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Bulycheva V, Kolios MC, Karshafian R. Interaction of ultrasonically driven bubble with a soft tissue-like boundary. ULTRASONICS 2024; 142:107374. [PMID: 38875881 DOI: 10.1016/j.ultras.2024.107374] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/07/2024] [Revised: 05/13/2024] [Accepted: 06/05/2024] [Indexed: 06/16/2024]
Abstract
This study investigates the size-dependent dynamics of bubbles and their interaction with soft boundaries under various ultrasound (US) conditions. We found that bubble behavior is influenced by size, with smaller bubbles displaying reduced inertial motion in similar ultrasound environments. Detailed analyses of three bubble sizes (1.5 µm, 15 µm, and 150 µm) next to a soft 1 kPa boundary revealed distinct patterns in radial oscillation, bubble center displacement, and boundary deflection for different ultrasound frequencies (5 kHz - 4 MHz). The smallest bubble maintained a spherical shape, while the largest experienced significant shape changes, indicative of impending jet formation. Investigating interactions at various frequencies highlighted the collapse tendency of the larger bubbles, showcasing maximum radial amplitude, displacement, and bubble wall velocity around its natural frequency. The presence of a soft boundary minimally affected radial amplitude and velocity, while the bubble displacement was contingent on the soft boundary modulus. Furthermore, boundary responses demonstrated that softer boundaries experienced less stress during bubble oscillations, exhibiting sharper peaks at resonance frequencies for larger bubbles. These findings provide valuable insights into optimizing ultrasound conditions for a variety of applications, highlighting the influence of bubble size and boundary properties on outcomes.
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Affiliation(s)
- Victoria Bulycheva
- Department of Physics, Toronto Metropolitan University, Toronto, Ontario M5B 2K3, Canada; Institute for Biomedical Engineering, Science and Technology (iBEST), A Partnership Between Toronto Metropolitan University and St. Michael's Hospital, 209 Victoria Street, Toronto, Ontario M5B 1T8, Canada; Keenan Research Centre for Biomedical Science, Unity Health Toronto, 209 Victoria Street, Toronto, Ontario M5B 1W8, Canada
| | - Michael C Kolios
- Department of Physics, Toronto Metropolitan University, Toronto, Ontario M5B 2K3, Canada; Institute for Biomedical Engineering, Science and Technology (iBEST), A Partnership Between Toronto Metropolitan University and St. Michael's Hospital, 209 Victoria Street, Toronto, Ontario M5B 1T8, Canada; Keenan Research Centre for Biomedical Science, Unity Health Toronto, 209 Victoria Street, Toronto, Ontario M5B 1W8, Canada.
| | - Raffi Karshafian
- Department of Physics, Toronto Metropolitan University, Toronto, Ontario M5B 2K3, Canada; Institute for Biomedical Engineering, Science and Technology (iBEST), A Partnership Between Toronto Metropolitan University and St. Michael's Hospital, 209 Victoria Street, Toronto, Ontario M5B 1T8, Canada; Keenan Research Centre for Biomedical Science, Unity Health Toronto, 209 Victoria Street, Toronto, Ontario M5B 1W8, Canada.
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2
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Lou L, Rubinsky B. Temperature-Controlled 3D Cryoprinting Inks Made of Mixtures of Alginate and Agar. Gels 2023; 9:689. [PMID: 37754370 PMCID: PMC10530365 DOI: 10.3390/gels9090689] [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: 06/14/2023] [Revised: 08/20/2023] [Accepted: 08/24/2023] [Indexed: 09/28/2023] Open
Abstract
Temperature-controlled 3D cryoprinting (TCC) is an emerging tissue engineering technology aimed at overcoming limitations of conventional 3D printing for large organs: (a) size constraints due to low print rigidity and (b) the preservation of living cells during printing and subsequent tissue storage. TCC addresses these challenges by freezing each printed voxel with controlled cooling rates during deposition. This generates a rigid structure upon printing and ensures cell cryopreservation as an integral part of the process. Previous studies used alginate-based ink, which has limitations: (a) low diffusivity of the CaCl2 crosslinker during TCC's crosslinking process and (b) typical loss of print fidelity with alginate ink. This study explores the use of an ink made of agar and alginate to overcome TCC protocol limitations. When an agar/alginate voxel is deposited, agar first gels at above-freezing temperatures, capturing the desired structure without compromising fidelity, while alginate remains uncrosslinked. During subsequent freezing, both frozen agar and alginate maintain the structure. However, agar gel loses its gel form and water-retaining ability. In TCC, alginate crosslinking occurs by immersing the frozen structure in a warm crosslinking bath. This enables CaCl2 diffusion into the crosslinked alginate congruent with the melting process. Melted agar domains, with reduced water-binding ability, enhance crosslinker diffusivity, reducing TCC procedure duration. Additionally, agar overcomes the typical fidelity loss associated with alginate ink printing.
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Affiliation(s)
- Leo Lou
- Department of Bioengineering, University of California Berkeley, Berkeley, CA 94720, USA;
| | - Boris Rubinsky
- Department of Bioengineering, University of California Berkeley, Berkeley, CA 94720, USA;
- Department of Mechanical Engineering, University of California Berkeley, Berkeley, CA 94720, USA
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3
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Kunwar P, Andrada BL, Poudel A, Xiong Z, Aryal U, Geffert ZJ, Poudel S, Fougnier D, Gitsov I, Soman P. Printing Double-Network Tough Hydrogels Using Temperature-Controlled Projection Stereolithography (TOPS). ACS APPLIED MATERIALS & INTERFACES 2023. [PMID: 37319377 DOI: 10.1021/acsami.3c04661] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/17/2023]
Abstract
We report a new method to shape double-network (DN) hydrogels into customized 3D structures that exhibit superior mechanical properties in both tension and compression. A one-pot prepolymer formulation containing photo-cross-linkable acrylamide and thermoreversible sol-gel κ-carrageenan with a suitable cross-linker and photoinitiators/absorbers is optimized. A new TOPS system is utilized to photopolymerize the primary acrylamide network into a 3D structure above the sol-gel transition of κ-carrageenan (80 °C), while cooling down generates the secondary physical κ-carrageenan network to realize tough DN hydrogel structures. 3D structures, printed with high lateral (37 μm) and vertical (180 μm) resolutions and superior 3D design freedoms (internal voids), exhibit ultimate stress and strain of 200 kPa and 2400%, respectively, under tension and simultaneously exhibit a high compression stress of 15 MPa with a strain of 95%, both with high recovery rates. The roles of swelling, necking, self-healing, cyclic loading, dehydration, and rehydration on the mechanical properties of printed structures are also investigated. To demonstrate the potential of this technology to make mechanically reconfigurable flexible devices, we print an axicon lens and show that a Bessel beam can be dynamically tuned via user-defined tensile stretching of the device. This technique can be broadly applied to other hydrogels to make novel smart multifunctional devices for a range of applications.
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Affiliation(s)
- Puskal Kunwar
- Biomedical and Chemical Engineering Department, Syracuse University, Syracuse, New York 13210, United States
- BioInspired Institute, Syracuse, New York 13210, United States
| | - Bianca Louise Andrada
- Biomedical and Chemical Engineering Department, Syracuse University, Syracuse, New York 13210, United States
- BioInspired Institute, Syracuse, New York 13210, United States
| | - Arun Poudel
- Biomedical and Chemical Engineering Department, Syracuse University, Syracuse, New York 13210, United States
- BioInspired Institute, Syracuse, New York 13210, United States
| | - Zheng Xiong
- Biomedical and Chemical Engineering Department, Syracuse University, Syracuse, New York 13210, United States
- BioInspired Institute, Syracuse, New York 13210, United States
| | - Ujjwal Aryal
- Biomedical and Chemical Engineering Department, Syracuse University, Syracuse, New York 13210, United States
- BioInspired Institute, Syracuse, New York 13210, United States
| | - Zachary J Geffert
- Biomedical and Chemical Engineering Department, Syracuse University, Syracuse, New York 13210, United States
- BioInspired Institute, Syracuse, New York 13210, United States
| | - Sajag Poudel
- Department of Mechanical and Aerospace Engineering, Syracuse University, Syracuse, New York 13244, United States
| | - Daniel Fougnier
- Biomedical and Chemical Engineering Department, Syracuse University, Syracuse, New York 13210, United States
| | - Ivan Gitsov
- BioInspired Institute, Syracuse, New York 13210, United States
- Department of Chemistry, State University of New York ESF, Syracuse, New York 13210, United States
- The Michael M. Szwarc Polymer Research Institute, Syracuse, New York 13210, United States
| | - Pranav Soman
- Biomedical and Chemical Engineering Department, Syracuse University, Syracuse, New York 13210, United States
- BioInspired Institute, Syracuse, New York 13210, United States
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4
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Influence of Cross-Linking Conditions on Drying Kinetics of Alginate Hydrogel. Gels 2023; 9:gels9010063. [PMID: 36661829 PMCID: PMC9858758 DOI: 10.3390/gels9010063] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2022] [Revised: 01/04/2023] [Accepted: 01/06/2023] [Indexed: 01/15/2023] Open
Abstract
Hydrogels are three-dimensional cross-linked polymeric networks capable of a large amount of fluid retention in their structure. Hydrogel outputs manufactured using additive manufacturing technologies are exposed to water loss, which may change their original shape and dimensions. Therefore, the possibility of retaining water is important in such a structure. In this manuscript, kinetic analysis of water evaporation from sodium alginate-based hydrogels exposed to different environmental conditions such as different temperatures (7 and 23 °C) and ambient humidity (45, 50 and 95%) has been carried out. The influence of the cross-linking method (different calcium chloride concentration-0.05, 0.1 and 0.5 M) of sodium alginate and cross-linking time on the water loss was also considered. Studies have shown that a decrease in the temperature and increase in the storage humidity can have a positive effect on the water retention in the structure. The storage conditions that led to the least weight and volume loss were T 7 °C and 95% humidity. These experiments may help in selecting the appropriate hydrogel preparation method for future applications, as well as their storage conditions for minimum water loss and, consequently, the least change in dimensions and shape.
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Mandal S, Nagi GK, Corcoran AA, Agrawal R, Dubey M, Hunt RW. Algal polysaccharides for 3D printing: A review. Carbohydr Polym 2022; 300:120267. [DOI: 10.1016/j.carbpol.2022.120267] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2022] [Revised: 10/11/2022] [Accepted: 10/23/2022] [Indexed: 11/02/2022]
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Kunwar P, Ransbottom MJ, Soman P. Three-Dimensional Printing of Double-Network Hydrogels: Recent Progress, Challenges, and Future Outlook. 3D PRINTING AND ADDITIVE MANUFACTURING 2022; 9:435-449. [PMID: 36660293 PMCID: PMC9590348 DOI: 10.1089/3dp.2020.0239] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/04/2023]
Abstract
Hydrogels are widely used materials due to their biocompatibility, their ability to mimic the hydrated and porous extracellular microenvironment, as well as their ability to tune both mechanical and biochemical properties. However, most hydrogels lack mechanical toughness, and shaping them into complicated three-dimensional (3D) structures remains challenging. In the past decade, tough and stretchable double-network hydrogels (DN gels) were developed for tissue engineering, soft robotics, and applications that require a combination of high-energy dissipation and large deformations. Although DN gels were processed into simple shapes by using conventional casting and molding methods, new 3D printing methods have enabled the shaping of DN gels into structurally complex 3D geometries. This review will describe the state-of-art technologies for shaping tough and stretchable DN gels into custom geometries by using conventional molding and casting, extrusion, and optics-based 3D printing, as well as the key challenges and future outlook in this field.
