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Tao S, Zhu S, Wang W, Cao X, Hu Y, Chen Q, Zha L, Zha Z. Shape Self-Adaptive Liquid Embolic Agent for Ultrafast and Durable Vascular Embolization. ACS APPLIED MATERIALS & INTERFACES 2024; 16:31936-31949. [PMID: 38869429 DOI: 10.1021/acsami.4c02892] [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: 06/14/2024]
Abstract
Minimally invasive embolization greatly decreases the mortality resulting from vascular injuries while still suffering from a high risk of recanalization and systematic thrombosis due to the intrinsic hydrophobicity and poor adhesion of the clinically used liquid embolic agent of Lipiodol. In this study, a shape self-adaptive liquid embolic agent was developed by mixing biocompatible poly(acrylic acid) (PAA), two-dimensional magnesium-aluminum layered double hydroxide (LDH), and poly(ethylene glycol)200 (PEG200). Upon contact with blood, the injectable PAA-LDH@PEG200 would quickly absorb water to form an adhesive and mechanically strong PAA-LDH thin hydrogel within 5 s, which could firmly adhere to the blood vessel wall for ultrafast and durable embolization. In addition, benefiting from the "positively charged nucleic center effect" of LDH nanosheets, the liquid PAA-LDH@PEG200 could avoid vascular distension by PAA overexpansion and possess high shock-resistant mechanical strength from the blood flow. Furthermore, both in vitro and in vivo embolization experiments demonstrated the complete embolic capacity of liquid PAA-LDH@PEG200 without the occurrence of recanalization for 28 days and also the great potential to act as a platform to couple with chemotherapeutic drugs for the minimized transcatheter arterial chemoembolization (TACE) treatment of VX2 tumors without recurrence for 18 days. Thus, liquid PAA-LDH@PEG200 developed here possesses great potential to act as a shape self-adaptive liquid embolic agent for ultrafast and durable vascular embolization.
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Affiliation(s)
- Shi Tao
- School of Food and Biological Engineering, Hefei University of Technology, Hefei 230009, P. R. China
| | - Shuangli Zhu
- Institute of Medical Health, Harbin Institute of Technology Zhengzhou Research Institute, Zhengzhou 450000, P. R. China
| | - Weitao Wang
- School of Food and Biological Engineering, Hefei University of Technology, Hefei 230009, P. R. China
| | - Xiangjing Cao
- School of Food and Biological Engineering, Hefei University of Technology, Hefei 230009, P. R. China
| | - Yaoyu Hu
- School of Food and Biological Engineering, Hefei University of Technology, Hefei 230009, P. R. China
| | - Qian Chen
- School of Food and Biological Engineering, Hefei University of Technology, Hefei 230009, P. R. China
| | - Lisha Zha
- College of Animal Science and Technology, Anhui Agricultural University, Hefei 230036, P. R. China
- School of Biomedical Sciences, Hunan University, Changsha 410082, P. R. China
| | - Zhengbao Zha
- School of Food and Biological Engineering, Hefei University of Technology, Hefei 230009, P. R. China
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Wang Y, Li P, Cao S, Liu Y, Gao C. Nanoarchitectonics composite hydrogels with high toughness, mechanical strength, and self-healing capability for electrical actuators with programmable shape memory properties. NANOSCALE 2023; 15:18667-18677. [PMID: 37921452 DOI: 10.1039/d3nr03578f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/04/2023]
Abstract
Hydrogel materials show promise in various fields, including flexible electronic devices, biological tissue engineering and wound dressing. Nevertheless, the inadequate mechanical properties, recovery performance, and self-healing speed still constrain the development of intelligent hydrogel materials. To tackle these challenges, we designed a composite hydrogel with high mechanical strength, rapid self-recovery and efficient self-healing ability based on multiple synergistic effects. With the synergistic effect of hydrogen bonds, metal coordination bonds and electrostatic interaction, the synthesized hydrogel could reach a maximum tensile strength of 6.2 MPa and a toughness of 50 MJ m-3. The interaction between the weak polyelectrolyte polyethyleneimine and polyacrylic acid aided in improving the elasticity of the hydrogel, thereby endowing it with prompt self-recovery attributes. The multiple reversible effects also endowed the hydrogel with excellent self-healing ability, and the fractured hydrogel could achieve 95% self-healing within 4 h at room temperature. By the addition of glycerol, the hydrogel could also cope with a variety of extreme environments in terms of moisture retention (12 h, maintaining 80% of its water content) and freeze protection (-36.8 °C) properties. In addition, the composite hydrogels applied in the field of shape memory possessed programmable and reversible shape transformation properties. The polymer chains were entangled at high temperatures to achieve shape fixation, and shape memory was eliminated at low temperatures, which allowed the hydrogels to be reprogrammed and achieve multiple shape transitions. In addition, we also assemble composite hydrogels as actuators and robotic arms for intelligent applications.
