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Lei M, Liao H, Wang S, Zhou H, Zhu J, Wan H, Payne GF, Liu C, Qu X. Electro-Sorting Create Heterogeneity: Constructing A Multifunctional Janus Film with Integrated Compositional and Microstructural Gradients for Guided Bone Regeneration. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2024; 11:e2307606. [PMID: 38225697 DOI: 10.1002/advs.202307606] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/11/2023] [Revised: 12/25/2023] [Indexed: 01/17/2024]
Abstract
Biology remains the envy of flexible soft matter fabrication because it can satisfy multiple functional needs by organizing a small set of proteins and polysaccharides into hierarchical systems with controlled heterogeneity in composition and microstructure. Here, it is reported that controlled, mild electronic inputs (<10 V; <20 min) induce a homogeneous gelatin-chitosan mixture to undergo sorting and bottom-up self-assembly into a Janus film with compositional gradient (i.e., from chitosan-enriched layer to chitosan/gelatin-contained layer) and tunable dense-porous gradient microstructures (e.g., porosity, pore size, and ratio of dense to porous layers). This Janus film performs is shown multiple functions for guided bone regeneration: the integration of compositional and microstructural features confers flexible mechanics, asymmetric properties for interfacial wettability, molecular transport (directional growth factor release), and cellular responses (prevents fibroblast infiltration but promotes osteoblast growth and differentiation). Overall, this work demonstrates the versatility of electrofabrication for the customized manufacturing of functional gradient soft matter.
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Affiliation(s)
- Miao Lei
- Key Laboratory for Ultrafine Materials of Ministry of Education, Frontiers Science Center for Materiobiology and Dynamic Chemistry, School of materials science and engineering, East China University of Science and Technology, Shanghai, 200237, China
| | - Haitao Liao
- Key Laboratory for Ultrafine Materials of Ministry of Education, Frontiers Science Center for Materiobiology and Dynamic Chemistry, School of materials science and engineering, East China University of Science and Technology, Shanghai, 200237, China
| | - Shijia Wang
- Key Laboratory for Ultrafine Materials of Ministry of Education, Frontiers Science Center for Materiobiology and Dynamic Chemistry, School of materials science and engineering, East China University of Science and Technology, Shanghai, 200237, China
| | - Hang Zhou
- Key Laboratory for Ultrafine Materials of Ministry of Education, Frontiers Science Center for Materiobiology and Dynamic Chemistry, School of materials science and engineering, East China University of Science and Technology, Shanghai, 200237, China
| | - Jianwei Zhu
- Key Laboratory for Ultrafine Materials of Ministry of Education, Frontiers Science Center for Materiobiology and Dynamic Chemistry, School of materials science and engineering, East China University of Science and Technology, Shanghai, 200237, China
| | - Haoran Wan
- Key Laboratory for Ultrafine Materials of Ministry of Education, Frontiers Science Center for Materiobiology and Dynamic Chemistry, School of materials science and engineering, East China University of Science and Technology, Shanghai, 200237, China
| | - Gregory F Payne
- Institute for Bioscience and Biotechnology Research and Robert E. Fischell Biomedical Device Institute, 5118 A. James Clark Hall, College Park, Maryland, 20742, USA
| | - Changsheng Liu
- Key Laboratory for Ultrafine Materials of Ministry of Education, Frontiers Science Center for Materiobiology and Dynamic Chemistry, School of materials science and engineering, East China University of Science and Technology, Shanghai, 200237, China
| | - Xue Qu
- Key Laboratory for Ultrafine Materials of Ministry of Education, Frontiers Science Center for Materiobiology and Dynamic Chemistry, School of materials science and engineering, East China University of Science and Technology, Shanghai, 200237, China
- Shanghai Frontier Science Research Base of Optogenetic Techniques for Cell Metabolism, East China University of Science and Technology, Shanghai, 200237, China
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2
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Romany A, Payne GF, Shen J. Effect of Acetylation on the Nanofibril Formation of Chitosan from All-Atom De Novo Self-Assembly Simulations. Molecules 2024; 29:561. [PMID: 38338306 PMCID: PMC10856132 DOI: 10.3390/molecules29030561] [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: 12/15/2023] [Revised: 01/08/2024] [Accepted: 01/15/2024] [Indexed: 02/12/2024] Open
Abstract
Chitosan-based materials have broad applications, from biotechnology to pharmaceutics. Recent experiments showed that the degree and pattern of acetylation along the chitosan chain modulate its biological and physicochemical properties; however, the molecular mechanism remains unknown. Here, we report, to the best of our knowledge, the first de novo all-atom molecular dynamics (MD) simulations to investigate chitosan's self-assembly process at different degrees and patterns of acetylation. Simulations revealed that 10 mer chitosan chains with 50% acetylation in either block or alternating patterns associate to form ordered nanofibrils comprised of mainly antiparallel chains in agreement with the fiber diffraction data of deacetylated chitosan. Surprisingly, regardless of the acetylation pattern, the same intermolecular hydrogen bonds mediate fibril sheet formation while water-mediated interactions stabilize sheet-sheet stacking. Moreover, acetylated units are involved in forming strong intermolecular hydrogen bonds (NH-O6 and O6H-O7), which offers an explanation for the experimental observation that increased acetylation lowers chitosan's solubility. Taken together, the present study provides atomic-level understanding the role of acetylation plays in modulating chitosan's physiochemical properties, contributing to the rational design of chitosan-based materials with the ability to tune by its degree and pattern of acetylation. Additionally, we disseminate the improved molecular mechanics parameters that can be applied in MD studies to further understand chitosan-based materials.