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Affiliation(s)
- Puskal Kunwar
- Department of Chemical and Bioengineering, Syracuse University, Syracuse, New York, USA
| | - Mark James Ransbottom
- Department of Chemical and Bioengineering, Syracuse University, Syracuse, New York, USA
| | - Pranav Soman
- Department of Chemical and Bioengineering, Syracuse University, Syracuse, New York, USA
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7
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Teoh JH, Abdul Shakoor FT, Wang CH. 3D Printing Methyl Cellulose Hydrogel Wound Dressings with Parameter Exploration Via Computational Fluid Dynamics Simulation. Pharm Res 2022; 39:281-294. [PMID: 35122209 DOI: 10.1007/s11095-021-03150-5] [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: 08/29/2021] [Accepted: 11/23/2021] [Indexed: 12/19/2022]
Abstract
PURPOSE To investigate and optimize the use of methyl cellulose in the fabrication of three-dimensional (3D) printed drug-loaded hydrogel wound dressings for the treatment of burns. METHOD The effects of incorporating various salts on the properties of methyl cellulose, especially the gelation temperature was investigated for methyl cellulose to undergo gelation at skin temperature (i.e., 31.7°C). The optimized methyl cellulose and salt compositions were then loaded with various drugs beneficial for the treatment of burns. Printability and cumulative release profiles for selected drugs were then obtained, which were then fitted to common release kinetic models. Computational Fluid Dynamics (CFD) simulation was also explored to investigate the relationship between printing parameters and the hydrogel filament produced during extrusion. RESULTS The printed hydrogels had moderate dimensional integrity, were found to be stable for up to 2 weeks and demonstrated good swelling properties. In vitro drug release studies of various drugs showed that the hydrogel was able to release various drugs within 6 h and release profiles were fitted to common in vitro drug release models, such as the Korsmeyer Peppas model and the Weibull model. While there were deviations from the actual printing process, CFD simulation was able to predict the shape of the printed structure and showed fair accuracy in determining the mass flow rate and line width of extruded hydrogels. CONCLUSIONS Methyl cellulose hydrogels with optimized salt composition demonstrated suitable properties for a wound dressing application, revealing its potential to be used for in situ wound dressing applications.
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Affiliation(s)
- Jia Heng Teoh
- Department of Chemical and Biomolecular Engineering, National University of Singapore, Singapore, 117585, Singapore
| | | | - Chi-Hwa Wang
- Department of Chemical and Biomolecular Engineering, National University of Singapore, Singapore, 117585, Singapore.
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Kamlow MA, Vadodaria S, Gholamipour-Shirazi A, Spyropoulos F, Mills T. 3D printing of edible hydrogels containing thiamine and their comparison to cast gels. Food Hydrocoll 2021. [DOI: 10.1016/j.foodhyd.2020.106550] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
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9
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Vadodaria SS, Warner E, Norton I, Mills TB. Thermoreversible gels – Optimisation of processing parameters in fused Deposition Modelling. Colloids Surf A Physicochem Eng Asp 2021. [DOI: 10.1016/j.colsurfa.2021.126399] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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10
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Guo Z, Dong L, Xia J, Mi S, Sun W. 3D Printing Unique Nanoclay-Incorporated Double-Network Hydrogels for Construction of Complex Tissue Engineering Scaffolds. Adv Healthc Mater 2021; 10:e2100036. [PMID: 33949152 DOI: 10.1002/adhm.202100036] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2021] [Revised: 03/26/2021] [Indexed: 12/26/2022]
Abstract
The development of new biomaterial inks with good structural formability and mechanical strength is critical to the fabrication of 3D tissue engineering scaffolds. For extrusion-based 3D printing, the resulting 3D constructs are essentially a sequential assembly of 1D filaments into 3D constructs. Inspired by this process, this paper reports the recent study on 3D printing of nanoclay-incorporated double-network (NIDN) hydrogels for the fabrication of 1D filaments and 3D constructs without extra assistance of support bath. The frequently used "house-of-cards" architectures formed by nanoclay are disintegrated in the NIDN hydrogels. However, nanoclay can act as physical crosslinkers to interact with polymer chains of methacrylated hyaluronic acid (HAMA) and alginate (Alg), which endows the hydrogel precursors with good structural formability. Various straight filaments, spring-like loops, and complex 3D constructs with high shape-fidelity and good mechanical strength are fabricated successfully. In addition, the NIDN hydrogel system can easily be transformed into a new type of magnetic responsive hydrogel used for 3D printing. The NIDN hydrogels also supported the growth of bone marrow mesenchymal stem cells and displayed potential calvarial defect repair functions.
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Affiliation(s)
- Zhongwei Guo
- Tsinghua Shenzhen International Graduate School Tsinghua University Shenzhen 518055 China
- Precision Medicine and Healthcare Research Center Tsinghua‐Berkeley Shenzhen Institute Tsinghua University Shenzhen 518055 China
| | - Lina Dong
- Precision Medicine and Healthcare Research Center Tsinghua‐Berkeley Shenzhen Institute Tsinghua University Shenzhen 518055 China
| | - Jingjing Xia
- Department of Mechanical Engineering and Mechanics Tsinghua University Beijing 100084 China
| | - Shengli Mi
- Tsinghua Shenzhen International Graduate School Tsinghua University Shenzhen 518055 China
| | - Wei Sun
- Tsinghua Shenzhen International Graduate School Tsinghua University Shenzhen 518055 China
- Precision Medicine and Healthcare Research Center Tsinghua‐Berkeley Shenzhen Institute Tsinghua University Shenzhen 518055 China
- Department of Mechanical Engineering and Mechanics Tsinghua University Beijing 100084 China
- Department of Mechanical Engineering Drexel University Philadelphia PA 19104 United States
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11
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Fuentes-Caparrós AM, Canales-Galarza Z, Barrow M, Dietrich B, Läuger J, Nemeth M, Draper ER, Adams DJ. Mechanical Characterization of Multilayered Hydrogels: A Rheological Study for 3D-Printed Systems. Biomacromolecules 2021; 22:1625-1638. [PMID: 33734666 PMCID: PMC8045019 DOI: 10.1021/acs.biomac.1c00078] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2021] [Revised: 03/05/2021] [Indexed: 12/04/2022]
Abstract
We describe rheological protocols to study layered and three-dimensional (3D)-printed gels. Our methods allow us to measure the properties at different depths and determine the contribution of each layer to the resulting combined properties of the gels. We show that there are differences when using different measuring systems for rheological measurement, which directly affects the resulting properties being measured. These methods allow us to measure the gel properties after printing, rather than having to rely on the assumption that there is no change in properties from a preprinted gel. We show that the rheological properties of fluorenylmethoxycarbonyl-diphenylalanine (FmocFF) gels are heavily influenced by the printing process.
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Affiliation(s)
| | - Zaloa Canales-Galarza
- School
of Chemistry, University of Glasgow, Glasgow G12 8QQ, U.K.
- Department
of Chemical Engineering, Faculty of Sciences, University of Granada, 18071 Granada, Spain
| | | | - Bart Dietrich
- School
of Chemistry, University of Glasgow, Glasgow G12 8QQ, U.K.
| | - Jörg Läuger
- Anton
Paar Germany, 73760 Ostfildern, Germany
| | | | - Emily R. Draper
- School
of Chemistry, University of Glasgow, Glasgow G12 8QQ, U.K.
| | - Dave J. Adams
- School
of Chemistry, University of Glasgow, Glasgow G12 8QQ, U.K.
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12
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Wu Q, Deng X, Wang S, Zeng L. Constrained Varying-Coefficient Model for Time-Course Experiments in Soft Tissue Fabrication. Technometrics 2021. [DOI: 10.1080/00401706.2020.1731604] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Affiliation(s)
- Qian Wu
- Department of Industrial and Systems Engineering, Texas A&M University, College Station, TX
| | - Xinwei Deng
- Department of Statistics, Virginia Tech, Blacksburg, VA
| | - Shiren Wang
- Department of Industrial and Systems Engineering, Texas A&M University, College Station, TX
| | - Li Zeng
- Department of Industrial and Systems Engineering, Texas A&M University, College Station, TX
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Zhao D, Liu Y, Liu B, Chen Z, Nian G, Qu S, Yang W. 3D Printing Method for Tough Multifunctional Particle-Based Double-Network Hydrogels. ACS APPLIED MATERIALS & INTERFACES 2021; 13:13714-13723. [PMID: 33720679 DOI: 10.1021/acsami.1c01413] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
3D printing of hydrogels finds widespread applications in biomedicine and engineering. Artificial cartilages and heart valves, tissue regeneration and soft robots, require high mechanical performance of complex structures. Although many tough hydrogels have been developed, complicated synthesis processes hinder their fabrication in 3D printing. Here, a strategy is proposed to formulate hydrogel inks, which can be printed into various strong and tough particle-based double-network (P-DN) hydrogels of arbitrary shapes without any rheological modifiers. These hydrogel inks consist of microgels and a hydrogel precursor. The microgels are individual highly cross-linked networks. They are prepared by swelling dried microparticles in the hydrogel precursor that consists of monomers, initiators, and cross-linkers. Microgels regulate the rheological properties of the hydrogel ink and enable the direct printing. After printing and curing, the precursor forms a sparsely cross-linked network that integrates the microgels, leading to a P-DN hydrogel. The proposed hydrogel inks allow 3D printing of multifunctional hydrogel structures with high mechanical performance and strong adhesion to diverse materials. This strategy will open new avenues to fabricate multifunctional devices in tissue engineering and soft robotics.
