101
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Cationic Lignocellulose Nanofibers from Agricultural Waste as High-Performing Adsorbents for the Removal of Dissolved and Colloidal Substances. Polymers (Basel) 2022; 14:polym14050910. [PMID: 35267733 PMCID: PMC8912664 DOI: 10.3390/polym14050910] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2022] [Revised: 02/19/2022] [Accepted: 02/22/2022] [Indexed: 02/04/2023] Open
Abstract
The accumulation of dissolved and colloidal substances (DCS) in the increasingly closed paper circulating water system can seriously lower the productivity and safety of papermaking machines, and it has been a challenge to develop an adsorbent with low cost, high adsorption efficiency and large adsorption capacity for DCS removal. In this study, cationic lignocellulose nanofibers (CLCNF) were obtained by cationic modification of agricultural waste bagasse in deep eutectic solvents (DES) followed by mechanical defibrillation, and then CLCNF were employed as an adsorbent for DCS model contaminant polygalacturonic acid (PGA) removal. CLCNF was characterized by transmission electron microscopy, Fourier transform infrared, elemental analysis, X-ray diffraction, and thermogravimetric analysis. The analytical results confirmed the successful preparation of CLCNF with 4.6–7.9 nm diameters and 0.97–1.76 mmol/g quaternary ammonium groups. The effects of quaternary ammonium group contents, pH, contact time and initial concentration of PGA on the adsorption were investigated in a batch adsorption study. According to the results, the cationic modification significantly enhanced the adsorption of PGA by CLCNF and the adsorption performance increased with the increase of the quaternary ammonium group contents. The adsorption of PGA on CLCNF followed the pseudo-second-order and the fitted Langmuir isotherm model. The adsorption showed fast initial kinetics and the experimental maximum adsorption capacity was 1054 mg/g, which is much higher than PGA adsorbents previously reported in the literature. Therefore, CLCNF with high cationic group content developed in this paper is a promising adsorbent for DCS removal.
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102
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Composite Films of Nanofibrillated Cellulose with Sepiolite: Effect of Preparation Strategy. COATINGS 2022. [DOI: 10.3390/coatings12030303] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
Cellulose nanofibrils (CNFs) are nanomaterials with promising properties to be used in food packaging and printed electronics, thus being logical substitutes to petroleum-based polymers, specifically plastics. CNFs can be combined with other materials, such as clay minerals, to form composites, which are environmentally friendly materials, with acceptable costs and without compromising the final properties of the composite material. To produce composite films, two strategies can be used: solvent casting and filtration followed by hot pressing. The first approach is the simplest way to produce films, but the obtained films may present some limitations. In the present work, CNFs produced using enzymatic or TEMPO (2,2,6,6-tetramethylpiperidine-1-oxyl radical) oxidation pretreatments, followed by high-pressure homogenization, or only by mechanical treatment (homogenization), were used to produce films by both the available procedures. The films obtained by filtration + hot pressing presented higher tensile strength and Young’s modulus compared with those obtained by solvent casting. In general, a decrease in the values of these mechanical properties of the films and a decrease in elongation at break, with the addition of sepiolite, were also observed. However, for the TEMPO CNF-based films, an improvement in tensile strength could be observed for 10% of the sepiolite content. Furthermore, the time necessary to produce films was largely reduced by employing the filtration procedure. Finally, the water vapour barrier properties of the films obtained by filtration are comparable to the literature values of net CNF films. Thus, this technique demonstrates to be the most suitable to produce CNF-based composite films in a fast way and with improved mechanical properties and suitable gas barrier properties.
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103
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Yang H, Edberg J, Gueskine V, Vagin M, Say MG, Erlandsson J, Wågberg L, Engquist I, Berggren M. The effect of crosslinking on ion transport in nanocellulose-based membranes. Carbohydr Polym 2022; 278:118938. [PMID: 34973756 DOI: 10.1016/j.carbpol.2021.118938] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2021] [Revised: 11/08/2021] [Accepted: 11/22/2021] [Indexed: 11/02/2022]
Abstract
Ion selective membranes are at the heart of energy conversion and harvesting, water treatment, and biotechnologies. The currently available membranes are mostly based on expensive and non-biodegradable polymers. Here, we report a cation-selective and low-cost membrane prepared from renewable nanocellulose and 1,2,3,4-butanetetracarboxylic acid which simultaneously serves as crosslinker and source of anionic surface groups. Charge density and structure of the membranes are studied. By using different degrees of crosslinking, simultaneous control over both the nanochannel structure and surface charge concentration is achieved, which in turn determines the resulting ion transport properties. Increasing negative charge concentration via higher crosslinker content, the obtained ion conductivity reaches up to 8 mS/cm (0.1 M KCl). Optimal ion selectivity, also influenced by the solution pH, is achieved at 20 wt% crosslinker addition (with ion conductivity of 1.6 mS/cm). As regular ~1.4 nm nanochannels were formed at this composition, nanofluidic contribution to ion transport is likely.
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Affiliation(s)
- Hongli Yang
- Laboratory of Organic Electronics, Department of Science and Technology, Linköping University, SE-601 74 Norrköping, Sweden
| | - Jesper Edberg
- RISE Research Institutes of Sweden, Bio- and Organic Electronics, Bredgatan 33, SE-602 21 Norrköping, Sweden
| | - Viktor Gueskine
- Laboratory of Organic Electronics, Department of Science and Technology, Linköping University, SE-601 74 Norrköping, Sweden
| | - Mikhail Vagin
- Laboratory of Organic Electronics, Department of Science and Technology, Linköping University, SE-601 74 Norrköping, Sweden
| | - Mehmet Girayhan Say
- Laboratory of Organic Electronics, Department of Science and Technology, Linköping University, SE-601 74 Norrköping, 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
- 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; Wallenberg Wood Science Centre, Department of Fibre and Polymer Technology, School of Chemistry, Biotechnology and Health, KTH Royal Institute of Technology, SE-100 44 Stockholm, Sweden
| | - Isak Engquist
- Laboratory of Organic Electronics, Department of Science and Technology, Linköping University, SE-601 74 Norrköping, Sweden; Wallenberg Wood Science Centre, Department of Science and Technology, Linköping University, SE-601 74 Norrköping, Sweden.
| | - Magnus Berggren
- Laboratory of Organic Electronics, Department of Science and Technology, Linköping University, SE-601 74 Norrköping, Sweden; Wallenberg Wood Science Centre, Department of Science and Technology, Linköping University, SE-601 74 Norrköping, Sweden
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104
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Al Jitan S, Scurria A, Albanese L, Pagliaro M, Meneguzzo F, Zabini F, Al Sakkaf R, Yusuf A, Palmisano G, Ciriminna R. Micronized cellulose from citrus processing waste using water and electricity only. Int J Biol Macromol 2022; 204:587-592. [PMID: 35157905 DOI: 10.1016/j.ijbiomac.2022.02.042] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2021] [Revised: 02/03/2022] [Accepted: 02/08/2022] [Indexed: 01/25/2023]
Abstract
Along with a water-soluble fraction rich in pectin, the hydrodynamic cavitation of citrus processing waste carried out in water demonstrated directly on semi-industrial scale affords an insoluble fraction consisting of micronized cellulose of low crystallinity ("CytroCell"). Lemon and grapefruit CytroCell respectively consist of 100-500 nm wide cellulose nanorods, and of 500-1000 nm wide ramified microfibrils extending for several μm. These findings establish a technically viable route to low crystallinity micronized cellulose laying in between nano- and microcellulose, using water and electricity only.
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Affiliation(s)
- Samar Al Jitan
- Department of Chemical Engineering, Center for Membranes and Advanced Water Technology, Research and Innovation Center on CO2 and Hydrogen, Khalifa University of Science and Technology, P.O. Box 127788, Abu Dhabi, United Arab Emirates
| | - Antonino Scurria
- Istituto per lo Studio dei Materiali Nanostrutturati, CNR, via U. La Malfa 153, 90146 Palermo, Italy
| | - Lorenzo Albanese
- Istituto per la Bioeconomia, CNR, via Madonna del Piano 10, 50019 Sesto Fiorentino (FI), Italy
| | - Mario Pagliaro
- Istituto per lo Studio dei Materiali Nanostrutturati, CNR, via U. La Malfa 153, 90146 Palermo, Italy
| | - Francesco Meneguzzo
- Istituto per la Bioeconomia, CNR, via Madonna del Piano 10, 50019 Sesto Fiorentino (FI), Italy
| | - Federica Zabini
- Istituto per la Bioeconomia, CNR, via Madonna del Piano 10, 50019 Sesto Fiorentino (FI), Italy
| | - Reem Al Sakkaf
- Department of Chemical Engineering, Center for Membranes and Advanced Water Technology, Research and Innovation Center on CO2 and Hydrogen, Khalifa University of Science and Technology, P.O. Box 127788, Abu Dhabi, United Arab Emirates
| | - Ahmed Yusuf
- Department of Chemical Engineering, Center for Membranes and Advanced Water Technology, Research and Innovation Center on CO2 and Hydrogen, Khalifa University of Science and Technology, P.O. Box 127788, Abu Dhabi, United Arab Emirates
| | - Giovanni Palmisano
- Department of Chemical Engineering, Center for Membranes and Advanced Water Technology, Research and Innovation Center on CO2 and Hydrogen, Khalifa University of Science and Technology, P.O. Box 127788, Abu Dhabi, United Arab Emirates.
| | - Rosaria Ciriminna
- Istituto per lo Studio dei Materiali Nanostrutturati, CNR, via U. La Malfa 153, 90146 Palermo, Italy.
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105
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Redlinger-Pohn JD, Petkovšek M, Gordeyeva K, Zupanc M, Gordeeva A, Zhang Q, Dular M, Söderberg LD. Cavitation Fibrillation of Cellulose Fiber. Biomacromolecules 2022; 23:847-862. [PMID: 35099936 PMCID: PMC8924874 DOI: 10.1021/acs.biomac.1c01309] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Cellulose fibrils are the structural backbone of plants and, if carefully liberated from biomass, a promising building block for a bio-based society. The mechanism of the mechanical release─fibrillation─is not yet understood, which hinders efficient production with the required reliable quality. One promising process for fine fibrillation and total fibrillation of cellulose is cavitation. In this study, we investigate the cavitation treatment of dissolving, enzymatically pretreated, and derivatized (TEMPO oxidized and carboxymethylated) cellulose fiber pulp by hydrodynamic and acoustic (i.e., sonication) cavitation. The derivatized fibers exhibited significant damage from the cavitation treatment, and sonication efficiently fibrillated the fibers into nanocellulose with an elementary fibril thickness. The breakage of cellulose fibers and fibrils depends on the number of cavitation treatment events. In assessing the damage to the fiber, we presume that microstreaming in the vicinity of imploding cavities breaks the fiber into fibrils, most likely by bending. A simple model showed the correlation between the fibrillation of the carboxymethylated cellulose (CMCe) fibers, the sonication power and time, and the relative size of the active zone below the sonication horn.
