1
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Swarupa S, Thareja P. Techniques, applications and prospects of polysaccharide and protein based biopolymer coatings: A review. Int J Biol Macromol 2024; 266:131104. [PMID: 38522703 DOI: 10.1016/j.ijbiomac.2024.131104] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2023] [Revised: 03/20/2024] [Accepted: 03/21/2024] [Indexed: 03/26/2024]
Abstract
The growing relevance of sustainable materials has recently led to the exploration of naturally derived biopolymeric hydrogels as coating materials due to their biodegradability, biocompatibility, ease of fabrication and modification. Although many review articles exist on biopolymeric coatings, they mainly focus on a specific polysaccharide, protein biopolymer, or a particular application- biomedical engineering or food preservation. The current review first summarizes the commonly used polysaccharide and protein-based biopolymers like chitosan, alginate, carrageenan, pectin, cellulose, starch, pullulan, agarose and silk fibroin, gelatin, respectively, with a systematic description of the techniques widely used for physical coating on substrates. Then, broad applications of these biopolymeric coatings on various substrates in biomedical engineering- 3D scaffolds, biomedical implants, and nanoparticles are described in detail. It also entails the application of biopolymeric coatings for food preservation in the form of food packaging and edible coatings. A brief discussion on the newly discovered interest in exploring biopolymers for anticorrosive coating applications is also included. Finally, concluding remarks on the role of biopolymer microstructures in forming homogeneous coatings, prospective alternatives to the currently used biopolymers as coating material and the advent of computer-aided technologies to expedite experimental findings are presented.
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Affiliation(s)
- Sanchari Swarupa
- Biological Sciences and Engineering, IIT Gandhinagar, Palaj, Gujarat 382355, India
| | - Prachi Thareja
- Chemical Engineering, Dr. Kiran C. Patel Centre for Sustainable Development, IIT Gandhinagar, Palaj, Gujarat 382355, India.
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2
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An J, Zhang S, Wu J, Chen H, Xu G, Hou Y, Liu R, Li N, Cui W, Li X, Du Y, Gu Q. Assessing bioartificial organ function: the 3P model framework and its validation. LAB ON A CHIP 2024; 24:1586-1601. [PMID: 38362645 DOI: 10.1039/d3lc01020a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/17/2024]
Abstract
The rapid advancement in the fabrication and culture of in vitro organs has marked a new era in biomedical research. While strides have been made in creating structurally diverse bioartificial organs, such as the liver, which serves as the focal organ in our study, the field lacks a uniform approach for the predictive assessment of liver function. Our research bridges this gap with the introduction of a novel, machine-learning-based "3P model" framework. This model draws on a decade of experimental data across diverse culture platform studies, aiming to identify critical fabrication parameters affecting liver function, particularly in terms of albumin and urea secretion. Through meticulous statistical analysis, we evaluated the functional sustainability of the in vitro liver models. Despite the diversity of research methodologies and the consequent scarcity of standardized data, our regression model effectively captures the patterns observed in experimental findings. The insights gleaned from our study shed light on optimizing culture conditions and advance the evaluation of the functional maintenance capacity of bioartificial livers. This sets a precedent for future functional evaluations of bioartificial organs using machine learning.
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Affiliation(s)
- Jingmin An
- Key Laboratory of Organ Regeneration and Reconstruction, State Key Laboratory of Membrane Biology, The State Key Laboratory of Stem Cell and Reproductive Biology, Institute of Zoology, Chaoyang District, Beijing, 100101, P. R. China.
- Beijing Institute for Stem Cell and Regenerative Medicine, Chaoyang District, Beijing, 100101, P. R. China
- Peking-Tsinghua Center for Life Sciences, Academy for Advanced Interdisciplinary Studies, Peking University, Beijing, 100871, P. R. China
| | - Shuyu Zhang
- Key Laboratory of Organ Regeneration and Reconstruction, State Key Laboratory of Membrane Biology, The State Key Laboratory of Stem Cell and Reproductive Biology, Institute of Zoology, Chaoyang District, Beijing, 100101, P. R. China.
- Beijing Institute for Stem Cell and Regenerative Medicine, Chaoyang District, Beijing, 100101, P. R. China
| | - Juan Wu
- Key Laboratory of Organ Regeneration and Reconstruction, State Key Laboratory of Membrane Biology, The State Key Laboratory of Stem Cell and Reproductive Biology, Institute of Zoology, Chaoyang District, Beijing, 100101, P. R. China.
- Beijing Institute for Stem Cell and Regenerative Medicine, Chaoyang District, Beijing, 100101, P. R. China
- University of Chinese Academy of Sciences, Huairou District, Beijing, 100149, P. R. China
| | - Haolin Chen
- Key Laboratory of Organ Regeneration and Reconstruction, State Key Laboratory of Membrane Biology, The State Key Laboratory of Stem Cell and Reproductive Biology, Institute of Zoology, Chaoyang District, Beijing, 100101, P. R. China.
- Beijing Institute for Stem Cell and Regenerative Medicine, Chaoyang District, Beijing, 100101, P. R. China
- University of Chinese Academy of Sciences, Huairou District, Beijing, 100149, P. R. China
| | - Guoshi Xu
- Key Laboratory of Organ Regeneration and Reconstruction, State Key Laboratory of Membrane Biology, The State Key Laboratory of Stem Cell and Reproductive Biology, Institute of Zoology, Chaoyang District, Beijing, 100101, P. R. China.
- Beijing Institute for Stem Cell and Regenerative Medicine, Chaoyang District, Beijing, 100101, P. R. China
- University of Chinese Academy of Sciences, Huairou District, Beijing, 100149, P. R. China
| | - Yifan Hou
- Key Laboratory of Organ Regeneration and Reconstruction, State Key Laboratory of Membrane Biology, The State Key Laboratory of Stem Cell and Reproductive Biology, Institute of Zoology, Chaoyang District, Beijing, 100101, P. R. China.
- Beijing Institute for Stem Cell and Regenerative Medicine, Chaoyang District, Beijing, 100101, P. R. China
- University of Chinese Academy of Sciences, Huairou District, Beijing, 100149, P. R. China
| | - Ruoyu Liu
- Key Laboratory of Organ Regeneration and Reconstruction, State Key Laboratory of Membrane Biology, The State Key Laboratory of Stem Cell and Reproductive Biology, Institute of Zoology, Chaoyang District, Beijing, 100101, P. R. China.
- Beijing Institute for Stem Cell and Regenerative Medicine, Chaoyang District, Beijing, 100101, P. R. China
| | - Na Li
- Computer Network Information Center, Chinese Academy of Sciences, Beijing, 100864, P.R. China.
| | - Wenjuan Cui
- Computer Network Information Center, Chinese Academy of Sciences, Beijing, 100864, P.R. China.
- University of Chinese Academy of Sciences, Huairou District, Beijing, 100149, P. R. China
| | - Xin Li
- Key Laboratory of Organ Regeneration and Reconstruction, State Key Laboratory of Membrane Biology, The State Key Laboratory of Stem Cell and Reproductive Biology, Institute of Zoology, Chaoyang District, Beijing, 100101, P. R. China.
- Beijing Institute for Stem Cell and Regenerative Medicine, Chaoyang District, Beijing, 100101, P. R. China
- University of Chinese Academy of Sciences, Huairou District, Beijing, 100149, P. R. China
| | - Yi Du
- Computer Network Information Center, Chinese Academy of Sciences, Beijing, 100864, P.R. China.
- University of Chinese Academy of Sciences, Huairou District, Beijing, 100149, P. R. China
| | - Qi Gu
- Key Laboratory of Organ Regeneration and Reconstruction, State Key Laboratory of Membrane Biology, The State Key Laboratory of Stem Cell and Reproductive Biology, Institute of Zoology, Chaoyang District, Beijing, 100101, P. R. China.
- Beijing Institute for Stem Cell and Regenerative Medicine, Chaoyang District, Beijing, 100101, P. R. China
- University of Chinese Academy of Sciences, Huairou District, Beijing, 100149, P. R. China
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3
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Singh AK, Pramanik K. Fabrication and investigation of physicochemical and biological properties of
3D
printed sodium alginate‐chitosan blend polyelectrolyte complex scaffold for bone tissue engineering application. J Appl Polym Sci 2023. [DOI: 10.1002/app.53642] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Affiliation(s)
- Amit Kumar Singh
- Center of Excellence in Tissue Engineering, Department of Biotechnology & Medical Engineering National Institute of Technology Rourkela Rourkela Odisha India
| | - Krishna Pramanik
- Center of Excellence in Tissue Engineering, Department of Biotechnology & Medical Engineering National Institute of Technology Rourkela Rourkela Odisha India
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4
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van der Heide D, Cidonio G, Stoddart M, D'Este M. 3D printing of inorganic-biopolymer composites for bone regeneration. Biofabrication 2022; 14. [PMID: 36007496 DOI: 10.1088/1758-5090/ac8cb2] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2022] [Accepted: 08/25/2022] [Indexed: 11/12/2022]
Abstract
In most cases, bone injuries heal without complications, however, there is an increasing number of instances where bone healing needs major clinical intervention. Available treatment options have severe drawbacks, such as donor site morbidity and limited availability for autografting. Bone graft substitutes containing growth factors would be a viable alternative, however they have been associated with dose-related safety concerns and lack control over spatial architecture to anatomically match bone defect sites. 3D printing offers a solution to produce patient specific bone graft substitutes that are customized to the patient bone defect with temporal control over the incorporated therapeutics to maximize their efficacy. Inspired by the natural constitution of bone tissue, composites made of inorganic phases, such as nanosilicate particles, calcium phosphate, and bioactive glasses, combined with biopolymer matrices have been investigated as building blocks for the biofabrication of bone constructs. Besides capturing elements of the bone physiological structure, these inorganic/organic composites can be designed for specific cohesivity, rheological and mechanical properties, while both inorganic and organic constituents contribute to the composite bioactivity. This review provides an overview of 3D printed composite biomaterial-inks for bone tissue engineering. Furthermore, key aspects in biomaterial-ink design, 3D printing techniques, and the building blocks for composite biomaterial-inks are summarized.