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Affiliation(s)
- Donghao Zhao
- State Key Laboratory of Fluid Power & Mechatronic System, Key Laboratory of Soft Machines and Smart Devices of Zhejiang Province, Center for X-Mechanics, Department of Engineering Mechanics, Zhejiang University, Hangzhou 310027, China
| | - Yide Liu
- State Key Laboratory of Fluid Power & Mechatronic System, Key Laboratory of Soft Machines and Smart Devices of Zhejiang Province, Center for X-Mechanics, Department of Engineering Mechanics, Zhejiang University, Hangzhou 310027, China
| | - Binhong Liu
- State Key Laboratory of Fluid Power & Mechatronic System, Key Laboratory of Soft Machines and Smart Devices of Zhejiang Province, Center for X-Mechanics, Department of Engineering Mechanics, Zhejiang University, Hangzhou 310027, China
| | - Zhe Chen
- State Key Laboratory of Fluid Power & Mechatronic System, Key Laboratory of Soft Machines and Smart Devices of Zhejiang Province, Center for X-Mechanics, Department of Engineering Mechanics, Zhejiang University, Hangzhou 310027, China
| | - Guodong Nian
- State Key Laboratory of Fluid Power & Mechatronic System, Key Laboratory of Soft Machines and Smart Devices of Zhejiang Province, Center for X-Mechanics, Department of Engineering Mechanics, Zhejiang University, Hangzhou 310027, China
| | - Shaoxing Qu
- State Key Laboratory of Fluid Power & Mechatronic System, Key Laboratory of Soft Machines and Smart Devices of Zhejiang Province, Center for X-Mechanics, Department of Engineering Mechanics, Zhejiang University, Hangzhou 310027, China
| | - Wei Yang
- State Key Laboratory of Fluid Power & Mechatronic System, Key Laboratory of Soft Machines and Smart Devices of Zhejiang Province, Center for X-Mechanics, Department of Engineering Mechanics, Zhejiang University, Hangzhou 310027, China
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Aldana AA, Houben S, Moroni L, Baker MB, Pitet LM. Trends in Double Networks as Bioprintable and Injectable Hydrogel Scaffolds for Tissue Regeneration. ACS Biomater Sci Eng 2021; 7:4077-4101. [DOI: 10.1021/acsbiomaterials.0c01749] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Ana A. Aldana
- Department of Complex Tissue Regeneration, MERLN Institute for Technology-Inspired Regenerative Medicine, Maastricht University, 6211 LK Maastricht, The Netherlands
| | - Sofie Houben
- Advanced Functional Polymers Group, Department of Chemistry, Institute for Materials Research (IMO), Hasselt University, Martelarenlaan 42, 3500 Hasselt, Belgium
| | - Lorenzo Moroni
- Department of Complex Tissue Regeneration, MERLN Institute for Technology-Inspired Regenerative Medicine, Maastricht University, 6211 LK Maastricht, The Netherlands
| | - Matthew B. Baker
- Department of Complex Tissue Regeneration, MERLN Institute for Technology-Inspired Regenerative Medicine, Maastricht University, 6211 LK Maastricht, The Netherlands
| | - Louis M. Pitet
- Advanced Functional Polymers Group, Department of Chemistry, Institute for Materials Research (IMO), Hasselt University, Martelarenlaan 42, 3500 Hasselt, Belgium
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15
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3D printed agar/ calcium alginate hydrogels with high shape fidelity and tailorable mechanical properties. POLYMER 2021. [DOI: 10.1016/j.polymer.2020.123238] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
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16
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Zhu S, Tong G, Xiang J, Qiu S, Yao Z, Zhou X, Lin L. Microstructure Analysis and Reconstruction of a Meniscus. Orthop Surg 2021; 13:306-313. [PMID: 33403835 PMCID: PMC7862168 DOI: 10.1111/os.12899] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/03/2020] [Revised: 11/01/2020] [Accepted: 11/22/2020] [Indexed: 11/27/2022] Open
Abstract
OBJECTIVE To analyze the characteristics of menicus microstructure and to reconstruct a microstructure-mimicing 3D model of the menicus. METHODS Human and sheep meniscus were collected and prepared for this study. Hematoxylin-eosin staining (HE) and Masson staining were conducted for histological analysis of the meniscus. For submicroscopic structure analysis, the meniscus was first freeze-dried and then scanned by scanning electron microscopy (SEM). The porosity of the meniscus was determined according to SEM images. A micro-MRI was used to scan each meniscus, immersed in distilled water, and a 3D digital model was reconstructed afterwards. A three-dimensional (3D) resin model was printed out based on the digital model. Before high-resolution micro-CT scanning, each meniscus was freeze-dried. Then, micro-scale two-dimensional (2D) CT projection images were obtained. The porosity of the meniscus was calculated according to micro-CT images. With micro-CT, multiple 2D projection images were collected. A 3D digital model based on 2D CT pictures was also reconstructed. The 3D digital model was exported as STL format. A 3D resin model was printed by 3D printer based on the 3D digital model. RESULTS As revealed in the HE and Masson images, a meniscus is mostly composed of collagen, with a few cells disseminated between the collagen fiber bundles at the micro-scale. The SEM image clearly shows the path of highly cross-linked collagen fibers, and massive pores exist between the fibers. According to the SEM images, the porosity of the meniscus was 34.1% (34.1% ± 0.032%) and the diameters of the collagen fibers were varied. In addition, the cross-linking pattern of the fibers was irregular. The scanning accuracy of micro-MRI was 50 μm. The micro-MRI demonstrated the outline of the meniscus, but the microstructure was obscure. The micro-CT clearly displayed microfibers in the meniscus with a voxel size of 11.4 μm. The surface layer, lamellar layer, circumferential fibers, and radial fibers could be identified. The mean porosity of the meniscus according to micro-CT images was 33.92% (33.92% ± 0.03%). Moreover, a 3D model of the microstructure based on the micro-CT images was built. The microscale fibers could be displayed in the micro-CT image and the reconstructed 3D digital model. In addition, a 3D resin model was printed out based on the 3D digital model. CONCLUSION It is extremely difficult to artificially simulate the microstructure of the meniscus because of the irregularity of the diameter and cross-linking pattern of fibers. The micro-MRI images failed to demonstrate the meniscus microstructure. Freeze-drying and micro-CT scanning are effective methods for 3D microstructure reconstruction of the meniscus, which is an important step towards mechanically functional 3D-printed meniscus grafts.
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Affiliation(s)
- Shuang Zhu
- Department of Joint and OrthopaedicsZhujiang Hospital, Southern Medical UniversityGuangzhouChina
| | - Ge Tong
- Department of Medical Ultrasonics, Guangdong Province Key Laboratory of Hepatology ResearchThe Third Affiliated Hospital of Sun Yat‐Sen UniversityGuangzhouChina
| | - Jian‐ping Xiang
- Department of Microsurgery, Orthopaedic Trauma and Hand Surgerythe First Affiliated Hospital of Sun Yat‐sen UniversityGuangzhouChina
| | - Shuai Qiu
- Department of Microsurgery, Orthopaedic Trauma and Hand Surgerythe First Affiliated Hospital of Sun Yat‐sen UniversityGuangzhouChina
| | - Zhi Yao
- Musculoskeletal Research Laboratory, Department of Orthopaedics and TraumatologyThe Chinese University of Hong KongHong KongChina
| | - Xiang Zhou
- Department of Microsurgery, Orthopaedic Trauma and Hand Surgerythe First Affiliated Hospital of Sun Yat‐sen UniversityGuangzhouChina
| | - Li‐jun Lin
- Department of Joint and OrthopaedicsZhujiang Hospital, Southern Medical UniversityGuangzhouChina
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Bioprintable tough hydrogels for tissue engineering applications. Adv Colloid Interface Sci 2020; 281:102163. [PMID: 32388202 DOI: 10.1016/j.cis.2020.102163] [Citation(s) in RCA: 45] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2019] [Revised: 03/31/2020] [Accepted: 04/17/2020] [Indexed: 02/07/2023]
Abstract
Bioprinting is an advanced fabrication approach to engineer complex living structures as the conventional fabrication methods are incapable of integrating structural and biological complexities. It offers the versatility of printing different cell incorporated hydrogels (bioink) layer by layer; offering control over spatial resolution and cell distribution to mimic native tissue architectures. However, the bioprinting of tough hydrogels involve additional complexities, such as employing complex crosslinking or reinforcing mechanisms during printing and pre/post printing cellular activities. Solving this complexity requires attention from engineering, material science and cell biology perspectives. In this review, we discuss different types of bioprinting techniques with focus on current state-of-the-art in bioink formulations and pivotal characteristics of bioinks for tough hydrogel printing. We discuss the scope of transition from 3D to 4D bioprinting and some of the advanced characterization techniques for in-depth understanding of the 3D printing process from the microstructural perspective, along with few specific applications and conclude with the future perspectives in biofabrication of hydrogels for tissue engineering applications.
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Guo Z, Xia J, Mi S, Sun W. Mussel-Inspired Naturally Derived Double-Network Hydrogels and Their Application in 3D Printing: From Soft, Injectable Bioadhesives to Mechanically Strong Hydrogels. ACS Biomater Sci Eng 2020; 6:1798-1808. [DOI: 10.1021/acsbiomaterials.9b01864] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Affiliation(s)
- Zhongwei Guo
- Precision Medicine and Healthcare Research Center, Tsinghua-Berkeley Shenzhen Institute, Tsinghua University, Shenzhen 518055, China
- Biomanufacturing Engineering Laboratory, Tsinghua Shenzhen International Graduate School, Tsinghua University, Shenzhen 518055, China
| | - Jingjing Xia
- Biomanufacturing Engineering Laboratory, Tsinghua Shenzhen International Graduate School, Tsinghua University, Shenzhen 518055, China
| | - Shengli Mi
- Biomanufacturing Engineering Laboratory, Tsinghua Shenzhen International Graduate School, Tsinghua University, Shenzhen 518055, China
| | - Wei Sun
- Precision Medicine and Healthcare Research Center, Tsinghua-Berkeley Shenzhen Institute, Tsinghua University, Shenzhen 518055, China
- Biomanufacturing Engineering Laboratory, Tsinghua Shenzhen International Graduate School, Tsinghua University, Shenzhen 518055, China
- Department of Mechanical Engineering and Mechanics, Tsinghua University, Beijing 100084, China
- Department of Mechanical Engineering, Drexel University, Philadelphia, Pennsylvania 19104, United States
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Udayanandana R, Silva P, Mudiyanselage TK. Mechanical Properties of Double Network Poly (Acrylic Acid) Based Hydrogels for Potential Use as a Biomaterial .. ANNUAL INTERNATIONAL CONFERENCE OF THE IEEE ENGINEERING IN MEDICINE AND BIOLOGY SOCIETY. IEEE ENGINEERING IN MEDICINE AND BIOLOGY SOCIETY. ANNUAL INTERNATIONAL CONFERENCE 2020; 2019:1101-1104. [PMID: 31946086 DOI: 10.1109/embc.2019.8857526] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
Load-bearing applications of hydrogels include soft robots, tissue engineering, and stretchable electronics. This paper presents an extensive study of double network poly (acrylic acid) based hydrogel on stress relaxation, compression fatigue, shear stress, and shock absorption properties as a potential load-bearing soft tissue replacement biomaterial. Double network poly (acrylic acid) hydrogel was selected due to simple processing and availability. The optimized formulation of poly (acrylic acid) hydrogel was used for samples preparation. The compression modulus varied with hydrogel formulation, crosshead speed and swelled amount of the hydrogel. Stress relaxation and shock absorption properties of hydrogel were compared with polyurethane gel used in soft insoles (Shore 5A). Developed hydrogel displayed good fatigue properties up to 10,000 loading cycle at maximum stress of 390±30 kPa and at 84±4% strain. Further, maximum average shear stress and shear modulus of 80 kPa and 140 kPa respectively were observed at 84% strain before fracture.
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20
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Kunwar P, Jannini AVS, Xiong Z, Ransbottom MJ, Perkins JS, Henderson JH, Hasenwinkel JM, Soman P. High-Resolution 3D Printing of Stretchable Hydrogel Structures Using Optical Projection Lithography. ACS APPLIED MATERIALS & INTERFACES 2020; 12:1640-1649. [PMID: 31833757 DOI: 10.1021/acsami.9b19431] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/07/2023]
Abstract
Double-network (DN) hydrogels, with their unique combination of mechanical strength and toughness, have emerged as promising materials for soft robotics and tissue engineering. In the past decade, significant effort has been devoted to synthesizing DN hydrogels with high stretchability and toughness; however, shaping the DN hydrogels into complex and often necessary user-defined two-dimensional (2D) and three-dimensional (3D) geometries remains a fabrication challenge. Here, we report a new fabrication method based on optical projection lithography to print DN hydrogels into customizable 2D and 3D structures within minutes. DN hydrogels were printed by first photo-crosslinking a single network structure via spatially modulated light patterns followed by immersing the printed structure in a calcium bath to induce ionic cross-linking. Results show that DN structures made by this method can stretch four times their original lengths. We show that strain and the elastic modulus of printed structures can be tuned based on the hydrogel composition, cross-linker and photoinitiator concentrations, and laser light intensity. To our knowledge, this is the first report demonstrating quick lithography and high-resolution printing of DN (covalent and ionic) hydrogels within minutes. The ability to shape tough and stretchable DN hydrogels in complex structures will be potentially useful in a broad range of applications.
