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Wu Y, Yang X, Gupta D, Alioglu MA, Qin M, Ozbolat V, Li Y, Ozbolat IT. Dissecting the Interplay Mechanism among Process Parameters toward the Biofabrication of High-Quality Shapes in Embedded Bioprinting. ADVANCED FUNCTIONAL MATERIALS 2024; 34:2313088. [PMID: 38952568 PMCID: PMC11216718 DOI: 10.1002/adfm.202313088] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/23/2023] [Indexed: 07/03/2024]
Abstract
Embedded bioprinting overcomes the barriers associated with the conventional extrusion-based bioprinting process as it enables the direct deposition of bioinks in 3D inside a support bath by providing in situ self-support for deposited bioinks during bioprinting to prevent their collapse and deformation. Embedded bioprinting improves the shape quality of bioprinted constructs made up of soft materials and low-viscosity bioinks, leading to a promising strategy for better anatomical mimicry of tissues or organs. Herein, the interplay mechanism among the printing process parameters toward improved shape quality is critically reviewed. The impact of material properties of the support bath and bioink, printing conditions, cross-linking mechanisms, and post-printing treatment methods, on the printing fidelity, stability, and resolution of the structures is meticulously dissected and thoroughly discussed. Further, the potential scope and applications of this technology in the fields of bioprinting and regenerative medicine are presented. Finally, outstanding challenges and opportunities of embedded bioprinting as well as its promise for fabricating functional solid organs in the future are discussed.
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Affiliation(s)
- Yang Wu
- School of Mechanical Engineering and Automation, Harbin Institute of Technology, Shenzhen 518055, China
| | - Xue Yang
- School of Mechanical Engineering and Automation, Harbin Institute of Technology, Shenzhen 518055, China
| | - Deepak Gupta
- The Huck Institutes of the Life Sciences, Penn State University University Park, PA 16802, USA
- Engineering Science and Mechanics Department, Penn State University, University Park, PA 16802, USA
| | - Mecit Altan Alioglu
- The Huck Institutes of the Life Sciences, Penn State University University Park, PA 16802, USA
- Engineering Science and Mechanics Department, Penn State University, University Park, PA 16802, USA
| | - Minghao Qin
- School of Mechanical Engineering and Automation, Harbin Institute of Technology, Shenzhen 518055, China
| | - Veli Ozbolat
- Biotechnology Research and Application Center, Cukurova University, Adana 01130, Turkey
- Ceyhan Engineering Faculty, Mechanical Engineering Department, Cukurova University, Adana 01330, Turkey
- Institute of Natural and Applied Sciences, Tissue Engineering Department, Cukurova University, Adana 01130, Turkey
| | - Yao Li
- School of Mechanical Engineering and Automation, Harbin Institute of Technology, Shenzhen 518055, China
| | - Ibrahim T Ozbolat
- The Huck Institutes of the Life Sciences, Penn State University University Park, PA 16802, USA
- Engineering Science and Mechanics Department, Penn State University, University Park, PA 16802, USA
- Department of Biomedical Engineering, Penn State University, University Park, PA 16802, USA
- Materials Research Institute, Penn State University, University Park, PA 16802, USA
- Department of Neurosurgery, Penn State College of Medicine, Hershey, PA 17033, USA
- Penn State Cancer Institute, Penn State University, Hershey, PA 17033, USA
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Liu S, Wang T, Li S, Wang X. Application Status of Sacrificial Biomaterials in 3D Bioprinting. Polymers (Basel) 2022; 14:polym14112182. [PMID: 35683853 PMCID: PMC9182955 DOI: 10.3390/polym14112182] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2022] [Revised: 05/20/2022] [Accepted: 05/23/2022] [Indexed: 02/04/2023] Open
Abstract
Additive manufacturing, also known as three-dimensional (3D) printing, relates to several rapid prototyping (RP) technologies, and has shown great potential in the manufacture of organoids and even complex bioartificial organs. A major challenge for 3D bioprinting complex org unit ans is the competitive requirements with respect to structural biomimeticability, material integrability, and functional manufacturability. Over the past several years, 3D bioprinting based on sacrificial templates has shown its unique advantages in building hierarchical vascular networks in complex organs. Sacrificial biomaterials as supporting structures have been used widely in the construction of tubular tissues. The advent of suspension printing has enabled the precise printing of some soft biomaterials (e.g., collagen and fibrinogen), which were previously considered unprintable singly with cells. In addition, the introduction of sacrificial biomaterials can improve the porosity of biomaterials, making the printed structures more favorable for cell proliferation, migration and connection. In this review, we mainly consider the latest developments and applications of 3D bioprinting based on the strategy of sacrificial biomaterials, discuss the basic principles of sacrificial templates, and look forward to the broad prospects of this approach for complex organ engineering or manufacturing.