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Affiliation(s)
- Daphne van der Heide
- AO Research Institute Davos, Clavadelerstrasse, 8, Davos Platz, Davos, Graubünden, 7270, SWITZERLAND
| | - Gianluca Cidonio
- Istituto Italiano di Tecnologia Center for Life Nano Science, 3D Microfluidic Biofabrication Laboratory, Roma, Lazio, 00161, ITALY
| | - Martin Stoddart
- AO Research Institute Davos, Clavadelerstrasse 8, 7270 Davos, Davos, Graubünden, 7270, SWITZERLAND
| | - Matteo D'Este
- AO Research Institute Davos, Clavadelerstrasse 8, Davos, Graubünden, 7270, SWITZERLAND
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5
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Hurtado A, Aljabali AAA, Mishra V, Tambuwala MM, Serrano-Aroca Á. Alginate: Enhancement Strategies for Advanced Applications. Int J Mol Sci 2022; 23:ijms23094486. [PMID: 35562876 PMCID: PMC9102972 DOI: 10.3390/ijms23094486] [Citation(s) in RCA: 32] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2022] [Revised: 04/14/2022] [Accepted: 04/17/2022] [Indexed: 02/06/2023] Open
Abstract
Alginate is an excellent biodegradable and renewable material that is already used for a broad range of industrial applications, including advanced fields, such as biomedicine and bioengineering, due to its excellent biodegradable and biocompatible properties. This biopolymer can be produced from brown algae or a microorganism culture. This review presents the principles, chemical structures, gelation properties, chemical interactions, production, sterilization, purification, types, and alginate-based hydrogels developed so far. We present all of the advanced strategies used to remarkably enhance this biopolymer’s physicochemical and biological characteristics in various forms, such as injectable gels, fibers, films, hydrogels, and scaffolds. Thus, we present here all of the material engineering enhancement approaches achieved so far in this biopolymer in terms of mechanical reinforcement, thermal and electrical performance, wettability, water sorption and diffusion, antimicrobial activity, in vivo and in vitro biological behavior, including toxicity, cell adhesion, proliferation, and differentiation, immunological response, biodegradation, porosity, and its use as scaffolds for tissue engineering applications. These improvements to overcome the drawbacks of the alginate biopolymer could exponentially increase the significant number of alginate applications that go from the paper industry to the bioprinting of organs.
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Affiliation(s)
- Alejandro Hurtado
- Biomaterials and Bioengineering Laboratory, Centro de Investigación Traslacional San Alberto Magno, Universidad Católica de Valencia San Vicente Mártir, c/Guillem de Castro 94, 46001 Valencia, Spain;
| | - Alaa A. A. Aljabali
- Department of Pharmaceutics and Pharmaceutical Technology, Faculty of Pharmacy, Yarmouk University, Irbid 21163, Jordan;
| | - Vijay Mishra
- School of Pharmaceutical Sciences, Lovely Professional University, Phagwara 144411, Punjab, India;
| | - Murtaza M. Tambuwala
- School of Pharmacy and Pharmaceutical Science, Ulster University, Coleraine BT52 1SA, Northern Ireland, UK;
| | - Ángel Serrano-Aroca
- Biomaterials and Bioengineering Laboratory, Centro de Investigación Traslacional San Alberto Magno, Universidad Católica de Valencia San Vicente Mártir, c/Guillem de Castro 94, 46001 Valencia, Spain;
- Correspondence:
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6
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Condi Mainardi J, Rezwan K, Maas M. Genipin-crosslinked chitosan/alginate/alumina nanocomposite gels for 3D bioprinting. Bioprocess Biosyst Eng 2022; 45:171-185. [PMID: 34664115 PMCID: PMC8732963 DOI: 10.1007/s00449-021-02650-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2021] [Accepted: 09/30/2021] [Indexed: 01/15/2023]
Abstract
Immobilizing microorganisms inside 3D printed semi-permeable substrates can be desirable for biotechnological processes since it simplifies product separation and purification, reducing costs, and processing time. To this end, we developed a strategy for synthesizing a feedstock suitable for 3D bioprinting of mechanically rigid and insoluble materials with embedded living bacteria. The processing route is based on a highly particle-filled alumina/chitosan nanocomposite gel which is reinforced by (a) electrostatic interactions with alginate and (b) covalent binding between the chitosan molecules with the mild gelation agent genipin. To analyze network formation and material properties, we characterized the rheological properties and printability of the feedstock gel. Stability measurements showed that the genipin-crosslinked chitosan/alginate/alumina gels did not dissolve in PBS, NaOH, or HCl after 60 days of incubation. Alginate-containing gels also showed less swelling in water than gels without alginate. Furthermore, E. coli bacteria were embedded in the nanocomposites and we analyzed the influence of the individual bioink components as well as of the printing process on bacterial viability. Here, the addition of alginate was necessary to maintain the effective viability of the embedded bacteria, while samples without alginate showed no bacterial viability. The experimental results demonstrate the potential of this approach for producing macroscopic bioactive materials with complex 3D geometries as a platform for novel applications in bioprocessing.
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Affiliation(s)
- Jessica Condi Mainardi
- Keramische Werkstoffe und Bauteile/Advanced Ceramics, Universität Bremen, Am Biologischen Garten 2, IW 3, Raum 2140, 28359 Bremen, Germany
| | - Kurosch Rezwan
- Keramische Werkstoffe und Bauteile/Advanced Ceramics, Universität Bremen, Am Biologischen Garten 2, IW 3, Raum 2140, 28359 Bremen, Germany
- MAPEX Center for Materials and Processes, University of Bremen, Am Fallturm 1, 28359 Bremen, Germany
| | - Michael Maas
- Keramische Werkstoffe und Bauteile/Advanced Ceramics, Universität Bremen, Am Biologischen Garten 2, IW 3, Raum 2140, 28359 Bremen, Germany
- MAPEX Center for Materials and Processes, University of Bremen, Am Fallturm 1, 28359 Bremen, Germany
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7
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Tavafoghi M, Darabi MA, Mahmoodi M, Tutar R, Xu C, Mirjafari A, Billi F, Swieszkowski W, Nasrollahi F, Ahadian S, Hosseini V, Khademhosseini A, Ashammakhi N. Multimaterial bioprinting and combination of processing techniques towards the fabrication of biomimetic tissues and organs. Biofabrication 2021; 13. [PMID: 34130266 DOI: 10.1088/1758-5090/ac0b9a] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2021] [Accepted: 06/15/2021] [Indexed: 12/11/2022]
Abstract
Tissue reconstruction requires the utilization of multiple biomaterials and cell types to replicate the delicate and complex structure of native tissues. Various three-dimensional (3D) bioprinting techniques have been developed to fabricate customized tissue structures; however, there are still significant challenges, such as vascularization, mechanical stability of printed constructs, and fabrication of gradient structures to be addressed for the creation of biomimetic and complex tissue constructs. One approach to address these challenges is to develop multimaterial 3D bioprinting techniques that can integrate various types of biomaterials and bioprinting capabilities towards the fabrication of more complex structures. Notable examples include multi-nozzle, coaxial, and microfluidics-assisted multimaterial 3D bioprinting techniques. More advanced multimaterial 3D printing techniques are emerging, and new areas in this niche technology are rapidly evolving. In this review, we briefly introduce the basics of individual 3D bioprinting techniques and then discuss the multimaterial 3D printing techniques that can be developed based on combination of these techniques for the engineering of complex and biomimetic tissue constructs. We also discuss the perspectives and future directions to develop state-of-the-art multimaterial 3D bioprinting techniques for engineering tissues and organs.
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Affiliation(s)
- Maryam Tavafoghi
- Center for Minimally Invasive Therapeutics (C-MIT), University of California, Los Angeles, CA, United States of America.,Department of Bioengineering, University of California, Los Angeles, CA, United States of America
| | - Mohammad Ali Darabi
- Center for Minimally Invasive Therapeutics (C-MIT), University of California, Los Angeles, CA, United States of America.,Department of Bioengineering, University of California, Los Angeles, CA, United States of America.,Department of Radiological Sciences, David Geffen School of Medicine, University of California, Los Angeles, CA, United States of America.,Terasaki Institute for Biomedical Innovation, Los Angeles, CA, United States of America
| | - Mahboobeh Mahmoodi
- Center for Minimally Invasive Therapeutics (C-MIT), University of California, Los Angeles, CA, United States of America.,Department of Bioengineering, University of California, Los Angeles, CA, United States of America.,Department of Biomedical Engineering, Yazd Branch, Islamic Azad University, Yazd, Iran
| | - Rumeysa Tutar
- Center for Minimally Invasive Therapeutics (C-MIT), University of California, Los Angeles, CA, United States of America.,Department of Bioengineering, University of California, Los Angeles, CA, United States of America.,Department of Chemistry, Faculty of Engineering, Istanbul University-Cerrahpasa Avcılar, Istanbul 34320, Turkey
| | - Chun Xu
- Center for Minimally Invasive Therapeutics (C-MIT), University of California, Los Angeles, CA, United States of America.,Department of Bioengineering, University of California, Los Angeles, CA, United States of America.,School of Dentistry, The University of Queensland, Brisbane, Australia
| | - Arshia Mirjafari
- Center for Minimally Invasive Therapeutics (C-MIT), University of California, Los Angeles, CA, United States of America.,Department of Bioengineering, University of California, Los Angeles, CA, United States of America
| | - Fabrizio Billi
- UCLA/OIC Department of Orthopaedic Surgery, David Geffen School of Medicine, UCLA, Los Angeles, CA, United States of America
| | - Wojciech Swieszkowski
- Biomaterials Group, Materials Design Division, Faculty of Materials Science and Engineering, Warsaw University of Technology, Warsaw, Poland
| | - Fatemeh Nasrollahi
- Center for Minimally Invasive Therapeutics (C-MIT), University of California, Los Angeles, CA, United States of America.,Department of Bioengineering, University of California, Los Angeles, CA, United States of America.,Terasaki Institute for Biomedical Innovation, Los Angeles, CA, United States of America
| | - Samad Ahadian
- Center for Minimally Invasive Therapeutics (C-MIT), University of California, Los Angeles, CA, United States of America.,Department of Bioengineering, University of California, Los Angeles, CA, United States of America.,Terasaki Institute for Biomedical Innovation, Los Angeles, CA, United States of America
| | - Vahid Hosseini
- Center for Minimally Invasive Therapeutics (C-MIT), University of California, Los Angeles, CA, United States of America.,Department of Bioengineering, University of California, Los Angeles, CA, United States of America.,Terasaki Institute for Biomedical Innovation, Los Angeles, CA, United States of America
| | - Ali Khademhosseini
- Center for Minimally Invasive Therapeutics (C-MIT), University of California, Los Angeles, CA, United States of America.,Department of Bioengineering, University of California, Los Angeles, CA, United States of America.,Department of Radiological Sciences, David Geffen School of Medicine, University of California, Los Angeles, CA, United States of America.,Terasaki Institute for Biomedical Innovation, Los Angeles, CA, United States of America.,Department of Chemical Engineering, University of California, Los Angeles, CA, United States of America
| | - Nureddin Ashammakhi
- Center for Minimally Invasive Therapeutics (C-MIT), University of California, Los Angeles, CA, United States of America.,Department of Radiological Sciences, David Geffen School of Medicine, University of California, Los Angeles, CA, United States of America.,Department of Biomedical Engineering, College of Engineering, Michigan State University, MI, United States of America
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8
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Costantini M, Testa S, Fornetti E, Fuoco C, Sanchez Riera C, Nie M, Bernardini S, Rainer A, Baldi J, Zoccali C, Biagini R, Castagnoli L, Vitiello L, Blaauw B, Seliktar D, Święszkowski W, Garstecki P, Takeuchi S, Cesareni G, Cannata S, Gargioli C. Biofabricating murine and human myo-substitutes for rapid volumetric muscle loss restoration. EMBO Mol Med 2021; 13:e12778. [PMID: 33587336 PMCID: PMC7933978 DOI: 10.15252/emmm.202012778] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2020] [Revised: 01/05/2021] [Accepted: 01/12/2021] [Indexed: 12/31/2022] Open
Abstract
The importance of skeletal muscle tissue is undoubted being the controller of several vital functions including respiration and all voluntary locomotion activities. However, its regenerative capability is limited and significant tissue loss often leads to a chronic pathologic condition known as volumetric muscle loss. Here, we propose a biofabrication approach to rapidly restore skeletal muscle mass, 3D histoarchitecture, and functionality. By recapitulating muscle anisotropic organization at the microscale level, we demonstrate to efficiently guide cell differentiation and myobundle formation both in vitro and in vivo. Of note, upon implantation, the biofabricated myo-substitutes support the formation of new blood vessels and neuromuscular junctions-pivotal aspects for cell survival and muscle contractile functionalities-together with an advanced muscle mass and force recovery. Altogether, these data represent a solid base for further testing the myo-substitutes in large animal size and a promising platform to be eventually translated into clinical scenarios.
