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Soullard L, Pradalié F, Labat B, Lancelon-Pin C, Nonglaton G, Rolere S, Texier I, Jean B. Methacrylated Cellulose Nanocrystals as Fillers for the Development of Photo-Cross-Linkable Cytocompatible Biosourced Formulations Targeting 3D Printing. Biomacromolecules 2023; 24:6009-6024. [PMID: 38073466 DOI: 10.1021/acs.biomac.3c01090] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2023]
Abstract
Cellulose nanocrystals (CNCs) from cotton were functionalized in aqueous medium using methacrylic anhydride (MA) to produce methacrylated cellulose nanocrystals (mCNCs) with a degree of methacrylation (DM) up to 12.6 ± 0.50%. Dispersible as-prepared CNCs and mCNCs were then considered as reinforcing fillers for aqueous 3D-printable formulations based on methacrylated carboxymethylcellulose (mCMC). The rheological properties of such photo-cross-linkable aqueous formulations containing nonmodified CNCs or mCNCs at 0.2 or 0.5 wt% in 2 wt% mCMC were fully investigated. The influence of the presence of nanoparticles on the UV-curing kinetics and dimensions of the photo-cross-linked hydrogels was probed and 13C CP-MAS NMR spectroscopy was used to determine the maximum conversion ratio of methacrylates as well as the optimized time required for UV postcuring. The viscoelasticity of cross-linked hydrogels and swollen hydrogels was also studied. The addition of 0.5 wt% mCNC with a DM of 0.83 ± 0.040% to the formulation yielded faster cross-linking kinetics, better resolution, more robust cross-linked hydrogels, and more stable swollen hydrogels than pure mCMC materials. Additionally, the produced cryogels showed no cytotoxicity toward L929 fibroblasts. This biobased formulation could thus be considered for the 3D printing of hydrogels dedicated to biomedical purposes using vat polymerization techniques, such as stereolithography or digital light processing.
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Affiliation(s)
- Lénaïc Soullard
- Univ. Grenoble Alpes, CEA, LITEN, DTNM, Grenoble 38054, France
- Univ. Grenoble Alpes, CEA, LETI, DTBS, Grenoble 38054, France
- Univ. Grenoble Alpes, CNRS, CERMAV, Saint-Martin-d'Hères 38041, France
| | - Flavie Pradalié
- Univ. Grenoble Alpes, CNRS, CERMAV, Saint-Martin-d'Hères 38041, France
| | - Béatrice Labat
- Univ. Rouen Normandie, INSA Rouen Normandie, CNRS, PBS, Evreux 27000, France
| | | | | | | | - Isabelle Texier
- Univ. Grenoble Alpes, CEA, LETI, DTBS, Grenoble 38054, France
| | - Bruno Jean
- Univ. Grenoble Alpes, CNRS, CERMAV, Saint-Martin-d'Hères 38041, France
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Cortes Ruiz MF, Brusentsev Y, Lindström SB, Xu C, Wågberg L. Shape-recovering nanocellulose networks: Preparation, characterization and modeling. Carbohydr Polym 2023; 315:120950. [PMID: 37230608 DOI: 10.1016/j.carbpol.2023.120950] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2023] [Revised: 03/20/2023] [Accepted: 04/22/2023] [Indexed: 05/27/2023]
Abstract
Development of strong cellulose nanofibril (CNF) networks for advanced applications, such as in the biomedical field, is of high importance owing to the biocompatible nature and plant-based origin of cellulose nanofibrils. Nevertheless, lack of mechanical strength and complex synthesis methods hinder the application of these materials in areas where both toughness and manufacturing simplicity are required. In this work, we introduce a facile method for the synthesis of a low solid content (< 2 wt%), covalently crosslinked CNF hydrogel where Poly (N-isopropylacrylamide) (NIPAM) chains are utilized as crosslinks between the nanofibrils. The resulting networks have the capability to fully recover the shape in which they were formed after various drying and rewetting cycles. Characterization of the hydrogel and its constitutive components was performed using X-ray scattering, rheological investigations and uniaxial testing in compression. Influence of covalent crosslinks was compared with networks crosslinked by the addition of CaCl2. Among other things the results show that the mechanical properties of the hydrogels can be tuned by controlling the ionic strength of the surrounding medium. Finally, a mathematical model was developed based on the experimental results, which describes and predicts to a decent degree the large-deformation, elastoplastic behavior, and fracture of these networks.