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Affiliation(s)
- Jakob D Redlinger-Pohn
- Department of Fibre and Polymer Technology, KTH Royal Institute of Technology, Teknikringen 56-58, 114 28 Stockholm, Sweden.,Treesearch, Teknikringen 38a, 114 28 Stockholm, Sweden
| | - Martin Petkovšek
- Laboratory for Water and Turbine Machines, Faculty of Mechanical Engineering, University of Ljubljana, Aškerčeva 6, 1000 Ljubljana, Slovenia
| | - Korneliya Gordeyeva
- Department of Fibre and Polymer Technology, KTH Royal Institute of Technology, Teknikringen 56-58, 114 28 Stockholm, Sweden
| | - Mojca Zupanc
- Laboratory for Water and Turbine Machines, Faculty of Mechanical Engineering, University of Ljubljana, Aškerčeva 6, 1000 Ljubljana, Slovenia
| | - Alisa Gordeeva
- Department of Materials and Environmental Chemistry, Stockholm University, Svante Arrhenius väg 16 C, 114 18 Stockholm, Sweden
| | - Qilun Zhang
- Laboratory of Organic Electronics, Linköping University, Campus Calla, Olaus Magnus väg 37, 583 30 Linköping, Sweden
| | - Matevž Dular
- Laboratory for Water and Turbine Machines, Faculty of Mechanical Engineering, University of Ljubljana, Aškerčeva 6, 1000 Ljubljana, Slovenia
| | - L Daniel Söderberg
- Department of Fibre and Polymer Technology, KTH Royal Institute of Technology, Teknikringen 56-58, 114 28 Stockholm, Sweden.,Treesearch, Teknikringen 38a, 114 28 Stockholm, Sweden
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106
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Combination of Polysaccharide Nanofibers Derived from Cellulose and Chitin Promotes the Adhesion, Migration and Proliferation of Mouse Fibroblast Cells. NANOMATERIALS 2022; 12:nano12030402. [PMID: 35159746 PMCID: PMC8840717 DOI: 10.3390/nano12030402] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/27/2021] [Revised: 01/19/2022] [Accepted: 01/21/2022] [Indexed: 12/29/2022]
Abstract
Extracellular matrix (ECM) as a structural and biochemical scaffold to surrounding cells plays significant roles in cell adhesion, migration, proliferation and differentiation. Herein, we show the novel combination of TEMPO-oxidized cellulose nanofiber (TOCNF) and surface-N-deacetylated chitin nanofiber (SDCtNF), respectively, having carboxylate and amine groups on each crystalline surface, for mouse fibroblast cell culture. The TOCNF/SDCtNF composite scaffolds demonstrated characteristic cellular behavior, strongly depending on the molar ratios of carboxylates and amines of polysaccharide NFs. Pure TOCNF substrate exhibited good cell attachment, although intact carboxylate-free CNF made no contribution to cell adhesion. By contrast, pure SDCtNF induced crucial cell aggregation to form spheroids; nevertheless, the combination of TOCNF and SDCtNF enhanced cell attachment and subsequent proliferation. Molecular blend of carboxymethylcellulose and acid-soluble chitosan made nearly no contribution to cell culture behavior. The wound healing assay revealed that the polysaccharide combination markedly promoted skin repair for wound healing. Both of TOCNF and SDCtNF possessed rigid nanofiber nanoarchitectures with native crystalline forms and regularly-repeated functional groups, of which such structural characteristics would provide a potential for developing cell culture scaffolds having ECM functions, possibly promoting good cellular adhesion, migration and growth in the designated cellular microenvironments.
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107
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Fei Y, Wang X, Yuan M, Liang M, Chen Y, Zou H. Co Nanoparticles Encapsulated in Carbon Nanotubes Decorated Carbon Aerogels Toward Excellent Microwave Absorption. Ind Eng Chem Res 2022. [DOI: 10.1021/acs.iecr.1c03585] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Yang Fei
- The State Key Laboratory of Polymer Materials Engineering, Polymer Research Institute of Sichuan University, Chengdu 610065, China
| | - Xiaoyan Wang
- Chongqing Key Laboratory for Advanced Materials and Technologies of Clean Energies, Chongqing 400715, China
| | - Mushan Yuan
- The State Key Laboratory of Polymer Materials Engineering, Polymer Research Institute of Sichuan University, Chengdu 610065, China
| | - Mei Liang
- The State Key Laboratory of Polymer Materials Engineering, Polymer Research Institute of Sichuan University, Chengdu 610065, China
| | - Yang Chen
- The State Key Laboratory of Polymer Materials Engineering, Polymer Research Institute of Sichuan University, Chengdu 610065, China
| | - Huawei Zou
- The State Key Laboratory of Polymer Materials Engineering, Polymer Research Institute of Sichuan University, Chengdu 610065, China
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108
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Cellulose–metal organic frameworks (CelloMOFs) hybrid materials and their multifaceted Applications: A review. Coord Chem Rev 2022. [DOI: 10.1016/j.ccr.2021.214263] [Citation(s) in RCA: 65] [Impact Index Per Article: 32.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
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109
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A comprehensive study on preparation of nanocellulose from bleached wood pulps by TEMPO-mediated oxidation. RESULTS IN CHEMISTRY 2022. [DOI: 10.1016/j.rechem.2022.100540] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022] Open
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110
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Guo M, Hsieh YL. One-pot synthesis of 2-bromopropionyl esterified cellulose nanofibrils as hydrophobic coating and film. RSC Adv 2022; 12:15070-15082. [PMID: 35702441 PMCID: PMC9112886 DOI: 10.1039/d2ra00722c] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2022] [Accepted: 05/01/2022] [Indexed: 12/11/2022] Open
Abstract
Bromo-esterified cellulose nanofibrils have been one-pot synthesized by direct heterogeneous 2-bromopropionyl esterification and in situ ultra-sonication to serve as versatile hydrophobic nm thick coating or 100 μm thick film.
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Affiliation(s)
- Mengzhe Guo
- Department of Biological and Agricultural Engineering, University of California, Davis, California, 95616, USA
| | - You-Lo Hsieh
- Department of Biological and Agricultural Engineering, University of California, Davis, California, 95616, USA
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111
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Ibarra D, Martín-Sampedro R, Wicklein B, Borrero-López AM, Valencia C, Valdehíta A, Navas JM, Eugenio ME. Populus alba L., an Autochthonous Species of Spain: A Source for Cellulose Nanofibers by Chemical Pretreatment. Polymers (Basel) 2021; 14:polym14010068. [PMID: 35012091 PMCID: PMC8747510 DOI: 10.3390/polym14010068] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2021] [Revised: 12/19/2021] [Accepted: 12/22/2021] [Indexed: 12/31/2022] Open
Abstract
In order to identify new sustainable sources for producing cellulose nanofibers (CNFs), fast-growing poplar (Populus alba L.) wood was evaluated herein. For that purpose, bleached poplar kraft pulp was produced and submitted to TEMPO (2,2,6,6-tetramethylpiperidine-1-oxyl radical) mediated oxidation (TEMPO-ox) chemical pretreatment followed by microfluidization. The resulting CNFs were thoroughly characterized, including a rheological study at different pH values. Poplar CNFs showed properties comparable to eucalypt CNFs (reference material for CNFs production), showing high carboxylate content (1048 ± 128 µmol g−1), fibrillation yield (87.3% ± 8.1%), optical transmittance (83% at 700 nm) and thermal stability (up to more than 200 °C). Regarding the rheological study, whereas pH from 4 to 10 did not produce significant changes in rheological behavior, a reduction of pH down to 1 led to an order-of-magnitude increase on the viscoelastic functions. Therefore, poplar CNF shows potential in the pH-sensitive hydrogels application field. Finally, the possible ecotoxicity of poplar CNF was assessed. The decrease in cell viability was very low so that only concentrations causing a 10% cytotoxicity could be calculated for the assay detecting alterations in cell metabolism (10 µg mL−1) and plasma membrane integrity (60 µg mL−1).
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Affiliation(s)
- David Ibarra
- Forest Research Center (INIA, CSIC), Ctra. de la Coruña Km 7.5, 28040 Madrid, Spain; (D.I.); (R.M.-S.)
| | - Raquel Martín-Sampedro
- Forest Research Center (INIA, CSIC), Ctra. de la Coruña Km 7.5, 28040 Madrid, Spain; (D.I.); (R.M.-S.)
| | - Bernd Wicklein
- Materials Science Institute of Madrid (ICMM), Consejo Superior de Investigaciones Científicas (CSIC), Sor Juana Inés de la Cruz 3, 28049 Madrid, Spain;
| | - Antonio M. Borrero-López
- Pro2TecS—Chemical Process and Product Technology Research Centre, Departamento de Ingeniería Química, ETSI, Campus de “El Carmen”, Universidad de Huelva, 21071 Huelva, Spain; (A.M.B.-L.); (C.V.)
| | - Concepción Valencia
- Pro2TecS—Chemical Process and Product Technology Research Centre, Departamento de Ingeniería Química, ETSI, Campus de “El Carmen”, Universidad de Huelva, 21071 Huelva, Spain; (A.M.B.-L.); (C.V.)
| | - Ana Valdehíta
- Environment and Agronomy Department (INIA, CSIC), Ctra. de la Coruña Km 7.5, 28040 Madrid, Spain; (A.V.); (J.M.N.)
| | - José M. Navas
- Environment and Agronomy Department (INIA, CSIC), Ctra. de la Coruña Km 7.5, 28040 Madrid, Spain; (A.V.); (J.M.N.)
| | - María E. Eugenio
- Forest Research Center (INIA, CSIC), Ctra. de la Coruña Km 7.5, 28040 Madrid, Spain; (D.I.); (R.M.-S.)
- Correspondence: ; Tel.: +34-913473948
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112
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Zhang Z, Sèbe G, Hou Y, Wang J, Huang J, Zhou G. Grafting polymers from cellulose nanocrystals via surface‐initiated atom transfer radical polymerization. J Appl Polym Sci 2021. [DOI: 10.1002/app.51458] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Affiliation(s)
- 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 China
- Guangdong Provincial Key Laboratory of Optical Information Materials and Technology, Institute of Electronic Paper Displays, South China Academy of Advanced Optoelectronics South China Normal University Guangzhou China
| | - Gilles Sèbe
- Laboratoire de Chimie des Polymères Organiques University of Bordeaux, CNRS, Bordeaux INP Pessac France
| | - Yelin Hou
- Laboratoire de Chimie des Polymères Organiques University of Bordeaux, CNRS, Bordeaux INP Pessac France
| | | | - Jin Huang
- School of Chemistry and Chemical Engineering, Chongqing Key Laboratory of Soft‐Matter Material Chemistry and Function Manufacturing, and “the Belt and Road” International Joint Research Laboratory of Sustainable Materials Southwest University Chongqing China
- School of Chemistry and Chemical Engineering, and Engineering Research Center of Materials‐Oriented Chemical Engineering of Xinjiang Bintuan Shihezi University Shihezi China
| | - Guofu Zhou
- SCNU‐TUE Joint Lab of Device Integrated Responsive Materials (DIRM), National Center for International Research on Green Optoelectronics South China Normal University Guangzhou China
- Guangdong Provincial Key Laboratory of Optical Information Materials and Technology, Institute of Electronic Paper Displays, South China Academy of Advanced Optoelectronics South China Normal University Guangzhou China
- Shenzhen Guohua Optoelectronics Tech. Co. Ltd. Shenzhen China
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113
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Zhao M, Fujisawa S, Saito T. Distribution and Quantification of Diverse Functional Groups on Phosphorylated Nanocellulose Surfaces. Biomacromolecules 2021; 22:5214-5222. [PMID: 34855397 DOI: 10.1021/acs.biomac.1c01143] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Phosphorylated cellulose nanofiber (CNF) is attracting attention as a newly emerged CNF with high functionality. However, many structural aspects of phosphorylated CNF remain unclear. In this study, we investigated the chemical structures and distribution of ionic functional groups on the phosphorylated CNF surfaces via liquid-state nuclear magnetic resonance measurements of colloidal dispersion. In addition to the monophosphate group, polyphosphate groups and cross-linked phosphate groups were introduced in the phosphorylated CNFs. The proportion of polyphosphate groups increased as the phosphorylation time increased, reaching ∼30% of all phosphate groups. Only a small amount of cross-linked phosphate groups existed in the phosphorylated CNF after a prolonged reaction time. Furthermore, phosphorylation of cellulose using urea and phosphoric acid was found to be regioselective at the C2 and C6 positions. There existed no significant difference between the surface degrees of substitution at the C2 and C6 positions of the phosphorylated CNFs.