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Affiliation(s)
- Puskal Kunwar
- Department of Chemical and Bioengineering , Syracuse University , Syracuse , New York 13244 , United States
| | | | - Zheng Xiong
- Department of Chemical and Bioengineering , Syracuse University , Syracuse , New York 13244 , United States
| | - Mark James Ransbottom
- Department of Chemical and Bioengineering , Syracuse University , Syracuse , New York 13244 , United States
| | - Jamila Shani Perkins
- Department of Chemical and Bioengineering , Syracuse University , Syracuse , New York 13244 , United States
| | - James H Henderson
- Department of Chemical and Bioengineering , Syracuse University , Syracuse , New York 13244 , United States
| | - Julie M Hasenwinkel
- Department of Chemical and Bioengineering , Syracuse University , Syracuse , New York 13244 , United States
| | - Pranav Soman
- Department of Chemical and Bioengineering , Syracuse University , Syracuse , New York 13244 , United States
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21
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Rupp H, Döhler D, Hilgeroth P, Mahmood N, Beiner M, Binder WH. 3D Printing of Supramolecular Polymers: Impact of Nanoparticles and Phase Separation on Printability. Macromol Rapid Commun 2019; 40:e1900467. [DOI: 10.1002/marc.201900467] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2019] [Revised: 10/08/2019] [Indexed: 01/02/2023]
Affiliation(s)
- Harald Rupp
- Macromolecular ChemistryDivision of Technical and Macromolecular ChemistryInstitute of ChemistryFaculty of Natural Sciences II(Chemistry, Physics and Mathematics)Martin Luther University Halle–Wittenberg von‐Danckelmann‐Platz 4 Halle D‐06120 Germany
| | - Diana Döhler
- Macromolecular ChemistryDivision of Technical and Macromolecular ChemistryInstitute of ChemistryFaculty of Natural Sciences II(Chemistry, Physics and Mathematics)Martin Luther University Halle–Wittenberg von‐Danckelmann‐Platz 4 Halle D‐06120 Germany
| | - Philipp Hilgeroth
- Macromolecular ChemistryDivision of Technical and Macromolecular ChemistryInstitute of ChemistryFaculty of Natural Sciences II(Chemistry, Physics and Mathematics)Martin Luther University Halle–Wittenberg von‐Danckelmann‐Platz 4 Halle D‐06120 Germany
| | - Nasir Mahmood
- Micro‐ and Nanostructure Based Polymer CompositesDivision of Technical and Macromolecular ChemistryInstitute of ChemistryFaculty of Natural Sciences II(Chemistry, Physics and Mathematics)Martin Luther University Halle–Wittenberg Heinrich‐Damerow‐Straße 4 Halle D‐06120 Germany
| | - Mario Beiner
- Micro‐ and Nanostructure Based Polymer CompositesDivision of Technical and Macromolecular ChemistryInstitute of ChemistryFaculty of Natural Sciences II(Chemistry, Physics and Mathematics)Martin Luther University Halle–Wittenberg Heinrich‐Damerow‐Straße 4 Halle D‐06120 Germany
| | - Wolfgang H. Binder
- Macromolecular ChemistryDivision of Technical and Macromolecular ChemistryInstitute of ChemistryFaculty of Natural Sciences II(Chemistry, Physics and Mathematics)Martin Luther University Halle–Wittenberg von‐Danckelmann‐Platz 4 Halle D‐06120 Germany
- Micro‐ and Nanostructure Based Polymer CompositesDivision of Technical and Macromolecular ChemistryInstitute of ChemistryFaculty of Natural Sciences II(Chemistry, Physics and Mathematics)Martin Luther University Halle–Wittenberg Heinrich‐Damerow‐Straße 4 Halle D‐06120 Germany
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Wang J, Liu Y, Su S, Wei J, Rahman SE, Ning F, Christopher G, Cong W, Qiu J. Ultrasensitive Wearable Strain Sensors of 3D Printing Tough and Conductive Hydrogels. Polymers (Basel) 2019; 11:E1873. [PMID: 31766185 PMCID: PMC6918434 DOI: 10.3390/polym11111873] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2019] [Revised: 11/11/2019] [Accepted: 11/11/2019] [Indexed: 11/23/2022] Open
Abstract
In this study, tough and conductive hydrogels were printed by 3D printing method. The combination of thermo-responsive agar and ionic-responsive alginate can highly improve the shape fidelity. With addition of agar, ink viscosity was enhanced, further improving its rheological characteristics for a precise printing. After printing, the printed construct was cured via free radical polymerization, and alginate was crosslinked by calcium ions. Most importantly, with calcium crosslinking of alginate, mechanical properties of 3D printed hydrogels are greatly improved. Furthermore, these 3D printed hydrogels can serve as ionic conductors, because hydrogels contain large amounts of water that dissolve excess calcium ions. A wearable resistive strain sensor that can quickly and precisely detect human motions like finger bending was fabricated by a 3D printed hydrogel film. These results demonstrate that the conductive, transparent, and stretchable hydrogels are promising candidates as soft wearable electronics for healthcare, robotics and entertainment.
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Affiliation(s)
- Jilong Wang
- Key Laboratory of Textile Science & Technology of Ministry of Education, College of Textiles, Donghua University, Shanghai 201620, China; (J.W.); (Y.L.)
| | - Yan Liu
- Key Laboratory of Textile Science & Technology of Ministry of Education, College of Textiles, Donghua University, Shanghai 201620, China; (J.W.); (Y.L.)
| | - Siheng Su
- Department of Mechanical Engineering, California State University Fullerton, Fullerton, CA 92831, USA;
| | - Junhua Wei
- Department of Mechanical Engineering, Texas Tech University, 2500 Broadway, Lubbock, TX 79409, USA; (J.W.); (S.E.R.); (G.C.)
| | - Syed Ehsanur Rahman
- Department of Mechanical Engineering, Texas Tech University, 2500 Broadway, Lubbock, TX 79409, USA; (J.W.); (S.E.R.); (G.C.)
| | - Fuda Ning
- Department of Systems Science and Industrial Engineering, State University of New York at Binghamton, Binghamton, NY 13902, USA;
| | - Gordon Christopher
- Department of Mechanical Engineering, Texas Tech University, 2500 Broadway, Lubbock, TX 79409, USA; (J.W.); (S.E.R.); (G.C.)
| | - Weilong Cong
- Department of Industrial Engineering, Texas Tech University, 2500 Broadway, Lubbock, TX 79409, USA;
| | - Jingjing Qiu
- Department of Mechanical Engineering, Texas Tech University, 2500 Broadway, Lubbock, TX 79409, USA; (J.W.); (S.E.R.); (G.C.)
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Wang J, Wei J, Su S, Qiu J, Hu Z, Hasan M, Vargas E, Pantoya M, Wang S. Thermal-Recoverable Tough Hydrogels Enhanced by Porphyrin Decorated Graphene Oxide. NANOMATERIALS (BASEL, SWITZERLAND) 2019; 9:E1487. [PMID: 31635384 PMCID: PMC6835457 DOI: 10.3390/nano9101487] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/23/2019] [Revised: 10/14/2019] [Accepted: 10/15/2019] [Indexed: 11/17/2022]
Abstract
Artificial tissue materials usually suffer properties and structure loss over time. As a usual strategy, a new substitution is required to replace the worn one to maintain the functions. Although several approaches have been developed to restore the mechanical properties of hydrogels, they require direct heating or touching, which cannot be processed within the body. In this manuscript, a photothermal method was developed to restore the mechanical properties of the tough hydrogels by using near infrared (NIR) laser irradiation. By adding the porphyrin decorated graphene oxide (PGO) as the nanoreinforcer and photothermal agent into carrageenan/polyacrylamide double network hydrogels (PDN), the compressive strength of the PDN was greatly improved by 104%. Under a short time of NIR laser irradiation, the PGO effectively converts light energy to thermal energy to heat the PDN hydrogels. The damaged carrageenan network was rebuilt, and a 90% compressive strength recovery was achieved. The PGO not only significantly improves the mechanical performance of PDN, but also restores the compressive property of PDN via a photothermal method. These tough hydrogels with superior photothermal recovery may work as promising substitutes for load-bearing tissues.
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Affiliation(s)
- Jilong Wang
- Key Laboratory of Textile Science & Technology of Ministry of Education, College of Textiles, Donghua University, Shanghai 201620, China.
| | - Junhua Wei
- Department of Mechanical Engineering, Texas Tech University, 2500 Broadway, P.O. Box 43061, Lubbock, TX 79409, USA.
| | - Siheng Su
- Department of Mechanical Engineering, California State University at Fullerton, Fullerton, CA 92831, USA.
| | - Jingjing Qiu
- Department of Mechanical Engineering, Texas Tech University, 2500 Broadway, P.O. Box 43061, Lubbock, TX 79409, USA.
| | - Zhonglue Hu
- College of Engineering, Zhejiang Normal University, Jinhua 321000, China.
| | - Molla Hasan
- Inamori School of Engineering, Alfred University, Alfred, NY 14802, USA.
| | - Evan Vargas
- Department of Mechanical Engineering, Texas Tech University, 2500 Broadway, P.O. Box 43061, Lubbock, TX 79409, USA.
| | - Michelle Pantoya
- Department of Mechanical Engineering, Texas Tech University, 2500 Broadway, P.O. Box 43061, Lubbock, TX 79409, USA.
| | - Shiren Wang
- Department of Industrial and Systems Engineering, Texas A&M University, College Station, TX 77843, USA.
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24
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Bioink formulations to ameliorate bioprinting-induced loss of cellular viability. Biointerphases 2019; 14:051006. [DOI: 10.1116/1.5111392] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
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25
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Wang J, Lou L, Qiu J. Super‐tough hydrogels using ionically crosslinked networks. J Appl Polym Sci 2019. [DOI: 10.1002/app.48182] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Affiliation(s)
- Jilong Wang
- Key Laboratory of Textile Science & Technology of Ministry of EducationCollege of Textiles, Donghua University Shanghai 201620 People's Republic of China
- Department of Mechanical EngineeringTexas Tech University 2500 Broadway, P.O. Box 43061, Lubbock Texas 79409
| | - Lihua Lou
- Department of Environmental ToxicologyTexas Tech University, Reese Center P.O. Box 41163, Lubbock Texas 79416
| | - Jingjing Qiu
- Department of Mechanical EngineeringTexas Tech University 2500 Broadway, P.O. Box 43061, Lubbock Texas 79409
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26
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Zhang Z, Wu Q, Zeng L, Wang S. Modeling-Based Assessment of 3D Printing-Enabled Meniscus Transplantation. Healthcare (Basel) 2019; 7:E69. [PMID: 31083361 PMCID: PMC6627735 DOI: 10.3390/healthcare7020069] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2019] [Revised: 05/02/2019] [Accepted: 05/07/2019] [Indexed: 02/02/2023] Open
Abstract
3D printing technology is able to produce personalized artificial substitutes for patients with damaged menisci. However, there is a lack of thorough understanding of 3D printing-enabled (3DP-enabled) meniscus transplantation and its long-term advantages over traditional transplantation. To help health care stakeholders and patients assess the value of 3DP-enabled meniscus transplantation, this study compares the long-term cost and risk of this new paradigm with traditional transplantation by simulation. Pathway models are developed to simulate patients' treatment process during a 20-year period, and a Markov process is used to model the state transitions of patients after transplantation. A sensitivity analysis is also conducted to show the effect of quality of 3D-printed meniscus on model outputs. The simulation results suggest that the performance of 3DP-enabled meniscus transplantation depends on quality of 3D-printed meniscus. The conclusion of this study is that 3DP-enabled meniscus transplantation has many advantages over traditional meniscus transplantation, including a minimal waiting time, perfect size and shape match, and potentially lower cost and risk in the long term.
