1
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Tikhomirov E, Franconetti A, Johansson M, Sandström C, Carlsson E, Andersson B, Hailer NP, Ferraz N, Palo-Nieto C. A Simple and Cost-Effective FeCl 3-Catalyzed Functionalization of Cellulose Nanofibrils: Toward Adhesive Nanocomposite Materials for Medical Implants. ACS APPLIED MATERIALS & INTERFACES 2024; 16:30385-30395. [PMID: 38816917 PMCID: PMC11181277 DOI: 10.1021/acsami.4c04351] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/18/2024] [Revised: 05/23/2024] [Accepted: 05/24/2024] [Indexed: 06/01/2024]
Abstract
In the present work, we explored Lewis acid catalysis, via FeCl3, for the heterogeneous surface functionalization of cellulose nanofibrils (CNFs). This approach, characterized by its simplicity and efficiency, facilitates the amidation of nonactivated carboxylic acids in carboxymethylated cellulose nanofibrils (c-CNF). Following the optimization of reaction conditions, we successfully introduced amine-containing polymers, such as polyethylenimine and Jeffamine, onto nanofibers. This introduction significantly enhanced the physicochemical properties of the CNF-based materials, resulting in improved characteristics such as adhesiveness and thermal stability. Reaction mechanistic investigations suggested that endocyclic oxygen of cellulose finely stabilizes the transition state required for further functionalization. Notably, a nanocomposite, containing CNF and a branched low molecular weight polyethylenimine (CNF-PEI 800), was synthesized using the catalytic reaction. The composite CNF-PEI 800 was thoroughly characterized having in mind its potential application as coating biomaterial for medical implants. The resulting CNF-PEI 800 hydrogel exhibits adhesive properties, which complement the established antibacterial qualities of polyethylenimine. Furthermore, CNF-PEI 800 demonstrates its ability to support the proliferation and differentiation of primary human osteoblasts over a period of 7 days.
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Affiliation(s)
- Evgenii Tikhomirov
- Nanotechnology
and Functional Materials, Department of Materials Science and Engineering, Uppsala University, Uppsala 751 03, Sweden
| | - Antonio Franconetti
- Departamento
de Química Orgánica, Facultad de Química, Universidad de Sevilla, Sevilla 41012, Spain
| | - Mathias Johansson
- Department
of Molecular Sciences, Swedish University
of Agricultural Sciences, Uppsala 756 51, Sweden
| | - Corine Sandström
- Department
of Molecular Sciences, Swedish University
of Agricultural Sciences, Uppsala 756 51, Sweden
| | - Elin Carlsson
- Ortholab,
Department of Surgical Sciences—Orthopaedics, Uppsala University, Uppsala 751 85, Sweden
| | - Brittmarie Andersson
- Ortholab,
Department of Surgical Sciences—Orthopaedics, Uppsala University, Uppsala 751 85, Sweden
| | - Nils P Hailer
- Ortholab,
Department of Surgical Sciences—Orthopaedics, Uppsala University, Uppsala 751 85, Sweden
| | - Natalia Ferraz
- Nanotechnology
and Functional Materials, Department of Materials Science and Engineering, Uppsala University, Uppsala 751 03, Sweden
| | - Carlos Palo-Nieto
- Nanotechnology
and Functional Materials, Department of Materials Science and Engineering, Uppsala University, Uppsala 751 03, Sweden
- Ortholab,
Department of Surgical Sciences—Orthopaedics, Uppsala University, Uppsala 751 85, Sweden
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2
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Xiao C, Wang N, Zhao Y, Liu X, Li H, Huang A, Wang L, Lou X, Gao B, Shao N. Rapid and Sensitive Detection of Inactivated SARS-CoV-2 Virus via Fiber-Optic and Electrochemical Impedance Spectroscopy Based Aptasensors. BIOSENSORS 2024; 14:231. [PMID: 38785705 PMCID: PMC11117632 DOI: 10.3390/bios14050231] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/08/2024] [Revised: 04/30/2024] [Accepted: 05/03/2024] [Indexed: 05/25/2024]
Abstract
The development of rapid detection tools for viruses is vital for the prevention of pandemics and biothreats. Aptamers that target inactivated viruses are attractive for sensors due to their improved biosafety. Here, we evaluated a DNA aptamer (named as 6.9) that specifically binds to the inactivated SARS-CoV-2 virus with a low dissociation constant (KD = 9.6 nM) for the first time. Based on aptamer 6.9, we developed a fiber-optic evanescent wave (FOEW) biosensor. Inactivated SARS-CoV-2 and the Cy5.5-tagged short complementary strand competitively bound with the aptamer immobilized on the surface of the sensor. The detection of the inactivated SARS-CoV-2 virus was realized within six minutes with a limit of detection (LOD, S/N = 3) of 740 fg/mL. We also developed an electrochemical impedance aptasensor which exhibited an LOD of 5.1 fg/mL and high specificity. We further demonstrated that the LODs of the FOEW and electrochemical impedance aptasensors were, respectively, more than 1000 and 100,000 times lower than those of commercial colloidal gold test strips. We foresee that the facile aptamer isolation process and sensor design can be easily extended for the detection of other inactivated viruses.
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Affiliation(s)
- Can Xiao
- Beijing Institute of Basic Medical Sciences, Beijing 100850, China; (C.X.); (Y.Z.); (X.L.); (H.L.); (A.H.); (L.W.)
| | - Nan Wang
- Department of Chemistry, Capital Normal University, Xisanhuan North Road. 105, Beijing 100048, China; (N.W.); (X.L.)
| | - Yuechao Zhao
- Beijing Institute of Basic Medical Sciences, Beijing 100850, China; (C.X.); (Y.Z.); (X.L.); (H.L.); (A.H.); (L.W.)
| | - Xuemei Liu
- Beijing Institute of Basic Medical Sciences, Beijing 100850, China; (C.X.); (Y.Z.); (X.L.); (H.L.); (A.H.); (L.W.)
| | - Hui Li
- Beijing Institute of Basic Medical Sciences, Beijing 100850, China; (C.X.); (Y.Z.); (X.L.); (H.L.); (A.H.); (L.W.)
