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Xiao Y, Zhu X, Zheng H, Tang Q, Qiu R. Preparation of phosphorylated rice husk for cadmium adsorption: Crucial role of phosphonyl group. BIORESOURCE TECHNOLOGY 2024; 408:131159. [PMID: 39067711 DOI: 10.1016/j.biortech.2024.131159] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/14/2024] [Revised: 07/18/2024] [Accepted: 07/24/2024] [Indexed: 07/30/2024]
Abstract
Rice husk is a locally available biomass for preparation of adsorbents to deal with cadmium (Cd) contamination in paddy system. In this study, phosphorylation of rice husk using H3PO4 and NH4H2PO4 was carried out in the presence of urea at 165℃ to obtain APB-C and NPB-C, respectively. According to the material characterizations, phosphonyl groups were successfully grafted on the rice husk. Both APB-C and NPB-C had high performance for Cd(II) adsorption with the capacities of 146 and 129 mg/g, respectively. The main mechanism of Cd(II) adsorption was ion exchange with NH4+. The adsorption capacity was linearly corelated with phosphorus content (R2 = 0.9997), while the Langmuir constant had high correlation efficient (R2 = 0.996) with phosphonyl group percentage. Further quantum chemical calculation showed higher interaction energy between Cd(II) and phosphonyl group than other groups. These results indicated that phosphonyl group governed Cd(II) adsorption on phosphorylated biomass.
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Affiliation(s)
- Ye Xiao
- School of Environmental Science and Engineering, Sun Yat-sen University, Guangzhou 510275, PR China; Guangdong Provincial Key Laboratory of Environmental Pollution Control and Remediation Technology, Guangzhou, PR China; Guangdong Provincial Engineering Research Center for Heavy Metal Contaminated Soil Remediation, Sun Yat-sen University, Guangzhou, PR China.
| | - Xiaomin Zhu
- School of Environmental Science and Engineering, Sun Yat-sen University, Guangzhou 510275, PR China; Guangdong Provincial Key Laboratory of Environmental Pollution Control and Remediation Technology, Guangzhou, PR China; Guangdong Provincial Engineering Research Center for Heavy Metal Contaminated Soil Remediation, Sun Yat-sen University, Guangzhou, PR China
| | - Huihui Zheng
- School of Environmental Science and Engineering, Sun Yat-sen University, Guangzhou 510275, PR China; Guangdong Provincial Key Laboratory of Environmental Pollution Control and Remediation Technology, Guangzhou, PR China; Guangdong Provincial Engineering Research Center for Heavy Metal Contaminated Soil Remediation, Sun Yat-sen University, Guangzhou, PR China
| | - Qin Tang
- School of Environmental Science and Engineering, Sun Yat-sen University, Guangzhou 510275, PR China; Guangdong Provincial Key Laboratory of Environmental Pollution Control and Remediation Technology, Guangzhou, PR China; Guangdong Provincial Engineering Research Center for Heavy Metal Contaminated Soil Remediation, Sun Yat-sen University, Guangzhou, PR China
| | - Rongliang Qiu
- School of Environmental Science and Engineering, Sun Yat-sen University, Guangzhou 510275, PR China; Guangdong Provincial Key Laboratory of Agricultural and Rural Pollution Abatement and Environmental Safety, College of Natural Resources and Environment, South China Agricultural University, Guangzhou, PR China; Guangdong Laboratory for Lingnan Modern Agriculture, Guangzhou, PR China
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2
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Awasthi S, Komal, Pandey SK. Translational applications of magnetic nanocellulose composites. NANOSCALE 2024; 16:15884-15908. [PMID: 39136070 DOI: 10.1039/d4nr01794c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/30/2024]
Abstract
Nanocellulose has emerged as a potential 'green' material owing to its inimitable properties. Furthermore, the significant development in technology has facilitated the design of multidimensional nanocellulose structures, including one-dimensional (1D: microparticles and nanofibers), two-dimensional (2D: coatings), and three-dimensional (3D: hydrogels/ferrogels) composites. In this case, nanocellulose composites blended with magnetic nanoparticles represent a new class of hybrid materials with improved biocompatibility and biodegradability. The application field of magnetic nanocellulose composites (MNCs) ranges from biomedicine and the environment to catalysis and sensing. In this review, we present the major applications of MNCs, emphasizing their innovative benefits and how they interconnect with translational applications in clinics and the environment. Additionally, we focus on the synthesis techniques and role of different additives in the fabrication of MNCs for achieving extremely precise and intricate tasks related to real-world applications. Subsequently, we reveal the recent interdisciplinary research on MNCs and discuss their mechanical, tribological, electrochemical, magnetic, and biological phenomena. Finally, this review concludes with a portrayal of computational modelling together with a glimpse of the various translational applications of MNCs. Therefore, it is anticipated that the current review will provide the readers with an extensive opportunity and a more comprehensive depiction related to the types, properties, and applications of MNCs.
