, and then, it was mixed with acrylic acid (AA) and polyethylenimine (PEI), followed by UV photopolymerization to make a wet tissue adhesive hydrogel with tough cohesion and adhesion strength. The hydrogel has a strong wet tissue interfacial toughness of ∼1552 J/m2, good mechanical properties (∼7220 kPa cohesive strength, ∼873% strain, and ∼33,370 kJ/m3 toughness), and a bursting pressure of ∼1575 mmHg on wet porcine skin. The hydrogel can realize quick and effective adhesion to various wet biological tissues including porcine skin, liver, kidney, and heart and can be changed easily with triggering urea solution to avoid tissue damage or uncomfortable pain to the patient. This biosafe adhesive hydrogel is very promising for wound closure and may provide new ideas for the design of robust wet tissue adhesives.
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Affiliation(s)
- Xinyue Wang
- College of Chemistry and Materials Science, Fujian Normal University, Fujian 350007, China
| | - Hongjian Huang
- College of Chemistry and Materials Science, Fujian Normal University, Fujian 350007, China
| | - Renfeng Xu
- College of Life Science, Fujian Normal University, Fujian 350007, China
| | - Yan Fang
- College of Chemistry and Materials Science, Fujian Normal University, Fujian 350007, China
| | - Yunxiang Weng
- College of Chemistry and Materials Science, Fujian Normal University, Fujian 350007, China
| | - Zhengchao Wang
- College of Life Science, Fujian Normal University, Fujian 350007, China
| | - Xiaopeng Xiong
- College of Materials, Xiamen University, Fujian 361005, China
| | - Haiqing Liu
- College of Chemistry and Materials Science, Fujian Normal University, Fujian 350007, China
- Fujian-Taiwan Science and Technology Cooperation Base of Biomedical Materials and Tissue Engineering, Fujian 350007, China
- Engineering Research Center of Industrial Biocatalysis, Fujian 350007, China
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Luo J, Wang J, Li Q, Xiong L, Xie R, Lan G, Ning LJ, Xie J, Hu E, Lu B. In situ generation of bioadhesives using dry tannic silk particles: a wet-adhesion strategy relying on removal of hydraulic layer over wet tissues for wound care. Int J Biol Macromol 2023; 250:126087. [PMID: 37536416 DOI: 10.1016/j.ijbiomac.2023.126087] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2023] [Revised: 07/25/2023] [Accepted: 07/30/2023] [Indexed: 08/05/2023]
Abstract
Tissue adhesives have been widely used in biomedical applications. However, the presence of a hydrated layer on the surface of wet tissue severely hinders their adhesion capacities, resulting in ineffective wound treatment. To address this issue, a dry particle dressing (plas@SF/tann-hydro-pwd) capable of removing the hydrated layer and converting in situ to bioadhesives (plas@SF/tann-hydro-gel) was fabricated via simple physical mixing based on the hydrophobic-hydrogen bonding synergistic effect and Schiff-base reaction. It was found that the plas@SF/tann-hydro-gel bioadhesive, which was changed from plas@SF/tann-hydro-pwd dressing by adsorption of water, exhibited good wet adhesion to diverse biological tissues. In addition, the wet adhesion qualities of the plas@SF/tann-hydro-gel adhesive was studied under a variety of demanding conditions, including a wide range of temperatures, varying pH levels, highly concentrated salt solutions, and simulated fluids. Experiments on animals had showed that the adhesive plas@SF/tann-hydro-gel has superior wet adhesion qualities and superior wound healing properties compared to the commercial product Tegaderm™. This study develops a new wet-adhesion technique employing dry particle dressing to eliminate the hydrated layer over wet tissues for the in situ creation of gel bioadhesives for wound healing.
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Affiliation(s)
- Jinyang Luo
- State Key Laboratory of Resource Insects, College of Sericulture, Textile and Biomass Sciences, Southwest University, Chongqing 400715, China
| | - Junsu Wang
- Chongqing Customs Technology Center, Chongqing 400044, China
| | - Qing Li
- State Key Laboratory of Resource Insects, College of Sericulture, Textile and Biomass Sciences, Southwest University, Chongqing 400715, China
| | - Li Xiong
- State Key Laboratory of Resource Insects, College of Sericulture, Textile and Biomass Sciences, Southwest University, Chongqing 400715, China
| | - Ruiqi Xie
- State Key Laboratory of Resource Insects, College of Sericulture, Textile and Biomass Sciences, Southwest University, Chongqing 400715, China
| | - Guangqian Lan
- State Key Laboratory of Resource Insects, College of Sericulture, Textile and Biomass Sciences, Southwest University, Chongqing 400715, China
| | - Liang-Ju Ning
- Department of Orthopedic Surgery and Orthopedic Research Institute, Laboratory of Stem Cell and Tissue Engineering, State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, China
| | - Jing Xie
- Department of Stomatology, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou 325000, China
| | - Enling Hu
- State Key Laboratory of Resource Insects, College of Sericulture, Textile and Biomass Sciences, Southwest University, Chongqing 400715, China; School of Fashion and Textiles, The Hong Kong Polytechnic University, Hong Kong
| | - Bitao Lu
- State Key Laboratory of Resource Insects, College of Sericulture, Textile and Biomass Sciences, Southwest University, Chongqing 400715, China.
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