| | - Aixue Huang
- Beijing Institute of Basic Medical Sciences, Beijing 100850, China; (C.X.); (Y.Z.); (X.L.); (H.L.); (A.H.); (L.W.)
| | - Lin Wang
- Beijing Institute of Basic Medical Sciences, Beijing 100850, China; (C.X.); (Y.Z.); (X.L.); (H.L.); (A.H.); (L.W.)
| | - Xinhui Lou
- Department of Chemistry, Capital Normal University, Xisanhuan North Road. 105, Beijing 100048, China; (N.W.); (X.L.)
| | - Bo Gao
- Beijing Institute of Basic Medical Sciences, Beijing 100850, China; (C.X.); (Y.Z.); (X.L.); (H.L.); (A.H.); (L.W.)
| | - Ningsheng Shao
- Beijing Institute of Basic Medical Sciences, Beijing 100850, China; (C.X.); (Y.Z.); (X.L.); (H.L.); (A.H.); (L.W.)
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3
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Yadav C, Lee JM, Mohanty P, Li X, Jang WD. Graft onto approaches for nanocellulose-based advanced functional materials. NANOSCALE 2023; 15:15108-15145. [PMID: 37712254 DOI: 10.1039/d3nr03087c] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/16/2023]
Abstract
The resurgence of cellulose as nano-dimensional 'nanocellulose' has unlocked a sustainable bioeconomy for the development of advanced functional biomaterials. Bestowed with multifunctional attributes, such as renewability and abundance of its source, biodegradability, biocompatibility, superior mechanical, optical, and rheological properties, tunable self-assembly and surface chemistry, nanocellulose presents exclusive opportunities for a wide range of novel applications. However, to alleviate its intrinsic hydrophilicity-related constraints surface functionalization is inevitably needed to foster various targeted applications. The abundant surface hydroxyl groups on nanocellulose offer opportunities for grafting small molecules or macromolecular entities using either a 'graft onto' or 'graft from' approach, resulting in materials with distinctive functionalities. Most of the reviews published to date extensively discussed 'graft from' modification approaches, however 'graft onto' approaches are not well discussed. Hence, this review aims to provide a comprehensive summary of 'graft onto' approaches. Furthermore, insight into some of the recently emerging applications of this grafted nanocellulose including advanced nanocomposite formulation, stimuli-responsive materials, bioimaging, sensing, biomedicine, packaging, and wastewater treatment has also been reviewed.
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Affiliation(s)
- Chandravati Yadav
- Department of Chemistry, Yonsei University, 50 Yonsei-ro, Seodaemun-gu, 03722 Seoul, Republic of Korea.
| | - Jeong-Min Lee
- Department of Chemistry, Yonsei University, 50 Yonsei-ro, Seodaemun-gu, 03722 Seoul, Republic of Korea.
| | - Paritosh Mohanty
- Functional Materials Laboratory, Department of Chemistry, IIT Roorkee, Roorkee 247667, Uttarakhand, India
| | - Xinping Li
- College of Bioresources Chemical and Materials Engineering, Shaanxi University of Science & Technology, Xi'an, Shaanxi 710021, PR China
| | - Woo-Dong Jang
- Department of Chemistry, Yonsei University, 50 Yonsei-ro, Seodaemun-gu, 03722 Seoul, Republic of Korea.
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4
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Brusentsev Y, Yang P, King AWT, Cheng F, Cortes Ruiz MF, Eriksson JE, Kilpeläinen I, Willför S, Xu C, Wågberg L, Wang X. Photocross-Linkable and Shape-Memory Biomaterial Hydrogel Based on Methacrylated Cellulose Nanofibres. Biomacromolecules 2023; 24:3835-3845. [PMID: 37527286 PMCID: PMC10428165 DOI: 10.1021/acs.biomac.3c00476] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2023] [Revised: 07/17/2023] [Indexed: 08/03/2023]
Abstract
In the context of three-dimensional (3D) cell culture and tissue engineering, 3D printing is a powerful tool for customizing in vitro 3D cell culture models that are critical for understanding the cell-matrix and cell-cell interactions. Cellulose nanofibril (CNF) hydrogels are emerging in constructing scaffolds able to imitate tissue in a microenvironment. A direct modification of the methacryloyl (MA) group onto CNF is an appealing approach to synthesize photocross-linkable building blocks in formulating CNF-based bioinks for light-assisted 3D printing; however, it faces the challenge of the low efficiency of heterogenous surface modification. Here, a multistep approach yields CNF methacrylate (CNF-MA) with a decent degree of substitution while maintaining a highly dispersible CNF hydrogel, and CNF-MA is further formulated and copolymerized with monomeric acrylamide (AA) to form a super transparent hydrogel with tuneable mechanical strength (compression modulus, approximately 5-15 kPa). The resulting photocurable hydrogel shows good printability in direct ink writing and good cytocompatibility with HeLa and human dermal fibroblast cell lines. Moreover, the hydrogel reswells in water and expands to all directions to restore its original dimension after being air-dried, with further enhanced mechanical properties, for example, Young's modulus of a 1.1% CNF-MA/1% PAA hydrogel after reswelling in water increases to 10.3 kPa from 5.5 kPa.