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Affiliation(s)
- Aarion Romany
- Department of Pharmaceutical Sciences, University of Maryland School of Pharmacy, Baltimore, MD 21201, USA;
| | - Gregory F. Payne
- Institute for Bioscience and Biotechnology Research, University of Maryland, College Park, MD 20742, USA;
| | - Jana Shen
- Department of Pharmaceutical Sciences, University of Maryland School of Pharmacy, Baltimore, MD 21201, USA;
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3
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Chen LH, Hu JN. Development of nano-delivery systems for loaded bioactive compounds: using molecular dynamics simulations. Crit Rev Food Sci Nutr 2024:1-22. [PMID: 38206576 DOI: 10.1080/10408398.2023.2301427] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2024]
Abstract
Over the past decade, a remarkable surge in the development of functional nano-delivery systems loaded with bioactive compounds for healthcare has been witnessed. Notably, the demanding requirements of high solubility, prolonged circulation, high tissue penetration capability, and strong targeting ability of nanocarriers have posed interdisciplinary research challenges to the community. While extensive experimental studies have been conducted to understand the construction of nano-delivery systems and their metabolic behavior in vivo, less is known about these molecular mechanisms and kinetic pathways during their metabolic process in vivo, and lacking effective means for high-throughput screening. Molecular dynamics (MD) simulation techniques provide a reliable tool for investigating the design of nano-delivery carriers encapsulating these functional ingredients, elucidating the synthesis, translocation, and delivery of nanocarriers. This review introduces the basic MD principles, discusses how to apply MD simulation to design nanocarriers, evaluates the ability of nanocarriers to adhere to or cross gastrointestinal mucosa, and regulates plasma proteins in vivo. Moreover, we presented the critical role of MD simulation in developing delivery systems for precise nutrition and prospects for the future. This review aims to provide insights into the implications of MD simulation techniques for designing and optimizing nano-delivery systems in the healthcare food industry.
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Affiliation(s)
- Li-Hang Chen
- SKL of Marine Food Processing & Safety Control, National Engineering Research Center of Seafood, Collaborative Innovation Center of Seafood Deep Processing, School of Food Science and Technology, Dalian Polytechnic University, Dalian, China
| | - Jiang-Ning Hu
- SKL of Marine Food Processing & Safety Control, National Engineering Research Center of Seafood, Collaborative Innovation Center of Seafood Deep Processing, School of Food Science and Technology, Dalian Polytechnic University, Dalian, China
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4
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Liu Y, Kim E, Lei M, Wu S, Yan K, Shen J, Bentley WE, Shi X, Qu X, Payne GF. Electro-Biofabrication. Coupling Electrochemical and Biomolecular Methods to Create Functional Bio-Based Hydrogels. Biomacromolecules 2023. [PMID: 37155361 DOI: 10.1021/acs.biomac.3c00132] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/10/2023]
Abstract
Twenty years ago, this journal published a review entitled "Biofabrication with Chitosan" based on the observations that (i) chitosan could be electrodeposited using low voltage electrical inputs (typically less than 5 V) and (ii) the enzyme tyrosinase could be used to graft proteins (via accessible tyrosine residues) to chitosan. Here, we provide a progress report on the coupling of electronic inputs with advanced biological methods for the fabrication of biopolymer-based hydrogel films. In many cases, the initial observations of chitosan's electrodeposition have been extended and generalized: mechanisms have been established for the electrodeposition of various other biological polymers (proteins and polysaccharides), and electrodeposition has been shown to allow the precise control of the hydrogel's emergent microstructure. In addition, the use of biotechnological methods to confer function has been extended from tyrosinase conjugation to the use of protein engineering to create genetically fused assembly tags (short sequences of accessible amino acid residues) that facilitate the attachment of function-conferring proteins to electrodeposited films using alternative enzymes (e.g., transglutaminase), metal chelation, and electrochemically induced oxidative mechanisms. Over these 20 years, the contributions from numerous groups have also identified exciting opportunities. First, electrochemistry provides unique capabilities to impose chemical and electrical cues that can induce assembly while controlling the emergent microstructure. Second, it is clear that the detailed mechanisms of biopolymer self-assembly (i.e., chitosan gel formation) are far more complex than anticipated, and this provides a rich opportunity both for fundamental inquiry and for the creation of high performance and sustainable material systems. Third, the mild conditions used for electrodeposition allow cells to be co-deposited for the fabrication of living materials. Finally, the applications have been expanded from biosensing and lab-on-a-chip systems to bioelectronic and medical materials. We suggest that electro-biofabrication is poised to emerge as an enabling additive manufacturing method especially suited for life science applications and to bridge communication between our biological and technological worlds.
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Affiliation(s)
- Yi Liu
- Institute for Bioscience and Biotechnology Research and Robert E. Fischell Institute for Biomedical Devices, University of Maryland, College Park, Maryland 20742, United States
| | - Eunkyoung Kim
- Institute for Bioscience and Biotechnology Research and Robert E. Fischell Institute for Biomedical Devices, University of Maryland, College Park, Maryland 20742, United States
| | - Miao Lei
- Key Laboratory for Ultrafine Materials of Ministry of Education Frontiers Science Center for Materiobiology and Dynamic Chemistry, School of Materials Science and Engineering, Shanghai Frontier Science Research Base of Optogenetic Techniques for Cell Metabolism, East China University of Science and Technology, Shanghai 200237, P. R. China
| | - Si Wu
- College of Resources and Environmental Engineering, Hubei Key Laboratory for Efficient Utilization and Agglomeration of Metallurgic Mineral Resources, Wuhan University of Science and Technology, Wuhan 430081, P. R. China
| | - Kun Yan
- Hubei Key Laboratory of Advanced Textile Materials & Application, Wuhan Textile University, Wuhan 430200, P. R. China
| | - Jana Shen
- Department of Pharmaceutical Sciences, University of Maryland School of Pharmacy, Baltimore, Maryland 21201, United States
| | - William E Bentley
- Institute for Bioscience and Biotechnology Research and Robert E. Fischell Institute for Biomedical Devices, University of Maryland, College Park, Maryland 20742, United States
- Fischell Department of Bioengineering, University of Maryland, College Park, Maryland 20742, United States
| | - Xiaowen Shi
- School of Resource and Environmental Science, Hubei International Scientific and Technological Cooperation Base of Sustainable Resource and Energy, Hubei Engineering Center of Natural Polymers-Based Medical Materials, Hubei Biomass-Resource Chemistry and Environmental Biotechnology Key Laboratory, Wuhan University, Wuhan 430079, P. R. China
| | - Xue Qu
- Key Laboratory for Ultrafine Materials of Ministry of Education Frontiers Science Center for Materiobiology and Dynamic Chemistry, School of Materials Science and Engineering, Shanghai Frontier Science Research Base of Optogenetic Techniques for Cell Metabolism, East China University of Science and Technology, Shanghai 200237, P. R. China
| | - Gregory F Payne
- Institute for Bioscience and Biotechnology Research and Robert E. Fischell Institute for Biomedical Devices, University of Maryland, College Park, Maryland 20742, United States
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5
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Wang M, Yang C, Deng H, Du Y, Xiao L, Shi X. Electrically induced anisotropic assembly of chitosan with different molecular weights. Carbohydr Polym 2023; 304:120494. [PMID: 36641176 DOI: 10.1016/j.carbpol.2022.120494] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2022] [Revised: 12/13/2022] [Accepted: 12/20/2022] [Indexed: 12/27/2022]
Abstract
Anisotropic hydrogel is emerging as an important soft matter in the field of bionics and bioactuators, owing to its outstanding mechanical toughness and strength. Understanding the dynamic construction process of anisotropic hydrogel is beneficial for matching subsequent application. In this work, we establish an electrical field in microfluidics for the in-situ real time visualization of anisotropic assembly of chitosan, an amino polysaccharide. Polarized light microscopy is adopted to observe the dynamic growth of chitosan with different molecular weights. The results demonstrate that electrical signal has a profound influence on anisotropic assembly process of chitosan. It is interesting to notice that high oriented structure can be found in chitosan hydrogel with large molecular weight, which exhibits a dense and compact structure. This work provides a new perspective for predicting and controlling the formation of different molecular weights anisotropic chitosan hydrogels, which permit the rational design of chitosan hydrogels with excellent mechanical properties and specific functions.