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Affiliation(s)
- Marco Costantini
- Institute of Physical ChemistryPolish Academy of SciencesWarsawPoland
| | - Stefano Testa
- Department of BiologyRome University Tor VergataRomeItaly
| | | | - Claudia Fuoco
- Department of BiologyRome University Tor VergataRomeItaly
| | | | - Minghao Nie
- Department of Mechano‐InformaticsGraduate School of Information Science and TechnologyThe University of TokyoTokyoJapan
| | | | - Alberto Rainer
- Department of EngineeringUniversità Campus Bio‐Medico di RomaRomeItaly
- Institute of Nanotechnology (NANOTEC)National Research CouncilLecceItaly
| | - Jacopo Baldi
- IRCCS Regina Elena National Cancer InstituteRomeItaly
| | | | | | | | | | - Bert Blaauw
- Department of Biomedical Science and Venetian Institute of Molecular MedicineUniversity of PadovaPadovaItaly
| | - Dror Seliktar
- Department of Biomedical EngineeringTechion InstituteHaifaIsrael
| | - Wojciech Święszkowski
- Faculty of Materials Science and EngineeringWarsaw University of TechnologyWarsawPoland
| | - Piotr Garstecki
- Institute of Physical ChemistryPolish Academy of SciencesWarsawPoland
| | - Shoji Takeuchi
- Department of Mechano‐InformaticsGraduate School of Information Science and TechnologyThe University of TokyoTokyoJapan
- Institute of Industrial ScienceThe University of TokyoTokyoJapan
| | - Gianni Cesareni
- Department of BiologyRome University Tor VergataRomeItaly
- IRCCS Fondazione Santa LuciaRomeItaly
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9
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Fu Z, Naghieh S, Xu C, Wang C, Sun W, Chen DX. Printability in extrusion bioprinting. Biofabrication 2021; 13. [PMID: 33601340 DOI: 10.1088/1758-5090/abe7ab] [Citation(s) in RCA: 50] [Impact Index Per Article: 16.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2020] [Accepted: 02/18/2021] [Indexed: 12/12/2022]
Abstract
Extrusion bioprinting has been widely used to extrude continuous filaments of bioink (or the mixture of biomaterial and living cells), layer-by-layer, to build three-dimensional (3D) constructs for biomedical applications. In extrusion bioprinting, printability is an important parameter used to measure the difference between the designed construct and the one actually printed. This difference could be caused by the extrudability of printed bioink and/or the structural formability and stability of printed constructs. Although studies have reported in characterizing printability based on the bioink properties and printing process, the concept of printability is often confusingly and, sometimes, conflictingly used in the literature. The objective of this perspective is to define the printability for extrusion bioprinting in terms of extrudability, filament fidelity, and structural integrity, as well as to review the effect of bioink properties, bioprinting process, and construct design on the printability. Challenges related to the printability of extrusion bioprinting are also discussed, along with recommendations for improvements.
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Affiliation(s)
- Zhouquan Fu
- Mechanical Engineering and Mechanics, Drexel University, 3141 chestnut street, Philadelphia, Philadelphia, Pennsylvania, 19104-2816, UNITED STATES
| | - Saman Naghieh
- Division of Biomedical Engineering, University of Saskatchewan, Saskatoon, SK, S7N 5A9, Canada, Saskatoon, Saskatchewan, S7N 5A9, CANADA
| | - Cancan Xu
- SunP Biotech LLC, 5 Allison Dr, Cherry Hill, New Jersey, 08003, UNITED STATES
| | - Chengjin Wang
- Tsinghua University, 30 Shuangqing Rd, Haidian District, Beijing, 100084, CHINA
| | - Wei Sun
- Mech Engineering, Drexel University, 3141 chestnut street, Philadelphia, Pennsylvania, 19104, UNITED STATES
| | - Daniel Xiongbiao Chen
- Department of Mechanical Engineering, University of Saskatchewan, Saskatoon, SK, Saskatoon, Saskatchewan, S7N 5A9, CANADA
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10
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Rajabi M, McConnell M, Cabral J, Ali MA. Chitosan hydrogels in 3D printing for biomedical applications. Carbohydr Polym 2021; 260:117768. [PMID: 33712126 DOI: 10.1016/j.carbpol.2021.117768] [Citation(s) in RCA: 117] [Impact Index Per Article: 39.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2020] [Revised: 01/02/2021] [Accepted: 02/02/2021] [Indexed: 12/26/2022]
Abstract
Tissue engineering and regenerative medicine have entered a new stage of development by the recent progress in biology, material sciences, and particularly an emerging additive manufacturing technique, three-dimensional (3D) printing. 3D printing is an advanced biofabrication technique which can generate patient-specific scaffolds with highly complex geometries while hosting cells and bioactive agents to accelerate tissue regeneration. Chitosan hydrogels themselves have been widely used for various biomedical applications due to its abundant availability, structural features and favorable biological properties; however, the 3D printing of chitosan-based hydrogels is still under early exploration. Therefore, 3D printing technologies represent a new avenue to explore the potential application of chitosan as an ink for 3D printing, or as a coating on other 3D printed scaffolds. The combination of chitosan-based hydrogels and 3D printing holds much promise in the development of next generation biomedical implants.
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Affiliation(s)
- Mina Rajabi
- Center for Bioengineering and Nanomedicine, Department of Food Science, University of Otago, Dunedin, New Zealand
| | - Michelle McConnell
- Department of Microbiology and Immunology, University of Otago, Dunedin, New Zealand
| | - Jaydee Cabral
- Center for Bioengineering and Nanomedicine, Department of Food Science, University of Otago, Dunedin, New Zealand; Department of Chemistry, University of Otago, Dunedin, New Zealand
| | - M Azam Ali
- Center for Bioengineering and Nanomedicine, Department of Food Science, University of Otago, Dunedin, New Zealand.
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11
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Weißpflog J, Vehlow D, Müller M, Kohn B, Scheler U, Boye S, Schwarz S. Characterization of chitosan with different degree of deacetylation and equal viscosity in dissolved and solid state - Insights by various complimentary methods. Int J Biol Macromol 2021; 171:242-261. [PMID: 33418043 DOI: 10.1016/j.ijbiomac.2021.01.010] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2020] [Revised: 12/22/2020] [Accepted: 01/03/2021] [Indexed: 11/17/2022]
Abstract
In recent years, chitosan has attracted considerable interest in many fields due to its sufficient charge density under biological, non-hazardous conditions. Since chitosan originates from natural resources and has two different monomer units, its characterization must be carried out in a goal-oriented and precise manner. This work focuses on the characterization of chitosans most important parameters - solubility, crystallinity, degree of deacetylation (DD) and molecular weight - in a simple and convenient way. The DD was determined using Nuclear Magnetic Resonance spectroscopy (NMR), Particle Charge Detection (PCD), Fourier Transform Infrared spectroscopy (FTIR), CHN elemental analysis (CHN-EA) and conductometric/potentiometric titration with special attention to its physical state as solid or liquid. Investigation of DD by FTIR was successfully determined by calculating peak heights, peak areas and peak deconvolution from a linear combination of Gaussian and Lorentzian functions. Asymmetrical flow field flow fractionation with light scattering detection (AF4-LS) was applied in order to calculate molar masses and radii. In addition, pH-potentiometric titrations demonstrated a reproducible displacement of the point of zero charge (PZC) in form of a hysteresis depending on the titration direction. The DD affects the crystallinity, which was determined by deconvolution of the crystalline and amorphous domains.
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Affiliation(s)
- Janek Weißpflog
- Leibniz-Institut für Polymerforschung Dresden, Physikalische Chemie und Physik der Polymere, Hohe Straße 6, D-01069 Dresden, Germany.
| | - David Vehlow
- Leibniz-Institut für Polymerforschung Dresden, Physikalische Chemie und Physik der Polymere, Hohe Straße 6, D-01069 Dresden, Germany.
| | - Martin Müller
- Leibniz-Institut für Polymerforschung Dresden, Physikalische Chemie und Physik der Polymere, Hohe Straße 6, D-01069 Dresden, Germany.
| | - Benjamin Kohn
- Leibniz-Institut für Polymerforschung Dresden, Physikalische Chemie und Physik der Polymere, Hohe Straße 6, D-01069 Dresden, Germany.
| | - Ulrich Scheler
- Leibniz-Institut für Polymerforschung Dresden, Physikalische Chemie und Physik der Polymere, Hohe Straße 6, D-01069 Dresden, Germany.
| | - Susanne Boye
- Leibniz-Institut für Polymerforschung Dresden, Physikalische Chemie und Physik der Polymere, Hohe Straße 6, D-01069 Dresden, Germany.
| | - Simona Schwarz
- Leibniz-Institut für Polymerforschung Dresden, Physikalische Chemie und Physik der Polymere, Hohe Straße 6, D-01069 Dresden, Germany.
