1
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Wu Z, Kang S, Liu Y, Wang P, Liu T, Bushra R, Khan MR, Guo J, Zhu W, Xiao H, Song J. Hydrostability, mechanical resilience, and biodegradability of paper straws fabricated through lignin-based polyurethane and chitosan binary emulsion bonding. Int J Biol Macromol 2024; 270:132155. [PMID: 38729462 DOI: 10.1016/j.ijbiomac.2024.132155] [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: 01/23/2024] [Revised: 04/05/2024] [Accepted: 05/05/2024] [Indexed: 05/12/2024]
Abstract
This study focuses on enhancing the strength and water stability of paper straws through a novel approach involving a binary emulsion of lignin-based polyurethane and chitosan. Kraft lignin serves as the raw material for synthesizing a blocked waterborne polyurethane, subsequently combined with carboxylated chitosan to form a stable binary emulsion. The resulting emulsion, exhibiting remarkable stability over at least 6 months, is applied to the base paper. Following emulsion application, the paper undergoes torrefaction at 155 °C. This process deblocks isocyanate groups, enabling their reaction with hydroxyl groups on chitosan and fibers, ultimately forming ester bonds. This reaction significantly improves the mechanical strength and hydrophobicity of paper straws. The composite paper straws demonstrate exceptional mechanical properties, including a tensile strength of 47.21 MPa, Young's modulus of 4.33 GPa, and flexural strength of 32.38 MPa. Notably, its water stability is greatly enhanced, with a wet tensile strength of 40.66 MPa, surpassing commercial paper straws by 8 folds. Furthermore, the composite straw achieves complete biodegradability within 120 days, outperforming conventional paper straws in terms of environmental impact. This innovative solution presents a promising and sustainable alternative to plastic straws, addressing the urgent need for eco-friendly products.
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Affiliation(s)
- Zhenghong Wu
- Jiangsu Co-Innovation Center for Efficient Processing and Utilization of Forest Resources and International Innovation Center for Forest Chemicals and Materials, Nanjing Forestry University, Nanjing 210037, China; School of Automation and Electronic Information, Xiangtan University, Xiangtan 411105, China
| | - Shaomin Kang
- Jiangsu Co-Innovation Center for Efficient Processing and Utilization of Forest Resources and International Innovation Center for Forest Chemicals and Materials, Nanjing Forestry University, Nanjing 210037, China
| | - Yena Liu
- Jiangsu Co-Innovation Center for Efficient Processing and Utilization of Forest Resources and International Innovation Center for Forest Chemicals and Materials, Nanjing Forestry University, Nanjing 210037, China
| | - Peipei Wang
- Jiangsu Co-Innovation Center for Efficient Processing and Utilization of Forest Resources and International Innovation Center for Forest Chemicals and Materials, Nanjing Forestry University, Nanjing 210037, China
| | - Tian Liu
- Jiangsu Co-Innovation Center for Efficient Processing and Utilization of Forest Resources and International Innovation Center for Forest Chemicals and Materials, Nanjing Forestry University, Nanjing 210037, China
| | - Rani Bushra
- Jiangsu Co-Innovation Center for Efficient Processing and Utilization of Forest Resources and International Innovation Center for Forest Chemicals and Materials, Nanjing Forestry University, Nanjing 210037, China
| | - Mohammad Rizwan Khan
- Department of Chemistry, College of Science, King Saud University, Riyadh 11451, Saudi Arabia
| | - Jiaqi Guo
- Jiangsu Co-Innovation Center for Efficient Processing and Utilization of Forest Resources and International Innovation Center for Forest Chemicals and Materials, Nanjing Forestry University, Nanjing 210037, China
| | - Wenyuan Zhu
- Jiangsu Co-Innovation Center for Efficient Processing and Utilization of Forest Resources and International Innovation Center for Forest Chemicals and Materials, Nanjing Forestry University, Nanjing 210037, China
| | - Huining Xiao
- Department of Chemical Engineering, University of New Brunswick, Fredericton, NB E3B 5A3, Canada
| | - Junlong Song
- Jiangsu Co-Innovation Center for Efficient Processing and Utilization of Forest Resources and International Innovation Center for Forest Chemicals and Materials, Nanjing Forestry University, Nanjing 210037, China.
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2
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Yu HP, Zhu YJ. Guidelines derived from biomineralized tissues for design and construction of high-performance biomimetic materials: from weak to strong. Chem Soc Rev 2024; 53:4490-4606. [PMID: 38502087 DOI: 10.1039/d2cs00513a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/20/2024]
Abstract
Living organisms in nature have undergone continuous evolution over billions of years, resulting in the formation of high-performance fracture-resistant biomineralized tissues such as bones and teeth to fulfill mechanical and biological functions, despite the fact that most inorganic biominerals that constitute biomineralized tissues are weak and brittle. During the long-period evolution process, nature has evolved a number of highly effective and smart strategies to design chemical compositions and structures of biomineralized tissues to enable superior properties and to adapt to surrounding environments. Most biomineralized tissues have hierarchically ordered structures consisting of very small building blocks on the nanometer scale (nanoparticles, nanofibers or nanoflakes) to reduce the inherent weaknesses and brittleness of corresponding inorganic biominerals, to prevent crack initiation and propagation, and to allow high defect tolerance. The bioinspired principles derived from biomineralized tissues are indispensable for designing and constructing high-performance biomimetic materials. In recent years, a large number of high-performance biomimetic materials have been prepared based on these bioinspired principles with a large volume of literature covering this topic. Therefore, a timely and comprehensive review on this hot topic is highly important and contributes to the future development of this rapidly evolving research field. This review article aims to be comprehensive, authoritative, and critical with wide general interest to the science community, summarizing recent advances in revealing the formation processes, composition, and structures of biomineralized tissues, providing in-depth insights into guidelines derived from biomineralized tissues for the design and construction of high-performance biomimetic materials, and discussing recent progress, current research trends, key problems, future main research directions and challenges, and future perspectives in this exciting and rapidly evolving research field.
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Affiliation(s)
- Han-Ping Yu
- State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050, P. R. China.
| | - Ying-Jie Zhu
- State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050, P. R. China.
- Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing 100049, P. R. China
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3
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Lv Y, Wang Y, Zhang X. Construction of Mineralization Nanostructures in Polymers for Mechanical Enhancement and Functionalization. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024; 20:e2309313. [PMID: 38164816 DOI: 10.1002/smll.202309313] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/15/2023] [Revised: 11/30/2023] [Indexed: 01/03/2024]
Abstract
Mineralization capable of growing inorganic nanostructures efficiently, orderly, and spontaneously shows great potential for application in the construction of high-performance organic-inorganic composites. As a thermodynamically spontaneous solid-phase crystallization reaction involving dual organic and inorganic components, mineralization allows for the self-assembly of sophisticated and exclusive nanostructures within a polymer matrix. It results in a diversity of functions such as enhanced strength, toughness, electrical conductivity, selective permeability, and biocompatibility. While there are previous reviews discussing the progress of mineralization reactions, many of them overlook the significant benefits of interfacial regulation and functionalization that come from the incorporation of mineralized structures into polymers. Focusing on different means of assembly of mineralized nanostructures in polymer, the work analyzes their design principles and implementation strategies. Then, their different advantages and disadvantages are analyzed by combining nanostructures with organic substrates as well as involving the basis of different functionalizations. It is anticipated to provide insights and guidance for the future development of mineralized polymer composites and their application designs.
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Affiliation(s)
- Yuesong Lv
- State Key Laboratory of Polymer Materials Engineering, Polymer Research Institute, Sichuan University, Chengdu, 610065, China
| | - Yuyan Wang
- Physical Chemistry, Department of Chemistry, University of Konstanz, Universitätsstr. 10, D-78457, Konstanz, Germany
| | - Xinxing Zhang
- State Key Laboratory of Polymer Materials Engineering, Polymer Research Institute, Sichuan University, Chengdu, 610065, China
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4
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Avasthi I, Lerner H, Grings J, Gräber C, Schleheck D, Cölfen H. Biodegradable Mineral Plastics. SMALL METHODS 2024; 8:e2300575. [PMID: 37466247 DOI: 10.1002/smtd.202300575] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/03/2023] [Indexed: 07/20/2023]
Abstract
Mineral plastics are a promising class of bio-inspired materials that offer exceptional properties, like self-heal ability, stretchability in the hydrogel state, and high hardness, toughness, transparency, and non-flammability in the dry state along with reversible transformation into the hydrogel by addition of water. This enables easy reshape-ability and recycling like the solubility in mild acids to subsequently form mineral plastics again by base addition. However, current mineral plastics rely on petrochemistry, are hardly biodegradable, and thus persistent in nature. This work presents the next generation of mineral plastics, which are bio-based and biodegradable, making them a promising, new class of polymers for the development of environmentally friendly materials. Physically cross-linked (poly)glutamic-acid (PGlu)-based mineral plastics are synthesized using various alcohol-water mixtures, metal ion ratios and molecular weights. The rheological properties are easily adjusted using these parameters. The general procedure involves addition of equimolar solution of CaCl2 to PGlu in equal volumes followed by addition of iPrOH (iPrOH:H2O = 1:1) under vigorous stirring conditions. The ready biodegradability of PGlu/CaFe mineral plastic is confirmed in this study where the elements N, Ca, and Fe present in it tend to act as additional nutrients, supporting the growth of microorganisms and consequently, promoting the biodegradation process.
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Affiliation(s)
- Ilesha Avasthi
- Physical Chemistry, Department of Chemistry, University of Konstanz, Universitätstr. 10, D-78457, Konstanz, Germany
| | - Harry Lerner
- Microbial Ecology and Limnic Microbiology, Department of Biology, Limnological Institute, University of Konstanz, Universitätstr. 10, D-78457, Konstanz, Germany
| | - Jonas Grings
- Physical Chemistry, Department of Chemistry, University of Konstanz, Universitätstr. 10, D-78457, Konstanz, Germany
| | - Carla Gräber
- Physical Chemistry, Department of Chemistry, University of Konstanz, Universitätstr. 10, D-78457, Konstanz, Germany
| | - David Schleheck
- Microbial Ecology and Limnic Microbiology, Department of Biology, Limnological Institute, University of Konstanz, Universitätstr. 10, D-78457, Konstanz, Germany
| | - Helmut Cölfen
- Physical Chemistry, Department of Chemistry, University of Konstanz, Universitätstr. 10, D-78457, Konstanz, Germany
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5
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Liang M, Wei D, Ren P, Xu L, Tao Y, Yang L, Jiao G, Zhang T, Serizawa T. A Visible Light Cross-Linked Underwater Hydrogel Adhesive with Biodegradation and Hemostatic Ability. Adv Healthc Mater 2024; 13:e2302538. [PMID: 38176693 DOI: 10.1002/adhm.202302538] [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: 08/04/2023] [Revised: 12/16/2023] [Indexed: 01/06/2024]
Abstract
Hydrogel adhesives with integrated functionalities are still required to match their ever-expanding practical applications in the field of tissue repair and regeneration. A simple and effective safety strategy is reported, involving an in situ injectable polymer precursor and visible light-induced cross-linking. This strategy enables the preparation of a hydrogel adhesive in a physiological environment, offering wet adhesion to tissue surfaces, molecular flexibility, biodegradability, biocompatibility, efficient hemostatic performance, and the ability to facilitate liver injury repair. The proposed one-step preparation process of this polymer precursor involves the mixing of gelatin methacryloyl (GelMA), poly(thioctic acid) [P(TA)], poly(acrylic acid)/amorphous calcium phosphate (PAAc/ACP, PA) and FDA-approved photoinitiator solution, and a subsequent visible light irradiation after in situ injection into target tissues that resulted in a chemically-physically cross-linked hybrid hydrogel adhesive. Such a combined strategy shows promise for medical scenarios, such as uncontrollable post-traumatic bleeding.
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Affiliation(s)
- Min Liang
- State Key Laboratory of Digital Medical Engineering, National Demonstration Center for Experimental Biomedical Engineering Education, School of Biological Science and Medical Engineering, Southeast University, Nanjing, 210096, China
| | - Dandan Wei
- State Key Laboratory of Digital Medical Engineering, National Demonstration Center for Experimental Biomedical Engineering Education, School of Biological Science and Medical Engineering, Southeast University, Nanjing, 210096, China
| | - Pengfei Ren
- State Key Laboratory of Digital Medical Engineering, National Demonstration Center for Experimental Biomedical Engineering Education, School of Biological Science and Medical Engineering, Southeast University, Nanjing, 210096, China
| | - Li Xu
- State Key Laboratory of Digital Medical Engineering, National Demonstration Center for Experimental Biomedical Engineering Education, School of Biological Science and Medical Engineering, Southeast University, Nanjing, 210096, China
| | - Yinghua Tao
- State Key Laboratory of Digital Medical Engineering, National Demonstration Center for Experimental Biomedical Engineering Education, School of Biological Science and Medical Engineering, Southeast University, Nanjing, 210096, China
| | - Liuxin Yang
- State Key Laboratory of Digital Medical Engineering, National Demonstration Center for Experimental Biomedical Engineering Education, School of Biological Science and Medical Engineering, Southeast University, Nanjing, 210096, China
| | - Guanhua Jiao
- State Key Laboratory of Digital Medical Engineering, National Demonstration Center for Experimental Biomedical Engineering Education, School of Biological Science and Medical Engineering, Southeast University, Nanjing, 210096, China
| | - Tianzhu Zhang
- State Key Laboratory of Digital Medical Engineering, National Demonstration Center for Experimental Biomedical Engineering Education, School of Biological Science and Medical Engineering, Southeast University, Nanjing, 210096, China
| | - Takeshi Serizawa
- Department of Chemical Science and Engineering, School of Materials and Chemical Technology, Tokyo Institute of Technology, 2-12-1-H121 Ookayama, Meguro-ku, Tokyo, 152-8550, Japan
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6
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Zhou J, Shi D, Kaneko T, Dong W, Chen M. Regulating Electrostatic Interactions toward Thermoresponsive Hydrogels with Low Critical Solution Temperature. Macromol Rapid Commun 2024; 45:e2300488. [PMID: 37793367 DOI: 10.1002/marc.202300488] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2023] [Revised: 09/18/2023] [Indexed: 10/06/2023]
Abstract
Low critical solution temperature (LCST) of commonly used thermoresponsive polymers in water is basically dominated by hydrophobic interactions. Herein, a novel thermoresponsive system based on electrostatic interactions is reported. By simply loading aluminum chloride (AlCl3 ) into non-responsive poly(2-hydroxyethyl acrylate) (PHEA) hydrogels, PHEA-Al gels turn to have reversible thermoresponsive behavior between transparent and opaque without any volume change. Further investigations by changing metal ion-polymer compositions unravel the necessity of specific electrostatic interactions, namely, cation-dipole bonding interactions between hydroxy groups and trivalent metal ions. The thermoresponsive hydrogel demonstrates high transparency (≈95%), excellent luminous modulation capability (>98%), and cyclic reliability, suggesting great potential as an energy-saving material. Although LCST control by salt addition is widely known, salt-induced expression of thermoresponsiveness has barely been discussed before. This design provides a new approach of easy fabrication, low cost, and scalability to develop stimuli-responsive materials.