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Affiliation(s)
- Manya Wang
- School of Resource and Environmental Science, Hubei International Scientific and Technological Cooperation Base of Sustainable Resource and Energy, Hubei Engineering Center of Natural Polymers-based Medical Materials, Hubei Biomass-Resource Chemistry and Environmental Biotechnology Key Laboratory, Wuhan University, Wuhan 430079, China
| | - Chen Yang
- School of Resource and Environmental Science, Hubei International Scientific and Technological Cooperation Base of Sustainable Resource and Energy, Hubei Engineering Center of Natural Polymers-based Medical Materials, Hubei Biomass-Resource Chemistry and Environmental Biotechnology Key Laboratory, Wuhan University, Wuhan 430079, China
| | - Hongbing Deng
- School of Resource and Environmental Science, Hubei International Scientific and Technological Cooperation Base of Sustainable Resource and Energy, Hubei Engineering Center of Natural Polymers-based Medical Materials, Hubei Biomass-Resource Chemistry and Environmental Biotechnology Key Laboratory, Wuhan University, Wuhan 430079, China
| | - Yumin Du
- School of Resource and Environmental Science, Hubei International Scientific and Technological Cooperation Base of Sustainable Resource and Energy, Hubei Engineering Center of Natural Polymers-based Medical Materials, Hubei Biomass-Resource Chemistry and Environmental Biotechnology Key Laboratory, Wuhan University, Wuhan 430079, China
| | - Ling Xiao
- School of Resource and Environmental Science, Hubei International Scientific and Technological Cooperation Base of Sustainable Resource and Energy, Hubei Engineering Center of Natural Polymers-based Medical Materials, Hubei Biomass-Resource Chemistry and Environmental Biotechnology Key Laboratory, Wuhan University, Wuhan 430079, China.
| | - Xiaowen Shi
- School of Resource and Environmental Science, Hubei International Scientific and Technological Cooperation Base of Sustainable Resource and Energy, Hubei Engineering Center of Natural Polymers-based Medical Materials, Hubei Biomass-Resource Chemistry and Environmental Biotechnology Key Laboratory, Wuhan University, Wuhan 430079, China.
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6
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Agles AA, Bourg IC. Structure-Thermodynamic Relationship of a Polysaccharide Gel (Alginate) as a Function of Water Content and Counterion Type (Na vs Ca). J Phys Chem B 2023; 127:1828-1841. [PMID: 36791328 PMCID: PMC10159261 DOI: 10.1021/acs.jpcb.2c07129] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/17/2023]
Abstract
Biofilms are the predominant mode of microbial life on Earth, and so a deep understanding of microbial communities─and their impacts on environmental processes─requires a firm understanding of biofilm properties. Because of the importance of biofilms to their microbial inhabitants, microbes have evolved different ways of engineering and reconfiguring the matrix of extracellular polymeric substances (EPS) that constitute the main non-living component of biofilms. This ability makes it difficult to distinguish between the biotic and abiotic origins of biofilm properties. An important route toward establishing this distinction has been the study of simplified models of the EPS matrix. This study builds on such efforts by using atomistic simulations to predict the nanoscale (≤10 nm scale) structure of a model EPS matrix and the sensitivity of this structure to interpolymer interactions and water content. To accomplish this, we use replica exchange molecular dynamics (REMD) simulations to generate all-atom configurations of ten 3.4 kDa alginate polymers at a range of water contents and Ca-Na ratios. Simulated systems are solvated with explicitly modeled water molecules, which allows us to capture the discrete structure of the hydrating water and to examine the thermodynamic stability of water in the gels as they are progressively dehydrated. Our primary findings are that (i) the structure of the hydrogels is highly sensitive to the identity of the charge-compensating cations, (ii) the thermodynamics of water within the gels (specific enthalpy and free energy) are, surprisingly, only weakly sensitive to cation identity, and (iii) predictions of the differential enthalpy and free energy of hydration include a short-ranged enthalpic term that promotes hydration and a longer-ranged (presumably entropic) term that promotes dehydration, where short and long ranges refer to distances shorter or longer than ∼0.6 nm between alginate strands.