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Affiliation(s)
- Shikha Awasthi
- Department of Chemistry, School of Basic Sciences, Manipal University Jaipur, Jaipur-303007, Rajasthan, India.
| | - Komal
- Department of Chemistry, School of Basic Sciences, Manipal University Jaipur, Jaipur-303007, Rajasthan, India.
| | - Sarvesh Kumar Pandey
- Department of Chemistry, Maulana Azad National Institute of Technology, Bhopal-462003, Madhya Pradesh, India.
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Marchetti A, Marelli E, Bergamaschi G, Lahtinen P, Paananen A, Linder M, Pigliacelli C, Metrangolo P. Nanocellulose-short peptide self-assembly for improved mechanical strength and barrier performance. J Mater Chem B 2024. [PMID: 39176991 PMCID: PMC11342157 DOI: 10.1039/d4tb01359j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2024] [Accepted: 08/11/2024] [Indexed: 08/24/2024]
Abstract
Cellulose nanofibers (CNF) are the most abundant renewable nanoscale fibers on Earth, and their use in the design of hybrid materials is ever more acclaimed, although it has been mostly limited, to date, to CNF derivatives obtained via covalent functionalization. Herein, we propose a noncovalent approach employing a set of short peptides - DFNKF, DF(I)NKF, and DF(F5)NKF - as supramolecular additives to engineer hybrid hydrogels and films based on unfunctionalized CNF. Even at minimal concentrations (from 0.1% to 0.01% w/w), these peptides demonstrate a remarkable ability to enhance CNF rheological properties, increasing both dynamic moduli by more than an order of magnitude. Upon vacuum filtration of the hydrogels, we obtained CNF-peptide films with tailored hydrophobicity and surface wettability, modulated according to the peptide content and halogen type. Notably, the presence of fluorine in the CNF-DF(F5)NKF film, despite being minimal, strongly enhances CNF water vapor barrier properties and reduces the film water uptake. Overall, this approach offers a modular, straightforward method to create fully bio-based CNF-peptide materials, where the inclusion of DFNKF derivatives allows for facile functionalization and material property modulation, opening their potential use in the design of packaging solutions and biomedical devices.
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Affiliation(s)
- Alessandro Marchetti
- Laboratory of Supramolecular and Bio-Nanomaterials (SBNLab), Department of Chemistry, Materials, and Chemical Engineering "Giulio Natta", Politecnico di Milano, Via L. Mancinelli 7, 20131 Milano, Italy.
| | - Elisa Marelli
- Laboratory of Supramolecular and Bio-Nanomaterials (SBNLab), Department of Chemistry, Materials, and Chemical Engineering "Giulio Natta", Politecnico di Milano, Via L. Mancinelli 7, 20131 Milano, Italy.
| | - Greta Bergamaschi
- Istituto di Scienze e Tecnologie Chimiche, National Research Council of Italy, Via M. Bianco 9, 20131 Milano, Italy
| | - Panu Lahtinen
- VTT-Technical Research Centre of Finland Ltd, Tekniikantie 21, 02150 Espoo, Finland
| | - Arja Paananen
- VTT-Technical Research Centre of Finland Ltd, Tekniikantie 21, 02150 Espoo, Finland
| | - Markus Linder
- Department of Bioproducts and Biosystems, School of Chemical Engineering, Aalto University, Kemistintie 1, 02150 Espoo, Finland
| | - Claudia Pigliacelli
- Laboratory of Supramolecular and Bio-Nanomaterials (SBNLab), Department of Chemistry, Materials, and Chemical Engineering "Giulio Natta", Politecnico di Milano, Via L. Mancinelli 7, 20131 Milano, Italy.
| | - Pierangelo Metrangolo
- Laboratory of Supramolecular and Bio-Nanomaterials (SBNLab), Department of Chemistry, Materials, and Chemical Engineering "Giulio Natta", Politecnico di Milano, Via L. Mancinelli 7, 20131 Milano, Italy.
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4
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Azaryouh L, Ait Benhamou A, Aziz K, Khalili H, Jaworski A, Ullah L, Boussetta A, Aboulkas A, Moubarik A, El Achaby M, Kassab Z. Phosphorylating Tannin in Urea System: A Simple Approach for Enhanced Methylene Blue Removal from Aqueous Media. Biomacromolecules 2024; 25:4843-4855. [PMID: 38985577 DOI: 10.1021/acs.biomac.4c00236] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/12/2024]
Abstract
Tannin, after lignin, is one of the most abundant sources of natural aromatic biomolecules. It has been used and chemically modified during the past few decades to create novel biobased materials. This work intended to functionalize for the first time quebracho Tannin (T) through a simple phosphorylation process in a urea system. The phosphorylation of tannin was studied by Fourier transform infrared spectroscopy (FTIR), NMR, inductively coupled plasma optical emission spectroscopy (ICP-OES), and X-ray fluorescence spectrometry (XRF), while further characterization was performed by scanning electron microscopy/energy dispersive X-ray spectroscopy (SEM/EDX) and thermogravimetric analysis (TGA) to investigate the morphology, composition, structure, and thermal degradation of the phosphorylated material. Results indicated the occurrence of phosphorylation, suggesting the insertion of phosphate-containing groups into the tannin structure, revealing a high content of phosphate for modified tannin (PT). This elevated phosphorus content serves as evidence for the successful incorporation of phosphate groups through the functionalization process. The corresponding PT and T were employed as adsorbents for methylene blue (MB) removal from aqueous solutions. The results revealed that the Langmuir isotherm model effectively represents the adsorption isotherms. Additionally, the pseudo-second-order model indicates that chemisorption predominantly controls the adsorption mechanism. This finding also supports the fact that the introduced phosphate groups via the phosphorylation process significantly contributed to the improved adsorption capacity. Under neutral pH conditions and at room temperature, the material achieved an impressive adsorption capacity of 339.26 mg·g-1 in about 2 h.