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Affiliation(s)
- Jiahua Zhou
- The Key Laboratory of Synthetic and Biological Colloids, Ministry of Education, School of Chemical and Material Engineering, Jiangnan University, Wuxi, 214122, P. R. China
| | - Dongjian Shi
- The Key Laboratory of Synthetic and Biological Colloids, Ministry of Education, School of Chemical and Material Engineering, Jiangnan University, Wuxi, 214122, P. R. China
| | - Tatsuo Kaneko
- The Key Laboratory of Synthetic and Biological Colloids, Ministry of Education, School of Chemical and Material Engineering, Jiangnan University, Wuxi, 214122, P. R. China
| | - Weifu Dong
- The Key Laboratory of Synthetic and Biological Colloids, Ministry of Education, School of Chemical and Material Engineering, Jiangnan University, Wuxi, 214122, P. R. China
| | - Mingqing Chen
- The Key Laboratory of Synthetic and Biological Colloids, Ministry of Education, School of Chemical and Material Engineering, Jiangnan University, Wuxi, 214122, P. R. China
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7
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Zuo L, Yang Y, Zhang H, Ma Z, Xin Q, Ding C, Li J. Bioinspired Multiscale Mineralization: From Fundamentals to Potential Applications. Macromol Biosci 2024; 24:e2300348. [PMID: 37689995 DOI: 10.1002/mabi.202300348] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2023] [Revised: 09/06/2023] [Indexed: 09/11/2023]
Abstract
The wondrous and imaginative designs of nature have always been an inexhaustible treasure trove for material scientists. Throughout the long evolutionary process, biominerals with hierarchical structures possess some specific advantages such as outstanding mechanical properties, biological functions, and sensing performances, the formation of which (biomineralization) is delicately regulated by organic component. Provoked by the subtle structures and profound principles of nature, bioinspired functional minerals can be designed with the participation of organic molecules. Because of the designable morphology and functions, multiscale mineralization has attracted more and more attention in the areas of medicine, chemistry, biology, and material science. This review provides a summary of current advancements in this extending topic. The mechanisms underlying mineralization is first concisely elucidated. Next, several types of minerals are categorized according to their structural characteristic, as well as the different potential applications of these materials. At last, a comprehensive overview of future developments for bioinspired multiscale mineralization is given. Concentrating on the mechanism of fabrication and broad application prospects of multiscale mineralization, the hope is to provide inspirations for the design of other functional materials.
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Affiliation(s)
- Liangrui Zuo
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu, 610065, China
| | - Yifei Yang
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu, 610065, China
| | - Hongbo Zhang
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu, 610065, China
| | - Zhengxin Ma
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu, 610065, China
| | - Qiangwei Xin
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu, 610065, China
| | - Chunmei Ding
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu, 610065, China
| | - Jianshu Li
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu, 610065, China
- State Key Laboratory of Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, 610041, China
- Med-X Center for Materials, Sichuan University, Sichuan, 610041, China
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8
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Tian Y, Wang Z, Cao S, Liu D, Zhang Y, Chen C, Jiang Z, Ma J, Wang Y. Connective tissue inspired elastomer-based hydrogel for artificial skin via radiation-indued penetrating polymerization. Nat Commun 2024; 15:636. [PMID: 38245537 PMCID: PMC10799914 DOI: 10.1038/s41467-024-44949-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2023] [Accepted: 01/10/2024] [Indexed: 01/22/2024] Open
Abstract
Robust hydrogels offer a candidate for artificial skin of bionic robots, yet few hydrogels have a comprehensive performance comparable to real human skin. Here, we present a general method to convert traditional elastomers into tough hydrogels via a unique radiation-induced penetrating polymerization method. The hydrogel is composed of the original hydrophobic crosslinking network from elastomers and grafted hydrophilic chains, which act as elastic collagen fibers and water-rich substances. Therefore, it successfully combines the advantages of both elastomers and hydrogels and provides similar Young's modulus and friction coefficients to human skin, as well as better compression and puncture load capacities than double network and polyampholyte hydrogels. Additionally, responsive abilities can be introduced during the preparation process, granting the hybrid hydrogels shape adaptability. With these unique properties, the hybrid hydrogel can be a candidate for artificial skin, fluid flow controller, wound dressing layer and many other bionic application scenarios.
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Affiliation(s)
- Yuan Tian
- College of Materials Science and Technology, Nanjing University of Aeronautics and Astronautics, Nanjing, 211106, Jiangsu, China
| | - Zhihao Wang
- College of Materials Science and Technology, Nanjing University of Aeronautics and Astronautics, Nanjing, 211106, Jiangsu, China
| | - Shuiyan Cao
- College of Physics, MIIT Key Laboratory of Aerospace Information Materials and Physics, Nanjing University of Aeronautics and Astronautics, Nanjing, 211106, Jiangsu, China
| | - Dong Liu
- Key Laboratory of Neutron Physics and Institute of Nuclear Physics and Chemistry, China Academy of Engineering Physics, Mianyang, 621999, Sichuan, China
| | - Yukun Zhang
- College of Materials Science and Technology, Nanjing University of Aeronautics and Astronautics, Nanjing, 211106, Jiangsu, China
| | - Chong Chen
- College of Materials Science and Technology, Nanjing University of Aeronautics and Astronautics, Nanjing, 211106, Jiangsu, China
| | - Zhiwen Jiang
- College of Materials Science and Technology, Nanjing University of Aeronautics and Astronautics, Nanjing, 211106, Jiangsu, China
- School of Nuclear Science and Technology, University of Science and Technology of China, Hefei, 230026, Anhui, China
| | - Jun Ma
- College of Materials Science and Technology, Nanjing University of Aeronautics and Astronautics, Nanjing, 211106, Jiangsu, China.
- School of Nuclear Science and Technology, University of Science and Technology of China, Hefei, 230026, Anhui, China.
| | - Yunlong Wang
- College of Materials Science and Technology, Nanjing University of Aeronautics and Astronautics, Nanjing, 211106, Jiangsu, China.
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9
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Ayarza J, Wang J, Kim H, Huang PR, Cassaidy B, Yan G, Liu C, Jaeger HM, Rowan SJ, Esser-Kahn AP. Bioinspired mechanical mineralization of organogels. Nat Commun 2023; 14:8319. [PMID: 38097549 PMCID: PMC10721619 DOI: 10.1038/s41467-023-43733-x] [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: 04/15/2023] [Accepted: 11/17/2023] [Indexed: 12/17/2023] Open
Abstract
Mineralization is a long-lasting method commonly used by biological materials to selectively strengthen in response to site specific mechanical stress. Achieving a similar form of toughening in synthetic polymer composites remains challenging. In previous work, we developed methods to promote chemical reactions via the piezoelectrochemical effect with mechanical responses of inorganic, ZnO nanoparticles. Herein, we report a distinct example of a mechanically-mediated reaction in which the spherical ZnO nanoparticles react themselves leading to the formation of microrods composed of a Zn/S mineral inside an organogel. The microrods can be used to selectively create mineral deposits within the material resulting in the strengthening of the overall resulting composite.
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Affiliation(s)
- Jorge Ayarza
- Pritzker School of Molecular Engineering, University of Chicago, 5640 South Ellis Avenue, Chicago, IL, 60637, USA
| | - Jun Wang
- Pritzker School of Molecular Engineering, University of Chicago, 5640 South Ellis Avenue, Chicago, IL, 60637, USA
| | - Hojin Kim
- Pritzker School of Molecular Engineering, University of Chicago, 5640 South Ellis Avenue, Chicago, IL, 60637, USA
- James Franck Institute, University of Chicago, 929 East 57th Street, Chicago, IL, 60637, USA
| | - Pin-Ruei Huang
- Pritzker School of Molecular Engineering, University of Chicago, 5640 South Ellis Avenue, Chicago, IL, 60637, USA
| | - Britteny Cassaidy
- Pritzker School of Molecular Engineering, University of Chicago, 5640 South Ellis Avenue, Chicago, IL, 60637, USA
| | - Gangbin Yan
- Pritzker School of Molecular Engineering, University of Chicago, 5640 South Ellis Avenue, Chicago, IL, 60637, USA
| | - Chong Liu
- Pritzker School of Molecular Engineering, University of Chicago, 5640 South Ellis Avenue, Chicago, IL, 60637, USA
| | - Heinrich M Jaeger
- James Franck Institute, University of Chicago, 929 East 57th Street, Chicago, IL, 60637, USA
- Department of Physics, University of Chicago, 5720 South Ellis Avenue, Chicago, IL, 60637, USA
| | - Stuart J Rowan
- Pritzker School of Molecular Engineering, University of Chicago, 5640 South Ellis Avenue, Chicago, IL, 60637, USA
- Department of Chemistry, University of Chicago, 5735 South Ellis Avenue, Chicago, IL, 60637, USA
- Chemical and Engineering Sciences Division, Argonne National Laboratory, 9700 Cass Avenue, Lemont, IL, 60439, USA
| | - Aaron P Esser-Kahn
- Pritzker School of Molecular Engineering, University of Chicago, 5640 South Ellis Avenue, Chicago, IL, 60637, USA.
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10
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Völkle Nee Evgrafov E, Schulz F, Kanold JM, Michaelis M, Wissel K, Brümmer F, Schenk AS, Ludwigs S, Bill J, Rothenstein D. Functional mimicry of sea urchin biomineralization proteins with CaCO 3-binding peptides selected by phage display. J Mater Chem B 2023; 11:10174-10188. [PMID: 37850271 DOI: 10.1039/d3tb01584j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2023]
Abstract
The intricate process of biomineralization, e.g. in sea urchins, involves the precise interplay of highly regulated mineralization proteins and the spatiotemporal coordination achieved through compartmentalization. However, the investigation of biomineralization effector molecules, e.g. proteins, is challenging, due to their very low abundance. Therefore, we investigate the functional mimicry in the bioinspired precipitation of calcium carbonate (CaCO3) with artificial peptides selected from a peptide library by phage display based on peptide-binding to calcite and aragonite, respectively. The structure-directing effects of the identified peptides were compared to those of natural protein mixes isolated from skeletal (test) structures of two sea urchin species (Arbacia lixula and Paracentrotus lividus). The calcium carbonate samples deposited in the absence or presence of peptides were analyzed with a set of complementary techniques with regard to morphology, polymorph, and nanostructural motifs. Remarkably, some of the CaCO3-binding peptides induced morphological features in calcite that appeared similar to those obtained in the presence of the natural protein mixes. Many of the peptides identified as most effective in exerting a structure-directing effect on calcium carbonate crystallization were rich in basic amino acid residues. Hence, our in vitro mineralization study further highlights the important, but often neglected, role of positively charged soluble organic matrices associated with biological and bioinspired CaCO3 deposition.
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Affiliation(s)
- Elke Völkle Nee Evgrafov
- Dept. Bioinspired Materials, Institute for Materials Science, University of Stuttgart, Heisenbergstraße 3, 70569 Stuttgart, Germany.
| | - Fabian Schulz
- Dept. Bioinspired Materials, Institute for Materials Science, University of Stuttgart, Heisenbergstraße 3, 70569 Stuttgart, Germany.
| | - Julia Maxi Kanold
- Institute for Biomaterials and Biomolecular Systems & Scientific Diving Group (WiTUS), University of Stuttgart, Pfaffenwaldring 57, 70569 Stuttgart, Germany
| | - Monika Michaelis
- Biomolecular and Materials Interface Research Group, Interdisciplinary Biomedical Research Centre, School of Science and Technology, Nottingham Trent University, Clifton Lane, Nottingham, NG11 8NS, UK
| | - Kerstin Wissel
- Dept. Chemical Materials Synthesis, Institute for Materials Science, University of Stuttgart, Heisenbergstraβe 3, 70569 Stuttgart, Germany
| | - Franz Brümmer
- Institute for Biomaterials and Biomolecular Systems & Scientific Diving Group (WiTUS), University of Stuttgart, Pfaffenwaldring 57, 70569 Stuttgart, Germany
| | - Anna S Schenk
- Physical Chemistry IV, Department of Chemistry, University of Bayreuth, Universitätsstraße 30, 95447 Bayreuth, Germany
| | - Sabine Ludwigs
- IPOC - Functional Polymers, Institute of Polymer Chemistry (IPOC), University of Stuttgart, Stuttgart 70569, Germany
| | - Joachim Bill
- Dept. Bioinspired Materials, Institute for Materials Science, University of Stuttgart, Heisenbergstraße 3, 70569 Stuttgart, Germany.
| | - Dirk Rothenstein
- Dept. Bioinspired Materials, Institute for Materials Science, University of Stuttgart, Heisenbergstraße 3, 70569 Stuttgart, Germany.