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Affiliation(s)
- Yury Brusentsev
- Laboratory
of Natural Materials Technology, Johan Gadolin Process Chemistry Centre, Åbo Akademi University, Henrikinkatu 2, 20500 Turku, Finland
| | - Peiru Yang
- Turku
Bioscience Centre, University of Turku and
Åbo Akademi University, Tykistökatu 6, 20520 Turku, Finland
- Cell
Biology, Faculty of Science and Engineering, Åbo Akademi University, Tykistökatu 6, 20520 Turku, Finland
| | - Alistair W. T. King
- Chemistry
Department, University of Helsinki, Yliopistonkatu 3, 00014 Helsinki, Finland
| | - Fang Cheng
- School
of Pharmaceutical Sciences (Shenzhen), Shenzhen
Campus of Sun Yat-sen University, Shenzhen 518107, China
| | - Maria F. Cortes Ruiz
- Department
of Fibre and Polymer Technology, Division of Fibre Technology, KTH Royal Institute of Technology, Teknikringen 56-58, 100 44 Stockholm, Sweden
- Department
of Fibre and Polymer Technology, Wallenberg Wood Science Centre, KTH Royal Institute of Technology, Teknikringen 56-58, 100 44 Stockholm, Sweden
| | - John E. Eriksson
- Turku
Bioscience Centre, University of Turku and
Åbo Akademi University, Tykistökatu 6, 20520 Turku, Finland
- Cell
Biology, Faculty of Science and Engineering, Åbo Akademi University, Tykistökatu 6, 20520 Turku, Finland
| | - Ilkka Kilpeläinen
- Chemistry
Department, University of Helsinki, Yliopistonkatu 3, 00014 Helsinki, Finland
| | - Stefan Willför
- Laboratory
of Natural Materials Technology, Johan Gadolin Process Chemistry Centre, Åbo Akademi University, Henrikinkatu 2, 20500 Turku, Finland
| | - Chunlin Xu
- Laboratory
of Natural Materials Technology, Johan Gadolin Process Chemistry Centre, Åbo Akademi University, Henrikinkatu 2, 20500 Turku, Finland
| | - Lars Wågberg
- Department
of Fibre and Polymer Technology, Division of Fibre Technology, KTH Royal Institute of Technology, Teknikringen 56-58, 100 44 Stockholm, Sweden
- Department
of Fibre and Polymer Technology, Wallenberg Wood Science Centre, KTH Royal Institute of Technology, Teknikringen 56-58, 100 44 Stockholm, Sweden
| | - Xiaoju Wang
- Laboratory
of Natural Materials Technology, Johan Gadolin Process Chemistry Centre, Åbo Akademi University, Henrikinkatu 2, 20500 Turku, Finland
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5
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Benselfelt T, Kummer N, Nordenström M, Fall AB, Nyström G, Wågberg L. The Colloidal Properties of Nanocellulose. CHEMSUSCHEM 2023; 16:e202201955. [PMID: 36650954 DOI: 10.1002/cssc.202201955] [Citation(s) in RCA: 13] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/20/2022] [Revised: 01/16/2023] [Indexed: 06/17/2023]
Abstract
Nanocelluloses are anisotropic nanoparticles of semicrystalline assemblies of glucan polymers. They have great potential as renewable building blocks in the materials platform of a more sustainable society. As a result, the research on nanocellulose has grown exponentially over the last decades. To fully utilize the properties of nanocelluloses, a fundamental understanding of their colloidal behavior is necessary. As elongated particles with dimensions in a critical nanosize range, their colloidal properties are complex, with several behaviors not covered by classical theories. In this comprehensive Review, we describe the most prominent colloidal behaviors of nanocellulose by combining experimental data and theoretical descriptions. We discuss the preparation and characterization of nanocellulose dispersions, how they form networks at low concentrations, how classical theories cannot describe their behavior, and how they interact with other colloids. We then show examples of how scientists can use this fundamental knowledge to control the assembly of nanocellulose into new materials with exceptional properties. We hope aspiring and established researchers will use this Review as a guide.
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Affiliation(s)
- Tobias Benselfelt
- Department of Fibre and Polymer Technology, KTH Royal Institute of Technology, 100 44, Stockholm, Sweden
- Wallenberg Wood Science Center, KTH Royal Institute of Technology, 100 44, Stockholm, Sweden
- School of Materials Science and Engineering, Nanyang Technological University, 639798, Singapore, Singapore
| | - Nico Kummer
- Laboratory for Cellulose & Wood Materials, Empa - Swiss Federal Laboratories for Materials Science and Technology, Überlandstrasse 129, 8600, Dübendorf, Switzerland
- Department of Health Sciences and Technology, ETH Zürich, 8092, Zürich, Switzerland
| | - Malin Nordenström
- Department of Fibre and Polymer Technology, KTH Royal Institute of Technology, 100 44, Stockholm, Sweden
- Wallenberg Wood Science Center, KTH Royal Institute of Technology, 100 44, Stockholm, Sweden
| | | | - Gustav Nyström
- Laboratory for Cellulose & Wood Materials, Empa - Swiss Federal Laboratories for Materials Science and Technology, Überlandstrasse 129, 8600, Dübendorf, Switzerland
- Department of Health Sciences and Technology, ETH Zürich, 8092, Zürich, Switzerland
| | - Lars Wågberg
- Department of Fibre and Polymer Technology, KTH Royal Institute of Technology, 100 44, Stockholm, Sweden
- Wallenberg Wood Science Center, KTH Royal Institute of Technology, 100 44, Stockholm, Sweden
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6
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Huntington B, Pitcher ML, Sheikhi A. Nanoengineering the Redispersibility of Cellulose Nanocrystals. Biomacromolecules 2023; 24:43-56. [PMID: 36469623 DOI: 10.1021/acs.biomac.2c00518] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Enhancing the redispersibility of dried colloidal particles to yield stable dispersions after rehydration is a persistent challenge in the sustainable processing of nanocelluloses due to hydrogen bonding-induced irreversible aggregation. Programming nanocelluloses, such as cellulose nanocrystals (CNC), with moieties that enable colloidal repulsion after rehydration may address this challenge and contribute to the United Nation (UN)'s sustainable development goals (SDGs) of urban development and sustainable living (SDGs 9 and 11) and cradle-to-cradle processing (SDG 12). We hypothesize that imparting electrosteric repulsion to CNC via polyanionic disordered cellulose chains (hairs) protruding from each end may render the dried nanocrystals highly redispersible in aqueous media. Anionic hairy CNC (AHCNC), that is, CNC decorated with dicarboxylated cellulose (DCC) chains, were synthesized by the preferential, successive periodate/chlorite oxidation of the disordered regions of cellulose fibrils, bearing >5 mmol of carboxylate groups per gram. The colloidal properties of AHCNC were compared with those of sulfate half-ester group-functionalized CNC and TEMPO-oxidized CNC (TOCNC) after redispersion in aqueous media, followed by comparing the redispersibility of AHCNC and CNC in aqueous solutions containing monovalent or divalent cations and at varying pH. The AHCNC had remarkable aqueous redispersibility even at high ionic strengths and extreme pH. The unique redispersibility mechanism of dried AHCNC relies on the synergistic steric and electrostatic repulsion forces, recuperated upon the rehydration of DCC. This work may open new opportunities for more sustainable and cost-effective handling and processing of nanocelluloses.