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Affiliation(s)
- Yanqing Wang
- College of Chemical Engineering, Qingdao University of Science and Technology, Qingdao 266042, China.
| | - Pengcheng Li
- College of Chemical Engineering, Qingdao University of Science and Technology, Qingdao 266042, China.
| | - Shuting Cao
- College of Chemical Engineering, Qingdao University of Science and Technology, Qingdao 266042, China.
| | - Yuetao Liu
- College of Chemical Engineering, Qingdao University of Science and Technology, Qingdao 266042, China.
| | - Chuanhui Gao
- College of Chemical Engineering, Qingdao University of Science and Technology, Qingdao 266042, China.
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3
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Enzymatically mediated Gleditsia sinensis galactomannan based hydrogel inspired by wound healing process. Int J Biol Macromol 2023; 230:123152. [PMID: 36610566 DOI: 10.1016/j.ijbiomac.2023.123152] [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: 11/11/2022] [Revised: 12/22/2022] [Accepted: 01/02/2023] [Indexed: 01/06/2023]
Abstract
The self-healing property based on metal-ligand physical coordination is particularly interesting in bio-hydrogel science due to its allowance for multiple local healing events to process. As the most abundant renewable green resource in nature, Gleditsia sinensis galactomannan has great potential as a starting material for functional materials. In this study, the biocompatible Gleditsia sinensis galactomannan and cellulose were firstly chemically modified and then taken as the main constituent for constructing the metal-ligand coordination through an enzyme-regulated strategy. The hydrogel could quickly gelatinize in the surrounding environment, corresponding to the violent exothermic phenomenon, and exhibit extraordinary self-healing behavior. The molecular dynamics simulation of the hydrogel confirmed the more stable coordinated configuration from Fe(III)-chelates than Fe(II)-chelates. The morphology, mechanical property, antibacterial, and cytotoxicity of the prepared hydrogel were also studied. Our results indicated that galactomannan hydrogel based on the metal-ligand networks could balance the kinetic stability and intrinsic healability through the enzyme-induced route, which provide a new perspective in the field of biomaterial applications.
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Zhao S, Liu HY, Cui L, Kang Y, Bian G, Yin J, Yu JC, Chang YW, Zhu J. Elastomeric Nanodielectrics for Soft and Hysteresis-Free Electronics. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2021; 33:e2104761. [PMID: 34632640 DOI: 10.1002/adma.202104761] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/21/2021] [Revised: 09/15/2021] [Indexed: 06/13/2023]
Abstract
Elastomeric dielectrics are crucial for reliably governing the carrier densities in semiconducting channels during deformation in soft/stretchable field-effect transistors (FETs). Uncontrolled stacking of polymeric chains renders elastomeric dielectrics poorly insulated at nanoscale thicknesses, thereby thick films are usually required, leading to high voltage or power consumption for on/off operations of FETs. Here, layer-by-layer assembly is exploited to build 15-nm-thick elastomeric nanodielectrics through alternative adsorption of oppositely charged polyurethanes (PUs) for soft and hysteresis-free FETs. After mild thermal annealing to heal pinholes, such PU multilayers offer high areal capacitances of 237 nF cm-2 and low leakage current densities of 3.2 × 10-8 A cm-2 at 2 V. Owing to the intrinsic ductility of the elastomeric PUs, the nanofilms possess excellent dielectric properties at a strain of 5% or a bending radius of 1.5 mm, while the wrinkled counterparts show mechanical stability with negligible changes of leakage currents after repeated stretching to a strain of 50%. Besides, these nanodielectrics are immune to high humidity and conserve their properties when immersed into water, despite their assembly occurs aqueously. Furthermore, the PU dielectrics are implemented in carbon nanotube FETs, demonstrating low-voltage operations (< 1.5 V) and negligible hysteresis without any encapsulations.