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11
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Wang H, Fu X, Gu G, Bai S, Li R, Zhong W, Guo X, Eelkema R, van Esch JH, Cao Z, Wang Y. Dynamic Growth of Macroscopically Structured Supramolecular Hydrogels through Orchestrated Reaction-Diffusion. Angew Chem Int Ed Engl 2023; 62:e202310162. [PMID: 37671694 DOI: 10.1002/anie.202310162] [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: 07/17/2023] [Revised: 08/24/2023] [Accepted: 09/05/2023] [Indexed: 09/07/2023]
Abstract
Living organisms are capable of dynamically changing their structures for adaptive functions through sophisticated reaction-diffusion processes. Here we show how active supramolecular hydrogels with programmable lifetimes and macroscopic structures can be created by relying on a simple reaction-diffusion strategy. Two hydrogel precursors (poly(acrylic acid) PAA/CaCl2 and Na2 CO3 ) diffuse from different locations and generate amorphous calcium carbonate (ACC) nanoparticles at the diffusional fronts, leading to the formation of hydrogel structures driven by electrostatic interactions between PAA and ACC nanoparticles. Interestingly, the formed hydrogels are capable of autonomously disintegrating over time because of a delayed influx of electrostatic-interaction inhibitors (NaCl). The hydrogel growth process is well explained by a reaction-diffusion model which offers a theoretical means to program the dynamic growth of structured hydrogels. Furthermore, we demonstrate a conceptual access to dynamic information storage in soft materials using the developed reaction-diffusion strategy. This work may serve as a starting point for the development of life-like materials with adaptive structures and functionalities.
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Affiliation(s)
- Hucheng Wang
- State Key Laboratory of Chemical Engineering, East China University of Science and Technology, Meilong Road 130, Shanghai, 200237, P. R. China
| | - Xiaoming Fu
- Key Laboratory of Smart Manufacturing in Energy Chemical Process, East China University of Science and Technology, Meilong Road 130, Shanghai, 200237, P. R. China
| | - Guanyao Gu
- State Key Laboratory of Chemical Engineering, East China University of Science and Technology, Meilong Road 130, Shanghai, 200237, P. R. China
| | - Shengyu Bai
- State Key Laboratory of Chemical Engineering, East China University of Science and Technology, Meilong Road 130, Shanghai, 200237, P. R. China
| | - Runlai Li
- Department of Chemistry, National University of Singapore, Singapore, 119077, Singapore
| | - Weimin Zhong
- Key Laboratory of Smart Manufacturing in Energy Chemical Process, East China University of Science and Technology, Meilong Road 130, Shanghai, 200237, P. R. China
| | - Xuhong Guo
- State Key Laboratory of Chemical Engineering, East China University of Science and Technology, Meilong Road 130, Shanghai, 200237, P. R. China
| | - Rienk Eelkema
- Department of Chemical Engineering, Delft University of Technology, van der Maasweg 9, 2629 HZ, Delft, The Netherlands
| | - Jan H van Esch
- Department of Chemical Engineering, Delft University of Technology, van der Maasweg 9, 2629 HZ, Delft, The Netherlands
| | - Zhixing Cao
- Key Laboratory of Smart Manufacturing in Energy Chemical Process, East China University of Science and Technology, Meilong Road 130, Shanghai, 200237, P. R. China
| | - Yiming Wang
- State Key Laboratory of Chemical Engineering, East China University of Science and Technology, Meilong Road 130, Shanghai, 200237, P. R. China
- Shanghai Key Laboratory for Intelligent Sensing and Detection Technology, East China University of Science and Technology, Meilong Road 130, Shanghai, 200237, P. R. China
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12
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Sui C, Robinson TE, Williams RL, Eisenstein NM, Grover LM. Triggered metabolism of adenosine triphosphate as an explanation for the chemical heterogeneity of heterotopic ossification. Commun Chem 2023; 6:227. [PMID: 37857687 PMCID: PMC10587346 DOI: 10.1038/s42004-023-01015-z] [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: 07/19/2022] [Accepted: 09/28/2023] [Indexed: 10/21/2023] Open
Abstract
Heterotopic ossification (HO), the pathological formation of bone in soft tissues, is a debilitating condition, as well as one of the few instances of de novo bone formation in adults. Chemical mapping of HO tissue showed distinct islands of calcium phosphate within phosphate-deficient, calcium-rich regions, suggesting a transition to apatitic bone mineral from a non-phosphatic precursor. The transition of amorphous calcium carbonate (ACC), a generally suggested bone-mineral precursor, in physiological conditions was thus investigated. Here, we show that adenosine triphosphate (ATP), present in high amounts in forming bone, stabilised ACC for weeks in physiological conditions and that enzymatic degradation of ATP triggered rapid crystallisation into apatite, through an amorphous calcium phosphate phase. It is suggested that this localised enzymatic degradation could explain the chemical heterogeneity seen in HO and may also represent a pathway to physiological bone mineralisation.
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Affiliation(s)
- Cong Sui
- Healthcare Technologies Institute, School of Chemical Engineering, University of Birmingham, Birmingham, B15 2TT, UK
| | - Thomas E Robinson
- Healthcare Technologies Institute, School of Chemical Engineering, University of Birmingham, Birmingham, B15 2TT, UK
| | - Richard L Williams
- Healthcare Technologies Institute, School of Chemical Engineering, University of Birmingham, Birmingham, B15 2TT, UK
| | - Neil M Eisenstein
- Healthcare Technologies Institute, School of Chemical Engineering, University of Birmingham, Birmingham, B15 2TT, UK
| | - Liam M Grover
- Healthcare Technologies Institute, School of Chemical Engineering, University of Birmingham, Birmingham, B15 2TT, UK.
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13
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Subba SH, Park SY. In Situ Cancer-Cell-Triggered Visible Changes in Mechanical Properties, Electroconductivity, and Adhesiveness of a MnO 2@PD-Based Mineralized Hydrogel. ACS APPLIED MATERIALS & INTERFACES 2023; 15:38357-38366. [PMID: 37548176 DOI: 10.1021/acsami.3c08501] [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: 08/08/2023]
Abstract
Herein, a cancer-specific dopamine-conjugated sp2-rich carbonized polymer dot (PD)-encapsulated mesoporous MnO2 (MnO2@PD)-mineralized hydrogel biosensor was developed that offers cancer-induced observable in situ alterations in fluorescence (FL), electrochemical, and mechanophysical properties. Cancer-triggered MnO2 degradation in the hydrogel, prompted by increased levels of glutathione (GSH) and reactive oxygen species (ROS) such as H2O2, leads to PD release and FL restoration, thereby controlling changes in the pore structure and increasing hydrogen bonding, resulting in physiologically visible alterations in mechanical stretchability, viscosity, swelling behavior, and adhesiveness. The pore size of the matrix increased from 21.83 to 36.81 m2/g upon GSH treatment, affecting the viscosity and swellability of the system. The resistance increased from 21.96 ± 1.16 to 30.69 ± 2.01 and 32.21 ± 2.54 kΩ, respectively, confirming the dependence of conductivity changes on H2O2 and GSH treatments. The in vitro treatment with cancer cells (HeLa, PC-3, and B16F10) facilitated a tunable electrochemical sensing performance via redox-mediated MnO2 breakdown by intracellular ROS and GSH, whereas hydrogels treated with normal cells (CHO-K1) showed minimal changes. Cancer-microenvironment-derived water-drop sensing showed three times higher response as compared to the normal cell-treated hydrogel. The sensing capability of the fabricated sensor was validated based on bending-induced relative resistance changes under dry and wet conditions. Moreover, the integration of the developed sensor with a wireless sensor enabled real-time monitoring with a smartphone.
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Affiliation(s)
- Sunu Hangma Subba
- Department of IT and Energy Convergence (BK21 FOUR), Korea National University of Transportation, Chungju 27469, Republic of Korea
| | - Sung Young Park
- Department of IT and Energy Convergence (BK21 FOUR), Korea National University of Transportation, Chungju 27469, Republic of Korea
- Department of Chemical and Biological Engineering, Korea National University of Transportation, Chungju 27469, Republic of Korea
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14
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Wang J, Lu T, Li Y, Wang J, Spruijt E. Aqueous coordination polymer complexes: From colloidal assemblies to bulk materials. Adv Colloid Interface Sci 2023; 318:102964. [PMID: 37515864 DOI: 10.1016/j.cis.2023.102964] [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: 04/03/2023] [Revised: 06/19/2023] [Accepted: 07/14/2023] [Indexed: 07/31/2023]
Abstract
1-dimensional (1D) coordination polymers refer to the macromolecules that have metal ions incorporated in their pendent groups or main chain through metal-binding ligand groups. They have intrinsic advantages over traditional polymers to regulate the polymer structures and functions owing to the nature of the metal-ligand bond. Consequently, they have great potential for the development of smart and functional structures and materials and therapeutic agents. Water-soluble 1D coordination polymers and assemblies are an important subtype of coordination polymers with distinctive interests for demanding applications in aqueous systems, such as biological and medical applications. This review highlights the recent progress and research achievements in the design and use of water-soluble 1D coordination polymers and assemblies. The overview covers the design and structure control of 1D coordination polymers, their colloidal assemblies, including nanoparticles, nanofibers, micelles and vesicles, and fabricated bulk materials such as membraneless liquid condensates, security ink, hydrogel actuators, and smart fabrics. Finally, we discuss the potential applications of several of these coordination polymeric structures and materials and give an outlook on the field of aqueous coordination polymers.
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Affiliation(s)
- Jiahua Wang
- Department of Radiology, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai 200233, China; Radboud University, Institute for Molecules and Materials, Heyendaalseweg 135, 6525 AJ Nijmegen, the Netherlands
| | - Tiemei Lu
- Radboud University, Institute for Molecules and Materials, Heyendaalseweg 135, 6525 AJ Nijmegen, the Netherlands
| | - Yuehua Li
- Department of Radiology, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai 200233, China
| | - Junyou Wang
- State Key Laboratory of Chemical Engineering and Shanghai Key Laboratory of Multiphase Materials Chemical Engineering, East China University of Science and Technology, Shanghai 200237, China.
| | - Evan Spruijt
- Radboud University, Institute for Molecules and Materials, Heyendaalseweg 135, 6525 AJ Nijmegen, the Netherlands.
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15
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Fang W, Mu Z, He Y, Kong K, Jiang K, Tang R, Liu Z. Organic-inorganic covalent-ionic molecules for elastic ceramic plastic. Nature 2023:10.1038/s41586-023-06117-1. [PMID: 37286604 DOI: 10.1038/s41586-023-06117-1] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2022] [Accepted: 04/21/2023] [Indexed: 06/09/2023]
Abstract
Although organic-inorganic hybrid materials have played indispensable roles as mechanical1-4, optical5,6, electronic7,8 and biomedical materials9-11, isolated organic-inorganic hybrid molecules (at present limited to covalent compounds12,13) are seldom used to prepare hybrid materials, owing to the distinct behaviours of organic covalent bonds14 and inorganic ionic bonds15 in molecular construction. Here we integrate typical covalent and ionic bonds within one molecule to create an organic-inorganic hybrid molecule, which can be used for bottom-up syntheses of hybrid materials. A combination of the organic covalent thioctic acid (TA) and the inorganic ionic calcium carbonate oligomer (CCO) through an acid-base reaction provides a TA-CCO hybrid molecule with the representative molecular formula TA2Ca(CaCO3)2. Its dual reactivity involving copolymerization of the organic TA segment and inorganic CCO segment generates the respective covalent and ionic networks. The two networks are interconnected through TA-CCO complexes to form a covalent-ionic bicontinuous structure within the resulting hybrid material, poly(TA-CCO), which unifies paradoxical mechanical properties. The reversible binding of Ca2+-CO32- bonds in the ionic network and S-S bonds in the covalent network ensures material reprocessability with plastic-like mouldability while preserving thermal stability. The coexistence of ceramic-like, rubber-like and plastic-like behaviours within poly(TA-CCO) goes beyond current classifications of materials to generate an 'elastic ceramic plastic'. The bottom-up creation of organic-inorganic hybrid molecules provides a feasible pathway for the molecular engineering of hybrid materials, thereby supplementing the classical methodology used for the manufacture of organic-inorganic hybrid materials.
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Affiliation(s)
- Weifeng Fang
- Department of Chemistry, Zhejiang University, Hangzhou, China
| | - Zhao Mu
- Department of Chemistry, Zhejiang University, Hangzhou, China
- State Key Laboratory of Military Stomatology, The Fourth Military Medical University, Xi'an, China
| | - Yan He
- Department of Chemistry, Zhejiang University, Hangzhou, China
| | - Kangren Kong
- Department of Chemistry, Zhejiang University, Hangzhou, China
| | - Kai Jiang
- Engineering Research Center of Nanophotonics & Advanced Instrument (Ministry of Education), Department of Physics, East China Normal University, Shanghai, China
| | - Ruikang Tang
- Department of Chemistry, Zhejiang University, Hangzhou, China.
- State Key Laboratory of Silicon Materials, Zhejiang University, Hangzhou, China.
| | - Zhaoming Liu
- Department of Chemistry, Zhejiang University, Hangzhou, China.
- State Key Laboratory of Silicon Materials, Zhejiang University, Hangzhou, China.
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16
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Li W, Wu Y, Zhang X, Wu T, Huang K, Wang B, Liao J. Self-healing hydrogels for bone defect repair. RSC Adv 2023; 13:16773-16788. [PMID: 37283866 PMCID: PMC10240173 DOI: 10.1039/d3ra01700a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2023] [Accepted: 05/24/2023] [Indexed: 06/08/2023] Open
Abstract
Severe bone defects can be caused by various factors, such as tumor resection, severe trauma, and infection. However, bone regeneration capacity is limited up to a critical-size defect, and further intervention is required. Currently, the most common clinical method to repair bone defects is bone grafting, where autografts are the "gold standard." However, the disadvantages of autografts, including inflammation, secondary trauma and chronic disease, limit their application. Bone tissue engineering (BTE) is an attractive strategy for repairing bone defects and has been widely researched. In particular, hydrogels with a three-dimensional network can be used as scaffolds for BTE owing to their hydrophilicity, biocompatibility, and large porosity. Self-healing hydrogels respond rapidly, autonomously, and repeatedly to induced damage and can maintain their original properties (i.e., mechanical properties, fluidity, and biocompatibility) following self-healing. This review focuses on self-healing hydrogels and their applications in bone defect repair. Moreover, we discussed the recent progress in this research field. Despite the significant existing research achievements, there are still challenges that need to be addressed to promote clinical research of self-healing hydrogels in bone defect repair and increase the market penetration.