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Affiliation(s)
- Breanna Huntington
- Department of Chemical Engineering, The Pennsylvania State University, University Park, Pennsylvania16802, United States.,Department of Agricultural and Biological Engineering, The Pennsylvania State University, University Park, Pennsylvania16802, United States
| | - Mica L Pitcher
- Department of Chemical Engineering, The Pennsylvania State University, University Park, Pennsylvania16802, United States.,Department of Chemistry, The Pennsylvania State University, University Park, Pennsylvania16802, United States
| | - Amir Sheikhi
- Department of Chemical Engineering, The Pennsylvania State University, University Park, Pennsylvania16802, United States.,Department of Biomedical Engineering, The Pennsylvania State University, University Park, Pennsylvania16802, United States
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7
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Heise K, Koso T, King AWT, Nypelö T, Penttilä P, Tardy BL, Beaumont M. Spatioselective surface chemistry for the production of functional and chemically anisotropic nanocellulose colloids. JOURNAL OF MATERIALS CHEMISTRY. A 2022; 10:23413-23432. [PMID: 36438677 PMCID: PMC9664451 DOI: 10.1039/d2ta05277f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/01/2022] [Accepted: 09/27/2022] [Indexed: 06/16/2023]
Abstract
Maximizing the benefits of nanomaterials from biomass requires unique considerations associated with their native chemical and physical structure. Both cellulose nanofibrils and nanocrystals are extracted from cellulose fibers via a top-down approach and have significantly advanced materials chemistry and set new benchmarks in the last decade. One major challenge has been to prepare defined and selectively modified nanocelluloses, which would, e.g., allow optimal particle interactions and thereby further improve the properties of processed materials. At the molecular and crystallite level, the surface of nanocelluloses offers an alternating chemical structure and functional groups of different reactivity, enabling straightforward avenues towards chemically anisotropic and molecularly patterned nanoparticles via spatioselective chemical modification. In this review, we will explain the influence and role of the multiscale hierarchy of cellulose fibers in chemical modifications, and critically discuss recent advances in selective surface chemistry of nanocelluloses. Finally, we will demonstrate the potential of those chemically anisotropic nanocelluloses in materials science and discuss challenges and opportunities in this field.
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Affiliation(s)
- Katja Heise
- Department of Bioproducts and Biosystems, Aalto University P.O. Box 16300 FI-00076 Aalto Espoo Finland
| | - Tetyana Koso
- Materials Chemistry Division, Chemistry Department, University of Helsinki FI-00560 Helsinki Finland
| | - Alistair W T King
- VTT Technical Research Centre of Finland Ltd., Biomaterial Processing and Products 02044 Espoo Finland
| | - Tiina Nypelö
- Chalmers University of Technology 41296 Gothenburg Sweden
- Wallenberg Wood Science Center, Chalmers University of Technology 41296 Gothenburg Sweden
| | - Paavo Penttilä
- Department of Bioproducts and Biosystems, Aalto University P.O. Box 16300 FI-00076 Aalto Espoo Finland
| | - Blaise L Tardy
- Khalifa University, Department of Chemical Engineering Abu Dhabi United Arab Emirates
- Center for Membrane and Advanced Water Technology, Khalifa University Abu Dhabi United Arab Emirates
- Research and Innovation Center on CO2 and Hydrogen, Khalifa University Abu Dhabi United Arab Emirates
| | - Marco Beaumont
- Institute of Chemistry of Renewable Resources, Department of Chemistry, University of Natural Resources and Life Sciences Vienna (BOKU), Konrad-Lorenz-Str. 24 A-3430 Tulln Austria
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8
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Liu C, Li Z, Li MC, Chen W, Xu W, Hong S, Wu Q, Mei C. Lignin-containing cellulose nanofibers made with microwave-aid green solvent treatment for magnetic fluid stabilization. Carbohydr Polym 2022; 291:119573. [DOI: 10.1016/j.carbpol.2022.119573] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2021] [Revised: 04/23/2022] [Accepted: 05/02/2022] [Indexed: 11/30/2022]
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9
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Nanoengineering and green chemistry-oriented strategies toward nanocelluloses for protein sensing. Adv Colloid Interface Sci 2022; 308:102758. [PMID: 36037672 DOI: 10.1016/j.cis.2022.102758] [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: 05/31/2022] [Revised: 07/31/2022] [Accepted: 08/18/2022] [Indexed: 11/24/2022]
Abstract
As one of the most important functional organic macromolecules of life, proteins not only participate in the cell metabolism and gene regulation, they also earnestly protect the body's immunity system, leading to a powerful biological shield and homeostasis. Advances in nanomaterials are boosting the significant progress in various applications, including the sensing and examination of proteins in trace amount. Nanocellulose-oriented protein sensing is at the forefront of this revolution. The inherent feature of high biocompatibility, low cytotoxicity, high specific area, good durability and marketability endow nanocellulose with great superiority in protein sensing. Here, we highlight the recent progress of protein sensing using nanocellulose as the biosensor in trace amount. Besides, various kinds of construction strategies for nanocelluloses-based biosensors are discussed in detail, to enhance the agility and accuracy of clinical/medical diagnostics. Finally, several challenges in the approbatory identification of new approaches for the marketization of biomedical sensing that need further expedition in the future are highlighted.