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Affiliation(s)
- Mengchen Zhao
- CNF R&D Center, Innovation Promotion Division, Oji Holdings Corporation, 1-10-6 Shinonome, Koto-ku, Tokyo 135-8558, Japan.,Department of Biomaterial Sciences, Graduate School of Agricultural and Life Sciences, The University of Tokyo, 1-1-1 Yayoi, Bunkyo-ku, Tokyo 113-8657, Japan
| | - Shuji Fujisawa
- Department of Biomaterial Sciences, Graduate School of Agricultural and Life Sciences, The University of Tokyo, 1-1-1 Yayoi, Bunkyo-ku, Tokyo 113-8657, Japan
| | - Tsuguyuki Saito
- Department of Biomaterial Sciences, Graduate School of Agricultural and Life Sciences, The University of Tokyo, 1-1-1 Yayoi, Bunkyo-ku, Tokyo 113-8657, Japan
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114
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Comparing rheological, tribological and sensory properties of microfibrillated cellulose dispersions and xanthan gum solutions. Food Hydrocoll 2021. [DOI: 10.1016/j.foodhyd.2021.107052] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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115
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Xu CA, Lu M, Wu K, Shi J. Functionalization of nano-cellulose by coupling agent with green strategy. INORG CHEM COMMUN 2021. [DOI: 10.1016/j.inoche.2021.108939] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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116
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Utilization of bio-polymeric additives for a sustainable production strategy in pulp and paper manufacturing: A comprehensive review. CARBOHYDRATE POLYMER TECHNOLOGIES AND APPLICATIONS 2021. [DOI: 10.1016/j.carpta.2021.100050] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023] Open
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117
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Tardy BL, Mattos BD, Otoni CG, Beaumont M, Majoinen J, Kämäräinen T, Rojas OJ. Deconstruction and Reassembly of Renewable Polymers and Biocolloids into Next Generation Structured Materials. Chem Rev 2021; 121:14088-14188. [PMID: 34415732 PMCID: PMC8630709 DOI: 10.1021/acs.chemrev.0c01333] [Citation(s) in RCA: 71] [Impact Index Per Article: 23.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2020] [Indexed: 12/12/2022]
Abstract
This review considers the most recent developments in supramolecular and supraparticle structures obtained from natural, renewable biopolymers as well as their disassembly and reassembly into engineered materials. We introduce the main interactions that control bottom-up synthesis and top-down design at different length scales, highlighting the promise of natural biopolymers and associated building blocks. The latter have become main actors in the recent surge of the scientific and patent literature related to the subject. Such developments make prominent use of multicomponent and hierarchical polymeric assemblies and structures that contain polysaccharides (cellulose, chitin, and others), polyphenols (lignins, tannins), and proteins (soy, whey, silk, and other proteins). We offer a comprehensive discussion about the interactions that exist in their native architectures (including multicomponent and composite forms), the chemical modification of polysaccharides and their deconstruction into high axial aspect nanofibers and nanorods. We reflect on the availability and suitability of the latter types of building blocks to enable superstructures and colloidal associations. As far as processing, we describe the most relevant transitions, from the solution to the gel state and the routes that can be used to arrive to consolidated materials with prescribed properties. We highlight the implementation of supramolecular and superstructures in different technological fields that exploit the synergies exhibited by renewable polymers and biocolloids integrated in structured materials.
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Affiliation(s)
- Blaise L. Tardy
- Department
of Bioproducts and Biosystems, School of Chemical Engineering, Aalto University, P.O. Box 16300, FI-00076 Aalto, Finland
| | - Bruno D. Mattos
- Department
of Bioproducts and Biosystems, School of Chemical Engineering, Aalto University, P.O. Box 16300, FI-00076 Aalto, Finland
| | - Caio G. Otoni
- Department
of Physical Chemistry, Institute of Chemistry, University of Campinas, P.O. Box 6154, Campinas, São Paulo 13083-970, Brazil
- Department
of Materials Engineering, Federal University
of São Carlos, Rod. Washington Luís, km 235, São
Carlos, São Paulo 13565-905, Brazil
| | - Marco Beaumont
- School
of Chemistry and Physics, Queensland University
of Technology, 2 George
Street, Brisbane, Queensland 4001, Australia
- Department
of Chemistry, Institute of Chemistry of Renewable Resources, University of Natural Resources and Life Sciences, Vienna, A-3430 Tulln, Austria
| | - Johanna Majoinen
- Department
of Bioproducts and Biosystems, School of Chemical Engineering, Aalto University, P.O. Box 16300, FI-00076 Aalto, Finland
| | - Tero Kämäräinen
- Department
of Bioproducts and Biosystems, School of Chemical Engineering, Aalto University, P.O. Box 16300, FI-00076 Aalto, Finland
| | - Orlando J. Rojas
- Department
of Bioproducts and Biosystems, School of Chemical Engineering, Aalto University, P.O. Box 16300, FI-00076 Aalto, Finland
- Bioproducts
Institute, Department of Chemical and Biological Engineering, Department
of Chemistry and Department of Wood Science, University of British Columbia, 2360 East Mall, Vancouver, British Columbia V6T 1Z4, Canada
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118
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Nanocellulose Xerogel as Template for Transparent, Thick, Flame-Retardant Polymer Nanocomposites. NANOMATERIALS 2021; 11:nano11113032. [PMID: 34835797 PMCID: PMC8619435 DOI: 10.3390/nano11113032] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/21/2021] [Revised: 11/04/2021] [Accepted: 11/09/2021] [Indexed: 11/17/2022]
Abstract
Cellulose nanofibers (CNFs) have excellent properties, such as high strength, high specific surface areas (SSA), and low coefficients of thermal expansion (CTE), making them a promising candidate for bio-based reinforcing fillers of polymers. A challenge in the field of CNF-reinforced composite research is to produce strong and transparent CNF/polymer composites that are sufficiently thick for use as load-bearing structural materials. In this study, we successfully prepared millimeter-thick, transparent CNF/polymer composites using CNF xerogels, with high porosity (~70%) and high SSA (~350 m2 g−1), as a template for monomer impregnation. A methacrylate was used as the monomer and was cured by UV irradiation after impregnation into the CNF xerogels. The CNF xerogels effectively reinforced the methacrylate polymer matrix, resulting in an improvement in the flexural modulus (up to 546%) and a reduction in the CTE value (up to 78%) while maintaining the optical transparency of the matrix polymer. Interestingly, the composites exhibited flame retardancy at high CNF loading. These unique features highlight the applicability of CNF xerogels as a reinforcing template for producing multifunctional and load-bearing polymer composites.
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119
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Daicho K, Kobayashi K, Fujisawa S, Saito T. Recovery of the Irreversible Crystallinity of Nanocellulose by Crystallite Fusion: A Strategy for Achieving Efficient Energy Transfers in Sustainable Biopolymer Skeletons*. Angew Chem Int Ed Engl 2021; 60:24630-24636. [PMID: 34490699 PMCID: PMC8596833 DOI: 10.1002/anie.202110032] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2021] [Revised: 08/27/2021] [Indexed: 02/02/2023]
Abstract
Crystallites form a grain boundary or the inter-crystallite interface. A grain boundary is a structural defect that hinders the efficient directional transfer of mechanical stress or thermal phonons in crystal aggregates. We observed that grain boundaries within an aggregate of crystalline cellulose nanofibers (CNFs) were crystallized by enhancing their inter-crystallite interactions; multiple crystallites were coupled into single fusion crystals, without passing through a melting or dissolving state. Accordingly, the lowered crystallinity of CNFs, which has been considered irreversible, was recovered, and the thermal energy transfer in the aggregate was significantly improved. Other nanofibrous crystallites of chitin also showed a similar fusion phenomenon by enhancing the inter-crystallite interactions. Such crystallite fusion may naturally occur in biological structures with network skeletons of aggregated fibrillar crystallites having mechanical or thermal functions.
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Affiliation(s)
- Kazuho Daicho
- Department of Biomaterial SciencesGraduate School of Agricultural and Life SciencesThe University of TokyoYayoi, Bunkyo-kuTokyo113-8657Japan
| | - Kayoko Kobayashi
- Division of Forest and Biomaterials ScienceGraduate School of AgricultureKyoto UniversitySakyo-kuKyoto606-8502Japan
| | - Shuji Fujisawa
- Department of Biomaterial SciencesGraduate School of Agricultural and Life SciencesThe University of TokyoYayoi, Bunkyo-kuTokyo113-8657Japan
| | - Tsuguyuki Saito
- Department of Biomaterial SciencesGraduate School of Agricultural and Life SciencesThe University of TokyoYayoi, Bunkyo-kuTokyo113-8657Japan
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120
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Daicho K, Kobayashi K, Fujisawa S, Saito T. Recovery of the Irreversible Crystallinity of Nanocellulose by Crystallite Fusion: A Strategy for Achieving Efficient Energy Transfers in Sustainable Biopolymer Skeletons**. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202110032] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Kazuho Daicho
- Department of Biomaterial Sciences Graduate School of Agricultural and Life Sciences The University of Tokyo Yayoi, Bunkyo-ku Tokyo 113-8657 Japan
| | - Kayoko Kobayashi
- Division of Forest and Biomaterials Science Graduate School of Agriculture Kyoto University Sakyo-ku Kyoto 606-8502 Japan
| | - Shuji Fujisawa
- Department of Biomaterial Sciences Graduate School of Agricultural and Life Sciences The University of Tokyo Yayoi, Bunkyo-ku Tokyo 113-8657 Japan
| | - Tsuguyuki Saito
- Department of Biomaterial Sciences Graduate School of Agricultural and Life Sciences The University of Tokyo Yayoi, Bunkyo-ku Tokyo 113-8657 Japan
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121
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Toxicological studies and some functional properties of carboxymethylated cellulose nanofibrils as potential food ingredient. Int J Biol Macromol 2021; 190:887-893. [PMID: 34534583 DOI: 10.1016/j.ijbiomac.2021.09.055] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2021] [Revised: 08/30/2021] [Accepted: 09/10/2021] [Indexed: 12/22/2022]
Abstract
Carboxymethylated cellulose nanofibrils (CNF) with different carboxyl contents (0, 0.36, 0.72 and 1.24 mmol/g) were prepared and characterized via morphology, diameter distribution, zeta potential, structural features, rheological properties, suspension stability, and thermal properties. The results of toxicological studies of ingested CNF via in vitro and in vivo models were present. In vitro studies used an epithelial-like cell line (Caco-2) to assess the effects of a 24 h incubation with CNF, in which no significant cytotoxicity was observed. In vivo studies were evaluated in mice gavage once per day for 8 weeks with 1% or 3.5% w/w suspension of CNF in water. Blood and serum were collected for analysis. No significant differences in hematology, and serum markers were observed between controls and mice given CNF suspensions. Weight, food intake and feces were recorded for growing development and nutrient retention in feces was measured for investigation of functional properties of CNFs. Mice given CNF suspensions gained a significant increment in fecal fat but a reduction in food intake and weight compared to controls. These findings suggested that CNFs are non-toxic and have potentials in behaving as food additives or supplements to reduce caloric intake.