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Affiliation(s)
- Leila Azaryouh
- Materials Science, Energy and Nanoengineering Department (MSN), Mohammed VI Polytechnic University (UM6P), Lot 660─Hay Moulay Rachid, 43150 Ben Guerir, Morocco
- Chemical Processes and Applied Materials Laboratory, Polydisciplinary Faculty, Sultan Moulay Slimane University, BP 592 Beni-Mellal, Morocco
| | - Anass Ait Benhamou
- Department of Wood and Forest Sciences, Laval University, Quebec, Quebec G1V 0A6, Canada
| | - Khalid Aziz
- Materials Science, Energy and Nanoengineering Department (MSN), Mohammed VI Polytechnic University (UM6P), Lot 660─Hay Moulay Rachid, 43150 Ben Guerir, Morocco
| | - Houssine Khalili
- Department of Materials and Environmental Chemistry (MMK), Stockholm University, SE-10691 Stockholm, Sweden
| | - Aleksander Jaworski
- Department of Materials and Environmental Chemistry (MMK), Stockholm University, SE-10691 Stockholm, Sweden
| | - Latif Ullah
- Department of Materials and Environmental Chemistry (MMK), Stockholm University, SE-10691 Stockholm, Sweden
| | - Abdelghani Boussetta
- Materials Science, Energy and Nanoengineering Department (MSN), Mohammed VI Polytechnic University (UM6P), Lot 660─Hay Moulay Rachid, 43150 Ben Guerir, Morocco
| | - Adil Aboulkas
- Chemical Processes and Applied Materials Laboratory, Polydisciplinary Faculty, Sultan Moulay Slimane University, BP 592 Beni-Mellal, Morocco
| | - Amine Moubarik
- Chemical Processes and Applied Materials Laboratory, Polydisciplinary Faculty, Sultan Moulay Slimane University, BP 592 Beni-Mellal, Morocco
| | - Mounir El Achaby
- Materials Science, Energy and Nanoengineering Department (MSN), Mohammed VI Polytechnic University (UM6P), Lot 660─Hay Moulay Rachid, 43150 Ben Guerir, Morocco
| | - Zineb Kassab
- Materials Science, Energy and Nanoengineering Department (MSN), Mohammed VI Polytechnic University (UM6P), Lot 660─Hay Moulay Rachid, 43150 Ben Guerir, Morocco
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Lamnini S, Boukayouht K, Ouzrour Z, El Hankari S, Sehaqui H, Jacquemin J. Fabrication of Highly Efficient ZIF-8@PEI Monoliths for CO 2 Capture Using Phosphorylated Cellulose Nanofiber as a Binder. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2024; 40:14964-14977. [PMID: 38979641 DOI: 10.1021/acs.langmuir.4c01162] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/10/2024]
Abstract
This study involves the synthesis and comparison of zeolitic imidazolate frameworks (ZIFs), specifically ZIF-8 and ZIF-67 pristine with a commercial zeolite, emphasizing their CO2 affinity and sorption capability. To overcome challenges persisting in the handling and integration of these materials into industrial adsorption processes, particularly when limited to microcrystalline fine powders, we present herein an innovative manufacturing method to produce standalone monolithic supports. This process involves pseudoplastic paste formulations utilizing polyethylenimine (PEI) as a coagulant and locally fabricated phosphorylated cellulose nanofiber (PCNF) as a binding agent. Rheological investigation was conducted to anticipate the required shaping and design by means of paste flowability, consistency, and stiffness. XRD and FTIR results confirm the preservation of crystalline structure and the occurrence of amine functionalization associated with the presence of PEI, respectively. The proposed method significantly enhances the CO2 adsorption performance of the produced ZIF-8 monolith in comparison with that reached when using the pristine material, achieving a capacity of 1.25-2 mmol·g-1 at 30 °C under dry conditions in a pressure range of 1-13 bar, respectively. In other words, this work clearly highlights an effective applicability of the ZIF-8 monolith as an innovative sorbent for further designing CO2 capture industrial setups.