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Affiliation(s)
- Weiwei Li
- State Key Laboratory of Oral Diseases, National Clinical Research Centre for Oral Diseases, West China Hospital of Stomatology, Sichuan University Chengdu 610041 China
| | - Yanting Wu
- State Key Laboratory of Oral Diseases, National Clinical Research Centre for Oral Diseases, West China Hospital of Stomatology, Sichuan University Chengdu 610041 China
| | - Xu Zhang
- State Key Laboratory of Oral Diseases, National Clinical Research Centre for Oral Diseases, West China Hospital of Stomatology, Sichuan University Chengdu 610041 China
| | - Tingkui Wu
- Department of Orthopedics, Orthopedic Research Institute, West China Hospital, Sichuan University Chengdu 610041 China
| | - Kangkang Huang
- Department of Orthopedics, Orthopedic Research Institute, West China Hospital, Sichuan University Chengdu 610041 China
| | - Beiyu Wang
- Department of Orthopedics, Orthopedic Research Institute, West China Hospital, Sichuan University Chengdu 610041 China
| | - Jinfeng Liao
- State Key Laboratory of Oral Diseases, National Clinical Research Centre for Oral Diseases, West China Hospital of Stomatology, Sichuan University Chengdu 610041 China
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17
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Pang Y, Guan L, Zhu Y, Niu R, Zhu S, Lin Q. Gallic acid-grafted chitosan antibacterial hydrogel incorporated with polydopamine-modified hydroxyapatite for enhancing bone healing. Front Bioeng Biotechnol 2023; 11:1162202. [PMID: 37334266 PMCID: PMC10273101 DOI: 10.3389/fbioe.2023.1162202] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2023] [Accepted: 05/18/2023] [Indexed: 06/20/2023] Open
Abstract
An open critical-size bone defect is a major medical problem because of the difficulty in self-healing, leading to an increased risk of bacterial infection owing to wound exposure, resulting in treatment failure. Herein, a composite hydrogel was synthesized by chitosan, gallic acid, and hyaluronic acid, termed "CGH." Hydroxyapatite was modified with polydopamine (PDA@HAP) and introduced to CGH to obtain a mussel-inspired mineralized hydrogel (CGH/PDA@HAP). The CGH/PDA@HAP hydrogel exhibited excellent mechanical performances, including self-healing and injectable properties. Owing to its three-dimensional porous structure and polydopamine modifications, the cellular affinity of the hydrogel was enhanced. When adding PDA@HAP into CGH, Ca2+ and PO4 3- could release and then promoted differentiation of BMSCs into osteoblasts. Without any osteogenic agent or stem cells, the area of new bone at the site of defect was enhanced and the newly formed bone had a dense trabecular structure after implanting of the CGH/PDA@HAP hydrogel for 4 and 8 weeks. Moreover, the growth of Staphylococcus aureus and Escherichia coli was effectively inhibited through the grafting of gallic acid onto chitosan. Above, this study provides a reasonable alternative strategy to manage open bone defects.
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Affiliation(s)
- Yuxuan Pang
- Department of Prosthodontics, School and Hospital of Stomatology, Jilin University, Changchun, China
| | - Lin Guan
- State Key Laboratory of Supramolecular Structure and Materials, College of Chemistry, Jilin University, Changchun, China
| | - Yanlin Zhu
- Department of Oral Implantology, School and Hospital of Stomatology, Jilin University, Changchun, China
| | - Ruijuan Niu
- Meilong Community Health Service Center, Shanghai, China
| | - Song Zhu
- Department of Prosthodontics, School and Hospital of Stomatology, Jilin University, Changchun, China
| | - Quan Lin
- State Key Laboratory of Supramolecular Structure and Materials, College of Chemistry, Jilin University, Changchun, China
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18
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Yu J, Xie R, Zhang M, Shen K, Yang Y, Zhao X, Zhang X, Zhang Y, Cheng Y. Molecular architecture regulation for the design of instant and robust underwater adhesives. SCIENCE ADVANCES 2023; 9:eadg4031. [PMID: 37267351 PMCID: PMC10413663 DOI: 10.1126/sciadv.adg4031] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/22/2022] [Accepted: 04/28/2023] [Indexed: 06/04/2023]
Abstract
Development of underwater adhesives with instant and robust adhesion to diverse substrates remains challenging. A strategy taking the structural advantage of phenylalanine derivative, N-acryloyl phenylalanine (APA), is proposed to facilely prepare a series of underwater polymeric glue-type adhesives (UPGAs) through one-pot radical polymerization with commonly used hydrophilic vinyl monomers. The adjacent phenyl and carboxyl groups in APA realize the synergy between interfacial interactions and cohesion strength, by which the UPGAs could achieve instant (~5 seconds) and robust wet tissue adhesion strength (173 kilopascal). The polymers with varied hydrophobicity and substitutional groups as well as carboxyl and phenyl groups in separated components are designed to investigate the underwater adhesion mechanism. The universality of APA for the construction of UPGAs is also verified by the copolymerization with different hydrophilic monomers, and the applications of the UPGAs have been validated in diverse hemorrhage models and distinct substrates. Our work may give a promising solution to design potent underwater adhesives.
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Affiliation(s)
- Jing Yu
- Engineering Research Center of Energy Storage Materials and Devices, Ministry of Education, School of Chemistry, Xi’an Jiaotong University, Xi’an 710049, China
| | - Ruilin Xie
- Engineering Research Center of Energy Storage Materials and Devices, Ministry of Education, School of Chemistry, Xi’an Jiaotong University, Xi’an 710049, China
| | - Mengyuan Zhang
- Engineering Research Center of Energy Storage Materials and Devices, Ministry of Education, School of Chemistry, Xi’an Jiaotong University, Xi’an 710049, China
| | - Kaixiang Shen
- Engineering Research Center of Energy Storage Materials and Devices, Ministry of Education, School of Chemistry, Xi’an Jiaotong University, Xi’an 710049, China
| | - Yuxuan Yang
- Key Laboratory of Shaanxi Province for Craniofacial Precision Medicine Research, College of Stomatology, Xi’an Jiaotong University, Xi’an 710049, China
| | - Xiaodan Zhao
- Key Laboratory of Shaanxi Province for Craniofacial Precision Medicine Research, College of Stomatology, Xi’an Jiaotong University, Xi’an 710049, China
| | - Xin Zhang
- Department of Orthopaedics, The Second Affiliated Hospital of Xi’an Jiaotong University, Xi’an 710049, China
| | - Yanfeng Zhang
- Engineering Research Center of Energy Storage Materials and Devices, Ministry of Education, School of Chemistry, Xi’an Jiaotong University, Xi’an 710049, China
| | - Yilong Cheng
- Engineering Research Center of Energy Storage Materials and Devices, Ministry of Education, School of Chemistry, Xi’an Jiaotong University, Xi’an 710049, China
- Department of Nuclear Medicine, The First Affiliated Hospital of Xi’an Jiaotong University, Xi’an 710049, China
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19
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Wu W, Lu Z, Lu C, Sun X, Ni B, Cölfen H, Xiong R. Bioinspired Stabilization of Amorphous Calcium Carbonate by Carboxylated Nanocellulose Enables Mechanically Robust, Healable, and Sensing Biocomposites. ACS NANO 2023; 17:6664-6674. [PMID: 36946540 PMCID: PMC10100558 DOI: 10.1021/acsnano.2c12385] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/13/2022] [Accepted: 03/17/2023] [Indexed: 06/18/2023]
Abstract
Nature builds numerous structurally complex composites with fascinating mechanical robustness and functionalities by harnessing biopolymers and amorphous calcium carbonate (ACC). The key to successfully mimicking these natural designs is efficiently stabilizing ACC, but developing highly efficient, biodegradable, biocompatible, and sustainable stabilizing agents remains a grand challenge since anhydrous ACC is inherently unstable toward crystallization in the wet state. Inspired by the stabilized ACC in crustacean cuticles, we report the efficient stabilization ability of the most abundant biopolymer-cellulose nanofibrils (CNFs) for ACC. Through the cooperative stabilizing effect of surface carboxyl groups and a rigid segregated network, the CNFs exhibit long-term stability (more than one month) and achieved a stabilization efficiency of 3.6 and 4.4 times that of carboxymethyl cellulose (CMC) and alginate, respectively, even higher than poly(acrylic acid). The resulting CNF/ACC dispersions can be constructed into transparent composite films with the high strength of 286 MPa and toughness up to 28.5 MJ/m3, which surpass those of the so far reported synthetic biopolymer-calcium carbonate/phosphate composites. The dynamic interfacial interaction between nanocomponents also provides the composite films with good self-healing properties. Owing to their good wet stability, the composite films present high humidity sensitivity for monitoring respiration and finger contact.
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Affiliation(s)
- Wanlin Wu
- State Key
Laboratory of Polymer Materials Engineering, Polymer Research Institute of Sichuan University, Chengdu 610065, China
| | - Zhixing Lu
- Engineering
Research Center of Polymer Green Recycling of Ministry of Education,
College of Environmental and Resource Sciences, Fujian Normal University, Fuzhou 350007, China
| | - Canhui Lu
- State Key
Laboratory of Polymer Materials Engineering, Polymer Research Institute of Sichuan University, Chengdu 610065, China
| | - Xunwen Sun
- State Key
Laboratory of Polymer Materials Engineering, Polymer Research Institute of Sichuan University, Chengdu 610065, China
| | - Bing Ni
- Physical
Chemistry, Department of Chemistry, University
of Konstanz, Konstanz 78457, Germany
| | - Helmut Cölfen
- Physical
Chemistry, Department of Chemistry, University
of Konstanz, Konstanz 78457, Germany
| | - Rui Xiong
- State Key
Laboratory of Polymer Materials Engineering, Polymer Research Institute of Sichuan University, Chengdu 610065, China
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20
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Zhao B, Bai Z, Lv H, Yan Z, Du Y, Guo X, Zhang J, Wu L, Deng J, Zhang DW, Che R. Self-Healing Liquid Metal Magnetic Hydrogels for Smart Feedback Sensors and High-Performance Electromagnetic Shielding. NANO-MICRO LETTERS 2023; 15:79. [PMID: 37002442 PMCID: PMC10066054 DOI: 10.1007/s40820-023-01043-3] [Citation(s) in RCA: 15] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/16/2022] [Accepted: 02/22/2023] [Indexed: 06/19/2023]
Abstract
Hydrogels exhibit potential applications in smart wearable devices because of their exceptional sensitivity to various external stimuli. However, their applications are limited by challenges in terms of issues in biocompatibility, custom shape, and self-healing. Herein, a conductive, stretchable, adaptable, self-healing, and biocompatible liquid metal GaInSn/Ni-based composite hydrogel is developed by incorporating a magnetic liquid metal into the hydrogel framework through crosslinking polyvinyl alcohol (PVA) with sodium tetraborate. The excellent stretchability and fast self-healing capability of the PVA/liquid metal hydrogel are derived from its abundant hydrogen binding sites and liquid metal fusion. Significantly, owing to the magnetic constituent, the PVA/liquid metal hydrogel can be guided remotely using an external magnetic field to a specific position to repair the broken wires with no need for manual operation. The composite hydrogel also exhibits sensitive deformation responses and can be used as a strain sensor to monitor various body motions. Additionally, the multifunctional hydrogel displays absorption-dominated electromagnetic interference (EMI) shielding properties. The total shielding performance of the composite hydrogel increases to ~ 62.5 dB from ~ 31.8 dB of the pure PVA hydrogel at the thickness of 3.0 mm. The proposed bioinspired multifunctional magnetic hydrogel demonstrates substantial application potential in the field of intelligent wearable devices.
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Affiliation(s)
- Biao Zhao
- School of Microelectronics, Fudan University, Shanghai, 2000433, People's Republic of China
- Laboratory of Advanced Materials, Shanghai Key Lab of Molecular Catalysis and Innovative Materials, Academy for Engineering & Technology, Fudan University, Shanghai, 200438, People's Republic of China
- Henan Key Laboratory of Aeronautical Materials and Application Technology,, School of Material Science and Engineering, Zhengzhou University of Aeronautics, Zhengzhou, 450046, Henan, People's Republic of China
| | - Zhongyi Bai
- Key Laboratory of Separation and Processing of Symbiotic-Associated Mineral Resources in Non-Ferrous Metal Industry, School of Chemical & Environmental Engineering, China University of Mining & Technology (Beijing), Beijing, 100083, People's Republic of China
| | - Hualiang Lv
- Institute of Optoelectronics, Fudan University, Shanghai, 200433, People's Republic of China
| | - Zhikai Yan
- Henan Key Laboratory of Aeronautical Materials and Application Technology,, School of Material Science and Engineering, Zhengzhou University of Aeronautics, Zhengzhou, 450046, Henan, People's Republic of China
| | - Yiqian Du
- Laboratory of Advanced Materials, Shanghai Key Lab of Molecular Catalysis and Innovative Materials, Academy for Engineering & Technology, Fudan University, Shanghai, 200438, People's Republic of China
| | - Xiaoqin Guo
- Henan Key Laboratory of Aeronautical Materials and Application Technology,, School of Material Science and Engineering, Zhengzhou University of Aeronautics, Zhengzhou, 450046, Henan, People's Republic of China
| | - Jincang Zhang
- Zhejiang Laboratory, Hangzhou, 311100, People's Republic of China
| | - Limin Wu
- Inner Mongolia University, Hohhot, 010021, People's Republic of China
| | - Jiushuai Deng
- Key Laboratory of Separation and Processing of Symbiotic-Associated Mineral Resources in Non-Ferrous Metal Industry, School of Chemical & Environmental Engineering, China University of Mining & Technology (Beijing), Beijing, 100083, People's Republic of China
| | - David Wei Zhang
- School of Microelectronics, Fudan University, Shanghai, 2000433, People's Republic of China
| | - Renchao Che
- School of Microelectronics, Fudan University, Shanghai, 2000433, People's Republic of China.
- Laboratory of Advanced Materials, Shanghai Key Lab of Molecular Catalysis and Innovative Materials, Academy for Engineering & Technology, Fudan University, Shanghai, 200438, People's Republic of China.
- Zhejiang Laboratory, Hangzhou, 311100, People's Republic of China.