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122
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Fabrication of high-performance composite membranes based on hierarchically structured electrospun nanofiber substrates for pervaporation desalination. J Memb Sci 2021. [DOI: 10.1016/j.memsci.2021.119672] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
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123
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Facile and Quantitative Method for Estimating the Isolation Degree of Cellulose Nanocrystals (CNCs) Suspensions. MATERIALS 2021; 14:ma14216463. [PMID: 34771990 PMCID: PMC8585153 DOI: 10.3390/ma14216463] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/26/2021] [Revised: 10/17/2021] [Accepted: 10/19/2021] [Indexed: 12/02/2022]
Abstract
The isolation degree of cellulose nanocrystals (CNCs) suspensions calculated from the amount of sediments obtained with the centrifugation method can be estimated with turbidimetry, surface charge and dispersion analysis of the CNCs suspension. Three different types of raw cellulosic materials were used and carried out with an acid hydrolysis and mechanical disintegration. As the number of high-pressure homogenizer treatments increased, the isolation degree of CNCs from microcrystalline cellulose (MCC) increased from 2.3 to 99.6%, while the absorbencies from turbidimetric measurement of the CNCs suspension decreased, from 2.6 to 0.1 Abs units. Furthermore, the surface charges based on zeta potential measurements of the CNCs suspensions increased from −34.6 to −98.7 mV, but the heights of sediments from the CNCs suspensions were reduced, from 4.01 to 0.07 mm. Similar results were obtained for CNCs from softwood pulp (SWP) and cotton pulp (CP). These results show a direct correlation between yield, turbidity, surface charge and sedimentation of CNCs suspensions. Their correlation indices (0.9) were close to a maximal value of 1. This approach can be suggested as a facile and rapid estimation method for CNCs manufacturing process.
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124
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Saddique A, Cheong IW. Recent advances in three-dimensional bioprinted nanocellulose-based hydrogel scaffolds for biomedical applications. KOREAN J CHEM ENG 2021. [DOI: 10.1007/s11814-021-0926-x] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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125
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Lu Y, Yue Y, Ding Q, Mei C, Xu X, Wu Q, Xiao H, Han J. Self-Recovery, Fatigue-Resistant, and Multifunctional Sensor Assembled by a Nanocellulose/Carbon Nanotube Nanocomplex-Mediated Hydrogel. ACS APPLIED MATERIALS & INTERFACES 2021; 13:50281-50297. [PMID: 34637615 DOI: 10.1021/acsami.1c16828] [Citation(s) in RCA: 58] [Impact Index Per Article: 19.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Flexible sensors have attracted great research interest due to their applications in artificial intelligence, wearable electronics, and personal health management. However, due to the inherent brittleness of common hydrogels, preparing a hydrogel-based sensor integrated with excellent flexibility, self-recovery, and antifatigue properties still remains a challenge to date. In this study, a type of physically and chemically dual-cross-linked conductive hydrogels based on 2,2,6,6-tetramethylpiperidine-1-oxyl (TEMPO)-oxidized cellulose nanofiber (TOCN)-carrying carbon nanotubes (CNTs) and polyacrylamide (PAAM) matrix via a facial one-pot free-radical polymerization is developed for multifunctional wearable sensing application. Inside the hierarchical gel network, TOCNs not only serve as the nanoreinforcement with a toughening effect but also efficiently assist the homogeneous distribution of CNTs in the hydrogel matrix. The optimized TOCN-CNT/PAAM hydrogel integrates high compressive (∼2.55 MPa at 60% strain) and tensile (∼0.15 MPa) strength, excellent intrinsic self-recovery property (recovery efficiency >92%), and antifatigue capacity under both cyclic stretching and pressing. The multifunctional sensors assembled by the hydrogel exhibit both high strain sensitivity (gauge factor ≈11.8 at 100-200% strain) and good pressure sensing ability over a large pressure range (0-140 kPa), which can effectively detect the subtle and large-scale human motions through repeatable and stable electrical signals even after 100 loading-unloading cycles. The comprehensive performance of the TOCN-CNT/PAAM hydrogel-based sensor is superior to those of most gel-based sensors previously reported, indicating its potential applications in multifunctional sensing devices for healthcare systems and human motion monitoring.
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Affiliation(s)
- Ya Lu
- Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, International Innovation Center for Forest Chemicals and Materials, Joint International Research Lab of Lignocellulosic Functional Materials, College of Materials Science and Engineering, Nanjing Forestry University, Nanjing 210037, China
| | - Yiying Yue
- College of Biology and Environment, Nanjing Forestry University, Nanjing 210037, China
| | - Qinqin Ding
- Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, International Innovation Center for Forest Chemicals and Materials, Joint International Research Lab of Lignocellulosic Functional Materials, College of Materials Science and Engineering, Nanjing Forestry University, Nanjing 210037, China
| | - Changtong Mei
- Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, International Innovation Center for Forest Chemicals and Materials, Joint International Research Lab of Lignocellulosic Functional Materials, College of Materials Science and Engineering, Nanjing Forestry University, Nanjing 210037, China
| | - Xinwu Xu
- Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, International Innovation Center for Forest Chemicals and Materials, Joint International Research Lab of Lignocellulosic Functional Materials, College of Materials Science and Engineering, Nanjing Forestry University, Nanjing 210037, China
| | - Qinglin Wu
- School of Renewable Natural Resources, Louisiana State University, Baton Rouge, Louisiana 70803, United States
| | - Huining Xiao
- Chemical Engineering Department, New Brunswick University, Fredericton, New Brunswick E3B 5A3, Canada
| | - Jingquan Han
- Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, International Innovation Center for Forest Chemicals and Materials, Joint International Research Lab of Lignocellulosic Functional Materials, College of Materials Science and Engineering, Nanjing Forestry University, Nanjing 210037, China
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126
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Leppiniemi J, Mutahir Z, Dulebo A, Mikkonen P, Nuopponen M, Turkki P, Hytönen VP. Avidin-Conjugated Nanofibrillar Cellulose Hydrogel Functionalized with Biotinylated Fibronectin and Vitronectin Promotes 3D Culture of Fibroblasts. Biomacromolecules 2021; 22:4122-4137. [PMID: 34542997 DOI: 10.1021/acs.biomac.1c00579] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
The future success of physiologically relevant three-dimensional (3D) cell/tissue models is dependent on the development of functional biomaterials, which can provide a well-defined 3D environment instructing cellular behavior. To establish a platform to produce tailored hydrogels, we conjugated avidin (Avd) to anionic nanofibrillar cellulose (aNFC) and demonstrated the use of the resulting Avd-NFC hydrogel for 3D cell culture, where Avd-NFC allows easy functionalization via biotinylated molecules. Avidin was successfully conjugated to nanocellulose and remained functional, as demonstrated by electrophoresis and titration with fluorescent biotin. Rheological analysis indicated that Avd-NFC retained shear-thinning and gel-forming properties. Topological characterization using AFM revealed the preserved fiber structure and confirmed the binding of biotinylated vitronectin (B-VN) on the fiber surface. The 3D cell culture experiments with mouse embryonic fibroblasts demonstrated the performance of Avd-NFC hydrogels functionalized with biotinylated fibronectin (B-FN) and B-VN. Cells cultured in Avd-NFC hydrogels functionalized with B-FN or B-VN formed matured integrin-mediated adhesions, indicated by phosphorylated focal adhesion kinase. We observed significantly higher cell proliferation rates when biotinylated proteins were bound to the Avd-NFC hydrogel compared to cells cultured in Avd-NFC alone, indicating the importance of the presence of adhesive sites for fibroblasts. The versatile Avd-NFC allows the easy functionalization of hydrogels with virtually any biotinylated molecule and may become widely utilized in 3D cell/tissue culture applications.
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Affiliation(s)
- Jenni Leppiniemi
- Faculty of Medicine and Health Technology and BioMediTech, Tampere University, FI-33014 Tampere, Finland
| | - Zeeshan Mutahir
- Faculty of Medicine and Health Technology and BioMediTech, Tampere University, FI-33014 Tampere, Finland.,School of Biochemistry and Biotechnology, University of the Punjab, 54590 Lahore, Pakistan
| | - Alexander Dulebo
- JPK BioAFM Business, Bruker Nano GmbH, Am Studio 2D, 12489 Berlin, Germany
| | - Piia Mikkonen
- UPM-Kymmene Corporation, Alvar Aallon Katu 1, 00101 Helsinki, Finland
| | - Markus Nuopponen
- UPM-Kymmene Corporation, Alvar Aallon Katu 1, 00101 Helsinki, Finland
| | - Paula Turkki
- Faculty of Medicine and Health Technology and BioMediTech, Tampere University, FI-33014 Tampere, Finland.,Fimlab Laboratories, Biokatu 4, FI-33520 Tampere, Finland
| | - Vesa P Hytönen
- Faculty of Medicine and Health Technology and BioMediTech, Tampere University, FI-33014 Tampere, Finland.,Fimlab Laboratories, Biokatu 4, FI-33520 Tampere, Finland
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127
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Ishikawa G, Tsuji T, Tagawa S, Kondo T. Adsorption of Janus-Type Amphiphilic Cellulose Nanofibrils onto Microspheres of Semicrystalline Polymers. Macromolecules 2021. [DOI: 10.1021/acs.macromol.1c01163] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Gento Ishikawa
- Graduate School of Bioresource and Bioenvironmental Sciences, Kyushu University, West 5th, 744, Motooka, Nishi-ku, Fukuoka 819-0395, Japan
| | - Tsubasa Tsuji
- Graduate School of Bioresource and Bioenvironmental Sciences, Kyushu University, West 5th, 744, Motooka, Nishi-ku, Fukuoka 819-0395, Japan
- Chuetsu Pulp & Paper Co., Ltd., 282, Yonejima, Takaoka, Toyama 933-8533, Japan
| | - Satomi Tagawa
- Graduate School of Bioresource and Bioenvironmental Sciences, Kyushu University, West 5th, 744, Motooka, Nishi-ku, Fukuoka 819-0395, Japan
| | - Tetsuo Kondo
- Graduate School of Bioresource and Bioenvironmental Sciences, Kyushu University, West 5th, 744, Motooka, Nishi-ku, Fukuoka 819-0395, Japan
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128
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Gao C, Wang S, Liu B, Yao S, Dai Y, Zhou L, Qin C, Fatehi P. Sustainable Chitosan-Dialdehyde Cellulose Nanocrystal Film. MATERIALS (BASEL, SWITZERLAND) 2021; 14:5851. [PMID: 34640253 PMCID: PMC8510260 DOI: 10.3390/ma14195851] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/19/2021] [Revised: 09/29/2021] [Accepted: 09/29/2021] [Indexed: 01/20/2023]
Abstract
In this study, we incorporated 2,3-dialdehyde nanocrystalline cellulose (DANC) into chitosan as a reinforcing agent and manufactured biodegradable films with enhanced gas barrier properties. DANC generated via periodate oxidation of cellulose nanocrystal (CNC) was blended at various concentrations with chitosan, and bionanocomposite films were prepared via casting and characterized systematically. The results showed that DANC developed Schiff based bond with chitosan that improved its properties significantly. The addition of DANC dramatically improved the gas barrier performance of the composite film, with water vapor permeability (WVP) value decreasing from 62.94 g·mm·m-2·atm-1·day-1 to 27.97 g·mm·m-2·atm-1·day-1 and oxygen permeability (OP) value decreasing from 0.14 cm3·mm·m-2·day-1·atm-1 to 0.026 cm3·mm·m-2·day-1·atm-1. Meanwhile, the maximum decomposition temperature (Tdmax) of the film increased from 286 °C to 354 °C, and the tensile strength of the film was increased from 23.60 MPa to 41.12 MPa when incorporating 25 wt.% of DANC. In addition, the chitosan/DANC (75/25, wt/wt) films exhibited superior thermal stability, gas barrier, and mechanical strength compared to the chitosan/CNC (75/25, wt/wt) film. These results confirm that the DANC and chitosan induced films with improved gas barrier, mechanical, and thermal properties for possible use in film packaging.