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12
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Gori M, Giannitelli SM, Torre M, Mozetic P, Abbruzzese F, Trombetta M, Traversa E, Moroni L, Rainer A. Biofabrication of Hepatic Constructs by 3D Bioprinting of a Cell-Laden Thermogel: An Effective Tool to Assess Drug-Induced Hepatotoxic Response. Adv Healthc Mater 2020; 9:e2001163. [PMID: 32940019 DOI: 10.1002/adhm.202001163] [Citation(s) in RCA: 35] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2020] [Revised: 08/23/2020] [Indexed: 12/12/2022]
Abstract
A thermoresponsive Pluronic/alginate semisynthetic hydrogel is used to bioprint 3D hepatic constructs, with the aim to investigate liver-specific metabolic activity of the 3D constructs compared to traditional 2D adherent cultures. The bioprinting method relies on a bioinert hydrogel and is characterized by high-shape fidelity, mild depositing conditions and easily controllable gelation mechanism. Furthermore, the dissolution of the sacrificial Pluronic templating agent significantly ameliorates the diffusive properties of the printed hydrogel. The present findings demonstrate high viability and liver-specific metabolic activity, as assessed by synthesis of urea, albumin, and expression levels of the detoxifying CYP1A2 enzyme of cells embedded in the 3D hydrogel system. A markedly increased sensitivity to a well-known hepatotoxic drug (acetaminophen) is observed for cells in 3D constructs compared to 2D cultures. Therefore, the 3D model developed herein may represent an in vitro alternative to animal models for investigating drug-induced hepatotoxicity.
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Affiliation(s)
- Manuele Gori
- Department of Engineering Università Campus Bio‐Medico di Roma via Álvaro del Portillo 21 Rome 00128 Italy
| | - Sara M. Giannitelli
- Department of Engineering Università Campus Bio‐Medico di Roma via Álvaro del Portillo 21 Rome 00128 Italy
| | - Miranda Torre
- Department of Engineering Università Campus Bio‐Medico di Roma via Álvaro del Portillo 21 Rome 00128 Italy
| | - Pamela Mozetic
- Center for Translational Medicine (CTM) International Clinical Research Center (ICRC) St. Anne's University Hospital Studentská 812/6 Brno 62500 Czechia
- Institute of Nanotechnology (NANOTEC) National Research Council via Monteroni Lecce 73100 Italy
| | - Franca Abbruzzese
- Department of Engineering Università Campus Bio‐Medico di Roma via Álvaro del Portillo 21 Rome 00128 Italy
| | - Marcella Trombetta
- Department of Engineering Università Campus Bio‐Medico di Roma via Álvaro del Portillo 21 Rome 00128 Italy
| | - Enrico Traversa
- School of Energy Science and Engineering University of Electronic Science and Technology of China 2006 Xiyuan Road Chengdu Sichuan 611731 China
| | - Lorenzo Moroni
- Institute of Nanotechnology (NANOTEC) National Research Council via Monteroni Lecce 73100 Italy
- MERLN Institute for Technology Inspired Regenerative Medicine Department of Complex Tissue Regeneration Maastricht University Universiteitssingel 40 Maastricht 6229 ER the Netherlands
| | - Alberto Rainer
- Department of Engineering Università Campus Bio‐Medico di Roma via Álvaro del Portillo 21 Rome 00128 Italy
- Institute of Nanotechnology (NANOTEC) National Research Council via Monteroni Lecce 73100 Italy
- MERLN Institute for Technology Inspired Regenerative Medicine Department of Complex Tissue Regeneration Maastricht University Universiteitssingel 40 Maastricht 6229 ER the Netherlands
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13
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Photocurable Biopolymers for Coaxial Bioprinting. Methods Mol Biol 2020; 2147:45-54. [PMID: 32840809 DOI: 10.1007/978-1-0716-0611-7_4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/10/2023]
Abstract
Thanks to their unique advantages, additive manufacturing technologies are revolutionizing almost all sectors of the industrial and academic worlds, including tissue engineering and regenerative medicine. In particular, 3D bioprinting is rapidly emerging as a first-choice approach for the fabrication-in one step-of advanced cell-laden hydrogel constructs to be used for in vitro and in vivo studies. This technique consists in the precise deposition layer-by-layer of sub-millimetric hydrogel strands in which living cells are embedded. A key factor of this process consists in the proper formulation of the hydrogel precursor solution, the so-called bioink. Ideal bioinks should be able, on the one side, to support cell growth and differentiation and, on the other, to allow the high-resolution deposition of cell-laden hydrogel strands. The latter feature requires the extruded solution to instantaneously undergo a sol-gel transition to avoid its collapse after deposition.To address this challenge, researchers are recently focusing their attention on the synthesis of several derivatives of natural biopolymers to enhance their printability. Here, we present an approach for the synthesis of photocurable derivatives of natural biopolymers-namely, gelatin methacrylate, hyaluronic acid methacrylate, chondroitin sulfate methacrylate, and PEGylated fibrinogen-that can be used to formulate tailored innovative bioinks for coaxial-based 3D bioprinting applications.
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Shao L, Gao Q, Xie C, Fu J, Xiang M, He Y. Synchronous 3D Bioprinting of Large-Scale Cell-Laden Constructs with Nutrient Networks. Adv Healthc Mater 2020; 9:e1901142. [PMID: 31846229 DOI: 10.1002/adhm.201901142] [Citation(s) in RCA: 34] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2019] [Revised: 11/26/2019] [Indexed: 12/19/2022]
Abstract
Maintaining an adequate supply of nutrients/oxygen is a major challenge in the biofabrication of large tissue constructs. However, building preformed nutrient networks may be an effective strategy for engineering thick tissues. Here, a novel way for bioprinting large-scale tissue constructs with intentional nutrient networks is presented. A special nozzle is developed which can print bioink and sacrificial ink half and half synchronously in a single filament. Nutrient networks of these bioprinted constructs are formed by subsequently dissolving away gelatin, which allows for effective oxygen, nutrient, and waste diffusion, facilitating the cell activity and the generation of functional tissues. Due to the cell-laden bioink and sacrificial ink working together and promoting each other's printability to support themselves, complex soft cell-laden constructs with nutrient networks can easily be printed. Furthermore, two different cell types (osteoblast, human umbilical vein endothelial cells) encapsulated in the bioprinted large-scale constructs (≥1 cm) with nutrient networks show enhanced cell viability and spreading within a period of culture. It is envisioned that the advanced bioprinting technology may have significant potentials in facilitating the engineering of complex structures for tissue-specific needs, and bioprinting large-scale tissue constructs with nutrient networks toward applications in organ transplantation and repair.
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Affiliation(s)
- Lei Shao
- State Key Laboratory of Fluid Power and Mechatronic Systems and Key Laboratory of 3D Printing Process and Equipment of Zhejiang ProvinceCollege of Mechanical EngineeringZhejiang University Hangzhou 310027 China
| | - Qing Gao
- State Key Laboratory of Fluid Power and Mechatronic Systems and Key Laboratory of 3D Printing Process and Equipment of Zhejiang ProvinceCollege of Mechanical EngineeringZhejiang University Hangzhou 310027 China
| | - Chaoqi Xie
- State Key Laboratory of Fluid Power and Mechatronic Systems and Key Laboratory of 3D Printing Process and Equipment of Zhejiang ProvinceCollege of Mechanical EngineeringZhejiang University Hangzhou 310027 China
| | - Jianzhong Fu
- State Key Laboratory of Fluid Power and Mechatronic Systems and Key Laboratory of 3D Printing Process and Equipment of Zhejiang ProvinceCollege of Mechanical EngineeringZhejiang University Hangzhou 310027 China
| | - Meixiang Xiang
- Department of CardiologySecond Affiliated Hospital of Zhejiang University School of Medicine Hangzhou 310009 China
| | - Yong He
- State Key Laboratory of Fluid Power and Mechatronic Systems and Key Laboratory of 3D Printing Process and Equipment of Zhejiang ProvinceCollege of Mechanical EngineeringZhejiang University Hangzhou 310027 China
- Key Laboratory of Materials Processing and MoldZhengzhou University Zhengzhou 450002 China
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15
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Zhang Y. Three-dimensional-printing for microfluidics or the other way around? Int J Bioprint 2019; 5:192. [PMID: 32596534 PMCID: PMC7294695 DOI: 10.18063/ijb.v5i2.192] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2019] [Accepted: 05/30/2019] [Indexed: 12/29/2022] Open
Abstract
As microfluidic devices are designed to tackle more intricate tasks, the architecture of microfluidic devices becomes more complex, and more sophisticated fabrication techniques are in demand. Therefore, it is sensible to fabricate microfluidic devices by three-dimensional (3D)-printing, which is well-recognized for its unique ability to monolithically fabricate complex structures using a near-net-shape additive manufacturing process. Many 3D-printed microfluidic platforms have been demonstrated but can 3D-printed microfluidics meet the demanding requirements in today's context, and has microfluidics truly benefited from 3D-printing? In contrast to 3D-printed microfluidics, some go the other way around and exploit microfluidics for 3D-printing. Many innovative printing strategies have been made possible with microfluidics-enabled 3D-printing, although the limitations are also largely evident. In this perspective article, we take a look at the current development in 3D-printed microfluidics and microfluidics-enabled 3D printing with a strong focus on the limitations of the two technologies. More importantly, we attempt to identify the innovations required to overcome these limitations and to develop new high-value applications that would make a scientific and social impact in the future.