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Affiliation(s)
- Avery A Agles
- Department of Chemical and Biological Engineering, Princeton University, Princeton, New Jersey 08544, United States
| | - Ian C Bourg
- Department of Civil and Environmental Engineering and High Meadows Environmental Institute, Princeton University, Princeton, New Jersey 08544, United States
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7
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Lei M, Liao H, Wang S, Zhou H, Zhao Z, Payne GF, Qu X, Liu C. Single Step Assembly of Janus Porous Biomaterial by Sub-Ambient Temperature Electrodeposition. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2022; 18:e2204837. [PMID: 36207286 DOI: 10.1002/smll.202204837] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/07/2022] [Indexed: 06/16/2023]
Abstract
Janus porous biomaterials are gaining increasing attention and there are considerable efforts to develop simple, rapid, and scalable methods capable of tuning micro- and macro-structures. Here, a single-step electro-fabrication method to create a Janus porous film by the electrodeposition of the amino-polysaccharide chitosan is reported. Specifically, a Janus structure emerges spontaneously when electrodeposition is performed at sub-ambient temperature (0-5 °C). Sub-ambient temperature electrodeposition experiments show that: a Janus microstructure emerges (potentially as the result of a subtle alteration of the intermolecular interactions responsible for self-assembly); important microstructural features (pore size, porosity, and thicknesses) can be tuned by conditions; and this method is readily scalable (vs serial printing) and can yield complex tubular structures with Janus faces. In vitro studies demonstrate anisotropic cell guidance, and in vivo studies using a rat calvarial defect model further confirm the beneficial features of such Janus porous film for guided bone regeneration. In summary, these results further demonstrate that electro-fabrication provides a simple and scalable platform technology for the controlled functional structures of soft matter for applications in regenerative medicine.
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Affiliation(s)
- Miao Lei
- Key Laboratory for Ultrafine Materials of Ministry of Education, Frontiers Science Center for Materiobiology and Dynamic Chemistry, School of Materials Science and Engineering, East China University of Science and Technology, Shanghai, 200237, P. R. China
| | - Haitao Liao
- Key Laboratory for Ultrafine Materials of Ministry of Education, Frontiers Science Center for Materiobiology and Dynamic Chemistry, School of Materials Science and Engineering, East China University of Science and Technology, Shanghai, 200237, P. R. China
| | - Shijia Wang
- Key Laboratory for Ultrafine Materials of Ministry of Education, Frontiers Science Center for Materiobiology and Dynamic Chemistry, School of Materials Science and Engineering, East China University of Science and Technology, Shanghai, 200237, P. R. China
| | - Hang Zhou
- Key Laboratory for Ultrafine Materials of Ministry of Education, Frontiers Science Center for Materiobiology and Dynamic Chemistry, School of Materials Science and Engineering, East China University of Science and Technology, Shanghai, 200237, P. R. China
| | - Zhiling Zhao
- Institute for Bioscience and Biotechnology Research and Robert E. Fischell Biomedical Device Institute, 5118 A. James Clark Hall, College Park, MD, 20742, USA
| | - Gregory F Payne
- Institute for Bioscience and Biotechnology Research and Robert E. Fischell Biomedical Device Institute, 5118 A. James Clark Hall, College Park, MD, 20742, USA
| | - Xue Qu
- Key Laboratory for Ultrafine Materials of Ministry of Education, Frontiers Science Center for Materiobiology and Dynamic Chemistry, School of Materials Science and Engineering, East China University of Science and Technology, Shanghai, 200237, P. R. China
- Shanghai Frontier Science Research Base of Optogenetic Techniques for Cell Metabolism, East China University of Science and Technology, Shanghai, 200237, P. R. China
| | - Changsheng Liu
- Key Laboratory for Ultrafine Materials of Ministry of Education, Frontiers Science Center for Materiobiology and Dynamic Chemistry, School of Materials Science and Engineering, East China University of Science and Technology, Shanghai, 200237, P. R. China
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8
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Tong J, Yang C, Qi L, Zhang J, Deng H, Du Y, Shi X. Tubular chitosan hydrogels with a tuneable lamellar structure programmed by electrical signals. Chem Commun (Camb) 2022; 58:5781-5784. [PMID: 35451432 DOI: 10.1039/d2cc01320g] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The discovery of facile methods to create complex lamellar structures in hydrogels, which mimic the exquisite structures in nature, remains a great challenge. In this work, an ordered lamellar structured hydrogel from the stimuli-responsive amino-polysaccharide chitosan is fabricated by an electro-assembly process, during which the diffusion of OH- and the electrophoresis of the chitosan chains play important roles. Importantly, a complex ordered/disordered structure of chitosan hydrogel can be regulated with high fidelity by programming the input electrical signals.
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Affiliation(s)
- Jun Tong
- School of Resource and Environmental Science, Hubei Engineering Center of Natural Polymers-Based Medical Materials, Hubei Biomass-Resource Chemistry and Environmental Biotechnology Key Laboratory, Wuhan University, Wuhan 430079, China.
| | - Chen Yang
- School of Resource and Environmental Science, Hubei Engineering Center of Natural Polymers-Based Medical Materials, Hubei Biomass-Resource Chemistry and Environmental Biotechnology Key Laboratory, Wuhan University, Wuhan 430079, China.
| | - Luhe Qi
- School of Resource and Environmental Science, Hubei Engineering Center of Natural Polymers-Based Medical Materials, Hubei Biomass-Resource Chemistry and Environmental Biotechnology Key Laboratory, Wuhan University, Wuhan 430079, China.
| | - Jingxian Zhang
- School of Resource and Environmental Science, Hubei Engineering Center of Natural Polymers-Based Medical Materials, Hubei Biomass-Resource Chemistry and Environmental Biotechnology Key Laboratory, Wuhan University, Wuhan 430079, China.
| | - Hongbing Deng
- School of Resource and Environmental Science, Hubei Engineering Center of Natural Polymers-Based Medical Materials, Hubei Biomass-Resource Chemistry and Environmental Biotechnology Key Laboratory, Wuhan University, Wuhan 430079, China.
| | - Yumin Du
- School of Resource and Environmental Science, Hubei Engineering Center of Natural Polymers-Based Medical Materials, Hubei Biomass-Resource Chemistry and Environmental Biotechnology Key Laboratory, Wuhan University, Wuhan 430079, China.
| | - Xiaowen Shi
- School of Resource and Environmental Science, Hubei Engineering Center of Natural Polymers-Based Medical Materials, Hubei Biomass-Resource Chemistry and Environmental Biotechnology Key Laboratory, Wuhan University, Wuhan 430079, China.