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10
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Biranje SS, Sun J, Cheng L, Cheng Y, Shi Y, Yu S, Jiao H, Zhang M, Lu X, Han W, Wang Q, Zhang Z, Liu J. Development of Cellulose Nanofibril/Casein-Based 3D Composite Hemostasis Scaffold for Potential Wound-Healing Application. ACS APPLIED MATERIALS & INTERFACES 2022; 14:3792-3808. [PMID: 35037458 DOI: 10.1021/acsami.1c21039] [Citation(s) in RCA: 21] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Excessive bleeding in traumatic hemorrhage is the primary concern for natural wound healing and the main reason for trauma deaths. The three-dimensional (3D) bioprinting of bioinks offers the desired structural complexity vital for hemostasis activity and targeted cell proliferation in rapid and controlled wound healing. However, it is challenging to develop suitable bioinks to fabricate specific 3D scaffolds desirable in wound healing. In this work, a 3D composite scaffold is designed using bioprinting technology and synergistic hemostasis mechanisms of cellulose nanofibrils (TCNFs), chitosan, and casein to control blood loss in traumatic hemorrhage. Bioinks that consist of casein bioconjugated TCNF (with a casein content of 104.5 ± 34.1 mg/g) using the carbodiimide cross-linker chemistry were subjected to bioprinting for customizable 3D scaffold fabrication. Further, the 3D composite scaffolds were in situ cross-linked using a green ionic complexation approach. The covalent conjugation among TCNF, casein, and chitosan was confirmed by Fourier transform infrared (FTIR) spectroscopy, nuclear magnetic resonance (NMR), X-ray photoelectron spectroscopy (XPS), sodium dodecyl sulfate-polyacrylamide gel electrophoresis (SDS-PAGE), and X-ray diffraction (XRD) studies. The in vitro hemostasis activity of the 3D composite scaffold was analyzed by a human thrombin-antithrombin (TAT) assay and adsorption of red blood cells (RBCs) and platelets. The 3D composite scaffold had a better swelling behavior and a faster whole blood clotting rate at each time point than the 3D TCNF scaffold and commercial cellulose-based dressings. The TAT assay demonstrated that the 3D composite scaffold could form a higher content of thrombin (663.29 pg/mL) and stable blood clot compared to a cellulosic pad (580.35 pg/mL), 3D TCNF (457.78 pg/mL), and cellulosic gauze (328.92 pg/mL), which are essential for faster blood coagulation. In addition, the 3D composite scaffold had a lower blood clotting index (23.34%) than the 3D TCNF scaffold (41.93%), suggesting higher efficiencies for RBC entrapping to induce blood clotting. The in vivo cytocompatibility was evaluated by a 3D cell culture study, and results showed that the 3D composite scaffold could promote growth and proliferation of NIH 3T3 fibroblast cells, which is vital for wound healing. Cellulase-based in vitro deconstruction of the 3D composite scaffold showed significant weight loss (80 ± 5%) compared to the lysozyme hydrolysis (22 ± 5%) after 28 days of incubation, suggesting the biodegradation potential of the composite scaffold. In conclusion, this study proposes efficient prospects to develop a 3D composite scaffold from bioprinting of TCNF-based bioinks that can accelerate blood clotting and wound healing, suggesting its potential application in reducing blood loss during traumatic hemorrhage.
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Affiliation(s)
- Santosh Shivaji Biranje
- Biofuels Institute, School of the Environment and Safety Engineering, Jiangsu University, 301 Xuefu Road, Zhenjiang 212013, China
| | - Jianzhong Sun
- Biofuels Institute, School of the Environment and Safety Engineering, Jiangsu University, 301 Xuefu Road, Zhenjiang 212013, China
| | - Lu Cheng
- Reproduction Medicine Center, Affiliated Hospital of Jiangsu University, 438 Jiefang Road, Zhenjiang 212001, China
| | - Yu Cheng
- Key Laboratory of Pulp and Paper Science & Technology of Ministry of Education, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250353, China
| | - Yifei Shi
- Biofuels Institute, School of the Environment and Safety Engineering, Jiangsu University, 301 Xuefu Road, Zhenjiang 212013, China
| | - Sujie Yu
- Biofuels Institute, School of the Environment and Safety Engineering, Jiangsu University, 301 Xuefu Road, Zhenjiang 212013, China
| | - Haixin Jiao
- Biofuels Institute, School of the Environment and Safety Engineering, Jiangsu University, 301 Xuefu Road, Zhenjiang 212013, China
| | - Meng Zhang
- Biofuels Institute, School of the Environment and Safety Engineering, Jiangsu University, 301 Xuefu Road, Zhenjiang 212013, China
| | - Xuechu Lu
- Biofuels Institute, School of the Environment and Safety Engineering, Jiangsu University, 301 Xuefu Road, Zhenjiang 212013, China
| | - Wenjia Han
- Key Laboratory of Pulp and Paper Science & Technology of Ministry of Education, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250353, China
| | - Qianqian Wang
- Biofuels Institute, School of the Environment and Safety Engineering, Jiangsu University, 301 Xuefu Road, Zhenjiang 212013, China
| | - Zhen Zhang
- SCNU-TUE Joint Lab of Device Integrated Responsive Materials (DIRM), National Center for International Research on Green Optoelectronics, South China Normal University, Guangzhou 510006, China
- ScienceK Ltd., Huzhou 313000, China
| | - Jun Liu
- Biofuels Institute, School of the Environment and Safety Engineering, Jiangsu University, 301 Xuefu Road, Zhenjiang 212013, China
- Key Laboratory of Pulp and Paper Science & Technology of Ministry of Education, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250353, China
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11
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Wang Y, Yu Z, Dufresne A, Ye Z, Lin N, Zhou J. Quantitative Analysis of Compatibility and Dispersibility in Nanocellulose-Reinforced Composites: Hansen Solubility and Raman Mapping. ACS NANO 2021; 15:20148-20163. [PMID: 34788992 DOI: 10.1021/acsnano.1c08100] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Considering its high specific modulus, nanocellulose, including rigid cellulose nanocrystals (CNCs) and semiflexible cellulose nanofibrils (CNFs), is widely used as a nano-reinforcing filler for polymeric-based composites, which is regarded as the most promising application of these biomass nanoparticles. The quantitative evaluation of the compatibility and dispersion/aggregation state of nanocellulose in polymeric matrices is a critical issue, as it conditions the efficient stress transfer from the matrix to the filler and effective mechanical reinforcement effect. This study reports a comprehensive set of theories and methods to directly evaluate the compatibility and dispersibility of CNCs and CNFs in four polymer matrices with different polarities, where the compatibility was assessing by Hansen solubility and dispersibility by Raman mapping and cluster analysis. Triple-bond modification on the surface of nanocellulose is a promising approach for accurate recognition in composites, exhibiting the individual signal located in the Raman-silent regions of various polymeric matrices. Based on the discussion of the quantitative dispersion factor, a multiscale percolation model is proposed to better predict the mechanical properties of nanocellulose-reinforced composites based on Raman mapping results, in order to update traditional percolation models.