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Affiliation(s)
- Sanchuan Zhao
- School of Materials Science and Engineering, National Institute for Advanced Materials, Nankai University, Tianjin, 300350, P. R. China
| | - Hai-Yang Liu
- School of Materials Science and Engineering, National Institute for Advanced Materials, Nankai University, Tianjin, 300350, P. R. China
| | - Lei Cui
- School of Materials Science and Engineering, National Institute for Advanced Materials, Nankai University, Tianjin, 300350, P. R. China
| | - Yu Kang
- School of Materials Science and Engineering, National Institute for Advanced Materials, Nankai University, Tianjin, 300350, P. R. China
| | - Gang Bian
- School of Materials Science and Engineering, National Institute for Advanced Materials, Nankai University, Tianjin, 300350, P. R. China
| | - Jun Yin
- School of Materials Science and Engineering, National Institute for Advanced Materials, Nankai University, Tianjin, 300350, P. R. China
| | - Jae-Chul Yu
- R&D Center, Hepce Chem Co., Ltd., Siheung, Gyeonggi, 15588, Korea
| | - Young-Wook Chang
- Department of Materials and Chemical Engineering, BK21 FOUR ERICA-ACE Center, Hanyang University, Ansan, Gyeonggi, 15588, Korea
| | - Jian Zhu
- School of Materials Science and Engineering, National Institute for Advanced Materials, Nankai University, Tianjin, 300350, P. R. China
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Wang X, Wang R, Wu F, Yue H, Cui Z, Zhou X, Lu Y. Mussel-inspired layer-by-layer assembled polymeric films with fast growing and NIR light triggered healing capabilities. Eur Polym J 2021. [DOI: 10.1016/j.eurpolymj.2021.110689] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
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Li P, Zhong Y, Wang X, Hao J. Enzyme-Regulated Healable Polymeric Hydrogels. ACS CENTRAL SCIENCE 2020; 6:1507-1522. [PMID: 32999926 PMCID: PMC7517121 DOI: 10.1021/acscentsci.0c00768] [Citation(s) in RCA: 42] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/11/2020] [Indexed: 05/11/2023]
Abstract
The enzyme-regulated healable polymeric hydrogels are a kind of emerging soft material capable of repairing the structural defects and recovering the hydrogel properties, wherein their fabrication, self-healing, or degradation is mediated by enzymatic reactions. Despite achievements that have been made in controllable cross-linking and de-cross-linking of hydrogels by utilizing enzyme-catalyzed reactions in the past few years, this substrate-specific strategy for regulating healable polymeric hydrogels remains in its infancy, because both the intelligence and practicality of current man-made enzyme-regulated healable materials are far below the levels of living organisms. A systematic summary of current achievements and a reasonable prospect at this point can play positive roles for the future development in this field. This Outlook focuses on the emerging and rapidly developing research area of bioinspired enzyme-regulated self-healing polymeric hydrogel systems. The enzymatic fabrication and degradation of healable polymeric hydrogels, as well as the enzymatically regulated self-healing of polymeric hydrogels, are reviewed. The functions and applications of the enzyme-regulated healable polymeric hydrogels are discussed.