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9
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Jian Y, Yang C, Zhang J, Qi L, Shi X, Deng H, Du Y. One-step electrodeposition of Janus chitosan coating for metallic implants with anti-corrosion properties. Colloids Surf A Physicochem Eng Asp 2022. [DOI: 10.1016/j.colsurfa.2022.128498] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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10
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Guo X, Huang W, Tong J, Chen L, Shi X. One-step programmable electrofabrication of chitosan asymmetric hydrogels with 3D shape deformation. Carbohydr Polym 2022; 277:118888. [PMID: 34893290 DOI: 10.1016/j.carbpol.2021.118888] [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: 07/29/2021] [Revised: 11/09/2021] [Accepted: 11/09/2021] [Indexed: 11/02/2022]
Abstract
Programmable asymmetric hydrogels with tunable structure/shape or physical/chemical properties in response to external stimuli show particular significance in smart systems, but there is lack of simple, rapid, and cheap strategy to design such hydrogel systems. Herein, we report a one-step electrodeposition method to construct chitosan asymmetric hydrogels with tunable thickness and pore size that can be conveniently modulated by the process parameters. Our approach greatly simplifies the process of hydrogel preparation with complex shapes and asymmetric structure organization. The formation mechanism of asymmetric structure has been proposed, based on gelation behavior and entanglement of chitosan chains in the hydrogel-solution system under the electric field. By changing the shape of the electrodes, hydrogels with the morphology of strip, tube, flower, etc. can be obtained precisely and conveniently. They can perform programmable 2D to 3D smart dynamic deformation under pH and metal ions stimulation, indicating the broad application potential in soft robot and biosensor areas.
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Affiliation(s)
- Xiaojia Guo
- School of Resource and Environmental Science, Hubei International Scientific and Technological Cooperation Base of Sustainable Resource and Energy, Hubei Engineering Center of Natural Polymers-Based Medical Materials, Hubei Biomass-Resource Chemistry and Environmental Biotechnology Key Laboratory, Wuhan University, Wuhan 430079, China; Department of Agricultural, Food & Nutritional Science, University of Alberta, Edmonton, AB T6G 2P5, Canada
| | - Weijuan Huang
- Department of Agricultural, Food & Nutritional Science, University of Alberta, Edmonton, AB T6G 2P5, Canada; College of Food Science, South China Agricultural University, Guangzhou 510642, China
| | - Jun Tong
- School of Resource and Environmental Science, Hubei International Scientific and Technological Cooperation Base of Sustainable Resource and Energy, Hubei Engineering Center of Natural Polymers-Based Medical Materials, Hubei Biomass-Resource Chemistry and Environmental Biotechnology Key Laboratory, Wuhan University, Wuhan 430079, China
| | - Lingyun Chen
- Department of Agricultural, Food & Nutritional Science, University of Alberta, Edmonton, AB T6G 2P5, Canada
| | - Xiaowen Shi
- School of Resource and Environmental Science, Hubei International Scientific and Technological Cooperation Base of Sustainable Resource and Energy, Hubei Engineering Center of Natural Polymers-Based Medical Materials, Hubei Biomass-Resource Chemistry and Environmental Biotechnology Key Laboratory, Wuhan University, Wuhan 430079, China.
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11
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Ra’il NH, Saputro AG, Ataollahi N, Ahmad A, Mobarak NN. The role of disaccharides as a plasticizer in improving the interaction between chitosan chain based solid polymer electrolytes (SPEs). NEW J CHEM 2022. [DOI: 10.1039/d1nj05735a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
This study proved the potential of disaccharides as plasticisers for polymer electrolyte system-based chitosan as they can increase the flexibility of chitosan molecular chains, thus enhancing the conductivity and dissociation of ions.
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Affiliation(s)
- Nur Hani Ra’il
- Department of Chemical Sciences, Faculty of Science and Technology, Universiti Kebangsaan Malaysia, 43600 Bangi, Selangor, Malaysia
| | - Adhitya Gandaryus Saputro
- Advanced Functional Materials Research Group, Faculty of Industrial Technology, Institut Teknologi Bandung, Jl. Ganesha 10, Bandung 40132, Indonesia
- Research Center for Nanosciences and Nanotechnology, Institut Teknologi Bandung, Jl. Ganesha 10, Bandung 40132, Indonesia
| | - Narges Ataollahi
- Department of Civil, Environmental and Mechanical Engineering, University of Trento, Via Mesiano 77, 38123, Trento, Italy
| | - Azizan Ahmad
- Department of Chemical Sciences, Faculty of Science and Technology, Universiti Kebangsaan Malaysia, 43600 Bangi, Selangor, Malaysia
- Department of Physics, Faculty of Science and Technology, Universitas Airlangga, Campus Mulyorejo, Surabaya 60115, Indonesia
| | - Nadhratun Naiim Mobarak
- Department of Chemical Sciences, Faculty of Science and Technology, Universiti Kebangsaan Malaysia, 43600 Bangi, Selangor, Malaysia
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12
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Visan RM, Leonties AR, Aricov L, Chihaia V, Angelescu DG. Polymorphism of chitosan-based networks stabilized by phytate investigated by molecular dynamics simulations. Phys Chem Chem Phys 2021; 23:22601-22612. [PMID: 34591050 DOI: 10.1039/d1cp02961d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Chitosan can associate in the presence of polyphosphates into insoluble hydrogels capable of drug encapsulation and safe and efficient release. On the one hand, chitosan hydrogels were synthesized using the phytate anion as a crosslinking agent and were characterized by employing dynamic light scattering (DLS) and Fourier transform infrared spectroscopy (FTIR). On the other hand, an effective chitosan-phytate model with atomistic details was created to examine the underlying physical crosslinking pattern, and the structure and dynamics of the chitosan-phytate complex were systematically investigated by using molecular dynamics (MD) simulations. To harbor the crosslinker potential for obtaining chitosan-based hydrogels, the impact of the phytate concentration and the functional groups of the chitosan on the reticulation process was addressed. The phytate association was determined by the phosphates' capacity for H-bonding to the amine and hydroxyl groups belonging to two consecutive glucosidic units. The physical crosslinking pattern was determined by the number of chitosan chains bound by one phytate anion and the phytate orientation relative to the glucopyranose neighbors. Cross-linking of two up to six chitosan chains mediated by a phytate anion represented favorable states, and the number distribution of cross-linked chains depended on the phytate concentration. The circular distribution of the cross-linkable phosphates regulated the nearly isotropic orientation of the chitosan chains and phytate at the junction, and the variety of topological crosslinking demonstrated the phytate ion's potential for developing chitosan-based hydrogels with improved structural attributes.