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Affiliation(s)
- Cong Gao
- Department of Light Industrial and Food Engineering, Guangxi University, Nanning 530004, China; (C.G.); (S.W.); (B.L.); (S.Y.)
- Guangxi Key Laboratory of Clean Pulp & Papermaking and Pollution Control, Nanning 530004, China
- Chemical Engineering Department, Lakehead University, Thunder Bay, ON P7B 5E1, Canada;
| | - Shuo Wang
- Department of Light Industrial and Food Engineering, Guangxi University, Nanning 530004, China; (C.G.); (S.W.); (B.L.); (S.Y.)
- Guangxi Key Laboratory of Clean Pulp & Papermaking and Pollution Control, Nanning 530004, China
| | - Baojie Liu
- Department of Light Industrial and Food Engineering, Guangxi University, Nanning 530004, China; (C.G.); (S.W.); (B.L.); (S.Y.)
- Guangxi Key Laboratory of Clean Pulp & Papermaking and Pollution Control, Nanning 530004, China
| | - Shuangquan Yao
- Department of Light Industrial and Food Engineering, Guangxi University, Nanning 530004, China; (C.G.); (S.W.); (B.L.); (S.Y.)
- Guangxi Key Laboratory of Clean Pulp & Papermaking and Pollution Control, Nanning 530004, China
| | - Yi Dai
- School of Chemical Engineering, Guizhou Minzu University, Guiyang 550025, China;
| | - Long Zhou
- Chemical Engineering Department, Lakehead University, Thunder Bay, ON P7B 5E1, Canada;
| | - Chengrong Qin
- Department of Light Industrial and Food Engineering, Guangxi University, Nanning 530004, China; (C.G.); (S.W.); (B.L.); (S.Y.)
- Guangxi Key Laboratory of Clean Pulp & Papermaking and Pollution Control, Nanning 530004, China
| | - Pedram Fatehi
- Chemical Engineering Department, Lakehead University, Thunder Bay, ON P7B 5E1, Canada;
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129
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Chen Y, Hu Y, Chen J, Lu Y, Zhao Z, Akbar AR, Yang Q, Shi Z, Xiong C. Fabrication of porous carbon nanofibril/MnO2 composite aerogels from TEMPO-oxidized cellulose nanofibrils for high-performance supercapacitors. Colloids Surf A Physicochem Eng Asp 2021. [DOI: 10.1016/j.colsurfa.2021.127003] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
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130
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Impact of the Enzyme Charge on the Production and Morphological Features of Cellulose Nanofibrils. Polymers (Basel) 2021; 13:polym13193238. [PMID: 34641054 PMCID: PMC8512821 DOI: 10.3390/polym13193238] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2021] [Revised: 09/18/2021] [Accepted: 09/21/2021] [Indexed: 11/24/2022] Open
Abstract
The available research does not allow specific relationships to be established between the applied enzymatic-mechanical treatment, the degree of polymerization, and the characteristics of the cellulose nanofibrils (CNFs) produced. This work aims to establish specific relationships between the intensity of enzymatic treatment, the degree of polymerization of the cellulose, the morphology of CNFs, and the tensile strength of the CNF films. It is determined that the decrease in the degree of polymerization plays an essential role in the fibrillation processes of the cell wall to produce CNFs and that there is a linear relationship between the degree of polymerization and the length of CNFs, which is independent of the type of enzyme, enzyme charge, and intensity of the applied mechanical treatment. In addition, it is determined that the percentage of the decrease in the degree of polymerization of CNFs due to mechanical treatment is irrespective of the applied enzyme charge. Finally, it is shown that the aspect ratio is a good indicator of the efficiency of the fibrillation process, and is directly related to the mechanical properties of CNF films.
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131
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Beaumont M, Otoni CG, Mattos BD, Koso TV, Abidnejad R, Zhao B, Kondor A, King AWT, Rojas OJ. Regioselective and water-assisted surface esterification of never-dried cellulose: nanofibers with adjustable surface energy. GREEN CHEMISTRY : AN INTERNATIONAL JOURNAL AND GREEN CHEMISTRY RESOURCE : GC 2021; 23:6966-6974. [PMID: 34671224 PMCID: PMC8452180 DOI: 10.1039/d1gc02292j] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/28/2021] [Accepted: 07/29/2021] [Indexed: 05/25/2023]
Abstract
A new regioselective route is introduced for surface modification of biological colloids in the presence of water. Taking the case of cellulose nanofibers (CNFs), we demonstrate a site-specific (93% selective) reaction between the primary surface hydroxyl groups (C6-OH) of cellulose and acyl imidazoles. CNFs bearing C6-acetyl and C6-isobutyryl groups, with a degree of substitution of up to 1 mmol g-1 are obtained upon surface esterification, affording CNFs of adjustable surface energy. The morphological and structural features of the nanofibers remain largely unaffected, but the regioselective surface reactions enable tailoring of their interfacial interactions, as demonstrated in oil/water Pickering emulsions. Our method precludes the need for drying or exchange with organic solvents for surface esterification, otherwise needed in the synthesis of esterified colloids and polysaccharides. Moreover, the method is well suited for application at high-solid content, opening the possibility for implementation in reactive extrusion and compounding. The proposed acylation is introduced as a sustainable approach that benefits from the presence of water and affords a high chemical substitution selectivity.
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Affiliation(s)
- Marco Beaumont
- Department of Chemistry, Institute of Chemistry for Renewable Resources, University of Natural Resources and Life Sciences Vienna (BOKU) Konrad-Lorenz-Straße 24 A-3430 Tulln Austria
- Department of Bioproducts and Biosystems, School of Chemical Engineering, Aalto University P.O. Box 16300 Espoo FI-00076 Finland
| | - Caio G Otoni
- Department of Materials Engineering (DEMa), Federal University of São Carlos (UFSCar) Rod. Washington Luís km 235 São Carlos SP 13565-905 Brazil
| | - Bruno D Mattos
- Department of Bioproducts and Biosystems, School of Chemical Engineering, Aalto University P.O. Box 16300 Espoo FI-00076 Finland
| | - Tetyana V Koso
- Materials Chemistry Division, Department of Chemistry, University of Helsinki AI Virtasen aukio 1 FI-00560 Helsinki Finland
| | - Roozbeh Abidnejad
- Department of Bioproducts and Biosystems, School of Chemical Engineering, Aalto University P.O. Box 16300 Espoo FI-00076 Finland
| | - Bin Zhao
- Department of Bioproducts and Biosystems, School of Chemical Engineering, Aalto University P.O. Box 16300 Espoo FI-00076 Finland
| | - Anett Kondor
- Surface Measurement Systems Ltd. Rosemont Rd Wembley London HA0 4PE UK
| | - Alistair W T King
- Materials Chemistry Division, Department of Chemistry, University of Helsinki AI Virtasen aukio 1 FI-00560 Helsinki Finland
| | - Orlando J Rojas
- Department of Bioproducts and Biosystems, School of Chemical Engineering, Aalto University P.O. Box 16300 Espoo FI-00076 Finland
- Departments of Chemical & Biological Engineering, 2360 East Mall; Chemistry, 2036 Main Mall, and Wood Science, 2424 Main Mall, The University of British Columbia Vancouver BC V6T 1Z3 Canada
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132
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Abstract
Cellulose nanofibrils (CNF) were produced by high-pressure homogenization from kraft pulp in the presence of carboxymethyl cellulose (CMC) of varying molecular weights. CNF pretreated with 250 kD CMC exhibited the maximum specific surface area (SSA) of 641 m2/g, which is comparable to that of CNF pretreated by 2,2,6,6-tetramethyl-piperidinyl-1-oxyl (TEMPO)-meditated oxidation with a high degree of fibrillation. Rheological and microscopic analyses also indicated a high level of fibrillation for the CMC-pretreated CNF. In contrast, the reference CNF without the CMC pretreatment showed a lower level of fibrillation, which was reflected in decreased viscosity and the reduction of SSA by a factor of 19. With the high-degree fibrillation and low toxicity, the CMC pretreatment is a promising method for the production of high-quality CNF in an environmentally friendly way.
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133
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Wang Y, Li Y, Zhang Y, Zhang Z, Li Y, Li W. Nanocellulose aerogel for highly efficient adsorption of uranium (VI) from aqueous solution. Carbohydr Polym 2021; 267:118233. [PMID: 34119185 DOI: 10.1016/j.carbpol.2021.118233] [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: 03/18/2021] [Revised: 04/22/2021] [Accepted: 05/17/2021] [Indexed: 12/30/2022]
Abstract
Cellulose nanofibers (CNFs) aerogel was prepared via simple covalent crosslinking and freeze-drying method. The porous cellulose aerogel possessed high specific surface area and high metal-chelating capacity, which showed fast adsorption kinetics and high adsorption capacity (440.60 mg g-1) in static uranium adsorption process. In the dynamic filtration system, the maximum adsorption capacity reached 194 mg g-1 with the initial concentration of 10 mg L-1. In addition, the CNFs aerogel possessed excellent selectivity and good regeneration ability for uranium adsorption. The integrated analyses of attenuated total reflection Fourier transform infrared (ATR-FTIR), X-Ray photoelectron spectroscopy (XPS) and extended X-ray absorption fine structure (EXAFS) suggested that the predominant UO22+ species formed inner-sphere surface complexes with two active carboxyl groups in the coordination model. This strategy may provide a sustainable route for development of efficient biomass-based adsorbents for selective uranium removal from aqueous solution.
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Affiliation(s)
- Ying Wang
- Key Laboratory of Green Process and Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Yanxiang Li
- Key Laboratory of Green Process and Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, China; University of Chinese Academy of Sciences, Beijing 100049, China.
| | - Yaopeng Zhang
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, Donghua University, Shanghai, China
| | - Zhen Zhang
- SCNU-TUE Joint Lab of Device Integrated Responsive Materials (DIRM), National Center for International Research on Green Optoelectronics, South China Academy of Advanced Optoelectronics, South China Normal University, Guangzhou 510006, China
| | - Yanqing Li
- Key Laboratory of Green Process and Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Wangliang Li
- Key Laboratory of Green Process and Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, China; University of Chinese Academy of Sciences, Beijing 100049, China.