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Affiliation(s)
- Yi Zhang
- Singapore 3D-Printing Center, HP-NTU Digital Manufacturing Corporate Lab, School of Mechanical and Aerospace Engineering, Nanyang Technological University, Singapore
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16
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Idaszek J, Costantini M, Karlsen TA, Jaroszewicz J, Colosi C, Testa S, Fornetti E, Bernardini S, Seta M, Kasarełło K, Wrzesień R, Cannata S, Barbetta A, Gargioli C, Brinchman JE, Święszkowski W. 3D bioprinting of hydrogel constructs with cell and material gradients for the regeneration of full-thickness chondral defect using a microfluidic printing head. Biofabrication 2019; 11:044101. [DOI: 10.1088/1758-5090/ab2622] [Citation(s) in RCA: 84] [Impact Index Per Article: 16.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
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17
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Kosik-Kozioł A, Costantini M, Mróz A, Idaszek J, Heljak M, Jaroszewicz J, Kijeńska E, Szöke K, Frerker N, Barbetta A, Brinchmann JE, Święszkowski W. 3D bioprinted hydrogel model incorporating β-tricalcium phosphate for calcified cartilage tissue engineering. Biofabrication 2019; 11:035016. [PMID: 30943457 DOI: 10.1088/1758-5090/ab15cb] [Citation(s) in RCA: 63] [Impact Index Per Article: 12.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
One promising strategy to reconstruct osteochondral defects relies on 3D bioprinted three-zonal structures comprised of hyaline cartilage, calcified cartilage, and subchondral bone. So far, several studies have pursued the regeneration of either hyaline cartilage or bone in vitro while-despite its key role in the osteochondral region-only few of them have targeted the calcified layer. In this work, we present a 3D biomimetic hydrogel scaffold containing β-tricalcium phosphate (TCP) for engineering calcified cartilage through a co-axial needle system implemented in extrusion-based bioprinting process. After a thorough bioink optimization, we showed that 0.5% w/v TCP is the optimal concentration forming stable scaffolds with high shape fidelity and endowed with biological properties relevant for the development of calcified cartilage. In particular, we investigate the effect induced by ceramic nano-particles over the differentiation capacity of bioprinted bone marrow-derived human mesenchymal stem cells in hydrogel scaffolds cultured up to 21 d in chondrogenic media. To confirm the potential of the presented approach to generate a functional in vitro model of calcified cartilage tissue, we evaluated quantitatively gene expression of relevant chondrogenic (COL1, COL2, COL10A1, ACAN) and osteogenic (ALPL, BGLAP) gene markers by means of RT-qPCR and qualitatively by means of fluorescence immunocytochemistry.
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Affiliation(s)
- Alicja Kosik-Kozioł
- Warsaw University of Technology, Faculty of Materials Science and Engineering, 02-507 Warsaw, Poland
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18
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Ashammakhi N, Hasan A, Kaarela O, Byambaa B, Sheikhi A, Gaharwar AK, Khademhosseini A. Advancing Frontiers in Bone Bioprinting. Adv Healthc Mater 2019; 8:e1801048. [PMID: 30734530 DOI: 10.1002/adhm.201801048] [Citation(s) in RCA: 98] [Impact Index Per Article: 19.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2018] [Revised: 11/26/2018] [Indexed: 12/20/2022]
Abstract
Three-dimensional (3D) bioprinting of cell-laden biomaterials is used to fabricate constructs that can mimic the structure of native tissues. The main techniques used for 3D bioprinting include microextrusion, inkjet, and laser-assisted bioprinting. Bioinks used for bone bioprinting include hydrogels loaded with bioactive ceramics, cells, and growth factors. In this review, a critical overview of the recent literature on various types of bioinks used for bone bioprinting is presented. Major challenges, such as the vascularity, clinically relevant size, and mechanical properties of 3D printed structures, that need to be addressed to successfully use the technology in clinical settings, are discussed. Emerging approaches to solve these problems are reviewed, and future strategies to design customized 3D printed structures are proposed.
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Affiliation(s)
- Nureddin Ashammakhi
- Center for Minimally Invasive Therapeutics (C‐MIT)University of California – Los Angeles Los Angeles CA 90095 USA
- California NanoSystems Institute (CNSI)University of California – Los Angeles Los Angeles CA 90095 USA
- Department of BioengineeringUniversity of California – Los Angeles Los Angeles CA 90095 USA
- Division of Plastic SurgeryDepartment of SurgeryOulu Univesity Hospital Oulu FI‐90014 Finland
| | - Anwarul Hasan
- Department of Mechanical and Industrial EngineeringCollege of EngineeringQatar University Doha 2713 Qatar
- Biomedical Research CenterQatar University Doha 2713 Qatar
| | - Outi Kaarela
- Division of Plastic SurgeryDepartment of SurgeryOulu Univesity Hospital Oulu FI‐90014 Finland
| | - Batzaya Byambaa
- Center for Biomedical EngineeringDepartment of MedicineBrigham and Women's HospitalHarvard Medical School Cambridge MA 02115 USA
- Harvard‐MIT Division of Health Sciences and TechnologyMassachusetts Institute of Technology Cambridge MA 02139 USA
| | - Amir Sheikhi
- Center for Minimally Invasive Therapeutics (C‐MIT)University of California – Los Angeles Los Angeles CA 90095 USA
| | - Akhilesh K. Gaharwar
- Department of Biomedical EngineeringDepartment of Materials Science and Engineeringand Center for Remote Health and TechnologiesTexas A&M University College Station TX 77841 USA
| | - Ali Khademhosseini
- Center for Minimally Invasive Therapeutics (C‐MIT)University of California – Los Angeles Los Angeles CA 90095 USA
- California NanoSystems Institute (CNSI)University of California – Los Angeles Los Angeles CA 90095 USA
- Department of BioengineeringUniversity of California – Los Angeles Los Angeles CA 90095 USA
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19
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Gong CP, Luo Y, Pan YY. Novel synthesized zinc oxide nanoparticles loaded alginate-chitosan biofilm to enhanced wound site activity and anti-septic abilities for the management of complicated abdominal wound dehiscence. JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY B-BIOLOGY 2019; 192:124-130. [DOI: 10.1016/j.jphotobiol.2019.01.019] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/13/2018] [Revised: 01/15/2019] [Accepted: 01/29/2019] [Indexed: 02/08/2023]
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20
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Costantini M, Colosi C, Święszkowski W, Barbetta A. Co-axial wet-spinning in 3D bioprinting: state of the art and future perspective of microfluidic integration. Biofabrication 2018; 11:012001. [DOI: 10.1088/1758-5090/aae605] [Citation(s) in RCA: 53] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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21
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22
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Lewis PL, Green RM, Shah RN. 3D-printed gelatin scaffolds of differing pore geometry modulate hepatocyte function and gene expression. Acta Biomater 2018; 69:63-70. [PMID: 29317370 PMCID: PMC5831494 DOI: 10.1016/j.actbio.2017.12.042] [Citation(s) in RCA: 100] [Impact Index Per Article: 16.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2017] [Revised: 12/23/2017] [Accepted: 12/29/2017] [Indexed: 01/12/2023]
Abstract
Three dimensional (3D) printing is highly amenable to the fabrication of tissue-engineered organs of a repetitive microstructure such as the liver. The creation of uniform and geometrically repetitive tissue scaffolds can also allow for the control over cellular aggregation and nutrient diffusion. However, the effect of differing geometries, while controlling for pore size, has yet to be investigated in the context of hepatocyte function. In this study, we show the ability to precisely control pore geometry of 3D-printed gelatin scaffolds. An undifferentiated hepatocyte cell line (HUH7) demonstrated high viability and proliferation when seeded on 3D-printed scaffolds of two different geometries. However, hepatocyte specific functions (albumin secretion, CYP activity, and bile transport) increases in more interconnected 3D-printed gelatin cultures compared to a less interconnected geometry and to 2D controls. Additionally, we also illustrate the disparity between gene expression and protein function in simple 2D culture modes, and that recreation of a physiologically mimetic 3D environment is necessary to induce both expression and function of cultured hepatocytes. STATEMENT OF SIGNIFICANCE Three dimensional (3D) printing provides tissue engineers the ability spatially pattern cells and materials in precise geometries, however the biological effects of scaffold geometry on soft tissues such as the liver have not been rigorously investigated. In this manuscript, we describe a method to 3D print gelatin into well-defined repetitive geometries that show clear differences in biological effects on seeded hepatocytes. We show that a relatively simple and widely used biomaterial, such as gelatin, can significantly modulate biological processes when fabricated into specific 3D geometries. Furthermore, this study expands upon past research into hepatocyte aggregation by demonstrating how it can be manipulated to enhance protein function, and how function and expression may not precisely correlate in 2D models.
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Affiliation(s)
- Phillip L Lewis
- Department of Biomedical Engineering, Northwestern University, Evanston, IL, United States; Simpson Querrey Institute for Bionanotechnology, Northwestern University, Chicago, IL, United States.
| | - Richard M Green
- Division of Gastroenterology and Hepatology, Feinberg School of Medicine, Northwestern University, Chicago, IL, United States.
| | - Ramille N Shah
- Department of Biomedical Engineering, Northwestern University, Evanston, IL, United States; Simpson Querrey Institute for Bionanotechnology, Northwestern University, Chicago, IL, United States; Department of Materials Science and Engineering, Northwestern University, Evanston, IL, United States; Department of Surgery - Organ Transplantation, Feinberg School of Medicine, Northwestern University, Chicago, IL, United States.
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23
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Wilson SA, Cross LM, Peak CW, Gaharwar AK. Shear-Thinning and Thermo-Reversible Nanoengineered Inks for 3D Bioprinting. ACS APPLIED MATERIALS & INTERFACES 2017; 9:43449-43458. [PMID: 29214803 DOI: 10.1021/acsami.7b13602] [Citation(s) in RCA: 196] [Impact Index Per Article: 28.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
Three-dimensional (3D) printing is an emerging approach for rapid fabrication of complex tissue structures using cell-loaded bioinks. However, 3D bioprinting has hit a bottleneck in progress because of the lack of suitable bioinks that are printable, have high shape fidelity, and are mechanically resilient. In this study, we introduce a new family of nanoengineered bioinks consisting of kappa-carrageenan (κCA) and two-dimensional (2D) nanosilicates (nSi). κCA is a biocompatible, linear, sulfated polysaccharide derived from red algae and can undergo thermo-reversible and ionic gelation. The shear-thinning characteristics of κCA were tailored by nanosilicates to develop a printable bioink. By tuning κCA-nanosilicate ratios, the thermo-reversible gelation of the bioink can be controlled to obtain high printability and shape retention characteristics. The unique aspect of the nanoengineered κCA-nSi bioink is its ability to print physiologically-relevant-scale tissue constructs without requiring secondary supports. We envision that nanoengineered κCA-nanosilicate bioinks can be used to 3D print complex, large-scale, cell-laden tissue constructs with high structural fidelity and tunable mechanical stiffness for regenerative medicine.