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Affiliation(s)
- Soukaina Lamnini
- Department of Materials Science and Nanoengineering (MSN), Mohammed VI Polytechnic University (UM6P), Lot 660-Hay Moulay Rachid, Ben Guerir 43150, Morocco
| | - Khaireddin Boukayouht
- Chemical and Biochemical Sciences, Green Process Engineering (CBS), Mohammed VI Polytechnic University (UM6P), Lot 660-Hay Moulay Rachid, Ben Guerir 43150, Morocco
| | - Zineb Ouzrour
- Department of Materials Science and Nanoengineering (MSN), Mohammed VI Polytechnic University (UM6P), Lot 660-Hay Moulay Rachid, Ben Guerir 43150, Morocco
| | - Samir El Hankari
- Chemical and Biochemical Sciences, Green Process Engineering (CBS), Mohammed VI Polytechnic University (UM6P), Lot 660-Hay Moulay Rachid, Ben Guerir 43150, Morocco
| | - Houssine Sehaqui
- Department of Materials Science and Nanoengineering (MSN), Mohammed VI Polytechnic University (UM6P), Lot 660-Hay Moulay Rachid, Ben Guerir 43150, Morocco
| | - Johan Jacquemin
- Department of Materials Science and Nanoengineering (MSN), Mohammed VI Polytechnic University (UM6P), Lot 660-Hay Moulay Rachid, Ben Guerir 43150, Morocco
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6
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Zhang Y, Tao L, Zhao L, Dong C, Liu Y, Zhang K, Liimatainen H. Fabrication of flame-retardant and water-resistant nanopapers through electrostatic complexation of phosphorylated cellulose nanofibers and chitin nanocrystals. J Colloid Interface Sci 2024; 676:61-71. [PMID: 39018811 DOI: 10.1016/j.jcis.2024.07.111] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2024] [Revised: 06/25/2024] [Accepted: 07/13/2024] [Indexed: 07/19/2024]
Abstract
Biogenic, sustainable two-dimensional architectures, such as films and nanopapers, have garnered considerable interest because of their low carbon footprint, biodegradability, advanced optical/mechanical characteristics, and diverse potential applications. Here, bio-based nanopapers with tailored characteristics were engineered by the electrostatic complexation of oppositely charged colloidal phosphorylated cellulose nanofibers (P-CNFs) and deacetylated chitin nanocrystals (ChNCs). The electrostatic interaction between anionic P-CNFs and cationic ChNCs enhanced the stretchability and water stability of the nanopapers. Correspondingly, they exhibited a wet tensile strength of 17.7 MPa after 24 h of water immersion. Furthermore, the nanopapers exhibited good thermal stability and excellent self-extinguishing behavior, triggered by both phosphorous and nitrogen. These features make the nanopapers sustainable and promising structures for application in advanced fields, such as optoelectronics.
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Affiliation(s)
- Yutong Zhang
- Institute of Functional Textiles and Advanced Materials, National Engineering Research Center for Advanced Fire-Safety Materials D & A (Shandong), College of Textiles and Clothing, Qingdao University, Ningxia Road, 308, Qingdao 266071, China
| | - Lixue Tao
- Department of Chemical Engineering, School of Chemical and Material Engineering, Jiangnan University, Wuxi 214122, China
| | - Lebin Zhao
- Institute of Functional Textiles and Advanced Materials, National Engineering Research Center for Advanced Fire-Safety Materials D & A (Shandong), College of Textiles and Clothing, Qingdao University, Ningxia Road, 308, Qingdao 266071, China
| | - Chaohong Dong
- Institute of Functional Textiles and Advanced Materials, National Engineering Research Center for Advanced Fire-Safety Materials D & A (Shandong), College of Textiles and Clothing, Qingdao University, Ningxia Road, 308, Qingdao 266071, China; State Key Laboratory of Bio-Fibers and Eco-Textiles, Qingdao University, Qingdao 266071, China
| | - Yun Liu
- Institute of Functional Textiles and Advanced Materials, National Engineering Research Center for Advanced Fire-Safety Materials D & A (Shandong), College of Textiles and Clothing, Qingdao University, Ningxia Road, 308, Qingdao 266071, China; State Key Laboratory of Bio-Fibers and Eco-Textiles, Qingdao University, Qingdao 266071, China
| | - Kaitao Zhang
- Institute of Functional Textiles and Advanced Materials, National Engineering Research Center for Advanced Fire-Safety Materials D & A (Shandong), College of Textiles and Clothing, Qingdao University, Ningxia Road, 308, Qingdao 266071, China; State Key Laboratory of Bio-Fibers and Eco-Textiles, Qingdao University, Qingdao 266071, China; National Innovation Center of Advanced Dyeing & Finishing Technology, Tai'an, Shandong 271000, China.