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Affiliation(s)
- Panpan Li
- National
Engineering Research Center for Colloidal Materials, School of Chemistry
and Chemical Engineering, Shandong University, Jinan, Shandong 250100, China
| | - Yuanbo Zhong
- National
Engineering Research Center for Colloidal Materials, School of Chemistry
and Chemical Engineering, Shandong University, Jinan, Shandong 250100, China
| | - Xu Wang
- National
Engineering Research Center for Colloidal Materials, School of Chemistry
and Chemical Engineering, Shandong University, Jinan, Shandong 250100, China
| | - Jingcheng Hao
- Key
Laboratory of Colloid and Interface Chemistry and Key Laboratory of
Special Aggregated Materials of the Ministry of Education, Shandong University, Jinan, Shandong 250100, China
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7
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Li P, Xia Y, Hao J, Wang X. Transient Healability of Metallosupramolecular Polymer Networks Mediated by Kinetic Control of Competing Chemical Reactions. Macromolecules 2020. [DOI: 10.1021/acs.macromol.0c00052] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Panpan Li
- National Engineering Research Center for Colloidal Materials, School of Chemistry and Chemical Engineering, Shandong University, Jinan, Shandong 250100, China
| | - Yuguo Xia
- National Engineering Research Center for Colloidal Materials, School of Chemistry and Chemical Engineering, Shandong University, Jinan, Shandong 250100, China
| | - Jingcheng Hao
- Key Laboratory of Colloid and Interface Chemistry and Key Laboratory of Special Aggregated Materials of the Ministry of Education, Shandong University, Jinan, Shandong 250100, China
| | - Xu Wang
- National Engineering Research Center for Colloidal Materials, School of Chemistry and Chemical Engineering, Shandong University, Jinan, Shandong 250100, China
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Zhong Y, Li P, Hao J, Wang X. Bioinspired Self-Healing of Kinetically Inert Hydrogels Mediated by Chemical Nutrient Supply. ACS APPLIED MATERIALS & INTERFACES 2020; 12:6471-6478. [PMID: 31960674 DOI: 10.1021/acsami.9b20445] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/25/2023]
Abstract
Dynamic stability and self-healing ability are two inherently compatible properties for living organisms. By contrast, kinetic stability and intrinsic healability are two desired but mostly incompatible properties for synthetic materials. This is because the healing of these materials heavily relies on the kinetic lability of the chemical bonds or physical interactions in materials. Inspired by the hierarchically and temporally controlled wound healing in biological systems, here, we report the intrinsic healing of kinetically stable hydrogels, regulated by the consumption of chemical nutrients. The acylhydrazone-based polymer hydrogels with preinstalled urease and urea were formed at a low initial pH, followed by in situ enzymatic generation of a base to deactivate the dynamic bonds, allowing efficient fabrication of kinetically stable hydrogels. The healing of damaged hydrogels was effective when fed with proper chemical nutrients (i.e., acidic urea solutions), in which case a transient acidic pH state was temporally programmed by combining a fast acidic activator (for structural healing) with the slow, biocatalytic generation of a base (for property recovery). The ability to regulate both hydrogel fabrication and healing via a single enzymatic reaction could provide a new approach to create kinetically stable materials capable of healing damages on demand.
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Affiliation(s)
- Yuanbo Zhong
- National Engineering Research Center for Colloidal Materials, School of Chemistry and Chemical Engineering , Shandong University , Jinan , Shandong 250100 , China
| | - Panpan Li
- National Engineering Research Center for Colloidal Materials, School of Chemistry and Chemical Engineering , Shandong University , Jinan , Shandong 250100 , China
| | - Jingcheng Hao
- Key Laboratory of Colloid and Interface Chemistry and Key Laboratory of Special Aggregated Materials of the Ministry of Education , Shandong University , Jinan , Shandong 250100 , China
| | - Xu Wang
- National Engineering Research Center for Colloidal Materials, School of Chemistry and Chemical Engineering , Shandong University , Jinan , Shandong 250100 , China
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9
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Duan N, Sun Z, Ren Y, Liu Z, Liu L, Yan F. Imidazolium-based ionic polyurethanes with high toughness, tunable healing efficiency and antibacterial activities. Polym Chem 2020. [DOI: 10.1039/c9py01620a] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Ionic polyurethanes (PUs) with high toughness, fast self-healing ability, antibacterial activity and shape memory behaviors are synthesized.