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Affiliation(s)
- Scott A Wilson
- Department of Biomedical Engineering, ‡Department of Material Sciences, and §Center for Remote Health Technologies and Systems, Texas A&M University , College Station, Texas 77843, United States
| | - Lauren M Cross
- Department of Biomedical Engineering, ‡Department of Material Sciences, and §Center for Remote Health Technologies and Systems, Texas A&M University , College Station, Texas 77843, United States
| | - Charles W Peak
- Department of Biomedical Engineering, ‡Department of Material Sciences, and §Center for Remote Health Technologies and Systems, Texas A&M University , College Station, Texas 77843, United States
| | - Akhilesh K Gaharwar
- Department of Biomedical Engineering, ‡Department of Material Sciences, and §Center for Remote Health Technologies and Systems, Texas A&M University , College Station, Texas 77843, United States
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24
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Chen W, Zhu B, Ma L, Hua X. Shape-controlled fabrication of cell-laden calcium alginate-PLL hydrogel microcapsules by electrodeposition on microelectrode. J Biomater Appl 2017; 32:504-510. [DOI: 10.1177/0885328217726439] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Affiliation(s)
- Weinan Chen
- School of Mechatronic Engineering and Automation, Shanghai University, Shanghai, China
| | - Bowen Zhu
- School of Mechatronic Engineering and Automation, Shanghai University, Shanghai, China
| | - Li Ma
- School of Mechatronic Engineering and Automation, Shanghai University, Shanghai, China
| | - Xiaoqing Hua
- School of Mechatronic Engineering and Automation, Shanghai University, Shanghai, China
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25
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Costantini M, Testa S, Mozetic P, Barbetta A, Fuoco C, Fornetti E, Tamiro F, Bernardini S, Jaroszewicz J, Święszkowski W, Trombetta M, Castagnoli L, Seliktar D, Garstecki P, Cesareni G, Cannata S, Rainer A, Gargioli C. Microfluidic-enhanced 3D bioprinting of aligned myoblast-laden hydrogels leads to functionally organized myofibers in vitro and in vivo. Biomaterials 2017; 131:98-110. [DOI: 10.1016/j.biomaterials.2017.03.026] [Citation(s) in RCA: 155] [Impact Index Per Article: 22.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2016] [Revised: 03/13/2017] [Accepted: 03/20/2017] [Indexed: 12/13/2022]
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26
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Brünler R, Aibibu D, Wöltje M, Anthofer AM, Cherif C. In silico modeling of structural and porosity properties of additive manufactured implants for regenerative medicine. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2017; 76:810-817. [PMID: 28482595 DOI: 10.1016/j.msec.2017.03.105] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/02/2016] [Accepted: 03/12/2017] [Indexed: 12/25/2022]
Abstract
Additive manufacturing technologies are a promising technology towards patient-specific implants for applications in regenerative medicine. The Net-Shape-Nonwoven technology is used to manufacture structures from short fibers with interconnected pores and large functional surfaces that are predestined for cell adhesion and growth. The present study reports on a modeling approach with a particular focus on the specific structural properties. The overall porosities and mean pore-sizes of the digital models are simulated according to liquid-displacement porosity in a tool implemented in the modeling software. This allows adjusting the process parameters fiber length and fiber diameter to generate biomimetic structures with pore-sizes adapted to the requirements of the tissue that is to be replaced. Modeling the structural and porosity properties of scaffolds and implants leads to an efficient use of the processed biomaterials as the trial-and-error method is avoided.
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Affiliation(s)
- Ronny Brünler
- Institute of Textile Machinery and High Performance Material Technology (ITM), Technische Universität Dresden, Hohe Str. 6, 01069 Dresden, Germany.
| | - Dilbar Aibibu
- Institute of Textile Machinery and High Performance Material Technology (ITM), Technische Universität Dresden, Hohe Str. 6, 01069 Dresden, Germany
| | - Michael Wöltje
- Institute of Textile Machinery and High Performance Material Technology (ITM), Technische Universität Dresden, Hohe Str. 6, 01069 Dresden, Germany
| | - Anna-Maria Anthofer
- Institute of Textile Machinery and High Performance Material Technology (ITM), Technische Universität Dresden, Hohe Str. 6, 01069 Dresden, Germany
| | - Chokri Cherif
- Institute of Textile Machinery and High Performance Material Technology (ITM), Technische Universität Dresden, Hohe Str. 6, 01069 Dresden, Germany
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Mistry P, Aied A, Alexander M, Shakesheff K, Bennett A, Yang J. Bioprinting Using Mechanically Robust Core-Shell Cell-Laden Hydrogel Strands. Macromol Biosci 2017; 17. [PMID: 28160431 DOI: 10.1002/mabi.201600472] [Citation(s) in RCA: 42] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2016] [Revised: 12/23/2016] [Indexed: 11/06/2022]
Abstract
The strand material in extrusion-based bioprinting determines the microenvironments of the embedded cells and the initial mechanical properties of the constructs. One unmet challenge is the combination of optimal biological and mechanical properties in bioprinted constructs. Here, a novel bioprinting method that utilizes core-shell cell-laden strands with a mechanically robust shell and an extracellular matrix-like core has been developed. Cells encapsulated in the strands demonstrate high cell viability and tissue-like functions during cultivation. This process of bioprinting using core-shell strands with optimal biochemical and biomechanical properties represents a new strategy for fabricating functional human tissues and organs.
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Affiliation(s)
- Pritesh Mistry
- Division of Drug Delivery and Tissue Engineering, School of Pharmacy, University of Nottingham, Nottingham, NG7 2RD, UK
| | - Ahmed Aied
- Division of Drug Delivery and Tissue Engineering, School of Pharmacy, University of Nottingham, Nottingham, NG7 2RD, UK
| | - Morgan Alexander
- Division of Surface Analysis and Biophysics, School of Pharmacy, University of Nottingham, Nottingham, NG7 2RD, UK
| | - Kevin Shakesheff
- Division of Drug Delivery and Tissue Engineering, School of Pharmacy, University of Nottingham, Nottingham, NG7 2RD, UK
| | - Andrew Bennett
- FRAME Laboratory, School of Life Sciences, University of Nottingham, Nottingham, NG7 2RD, UK
| | - Jing Yang
- Division of Drug Delivery and Tissue Engineering, School of Pharmacy, University of Nottingham, Nottingham, NG7 2RD, UK
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Abstract
3D bioprinting is an emerging field that can be described as a robotic additive biofabrication technology that has the potential to build tissues or organs. In general, bioprinting uses a computer-controlled printing device to accurately deposit cells and biomaterials into precise architectures with the goal of creating on demand organized multicellular tissue structures and eventually intra-organ vascular networks. The latter, in turn, will promote the host integration of the engineered tissue/organ in situ once implanted. Existing biofabrication techniques still lay behind this goal. Here, we describe a novel microfluidic printing head-integrated within a custom 3D bioprinter-that allows for the deposition of multimaterial and/or multicellular within a single scaffold by extruding simultaneously different bioinks or by rapidly switching between one bioink and another. The designed bioprinting method effectively moves toward the direction of creating viable tissues and organs for implantation in clinic and research in lab environments.
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Affiliation(s)
- Cristina Colosi
- Department of Chemistry, University of Rome "La Sapienza", P.le A. Moro 5, 00185, Rome, Italy
| | - Marco Costantini
- Department of Chemistry, University of Rome "La Sapienza", P.le A. Moro 5, 00185, Rome, Italy
| | - Andrea Barbetta
- Department of Chemistry, University of Rome "La Sapienza", P.le A. Moro 5, 00185, Rome, Italy
| | - Mariella Dentini
- Department of Chemistry, University of Rome "La Sapienza", P.le A. Moro 5, 00185, Rome, Italy.
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Physical properties imparted by genipin to chitosan for tissue regeneration with human stem cells: A review. Int J Biol Macromol 2016; 93:1366-1381. [DOI: 10.1016/j.ijbiomac.2016.03.075] [Citation(s) in RCA: 49] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2016] [Revised: 02/28/2016] [Accepted: 03/06/2016] [Indexed: 12/11/2022]
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Chaurasia AS, Sajjadi S. Flexible Asymmetric Encapsulation for Dehydration-Responsive Hybrid Microfibers. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2016; 12:4146-4155. [PMID: 27352241 DOI: 10.1002/smll.201600465] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/12/2016] [Revised: 05/26/2016] [Indexed: 06/06/2023]
Abstract
A new class of smart alginate microfibers with asymmetric oil encapsulates is introduced. These fibers are produced by injecting an aqueous alginate solution into an outer aqueous calcium chloride solution to form alginate fibers, which are asymmetrically loaded with oil entities through eccentrically aligned inner capillaries. The fiber morphology and its degree of asymmetry can be tuned via altering the size, location, and frequency of the oil encapsulates. These asymmetric fibers reveal significant potential for applications where conventional symmetric fibers fail to perform. It is shown how asymmetric oil-encapsulated fibers can become dehydration-sensitive, and trigger the release of encapsulates if their hydration level drops below a critical value. It is also shown how the triggered response could be switched off on demand by stabilizing the oil encapsulates. The capability of asymmetric fibers to carry and release multiple cargos in parallel is demonstrated. The fibers loaded with equal-sized spheres are more asymmetric than those containing unequal drops, have a higher tensile strength, and show better potential for a triggered response.
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Affiliation(s)
- Ankur S Chaurasia
- Department of Physics, King's College London, Strand, London, WC2R 2LS, UK
| | - Shahriar Sajjadi
- Department of Physics, King's College London, Strand, London, WC2R 2LS, UK
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31
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Loh XJ. Four-Dimensional (4D) Printing in Consumer Applications. POLYMERS FOR PERSONAL CARE PRODUCTS AND COSMETICS 2016. [DOI: 10.1039/9781782623984-00108] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
Modern manufacturing primarily utilizes direct assembly techniques, limiting the possibility of error correction or instant modification of a structure. There is a growing need to program physical materials to build themselves. Adaptive materials are programmable physical or biological materials which possess shape changing properties or can be made to have simple logic responses. There are computer programs that allow the design of nano-robots that self-assemble into functional structures for drug delivery applications. There is immense potential in having disorganized fragments form an ordered construct through physical interactions. However, these are only self-assembly at the smallest scale, typically at the nanoscale. The answer to customizable macrostructures is in additive manufacturing, or 3D printing. 3D printing has been around for almost 30 years now and is starting to filter into the public arena. The main challenges are that 3D printers have been too inefficient, inaccessible, and slow. Cost is also a significant factor in the adoption of this technology. 3D printing has the potential to transform and disrupt the manufacturing landscape as well as our lives. 4D printing seeks to use multi-functional materials in 3D printing so that the printed structure has multiple response capabilities and is able to self-assemble at the macroscale. In this chapter, I will analyze the early promise of this technology as well as highlight potential challenges that adopters could face.