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Affiliation(s)
- Raluca M Visan
- Romanian Academy, "Ilie Murgulescu" Institute of Physical Chemistry, Splaiul Independentei 202, 060021 Bucharest, Romania.
| | - Anca R Leonties
- Romanian Academy, "Ilie Murgulescu" Institute of Physical Chemistry, Splaiul Independentei 202, 060021 Bucharest, Romania.
| | - Ludmila Aricov
- Romanian Academy, "Ilie Murgulescu" Institute of Physical Chemistry, Splaiul Independentei 202, 060021 Bucharest, Romania.
| | - Viorel Chihaia
- Romanian Academy, "Ilie Murgulescu" Institute of Physical Chemistry, Splaiul Independentei 202, 060021 Bucharest, Romania.
| | - Daniel G Angelescu
- Romanian Academy, "Ilie Murgulescu" Institute of Physical Chemistry, Splaiul Independentei 202, 060021 Bucharest, Romania.
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13
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Vázquez-González M, Willner I. Stimuli-Responsive Biomolecule-Based Hydrogels and Their Applications. Angew Chem Int Ed Engl 2020; 59:15342-15377. [PMID: 31730715 DOI: 10.1002/anie.201907670] [Citation(s) in RCA: 184] [Impact Index Per Article: 46.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2019] [Revised: 10/10/2019] [Indexed: 12/16/2022]
Abstract
This Review presents polysaccharides, oligosaccharides, nucleic acids, peptides, and proteins as functional stimuli-responsive polymer scaffolds that yield hydrogels with controlled stiffness. Different physical or chemical triggers can be used to structurally reconfigure the crosslinking units and control the stiffness of the hydrogels. The integration of stimuli-responsive supramolecular complexes and stimuli-responsive biomolecular units as crosslinkers leads to hybrid hydrogels undergoing reversible triggered transitions across different stiffness states. Different applications of stimuli-responsive biomolecule-based hydrogels are discussed. The assembly of stimuli-responsive biomolecule-based hydrogel films on surfaces and their applications are discussed. The coating of drug-loaded nanoparticles with stimuli-responsive hydrogels for controlled drug release is also presented.
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Affiliation(s)
| | - Itamar Willner
- Institute of Chemistry, Hebrew University of Jerusalem, Jerusalem, 91904, Israel
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14
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Vázquez‐González M, Willner I. Stimuliresponsive, auf Biomolekülen basierende Hydrogele und ihre Anwendungen. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.201907670] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
| | - Itamar Willner
- Institute of Chemistry Hebrew University of Jerusalem Jerusalem 91904 Israel
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15
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Mahinthichaichan P, Tsai CC, Payne GF, Shen J. Polyelectrolyte in Electric Field: Disparate Conformational Behavior along an Aminopolysaccharide Chain. ACS OMEGA 2020; 5:12016-12026. [PMID: 32548380 PMCID: PMC7271050 DOI: 10.1021/acsomega.0c00164] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/13/2020] [Accepted: 05/11/2020] [Indexed: 05/12/2023]
Abstract
Electrical signals are increasingly used in fabrication of hydrogels (e.g., based on aminopolysaccharide chitosan) to guide the emergence of complex and anisotropic structure; however, how an imposed electric field affects the polymer chain conformation and orientation during the self-assembly process is not understood. Here, we applied nonequilibrium all-atom molecular dynamics simulations to explore the response of a charged chitosan chain comprising 5- or 20-monomer units to a constant uniform electric field in water and salt solution. While no conformational or orientational response was observed for the polyelectrolyte (PE) chains under the small electric fields within the simulation time, a field strength of 400 mV/nm induced significant changes. In water, a 5-mer chain is found to be slightly bent and oriented parallel to the field; however, surprisingly, a 20-mer chain displays candy-cane-like conformations whereby one half of the chain is collapsed and flexible, while the other half of the chain is stretched along the electric field. In salt solution, the disparity remains between the two halves of the 20-mer chain, although the backbone is extremely flexible with multiple bent regions and non-native conformations occur near the chain center in one of the three trajectories. The disparate conformational response along the polyelectrolyte chain may be attributed to the balancing forces between chain dynamics, electric polarization, counterion binding, and hydrodynamic pressure as well as friction. These findings reconcile existing experiments and theoretical studies and represent an important step toward understanding the complex roles of electric field and salt in controlling the structure and properties of soft matter.