| | - Henrikki Liimatainen
- Fibre and Particle Engineering Research Unit, Faculty of Technology, University of Oulu, P.O. Box 4300, FI-90014, Finland
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Zhan J, Mao L, Qin R, Qian J, Mu X. Thermal and Combustion Properties of Biomass-Based Flame-Retardant Polyurethane Foams Containing P and N. MATERIALS (BASEL, SWITZERLAND) 2024; 17:3473. [PMID: 39063764 PMCID: PMC11277700 DOI: 10.3390/ma17143473] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/12/2024] [Revised: 07/10/2024] [Accepted: 07/11/2024] [Indexed: 07/28/2024]
Abstract
Biomass has been widely used due to its environmental friendliness, sustainability, and low toxicity. In this study, aminophosphorylated cellulose (PNC), a biomass flame retardant containing phosphorus and nitrogen, was synthesized by esterification from cellulose and introduced into polyurethane to prepare flame-retardant rigid polyurethane foam. The combustion properties of the PU and PU/PNC composites were studied using the limiting oxygen index (LOI), UL-94, and cone calorimeter (CCT) methods. The thermal degradation behavior of the PU and PU/PNC composites was analyzed by thermogravimetric analysis (TGA) and thermogravimetric infrared spectroscopy (TG-IR). The char layer after combustion was characterized using SEM, Raman, and XPS. The experimental results showed that the introduction of PNC significantly improved the flame-retardant effect and safety of PU/PNC composites. Adding 15 wt% PNC to PU resulted in a vertical burning grade of V-0 and a limiting oxygen index of 23.5%. Compared to the pure sample, the residual char content of PU/PNC15 in a nitrogen atmosphere increased by 181%, and the total heat release (THR) decreased by 56.3%. A Raman analysis of the char layer after CCT combustion revealed that the ID/IG ratio of PU/PNC15 decreased from 4.11 to 3.61, indicating that the flame retardant could increase the stability of the char layer. The TG-IR results showed that PNC diluted the concentration of O2 and combustible gases by releasing inert gases such as CO2. These findings suggest that the developed PU/PNC composites have significant potential for real-world applications, particularly in industries requiring enhanced fire safety, such as construction, transportation, and electronics. The use of PNC provides an eco-friendly alternative to traditional flame retardants. This research paves the way for the development of safer, more sustainable, and environmentally friendly fire-resistant materials for a wide range of applications.
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Affiliation(s)
- Jing Zhan
- School of Civil Engineering, Anhui Jianzhu University, Hefei 230601, China; (J.Z.); (L.M.)
| | - Liangchen Mao
- School of Civil Engineering, Anhui Jianzhu University, Hefei 230601, China; (J.Z.); (L.M.)
| | - Rongshui Qin
- School of Civil Engineering, Anhui Jianzhu University, Hefei 230601, China; (J.Z.); (L.M.)
| | - Jing Qian
- School of Environment and Energy Engineering, Anhui JianZhu University, Hefei 230601, China;
| | - Xiaowei Mu
- State Key Laboratory of Fire Science, University of Science and Technology of China, Hefei 230026, China
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Chen S, Xu D, Yin H, Huang R, Qi W, Su R, Zhang K. Large-Scale Engineerable Films Tailored with Cellulose Nanofibrils for Lighting Management and Thermal Insulation. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024:e2401283. [PMID: 38924314 DOI: 10.1002/smll.202401283] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/18/2024] [Revised: 06/04/2024] [Indexed: 06/28/2024]
Abstract
Fibrillated cellulose-based nanocomposites can improve energy efficiency of building envelopes, especially windows, but efficiently engineering them with a flexible ability of lighting and thermal management remains highly challenging. Herein, a scalable interfacial engineering strategy is developed to fabricate haze-tunable thermal barrier films tailored with phosphorylated cellulose nanofibrils (PCNFs). Clear films with an extremely low haze of 1.6% (glass-scale) are obtained by heat-assisted surface void packing without hydrophobization of nanocellulose. PCNF gel cakes serve here as templates for surface roughening, thereby resulting in a high haze (73.8%), and the roughened films can block heat transfer by increasing solar reflection in addition to a reduced thermal conduction. Additionally, obtained films can tune distribution of light from visible to near-infrared spectral range, enabling uniform colored lighting and inhibiting localized heating. Furthermore, an integrated simulation of lighting and cooling energy consumption in the case of office buildings shows that the film can reduce the total energy use by 19.2-38.1% under reduced lighting levels. Such a scalable and versatile engineering strategy provides an opportunity to endow nanocellulose-reinforced materials with tunable optical and thermal functionalities, moving their practical applications in green buildings forward.