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Affiliation(s)
- Xian Jun Loh
- Institute of Materials Research and Engineering, A*STAR (Agency for Science, Technology and Research) 2 Fusionopolis Way, Innovis, #08-03 Singapore 138634 Singapore
- Department of Materials Science and Engineering, National University of Singapore Singapore 117574 Singapore
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Costantini M, Idaszek J, Szöke K, Jaroszewicz J, Dentini M, Barbetta A, Brinchmann JE, Święszkowski W. 3D bioprinting of BM-MSCs-loaded ECM biomimetic hydrogels for in vitro neocartilage formation. Biofabrication 2016; 8:035002. [PMID: 27431574 DOI: 10.1088/1758-5090/8/3/035002] [Citation(s) in RCA: 156] [Impact Index Per Article: 19.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
In this work we demonstrate how to print 3D biomimetic hydrogel scaffolds for cartilage tissue engineering with high cell density (>10(7) cells ml(-1)), high cell viability (85 ÷ 90%) and high printing resolution (≈100 μm) through a two coaxial-needles system. The scaffolds were composed of modified biopolymers present in the extracellular matrix (ECM) of cartilage, namely gelatin methacrylamide (GelMA), chondroitin sulfate amino ethyl methacrylate (CS-AEMA) and hyaluronic acid methacrylate (HAMA). The polymers were used to prepare three photocurable bioinks with increasing degree of biomimicry: (i) GelMA, (ii) GelMA + CS-AEMA and (iii) GelMA + CS-AEMA + HAMA. Alginate was added to the bioinks as templating agent to form stable fibers during 3D printing. In all cases, bioink solutions were loaded with bone marrow-derived human mesenchymal stem cells (BM-MSCs). After printing, the samples were cultured in expansion (negative control) and chondrogenic media to evaluate the possible differentiating effect exerted by the biomimetic matrix or the synergistic effect of the matrix and chondrogenic supplements. After 7, 14, and 21 days, gene expression of the chondrogenic markers (COL2A1 and aggrecan), marker of osteogenesis (COL1A1) and marker of hypertrophy (COL10A1) were evaluated qualitatively by means of fluorescence immunocytochemistry and quantitatively by means of RT-qPCR. The observed enhanced viability and chondrogenic differentiation of BM-MSCs, as well as high robustness and accuracy of the employed deposition method, make the presented approach a valid candidate for advanced engineering of cartilage tissue.
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Affiliation(s)
- Marco Costantini
- Warsaw University of Technology, Faculty of Materials Science and Engineering, 02-507 Warsaw, Poland. Department of Chemistry, Sapienza University of Rome, I-00185 Rome, Italy
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Liu Z, Takeuchi M, Nakajima M, Hasegawa Y, Huang Q, Fukuda T. Shape-controlled high cell-density microcapsules by electrodeposition. Acta Biomater 2016; 37:93-100. [PMID: 27045348 DOI: 10.1016/j.actbio.2016.03.045] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2015] [Revised: 03/23/2016] [Accepted: 03/31/2016] [Indexed: 12/27/2022]
Abstract
UNLABELLED Cell encapsulation within alginate-poly-l-lysine (PLL) microcapsules has been developed to provide a miniaturized three-dimensional (3D) microenvironment with an aqueous core while promoting development of encapsulated cells into high cell-density structures. In this paper, a novel method for fabricating shape-controlled alginate-PLL microcapsules to construct 3D cell structures based on electrodeposition method is provided. Two-dimensional Ca-alginate cell-laden gel membranes were electrodeposited onto a micro-patterned electrode and further detached from the electrode. The PLL was coated onto the gel structures to form alginate-PLL complex as an outer shell and sodium citric solution was utilized to melt the internal alginate to achieve miniaturized 3D microcapsules (sphere, cuboid, and rod shape). By this proposed method, rat liver cells (RLC-18) formed multi-cellular aggregates with high cell-density after cultivation for 2weeks. STATEMENT OF SIGNIFICANCE The use of alginate-poly-l-lysine (PLL) microcapsules has shown great potential in fabricating 3D cell structures with high cell density. Despite their success related to their ability to provide a miniaturized microenvironment with an aqueous core, alginate-PLL microcapsules has drawback such as a limited shape-control ability. Because of the mechanism of Ca-induced alginate gel formation, it is still difficult to precisely control the gelation process to produce alginate-PLL microcapsules with specific shape. The present study provides an electrodeposition-based method to generate shape-controlled microcapsules for 3D cell structures. Sphere, cuboid, and rod shaped microcapsules of RLC-18 cells were produced for long-term culture to obtain desired morphologies of cell aggregates.
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Yin HM, Qian J, Zhang J, Lin ZF, Li JS, Xu JZ, Li ZM. Engineering Porous Poly(lactic acid) Scaffolds with High Mechanical Performance via a Solid State Extrusion/Porogen Leaching Approach. Polymers (Basel) 2016; 8:E213. [PMID: 30979308 PMCID: PMC6432203 DOI: 10.3390/polym8060213] [Citation(s) in RCA: 42] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2016] [Revised: 05/18/2016] [Accepted: 05/26/2016] [Indexed: 01/20/2023] Open
Abstract
A knotty issue concerning the poor mechanical properties exists in the porogen leaching approach to porous scaffolds, despite its advantage in tuning pore structure. To address this hurdle, solid state extrusion (SSE) combined with porogen leaching was utilized to engineer porous scaffolds of poly(lactic acid) (PLA). Advances introduced by poly(ethylene glycol) (PEG) caused the PLA ductile to be processed and, on the other hand, enabled the formation of interconnected pores. Thus, a well-interconnected porous architecture with high connectivity exceeding 97% and elevated porosity over 60% was obtained in the as-prepared PLA scaffolds with the composition of NaCl higher than 75.00 wt % and PEG beyond 1.25 wt %. More strikingly, the pore walls of macropores encompassed countless micropores and rough surface topography, in favor of transporting nutrients and metabolites as well as cell attachment. The prominent compressive modulus of the PLA scaffolds was in the range of 85.7⁻207.4 MPa, matching the normal modulus of human trabecular bone (50⁻250 MPa). By means of alkaline modification to improve hydrophilicity, biocompatible porous PLA scaffolds exhibited good cell attachment. These results suggest that the SSE/porogen leaching approach provides an eligible clue for fabricating porous scaffolds with high mechanical performance for use as artificial extracellular matrices.
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Affiliation(s)
- Hua-Mo Yin
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu 610065, China.
| | - Jing Qian
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu 610065, China.
| | - Jin Zhang
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu 610065, China.
| | - Zai-Fu Lin
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu 610065, China.
| | - Jian-Shu Li
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu 610065, China.
| | - Jia-Zhuang Xu
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu 610065, China.
| | - Zhong-Ming Li
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu 610065, China.
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35
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Costantini M, Colosi C, Mozetic P, Jaroszewicz J, Tosato A, Rainer A, Trombetta M, Święszkowski W, Dentini M, Barbetta A. Correlation between porous texture and cell seeding efficiency of gas foaming and microfluidic foaming scaffolds. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2016; 62:668-77. [DOI: 10.1016/j.msec.2016.02.010] [Citation(s) in RCA: 46] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/25/2015] [Revised: 12/25/2015] [Accepted: 02/03/2016] [Indexed: 01/26/2023]
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Li Y, Liu Y, Jiang C, Li S, Liang G, Hu Q. A reactor-like spinneret used in 3D printing alginate hollow fiber: a numerical study of morphological evolution. SOFT MATTER 2016; 12:2392-9. [PMID: 26799402 DOI: 10.1039/c5sm02733k] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/15/2023]
Abstract
In this paper, a reactor-like spinneret is proposed to generate a continuous hollow hydrogel fiber. In order to reliably control the deforming dynamics, the components of the spinneret are standardized in order to ease the online observation of morphological evolution. We found that not only did a co-flow occur in the tubular space, but a relatively large shrinkage of the shell layer at the outlet also occurred. Whereupon a weak coupling of the velocity field and diffusion-reacting co-flow was developed to describe the monitored co-flow morphology and to simulate the intermediate state of the concentration field, as well as to calculate the shrinkage profile with an integral formula. And a critical isogram [G]cri was determined to correspond to the morphological segmental feature, to trigger gelation and shrinkage as a threshold of solubility and the integral upper limit of the shrinkage region. Experimental evidence indicates that: the simulation is able to effectively predict the inner diameter of the hollow fiber; the transient inner diameter of the fiber at the outlet is expanded by approximately 70 μm (co-flow distance = 15 mm) as compared to the initial fluid dynamics value, and that the relative mean error of the simulated inner diameter was less than 8%. The proposed study provides deeper insight into the printing of hollow fibers and other gelling processes which utilize a reactor-like spinneret.
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Affiliation(s)
- Y Li
- Rapid Manufacturing Engineering Center, Shanghai University, Shanghai 200444, China. and School of Mechanical and Power Engineering, Henan Polytechnic University, Jiaozuo, Henan 454000, China
| | - Y Liu
- Rapid Manufacturing Engineering Center, Shanghai University, Shanghai 200444, China.
| | - C Jiang
- Rapid Manufacturing Engineering Center, Shanghai University, Shanghai 200444, China.
| | - S Li
- Rapid Manufacturing Engineering Center, Shanghai University, Shanghai 200444, China.
| | - G Liang
- Rapid Manufacturing Engineering Center, Shanghai University, Shanghai 200444, China.
| | - Q Hu
- Rapid Manufacturing Engineering Center, Shanghai University, Shanghai 200444, China.