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Affiliation(s)
- Yuxia Wang
- School of Chemistry, Chemical Engineering and Life Sciences, Wuhan University of Technology, Wuhan 430070, People's Republic of China
| | - Zechuan Yu
- School of Civil Engineering and Architecture, Wuhan University of Technology, Wuhan 430070, People's Republic of China
| | - Alain Dufresne
- University Grenoble Alpes, CNRS, Grenoble INP (Institute of Engineering University Grenoble Alpes), LGP2, F-38000, Grenoble, France
| | - Zelin Ye
- Ministry of Education Key Laboratory for the Synthesis and Application of Organic Functional Molecules, College of Chemistry and Chemical Engineering, Hubei University, Wuhan 430062, People's Republic of China
| | - Ning Lin
- School of Chemistry, Chemical Engineering and Life Sciences, Wuhan University of Technology, Wuhan 430070, People's Republic of China
| | - Ji Zhou
- Ministry of Education Key Laboratory for the Synthesis and Application of Organic Functional Molecules, College of Chemistry and Chemical Engineering, Hubei University, Wuhan 430062, People's Republic of China
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12
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Singam A, Killi N, Patel PR, Gundloori RVN. PEGylated ethyl cellulose micelles as a nanocarrier for drug delivery. RSC Adv 2021; 11:30532-30543. [PMID: 35479870 PMCID: PMC9041117 DOI: 10.1039/d1ra04242d] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2021] [Accepted: 07/30/2021] [Indexed: 12/28/2022] Open
Abstract
Natural polymers provide a better alternative to synthetic polymers in the domain of drug delivery systems (DDSs) because of their renewability, biocompatibility, and low immunogenicity; therefore, they are being studied for the development of bulk/nanoformulations. Likewise, current methods for engineering natural polymers into micelles are in their infancy, and in-depth studies are required using natural polymers as controlled DDSs. Accordingly, in our present study, a new micellar DDS was synthesized using ethyl cellulose (EC) grafted with polyethylene glycol (PEG); it was characterized, its properties, cell toxicity, and hemocompatibility were evaluated, and its drug release kinetics were demonstrated using doxorubicin (DOX) as a model drug. Briefly, EC was grafted with PEG to form the amphiphilic copolymers EC-PEG1 and EC-PEG2 with varying PEG concentrations, and nano-micelles were prepared with and without the drug (DOX) via a dialysis method; the critical micelle concentrations (CMCs) were recorded to be 0.03 mg mL−1 and 0.00193 mg mL−1 for EC-PEG1 and EC-PEG2, respectively. The physicochemical properties of the respective nano-micelles were evaluated via various characterization techniques. The morphologies of the nano-micelles were analyzed via transmission electron microscopy (TEM), and the average size of the nano-micelles was recorded to be ∼80 nm. In vitro, drug release studies were done for 48 h, where 100% DOX release was recorded at pH 5.5 and 52% DOX release was recorded at pH 7.4 from the micelles. In addition, cytotoxicity studies suggested that DOX-loaded micelles were potent in killing MDA-MB-231 and MCF-7 cancer cells, and the blank micelles were non-toxic toward cancerous and normal cells. A cellular uptake study via fluorescence microscopy indicated the internalization of DOX-loaded micelles by cancer cells, delivering the DOX into the cellular compartments. Based on these studies, we concluded that the developed material should be studied further via in vivo studies to understand its potential as a controlled DDS to treat cancer. Ethyl cellulose was developed as an amphiphilic polymer by PEGylation and fabricated as nanomicelles for delivery of active molecules. This polymeric system can be used as next generation nano drug delivery system (nanoDDS) for cancer therapy.![]()
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Affiliation(s)
- Amarnath Singam
- Polymer Science and Engineering, CSIR-National Chemical Laboratory Homi Bhabha Road Pune-411008 Maharashtra India .,Academy of Scientific and Innovative Research (AcSIR) Ghaziabad-201002 Uttar Pradesh India
| | - Naresh Killi
- Polymer Science and Engineering, CSIR-National Chemical Laboratory Homi Bhabha Road Pune-411008 Maharashtra India .,Academy of Scientific and Innovative Research (AcSIR) Ghaziabad-201002 Uttar Pradesh India
| | - Pratikshkumar R Patel
- Polymer Science and Engineering, CSIR-National Chemical Laboratory Homi Bhabha Road Pune-411008 Maharashtra India .,Academy of Scientific and Innovative Research (AcSIR) Ghaziabad-201002 Uttar Pradesh India
| | - Rathna V N Gundloori
- Polymer Science and Engineering, CSIR-National Chemical Laboratory Homi Bhabha Road Pune-411008 Maharashtra India .,Academy of Scientific and Innovative Research (AcSIR) Ghaziabad-201002 Uttar Pradesh India
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13
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Prediction of procarbazine adsorption on the hydroxyethyl cellulose: A density functional theory study. COMPUT THEOR CHEM 2021. [DOI: 10.1016/j.comptc.2021.113250] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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14
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Chiulan I, Heggset EB, Voicu ŞI, Chinga-Carrasco G. Photopolymerization of Bio-Based Polymers in a Biomedical Engineering Perspective. Biomacromolecules 2021; 22:1795-1814. [PMID: 33819022 DOI: 10.1021/acs.biomac.0c01745] [Citation(s) in RCA: 32] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Photopolymerization is an effective method to covalently cross-link polymer chains that can be shaped into several biomedical products and devices. Additionally, polymerization reaction may induce a fluid-solid phase transformation under physiological conditions and is ideal for in vivo cross-linking of injectable polymers. The photoinitiator is a key ingredient able to absorb the energy at a specific light wavelength and create radicals that convert the liquid monomer solution into polymers. The combination of photopolymerizable polymers, containing appropriate photoinitiators, and effective curing based on dedicated light sources offers the possibility to implement photopolymerization technology in 3D bioprinting systems. Hence, cell-laden structures with high cell viability and proliferation, high accuracy in production, and good control of scaffold geometry can be biofabricated. In this review, we provide an overview of photopolymerization technology, focusing our efforts on natural polymers, the chemistry involved, and their combination with appropriate photoinitiators to be used within 3D bioprinting and manufacturing of biomedical devices. The reviewed articles showed the impact of different factors that influence the success of the photopolymerization process and the final properties of the cross-linked materials.