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Affiliation(s)
- Shaohuang Chen
- State Key Laboratory of Chemical Engineering, Tianjin Key Laboratory of Membrane Science and Desalination Technology, Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), School of Chemical Engineering and Technology, Tianjin University, Tianjin, 300072, China
- Sustainable Materials and Chemistry, Department of Wood Technology and Wood-based Nanocomposites, University of Göttingen, Büsgenweg 4, 37077, Göttingen, Germany
| | - Dan Xu
- Sustainable Materials and Chemistry, Department of Wood Technology and Wood-based Nanocomposites, University of Göttingen, Büsgenweg 4, 37077, Göttingen, Germany
| | - Huiting Yin
- Ningbo Key Laboratory of Green Petrochemical Carbon Emission Reduction Technology and Equipment, Zhejiang Institute of Tianjin University, Ningbo, 315201, China
| | - Renliang Huang
- Ningbo Key Laboratory of Green Petrochemical Carbon Emission Reduction Technology and Equipment, Zhejiang Institute of Tianjin University, Ningbo, 315201, China
- Key Laboratory of Ocean Observation Technology of Ministry of Natural Resources, School of Marine Science and Technology, Tianjin University, Tianjin, 300072, China
| | - Wei Qi
- State Key Laboratory of Chemical Engineering, Tianjin Key Laboratory of Membrane Science and Desalination Technology, Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), School of Chemical Engineering and Technology, Tianjin University, Tianjin, 300072, China
| | - Rongxin Su
- State Key Laboratory of Chemical Engineering, Tianjin Key Laboratory of Membrane Science and Desalination Technology, Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), School of Chemical Engineering and Technology, Tianjin University, Tianjin, 300072, China
- Ningbo Key Laboratory of Green Petrochemical Carbon Emission Reduction Technology and Equipment, Zhejiang Institute of Tianjin University, Ningbo, 315201, China
- Key Laboratory of Ocean Observation Technology of Ministry of Natural Resources, School of Marine Science and Technology, Tianjin University, Tianjin, 300072, China
| | - Kai Zhang
- Sustainable Materials and Chemistry, Department of Wood Technology and Wood-based Nanocomposites, University of Göttingen, Büsgenweg 4, 37077, Göttingen, Germany
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9
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Szubert Z, Mazela B, Tomkowiak K, Grześkowiak W. Fire Properties of Paper Sheets Made of Cellulose Fibers Treated with Various Retardants. MATERIALS (BASEL, SWITZERLAND) 2024; 17:3074. [PMID: 38998156 PMCID: PMC11242205 DOI: 10.3390/ma17133074] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/22/2024] [Revised: 06/09/2024] [Accepted: 06/20/2024] [Indexed: 07/14/2024]
Abstract
This article presents the results of flame-retardancy tests conducted on cellulose sheets produced using a Rapid Köthen apparatus treated with retardants. The agents used were potassium carbonate (PC) K2CO3 (concentrations of 20; 33.3; and 50% wt/wt), monoammonium phosphate (MAP) NH4H2PO4 (concentrations of 35% wt/wt), diammonium phosphate (DAP) (NH4)2HPO4 (concentrations of 42.9% wt/wt), and bisguanidal phosphate (FOS) C2H10N6 (concentrations of 22.5% wt/wt). The agents were used to improve Kraft cellulose-based sheets' flame-retardant properties and compare their performances. As part of the study, the flammability of the materials was determined by the following methods: an oxygen index (OI) test, a mass loss calorimeter (MLC) test, and a mini fire tube (MFT) test. All formulations showed an increase in flame retardancy compared to the control test. All protected samples were non-flammable for OI determinations, and DAP-protected samples showed the highest OI index. For the MLC test, DAP-protected and MAP-protected samples showed the best heat-release rate (HRR), total heat release (THR), and average heat-release rate (ARHE) (samples did not ignite for 600 s). In the MFT test, all treated samples had comparably reduced weight loss. The best parameter was achieved for MAP and DAP (15% weight loss).
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Affiliation(s)
- Zuzanna Szubert
- Faculty of Forestry and Wood Technology, Poznań University of Life Sciences, Wojska Polskiego 28, 60-637 Poznań, Poland
| | - Bartłomiej Mazela
- Faculty of Forestry and Wood Technology, Poznań University of Life Sciences, Wojska Polskiego 28, 60-637 Poznań, Poland
- Przedsiębiorstwo Wielobranżowe Sp. z o. o., Polna 1, 64-316 Michorzewo, Poland
| | - Karolina Tomkowiak
- Faculty of Forestry and Wood Technology, Poznań University of Life Sciences, Wojska Polskiego 28, 60-637 Poznań, Poland
| | - Wojciech Grześkowiak
- Faculty of Forestry and Wood Technology, Poznań University of Life Sciences, Wojska Polskiego 28, 60-637 Poznań, Poland
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10
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Khalili H, Monti S, Pesquet E, Jaworski A, Lombardo S, Mathew AP. Nanocellulose-Bovine Serum Albumin Interactions in an Aqueous Medium: Investigations Using In Situ Nanocolloidal Probe Microscopy and Reactive Molecular Dynamics Simulations. Biomacromolecules 2024; 25:3703-3714. [PMID: 38806282 PMCID: PMC11170956 DOI: 10.1021/acs.biomac.4c00264] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2024] [Revised: 05/21/2024] [Accepted: 05/22/2024] [Indexed: 05/30/2024]
Abstract
As a versatile nanomaterial derived from renewable sources, nanocellulose has attracted considerable attention for its potential applications in various sectors, especially those focused on water treatment and remediation. Here, we have combined atomic force microscopy (AFM) and reactive molecular dynamics (RMD) simulations to characterize the interactions between cellulose nanofibers modified with carboxylate or phosphate groups and the protein foulant model bovine serum albumin (BSA) at pH 3.92, which is close to the isoelectric point of BSA. Colloidal probes were prepared by modification of the AFM probes with the nanofibers, and the nanofiber coating on the AFM tip was for the first time confirmed through fluorescence labeling and confocal optical sectioning. We have found that the wet-state normalized adhesion force is approximately 17.87 ± 8.58 pN/nm for the carboxylated cellulose nanofibers (TOCNF) and about 11.70 ± 2.97 pN/nm for the phosphorylated ones (PCNF) at the studied pH. Moreover, the adsorbed protein partially unfolded at the cellulose interface due to the secondary structure's loss of intramolecular hydrogen bonds. We demonstrate that nanocellulose colloidal probes can be used as a sensitive tool to reveal interactions with BSA at nano and molecular scales and under in situ conditions. RMD simulations helped to gain a molecular- and atomistic-level understanding of the differences between these findings. In the case of PCNF, partially solvated metal ions, preferentially bound to the phosphates, reduced the direct protein-cellulose connections. This understanding can lead to significant advancements in the development of cellulose-based antifouling surfaces and provide crucial insights for expanding the pH range of use and suggesting appropriate recalibrations.