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Affiliation(s)
- Zimeng Zhang
- Department of Industrial and Systems Engineering, Texas A&M University, College Station, TX 77843, USA.
| | - Qian Wu
- Department of Industrial and Systems Engineering, Texas A&M University, College Station, TX 77843, USA.
| | - Li Zeng
- Department of Industrial and Systems Engineering, Texas A&M University, College Station, TX 77843, USA.
| | - Shiren Wang
- Department of Industrial and Systems Engineering, Texas A&M University, College Station, TX 77843, USA.
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27
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Warner E, Norton I, Mills T. Comparing the viscoelastic properties of gelatin and different concentrations of kappa-carrageenan mixtures for additive manufacturing applications. J FOOD ENG 2019. [DOI: 10.1016/j.jfoodeng.2018.10.033] [Citation(s) in RCA: 32] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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28
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Liu J, Sun L, Xu W, Wang Q, Yu S, Sun J. Current advances and future perspectives of 3D printing natural-derived biopolymers. Carbohydr Polym 2019; 207:297-316. [DOI: 10.1016/j.carbpol.2018.11.077] [Citation(s) in RCA: 173] [Impact Index Per Article: 34.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2018] [Revised: 11/21/2018] [Accepted: 11/23/2018] [Indexed: 12/20/2022]
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29
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Wang Q, Han G, Yan S, Zhang Q. 3D Printing of Silk Fibroin for Biomedical Applications. MATERIALS (BASEL, SWITZERLAND) 2019; 12:E504. [PMID: 30736388 PMCID: PMC6384667 DOI: 10.3390/ma12030504] [Citation(s) in RCA: 53] [Impact Index Per Article: 10.6] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/01/2019] [Revised: 01/24/2019] [Accepted: 02/02/2019] [Indexed: 02/06/2023]
Abstract
Three-dimensional (3D) printing is regarded as a critical technological-evolution in material engineering, especially for customized biomedicine. However, a big challenge that hinders the 3D printing technique applied in biomedical field is applicable bioink. Silk fibroin (SF) is used as a biomaterial for decades due to its remarkable high machinability and good biocompatibility and biodegradability, which provides a possible alternate of bioink for 3D printing. In this review, we summarize the requirements, characteristics and processabilities of SF bioink, in particular, focusing on the printing possibilities and capabilities of bioink. Further, the current achievements of cell-loading SF based bioinks were comprehensively viewed from their physical properties, chemical components, and bioactivities as well. Finally, the emerging issues and prospects of SF based bioink for 3D printing are given. This review provides a reference for the programmable and multiple processes and the further improvement of silk-based biomaterials fabrication by 3D printing.
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Affiliation(s)
- Qiusheng Wang
- Key Laboratory of Textile Fiber & Product (Ministry of Education), School of Textile Science and Engineering, Wuhan Textile University, Wuhan 430200, China.
| | - Guocong Han
- Key Laboratory of Textile Fiber & Product (Ministry of Education), School of Textile Science and Engineering, Wuhan Textile University, Wuhan 430200, China.
| | - Shuqin Yan
- Key Laboratory of Textile Fiber & Product (Ministry of Education), School of Textile Science and Engineering, Wuhan Textile University, Wuhan 430200, China.
| | - Qiang Zhang
- Key Laboratory of Textile Fiber & Product (Ministry of Education), School of Textile Science and Engineering, Wuhan Textile University, Wuhan 430200, China.
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30
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Jiang P, Yan C, Guo Y, Zhang X, Cai M, Jia X, Wang X, Zhou F. Direct ink writing with high-strength and swelling-resistant biocompatible physically crosslinked hydrogels. Biomater Sci 2019; 7:1805-1814. [DOI: 10.1039/c9bm00081j] [Citation(s) in RCA: 62] [Impact Index Per Article: 12.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
The 3D printing of physically crosslinked hydrogel architectures with high strength and swelling resistance is achieved with biocompatible PVA and natural κ-carrageenan hybrid inks.
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Affiliation(s)
- Pan Jiang
- State Key Laboratory of Solid Lubrication
- Lanzhou Institute of Chemical Physics
- Chinese Academy of Sciences
- Lanzhou 730000
- China
| | - Changyou Yan
- State Key Laboratory of Solid Lubrication
- Lanzhou Institute of Chemical Physics
- Chinese Academy of Sciences
- Lanzhou 730000
- China
| | - Yuxiong Guo
- State Key Laboratory of Solid Lubrication
- Lanzhou Institute of Chemical Physics
- Chinese Academy of Sciences
- Lanzhou 730000
- China
| | - Xiaoqin Zhang
- State Key Laboratory of Solid Lubrication
- Lanzhou Institute of Chemical Physics
- Chinese Academy of Sciences
- Lanzhou 730000
- China
| | - Meirong Cai
- State Key Laboratory of Solid Lubrication
- Lanzhou Institute of Chemical Physics
- Chinese Academy of Sciences
- Lanzhou 730000
- China
| | - Xin Jia
- School of Chemistry and Chemical Engineering
- Shihezi University
- Shihezi 832003
- China
| | - Xiaolong Wang
- State Key Laboratory of Solid Lubrication
- Lanzhou Institute of Chemical Physics
- Chinese Academy of Sciences
- Lanzhou 730000
- China
| | - Feng Zhou
- State Key Laboratory of Solid Lubrication
- Lanzhou Institute of Chemical Physics
- Chinese Academy of Sciences
- Lanzhou 730000
- China
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31
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Padil VVT, Wacławek S, Černík M, Varma RS. Tree gum-based renewable materials: Sustainable applications in nanotechnology, biomedical and environmental fields. Biotechnol Adv 2018; 36:1984-2016. [PMID: 30165173 PMCID: PMC6209323 DOI: 10.1016/j.biotechadv.2018.08.008] [Citation(s) in RCA: 62] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2018] [Revised: 07/22/2018] [Accepted: 08/24/2018] [Indexed: 12/22/2022]
Abstract
The prospective uses of tree gum polysaccharides and their nanostructures in various aspects of food, water, energy, biotechnology, environment and medicine industries, have garnered a great deal of attention recently. In addition to extensive applications of tree gums in food, there are substantial non-food applications of these commercial gums, which have gained widespread attention due to their availability, structural diversity and remarkable properties as 'green' bio-based renewable materials. Tree gums are obtainable as natural polysaccharides from various tree genera possessing exceptional properties, including their renewable, biocompatible, biodegradable, and non-toxic nature and their ability to undergo easy chemical modifications. This review focuses on non-food applications of several important commercially available gums (arabic, karaya, tragacanth, ghatti and kondagogu) for the greener synthesis and stabilization of metal/metal oxide NPs, production of electrospun fibers, environmental bioremediation, bio-catalysis, biosensors, coordination complexes of metal-hydrogels, and for antimicrobial and biomedical applications. Furthermore, polysaccharides acquired from botanical, seaweed, animal, and microbial origins are briefly compared with the characteristics of tree gum exudates.
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Affiliation(s)
- Vinod V T Padil
- Department of Nanomaterials in Natural Sciences, Institute for Nanomaterials, Advanced Technologies and Innovation, Technical University of Liberec, Studentská 1402/2, Liberec 1 461 17, Czech Republic.
| | - Stanisław Wacławek
- Department of Nanomaterials in Natural Sciences, Institute for Nanomaterials, Advanced Technologies and Innovation, Technical University of Liberec, Studentská 1402/2, Liberec 1 461 17, Czech Republic
| | - Miroslav Černík
- Department of Nanomaterials in Natural Sciences, Institute for Nanomaterials, Advanced Technologies and Innovation, Technical University of Liberec, Studentská 1402/2, Liberec 1 461 17, Czech Republic.
| | - Rajender S Varma
- Water Resource Recovery Branch, Water Systems Division, National Risk Management Research Laboratory, U.S. Environmental Protection Agency, 26 West Martin Luther King Drive, MS 483, Cincinnati, Ohio 45268, USA; Regional Centre of Advanced Technologies and Materials, Department of Physical Chemistry, Faculty of Science, Palacký University in Olomouc, Šlechtitelů 27, 783 71 Olomouc, Czech Republic.
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32
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Lee HR, Kim CC, Sun JY. Stretchable Ionics - A Promising Candidate for Upcoming Wearable Devices. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2018; 30:e1704403. [PMID: 29889329 DOI: 10.1002/adma.201704403] [Citation(s) in RCA: 115] [Impact Index Per Article: 19.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/04/2017] [Revised: 10/14/2017] [Indexed: 05/23/2023]
Abstract
As many devices for human utility aim for fast and convenient communication with users, superb electronic devices are demonstrated to serve as hardware for human-machine interfaces in wearable forms. Wearable devices for daily healthcare and self-diagnosis offer more human-like properties unconstrained by deformation. In this sense, stretchable ionics based on flexible and stretchable hydrogels are on the rise as another means to develop wearable devices for bioapplications for two main reasons: i) ionic currents and choosing the same signal carriers for biological areas, and ii) the adoption of hydrogel ionic conductors, which are intrinsically stretchable materials with biocompatibility. Here, the current status of stretchable ionics and future applications are introduced, whose positive effects can be magnified by stretchable ionics.
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Affiliation(s)
- Hae-Ryung Lee
- Department of Materials Science and Engineering, Seoul National University, Seoul, 08826, Republic of Korea
| | - Chong-Chan Kim
- Department of Materials Science and Engineering, Seoul National University, Seoul, 08826, Republic of Korea
| | - Jeong-Yun Sun
- Department of Materials Science and Engineering, Seoul National University, Seoul, 08826, Republic of Korea
- Research Institute of Advanced Materials (RIAM), Seoul National University, Seoul, 08826, Republic of Korea
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33
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López-Marcial GR, Zeng AY, Osuna C, Dennis J, García JM, O'Connell GD. Agarose-Based Hydrogels as Suitable Bioprinting Materials for Tissue Engineering. ACS Biomater Sci Eng 2018; 4:3610-3616. [PMID: 33450800 DOI: 10.1021/acsbiomaterials.8b00903] [Citation(s) in RCA: 93] [Impact Index Per Article: 15.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Hydrogels are useful materials as scaffolds for tissue engineering applications. Using hydrogels with additive manufacturing techniques has typically required the addition of techniques such as cross-linking or printing in sacrificial materials that negatively impact tissue growth to remedy inconsistencies in print fidelity. Thus, there is a need for bioinks that can directly print cell-laden constructs. In this study, agarose-based hydrogels commonly used for cartilage tissue engineering were compared to Pluronic, a hydrogel with established printing capabilities. Moreover, new material mixtures were developed for bioprinting by combining alginate and agarose. We compared mechanical and rheological properties, including yield stress, storage modulus, and shear thinning, as well as construct shape fidelity to assess their potential as a bioink for cell-based tissue engineering. The rheological properties and printability of agarose-alginate gels were statistically similar to those of Pluronic for all tests (p > 0.05). Alginate-agarose composites prepared with 5% w/v (3:2 agarose to alginate ratio) demonstrated excellent cell viability over a 28-day culture period (>∼70% cell survival at day 28) as well matrix production over the same period. Therefore, agarose-alginate mixtures showed the greatest potential as an effective bioink for additive manufacturing of biological materials for cartilage tissue engineering.