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Affiliation(s)
- Siyu Liu
- Center of 3D Printing & Organ Manufacturing, School of Intelligent Medicine, China Medical University (CMU), No. 77 Puhe Road, Shenyang North New Area, Shenyang 110122, China; (S.L.); (T.W.); (S.L.)
| | - Tianlin Wang
- Center of 3D Printing & Organ Manufacturing, School of Intelligent Medicine, China Medical University (CMU), No. 77 Puhe Road, Shenyang North New Area, Shenyang 110122, China; (S.L.); (T.W.); (S.L.)
| | - Shenglong Li
- Center of 3D Printing & Organ Manufacturing, School of Intelligent Medicine, China Medical University (CMU), No. 77 Puhe Road, Shenyang North New Area, Shenyang 110122, China; (S.L.); (T.W.); (S.L.)
| | - Xiaohong Wang
- Center of 3D Printing & Organ Manufacturing, School of Intelligent Medicine, China Medical University (CMU), No. 77 Puhe Road, Shenyang North New Area, Shenyang 110122, China; (S.L.); (T.W.); (S.L.)
- Center of Organ Manufacturing, Department of Mechanical Engineering, Tsinghua University, Beijing 100084, China
- Correspondence: or ; Tel./Fax: +86-24-31900983
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Feng Q, Li D, Li Q, Cao X, Dong H. Microgel assembly: Fabrication, characteristics and application in tissue engineering and regenerative medicine. Bioact Mater 2022; 9:105-119. [PMID: 34820559 PMCID: PMC8586262 DOI: 10.1016/j.bioactmat.2021.07.020] [Citation(s) in RCA: 49] [Impact Index Per Article: 24.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2021] [Revised: 06/30/2021] [Accepted: 07/17/2021] [Indexed: 12/15/2022] Open
Abstract
Microgel assembly, a macroscopic aggregate formed by bottom-up assembly of microgels, is now emerging as prospective biomaterials for applications in tissue engineering and regenerative medicine (TERM). This mini-review first summarizes the fabrication strategies available for microgel assembly, including chemical reaction, physical reaction, cell-cell interaction and external driving force, then highlights its unique characteristics, such as microporosity, injectability and heterogeneity, and finally itemizes its applications in the fields of cell culture, tissue regeneration and biofabrication, especially 3D printing. The problems to be addressed for further applications of microgel assembly are also discussed.
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Affiliation(s)
- Qi Feng
- Department of Biomedical Engineering, School of Materials Science and Engineering, South China University of Technology, Guangzhou, China
- National Engineering Research Center for Tissue Restoration and Reconstruction (NERC-TRR), Guangzhou, China
- Key Laboratory of Biomedical Materials and Engineering of the Ministry of Education, South China University of Technology, Guangzhou, China
| | - Dingguo Li
- Department of Biomedical Engineering, School of Materials Science and Engineering, South China University of Technology, Guangzhou, China
- National Engineering Research Center for Tissue Restoration and Reconstruction (NERC-TRR), Guangzhou, China
- Guangdong Province Key Laboratory of Biomedical Engineering, South China University of Technology, Guangzhou, China
| | - Qingtao Li
- National Engineering Research Center for Tissue Restoration and Reconstruction (NERC-TRR), Guangzhou, China
- School of Medicine, South China University of Technology, Guangzhou, China
| | - Xiaodong Cao
- Department of Biomedical Engineering, School of Materials Science and Engineering, South China University of Technology, Guangzhou, China
- National Engineering Research Center for Tissue Restoration and Reconstruction (NERC-TRR), Guangzhou, China
- Key Laboratory of Biomedical Materials and Engineering of the Ministry of Education, South China University of Technology, Guangzhou, China
| | - Hua Dong
- Department of Biomedical Engineering, School of Materials Science and Engineering, South China University of Technology, Guangzhou, China
- National Engineering Research Center for Tissue Restoration and Reconstruction (NERC-TRR), Guangzhou, China
- Guangdong Province Key Laboratory of Biomedical Engineering, South China University of Technology, Guangzhou, China
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Zhang Q, Zhang Z, Liang Q, Shi Q, Zhu M, Lee C. All in One, Self-Powered Bionic Artificial Nerve Based on a Triboelectric Nanogenerator. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2021; 8:2004727. [PMID: 34194933 PMCID: PMC8224437 DOI: 10.1002/advs.202004727] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/08/2020] [Revised: 01/14/2021] [Indexed: 05/21/2023]
Abstract
Sensory and nerve systems play important role in mediating the interactions with the world. The pursuit of neuromorphic computing has inspired innovations in artificial sensory and nervous systems. Here, an all-in-one, tailorable artificial perception, and transmission nerve (APTN) was developed for mimicking the biological sensory and nervous ability to detect and transmit the location information of mechanical stimulation. The APTN shows excellent reliability with a single triboelectric electrode for the detection of multiple pixels, by employing a gradient thickness dielectric layer and a grid surface structure. The sliding mode is used on the APTN to eliminate the amplitude influence of output signal, such as force, interlayer distance. By tailoring the geometry, an L-shaped APTN is demonstrated for the application of single-electrode bionic artificial nerve for 2D detection. In addition, an APTN based prosthetic arm is also fabricated to biomimetically identify and transmit the stimuli location signal to pattern the feedback. With features of low-cost, easy installation, and good flexibility, the APTN renders as a promising artificial sensory and nervous system for artificial intelligence, human-machine interface, and robotics applications.