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134
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Wasim M, Shi F, Liu J, Farooq A, Khan SU, Salam A, Hassan T, Zhao X. An overview of Zn/ZnO modified cellulosic nanocomposites and their potential applications. JOURNAL OF POLYMER RESEARCH 2021. [DOI: 10.1007/s10965-021-02689-6] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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135
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Prakash N, Rajeev R, John A, Vijayan A, George L, Varghese A. 2,2,6,6‐Tetramethylpiperidinyloxyl (TEMPO) Radical Mediated Electro‐Oxidation Reactions: A Review. ChemistrySelect 2021. [DOI: 10.1002/slct.202102346] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Affiliation(s)
- Nishitha Prakash
- Department of Chemistry CHRIST (Deemed to be University) Hosur Road Bengaluru 560029 India
| | - Rijo Rajeev
- Department of Chemistry CHRIST (Deemed to be University) Hosur Road Bengaluru 560029 India
| | - Anjali John
- Department of Chemistry CHRIST (Deemed to be University) Hosur Road Bengaluru 560029 India
| | - Ajesh Vijayan
- Department of Chemistry CHRIST (Deemed to be University) Hosur Road Bengaluru 560029 India
| | - Louis George
- Department of Chemistry CHRIST (Deemed to be University) Hosur Road Bengaluru 560029 India
| | - Anitha Varghese
- Department of Chemistry CHRIST (Deemed to be University) Hosur Road Bengaluru 560029 India
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136
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Okara nanocellulose fabricated using combined chemical and mechanical treatments: Structure and properties. J Mol Liq 2021. [DOI: 10.1016/j.molliq.2021.116231] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
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137
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Balahura LR, Dinescu S, Balaș M, Cernencu A, Lungu A, Vlăsceanu GM, Iovu H, Costache M. Cellulose Nanofiber-Based Hydrogels Embedding 5-FU Promote Pyroptosis Activation in Breast Cancer Cells and Support Human Adipose-Derived Stem Cell Proliferation, Opening New Perspectives for Breast Tissue Engineering. Pharmaceutics 2021; 13:pharmaceutics13081189. [PMID: 34452150 PMCID: PMC8400202 DOI: 10.3390/pharmaceutics13081189] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2021] [Revised: 07/27/2021] [Accepted: 07/28/2021] [Indexed: 11/16/2022] Open
Abstract
The structure and biocompatibility analysis of a hydrogel based on cellulose nanofibers (CNFs) combined with alginate/pectin (A.CNF or P.CNF) and enriched with 1% or 5% 5-FU revealed more favorable properties for the cellular component when pectin was dispersed within CNFs. 5-Fluorouracil (5-FU) is an antimetabolite fluoropyrimidine used as antineoplastic drug for the treatment of multiple solid tumors. 5-FU activity leads to caspase-1 activation, secretion and maturation of interleukins (IL)-1, IL-18 and reactive oxygen species (ROS) generation. Furthermore, the effects of embedding 5-FU in P.CNF were explored in order to suppress breast tumor cell growth and induce inflammasome complex activation together with extra- and intracellular ROS generation. Exposure of tumor cells to P.CNF/5-FU resulted in a strong cytotoxic effect, an increased level of caspase-1 released in the culture media and ROS production—the latter directly proportional to the concentration of anti-tumor agent embedded in the scaffolds. Simultaneously, 5-FU determined the increase of p53 and caspase-1 expressions, both at gene and protein levels. In conclusion, P.CNF/5-FU scaffolds proved to be efficient against breast tumor cells growth due to pyroptosis induction. Furthermore, biocompatibility and the potential to support human adipose-derived stem cell growth were demonstrated, suggesting that these 3D systems could be used in soft tissue reconstruction post-mastectomy.
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Affiliation(s)
- Liliana-Roxana Balahura
- Department of Biochemistry and Molecular Biology, University of Bucharest, 050095 Bucharest, Romania; (L.-R.B.); (M.B.); (M.C.)
- Department of Immunology, National Institute for Research and Development in Biomedical Pathology and Biomedical Sciences “Victor Babes”, 050096 Bucharest, Romania
| | - Sorina Dinescu
- Department of Biochemistry and Molecular Biology, University of Bucharest, 050095 Bucharest, Romania; (L.-R.B.); (M.B.); (M.C.)
- Research Institute of University of Bucharest, 050107 Bucharest, Romania
- Correspondence: ; Tel.: +40-724511587
| | - Mihaela Balaș
- Department of Biochemistry and Molecular Biology, University of Bucharest, 050095 Bucharest, Romania; (L.-R.B.); (M.B.); (M.C.)
| | - Alexandra Cernencu
- Advanced Polymer Materials Group, University Politehnica of Bucharest, 011061 Bucharest, Romania; (A.C.); (A.L.); (G.M.V.); (H.I.)
| | - Adriana Lungu
- Advanced Polymer Materials Group, University Politehnica of Bucharest, 011061 Bucharest, Romania; (A.C.); (A.L.); (G.M.V.); (H.I.)
| | - George Mihail Vlăsceanu
- Advanced Polymer Materials Group, University Politehnica of Bucharest, 011061 Bucharest, Romania; (A.C.); (A.L.); (G.M.V.); (H.I.)
| | - Horia Iovu
- Advanced Polymer Materials Group, University Politehnica of Bucharest, 011061 Bucharest, Romania; (A.C.); (A.L.); (G.M.V.); (H.I.)
| | - Marieta Costache
- Department of Biochemistry and Molecular Biology, University of Bucharest, 050095 Bucharest, Romania; (L.-R.B.); (M.B.); (M.C.)
- Research Institute of University of Bucharest, 050107 Bucharest, Romania
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138
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Production of Microfibrillated Cellulose from Fast-Growing Poplar and Olive Tree Pruning by Physical Pretreatment. APPLIED SCIENCES-BASEL 2021. [DOI: 10.3390/app11146445] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Motivated by the negative impact of fossil fuel consumption on the environment, the need arises to produce materials and energy from renewable sources. Cellulose, the main biopolymer on Earth, plays a key role in this context, serving as a platform for the development of biofuels, chemicals and novel materials. Among the latter, micro- and nanocellulose have been receiving increasing attention in the last few years. Their many attractive properties, i.e., thermal stability, high mechanical resistance, barrier properties, lightweight, optical transparency and ease of chemical modification, allow their use in a wide range of applications, such as paper or polymer reinforcement, packaging, construction, membranes, bioplastics, bioengineering, optics and electronics. In view of the increasing demand for traditional wood pulp (e.g., obtained from eucalypt, birch, pine, spruce) for micro/nanocellulose production, dedicated crops and agricultural residues can be interesting as raw materials for this purpose. This work aims at achieving microfibrillated cellulose production from fast-growing poplar and olive tree pruning using physical pretreatment (PFI refining) before the microfibrillation stage. Both raw materials yielded microfibrillated cellulose with similar properties to that obtained from a commercial industrial eucalypt pulp, producing films with high mechanical properties and low wettability. According to these properties, different applications for cellulose microfibers suspensions and films are discussed.
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139
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Mechanical Properties of Cement-Treated Soil Mixed with Cellulose Nanofibre. APPLIED SCIENCES-BASEL 2021. [DOI: 10.3390/app11146425] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Cellulose nanofibre (CNF), a material composed of ultrafine fibres of wood cellulose fibrillated to nano-order level, is expected to be widely used because of its excellent properties. However, in the field of geotechnical engineering, almost no progress has been made in the development of techniques for using CNFs. The authors have focused on the use of CNF as an additive in cement treatment for soft ground, where cement is added to solidify the ground, because CNF can reduce the problems associated with cement-treated soil. This paper presents the results of a study on the method of mixing CNF, the strength and its variation obtained by adding CNF, and the change in permeability. CNF had the effect of mixing the cement evenly and reducing the variation in the strength of the treated soil. The CNF mixture increased the strength at the initial age but reduced the strength development in the long term. The addition of CNF also increased the flexural strength, although it hardly changed the permeability.
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140
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Rosendahl J, Svanström A, Berglin M, Petronis S, Bogestål Y, Stenlund P, Standoft S, Ståhlberg A, Landberg G, Chinga-Carrasco G, Håkansson J. 3D Printed Nanocellulose Scaffolds as a Cancer Cell Culture Model System. Bioengineering (Basel) 2021; 8:97. [PMID: 34356204 PMCID: PMC8301137 DOI: 10.3390/bioengineering8070097] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2021] [Revised: 06/28/2021] [Accepted: 06/28/2021] [Indexed: 12/12/2022] Open
Abstract
Current conventional cancer drug screening models based on two-dimensional (2D) cell culture have several flaws and there is a large need of more in vivo mimicking preclinical drug screening platforms. The microenvironment is crucial for the cells to adapt relevant in vivo characteristics and here we introduce a new cell culture system based on three-dimensional (3D) printed scaffolds using cellulose nanofibrils (CNF) pre-treated with 2,2,6,6-tetramethylpyperidine-1-oxyl (TEMPO) as the structural material component. Breast cancer cell lines, MCF7 and MDA-MB-231, were cultured in 3D TEMPO-CNF scaffolds and were shown by scanning electron microscopy (SEM) and histochemistry to grow in multiple layers as a heterogenous cell population with different morphologies, contrasting 2D cultured mono-layered cells with a morphologically homogenous cell population. Gene expression analysis demonstrated that 3D TEMPO-CNF scaffolds induced elevation of the stemness marker CD44 and the migration markers VIM and SNAI1 in MCF7 cells relative to 2D control. T47D cells confirmed the increased level of the stemness marker CD44 and migration marker VIM which was further supported by increased capacity of holoclone formation for 3D cultured cells. Therefore, TEMPO-CNF was shown to represent a promising material for 3D cell culture model systems for cancer cell applications such as drug screening.
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Affiliation(s)
- Jennifer Rosendahl
- Unit of Biological Function, Division Materials and Production, RISE Research Institutes of Sweden, Box 857, SE-50115 Borås, Sweden; (J.R.); (M.B.); (S.P.); (Y.B.); (P.S.); (S.S.)
| | - Andreas Svanström
- Sahlgrenska Center for Cancer Research, Department of Laboratory Medicine, Institute of Biomedicine, Sahlgrenska Academy, University of Gothenburg, Box 425, Medicinaregatan 1G, SE-41390 Gothenburg, Sweden; (A.S.); (A.S.); (G.L.)
| | - Mattias Berglin
- Unit of Biological Function, Division Materials and Production, RISE Research Institutes of Sweden, Box 857, SE-50115 Borås, Sweden; (J.R.); (M.B.); (S.P.); (Y.B.); (P.S.); (S.S.)
| | - Sarunas Petronis
- Unit of Biological Function, Division Materials and Production, RISE Research Institutes of Sweden, Box 857, SE-50115 Borås, Sweden; (J.R.); (M.B.); (S.P.); (Y.B.); (P.S.); (S.S.)
| | - Yalda Bogestål
- Unit of Biological Function, Division Materials and Production, RISE Research Institutes of Sweden, Box 857, SE-50115 Borås, Sweden; (J.R.); (M.B.); (S.P.); (Y.B.); (P.S.); (S.S.)
| | - Patrik Stenlund
- Unit of Biological Function, Division Materials and Production, RISE Research Institutes of Sweden, Box 857, SE-50115 Borås, Sweden; (J.R.); (M.B.); (S.P.); (Y.B.); (P.S.); (S.S.)
| | - Simon Standoft
- Unit of Biological Function, Division Materials and Production, RISE Research Institutes of Sweden, Box 857, SE-50115 Borås, Sweden; (J.R.); (M.B.); (S.P.); (Y.B.); (P.S.); (S.S.)
| | - Anders Ståhlberg
- Sahlgrenska Center for Cancer Research, Department of Laboratory Medicine, Institute of Biomedicine, Sahlgrenska Academy, University of Gothenburg, Box 425, Medicinaregatan 1G, SE-41390 Gothenburg, Sweden; (A.S.); (A.S.); (G.L.)