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21
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Sustainable application of calcium carbide residue as a filler for 3D printing materials. Sci Rep 2023; 13:4465. [PMID: 36932172 PMCID: PMC10023683 DOI: 10.1038/s41598-023-31075-z] [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: 12/30/2022] [Accepted: 03/06/2023] [Indexed: 03/19/2023] Open
Abstract
Industrial activity results in ton-scale production of calcium carbide and generation of a significant amount of calcium carbide residue (CCR), which is often disposed of in the environment as waste. CCR is an active chemical, and rain washes away alkali from sludge, changing the pH of soils and water and damaging the environment. In this work, we explored new opportunities for the utilization of CCR in view of the coming industrial uptake of digital design and additive technologies. Amazingly, CCR can be successfully used as a filler for the modification of 3D printed materials towards the introduction of hybrid organic/inorganic frameworks. A series of commercially available plastics (PLA, ABS, Nylon, PETG, SBS) were successfully used as matrices for CCR-based composite production with high CCR contents up to 28%. Tensile analyses showed increases in tensile strength and Young's modulus of 9% and 60%, respectively. Moreover, in comparison with the pure plastics, the CCR-based materials better maintained the digitally designed shape (lower shrinkage). Importantly, CCR-filled materials are 3D printable, making them very promising components in the building sector. Considering the amount of already available CCR stored in the environment, this material is available in large quantities in the near future for hybrid materials, and anticipated opportunities exist in the additive manufacturing sector. The involvement of CCR in practical composite materials is equally important for environmental protection and reuse of already available multiple-ton wastes.
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22
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Review of Artificial Nacre for Oil–Water Separation. SEPARATIONS 2023. [DOI: 10.3390/separations10030205] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/17/2023] Open
Abstract
Due to their extraordinary prospective uses, particularly in the areas of oil–water separation, underwater superoleophobic materials have gained increasing attention. Thus, artificial nacre has become an attractive candidate for oil–water separation due to its superhydrophilicity and underwater superoleophobicity properties. Synthesized artificial nacre has successfully achieved a high mechanical strength that is close to or even surpasses the mechanical strength of natural nacre. This can be attributed to suitable synthesis methods, the selection of inorganic fillers and polymer matrices, and the enhancement of the mechanical properties through cross-linking, covalent group modification, or mineralization. The utilization of nacre-inspired composite membranes for emerging applications, i.e., is oily wastewater treatment, is highlighted in this review. The membranes show that full separation of oil and water can be achieved, which enables their applications in seawater environments. The self-cleaning mechanism’s basic functioning and antifouling tips are also concluded in this review.
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23
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Biomineralization-inspired mineralized hydrogel promotes the repair and regeneration of dentin/bone hard tissue. NPJ Regen Med 2023; 8:11. [PMID: 36841873 PMCID: PMC9968336 DOI: 10.1038/s41536-023-00286-3] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2022] [Accepted: 02/13/2023] [Indexed: 02/27/2023] Open
Abstract
Maxillofacial hard tissue defects caused by trauma or infection often affect craniofacial function. Taking the natural hard tissue structure as a template, constructing an engineered tissue repair module is an important scheme to realize the functional regeneration and repair of maxillofacial hard tissue. Here, inspired by the biomineralization process, we constructed a composite mineral matrix hydrogel PAA-CMC-TDM containing amorphous calcium phosphates (ACPs), polyacrylic acid (PAA), carboxymethyl chitosan (CMC) and dentin matrix (TDM). The dynamic network composed of Ca2+·COO- coordination and ACPs made the hydrogel loaded with TDM, and exhibited self-repairing ability and injectability. The mechanical properties of PAA-CMC-TDM can be regulated, but the functional activity of TDM remains unaffected. Cytological studies and animal models of hard tissue defects show that the hydrogel can promote the odontogenesis or osteogenic differentiation of mesenchymal stem cells, adapt to irregular hard tissue defects, and promote in situ regeneration of defective tooth and bone tissues. In summary, this paper shows that the injectable TDM hydrogel based on biomimetic mineralization theory can induce hard tissue formation and promote dentin/bone regeneration.
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24
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Zhai H, Fan Y, Zhang W, Varsano N, Gal A. Polymer-Rich Dense Phase Can Concentrate Metastable Silica Precursors and Regulate Their Mineralization. ACS Biomater Sci Eng 2023; 9:601-607. [PMID: 36722128 PMCID: PMC9930081 DOI: 10.1021/acsbiomaterials.2c01249] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
Multistep mineralization processes are pivotal in the fabrication of functional materials and are often characterized by far from equilibrium conditions and high supersaturation. Interestingly, such 'nonclassical' mineralization pathways are widespread in biological systems, even though concentrating molecules well beyond their saturation level is incompatible with cellular homeostasis. Here, we show how polymer phase separation can facilitate bioinspired silica formation by passively concentrating the inorganic building blocks within the polymer dense phase. The high affinity of the dense phase to mobile silica precursors generates a diffusive flux against the concentration gradient, similar to dynamic equilibrium, and the resulting high supersaturation leads to precipitation of insoluble silica. Manipulating the chemistry of the dense phase allows to control the delicate interplay between polymer chemistry and silica precipitation. These results connect two phase transition phenomena, mineralization and coacervation, and offer a framework to achieve better control of mineral formation.
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Affiliation(s)
- Hang Zhai
- Department
of Plant and Environmental Sciences, Weizmann
Institute of Science, Rehovot 7610001, Israel
| | - Yuke Fan
- College
of Resources and Environment, Huazhong Agricultural
University, Wuhan 430070, China
| | - Wenjun Zhang
- College
of Resources and Environment, Huazhong Agricultural
University, Wuhan 430070, China
| | - Neta Varsano
- Department
of Chemical Research Support, Weizmann Institute
of Science, Rehovot 7610001, Israel
| | - Assaf Gal
- Department
of Plant and Environmental Sciences, Weizmann
Institute of Science, Rehovot 7610001, Israel,
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25
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Gindele MB, Malaszuk KK, Peter C, Gebauer D. On the Binding Mechanisms of Calcium Ions to Polycarboxylates: Effects of Molecular Weight, Side Chain, and Backbone Chemistry. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2022; 38:14409-14421. [PMID: 36367750 DOI: 10.1021/acs.langmuir.2c01662] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
We experimentally determined the characteristics and Langmuir parameters of the binding of calcium ions to different polycarboxylates. By using potentiometric titrations and isothermal titration calorimetry, the effects of side chain chemistry, pH value, and chain length were systematically investigated using the linear polymers poly(aspartic acid), poly(glutamic acid), and poly(acrylic acid). We demonstrate that for polymers with high polymerization degrees, the binding process is governed by higher-order effects, such as the change of apparent pKa of carboxyl groups, and contributions arising from the whole polymer chain while the chemistry of the monomer unit constituting the polymer plays a subordinate role. In addition, primary binding sites need to be present in the polymer, thus rendering the abundance and sequential arrangement of protonated and deprotonated groups important. The detection of higher-order effects contradicts the assumptions posed by the Langmuir model of noninteracting binding sites and puts a question mark on whether ion binding to polycarboxylates can be described using solely a Langmuir binding model. No single uniform mechanism fits all investigated systems, and the whole polymer chain, including terminal groups, needs to be considered for the interpretation of binding data. Therefore, one needs to be careful when explaining ion binding to polymers solely based on studies on monomers or oligomers.
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Affiliation(s)
- Maxim B Gindele
- Leibniz University Hannover, Institute of Inorganic Chemistry, Callinstr. 9, 30167Hannover, Germany
| | - Krzysztof K Malaszuk
- Leibniz University Hannover, Institute of Inorganic Chemistry, Callinstr. 9, 30167Hannover, Germany
| | - Christine Peter
- Theoretical Chemistry, University of Konstanz, Universitätsstr. 10, 78457Konstanz, Germany
| | - Denis Gebauer
- Leibniz University Hannover, Institute of Inorganic Chemistry, Callinstr. 9, 30167Hannover, Germany
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26
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Li B, Zhang Y, Wang J, Yan B, Liang J, Dong Y, Zhou Q. Fast and Reversibly Humidity-Responsive Fluorescence Based on AIEgen Proton Transfer. ACS APPLIED MATERIALS & INTERFACES 2022; 14:49119-49127. [PMID: 36256864 DOI: 10.1021/acsami.2c13652] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
The construction of humidity-responsive fluorescent materials with reversibility, specificity, and sensitivity is of great importance for the development of information encryption, fluorescence patterning, and sensors. Nevertheless, to date, the application of these materials has been limited by their slow response rate and nonspecificity. Herein, a humidity-responsive fluorescence system was designed and assembled to achieve a rapid, reversible, and specific moisture response. The system comprised tetra-(4-pyridylphenyl)ethylene (TPE-4Py) as a fluorescent proton acceptor with an aggregation-induced emission (AIE) effect and poly(acrylic acid) (PAA) as a proton donor with an efficient moisture-capturing ability. The fluorescence color and intensity rapidly changed with increasing relative humidity (RH) because of TPE-4Py protonation, and TPE-4Py deprotonation resulted in recovery of the original fluorescence color in low-humidity environments. The proton transfer between the pyridyl group in TPE-4Py and the carboxyl group in PAA was reversible and chemically stable, and the humidity-responsive fluorescence system showed a high response/recovery speed, an obvious color change, good reversibility, and an outstanding specific moisture response. Because of these advantages, diverse applications of this humidity-responsive fluorescence system in transient fluorescent patterning and the encryption of information were also developed and demonstrated.
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Affiliation(s)
- Botian Li
- College of New Energy and Materials, China University of Petroleum, Beijing 102249, China
| | - Yichi Zhang
- College of New Energy and Materials, China University of Petroleum, Beijing 102249, China
| | - Jian Wang
- College of New Energy and Materials, China University of Petroleum, Beijing 102249, China
| | - Bo Yan
- College of New Energy and Materials, China University of Petroleum, Beijing 102249, China
| | - Jundang Liang
- College of New Energy and Materials, China University of Petroleum, Beijing 102249, China
| | - Yuping Dong
- Beijing Key Laboratory of Construction Tailorable Advanced Functional Materials and Green Applications, School of Materials Science and Engineering, Beijing Institute of Technology, Beijing 100081, China
| | - Qiong Zhou
- College of New Energy and Materials, China University of Petroleum, Beijing 102249, China
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27
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Tan C, Dima C, Huang M, Assadpour E, Wang J, Sun B, Kharazmi MS, Jafari SM. Advanced CaCO3-derived delivery systems for bioactive compounds. Adv Colloid Interface Sci 2022; 309:102791. [DOI: 10.1016/j.cis.2022.102791] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2022] [Revised: 09/26/2022] [Accepted: 09/26/2022] [Indexed: 11/16/2022]
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28
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Dalei G, Das S. Polyacrylic acid-based drug delivery systems: A comprehensive review on the state-of-art. J Drug Deliv Sci Technol 2022. [DOI: 10.1016/j.jddst.2022.103988] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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29
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Yu J, Qi D, Mäkilä E, Lassila L, Papageorgiou AC, Peurla M, Rosenholm JM, Zhao Z, Vallittu P, Jalkanen S, Jia C, Li J. Small-Molecule-based Supramolecular Plastics Mediated by Liquid-Liquid Phase Separation. Angew Chem Int Ed Engl 2022; 61:e202204611. [PMID: 35929612 PMCID: PMC9804437 DOI: 10.1002/anie.202204611] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2022] [Indexed: 01/05/2023]
Abstract
Plastics are one of the most widely used polymeric materials. However, they are often undegradable and non-recyclable due to the very stable covalent bonds of macromolecules, causing environmental pollution and health problems. Here, we report that liquid-liquid phase separation (LLPS) could drive the formation of robust, stable, and sustainable plastics using small molecules. The LLPS process could sequester and concentrate solutes, strengthen the non-covalent association between molecules and produce a bulk material whose property was highly related to the encapsulated water amounts. It was a robust plastic with a remarkable Young's modulus of 139.5 MPa when the water content was low while became adhesive and could instantly self-heal with more absorbed water. Finally, responsiveness enabled the material to be highly recyclable. This work allowed us to understand the LLPS at the molecular level and demonstrated that LLPS is a promising approach to exploring eco-friendly supramolecular plastics that are potential substitutes for conventional polymers.
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Affiliation(s)
- Jingjing Yu
- MediCity Research LaboratoryUniversity of TurkuTykistökatu 620520TurkuFinland
| | - Dawei Qi
- MediCity Research LaboratoryUniversity of TurkuTykistökatu 620520TurkuFinland
| | - Ermei Mäkilä
- Laboratory of Industrial PhysicsDepartment of Physics and AstronomyInstitute of DentistryUniversity of Turku20014TurkuFinland
| | - Lippo Lassila
- Department of Biomaterials Science and Turku Clinical Biomaterials Centre, TCBCUniversity of Turku20014TurkuFinland
| | - Anastassios C. Papageorgiou
- Turku Bioscience CentreUniversity of Turku20521TurkuFinland,Turku Bioscience CentreÅbo Akademi University20521TurkuFinland
| | - Markus Peurla
- Institute of Biomedicine and FICAN West Cancer Research LaboratoriesUniversity of Turku20014TurkuFinland
| | - Jessica M. Rosenholm
- Pharmaceutical Sciences LaboratoryFaculty of Science and EngineeringÅbo Akademi UniversityTykistökatu 620520TurkuFinland
| | - Zhao Zhao
- MediCity Research LaboratoryUniversity of TurkuTykistökatu 620520TurkuFinland
| | - Pekka Vallittu
- Department of Biomaterials Science and Turku Clinical Biomaterials Centre, TCBCUniversity of Turku20014TurkuFinland,City of Turku Welfare DivisionPuolalankatu 520101TurkuFinland
| | - Sirpa Jalkanen
- MediCity Research LaboratoryUniversity of TurkuTykistökatu 620520TurkuFinland
| | - Chunman Jia
- Hainan Provincial Key Laboratory of Fine ChemSchool of Chemical Engineering and TechnologyHainan University570228HaikouChina,One Health InstituteHainan University570228HaikouChina
| | - Jianwei Li
- MediCity Research LaboratoryUniversity of TurkuTykistökatu 620520TurkuFinland,Hainan Provincial Key Laboratory of Fine ChemSchool of Chemical Engineering and TechnologyHainan University570228HaikouChina,One Health InstituteHainan University570228HaikouChina
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30
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Mao LB, Meng YF, Meng XS, Yang B, Yang YL, Lu YJ, Yang ZY, Shang LM, Yu SH. Matrix-Directed Mineralization for Bulk Structural Materials. J Am Chem Soc 2022; 144:18175-18194. [PMID: 36162119 DOI: 10.1021/jacs.2c07296] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Mineral-based bulk structural materials (MBSMs) are known for their long history and extensive range of usage. The inherent brittleness of minerals poses a major problem to the performance of MBSMs. To overcome this problem, design principles have been extracted from natural biominerals, in which the extraordinary mechanical performance is achieved via the hierarchical organization of minerals and organics. Nevertheless, precise and efficient fabrication of MBSMs with bioinspired hierarchical structures under mild conditions has long been a big challenge. This Perspective provides a panoramic view of an emerging fabrication strategy, matrix-directed mineralization, which imitates the in vivo growth of some biominerals. The advantages of the strategy are revealed by comparatively analyzing the conventional fabrication techniques of artificial hierarchically structured MBSMs and the biomineral growth processes. By introducing recent advances, we demonstrate that this strategy can be used to fabricate artificial MBSMs with hierarchical structures. Particular attention is paid to the mass transport and the precursors that are involved in the mineralization process. We hope this Perspective can provide some inspiring viewpoints on the importance of biomimetic mineralization in material fabrication and thereby spur the biomimetic fabrication of high-performance MBSMs.