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Affiliation(s)
- Houssine Khalili
- Department
of Materials and Environmental Chemistry, Stockholm University, Stockholm 10691, Sweden
| | - Susanna Monti
- CNR-ICCOM, Institute of Chemistry of Organometallic
Compounds, via Moruzzi
1, Pisa 56124, Italy
| | - Edouard Pesquet
- Department
of Ecology, Environment and Plant Sciences, Stockholm University, Stockholm 10691, Sweden
| | - Aleksander Jaworski
- Department
of Materials and Environmental Chemistry, Stockholm University, Stockholm 10691, Sweden
| | - Salvatore Lombardo
- Department
of Materials and Environmental Chemistry, Stockholm University, Stockholm 10691, Sweden
| | - Aji P Mathew
- Department
of Materials and Environmental Chemistry, Stockholm University, Stockholm 10691, Sweden
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11
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Charii H, Boussetta A, Benali K, Essifi K, Mennani M, Benhamou AA, El Zakhem H, Sehaqui H, El Achaby M, Grimi N, Boutoial K, Ablouh EH, Moubarik A. Phosphorylated chitin from shrimp shell waste: A robust solution for cadmium remediation. Int J Biol Macromol 2024; 268:131855. [PMID: 38679259 DOI: 10.1016/j.ijbiomac.2024.131855] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2023] [Revised: 04/04/2024] [Accepted: 04/23/2024] [Indexed: 05/01/2024]
Abstract
In this work, chitin (CT) was isolated from shrimp shell waste (SSW) and was then phosphorylated using diammonium hydrogen phosphate (DAP) as a phosphorylating agent in the presence of urea. The prepared samples were characterized using Scanning Electron Microscopy (SEM) and EDX-element mapping, Fourier Transform Infrared Spectroscopy (ATR-FTIR), X-Ray Diffraction (XRD), Thermogravimetric Analysis (TGA/DTG), conductometric titration, Degree of Substitution (DS) and contact angle measurements. The results of characterization techniques reveal the successful extraction and phosphorylation of chitin. The charge content of the phosphorylated chitin (P-CT) was 1.510 mmol·kg-1, the degree of substitution of phosphorus groups grafted on the CT surface achieved the value of 0.33. The adsorption mechanisms appeared to involve electrostatic attachment, specific adsorption (CdO or hydroxyl binding), and ion exchange. Regarding the adsorption of Cd2+, the effect of the adsorbent mass, initial concentration of Cd2+, contact time, pH, and temperature were studied in batch experiments, and optimum values for each parameter were identified. The experimental results revealed that P-CT enhanced the Cd2+ removal capacity by 17.5 %. The kinetic analyses favored the pseudo-second-order model over the pseudo-first-order model for describing the adsorption process accurately. Langmuir model aptly represented the adsorption isotherms, suggesting unimolecular layer adsorption with a maximum capacity of 62.71 mg·g-1 under optimal conditions of 30 °C, 120 min, pH 8, and a P-CT dose of 3 g·L-1. Regeneration experiments evidenced that P-CT can be used for 6 cycles without significant removal capacity loss. Consequently, P-CT presents an efficient and cost-effective potential biosorbent for Cd2+ removal in wastewater treatment applications.