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Affiliation(s)
- Gabriel R López-Marcial
- Department of Mechanical Engineering, University of California, Berkeley, California 94720, United States
| | - Anne Y Zeng
- Department of Mechanical Engineering, University of California, Berkeley, California 94720, United States
| | - Carlos Osuna
- Department of Mechanical Engineering, University of California, San Diego, California 92093, United States
| | - Joseph Dennis
- Department of Chemistry and Materials, IBM Almaden Research Center, San Jose, California 95120, United States
| | - Jeannette M García
- Department of Chemistry and Materials, IBM Almaden Research Center, San Jose, California 95120, United States
| | - Grace D O'Connell
- Department of Mechanical Engineering, University of California, Berkeley, California 94720, United States.,Department of Orthopaedic Surgery, University of California, San Francisco, California 94143, United States
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34
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Liu Y, He W, Zhang Z, Lee BP. Recent Developments in Tough Hydrogels for Biomedical Applications. Gels 2018; 4:E46. [PMID: 30674822 PMCID: PMC6209285 DOI: 10.3390/gels4020046] [Citation(s) in RCA: 57] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2018] [Revised: 05/14/2018] [Accepted: 05/17/2018] [Indexed: 12/15/2022] Open
Abstract
A hydrogel is a three-dimensional polymer network with high water content and has been attractive for many biomedical applications due to its excellent biocompatibility. However, classic hydrogels are mechanically weak and unsuitable for most physiological load-bearing situations. Thus, the development of tough hydrogels used in the biomedical field becomes critical. This work reviews various strategies to fabricate tough hydrogels with the introduction of non-covalent bonds and the construction of stretchable polymer networks and interpenetrated networks, such as the so-called double-network hydrogel. Additionally, the design of tough hydrogels for tissue adhesive, tissue engineering, and soft actuators is reviewed.
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Affiliation(s)
- Yuan Liu
- Department of Chemical Engineering, University of Massachusetts Amherst, Amherst, MA 01003, USA.
| | - Weilue He
- FM Wound Care LLC, Hancock, MI 49930, USA.
| | - Zhongtian Zhang
- Department of Biomedical Engineering, Michigan Technological University, Houghton, MI 49931, USA.
| | - Bruce P Lee
- Department of Biomedical Engineering, Michigan Technological University, Houghton, MI 49931, USA.
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35
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Zhang B, Li S, Hingorani H, Serjouei A, Larush L, Pawar AA, Goh WH, Sakhaei AH, Hashimoto M, Kowsari K, Magdassi S, Ge Q. Highly stretchable hydrogels for UV curing based high-resolution multimaterial 3D printing. J Mater Chem B 2018; 6:3246-3253. [PMID: 32254382 DOI: 10.1039/c8tb00673c] [Citation(s) in RCA: 91] [Impact Index Per Article: 15.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
We report a method to prepare highly stretchable and UV curable hydrogels for high resolution DLP based 3D printing. Hydrogel solutions were prepared by mixing self-developed high-efficiency water-soluble TPO nanoparticles as the photoinitiator with an acrylamide-PEGDA (AP) based hydrogel precursor. The TPO nanoparticles make AP hydrogels UV curable, and thus compatible with the DLP based 3D printing technology for the fabrication of complex hydrogel 3D structures with high-resolution and high-fidelity (up to 7 μm). The AP hydrogel system ensures high stretchability, and the printed hydrogel sample can be stretched by more than 1300%, which is the most stretchable 3D printed hydrogel. The printed stretchable hydrogels show an excellent biocompatibility, which allows us to directly 3D print biostructures and tissues. The great optical clarity of the AP hydrogels offers the possibility of 3D printing contact lenses. More importantly, the AP hydrogels are capable of forming strong interfacial bonding with commercial 3D printing elastomers, which allows us to directly 3D print hydrogel-elastomer hybrid structures such as a flexible electronic board with a conductive hydrogel circuit printed on an elastomer matrix.
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Affiliation(s)
- Biao Zhang
- Digital Manufacturing and Design Centre, Singapore University of Technology and Design, 487372, Singapore.
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36
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Xu C, Lee W, Dai G, Hong Y. Highly Elastic Biodegradable Single-Network Hydrogel for Cell Printing. ACS APPLIED MATERIALS & INTERFACES 2018; 10:9969-9979. [PMID: 29451384 PMCID: PMC5876623 DOI: 10.1021/acsami.8b01294] [Citation(s) in RCA: 66] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/24/2018] [Accepted: 02/16/2018] [Indexed: 05/03/2023]
Abstract
Cell printing is becoming a common technique to fabricate cellularized printed scaffold for biomedical application. There are still significant challenges in soft tissue bioprinting using hydrogels, which requires live cells inside the hydrogels. Moreover, the resilient mechanical properties from hydrogels are also required to mechanically mimic the native soft tissues. Herein, we developed a visible-light cross-linked, single-network, biodegradable hydrogel with high elasticity and flexibility for cell printing, which is different from previous highly elastic hydrogel with double-network and two components. The single-network hydrogel using only one stimulus (visible light) to trigger gelation can greatly simplify the cell printing process. The obtained hydrogels possessed high elasticity, and their mechanical properties can be tuned to match various native soft tissues. The hydrogels had good cell compatibility to support fibroblast growth in vitro. Various human cells were bioprinted with the hydrogels to form cell-gel constructs, in which the cells exhibited high viability after 7 days of culture. Complex patterns were printed by the hydrogels, suggesting the hydrogel feasibility for cell printing. We believe that this highly elastic, single-network hydrogel can be simply printed with different cell types, and it may provide a new material platform and a new way of thinking for hydrogel-based bioprinting research.
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Affiliation(s)
- Cancan Xu
- Department of Bioengineering, University of Texas at Arlington, Arlington, Texas 76019, United States
- Joint Biomedical
Engineering Program, University of Texas
Southwestern Medical Center, Dallas, Texas 75390, United States
| | - Wenhan Lee
- Department of Bioengineering, Northeastern University, Boston, Massachusetts 02115, United States
| | - Guohao Dai
- Department of Bioengineering, Northeastern University, Boston, Massachusetts 02115, United States
| | - Yi Hong
- Department of Bioengineering, University of Texas at Arlington, Arlington, Texas 76019, United States
- Joint Biomedical
Engineering Program, University of Texas
Southwestern Medical Center, Dallas, Texas 75390, United States
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37
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Liu S, Bastola AK, Li L. A 3D Printable and Mechanically Robust Hydrogel Based on Alginate and Graphene Oxide. ACS APPLIED MATERIALS & INTERFACES 2017; 9:41473-41481. [PMID: 29116743 DOI: 10.1021/acsami.7b13534] [Citation(s) in RCA: 63] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
Sodium alginate (SA) was used for the first time to noncovalently functionalize amino-graphene oxide (aGO) to produce the SA-functionalized GO, A-aGO. A-aGO was then filled into a double-network (DN) hydrogel consisting of an alginate network (SA) and a polyacrylamide (PAAm) network. Before UV curing, A-aGO was able to provide the SA/PAAm DN hydrogel with a remarkable thixotropic property, which is desirable for 3D printing. Thus, the A-aGO-filled DN hydrogel could be nicely used as an "ink" of a 3D printer to print complicated 3D structures with a high stackability and high shape fidelity. After UV curing, the 3D-printed A-aGO filled DN hydrogel showed robust mechanical strength and great toughness. For the function of A-aGO it was considered that A-aGO acted as a secondary but physical cross-linker, not only to give the hydrogel a satisfactory thixotropic property but also to increase the energy dissipation by combining the physical SA network and the chemical PAAm network. As an exciting result we successfully developed a 3D printable and mechanically robust hydrogel.
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Affiliation(s)
- Sijun Liu
- School of Mechanical and Aerospace Engineering, Nanyang Technological University , 50 Nanyang Avenue, Singapore 639798, Singapore
| | - Anil Kumar Bastola
- School of Mechanical and Aerospace Engineering, Nanyang Technological University , 50 Nanyang Avenue, Singapore 639798, Singapore
| | - Lin Li
- School of Mechanical and Aerospace Engineering, Nanyang Technological University , 50 Nanyang Avenue, Singapore 639798, Singapore
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38
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Critchley SE, Kelly DJ. Bioinks for bioprinting functional meniscus and articular cartilage. ACTA ACUST UNITED AC 2017. [DOI: 10.2217/3dp-2017-0012] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
3D bioprinting can potentially enable the engineering of biological constructs mimicking the complex geometry, composition, architecture and mechanical properties of different tissues and organs. Integral to the successful bioprinting of functional articular cartilage and meniscus is the identification of suitable bioinks and cell sources to support chondrogenesis or fibrochondrogenesis, respectively. Such bioinks must also possess the appropriate rheological properties to be printable and support the generation of complex geometries. This review will outline the parameters required to develop bioinks for such applications and the current recent advances in 3D bioprinting of functional meniscus and articular cartilage. The paper will conclude by discussing key scientific and technical hurdles in this field and by defining future research directions for cartilage and meniscus bioprinting.
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Affiliation(s)
- Susan E Critchley
- Trinity Centre for Bioengineering, Trinity Biomedical Sciences Institute, Trinity College Dublin, Dublin, Ireland
- Department of Mechanical & Manufacturing Engineering, School of Engineering, Trinity College Dublin, Dublin, Ireland
| | - Daniel J Kelly
- Trinity Centre for Bioengineering, Trinity Biomedical Sciences Institute, Trinity College Dublin, Dublin, Ireland
- Department of Mechanical & Manufacturing Engineering, School of Engineering, Trinity College Dublin, Dublin, Ireland
- Department of Anatomy, Royal College of Surgeons in Ireland, Dublin, Ireland
- Advanced Materials & Bioengineering Research Centre (AMBER), Royal College of Surgeons in Ireland & Trinity College Dublin, Dublin, Ireland
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39
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Forget A, Blaeser A, Miessmer F, Köpf M, Campos DFD, Voelcker NH, Blencowe A, Fischer H, Shastri VP. Mechanically Tunable Bioink for 3D Bioprinting of Human Cells. Adv Healthc Mater 2017; 6. [PMID: 28731220 DOI: 10.1002/adhm.201700255] [Citation(s) in RCA: 60] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2017] [Revised: 05/17/2017] [Indexed: 12/13/2022]
Abstract
This study introduces a thermogelling bioink based on carboxylated agarose (CA) for bioprinting of mechanically defined microenvironments mimicking natural tissues. In CA system, by adjusting the degree of carboxylation, the elastic modulus of printed gels can be tuned over several orders of magnitudes (5-230 Pa) while ensuring almost no change to the shear viscosity (10-17 mPa) of the bioink solution; thus enabling the fabrication of 3D structures made of different mechanical domains under identical printing parameters and low nozzle shear stress. Human mesenchymal stem cells printed using CA as a bioink show significantly higher survival (95%) in comparison to when printed using native agarose (62%), a commonly used thermogelling hydrogel for 3D-bioprinting applications. This work paves the way toward the printing of complex tissue-like structures composed of a range of mechanically discrete microdomains that could potentially reproduce natural mechanical aspects of functional tissues.