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Affiliation(s)
- Li-Bo Mao
- Division of Nanomaterials & Chemistry, Hefei National Research Center for Physical Sciences at the Microscale; Department of Chemistry, Institute of Biomimetic Materials & Chemistry, University of Science and Technology of China, Hefei 230026, China.,Institute of Advanced Technology, University of Science and Technology of China, Hefei 230026, China.,Anhui Engineering Laboratory of Biomimetic Materials, University of Science and Technology of China, Hefei 230026, China
| | - Yu-Feng Meng
- Division of Nanomaterials & Chemistry, Hefei National Research Center for Physical Sciences at the Microscale; Department of Chemistry, Institute of Biomimetic Materials & Chemistry, University of Science and Technology of China, Hefei 230026, China
| | - Xiang-Sen Meng
- Division of Nanomaterials & Chemistry, Hefei National Research Center for Physical Sciences at the Microscale; Department of Chemistry, Institute of Biomimetic Materials & Chemistry, University of Science and Technology of China, Hefei 230026, China
| | - Bo Yang
- Division of Nanomaterials & Chemistry, Hefei National Research Center for Physical Sciences at the Microscale; Department of Chemistry, Institute of Biomimetic Materials & Chemistry, University of Science and Technology of China, Hefei 230026, China
| | - Yu-Lu Yang
- Division of Nanomaterials & Chemistry, Hefei National Research Center for Physical Sciences at the Microscale; Department of Chemistry, Institute of Biomimetic Materials & Chemistry, University of Science and Technology of China, Hefei 230026, China
| | - Yu-Jie Lu
- Institute of Advanced Technology, University of Science and Technology of China, Hefei 230026, China
| | - Zhong-Yuan Yang
- Division of Nanomaterials & Chemistry, Hefei National Research Center for Physical Sciences at the Microscale; Department of Chemistry, Institute of Biomimetic Materials & Chemistry, University of Science and Technology of China, Hefei 230026, China
| | - Li-Mei Shang
- Division of Nanomaterials & Chemistry, Hefei National Research Center for Physical Sciences at the Microscale; Department of Chemistry, Institute of Biomimetic Materials & Chemistry, University of Science and Technology of China, Hefei 230026, China
| | - Shu-Hong Yu
- Division of Nanomaterials & Chemistry, Hefei National Research Center for Physical Sciences at the Microscale; Department of Chemistry, Institute of Biomimetic Materials & Chemistry, University of Science and Technology of China, Hefei 230026, China.,Institute of Advanced Technology, University of Science and Technology of China, Hefei 230026, China.,Anhui Engineering Laboratory of Biomimetic Materials, University of Science and Technology of China, Hefei 230026, China
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31
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Wu J, Wu B, Xiong J, Sun S, Wu P. Entropy‐Mediated Polymer–Cluster Interactions Enable Dramatic Thermal Stiffening Hydrogels for Mechanoadaptive Smart Fabrics. Angew Chem Int Ed Engl 2022; 61:e202204960. [DOI: 10.1002/anie.202204960] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2022] [Indexed: 11/12/2022]
Affiliation(s)
- Jia Wu
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials College of Chemistry Chemical Engineering and Biotechnology & Center for Advanced Low-dimension Materials Donghua University Shanghai 201620 China
| | - Baohu Wu
- Jülich Centre for Neutron Science (JCNS) at Heinz Maier-Leibnitz Zentrum (MLZ) Forschungszentrum Jülich Lichtenbergstr. 1 85748 Garching Germany
| | - Jiaqing Xiong
- Innovation Center for Textile Science and Technology Donghua University Shanghai 201620 China
| | - Shengtong Sun
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials College of Chemistry Chemical Engineering and Biotechnology & Center for Advanced Low-dimension Materials Donghua University Shanghai 201620 China
| | - Peiyi Wu
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials College of Chemistry Chemical Engineering and Biotechnology & Center for Advanced Low-dimension Materials Donghua University Shanghai 201620 China
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32
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Niu YQ, Liu JH, Aymonier C, Fermani S, Kralj D, Falini G, Zhou CH. Calcium carbonate: controlled synthesis, surface functionalization, and nanostructured materials. Chem Soc Rev 2022; 51:7883-7943. [PMID: 35993776 DOI: 10.1039/d1cs00519g] [Citation(s) in RCA: 39] [Impact Index Per Article: 19.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
Calcium carbonate (CaCO3) is an important inorganic mineral in biological and geological systems. Traditionally, it is widely used in plastics, papermaking, ink, building materials, textiles, cosmetics, and food. Over the last decade, there has been rapid development in the controlled synthesis and surface modification of CaCO3, the stabilization of amorphous CaCO3 (ACC), and CaCO3-based nanostructured materials. In this review, the controlled synthesis of CaCO3 is first examined, including Ca2+-CO32- systems, solid-liquid-gas carbonation, water-in-oil reverse emulsions, and biomineralization. Advancing insights into the nucleation and crystallization of CaCO3 have led to the development of efficient routes towards the controlled synthesis of CaCO3 with specific sizes, morphologies, and polymorphs. Recently-developed surface modification methods of CaCO3 include organic and inorganic modifications, as well as intensified surface reactions. The resultant CaCO3 can then be further engineered via template-induced biomineralization and layer-by-layer assembly into porous, hollow, or core-shell organic-inorganic nanocomposites. The introduction of CaCO3 into nanostructured materials has led to a significant improvement in the mechanical, optical, magnetic, and catalytic properties of such materials, with the resultant CaCO3-based nanostructured materials showing great potential for use in biomaterials and biomedicine, environmental remediation, and energy production and storage. The influences that the preparation conditions and additives have on ACC preparation and stabilization are also discussed. Studies indicate that ACC can be used to construct environmentally-friendly hybrid films, supramolecular hydrogels, and drug vehicles. Finally, the existing challenges and future directions of the controlled synthesis and functionalization of CaCO3 and its expanding applications are highlighted.
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Affiliation(s)
- Yu-Qin Niu
- Research Group for Advanced Materials & Sustainable Catalysis (AMSC), State Key Laboratory Breeding Base of Green Chemistry-Synthesis Technology, College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310032, China. .,Qing Yang Institute for Industrial Minerals, You Hua, Qing Yang, Chi Zhou 242804, China
| | - Jia-Hui Liu
- Research Group for Advanced Materials & Sustainable Catalysis (AMSC), State Key Laboratory Breeding Base of Green Chemistry-Synthesis Technology, College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310032, China. .,Qing Yang Institute for Industrial Minerals, You Hua, Qing Yang, Chi Zhou 242804, China
| | - Cyril Aymonier
- Univ Bordeaux, ICMCB, Bordeaux INP, UMR 5026, CNRS, F-33600 Pessac, France
| | - Simona Fermani
- Department of Chemistry "Giacomo Ciamician", University of Bologna, Via Selmi 2, I-40126 Bologna, Italy. .,Interdepartmental Centre for Industrial Research Health Sciences & Technologies, University of Bologna, 40064 Bologna, Italy
| | - Damir Kralj
- Laboratory for Precipitation Processes, Ruđer Bošković Institute, P. O. Box 1016, HR-10001 Zagreb, Croatia
| | - Giuseppe Falini
- Department of Chemistry "Giacomo Ciamician", University of Bologna, Via Selmi 2, I-40126 Bologna, Italy.
| | - Chun-Hui Zhou
- Research Group for Advanced Materials & Sustainable Catalysis (AMSC), State Key Laboratory Breeding Base of Green Chemistry-Synthesis Technology, College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310032, China. .,Qing Yang Institute for Industrial Minerals, You Hua, Qing Yang, Chi Zhou 242804, China
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33
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Yu J, Qi D, Mäkilä E, Lassila L, Papageorgiou A, Peurla M, Rosenholm J, Zhao Z, Vallittu P, Jalkanen S, Jia C, Li J. Small Molecule‐based Supramolecular Plastics Mediated by Liquid‐Liquid Phase Separation. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202204611] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- Jingjing Yu
- University of Turku: Turun Yliopisto MediCity FINLAND
| | - Dawei Qi
- University of Turku Faculty of Medicine: Turun yliopisto Laaketieteellinen tiedekunta MediCity Research Laboratory FINLAND
| | - Ermei Mäkilä
- University of Turku Faculty of Mathematics and Natural Sciences: Turun yliopiston luonnontieteiden ja tekniikan tiedekunta Department of Physics and Astronomy FINLAND
| | - Lippo Lassila
- University of Turku: Turun Yliopisto Department of Biomaterials Science and Turku Clinical Biomaterials Centre FINLAND
| | | | - Markus Peurla
- University of Turku: Turun Yliopisto Institute of Biomedicine and FICAN West Cancer Research Laboratories FINLAND
| | - Jessica Rosenholm
- Abo Akademi University: Abo Akademi Pharmaceutical Sciences Laboratory, Faculty of Science and Engineering FINLAND
| | - Zhao Zhao
- University of Turku: Turun Yliopisto MediCity Research Laboratory FINLAND
| | - Pekka Vallittu
- University of Turku: Turun Yliopisto Department of Biomaterials Science and Turku Clinical Biomaterials Centre FINLAND
| | - Sirpa Jalkanen
- University of Turku: Turun Yliopisto MediCity Research Laboratory FINLAND
| | - Chunman Jia
- Hainan University School of Chemical Engineering and Technology FINLAND
| | - Jianwei Li
- Turun Yliopisto MediCity Research Laboratory Tykistökatu 6 A 20520 Turku FINLAND
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34
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Duan Y, Zhao Y, Ai S, Qiu D, Wang X, Qu X, Yang Z. Programmable Processing toward Stiff Composite Hydrogels. Macromolecules 2022. [DOI: 10.1021/acs.macromol.2c00852] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Yexiao Duan
- Center of Materials Science and Optoelectronics Engineering, College of Materials Science and Opto-Electronic Technology, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Yanran Zhao
- Center of Materials Science and Optoelectronics Engineering, College of Materials Science and Opto-Electronic Technology, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Shili Ai
- Center of Materials Science and Optoelectronics Engineering, College of Materials Science and Opto-Electronic Technology, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Dong Qiu
- Beijing National Laboratory for Molecular Sciences, CAS Research/Education Center for Excellence in Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
| | - Xiaoyan Wang
- Department of Cariology and Endodontology, Peking University School and Hospital of Stomatology, Beijing 100081, China
| | - Xiaozhong Qu
- Center of Materials Science and Optoelectronics Engineering, College of Materials Science and Opto-Electronic Technology, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Zhenzhong Yang
- Department of Chemical Engineering, Tsinghua University, Beijing 100084, China
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35
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Du H, Yuan T, Zhao R, Hirsch M, Kessler M, Amstad E. Reinforcing hydrogels with in situ formed amorphous CaCO 3. Biomater Sci 2022; 10:4949-4958. [PMID: 35861615 DOI: 10.1039/d2bm00322h] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Hydrogels are often employed for tissue engineering and moistening applications. However, they are rarely used for load-bearing purposes because of their limited stiffness and the stiffness-toughness compromise inherent to them. By contrast, nature uses hydrogel-based materials as scaffolds for load-bearing and protecting materials by mineralizing them. Inspired by nature, the stiffness or toughness of synthetic hydrogels has been increased by forming minerals, such as CaCO3, within them. However, the degree of hydrogel reinforcement achieved with CaCO3 remains limited. To address this limitation, we form CaCO3 biominerals in situ within a model hydrogel, poly(acrylamide) (PAM), and systematically investigate the influence of the size, structure, and morphology of the reinforcing CaCO3 on the mechanical properties of the resulting hydrogels. We demonstrate that especially the structure of CaCO3 and its affinity to the hydrogel matrix strongly influence the mechanical properties of mineralized hydrogels. For example, while the fracture energy of PAM hydrogels is increased 3-fold if reinforced with individual micro-sized CaCO3 crystals, it increases by a factor of 13 if reinforced with a percolating amorphous calcium carbonate (ACC) nano-structure that forms in the presence of a sufficient quantity of Mg2+. If PAM is further functionalized with acrylic acid (AA) that possesses a high affinity towards ACC, the stiffness of the hydrogel increases by a factor 50. These fundamental insights on the structure-mechanical property relationship of hydrogels that have been functionalized with in situ formed minerals has the potential to enable tuning the mechanical properties of mineralized hydrogels over a much wider range than what is currently possible.