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Affiliation(s)
- Ning Duan
- Department of Polymer Science and Engineering
- College of Chemistry
- Chemical Engineering and Materials Science
- Soochow University
- Suzhou
| | - Zhe Sun
- Department of Polymer Science and Engineering
- College of Chemistry
- Chemical Engineering and Materials Science
- Soochow University
- Suzhou
| | - Yongyuan Ren
- Department of Polymer Science and Engineering
- College of Chemistry
- Chemical Engineering and Materials Science
- Soochow University
- Suzhou
| | - Ziyang Liu
- Department of Polymer Science and Engineering
- College of Chemistry
- Chemical Engineering and Materials Science
- Soochow University
- Suzhou
| | - Lili Liu
- Department of Polymer Science and Engineering
- College of Chemistry
- Chemical Engineering and Materials Science
- Soochow University
- Suzhou
| | - Feng Yan
- Department of Polymer Science and Engineering
- College of Chemistry
- Chemical Engineering and Materials Science
- Soochow University
- Suzhou
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10
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Fabrication and antifouling behavior research of self-healing lubricant impregnated films with dynamic surfaces. Colloids Surf A Physicochem Eng Asp 2019. [DOI: 10.1016/j.colsurfa.2019.123865] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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Li S, Xu J, Yao G, Liu H. Self-Adhesive, Self-Healable, and Triple-Responsive Hydrogel Doped with Polydopamine as an Adsorbent toward Methylene Blue. Ind Eng Chem Res 2019. [DOI: 10.1021/acs.iecr.9b03359] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Affiliation(s)
- Sisi Li
- Hunan Provincial Key Laboratory of Efficient and Clean Utilization of Manganese Resources, College of Chemistry and Chemical Engineering, Central South University, Changsha 410083, Hunan, P.R. China
| | - Jun Xu
- Hunan Provincial Key Laboratory of Efficient and Clean Utilization of Manganese Resources, College of Chemistry and Chemical Engineering, Central South University, Changsha 410083, Hunan, P.R. China
| | - Guohong Yao
- Hunan Provincial Key Laboratory of Efficient and Clean Utilization of Manganese Resources, College of Chemistry and Chemical Engineering, Central South University, Changsha 410083, Hunan, P.R. China
| | - Hui Liu
- Hunan Provincial Key Laboratory of Efficient and Clean Utilization of Manganese Resources, College of Chemistry and Chemical Engineering, Central South University, Changsha 410083, Hunan, P.R. China
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Fang X, Sun J. One-Step Synthesis of Healable Weak-Polyelectrolyte-Based Hydrogels with High Mechanical Strength, Toughness, and Excellent Self-Recovery. ACS Macro Lett 2019; 8:500-505. [PMID: 35619368 DOI: 10.1021/acsmacrolett.9b00189] [Citation(s) in RCA: 39] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
Excellent self-recovery is critically important for soft materials such as hydrogels and shape memory polymers. In this work, weak-polyelectrolyte-based hydrogels with high mechanical strength, toughness, healability, and excellent self-recovery are fabricated by one-step polymerization of acrylic acid and poly(ethylene glycol) methacrylate in the presence of oppositely charged branched polyethylenimine. The synergy of electrostatic and hydrogen-bonding interactions and the in situ formed polyelectrolyte complex nanoparticles endow the hydrogels with a tensile strength of ∼4.7 MPa, strain at break of ∼1200%, and toughness of ∼32.6 MJ m-3. The hydrogels can recover from an ∼300% strain to their initial state within 10 min at room temperature without any external assistance. Moreover, the hydrogels can heal from physical cut at room temperature and exhibit a prominent shape-memory performance with rapid shape recovery speed and high shape-fixing and shape-recovery ratios.
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Affiliation(s)
- Xu Fang
- State Key Laboratory of Supramolecular Structure and Materials, College of Chemistry, Jilin University, Changchun 130012, P. R. China
| | - Junqi Sun
- State Key Laboratory of Supramolecular Structure and Materials, College of Chemistry, Jilin University, Changchun 130012, P. R. China
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