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Affiliation(s)
- Qian Zhang
- Department of Electrical and Computer EngineeringNational University of Singapore4 Engineering Drive 3Singapore117576Singapore
- Center for Intelligent Sensors and MEMS (CISM)National University of Singapore5 Engineering Drive 1Singapore117608Singapore
| | - Zixuan Zhang
- Department of Electrical and Computer EngineeringNational University of Singapore4 Engineering Drive 3Singapore117576Singapore
- Center for Intelligent Sensors and MEMS (CISM)National University of Singapore5 Engineering Drive 1Singapore117608Singapore
- National University of Singapore Suzhou Research Institute (NUSRI)Suzhou Industrial ParkSuzhou215123China
| | - Qijie Liang
- Department of PhysicsNational University of Singapore2 Science Drive 3Singapore117551Singapore
| | - Qiongfeng Shi
- Department of Electrical and Computer EngineeringNational University of Singapore4 Engineering Drive 3Singapore117576Singapore
- Center for Intelligent Sensors and MEMS (CISM)National University of Singapore5 Engineering Drive 1Singapore117608Singapore
- National University of Singapore Suzhou Research Institute (NUSRI)Suzhou Industrial ParkSuzhou215123China
- Singapore Institute of Manufacturing Technology and National University of Singapore (SIMTech‐NUS) Joint Lab on Large‐area Flexible Hybrid ElectronicsNational University of Singapore4 Engineering Drive 3Singapore117576Singapore
| | - Minglu Zhu
- Department of Electrical and Computer EngineeringNational University of Singapore4 Engineering Drive 3Singapore117576Singapore
- Center for Intelligent Sensors and MEMS (CISM)National University of Singapore5 Engineering Drive 1Singapore117608Singapore
- National University of Singapore Suzhou Research Institute (NUSRI)Suzhou Industrial ParkSuzhou215123China
- Singapore Institute of Manufacturing Technology and National University of Singapore (SIMTech‐NUS) Joint Lab on Large‐area Flexible Hybrid ElectronicsNational University of Singapore4 Engineering Drive 3Singapore117576Singapore
| | - Chengkuo Lee
- Department of Electrical and Computer EngineeringNational University of Singapore4 Engineering Drive 3Singapore117576Singapore
- Center for Intelligent Sensors and MEMS (CISM)National University of Singapore5 Engineering Drive 1Singapore117608Singapore
- National University of Singapore Suzhou Research Institute (NUSRI)Suzhou Industrial ParkSuzhou215123China
- Singapore Institute of Manufacturing Technology and National University of Singapore (SIMTech‐NUS) Joint Lab on Large‐area Flexible Hybrid ElectronicsNational University of Singapore4 Engineering Drive 3Singapore117576Singapore
- NUS Graduate School for Integrative Science and Engineering (NGS)National University of SingaporeSingapore117456Singapore
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Shiwarski DJ, Hudson AR, Tashman JW, Feinberg AW. Emergence of FRESH 3D printing as a platform for advanced tissue biofabrication. APL Bioeng 2021; 5:010904. [PMID: 33644626 PMCID: PMC7889293 DOI: 10.1063/5.0032777] [Citation(s) in RCA: 84] [Impact Index Per Article: 28.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2020] [Accepted: 01/06/2021] [Indexed: 12/15/2022] Open
Abstract
In tissue engineering, an unresolved challenge is how to build complex 3D scaffolds in order to recreate the structure and function of human tissues and organs. Additive manufacturing techniques, such as 3D bioprinting, have the potential to build biological material with unprecedented spatial control; however, printing soft biological materials in air often results in poor fidelity. Freeform Reversible Embedding of Suspended Hydrogels (FRESH) is an embedded printing approach that solves this problem by extruding bioinks within a yield-stress support bath that holds the bioinks in place until cured. In this Perspective, we discuss the challenges of 3D printing soft and liquid-like bioinks and the emergence for FRESH and related embedded printing techniques as a solution. This includes the development of FRESH and embedded 3D printing within the bioprinting field and the rapid growth in adoption, as well as the advantages of FRESH printing for biofabrication and the new research results this has enabled. Specific focus is on the customizability of the FRESH printing technique where the chemical composition of the yield-stress support bath and aqueous phase crosslinker can all be tailored for printing a wide range of bioinks in complex 3D structures. Finally, we look ahead at the future of FRESH printing, discussing both the challenges and the opportunities that we see as the biofabrication field develops.
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Affiliation(s)
- Daniel J. Shiwarski
- Department of Biomedical Engineering, Carnegie Mellon University, Pittsburgh, Pennsylvania 15213, USA
| | - Andrew R. Hudson
- Department of Biomedical Engineering, Carnegie Mellon University, Pittsburgh, Pennsylvania 15213, USA
| | - Joshua W. Tashman
- Department of Biomedical Engineering, Carnegie Mellon University, Pittsburgh, Pennsylvania 15213, USA
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