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Affiliation(s)
- Huachuan Du
- Soft Materials Laboratory, Institute of Materials, École Polytechnique Fédérale de Lausanne (EPFL), 1015 Lausanne, Switzerland.
| | - Tianyu Yuan
- Soft Materials Laboratory, Institute of Materials, École Polytechnique Fédérale de Lausanne (EPFL), 1015 Lausanne, Switzerland.
| | - Ran Zhao
- Soft Materials Laboratory, Institute of Materials, École Polytechnique Fédérale de Lausanne (EPFL), 1015 Lausanne, Switzerland.
| | - Matteo Hirsch
- Soft Materials Laboratory, Institute of Materials, École Polytechnique Fédérale de Lausanne (EPFL), 1015 Lausanne, Switzerland.
| | - Michael Kessler
- Soft Materials Laboratory, Institute of Materials, École Polytechnique Fédérale de Lausanne (EPFL), 1015 Lausanne, Switzerland.
| | - Esther Amstad
- Soft Materials Laboratory, Institute of Materials, École Polytechnique Fédérale de Lausanne (EPFL), 1015 Lausanne, Switzerland.
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Wu J, Wu B, Xiong J, Sun S, Wu P. Entropy‐Mediated Polymer‐Cluster Interactions Enable Dramatic Thermal Stiffening Hydrogels for Mechanoadaptive Smart Fabrics. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202204960] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Jia Wu
- Donghua University Chemistry CHINA
| | - Baohu Wu
- Forschungszentrum Julich ICG: Forschungszentrum Julich GmbH JCNS GERMANY
| | - Jiaqing Xiong
- Donghua University Innovation Center for Textile Science and Technology CHINA
| | | | - Peiyi Wu
- Fudan University Department of Macromolecular Science Handan Road 220 200433 Shanghai CHINA
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37
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Mikami T, Matsumura S, Ichikawa R, Kato R, Uchida J, Nishimura T, Kato T. Bioinspired macromolecular templates for crystallographic orientation control of ZnO thin films through zinc hydroxide carbonate. Polym J 2022. [DOI: 10.1038/s41428-022-00661-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
AbstractThe biomineralization-inspired preparation of inorganic hybrid materials has attracted attention. Here, we report a new approach to the orientation control of zinc oxide (ZnO) thin-film crystals through the preparation of zinc hydroxide carbonate (ZHC) by the macromolecular templates of poly(2-hydroxyethyl methacrylate) (PHEMA) and poly(vinyl alcohol) (PVA). Using 100-nm-thick PHEMA templates, ZHC thin films with the c-axis oriented parallel to the substrate were obtained, while ZHC thin films prepared by 100-nm-thick PVA templates showed perpendicular orientation. After the thermal treatment of ZHC, the crystal orientations of the ZnO thin films were maintained. The effects of the thickness and annealing time for the polymer templates on the morphologies of the ZnO thin films were examined.
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Quan L, Xin Y, Wu X, Ao Q. Mechanism of Self-Healing Hydrogels and Application in Tissue Engineering. Polymers (Basel) 2022; 14:polym14112184. [PMID: 35683857 PMCID: PMC9183126 DOI: 10.3390/polym14112184] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2022] [Revised: 05/21/2022] [Accepted: 05/24/2022] [Indexed: 12/26/2022] Open
Abstract
Self-healing hydrogels and traditional hydrogels both have three-dimensional polymeric networks that are capable of absorbing and retaining a large amount of water. Self-healing hydrogels can heal and restore damage automatically, and they can avoid premature failure of hydrogels caused by mechanical damage after implantation. The formation mechanism of self-healing hydrogels and the factors that hydrogels can load are various. Researchers can design hydrogels to meet the needs of different tissues through the diversity of hydrogels Therefore, it is necessary to summarize different self-healing mechanisms and different factors to achieve different functions. Here, we briefly reviewed the hydrogels designed by researchers in recent years according to the self-healing mechanism of water coagulation. Then, the factors for different functions of self-healing hydrogels in different tissues were statistically analyzed. We hope our work can provide effective support for researchers in the design process of self-healing hydrogel.
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Yu Y, Kong K, Tang R, Liu Z. A Bioinspired Ultratough Composite Produced by Integration of Inorganic Ionic Oligomers within Polymer Networks. ACS NANO 2022; 16:7926-7936. [PMID: 35482415 DOI: 10.1021/acsnano.2c00663] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
The nacre-inspired laminates are promising materials for their excellent mechanics. However, the interfacial defects between organic-inorganic phases commonly lead to the crack propagation and fracture failure of these materials under stress. A natural biomineral, bone, has much higher bending toughness than the nacre. The small size of inorganic building units in bone improves the organic-inorganic interaction, which optimizes the material toughness. Inspired by these biological structures, here, an ultratough nanocomposite laminate is prepared by the integration of ultrasmall calcium phosphate oligomers (CPO, 1 nm in diameter) within poly(vinyl alcohol) (PVA) and sodium alginate (Alg) networks through a simple three-step strategy. Owing to the small size of inorganic building units, strong multiple molecular interactions within integrated organic-inorganic hierarchical structure are built. The resulting laminates exhibit ultrahigh bending strain (>50% without fracture) and toughness (21.5-31.0 MJ m-3), which surpass natural nacre and almost all of the synthetic laminate materials that have been reported so far. Moreover, the mechanics of this laminate is tunable by changing the water content within the bulk structure. This work provides a way for the development of organic-inorganic nanocomposites with ultrahigh bending toughness by using inorganic ionic oligomers, which can be useful in the fields of tough protective materials and energy absorbing materials.
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Affiliation(s)
- Yadong Yu
- Department of Chemistry, Zhejiang University, Hangzhou, Zhejiang 310027, China
- ZJU-Hangzhou Global Scientific and Technological Innovation Center, Hangzhou, Zhejiang 311215, China
- State Key Laboratory of Chemical Engineering, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou, Zhejiang 310027, China
| | - Kangren Kong
- Department of Chemistry, Zhejiang University, Hangzhou, Zhejiang 310027, China
| | - Ruikang Tang
- Department of Chemistry, Zhejiang University, Hangzhou, Zhejiang 310027, China
- State Key Laboratory for Silicon Materials, Zhejiang University, Hangzhou, Zhejiang 310027, China
| | - Zhaoming Liu
- Department of Chemistry, Zhejiang University, Hangzhou, Zhejiang 310027, China
- State Key Laboratory for Silicon Materials, Zhejiang University, Hangzhou, Zhejiang 310027, China
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40
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Yao S, Zhao Y, Xu Y, Jin B, Wang M, Yu C, Guo Z, Jiang S, Tang R, Fang X, Fan S. Injectable Dual-Dynamic-Bond Cross-Linked Hydrogel for Highly Efficient Infected Diabetic Wound Healing. Adv Healthc Mater 2022; 11:e2200516. [PMID: 35537701 DOI: 10.1002/adhm.202200516] [Citation(s) in RCA: 30] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2022] [Revised: 04/26/2022] [Indexed: 11/06/2022]
Abstract
Diabetic wound is a significant challenge for clinical treatment with high morbidity and mortality. Plenty of hydrogels with good biocompatibility have been widely used in diabetic wound healing. However, most of them cannot be directly absorbed and utilized by the wounds, which prolongs the regeneration time. Here a new type of healing hydrogel is developed that is based on histidine, a natural dietary essential amino acid that is significant for tissue formation. The amino acid is cross-linked with zinc ions (Zn2+ ) and sodium alginate (SA) via dynamic coordinate and hydrogen bonds, respectively, forming a histidine-SA-Zn2+ (HSZH) hydrogel with good injectable, adhesive, biocompatible, and antibacterial properties. Application of this dual-dynamic-bond cross-linked HSZH hydrogel accelerates the migration and angiogenesis of skin-related cells in vitro. Furthermore, it significantly promotes the healing of infected diabetic wounds in vivo and uniquely allows a full repair of wounds within ≈13 days, while ≈27 days are required for the healing process of the control group. This work provides a new strategy for designing wound dressing materials, that weakly cross-linked material based on tissue-friendly micromolecules can heal the wounds more efficiently than highly cross-linked materials based on long-chain polymers.
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Affiliation(s)
- Shasha Yao
- Department of Orthopaedic Surgery Sir Run Run Shaw Hospital School of Medicine Zhejiang University Hangzhou Zhejiang 310016 China
- Key Laboratory of Musculoskeletal System Degeneration and Regeneration Translational Research of Zhejiang Province Hangzhou Zhejiang 310016 China
| | - Yueqi Zhao
- Department of Orthopaedic Surgery Sir Run Run Shaw Hospital School of Medicine Zhejiang University Hangzhou Zhejiang 310016 China
- Key Laboratory of Musculoskeletal System Degeneration and Regeneration Translational Research of Zhejiang Province Hangzhou Zhejiang 310016 China
| | - Yifei Xu
- State Key Laboratory of Molecular Engineering of Polymers Department of Macromolecular Science Fudan University Shanghai 200438 China
| | - Biao Jin
- Center for Biomaterials and Biopathways Department of Chemistry Zhejiang University Hangzhou Zhejiang 310027 China
| | - Monian Wang
- Department of Orthopaedic Surgery Sir Run Run Shaw Hospital School of Medicine Zhejiang University Hangzhou Zhejiang 310016 China
- Key Laboratory of Musculoskeletal System Degeneration and Regeneration Translational Research of Zhejiang Province Hangzhou Zhejiang 310016 China
| | - Congcong Yu
- Department of Orthopaedic Surgery Sir Run Run Shaw Hospital School of Medicine Zhejiang University Hangzhou Zhejiang 310016 China
- Key Laboratory of Musculoskeletal System Degeneration and Regeneration Translational Research of Zhejiang Province Hangzhou Zhejiang 310016 China
| | - Zhengxi Guo
- Center for Biomaterials and Biopathways Department of Chemistry Zhejiang University Hangzhou Zhejiang 310027 China
| | - Shengnan Jiang
- Department of Infectious Diseases Sir Run Run Shaw Hospital Zhejiang University School of Medicine Hangzhou 310016 China
| | - Ruikang Tang
- Center for Biomaterials and Biopathways Department of Chemistry Zhejiang University Hangzhou Zhejiang 310027 China
| | - Xiangqian Fang
- Department of Orthopaedic Surgery Sir Run Run Shaw Hospital School of Medicine Zhejiang University Hangzhou Zhejiang 310016 China
- Key Laboratory of Musculoskeletal System Degeneration and Regeneration Translational Research of Zhejiang Province Hangzhou Zhejiang 310016 China
| | - Shunwu Fan
- Department of Orthopaedic Surgery Sir Run Run Shaw Hospital School of Medicine Zhejiang University Hangzhou Zhejiang 310016 China
- Key Laboratory of Musculoskeletal System Degeneration and Regeneration Translational Research of Zhejiang Province Hangzhou Zhejiang 310016 China
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41
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Huang J, Wu P. Kneading-Inspired Versatile Design for Biomimetic Skins with a Wide Scope of Customizable Features. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2022; 9:e2200108. [PMID: 35315242 PMCID: PMC9109062 DOI: 10.1002/advs.202200108] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/06/2022] [Revised: 02/15/2022] [Indexed: 06/14/2023]
Abstract
Biomimetic skins featuring customizable functions and human tissue-compatible mechanical properties have garnered tremendous interest for potential applications in human-machine interfaces, flexible wearable devices, and soft robotics. However, most existing skin-like materials require complex molecular design or multistep functionalization to achieve various functionalities that match or even surpass the performance of human skin. Thus, simultaneously minimizing production costs and achieving customizable features are still highly desirable yet challenging. Herein, inspired by a well-known kneading technique that renders a homogeneous mixture of all the ingredients, a versatile method involving two steps of kneading and resting is employed to prepare biomimetic skins with a wide scope of customizable features. Commonly used one-dimensional (1D), two-dimensional (2D), three-dimensional (3D) nanofillers and even solvents are demonstrated to be homogeneously dispersed in the viscoelastic hydrogel matrices by hand kneading, which not only contributes to improved mechanical properties and new functionalities, but also makes full use of raw materials without waste. Furthermore, similar to the combination of "condiments" in kneading dough, the flexible integration of functional fillers offers exciting and versatile platforms for the design of biomimetic skins with tunable application-specific properties, such as mechanical compliance, sensory capabilities, freezing resistance, 3D printability, fluorescence tunability, etc.
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Affiliation(s)
- Jiahui Huang
- State Key Laboratory of Molecular Engineering of PolymersDepartment of Macromolecular Science and Laboratory of Advanced MaterialsFudan UniversityShanghai200433China
| | - Peiyi Wu
- State Key Laboratory of Molecular Engineering of PolymersDepartment of Macromolecular Science and Laboratory of Advanced MaterialsFudan UniversityShanghai200433China
- State Key Laboratory for Modification of Chemical Fibers and Polymer MaterialsCollege of ChemistryChemical Engineering and BiotechnologyCenter for Advanced Low‐Dimension MaterialsDonghua UniversityShanghai201620China
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42
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Jia X, Kayitmazer AB, Ahmad A, Ramzan N, Li Y, Xu Y, Sun S. Polyacids for producing colloidally stable amorphous calcium carbonate clusters in water. J Appl Polym Sci 2022. [DOI: 10.1002/app.51899] [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]
Affiliation(s)
- Xianjing Jia
- Lab of Low‐Dimensional Materials Chemistry, Key Laboratory for Ultrafine Materials of Ministry of Education, School of Materials Science and Engineering East China University of Science and Technology Shanghai China
| | | | - Ayyaz Ahmad
- Department of Chemical Engineering Muhammad Nawaz Sharif University of Engineering and Technology Multan Pakistan
| | - Naveed Ramzan
- Faculty of Chemical, Metallurgical, and Polymer Engineering University of Engineering & Technology Lahore Pakistan
| | - Yongsheng Li
- Lab of Low‐Dimensional Materials Chemistry, Key Laboratory for Ultrafine Materials of Ministry of Education, School of Materials Science and Engineering East China University of Science and Technology Shanghai China
| | - Yisheng Xu
- State Key Laboratory of Chemical Engineering East China University of Science and Technology Shanghai China
| | - Shengtong Sun
- Center for Advanced Low‐dimension Materials Donghua University Shanghai China
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43
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Nakamoto M, Noguchi M, Nishiguchi A, Mano JF, Matsusaki M, Akashi M. Fabrication of highly stretchable hydrogel based on crosslinking between alendronates functionalized poly-γ-glutamate and calcium cations. Mater Today Bio 2022; 14:100225. [PMID: 35280331 PMCID: PMC8914556 DOI: 10.1016/j.mtbio.2022.100225] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2021] [Revised: 12/29/2021] [Accepted: 02/24/2022] [Indexed: 11/27/2022] Open
Affiliation(s)
- Masahiko Nakamoto
- Division of Applied Chemistry, Osaka University, Graduate School of Engineering, 2-1 Yamadaoka, Suita, Osaka 565-0871, Japan
| | - Moe Noguchi
- Division of Applied Chemistry, Osaka University, Graduate School of Engineering, 2-1 Yamadaoka, Suita, Osaka 565-0871, Japan
| | - Akihiro Nishiguchi
- Division of Applied Chemistry, Osaka University, Graduate School of Engineering, 2-1 Yamadaoka, Suita, Osaka 565-0871, Japan
| | - João F. Mano
- Department of Chemistry, CICECO-Aveiro Institute of Materials, University of Aveiro, Campus Universitario de Santiago, 3810-193, Aveiro, Portugal
| | - Michiya Matsusaki
- Division of Applied Chemistry, Osaka University, Graduate School of Engineering, 2-1 Yamadaoka, Suita, Osaka 565-0871, Japan
- Corresponding author.