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Affiliation(s)
- Aurelien Forget
- Institute for Macromolecular Chemistry University of Freiburg; 79104 Freiburg Germany
- Science and Engineering Faculty; Queensland University of Technology; Brisbane 4001 Australia
- School of Pharmacy and Medical Science University of South Australia; Adelaide 5000 Australia
| | - Andreas Blaeser
- Department of Dental Materials and Biomaterials Research; RWTH Aachen University Hospital; 52074 Aachen Germany
| | - Florian Miessmer
- Institute for Macromolecular Chemistry University of Freiburg; 79104 Freiburg Germany
| | - Marius Köpf
- Department of Dental Materials and Biomaterials Research; RWTH Aachen University Hospital; 52074 Aachen Germany
| | - Daniela F. Duarte Campos
- Department of Dental Materials and Biomaterials Research; RWTH Aachen University Hospital; 52074 Aachen Germany
| | | | - Anton Blencowe
- School of Pharmacy and Medical Science University of South Australia; Adelaide 5000 Australia
| | - Horst Fischer
- Department of Dental Materials and Biomaterials Research; RWTH Aachen University Hospital; 52074 Aachen Germany
| | - V. Prasad Shastri
- Institute for Macromolecular Chemistry University of Freiburg; 79104 Freiburg Germany
- BIOSS - Centre for Biological Signalling Studies; University of Freiburg; 79104 Freiburg Germany
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40
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Pekkanen AM, Mondschein RJ, Williams CB, Long TE. 3D Printing Polymers with Supramolecular Functionality for Biological Applications. Biomacromolecules 2017; 18:2669-2687. [PMID: 28762718 DOI: 10.1021/acs.biomac.7b00671] [Citation(s) in RCA: 59] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Supramolecular chemistry continues to experience widespread growth, as fine-tuned chemical structures lead to well-defined bulk materials. Previous literature described the roles of hydrogen bonding, ionic aggregation, guest/host interactions, and π-π stacking to tune mechanical, viscoelastic, and processing performance. The versatility of reversible interactions enables the more facile manufacturing of molded parts with tailored hierarchical structures such as tissue engineered scaffolds for biological applications. Recently, supramolecular polymers and additive manufacturing processes merged to provide parts with control of the molecular, macromolecular, and feature length scales. Additive manufacturing, or 3D printing, generates customizable constructs desirable for many applications, and the introduction of supramolecular interactions will potentially increase production speed, offer a tunable surface structure for controlling cell/scaffold interactions, and impart desired mechanical properties through reinforcing interlayer adhesion and introducing gradients or self-assembled structures. This review details the synthesis and characterization of supramolecular polymers suitable for additive manufacture and biomedical applications as well as the use of supramolecular polymers in additive manufacturing for drug delivery and complex tissue scaffold formation. The effect of supramolecular assembly and its dynamic behavior offers potential for controlling the anisotropy of the printed objects with exquisite geometrical control. The potential for supramolecular polymers to generate well-defined parts, hierarchical structures, and scaffolds with gradient properties/tuned surfaces provides an avenue for developing next-generation biomedical devices and tissue scaffolds.
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Affiliation(s)
- Allison M Pekkanen
- School of Biomedical Engineering and Sciences, Virginia Tech , Blacksburg, Virginia 24061, United States.,Macromolecules Innovation Institute (MII), Virginia Tech , Blacksburg, Virginia 24061, United States
| | - Ryan J Mondschein
- Macromolecules Innovation Institute (MII), Virginia Tech , Blacksburg, Virginia 24061, United States.,Department of Chemistry, Virginia Tech , Blacksburg, Virginia 24061, United States
| | - Christopher B Williams
- Macromolecules Innovation Institute (MII), Virginia Tech , Blacksburg, Virginia 24061, United States.,Department of Mechanical Engineering, Virginia Tech , Blacksburg, Virginia 24061, United States
| | - Timothy E Long
- Macromolecules Innovation Institute (MII), Virginia Tech , Blacksburg, Virginia 24061, United States.,Department of Chemistry, Virginia Tech , Blacksburg, Virginia 24061, United States
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41
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Liu S, Li L. Ultrastretchable and Self-Healing Double-Network Hydrogel for 3D Printing and Strain Sensor. ACS APPLIED MATERIALS & INTERFACES 2017; 9:26429-26437. [PMID: 28707465 DOI: 10.1021/acsami.7b07445] [Citation(s) in RCA: 201] [Impact Index Per Article: 28.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/07/2023]
Abstract
On the basis of the thermoreversible sol-gel transition behavior of κ-carrageenan in water, a double-network (DN) hydrogel has been fabricated by combining an ionically cross-linked κ-carrageenan network with a covalently cross-linked polyacrylamide (PAAm) network. The κ-carrageenan/PAAm DN hydrogel demonstrated an excellent recoverability and significant self-healing capability (even when notched). More importantly, the warm pregel solution of κ-carrageenan/AAm can be used as an ink of a three-dimensional (3D) printer to print complex 3D structures with remarkable mechanical strength after UV exposure. Furthermore, the κ-carrageenan/PAAm DN hydrogel exhibited a great strain sensitivity with a gauge factor of 0.63 at the strain of 1000%, and thus, the hydrogel can be used as sensitive strain sensors for applications in robotics and human motion detection.
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Affiliation(s)
- Sijun Liu
- School of Mechanical and Aerospace Engineering, Nanyang Technological University , 50 Nanyang Avenue, Singapore 639798, Singapore
| | - Lin Li
- School of Mechanical and Aerospace Engineering, Nanyang Technological University , 50 Nanyang Avenue, Singapore 639798, Singapore
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42
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Yang F, Tadepalli V, Wiley BJ. 3D Printing of a Double Network Hydrogel with a Compression Strength and Elastic Modulus Greater than those of Cartilage. ACS Biomater Sci Eng 2017; 3:863-869. [DOI: 10.1021/acsbiomaterials.7b00094] [Citation(s) in RCA: 89] [Impact Index Per Article: 12.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Feichen Yang
- Department of Chemistry, Duke University, Durham, North Carolina 27708, United States
| | - Vaibhav Tadepalli
- Department of Chemistry, Duke University, Durham, North Carolina 27708, United States
| | - Benjamin J. Wiley
- Department of Chemistry, Duke University, Durham, North Carolina 27708, United States
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43
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Yang Y, Chen Z, Song X, Zhang Z, Zhang J, Shung KK, Zhou Q, Chen Y. Biomimetic Anisotropic Reinforcement Architectures by Electrically Assisted Nanocomposite 3D Printing. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2017; 29:10.1002/adma.201605750. [PMID: 28185341 PMCID: PMC7032659 DOI: 10.1002/adma.201605750] [Citation(s) in RCA: 79] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/25/2016] [Revised: 12/09/2016] [Indexed: 05/23/2023]
Abstract
Biomimetic architectures with Bouligand-type carbon nanotubes are fabricated by an electrically assisted 3D-printing method. The enhanced impact resistance is attributed to the energy dissipation by the rotating anisotropic layers. This approach is used to mimic the collagen-fiber alignment in the human meniscus to create a reinforced artificial meniscus with circumferentially and radially aligned carbon nanotubes.
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Affiliation(s)
- Yang Yang
- Epstein Department of Industrial and Systems Engineering, Department of Aerospace and Mechanical Engineering, Viterbi School of Engineering, University of Southern California, 3715 McClintock Ave, Los Angeles, CA 90089-01932
| | - Zeyu Chen
- Department of Biomedical Engineering, Viterbi School of Engineering, University of Southern California. 3650 McClintock Ave, Los Angeles, CA 90089
- School of Materials Science and Engineering, Central South University, Changsha, Hunan, 410083, China
| | - Xuan Song
- Epstein Department of Industrial and Systems Engineering, Department of Aerospace and Mechanical Engineering, Viterbi School of Engineering, University of Southern California, 3715 McClintock Ave, Los Angeles, CA 90089-01932
- Department of Mechanical and Industrial Engineering, The University of Iowa, Iowa City, Iowa, 52242
| | - Zhuofeng Zhang
- Epstein Department of Industrial and Systems Engineering, Department of Aerospace and Mechanical Engineering, Viterbi School of Engineering, University of Southern California, 3715 McClintock Ave, Los Angeles, CA 90089-01932
| | - Jun Zhang
- Department of Biomedical Engineering, Viterbi School of Engineering, University of Southern California. 3650 McClintock Ave, Los Angeles, CA 90089
- School of Power and Mechanical Engineering, Wuhan University, Wuhan, 430072
| | - K. Kirk Shung
- Department of Biomedical Engineering, Viterbi School of Engineering, University of Southern California. 3650 McClintock Ave, Los Angeles, CA 90089
| | - Qifa Zhou
- Department of Biomedical Engineering, Viterbi School of Engineering, University of Southern California. 3650 McClintock Ave, Los Angeles, CA 90089
| | - Yong Chen
- Epstein Department of Industrial and Systems Engineering, Department of Aerospace and Mechanical Engineering, Viterbi School of Engineering, University of Southern California, 3715 McClintock Ave, Los Angeles, CA 90089-01932
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44
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Perez RA, Jung CR, Kim HW. Biomaterials and Culture Technologies for Regenerative Therapy of Liver Tissue. Adv Healthc Mater 2017; 6. [PMID: 27860372 DOI: 10.1002/adhm.201600791] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2016] [Revised: 09/10/2016] [Indexed: 12/18/2022]
Abstract
Regenerative approach has emerged to substitute the current extracorporeal technologies for the treatment of diseased and damaged liver tissue. This is based on the use of biomaterials that modulate the responses of hepatic cells through the unique matrix properties tuned to recapitulate regenerative functions. Cells in liver preserve their phenotype or differentiate through the interactions with extracellular matrix molecules. Therefore, the intrinsic properties of the engineered biomaterials, such as stiffness and surface topography, need to be tailored to induce appropriate cellular functions. The matrix physical stimuli can be combined with biochemical cues, such as immobilized functional groups or the delivered actions of signaling molecules. Furthermore, the external modulation of cells, through cocultures with nonparenchymal cells (e.g., endothelial cells) that can signal bioactive molecules, is another promising avenue to regenerate liver tissue. This review disseminates the recent approaches of regenerating liver tissue, with a focus on the development of biomaterials and the related culture technologies.