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Affiliation(s)
- Ioana Chiulan
- Polymer Department, The National Institute for Research & Development in Chemistry and Petrochemistry - ICECHIM, 202 Spl. Independentei, Bucharest 060021, Romania.,Advanced Polymer Materials Group, University Politehnica of Bucharest, Bucharest, 011061, Romania
| | | | - Ştefan Ioan Voicu
- Advanced Polymer Materials Group, University Politehnica of Bucharest, Bucharest, 011061, Romania
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15
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Chemin M, Moreau C, Cathala B, Villares A. Asymmetric modification of cellulose nanocrystals with PAMAM dendrimers for the preparation of pH-responsive hairy surfaces. Carbohydr Polym 2020; 249:116779. [DOI: 10.1016/j.carbpol.2020.116779] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2020] [Revised: 06/02/2020] [Accepted: 07/14/2020] [Indexed: 12/18/2022]
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16
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Self-Assembled Polyester Dendrimer/Cellulose Nanofibril Hydrogels with Extraordinary Antibacterial Activity. Pharmaceutics 2020; 12:pharmaceutics12121139. [PMID: 33255607 PMCID: PMC7761394 DOI: 10.3390/pharmaceutics12121139] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2020] [Revised: 11/19/2020] [Accepted: 11/20/2020] [Indexed: 11/24/2022] Open
Abstract
Cationic dendrimers are intriguing materials that can be used as antibacterial materials; however, they display significant cytotoxicity towards diverse cell lines at high generations or high doses, which limits their applications in biomedical fields. In order to decrease the cytotoxicity, a series of biocompatible hybrid hydrogels based on cationic dendrimers and carboxylated cellulose nanofibrils were easily synthesized by non-covalent self-assembly under physiological conditions without external stimuli. The cationic dendrimers from generation 2 (G2) to generation 4 (G4) based on trimethylolpronane (TMP) and 2,2-bis (methylol)propionic acid (bis-MPA) were synthesized through fluoride promoted esterification chemistry (FPE chemistry). FTIR was used to show the presence of the cationic dendrimers within the hybrid hydrogels, and the distribution of the cationic dendrimers was even verified using elemental analysis of nitrogen content. The hybrid hydrogels formed from G3 and G4 showed 100% killing efficiency towards Escherichia coli (E. coli), Staphylococcus aureus (S. aureus) and Pseudomonas aeruginosa (P. aeruginosa) with bacterial concentrations ranging from 105 CFU/mL to 107 CFU/mL. Remarkably, the hybrid hydrogels also showed good biocompatibility most probably due to the incorporation of the biocompatible CNFs that slowed down the release of the cationic dendrimers from the hybrid hydrogels, hence showing great promise as an antibacterial material for biomedical applications.
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17
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Ingverud T, Erlandsson J, Wågberg L, Malkoch M. Dendritic Polyampholyte-Assisted Formation of Functional Cellulose Nanofibril Materials. Biomacromolecules 2020; 21:2856-2863. [DOI: 10.1021/acs.biomac.0c00573] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Tobias Ingverud
- Division of Coating Technology, Department of Fibre and Polymer Technology, School of Chemistry, Biotechnology and Health, KTH Royal Institute of Technology, SE-100 44 Stockholm, Sweden
- Wallenberg Wood Science Center, Department of Fibre and Polymer Technology, School of Chemistry, Biotechnology and Health, KTH Royal Institute of Technology, SE-100 44 Stockholm, Sweden
| | - Johan Erlandsson
- Division of Fibre Technology, Department of Fibre and Polymer Technology, School of Chemistry, Biotechnology and Health, KTH Royal Institute of Technology, SE-100 44 Stockholm, Sweden
| | - Lars Wågberg
- Wallenberg Wood Science Center, Department of Fibre and Polymer Technology, School of Chemistry, Biotechnology and Health, KTH Royal Institute of Technology, SE-100 44 Stockholm, Sweden
- Division of Fibre Technology, Department of Fibre and Polymer Technology, School of Chemistry, Biotechnology and Health, KTH Royal Institute of Technology, SE-100 44 Stockholm, Sweden
| | - Michael Malkoch
- Division of Coating Technology, Department of Fibre and Polymer Technology, School of Chemistry, Biotechnology and Health, KTH Royal Institute of Technology, SE-100 44 Stockholm, Sweden
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18
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Khine YY, Batchelor R, Raveendran R, Stenzel MH. Photo‐Induced Modification of Nanocellulose: The Design of Self‐Fluorescent Drug Carriers. Macromol Rapid Commun 2019; 41:e1900499. [DOI: 10.1002/marc.201900499] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2019] [Revised: 11/02/2019] [Indexed: 12/13/2022]
Affiliation(s)
- Yee Yee Khine
- Center for Advanced Macromolecular DesignSchool of ChemistryThe University of New South Wales Sydney 2052 Australia
| | - Rhiannon Batchelor
- Center for Advanced Macromolecular DesignSchool of ChemistryThe University of New South Wales Sydney 2052 Australia
| | - Radhika Raveendran
- Center for Advanced Macromolecular DesignSchool of ChemistryThe University of New South Wales Sydney 2052 Australia
| | - Martina H. Stenzel
- Center for Advanced Macromolecular DesignSchool of ChemistryThe University of New South Wales Sydney 2052 Australia
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19
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Oukacine F, Choisnard L, Gèze A, Peyrin E. Capillary electrophoretic apparatus for the endpoint detection in microtitration methods. J Chromatogr A 2019; 1597:220-224. [DOI: 10.1016/j.chroma.2019.03.014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2018] [Revised: 02/19/2019] [Accepted: 03/08/2019] [Indexed: 10/27/2022]
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20
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Kaldéus T, Träger A, Berglund LA, Malmström E, Lo Re G. Molecular Engineering of the Cellulose-Poly(Caprolactone) Bio-Nanocomposite Interface by Reactive Amphiphilic Copolymer Nanoparticles. ACS NANO 2019; 13:6409-6420. [PMID: 31083978 DOI: 10.1021/acsnano.8b08257] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/14/2023]
Abstract
A molecularly engineered water-borne reactive compatibilizer is designed for tuning of the interface in melt-processed thermoplastic poly(caprolactone) (PCL)-cellulose nanocomposites. The mechanical properties of the nanocomposites are studied by tensile testing and dynamic mechanical analysis. The reactive compatibilizer is a statistical copolymer of 2-(dimethylamino)ethyl methacrylate and 2-hydroxy methacrylate, which is subsequently esterified and quaternized. Quaternized ammonium groups in the reactive compatibilizer electrostatically match the negative surface charge of cellulose nanofibrils (CNFs). This results in core-shell CNFs with a thin uniform coating of the compatibilizer. This promotes the dispersion of CNFs in the PCL matrix, as concluded from high-resolution scanning electron microscopy and atomic force microscopy. Moreover, the compatibilizer "shell" has methacrylate functionalities, which allow for radical reactions during processing and links covalently with PCL. Compared to the bio-nanocomposite reference, the reactive compatibilizer (<4 wt %) increased Young's modulus by about 80% and work to fracture 10 times. Doubling the amount of peroxide caused further improved mechanical properties, in support of effects from higher cross-link density at the interface. Further studies of interfacial design in specific nanocellulose-based composite materials are warranted since the detrimental effects from CNFs agglomeration may have been underestimated.