| | - Mitsuru Akashi
- Division of Applied Chemistry, Osaka University, Graduate School of Engineering, 2-1 Yamadaoka, Suita, Osaka 565-0871, Japan
- Department of Frontier Biosciences, Graduate School of Frontier Biosciences, Osaka University, 1-3 Yamadaoka, Suita, Osaka, 565-0871, Japan
- Corresponding author
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44
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Yu Y, Guo Z, Zhao Y, Kong K, Pan H, Xu X, Tang R, Liu Z. A Flexible and Degradable Hybrid Mineral as a Plastic Substitute. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2022; 34:e2107523. [PMID: 34962676 DOI: 10.1002/adma.202107523] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/20/2021] [Revised: 12/08/2021] [Indexed: 06/14/2023]
Abstract
The development of environmentally friendly plastics is critical to ensure sustainable development. In contrast to polymer plastics derived from petrochemicals, inorganic minerals, which are the most abundant matter in Earth's crust, are environmentally friendly. However, the brittleness of these minerals limits their applications as plastics. Here, because of the advantages of both biomineralization and inorganic ionic polymerization, the calcium phosphate (CaP, a typical geological and biological mineral) oligomers are used for biomimetic mineralization under the regulation of polyvinyl alcohol and sodium alginate, resulting in flexible CaP nanofibers with periodic structural defects. The assembly of CaP nanofibers produces a hierarchically structured bulk hybrid mineral (HM), which overcomes the intrinsic brittleness of minerals and exhibits plasticity characteristics. HM exhibits better hardness and thermostability than classical polymer plastics due to its dominant mineral composition. Notably, HM is environmentally friendly and degradable in nature, as it can potentially participate in geological cycles, indicating that this material is an optimal plastic substitute. The construction of periodic structural defects within flexible minerals expands the current understanding of materials science.
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Affiliation(s)
- Yadong Yu
- Department of Chemistry, Zhejiang University, Hangzhou, Zhejiang, 310027, China
| | - Zhengxi Guo
- Department of Chemistry, Zhejiang University, Hangzhou, Zhejiang, 310027, China
| | - Yueqi Zhao
- Department of Chemistry, Zhejiang University, Hangzhou, Zhejiang, 310027, China
| | - Kangren Kong
- Department of Chemistry, Zhejiang University, Hangzhou, Zhejiang, 310027, China
| | - Haihua Pan
- Qiushi Academy for Advanced Studies, Zhejiang University, Hangzhou, Zhejiang, 310027, China
| | - Xurong Xu
- Qiushi Academy for Advanced Studies, Zhejiang University, Hangzhou, Zhejiang, 310027, China
| | - Ruikang Tang
- Department of Chemistry, Zhejiang University, Hangzhou, Zhejiang, 310027, China
- State Key Laboratory for Silicon Materials, Zhejiang University, Hangzhou, Zhejiang, 310027, China
| | - Zhaoming Liu
- Department of Chemistry, Zhejiang University, Hangzhou, Zhejiang, 310027, China
- State Key Laboratory for Silicon Materials, Zhejiang University, Hangzhou, Zhejiang, 310027, China
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45
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Chang R, Liu Y, Zhang Y, Zhang S, Han B, Chen F, Chen Y. Phosphorylated and Phosphonated Low-Complexity Protein Segments for Biomimetic Mineralization and Repair of Tooth Enamel. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2022; 9:e2103829. [PMID: 34978158 PMCID: PMC8867149 DOI: 10.1002/advs.202103829] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/31/2021] [Revised: 11/18/2021] [Indexed: 05/03/2023]
Abstract
Biomimetic mineralization based on self-assembly has made great progress, providing bottom-up strategies for the construction of new organic-inorganic hybrid materials applied in the treatment of hard tissue defects. Herein, inspired by the cooperative effects of key components in biomineralization microenvironments, a new type of biocompatible peptide scaffold based on flexibly self-assembling low-complexity protein segments (LCPSs) containing phosphate or phosphonate groups is developed. These LCPSs can retard the transformation of amorphous calcium phosphate into hydroxyapatite (HAP), leading to merged mineralization structures. Moreover, the application of phosphonated LCPS over phosphorylated LCPS can prevent hydrolysis by phosphatases that are enriched in extracellular mineralization microenvironments. After being coated on the etched tooth enamel, these LCPSs facilitate the growth of HAP to generate new enamel layers comparable to the natural layers and mitigate the adhesion of Streptococcus mutans. In addition, they can effectively stimulate the differentiation pathways of osteoblasts. These results shed light on the potential biomedical applications of two LCPSs in hard tissue repair.
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Affiliation(s)
- Rong Chang
- Key Laboratory of Bioorganic Phosphorus Chemistry and Chemical Biology (Ministry of Education)Department of ChemistryTsinghua UniversityBeijing100084China
| | - Yang‐Jia Liu
- Central LaboratoryPeking University Hospital of StomatologyBeijing100081China
| | - Yun‐Lai Zhang
- Key Laboratory of Bioorganic Phosphorus Chemistry and Chemical Biology (Ministry of Education)Department of ChemistryTsinghua UniversityBeijing100084China
| | - Shi‐Ying Zhang
- Central LaboratoryPeking University Hospital of StomatologyBeijing100081China
| | - Bei‐Bei Han
- Key Laboratory of Bioorganic Phosphorus Chemistry and Chemical Biology (Ministry of Education)Department of ChemistryTsinghua UniversityBeijing100084China
| | - Feng Chen
- Central LaboratoryPeking University Hospital of StomatologyBeijing100081China
| | - Yong‐Xiang Chen
- Key Laboratory of Bioorganic Phosphorus Chemistry and Chemical Biology (Ministry of Education)Department of ChemistryTsinghua UniversityBeijing100084China
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46
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Gruber D, Ruiz-Agudo C, Cölfen H. Cationic Coacervates: Novel Phosphate Ionic Reservoir for the Mineralization of Calcium Phosphates. ACS Biomater Sci Eng 2022; 9:1791-1795. [PMID: 35061343 DOI: 10.1021/acsbiomaterials.1c01090] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Cationic complex coacervates are contemplated for various medical applications controlling carrier or release processes. Here, lower Mw poly(allylamine hydrochloride) (15 kg/mol) and (hydrogen)phosphate as cross-linking units were chosen to facilitate a sufficient coacervation and subsequently a controllable phosphate release, essential for consecutive mineralization reactions. In addition, the rheological characteristics of the obtained coacervates were assessed, exhibiting a pronounced liquid character, which enables beneficial properties toward remineralization applications such as high wettability and moldability. In light of our results, macroscopic hydrogels are considered for the first time as an ion source for the mineralization of crystalline calcium phosphate phases, representing an entirely new class of preceding mineralization species for potential applications in dentistry and osteology.
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Affiliation(s)
- Dominik Gruber
- Department of Chemistry, University of Konstanz, Universitätsstrasse
10, Box 714, 78457 Konstanz, Germany
| | - Cristina Ruiz-Agudo
- Department of Chemistry, University of Konstanz, Universitätsstrasse
10, Box 714, 78457 Konstanz, Germany
| | - Helmut Cölfen
- Department of Chemistry, University of Konstanz, Universitätsstrasse
10, Box 714, 78457 Konstanz, Germany
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47
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Kim HL, Shin YS, Yang SH. Effect of poly(acrylic acid) on crystallization of calcium carbonate in a hydrogel. CrystEngComm 2022. [DOI: 10.1039/d1ce01687c] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Abstract
As carbonate ions are diffused into an agarose hydrogel containing calcium ions and poly(acrylic acid), elliptical and spherical calcites are controllably formed depending on the concentration of poly(acrylic acid) and the position of the hydrogel.
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Affiliation(s)
- Hong Lyun Kim
- Department of Chemistry Education, Korea National University of Education, Chungbuk 28173, Korea
| | - Yu Seob Shin
- Department of Chemistry Education, Korea National University of Education, Chungbuk 28173, Korea
| | - Sung Ho Yang
- Department of Chemistry Education, Korea National University of Education, Chungbuk 28173, Korea
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48
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Shu L, Zhang XF, Wang Z, Yao J. Structure reorganization of cellulose hydrogel by green solvent exchange for potential plastic replacement. Carbohydr Polym 2022; 275:118695. [PMID: 34742422 DOI: 10.1016/j.carbpol.2021.118695] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2021] [Revised: 09/17/2021] [Accepted: 09/19/2021] [Indexed: 12/23/2022]
Abstract
Petroleum-based plastics have raised great environmental concerns from the beginning of their production to the end-of-life cycle. It is urgently needed to develop sustainable and green materials with certain plastic properties. Herein, biobased cellulose films are fabricated from low quality cotton cellulose by manipulating its hydrogen bonding network with green solvents. The cellulose is dispersed in inorganic salts (ZnCl2/CaCl2) to form ionic hydrogels, and then transformed into tough and flexible films through ethanol exchange and air drying. Without extra hot-pressing treatment, the aggregate structure of cellulose is re-organized with the disruption and re-construction of hydrogen bonds. Benefiting from the densely packed structure and highly in-plane orientation, the cellulose film presents outstanding optical, thermal and mechanical properties. Such cellulose materials hold a potential for plastic replacement in the field of biodegradable packing.
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Affiliation(s)
- Lian Shu
- College of Chemical Engineering, Nanjing Forestry University, Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources International Innovation Center for Forest Chemicals and Materials, Nanjing, Jiangsu 210037, China
| | - Xiong-Fei Zhang
- College of Chemical Engineering, Nanjing Forestry University, Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources International Innovation Center for Forest Chemicals and Materials, Nanjing, Jiangsu 210037, China
| | - Zhongguo Wang
- College of Chemical Engineering, Nanjing Forestry University, Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources International Innovation Center for Forest Chemicals and Materials, Nanjing, Jiangsu 210037, China
| | - Jianfeng Yao
- College of Chemical Engineering, Nanjing Forestry University, Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources International Innovation Center for Forest Chemicals and Materials, Nanjing, Jiangsu 210037, China.
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49
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Li C, Zhang Y, Han Y, Zhao X, Tian F. Freeze–thaw enhanced stability and mechanical strength of polysaccharide‐based sodium alginate/hyaluronic acid films. J Food Saf 2021. [DOI: 10.1111/jfs.12958] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Affiliation(s)
- Cai‐Yun Li
- College of Food Science and Engineering Gansu Agricultural University Lanzhou China
| | - Yu‐Bin Zhang
- College of Food Science and Engineering Gansu Agricultural University Lanzhou China
| | - Yun Han
- Jianyou Science and Technology Park Hangzhou China
| | - Xi‐Ya Zhao
- College of Food Science and Engineering Gansu Agricultural University Lanzhou China
| | - Fa‐Dong Tian
- College of Food Science and Engineering Gansu Agricultural University Lanzhou China
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Dong Z, Wu D, Engqvist H, Luo J, Persson C. Silk fibroin hydrogels induced and reinforced by acidic calcium phosphate - A simple way of producing bioactive and drug-loadable composites for biomedical applications. Int J Biol Macromol 2021; 193:433-440. [PMID: 34715202 DOI: 10.1016/j.ijbiomac.2021.10.160] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2021] [Revised: 10/19/2021] [Accepted: 10/21/2021] [Indexed: 12/29/2022]
Abstract
Silk fibroin (SF) hydrogels have attracted extensive interest in biomedical applications due to their biocompatibility and wide availability. However, their generally poor mechanical properties limit their utility. Here, injectable, ready-to-use SF-based composites, simultaneously induced and reinforced by acidic calcium phosphates, were prepared via a dual-paste system requiring no complex chemical/physical treatment. The composite was formed by mixing a monocalcium phosphate monohydrate paste with a β-tricalcium phosphate/SF paste. The conformational transition of SF in an acidic environment forms continuous networks, and the acidic calcium phosphate, brushite and monetite, formed simultaneously in the networks during mixing. The composites displayed a partly elastomeric compression behavior, with mechanical properties increasing with an increasing calcium phosphate and β-sheet content at the lower calcium phosphate contents evaluated (22.2-36.4 wt%). While the stiffness was still relatively low, the materials presented a high elasticity and ductility, and no failure at stresses in the range of failure stresses of trabecular bone. Furthermore, the calcium phosphate confers bioactivity to the material, and the composites with a promising in vitro cell response also showed potential as drug vehicles, using vancomycin as a model drug. These dual-paste systems exhibit potential utility in biomedical applications, such as bone void fillers and drug vehicles.
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Affiliation(s)
- Zhiyun Dong
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu 610065, China
| | - Dan Wu
- Division of Applied Materials Science, Department of Materials Science and Engineering, Uppsala University, Uppsala, Box 534, 751 21, Sweden
| | - Håkan Engqvist
- Division of Applied Materials Science, Department of Materials Science and Engineering, Uppsala University, Uppsala, Box 534, 751 21, Sweden
| | - Jun Luo
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu 610065, China; Division of Applied Materials Science, Department of Materials Science and Engineering, Uppsala University, Uppsala, Box 534, 751 21, Sweden.
| | - Cecilia Persson
- Division of Applied Materials Science, Department of Materials Science and Engineering, Uppsala University, Uppsala, Box 534, 751 21, Sweden; Division of Biomedical Engineering, Department of Materials Science and Engineering, Uppsala University, Uppsala, Box 534, 751 21, Sweden.
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