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37
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Saravanan S, Leena RS, Selvamurugan N. Chitosan based biocomposite scaffolds for bone tissue engineering. Int J Biol Macromol 2016; 93:1354-1365. [PMID: 26845481 DOI: 10.1016/j.ijbiomac.2016.01.112] [Citation(s) in RCA: 210] [Impact Index Per Article: 26.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2015] [Revised: 01/27/2016] [Accepted: 01/29/2016] [Indexed: 12/18/2022]
Abstract
The clinical demand for scaffolds and the diversity of available polymers provide freedom in the fabrication of scaffolds to achieve successful progress in bone tissue engineering (BTE). Chitosan (CS) has drawn much of the attention in recent years for its use as graft material either as alone or in a combination with other materials in BTE. The scaffolds should possess a number of properties like porosity, biocompatibility, water retention, protein adsorption, mechanical strength, biomineralization and biodegradability suited for BTE applications. In this review, CS and its properties, and the role of CS along with other polymeric and ceramic materials as scaffolds for bone tissue repair applications are highlighted.
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Affiliation(s)
- S Saravanan
- Department of Biotechnology, School of Bioengineering, SRM University, Kattankulathur, Tamil Nadu, India
| | - R S Leena
- Department of Biotechnology, School of Bioengineering, SRM University, Kattankulathur, Tamil Nadu, India
| | - N Selvamurugan
- Department of Biotechnology, School of Bioengineering, SRM University, Kattankulathur, Tamil Nadu, India.
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38
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Colosi C, Shin SR, Manoharan V, Massa S, Costantini M, Barbetta A, Dokmeci MR, Dentini M, Khademhosseini A. Microfluidic Bioprinting of Heterogeneous 3D Tissue Constructs Using Low-Viscosity Bioink. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2016; 28:677-84. [PMID: 26606883 PMCID: PMC4804470 DOI: 10.1002/adma.201503310] [Citation(s) in RCA: 506] [Impact Index Per Article: 63.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/08/2015] [Revised: 10/03/2015] [Indexed: 04/14/2023]
Abstract
A novel bioink and a dispensing technique for 3D tissue-engineering applications are presented. The technique incorporates a coaxial extrusion needle using a low-viscosity cell-laden bioink to produce highly defined 3D biostructures. The extrusion system is then coupled to a microfluidic device to control the bioink arrangement deposition, demonstrating the versatility of the bioprinting technique. This low-viscosity cell-responsive bioink promotes cell migration and alignment within each fiber organizing the encapsulated cells.
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Affiliation(s)
- Cristina Colosi
- Biomaterials Innovation Research Center, Harvard Medical School, Brigham and Women's Hospital, Cambridge, MA, 02139, USA
- Harvard-MIT Division of Health Sciences and Technology, Cambridge, MA, 02139, USA
- Department of Chemistry, Sapienza Università di Roma, Piazzale Aldo Moro 5, Rome, 00185, Italy
| | - Su Ryon Shin
- Biomaterials Innovation Research Center, Harvard Medical School, Brigham and Women's Hospital, Cambridge, MA, 02139, USA
- Harvard-MIT Division of Health Sciences and Technology, Cambridge, MA, 02139, USA
- Wyss Institute for Biologically Inspired Engineering, Boston, MA, 02115, USA
| | - Vijayan Manoharan
- Biomaterials Innovation Research Center, Harvard Medical School, Brigham and Women's Hospital, Cambridge, MA, 02139, USA
- Harvard-MIT Division of Health Sciences and Technology, Cambridge, MA, 02139, USA
| | - Solange Massa
- Biomaterials Innovation Research Center, Harvard Medical School, Brigham and Women's Hospital, Cambridge, MA, 02139, USA
- Harvard-MIT Division of Health Sciences and Technology, Cambridge, MA, 02139, USA
- Programa de Doctorado en Biomedicina, Universidad de los Andes, Santiago, 7620001, Chile
| | - Marco Costantini
- Department of Chemistry, Sapienza Università di Roma, Piazzale Aldo Moro 5, Rome, 00185, Italy
| | - Andrea Barbetta
- Department of Chemistry, Sapienza Università di Roma, Piazzale Aldo Moro 5, Rome, 00185, Italy
| | - Mehmet Remzi Dokmeci
- Biomaterials Innovation Research Center, Harvard Medical School, Brigham and Women's Hospital, Cambridge, MA, 02139, USA
- Harvard-MIT Division of Health Sciences and Technology, Cambridge, MA, 02139, USA
- Wyss Institute for Biologically Inspired Engineering, Boston, MA, 02115, USA
| | - Mariella Dentini
- Department of Chemistry, Sapienza Università di Roma, Piazzale Aldo Moro 5, Rome, 00185, Italy
| | - Ali Khademhosseini
- Biomaterials Innovation Research Center, Harvard Medical School, Brigham and Women's Hospital, Cambridge, MA, 02139, USA
- Harvard-MIT Division of Health Sciences and Technology, Cambridge, MA, 02139, USA
- Wyss Institute for Biologically Inspired Engineering, Boston, MA, 02115, USA
- Department of Bioindustrial Technologies, College of Animal Bioscience and Technology, Konkuk University, Hwayang-dong, Kwangjin-gu, Seoul, 143-701, Republic of Korea
- Department of Physics, King Abdulaziz University, Jeddah, 21569, Saudi Arabia
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Muzzarelli RAA, El Mehtedi M, Bottegoni C, Aquili A, Gigante A. Genipin-Crosslinked Chitosan Gels and Scaffolds for Tissue Engineering and Regeneration of Cartilage and Bone. Mar Drugs 2015; 13:7314-38. [PMID: 26690453 PMCID: PMC4699241 DOI: 10.3390/md13127068] [Citation(s) in RCA: 170] [Impact Index Per Article: 18.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2015] [Revised: 11/22/2015] [Accepted: 12/02/2015] [Indexed: 12/20/2022] Open
Abstract
The present review article intends to direct attention to the technological advances made since 2009 in the area of genipin-crosslinked chitosan (GEN-chitosan) hydrogels. After a concise introduction on the well recognized characteristics of medical grade chitosan and food grade genipin, the properties of GEN-chitosan obtained with a safe, spontaneous and irreversible chemical reaction, and the quality assessment of the gels are reviewed. The antibacterial activity of GEN-chitosan has been well assessed in the treatment of gastric infections supported by Helicobacter pylori. Therapies based on chitosan alginate crosslinked with genipin include stem cell transplantation, and development of contraction free biomaterials suitable for cartilage engineering. Collagen, gelatin and other proteins have been associated to said hydrogels in view of the regeneration of the cartilage. Viability and proliferation of fibroblasts were impressively enhanced upon addition of poly-l-lysine. The modulation of the osteocytes has been achieved in various ways by applying advanced technologies such as 3D-plotting and electrospinning of biomimetic scaffolds, with optional addition of nano hydroxyapatite to the formulations. A wealth of biotechnological advances and know-how has permitted reaching outstanding results in crucial areas such as cranio-facial surgery, orthopedics and dentistry. It is mandatory to use scaffolds fully characterized in terms of porosity, pore size, swelling, wettability, compressive strength, and degree of acetylation, if the osteogenic differentiation of human mesenchymal stem cells is sought: in fact, the novel characteristics imparted by GEN-chitosan must be simultaneously of physico-chemical and cytological nature. Owing to their high standard, the scientific publications dated 2010-2015 have met the expectations of an interdisciplinary audience.
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Affiliation(s)
- Riccardo A A Muzzarelli
- Faculty of Medicine, Polytechnic University of Marche, Via Tronto 10/A, Ancona IT-60126, Italy.
| | - Mohamad El Mehtedi
- Department of Industrial Engineering & Mathematical Sciences, Faculty of Engineering, Polytechnic University of Marche, Via Brecce Bianche, Ancona IT-60131, Italy.
| | - Carlo Bottegoni
- Clinical Orthopaedics, Department of Clinical and Molecular Sciences, Faculty of Medicine, Polytechnic University of Marche, Via Tronto 10/A, Ancona IT-60126, Italy.
| | - Alberto Aquili
- Clinical Orthopaedics, Department of Clinical and Molecular Sciences, Faculty of Medicine, Polytechnic University of Marche, Via Tronto 10/A, Ancona IT-60126, Italy.
| | - Antonio Gigante
- Clinical Orthopaedics, Department of Clinical and Molecular Sciences, Faculty of Medicine, Polytechnic University of Marche, Via Tronto 10/A, Ancona IT-60126, Italy.
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40
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Human hepatoma cell lines on gas foaming templated alginate scaffolds for in vitro drug-drug interaction and metabolism studies. Toxicol In Vitro 2015; 30:331-40. [DOI: 10.1016/j.tiv.2015.10.002] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2014] [Revised: 09/09/2015] [Accepted: 10/05/2015] [Indexed: 12/28/2022]
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41
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Muzzarelli RAA, El Mehtedi M, Mattioli-Belmonte M. Emerging biomedical applications of nano-chitins and nano-chitosans obtained via advanced eco-friendly technologies from marine resources. Mar Drugs 2014; 12:5468-502. [PMID: 25415349 PMCID: PMC4245541 DOI: 10.3390/md12115468] [Citation(s) in RCA: 113] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2014] [Revised: 11/02/2014] [Accepted: 11/03/2014] [Indexed: 12/31/2022] Open
Abstract
The present review article is intended to direct attention to the technological advances made in the 2010-2014 quinquennium for the isolation and manufacture of nanofibrillar chitin and chitosan. Otherwise called nanocrystals or whiskers, n-chitin and n-chitosan are obtained either by mechanical chitin disassembly and fibrillation optionally assisted by sonication, or by e-spinning of solutions of polysaccharides often accompanied by poly(ethylene oxide) or poly(caprolactone). The biomedical areas where n-chitin may find applications include hemostasis and wound healing, regeneration of tissues such as joints and bones, cell culture, antimicrobial agents, and dermal protection. The biomedical applications of n-chitosan include epithelial tissue regeneration, bone and dental tissue regeneration, as well as protection against bacteria, fungi and viruses. It has been found that the nano size enhances the performances of chitins and chitosans in all cases considered, with no exceptions. Biotechnological approaches will boost the applications of the said safe, eco-friendly and benign nanomaterials not only in these fields, but also for biosensors and in targeted drug delivery areas.
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Affiliation(s)
- Riccardo A A Muzzarelli
- Faculty of Medicine, Department of Clinical & Molecular Sciences, Polytechnic University of Marche, IT-60100 Ancona, Italy.
| | - Mohamad El Mehtedi
- Faculty of Engineering, Department of Industrial Engineering & Mathematical Sciences, Polytechnic University of Marche, IT-60100 Ancona, Italy.
| | - Monica Mattioli-Belmonte
- Faculty of Medicine, Department of Clinical & Molecular Sciences, Polytechnic University of Marche, IT-60100 Ancona, Italy.
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