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Affiliation(s)
| | | | | | | | - Giada Lo Re
- Department of Industrial and Materials Science, Division of Engineering Materials , Chalmers University of Technology , Rännvägen 2 , SE-412 96 Gothenburg , Sweden
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21
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Kaldéus T, Telaretti Leggieri MR, Cobo Sanchez C, Malmström E. All-Aqueous SI-ARGET ATRP from Cellulose Nanofibrils Using Hydrophilic and Hydrophobic Monomers. Biomacromolecules 2019; 20:1937-1943. [DOI: 10.1021/acs.biomac.9b00153] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
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22
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Villares A, Moreau C, Cathala B. Star-like Supramolecular Complexes of Reducing-End-Functionalized Cellulose Nanocrystals. ACS OMEGA 2018; 3:16203-16211. [PMID: 31458256 PMCID: PMC6643679 DOI: 10.1021/acsomega.8b02559] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/28/2018] [Accepted: 11/16/2018] [Indexed: 05/27/2023]
Abstract
In this work, we take advantage of the parallel organization of cellulose chains in cellulose I yielding an inherent chemical asymmetry of cellulose nanocrystals, i.e., reducing vs nonreducing end, to selectively modify only one end of these rigid rodlike crystals to be used as a linking point for the formation of supramolecular structures. We have prepared biotin-functionalized tunicate cellulose nanocrystals at the reducing end capable of forming new complex supramolecular hierarchies by the addition of the protein streptavidin. Biotin-streptavidin coupling was chosen because streptavidin has a multivalency of four and the biotin-streptavidin bond is known to be highly selective and stable. Hence, streptavidin molecules would link up to four cellulose nanocrystals through their biotin-modified reducing end. Two biotin derivatives were studied, consisting of an anchoring group, i.e., amine or hydrazine; the biotin moiety; and the linker between them. Results show that the length of the linker significantly affects the bond between the biotinylated cellulose nanocrystals and streptavidin, and a certain chain length is necessary for the supramolecular assembly of several cellulose nanocrystals by streptavidin.
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Affiliation(s)
- Ana Villares
- INRA, UR1268 Biopolymères
Interactions Assemblages, Rue de la Géraudière, 44316 Nantes, France
| | - Céline Moreau
- INRA, UR1268 Biopolymères
Interactions Assemblages, Rue de la Géraudière, 44316 Nantes, France
| | - Bernard Cathala
- INRA, UR1268 Biopolymères
Interactions Assemblages, Rue de la Géraudière, 44316 Nantes, France
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23
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de Lima GF, de Souza AG, Rosa DS. Effect of adsorption of polyethylene glycol (PEG), in aqueous media, to improve cellulose nanostructures stability. J Mol Liq 2018. [DOI: 10.1016/j.molliq.2018.07.080] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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24
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Khine YY, Ganda S, Stenzel MH. Covalent Tethering of Temperature Responsive pNIPAm onto TEMPO-Oxidized Cellulose Nanofibrils via Three-Component Passerini Reaction. ACS Macro Lett 2018; 7:412-418. [PMID: 35619354 DOI: 10.1021/acsmacrolett.8b00051] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
A critical challenge in the application of functional cellulose fibrils is to perform efficient surface modification without disrupting the original properties. Three-component Passerini reaction (Passerini 3-CR) is regarded as an effective functionalization approach which can be carried out under mild and fast reaction condition. In this study, we investigated the application of Passerini 3-CR for the synthesis of thermoresponsive cellulose fibrils by covalently tethering poly(N-isopropylacrylamide) in aqueous condition at ambient temperature. The three components, a TEMPO-oxidized cellulose nanofiber bearing carboxylic acid moieties (TOCN-COOH), a functionalized polymer with aldehyde group (pNIPAm-COH) and a cyclohexyl isocyanide, were reacted in one pot resulting in 36% of grafting efficiency within 30 min. The chemical coupling was evidenced by improved aqueous dispersibility, which was further confirmed by FT-IR, TGA, UV-vis, and turbidity study. It was observed that the grafting efficiency is strongly dependent on the chain length of the polymer. Furthermore, AFM and X-ray diffraction measurements affirmed the suitability of the proposed method for chemical modification of cellulose nanofibers without significantly compromising the original morphology and structural integrity.
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Affiliation(s)
- Yee Yee Khine
- Center for Advanced Macromolecular Design, School of Chemistry, The University of New South Wales, Sydney, Australia
| | - Sylvia Ganda
- Center for Advanced Macromolecular Design, School of Chemistry, The University of New South Wales, Sydney, Australia
| | - Martina H. Stenzel
- Center for Advanced Macromolecular Design, School of Chemistry, The University of New South Wales, Sydney, Australia
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