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Affiliation(s)
- Paween Mahinthichaichan
- Department
of Pharmaceutical Sciences, University of
Maryland School of Pharmacy, Baltimore, Maryland 21201, United States
| | - Cheng-Chieh Tsai
- Department
of Pharmaceutical Sciences, University of
Maryland School of Pharmacy, Baltimore, Maryland 21201, United States
| | - Gregory F. Payne
- Institute
for Bioscience and Biotechnology Research, University of Maryland, College
Park, Massachusetts 20742, United States
| | - Jana Shen
- Department
of Pharmaceutical Sciences, University of
Maryland School of Pharmacy, Baltimore, Maryland 21201, United States
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16
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Geng Q, Zhang C, Zheng K, Zhang J, Cheng J, Yang W. Preparation and Properties of a Self-Healing, Multiresponsive Color-Change Hydrogel. Ind Eng Chem Res 2020. [DOI: 10.1021/acs.iecr.0c00219] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Qiangwang Geng
- Key Laboratory of Carbon Fiber and Functional Polymers, Ministry of Education, Beijing University of Chemical Technology, Beijing 100029, P. R. China
| | - Chong Zhang
- State Key Laboratory of Advanced Power Transmission Technology, State Grid Global Energy Interconnection Research Institute, Beijing 102211, P. R. China
| | - Kaiwen Zheng
- Key Laboratory of Carbon Fiber and Functional Polymers, Ministry of Education, Beijing University of Chemical Technology, Beijing 100029, P. R. China
| | - Junying Zhang
- Key Laboratory of Carbon Fiber and Functional Polymers, Ministry of Education, Beijing University of Chemical Technology, Beijing 100029, P. R. China
| | - Jue Cheng
- Key Laboratory of Carbon Fiber and Functional Polymers, Ministry of Education, Beijing University of Chemical Technology, Beijing 100029, P. R. China
| | - Wei Yang
- State Key Laboratory of Advanced Power Transmission Technology, State Grid Global Energy Interconnection Research Institute, Beijing 102211, P. R. China
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17
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Wu S, Yan K, Li J, Huynh RN, Raub CB, Shen J, Shi X, Payne GF. Electrical cuing of chitosan's mesoscale organization. REACT FUNCT POLYM 2020. [DOI: 10.1016/j.reactfunctpolym.2020.104492] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
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18
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Production of low molecular weight chitosan by acid and oxidative pathways: Effect on physicochemical properties. Food Res Int 2019; 123:88-94. [DOI: 10.1016/j.foodres.2019.04.051] [Citation(s) in RCA: 37] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2019] [Revised: 04/13/2019] [Accepted: 04/22/2019] [Indexed: 12/17/2022]
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19
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Li J, Wu S, Kim E, Yan K, Liu H, Liu C, Dong H, Qu X, Shi X, Shen J, Bentley WE, Payne GF. Electrobiofabrication: electrically based fabrication with biologically derived materials. Biofabrication 2019; 11:032002. [PMID: 30759423 PMCID: PMC7025432 DOI: 10.1088/1758-5090/ab06ea] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
While conventional material fabrication methods focus on form and strength to achieve function, the fabrication of material systems for emerging life science applications will need to satisfy a more subtle set of requirements. A common goal for biofabrication is to recapitulate complex biological contexts (e.g. tissue) for applications that range from animal-on-a-chip to regenerative medicine. In these cases, the material systems will need to: (i) present appropriate surface functionalities over a hierarchy of length scales (e.g. molecular features that enable cell adhesion and topographical features that guide differentiation); (ii) provide a suite of mechanobiological cues that promote the emergence of native-like tissue form and function; and (iii) organize structure to control cellular ingress and molecular transport, to enable the development of an interconnected cellular community that is engaged in cell signaling. And these requirements are not likely to be static but will vary over time and space, which will require capabilities of the material systems to dynamically respond, adapt, heal and reconfigure. Here, we review recent advances in the use of electrically based fabrication methods to build material systems from biological macromolecules (e.g. chitosan, alginate, collagen and silk). Electrical signals are especially convenient for fabrication because they can be controllably imposed to promote the electrophoresis, alignment, self-assembly and functionalization of macromolecules to generate hierarchically organized material systems. Importantly, this electrically based fabrication with biologically derived materials (i.e. electrobiofabrication) is complementary to existing methods (photolithographic and printing), and enables access to the biotechnology toolbox (e.g. enzymatic-assembly and protein engineering, and gene expression) to offer exquisite control of structure and function. We envision that electrobiofabrication will emerge as an important platform technology for organizing soft matter into dynamic material systems that mimic biology's complexity of structure and versatility of function.
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Affiliation(s)
- Jinyang Li
- Institute for Bioscience and Biotechnology Research, University of Maryland, College Park, United States of America
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20
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Fujisaki T, Kashima K, Hagiri M, Imai M. Isothermal Adsorption Behavior of Cesium Ions in a Novel Chitosan‐Prussian Blue‐Based Membrane. Chem Eng Technol 2019. [DOI: 10.1002/ceat.201800603] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Affiliation(s)
- Tomoyuki Fujisaki
- National Institute of Technology, Oyama CollegeDepartment of Materials Chemistry and Bioengineering 771 Ohaza-Nakakuki 323-0806 Oyama, Tochigi Japan
| | - Keita Kashima
- National Institute of Technology, Oyama CollegeDepartment of Materials Chemistry and Bioengineering 771 Ohaza-Nakakuki 323-0806 Oyama, Tochigi Japan
| | - Masahide Hagiri
- National Institute of Technology, Fukushima CollegeDepartment of Applied Chemistry and Biochemistry 30 Nagao, Kamiarakawa, Taira, Iwaki 970-8034 Fukushima Japan
| | - Masanao Imai
- Nihon UniversityGraduate School of Bioresource Sciences 1866, Kameino, Fujisawa 252-0880 Kanagawa Japan
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21
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Franconetti A, Carnerero JM, Prado-Gotor R, Cabrera-Escribano F, Jaime C. Chitosan as a capping agent: Insights on the stabilization of gold nanoparticles. Carbohydr Polym 2019; 207:806-814. [DOI: 10.1016/j.carbpol.2018.12.046] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2018] [Revised: 12/12/2018] [Accepted: 12/16/2018] [Indexed: 01/17/2023]
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22
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Nordin N, Bordonali L, Badilita V, MacKinnon N. Spatial and Temporal Control Over Multilayer Bio‐Polymer Film Assembly and Composition. Macromol Biosci 2019; 19:e1800372. [DOI: 10.1002/mabi.201800372] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2018] [Revised: 12/30/2018] [Indexed: 11/08/2022]
Affiliation(s)
- Nurdiana Nordin
- NMR Spectroscopy for Metabolomics and Signalling GroupInstitute of Microstructure TechnologyKarlsruhe Institute of Technology Eggenstein‐Leopoldshafen 76344 Germany
| | - Lorenzo Bordonali
- NMR Spectroscopy for Metabolomics and Signalling GroupInstitute of Microstructure TechnologyKarlsruhe Institute of Technology Eggenstein‐Leopoldshafen 76344 Germany
| | - Vlad Badilita
- Spin & Photon Applications LabInstitute of Microstructure TechnologyKarlsruhe Institute of Technology Eggenstein‐Leopoldshafen 76344 Germany
| | - Neil MacKinnon
- Spin & Photon Applications LabInstitute of Microstructure TechnologyKarlsruhe Institute of Technology Eggenstein‐Leopoldshafen 76344 Germany
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23
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Alegre-Requena JV, Saldías C, Inostroza-Rivera R, Díaz Díaz D. Understanding hydrogelation processes through molecular dynamics. J Mater Chem B 2019; 7:1652-1673. [DOI: 10.1039/c8tb03036g] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
Molecular dynamics (MD) is currently one of the preferred techniques employed to understand hydrogelation processes for its ability to include large amounts of atoms in computational calculations, since substantial amounts of solvent molecules are involved in gel formation.