- Wallenberg Centre for Molecular and Translational Medicine, University of Gothenburg, SE-40530 Gothenburg, Sweden
- Department of Clinical Genetics and Genomics, Region Västra Götaland, Sahlgrenska University Hospital, SE-40530 Gothenburg, Sweden
| | - Göran Landberg
- Sahlgrenska Center for Cancer Research, Department of Laboratory Medicine, Institute of Biomedicine, Sahlgrenska Academy, University of Gothenburg, Box 425, Medicinaregatan 1G, SE-41390 Gothenburg, Sweden; (A.S.); (A.S.); (G.L.)
- Department of Clinical Pathology, Sahlgrenska University Hospital, SE-41345 Gothenburg, Sweden
| | | | - Joakim Håkansson
- Unit of Biological Function, Division Materials and Production, RISE Research Institutes of Sweden, Box 857, SE-50115 Borås, Sweden; (J.R.); (M.B.); (S.P.); (Y.B.); (P.S.); (S.S.)
- Department of Laboratory Medicine, Institute of Biomedicine, University of Gothenburg, P.O. Box 440, SE-40530 Gothenburg, Sweden
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141
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Bryant SJ, Calabrese V, da Silva MA, Zakir Hossain KM, Scott JL, Edler KJ. Rheological modification of partially oxidised cellulose nanofibril gels with inorganic clays. PLoS One 2021; 16:e0252660. [PMID: 34234363 PMCID: PMC8263268 DOI: 10.1371/journal.pone.0252660] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2020] [Accepted: 05/20/2021] [Indexed: 11/18/2022] Open
Abstract
This study aimed to quantify the influence of clays and partially oxidised cellulose nanofibrils (OCNF) on gelation as well as characterise their physical and chemical interactions. Mixtures of Laponite and montmorillonite clays with OCNF form shear-thinning gels that are more viscous across the entire shear range than OCNF on its own. Viscosity and other rheological properties can be fine-tuned using different types of clay at different concentrations (0.5-2 wt%). Laponite particles are an order of magnitude smaller than those of montmorillonite (radii of 150 Å compared to 2000 Å) and are therefore able to facilitate networking of the cellulose fibrils, resulting in stronger effects on rheological properties including greater viscosity. This work presents a mechanism for modifying rheological properties using renewable and environmentally-friendly nanocellulose and clays which could be used in a variety of industrial products including home and personal care formulations.
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Affiliation(s)
- Saffron J. Bryant
- Department of Chemistry, University of Bath, Claverton Down, Bath, United Kingdom
- School of Science, RMIT University, Melbourne, Victoria, Australia
| | - Vincenzo Calabrese
- Department of Chemistry, University of Bath, Claverton Down, Bath, United Kingdom
| | - Marcelo A. da Silva
- Department of Chemistry, University of Bath, Claverton Down, Bath, United Kingdom
| | | | - Janet L. Scott
- Department of Chemistry, University of Bath, Claverton Down, Bath, United Kingdom
- Centre for Sustainable Chemical Technologies, University of Bath, Claverton Down, Bath, United Kingdom
| | - Karen J. Edler
- Department of Chemistry, University of Bath, Claverton Down, Bath, United Kingdom
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142
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Zhu M, Kong L, Xie M, Lu W, Liu H, Li N, Feng Z, Zhan J. Carbon aerogel from forestry biomass as a peroxymonosulfate activator for organic contaminants degradation. JOURNAL OF HAZARDOUS MATERIALS 2021; 413:125438. [PMID: 33930962 DOI: 10.1016/j.jhazmat.2021.125438] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/08/2020] [Revised: 01/28/2021] [Accepted: 02/13/2021] [Indexed: 06/12/2023]
Abstract
The carbon catalyst has been widely used as a peroxymonosulfate (PMS) activator to degrade organic contaminants. The biomass carbon aerogel (CA) derived from poplar powder was synthesized in this study. CA with three-dimensional structure exhibited an excellent degradation performance of PMS activation for different types of organic contaminants including bisphenol A (BPA), rhodamine 6 G, phenol, and p-chlorophenol with the removal efficiencies up to 91%, 100%, 100%, and 60% within 60 min, respectively. It was found that singlet oxygen (1O2) dominated the non-radical pathway worked for BPA removal in CA/PMS system. The possible mechanism for PMS activation was discussed. A portion of 1O2 was produced through the transformation of superoxide radical (O2•-) in CA/PMS system. Electronic impedance spectroscopy (EIS) proved that the hierarchical structure of CA contributed to the electron transfer process for PMS activation. The ketonic/carbonyl groups (C˭O) on the surface of CA could serve as a possible active site to facilitate the generation of 1O2. In addition, CA showed superior degradation performance in actual water bodies and reusability with high-temperature regeneration treatment. This study developed an efficient and environmentally benign catalyst for water remediation of organic pollutants.
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Affiliation(s)
- Mingshuo Zhu
- Key Laboratory of Colloid and Interface Chemistry, Ministry of Education, School of Chemistry and Chemical Engineering, State Key Laboratory of Crystal Materials, Shandong University, Jinan 250100, PR China
| | - Lingshuai Kong
- Key Laboratory of Colloid and Interface Chemistry, Ministry of Education, School of Chemistry and Chemical Engineering, State Key Laboratory of Crystal Materials, Shandong University, Jinan 250100, PR China.
| | - Meng Xie
- Qilu University of Technology (Shandong Academy of Sciences), Shandong Analysis and Test Centre, Key Laboratory for Applied Technology of Sophisticated Analytical Instruments of Shandong Province, Jinan 250014, PR China
| | - Wenhui Lu
- Key Laboratory of Colloid and Interface Chemistry, Ministry of Education, School of Chemistry and Chemical Engineering, State Key Laboratory of Crystal Materials, Shandong University, Jinan 250100, PR China
| | - Huan Liu
- Key Laboratory of Colloid and Interface Chemistry, Ministry of Education, School of Chemistry and Chemical Engineering, State Key Laboratory of Crystal Materials, Shandong University, Jinan 250100, PR China
| | - Nianlu Li
- Key Laboratory of Colloid and Interface Chemistry, Ministry of Education, School of Chemistry and Chemical Engineering, State Key Laboratory of Crystal Materials, Shandong University, Jinan 250100, PR China
| | - Zhenyu Feng
- Key Laboratory of Colloid and Interface Chemistry, Ministry of Education, School of Chemistry and Chemical Engineering, State Key Laboratory of Crystal Materials, Shandong University, Jinan 250100, PR China
| | - Jinhua Zhan
- Key Laboratory of Colloid and Interface Chemistry, Ministry of Education, School of Chemistry and Chemical Engineering, State Key Laboratory of Crystal Materials, Shandong University, Jinan 250100, PR China.
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143
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Isogai A. Emerging Nanocellulose Technologies: Recent Developments. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2021; 33:e2000630. [PMID: 32686197 DOI: 10.1002/adma.202000630] [Citation(s) in RCA: 82] [Impact Index Per Article: 27.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/28/2020] [Revised: 04/10/2020] [Indexed: 05/22/2023]
Abstract
Nanocelluloses have unique morphologies, characteristics, and surface nanostructures, and are prepared from abundant and renewable plant biomass resources. Therefore, expansion of the use of CO2 -accumulating nanocelluloses is expected to partly contribute to the establishment of a sustainable society and help overcome current global environmental issues. Nanocelluloses can be categorized into cellulose nanonetworks, cellulose nanofibrils, and cellulose nanocrystals, depending on their morphologies. All of these materials are first obtained as aqueous dispersions. In particular, cellulose nanofibrils have homogeneous ≈3 nm widths and average lengths of >500 nm, and significant amounts of charged groups are present on their surfaces. Such charged groups are formed by carboxymethylation, C6-carboxylation, phosphorylation, phosphite esterification, xanthation, sulfate esterification, and C2/C3 dicarboxylation during the pretreatment of plant cellulose fibers before their conversion into cellulose nanofibrils via mechanical disintegration in water. These surface-charged groups in nanocelluloses can be stoichiometrically counterion-exchanged into diverse metal and alkylammonium ions, resulting in surface-modified nanocelluloses with various new functions including hydrophobic, water-resistant, catalytic, superdeodorant, and gas-separation properties. However, many fundamental and application-related issues facing nanocelluloses must first be overcome to enable their further expansion.
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Affiliation(s)
- Akira Isogai
- Department of Biomaterial Sciences, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Yayoi, Bunkyo-ku, Tokyo, 113-8657, Japan
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144
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Yang X, Berglund LA. Structural and Ecofriendly Holocellulose Materials from Wood: Microscale Fibers and Nanoscale Fibrils. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2021; 33:e2001118. [PMID: 32573855 DOI: 10.1002/adma.202001118] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/17/2020] [Revised: 03/26/2020] [Accepted: 03/30/2020] [Indexed: 05/20/2023]
Abstract
Mildly delignified wood holocellulose fibers show well-preserved cellulose nanofibril (CNF) structure in the fiber cell wall. Fibers, paper, biocomposites, and compression-molded fiber materials demonstrate excellent mechanical properties. Here, wood holocellulose fibers and corresponding CNFs are discussed with respect to nanostructure, mechanical performance, and advanced materials potential. Functionalization routes are discussed, as well as materials selection, nanoscience of recycling, and the embodied energy in cellulosic candidates for multifunctional structural materials.
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Affiliation(s)
- Xuan Yang
- Wallenberg Wood Science Center, Department of Fibre and Polymer Technology, School of Engineering Sciences in Chemistry, Biotechnology and Health, KTH Royal Institute of Technology, Stockholm, SE-10044, Sweden
| | - Lars A Berglund
- Wallenberg Wood Science Center, Department of Fibre and Polymer Technology, School of Engineering Sciences in Chemistry, Biotechnology and Health, KTH Royal Institute of Technology, Stockholm, SE-10044, Sweden
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145
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Doxorubicin Embedded into Nanofibrillated Bacterial Cellulose (NFBC) Produces a Promising Therapeutic Outcome for Peritoneally Metastatic Gastric Cancer in Mice Models via Intraperitoneal Direct Injection. NANOMATERIALS 2021; 11:nano11071697. [PMID: 34203462 PMCID: PMC8307241 DOI: 10.3390/nano11071697] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/13/2021] [Revised: 06/23/2021] [Accepted: 06/25/2021] [Indexed: 02/06/2023]
Abstract
Natural materials such as bacterial cellulose are gaining interest for their use as drug-delivery vehicles. Herein, the utility of nanofibrillated bacterial cellulose (NFBC), which is produced by culturing a cellulose-producing bacterium (Gluconacetobacter intermedius NEDO-01) in a medium supplemented with carboxymethylcellulose (CMC) that is referred to as CM-NFBC, is described. Recently, we demonstrated that intraperitoneal administration of paclitaxel (PTX)-containing CM-NFBC efficiently suppressed tumor growth in a peritoneally disseminated cancer xenograft model. In this study, to confirm the applicability of NFBC in cancer therapy, a chemotherapeutic agent, doxorubicin (DXR), embedded into CM-NFBC, was examined for its efficiency to treat a peritoneally disseminated gastric cancer via intraperitoneal administration. DXR was efficiently embedded into CM-NFBC (DXR/CM-NFBC). In an in vitro release experiment, 79.5% of DXR was released linearly into the peritoneal wash fluid over a period of 24 h. In the peritoneally disseminated gastric cancer xenograft model, intraperitoneal administration of DXR/CM-NFBC induced superior tumor growth inhibition (TGI = 85.5%) by day 35 post-tumor inoculation, compared to free DXR (TGI = 62.4%). In addition, compared with free DXR, the severe side effects that cause body weight loss were lessened via treatment with DXR/CM-NFBC. These results support the feasibility of CM-NFBC as a drug-delivery vehicle for various anticancer agents. This approach may lead to improved therapeutic outcomes for the treatment of intraperitoneally disseminated cancers.