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Affiliation(s)
- Maria F Cortes Ruiz
- Fiber Technology Division, Fiber and Polymer Technology Department, KTH Royal Institute of Technology, 114 28 Stockholm, Sweden; Wallenberg Wood Science Center, Fiber and Polymer Technology Department, KTH Royal Institute of Technology, 114 28 Stockholm, Sweden
| | - Yury Brusentsev
- Laboratory of Natural Materials Technology, Åbo Akademi University, 20500 Åbo, Finland
| | | | - Chunlin Xu
- Laboratory of Natural Materials Technology, Åbo Akademi University, 20500 Åbo, Finland
| | - Lars Wågberg
- Fiber Technology Division, Fiber and Polymer Technology Department, KTH Royal Institute of Technology, 114 28 Stockholm, Sweden; Wallenberg Wood Science Center, Fiber and Polymer Technology Department, KTH Royal Institute of Technology, 114 28 Stockholm, Sweden.
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Review on Hybrid Reinforced Polymer Matrix Composites with Nanocellulose, Nanomaterials, and Other Fibers. Polymers (Basel) 2023; 15:polym15040984. [PMID: 36850267 PMCID: PMC9959991 DOI: 10.3390/polym15040984] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2022] [Revised: 01/27/2023] [Accepted: 01/29/2023] [Indexed: 02/18/2023] Open
Abstract
The use of composite materials has seen many new innovations for a large variety of applications. The area of reinforcement in composites is also rapidly evolving with many new discoveries, including the use of hybrid fibers, sustainable materials, and nanocellulose. In this review, studies on hybrid fiber reinforcement, the use of nanocellulose, the use of nanocellulose in hybrid forms, the use of nanocellulose with other nanomaterials, the applications of these materials, and finally, the challenges and opportunities (including safety issues) of their use are thoroughly discussed. This review will point out new prospects for the composite materials world, enabling the use of nano- and micron-sized materials together and creating value-added products at the industrial scale. Furthermore, the use of hybrid structures consisting of two different nano-materials creates many novel solutions for applications in electronics and sensors.
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Jiang X, Mietner JB, Harder C, Komban R, Chen S, Strelow C, Sazama U, Fröba M, Gimmler C, Müller-Buschbaum P, Roth SV, Navarro JRG. 3D Printable Hybrid Gel Made of Polymer Surface-Modified Cellulose Nanofibrils Prepared by Surface-Initiated Controlled Radical Polymerization (SI-SET-LRP) and Upconversion Luminescent Nanoparticles. ACS APPLIED MATERIALS & INTERFACES 2023; 15:5687-5700. [PMID: 36669131 DOI: 10.1021/acsami.2c20775] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/17/2023]
Abstract
A cellulose nanofibril-based hybrid gel material was developed by grafting the polymerized stearyl acrylate (PSA) and upconversion nanoparticles (UCNPs) onto cellulose nanofibrils (CNFs) via Cu0-mediated radical polymerization (SET-LRP) to create a highly cross-linked CNF system. A two-step strategy was exploited to surface-exchange the ligand of the UCNPs from a hydrophobic ligand (oleic acid) to a hydrophilic small-molecule ligand (2-acrylamido-2-methyl-1-propanesulfonic acid, AMPS) and therefore be suitable for SET-LRP. The characteristics and properties of the hybrid material (UCNP-PSA-CNF) were monitored by Fourier transform infrared (FTIR) spectroscopy, thermogravimetric analysis (TGA), rheology, X-ray diffraction (XRD), and microscopic analysis. Those characterization techniques prove the efficient modification of the CNF, with the presence of 1.8% UCNPs. The luminescence measurement was carried out using a homebuilt confocal microscope with a 980 nm laser source. The nanostructure of UCNPs and their incorporated CNF species were measured by small-angle X-ray scattering (SAXS). In addition, this CNF-based hybrid gel has decisive rheological properties, such as good viscoelasticity (loss tangent was below 0.35 for the UCNP-PSA-CNF gel, while the PSA-CNF gel reached the highest value of 0.42), shear-thinning behavior, and shape retention, and was successfully applied to three-dimensional (3D) gel printing throughout various 3D print models.