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Affiliation(s)
| | - César Saldías
- Departamento de Química Física
- Facultad de Química y de Farmacia
- Pontificia Universidad Católica de Chile
- Macul
- Chile
| | | | - David Díaz Díaz
- Institut für Organische Chemie
- Universität Regensburg
- 93053 Regensburg
- Germany
- Instituto de Productos Naturales y Agrobiología del CSIC
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24
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Chen M, Runge T, Wang L, Li R, Feng J, Shu XL, Shi QS. Hydrogen bonding impact on chitosan plasticization. Carbohydr Polym 2018; 200:115-121. [DOI: 10.1016/j.carbpol.2018.07.062] [Citation(s) in RCA: 38] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2018] [Revised: 06/08/2018] [Accepted: 07/19/2018] [Indexed: 10/28/2022]
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25
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Jo S, Myatt D, Qi Y, Doutch J, Clifton LA, Im W, Widmalm G. Multiple Conformational States Contribute to the 3D Structure of a Glucan Decasaccharide: A Combined SAXS and MD Simulation Study. J Phys Chem B 2018; 122:1169-1175. [DOI: 10.1021/acs.jpcb.7b11085] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Sunhwan Jo
- Leadership
Computing Facility, Argonne National Laboratory, 9700 Cass Avenue, Argonne 60439, Illinois, United States
| | - Daniel Myatt
- ISIS
Pulsed Neutron and Muon Source, Science and Technology Facilities Council, Rutherford Appleton Laboratory, Harwell, Oxfordshire OX11
OQX, U.K
| | - Yifei Qi
- College
of Chemistry and Molecular Engineering, East China Normal University, Shanghai 200062, China
| | - James Doutch
- ISIS
Pulsed Neutron and Muon Source, Science and Technology Facilities Council, Rutherford Appleton Laboratory, Harwell, Oxfordshire OX11
OQX, U.K
| | - Luke A. Clifton
- ISIS
Pulsed Neutron and Muon Source, Science and Technology Facilities Council, Rutherford Appleton Laboratory, Harwell, Oxfordshire OX11
OQX, U.K
| | - Wonpil Im
- Department
of Biological Sciences and Bioengineering, Lehigh University, Bethlehem 18015, Pennsylvania, United States
| | - Göran Widmalm
- Department
of Organic Chemistry, Arrhenius Laboratory, Stockholm University, SE-106
91 Stockholm, Sweden
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26
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Yan K, Liu Y, Zhang J, Correa SO, Shang W, Tsai CC, Bentley WE, Shen J, Scarcelli G, Raub CB, Shi XW, Payne GF. Electrical Programming of Soft Matter: Using Temporally Varying Electrical Inputs To Spatially Control Self Assembly. Biomacromolecules 2017; 19:364-373. [PMID: 29244943 DOI: 10.1021/acs.biomac.7b01464] [Citation(s) in RCA: 36] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
The growing importance of hydrogels in translational medicine has stimulated the development of top-down fabrication methods, yet often these methods lack the capabilities to generate the complex matrix architectures observed in biology. Here we show that temporally varying electrical signals can cue a self-assembling polysaccharide to controllably form a hydrogel with complex internal patterns. Evidence from theory and experiment indicate that internal structure emerges through a subtle interplay between the electrical current that triggers self-assembly and the electrical potential (or electric field) that recruits and appears to orient the polysaccharide chains at the growing gel front. These studies demonstrate that short sequences (minutes) of low-power (∼1 V) electrical inputs can provide the program to guide self-assembly that yields hydrogels with stable, complex, and spatially varying structure and properties.
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Affiliation(s)
- Kun Yan
- School of Resource and Environmental Science, Hubei International Scientific and Technological Cooperation Base of Sustainable Resource and Energy, Wuhan University , Wuhan 430079, China
| | - Yi Liu
- Institute for Bioscience and Biotechnology Research, University of Maryland College Park , College Park, Maryland 20742, United States.,Fischell Department of Bioengineering, University of Maryland College Park , College Park, Maryland 20742, United States
| | - Jitao Zhang
- Fischell Department of Bioengineering, University of Maryland College Park , College Park, Maryland 20742, United States
| | - Santiago O Correa
- Department of Biomedical Engineering, The Catholic University of America , Washington, D.C. 20064, United States
| | - Wu Shang
- Fischell Department of Bioengineering, University of Maryland College Park , College Park, Maryland 20742, United States
| | - Cheng-Chieh Tsai
- Department of Pharmaceutical Sciences, University of Maryland School of Pharmacy , Baltimore, Maryland 21201, United States
| | - William E Bentley
- Institute for Bioscience and Biotechnology Research, University of Maryland College Park , College Park, Maryland 20742, United States.,Fischell Department of Bioengineering, University of Maryland College Park , College Park, Maryland 20742, United States
| | - Jana Shen
- Department of Pharmaceutical Sciences, University of Maryland School of Pharmacy , Baltimore, Maryland 21201, United States
| | - Giuliano Scarcelli
- Fischell Department of Bioengineering, University of Maryland College Park , College Park, Maryland 20742, United States
| | - Christopher B Raub
- Department of Biomedical Engineering, The Catholic University of America , Washington, D.C. 20064, United States
| | - Xiao-Wen Shi
- School of Resource and Environmental Science, Hubei International Scientific and Technological Cooperation Base of Sustainable Resource and Energy, Wuhan University , Wuhan 430079, China
| | - Gregory F Payne
- Institute for Bioscience and Biotechnology Research, University of Maryland College Park , College Park, Maryland 20742, United States.,Fischell Department of Bioengineering, University of Maryland College Park , College Park, Maryland 20742, United States
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