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146
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Lam E, Hemraz UD. Preparation and Surface Functionalization of Carboxylated Cellulose Nanocrystals. NANOMATERIALS (BASEL, SWITZERLAND) 2021; 11:1641. [PMID: 34206698 PMCID: PMC8306899 DOI: 10.3390/nano11071641] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/29/2021] [Revised: 06/16/2021] [Accepted: 06/17/2021] [Indexed: 01/31/2023]
Abstract
In recent years, cellulose nanocrystals (CNCs) have emerged as a leading biomass-based nanomaterial owing to their unique functional properties and sustainable resourcing. Sulfated cellulose nanocrystals (sCNCs), produced by sulfuric acid-assisted hydrolysis of cellulose, is currently the predominant form of this class of nanomaterial; its utilization leads the way in terms of CNC commercialization activities and industrial applications. The functional properties, including high crystallinity, colloidal stability, and uniform nanoscale dimensions, can also be attained through carboxylated cellulose nanocrystals (cCNCs). Herein, we review recent progress in methods and feedstock materials for producing cCNCs, describe their functional properties, and discuss the initial successes in their applications. Comparisons are made to sCNCs to highlight some of the inherent advantages that cCNCs may possess in similar applications.
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Affiliation(s)
| | - Usha D. Hemraz
- Aquatic and Crop Resource Development Research Centre, National Research Council of Canada, Montreal, QC H4P 2R2, Canada;
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147
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Wang X, Tang S, Chai S, Wang P, Qin J, Pei W, Bian H, Jiang Q, Huang C. Preparing printable bacterial cellulose based gelatin gel to promote in vivo bone regeneration. Carbohydr Polym 2021; 270:118342. [PMID: 34364595 DOI: 10.1016/j.carbpol.2021.118342] [Citation(s) in RCA: 55] [Impact Index Per Article: 18.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2021] [Revised: 05/22/2021] [Accepted: 06/11/2021] [Indexed: 12/17/2022]
Abstract
The naturally tight entanglement of fibers in bacterial cellulose (BC) results in low printability when BC is used as a bioink for printing scaffolds. In this study, neat BC was treated by TEMPO-mediated oxidation (TO-BC) and maleic acid (MA-BC) to prepare homogeneous BC dispersions to fabricate scaffolds for bone regeneration. Results showed that the treatments released individual fibrils in the corresponding uniform dispersions without impairing inherent crystalline properties. Compared with TO-BC, MA-BC hybridized with gelatin could endow the gel with improved rheological properties and compression modulus for 3D printing. Both TO-BC and MA-BC dispersions showed good osteoblast viability. However, MA-BC possessed more pronounced ability to express osteogenic marker genes and formation of mineralized nodules in vitro. Compared with TO-BC-based gelatin scaffolds, MA-BC-based gelatin scaffolds showed a better ability to stimulate the regeneration of rat calvaria, demonstrating a higher bone mineral density of newly formed bone and trabecular thickness in vivo.
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Affiliation(s)
- Xucai Wang
- Co-Innovation Center for Efficient Processing and Utilization of Forest Resources, College of Chemical Engineering, Nanjing Forestry University, Nanjing 210037, China
| | - Shijia Tang
- Jiangsu Key Laboratory of Oral Diseases, Affiliated Hospital of Stomatology, Nanjing Medical University, Nanjing, Jiangsu, China
| | - Senlin Chai
- State Key Laboratory of Pharmaceutical Biotechnology, Department of Sports Medicine and Adult Reconstructive Surgery, Nanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical School, Nanjing 210008, China
| | - Peng Wang
- State Key Laboratory of Pharmaceutical Biotechnology, Department of Sports Medicine and Adult Reconstructive Surgery, Nanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical School, Nanjing 210008, China
| | - Jianghui Qin
- State Key Laboratory of Pharmaceutical Biotechnology, Department of Sports Medicine and Adult Reconstructive Surgery, Nanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical School, Nanjing 210008, China
| | - Wenhui Pei
- Co-Innovation Center for Efficient Processing and Utilization of Forest Resources, College of Chemical Engineering, Nanjing Forestry University, Nanjing 210037, China
| | - Huiyang Bian
- College of Light Industry and Food Engineering, Nanjing Forestry University, Nanjing 210037, China
| | - Qing Jiang
- State Key Laboratory of Pharmaceutical Biotechnology, Department of Sports Medicine and Adult Reconstructive Surgery, Nanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical School, Nanjing 210008, China
| | - Caoxing Huang
- Co-Innovation Center for Efficient Processing and Utilization of Forest Resources, College of Chemical Engineering, Nanjing Forestry University, Nanjing 210037, China.
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148
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Courtenay JC, Jin Y, Schmitt J, Hossain KMZ, Mahmoudi N, Edler KJ, Scott JL. Salt-Responsive Pickering Emulsions Stabilized by Functionalized Cellulose Nanofibrils. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2021; 37:6864-6873. [PMID: 34081858 DOI: 10.1021/acs.langmuir.0c03306] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Oil-in-water emulsions have been stabilized by functionalized cellulose nanofibrils bearing either a negative (oxidized cellulose nanofibrils, OCNF) or a positive (cationic cellulose nanofibrils, CCNF) surface charge. The size of the droplets was measured by laser diffraction, while the structure of the shell of the Pickering emulsion droplets was probed using small-angle neutron scattering (SANS), confocal laser scanning microscopy (CLSM), scanning electron microscopy (SEM), and rheology measurements. Both OCNF- and CCNF-stabilized emulsions present a very thick shell (>100 nm) comprised of densely packed CNF. OCNF-stabilized emulsions proved to be salt responsive, influencing the droplet aggregation and ultimately the gel properties of the emulsions, while CCNF emulsions, on the other hand, showed very little salt-dependent behavior.
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Affiliation(s)
- James C Courtenay
- Department of Chemistry, University of Bath, Claverton Down, Bath BA2 7AY, United Kingdom
- Centre for Sustainable Chemical Technologies, University of Bath, Claverton Down, Bath BA2 7AY, United Kingdom
| | - Yun Jin
- Department of Chemistry, University of Bath, Claverton Down, Bath BA2 7AY, United Kingdom
| | - Julien Schmitt
- Department of Chemistry, University of Bath, Claverton Down, Bath BA2 7AY, United Kingdom
- LSFC, Laboratoire de Synthèse et Fonctionnalisation des Céramiques, UMR 3080 CNRS/Saint-Gobain CREE, Saint-Gobain Research Provence, 550 Avenue Alphonse Jauffret, Cavaillon 84300, France
| | - Kazi M Zakir Hossain
- Department of Chemistry, University of Bath, Claverton Down, Bath BA2 7AY, United Kingdom
| | - Najet Mahmoudi
- ISIS Neutron & Muon Source, STFC Rutherford Appleton Laboratory, Didcot OX11 0QX, United Kingdom
| | - Karen J Edler
- Department of Chemistry, University of Bath, Claverton Down, Bath BA2 7AY, United Kingdom
| | - Janet L Scott
- Department of Chemistry, University of Bath, Claverton Down, Bath BA2 7AY, United Kingdom
- Centre for Sustainable Chemical Technologies, University of Bath, Claverton Down, Bath BA2 7AY, United Kingdom
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149
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Durand H, Baussanne I, Demeunynck M, Viger-Gravel J, Emsley L, Bardet M, Zeno E, Belgacem N, Bras J. Two-step immobilization of metronidazole prodrug on TEMPO cellulose nanofibrils through thiol-yne click chemistry for in situ controlled release. Carbohydr Polym 2021; 262:117952. [PMID: 33838828 DOI: 10.1016/j.carbpol.2021.117952] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2020] [Revised: 02/25/2021] [Accepted: 03/13/2021] [Indexed: 10/21/2022]
Abstract
Nowadays, drug encapsulation and drug release from cellulose nanofibrils systems are intense research topics, and commercial grades of cellulose nanomaterials are currently available. In this work we present an ester-containing prodrug of metronidazole that is covalently bound to cellulose nanofibrils in aqueous suspension through a two-step immobilization procedure involving green chemistry principles. The presence of the drug is confirmed by several characterization tools and methods such as Raman spectroscopy, elemental analysis, Dynamic Nuclear Polarization enhanced NMR. This technique allows enhancing the sensitivity of NMR by several orders of magnitude. It has been used to study cellulose nanofibrils substrates and it appears as the ultimate tool to confirm the covalent nature of the binding through thiol-yne click chemistry. Moreover, the ester function of the immobilized prodrug can be cleaved by specific enzyme activity thus allowing controlled drug release.
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Affiliation(s)
- Hippolyte Durand
- Univ. Grenoble Alpes, CNRS, Grenoble INP, LGP2, Grenoble, France
| | | | | | - Jasmine Viger-Gravel
- Department of Organic Chemistry, University of Geneva 30 Quai Ernest-Ansermet, 1211, Geneva 4, Switzerland
| | - Lyndon Emsley
- Institut des Sciences et Ingénierie Chimiques, Ecole Polytechnique Fédérale de Lausanne (EPFL), CH-1015, Lausanne, Switzerland
| | - Michel Bardet
- Institut des Sciences et Ingénierie Chimiques, Ecole Polytechnique Fédérale de Lausanne (EPFL), CH-1015, Lausanne, Switzerland; Univ Grenoble Alpes, CEA, INAC, MEM, Laboratoire de Résonance Magnétique, Grenoble, 38000, France
| | - Elisa Zeno
- Centre Technique du Papier (CTP), Domaine Universitaire, 38044, Grenoble Cedex 9, France
| | - Naceur Belgacem
- Univ. Grenoble Alpes, CNRS, Grenoble INP, LGP2, Grenoble, France
| | - Julien Bras
- Univ. Grenoble Alpes, CNRS, Grenoble INP, LGP2, Grenoble, France.
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150
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Omura T, Fujii Y, Suzuki T, Minami H. In situ preparation of inorganic nanoparticles in amino‐functionalized porous cellulose particles. J Appl Polym Sci 2021. [DOI: 10.1002/app.50397] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Affiliation(s)
- Taro Omura
- Department of Chemical Science and Engineering, Graduated School of Engineering Kobe University Kobe Japan
| | - Yuki Fujii
- Department of Chemical Science and Engineering, Graduated School of Engineering Kobe University Kobe Japan
| | - Toyoko Suzuki
- Department of Chemical Science and Engineering, Graduated School of Engineering Kobe University Kobe Japan
| | - Hideto Minami
- Department of Chemical Science and Engineering, Graduated School of Engineering Kobe University Kobe Japan
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