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Affiliation(s)
- Xuehe Jiang
- Institute of Wood Science, University Hamburg, Leuschnerstraße 91, 21031 Hamburg, Germany
| | - J Benedikt Mietner
- Institute of Wood Science, University Hamburg, Leuschnerstraße 91, 21031 Hamburg, Germany
| | - Constantin Harder
- Deutsches Elektronen-Synchrotron DESY, Notkestrasse 85, 22607 Hamburg, Germany
| | - Rajesh Komban
- Fraunhofer Center for Applied Nanotechnology CAN, Grindelallee 117, D-20146 Hamburg, Germany
| | - Shouzheng Chen
- Deutsches Elektronen-Synchrotron DESY, Notkestrasse 85, 22607 Hamburg, Germany
| | - Christian Strelow
- Department of Chemistry, Institute of Physical Chemistry, University Hamburg, Grindelallee 117, 20146 Hamburg, Germany
| | - Uta Sazama
- Department of Chemistry, Institute of Inorganic and Applied Chemistry, University Hamburg, Martin-Luther-King-Platz 6, 20146 Hamburg, Germany
| | - Michael Fröba
- Department of Chemistry, Institute of Inorganic and Applied Chemistry, University Hamburg, Martin-Luther-King-Platz 6, 20146 Hamburg, Germany
| | - Christoph Gimmler
- Fraunhofer Center for Applied Nanotechnology CAN, Grindelallee 117, D-20146 Hamburg, Germany
| | - Peter Müller-Buschbaum
- Physik-Department, Lehrstuhl für Funtionelle Materielien, Technische Universität München, James-Franck-Strasse 1, 85748 Garching, Germany
- Technical University of Munich, Heinz Maier-Leibnitz Zentrum (MLZ), Lichtenbergstr. 1, 85748 Garching, Germany
| | - Stephan V Roth
- Deutsches Elektronen-Synchrotron DESY, Notkestrasse 85, 22607 Hamburg, Germany
| | - Julien R G Navarro
- Institute of Wood Science, University Hamburg, Leuschnerstraße 91, 21031 Hamburg, Germany
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Chen C, Huang B, Liu Y, Liu F, Lee IS. Functional engineering strategies of 3D printed implants for hard tissue replacement. Regen Biomater 2022; 10:rbac094. [PMID: 36683758 PMCID: PMC9845531 DOI: 10.1093/rb/rbac094] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2022] [Revised: 10/20/2022] [Accepted: 10/27/2022] [Indexed: 11/27/2022] Open
Abstract
Three-dimensional printing technology with the rapid development of printing materials are widely recognized as a promising way to fabricate bioartificial bone tissues. In consideration of the disadvantages of bone substitutes, including poor mechanical properties, lack of vascularization and insufficient osteointegration, functional modification strategies can provide multiple functions and desired characteristics of printing materials, enhance their physicochemical and biological properties in bone tissue engineering. Thus, this review focuses on the advances of functional engineering strategies for 3D printed biomaterials in hard tissue replacement. It is structured as introducing 3D printing technologies, properties of printing materials (metals, ceramics and polymers) and typical functional engineering strategies utilized in the application of bone, cartilage and joint regeneration.
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Affiliation(s)
- Cen Chen
- College of Life Sciences and Medicine, Zhejiang Sci-Tech University, Hangzhou 310018, PR China
| | - Bo Huang
- College of Life Sciences and Medicine, Zhejiang Sci-Tech University, Hangzhou 310018, PR China
| | - Yi Liu
- Department of Orthodontics, School of Stomatology, China Medical University, Shenyang 110002, PR China
| | - Fan Liu
- Department of Orthodontics, School of Stomatology, China Medical University, Shenyang 110002, PR China
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Jia J, Xue P, Ma L, Shi K, Li R. A novel approach to efficient degradation of pesticide intermediate 2,4,5-trichlorophenol by co-immobilized laccase-acetosyringone biocatalyst. Biochem Eng J 2022. [DOI: 10.1016/j.bej.2022.108607] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Ke Q, Ulbricht M. In situ reactive coating of porous filtration membranes with functional polymer layers to integrate boron adsorber property. J Memb Sci 2022. [DOI: 10.1016/j.memsci.2022.120851] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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Optimizing lignocellulosic nanofibril dimensions and morphology by mechanical refining for enhanced adhesion. Carbohydr Polym 2021; 273:118566. [PMID: 34560977 DOI: 10.1016/j.carbpol.2021.118566] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2021] [Revised: 08/11/2021] [Accepted: 08/13/2021] [Indexed: 01/06/2023]
Abstract
Using lignocellulosic nanofibrils as adhesive binders in structural composites is a growing field of interest attributable to their renewability, recyclability, and strength. A fundamental understanding of their adhesion mechanisms is crucial to tailor performance and optimize production costs. These mechanisms were elucidated by studying the morphology dependent adhesion in a model system composed of cellulose nanofibrils (CNFs) at different degrees of refinement and porous paper substrates. CNFs and lignin containing cellulose nanofibrils (LCNF) were characterized at different length scales using optical, atomic force, and scanning electron microscopy, revealing a complex distribution of sizes, spanning the macroscale to the nanoscale, which are modified unequally by refinement. Strong adhesion was correlated to a decrease in fiber size on the largest length scale and with an increase in relative fibril surface area. Flocculation hampered effective LCNF adhesion, but adding suspension stabilizers improved adhesion to levels comparable to CNF.
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