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Affiliation(s)
- Roman A. Perez
- Institute of Tissue Regeneration Engineering (ITREN); Dankook University; Cheonan 330-714 Republic of Korea
- Regenerative Medicine Research Institute; Universitat Internacional de Catalunya; Barcelona 08017 Spain
- Department of Nanobiomedical Science & BK21 PLUS NBM Global Research Center for Regenerative Medicine; Dankook University; Cheonan 330-714 Republic of Korea
| | - Cho-Rok Jung
- Gene Therapy Research Unit; KRIBB; 125 Gwahak-ro Yuseong-gu, Daejeon 34141 Republic of Korea
| | - Hae-Won Kim
- Institute of Tissue Regeneration Engineering (ITREN); Dankook University; Cheonan 330-714 Republic of Korea
- Department of Nanobiomedical Science & BK21 PLUS NBM Global Research Center for Regenerative Medicine; Dankook University; Cheonan 330-714 Republic of Korea
- Department of Biomaterials Science; Dankook University Dental College; Cheonan 330-714 Republic of Korea
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45
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Wang J, Su S, Qiu J. Biocompatible swelling graphene oxide reinforced double network hydrogels with high toughness and stiffness. NEW J CHEM 2017. [DOI: 10.1039/c6nj03791g] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
The graphene oxide reinforced hydrogel based meniscus achieves better shape stability and superior mechanical properties.
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Affiliation(s)
- Jilong Wang
- Department of Mechanical Engineering
- Texas Tech University
- Lubbock
- USA
| | - Siheng Su
- Department of Mechanical Engineering
- Texas Tech University
- Lubbock
- USA
| | - Jingjing Qiu
- Department of Mechanical Engineering
- Texas Tech University
- Lubbock
- USA
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46
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Zhu F, Cheng L, Yin J, Wu ZL, Qian J, Fu J, Zheng Q. 3D Printing of Ultratough Polyion Complex Hydrogels. ACS APPLIED MATERIALS & INTERFACES 2016; 8:31304-31310. [PMID: 27779379 DOI: 10.1021/acsami.6b09881] [Citation(s) in RCA: 54] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
Polyion complex (PIC) hydrogels have been proposed as promising engineered soft materials due to their high toughness and good processability. In this work, we reported manufacturing of complex structures with tough PIC hydrogels based on three-dimensional (3D) printing technology. The strategy relies on the distinct strength of ionic bonding in PIC hydrogels at different stages of printing. In concentrated saline solution, PIC forms viscous solution, which can be directly extruded out of a nozzle into water, where dialyzing out of salt and counterions results in sol-gel transition to form tough physical PIC gel with intricate structures. The printability of PIC solutions was systematically investigated by adjusting the PIC material formula and printing parameters in which proper viscosity and gelation rate were found to be key factors for successful 3D printing. Uniaxial tensile tests were performed to printed single fibers and multilayer grids, both exhibiting distinct yet controllable strength and toughness. More complex 3D structures with negative Poisson's ratio, gradient grid, and material anisotropy were constructed as well, demonstrating the flexible printability of PIC hydrogels. The methodology and capability here provide a versatile platform to fabricate complex structures with tough PIC hydrogels, which should broaden the use of such materials in applications such as biomedical devices and artificial tissues.
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Affiliation(s)
| | - Libo Cheng
- The State Key Laboratory of Fluid Power and Mechatronic Systems, Key Laboratory of 3D Printing Process and Equipment of Zhejiang Province, School of Mechanical Engineering, Zhejiang University , Hangzhou 310028, China
| | - Jun Yin
- The State Key Laboratory of Fluid Power and Mechatronic Systems, Key Laboratory of 3D Printing Process and Equipment of Zhejiang Province, School of Mechanical Engineering, Zhejiang University , Hangzhou 310028, China
| | | | | | - Jianzhong Fu
- The State Key Laboratory of Fluid Power and Mechatronic Systems, Key Laboratory of 3D Printing Process and Equipment of Zhejiang Province, School of Mechanical Engineering, Zhejiang University , Hangzhou 310028, China
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47
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Cui K, Sun TL, Kurokawa T, Nakajima T, Nonoyama T, Chen L, Gong JP. Stretching-induced ion complexation in physical polyampholyte hydrogels. SOFT MATTER 2016; 12:8833-8840. [PMID: 27722423 DOI: 10.1039/c6sm01833e] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
Recently, we have developed a series of charge balanced polyampholyte (PA) physical hydrogels by random copolymerization in water, which show extraordinarily high toughness, self-healing ability and viscoelasticity. The excellent performance of PA hydrogels is ascribed to dynamic ionic bond formation through inter- and intra-chain interactions. The randomness results in ionic bonds of wide strength distribution, the strong bonds, which serve as permanent crosslinking, imparting the elasticity, while the weak bonds reversibly break and re-form, dissipating energy. In this work, we developed a simple physical method, called a pre-stretching method, to promote the performance of PA hydrogels. By imposing a pre-stretching on the sample in the as-prepared state, ion complexation during dialysis is prominently accelerated and the final performance is largely promoted. Further analysis suggests that the strong bond formation induced by pre-stretching is responsible for the change in final performance. Pre-stretching decreases the entropy of the system and increases the chain alignment, resulting in an increased possibility for strong bond formation.
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Affiliation(s)
- Kunpeng Cui
- Faculty of Advanced Life Science, Hokkaido University, Sapporo 060-0810, Japan.
| | - Tao Lin Sun
- Faculty of Advanced Life Science, Hokkaido University, Sapporo 060-0810, Japan. and Global Station for Soft Matter, Global Institution for Collaborative Research and Education, Hokkaido University, Sapporo, Japan
| | - Takayuki Kurokawa
- Faculty of Advanced Life Science, Hokkaido University, Sapporo 060-0810, Japan. and Global Station for Soft Matter, Global Institution for Collaborative Research and Education, Hokkaido University, Sapporo, Japan
| | - Tasuku Nakajima
- Faculty of Advanced Life Science, Hokkaido University, Sapporo 060-0810, Japan. and Global Station for Soft Matter, Global Institution for Collaborative Research and Education, Hokkaido University, Sapporo, Japan
| | - Takayuki Nonoyama
- Faculty of Advanced Life Science, Hokkaido University, Sapporo 060-0810, Japan. and Global Station for Soft Matter, Global Institution for Collaborative Research and Education, Hokkaido University, Sapporo, Japan
| | - Liang Chen
- Graduate School of Life Science, Hokkaido University, Sapporo, Japan
| | - Jian Ping Gong
- Faculty of Advanced Life Science, Hokkaido University, Sapporo 060-0810, Japan. and Global Station for Soft Matter, Global Institution for Collaborative Research and Education, Hokkaido University, Sapporo, Japan
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Abstract
Three-dimensional (3D) printing is becoming an increasingly common technique to fabricate scaffolds and devices for tissue engineering applications. This is due to the potential of 3D printing to provide patient-specific designs, high structural complexity, rapid on-demand fabrication at a low-cost. One of the major bottlenecks that limits the widespread acceptance of 3D printing in biomanufacturing is the lack of diversity in "biomaterial inks". Printability of a biomaterial is determined by the printing technique. Although a wide range of biomaterial inks including polymers, ceramics, hydrogels and composites have been developed, the field is still struggling with processing of these materials into self-supporting devices with tunable mechanics, degradation, and bioactivity. This review aims to highlight the past and recent advances in biomaterial ink development and design considerations moving forward. A brief overview of 3D printing technologies focusing on ink design parameters is also included.
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Affiliation(s)
- Murat Guvendiren
- New Jersey Center for Biomaterials, Rutgers—The State University of New Jersey, 145 Bevier Road, Piscataway, New Jersey 08854, United States
| | - Joseph Molde
- New Jersey Center for Biomaterials, Rutgers—The State University of New Jersey, 145 Bevier Road, Piscataway, New Jersey 08854, United States
| | - Rosane M.D. Soares
- Laboratório de Biomateriais Poliméricos (Poli-Bio), Institute of Chemistry, Universidade Federal do Rio Grande do Sul, Avenida Bento Gonçaves, 9500, 91501-970 Porto Alegre, Brazil
| | - Joachim Kohn
- New Jersey Center for Biomaterials, Rutgers—The State University of New Jersey, 145 Bevier Road, Piscataway, New Jersey 08854, United States
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Pawar AA, Saada G, Cooperstein I, Larush L, Jackman JA, Tabaei SR, Cho NJ, Magdassi S. High-performance 3D printing of hydrogels by water-dispersible photoinitiator nanoparticles. SCIENCE ADVANCES 2016; 2:e1501381. [PMID: 27051877 PMCID: PMC4820376 DOI: 10.1126/sciadv.1501381] [Citation(s) in RCA: 121] [Impact Index Per Article: 15.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/04/2015] [Accepted: 02/27/2016] [Indexed: 05/17/2023]
Abstract
In the absence of water-soluble photoinitiators with high absorbance in the ultraviolet (UV)-visible range, rapid three-dimensional (3D) printing of hydrogels for tissue engineering is challenging. A new approach enabling rapid 3D printing of hydrogels in aqueous solutions is presented on the basis of UV-curable inks containing nanoparticles of highly efficient but water-insoluble photoinitiators. The extinction coefficient of the new water-dispersible nanoparticles of 2,4,6-trimethylbenzoyl-diphenylphosphine oxide (TPO) is more than 300 times larger than the best and most used commercially available water-soluble photoinitiator. The TPO nanoparticles absorb significantly in the range from 385 to 420 nm, making them suitable for use in commercially available, low-cost, light-emitting diode-based 3D printers using digital light processing. The polymerization rate at this range is very fast and enables 3D printing that otherwise is impossible to perform without adding solvents. The TPO nanoparticles were prepared by rapid conversion of volatile microemulsions into water-dispersible powder, a process that can be used for a variety of photoinitiators. Such water-dispersible photoinitiator nanoparticles open many opportunities to enable rapid 3D printing of structures prepared in aqueous solutions while bringing environmental advantages by using low-energy curing systems and avoiding the need for solvents.
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Affiliation(s)
- Amol A. Pawar
- Casali Center of Applied Chemistry, Institute of Chemistry, The Hebrew University of Jerusalem, 91904 Jerusalem, Israel
| | - Gabriel Saada
- Casali Center of Applied Chemistry, Institute of Chemistry, The Hebrew University of Jerusalem, 91904 Jerusalem, Israel
| | - Ido Cooperstein
- Casali Center of Applied Chemistry, Institute of Chemistry, The Hebrew University of Jerusalem, 91904 Jerusalem, Israel
| | - Liraz Larush
- Casali Center of Applied Chemistry, Institute of Chemistry, The Hebrew University of Jerusalem, 91904 Jerusalem, Israel
| | - Joshua A. Jackman
- School of Materials Science and Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore 639798, Singapore
- School of Chemical and Biomedical Engineering, Nanyang Technological University, 62 Nanyang Drive, Singapore 637459, Singapore
| | - Seyed R. Tabaei
- School of Materials Science and Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore 639798, Singapore
- School of Chemical and Biomedical Engineering, Nanyang Technological University, 62 Nanyang Drive, Singapore 637459, Singapore
| | - Nam-Joon Cho
- School of Materials Science and Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore 639798, Singapore
- School of Chemical and Biomedical Engineering, Nanyang Technological University, 62 Nanyang Drive, Singapore 637459, Singapore
| | - Shlomo Magdassi
- Casali Center of Applied Chemistry, Institute of Chemistry, The Hebrew University of Jerusalem, 91904 Jerusalem, Israel
- Corresponding author. E-mail:
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