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Affiliation(s)
- Hassan Charii
- Chemical Processes and Applied Materials Laboratory, Poly disciplinary Faculty, Sultan Moulay Slimane University, BP 592 Beni-Mellal, Morocco
| | - Abdelghani Boussetta
- Materials Science, Energy and Nanoengineering (MSN) Department, Mohammed VI Polytechnic University, Lot 660 - Hay Moulay Rachid, 43150 Ben Guerir, Morocco
| | - Kamal Benali
- Chemical and Biochemical Sciences, Green Process Engineering Department (CBS), Mohammed VI Polytechnic University, Ben Guerir, Morocco
| | - Kamal Essifi
- Coordination and Analytical Chemistry Laboratory, Faculty of Sciences, University of Chouaïb Doukkali, El Jadida, Morocco
| | - Mehdi Mennani
- Chemical Processes and Applied Materials Laboratory, Poly disciplinary Faculty, Sultan Moulay Slimane University, BP 592 Beni-Mellal, Morocco; Materials Science, Energy and Nanoengineering (MSN) Department, Mohammed VI Polytechnic University, Lot 660 - Hay Moulay Rachid, 43150 Ben Guerir, Morocco
| | - Anass Ait Benhamou
- Materials Science, Energy and Nanoengineering (MSN) Department, Mohammed VI Polytechnic University, Lot 660 - Hay Moulay Rachid, 43150 Ben Guerir, Morocco
| | - Henri El Zakhem
- Chemical Engineering Department, University of Balamand, POBox 33, Amioun, El Koura, Lebanon
| | - Houssine Sehaqui
- Materials Science, Energy and Nanoengineering (MSN) Department, Mohammed VI Polytechnic University, Lot 660 - Hay Moulay Rachid, 43150 Ben Guerir, Morocco
| | - Mounir El Achaby
- Materials Science, Energy and Nanoengineering (MSN) Department, Mohammed VI Polytechnic University, Lot 660 - Hay Moulay Rachid, 43150 Ben Guerir, Morocco
| | - Nabil Grimi
- Sorbonne University, University of Technology of Compiegne, Integrated Transformations of Renewable Matter Laboratory (UTC/ESCOM, EA 4297 TIMR), Royally Research Centre, CS 60 319, 60 203 Compiegne Cedex, France
| | - Khalid Boutoial
- Laboratory of the Engineering and Applied Technologies, Higher School of Technology, Sultan Moulay Slimane University Higher School of Technology, Mghila University Campus, Pb 591, Beni-Mellal, Morocco
| | - El-Houssaine Ablouh
- Materials Science, Energy and Nanoengineering (MSN) Department, Mohammed VI Polytechnic University, Lot 660 - Hay Moulay Rachid, 43150 Ben Guerir, Morocco.
| | - Amine Moubarik
- Chemical Processes and Applied Materials Laboratory, Poly disciplinary Faculty, Sultan Moulay Slimane University, BP 592 Beni-Mellal, Morocco.
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12
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Yuan Q, Zhang G, Li C, Xu S, He L. Effect of Amino Silicone Oil-Phosphorylation Hybrid Modification on the Properties of Microcellulose Fibers. Polymers (Basel) 2024; 16:1123. [PMID: 38675042 PMCID: PMC11053708 DOI: 10.3390/polym16081123] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2024] [Revised: 04/10/2024] [Accepted: 04/15/2024] [Indexed: 04/28/2024] Open
Abstract
Microcellulose materials are increasingly considered multifunctional candidates for emerging energy applications. Microcellulose fibers (MCF) are a kind of bio-based reinforcement in composites, and their hydrophilic character hinders their wide application in industry. Thus, in the present work, MCF was hybrid-modified by amino silicone oil-phosphorylated to fabricate hydrophobic, thermal stability, and flame-retardant microcellulose fibers for potential application in vehicle engineering. The results showed that the amino silicone oil-phosphorylated (ASOP) hybrid modification could transform the surface property of microcellulose from hydrophilic to hydrophobic and improve the compatibility between MCF and resin matrix. Meanwhile, the ASOP treatment led to the formation of an amino silicone oil film layer on the surface of the microcellulose, which improved the thermal stability of the MCF. Furthermore, the ASOP hybrid modification microcellulose fibers paper (100% microcellulose fibers paper) was transformed from flammable to flame-retardant and showed self-extinguishing behavior after burning under flame for 2 s. The flame-retardant mechanism was attributed to the formation of the char layer in the condensed phase and the production of non-combustible gases in the gaseous phase.
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Affiliation(s)
- Quan Yuan
- State Key Laboratory of Advanced Design and Manufacturing Technology for Vehicle, Hunan University, Changsha 410082, China;
- College of Mechanical and Vehicle Engineering, Hunan University, Changsha 410082, China
- Suzhou Research Institute of Hunan University, Suzhou 215131, China
| | - Guimei Zhang
- Hunan Jinjian New Material Technology Co., Ltd., Yongzhou 426181, China; (G.Z.); (C.L.)
| | - Chunxuan Li
- Hunan Jinjian New Material Technology Co., Ltd., Yongzhou 426181, China; (G.Z.); (C.L.)
| | - Shiwei Xu
- State Key Laboratory of Advanced Design and Manufacturing Technology for Vehicle, Hunan University, Changsha 410082, China;
- College of Mechanical and Vehicle Engineering, Hunan University, Changsha 410082, China
- Suzhou Research Institute of Hunan University, Suzhou 215131, China
| | - Liping He
- State Key Laboratory of Advanced Design and Manufacturing Technology for Vehicle, Hunan University, Changsha 410082, China;
- College of Mechanical and Vehicle Engineering, Hunan University, Changsha 410082, China
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13
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Ranjan R, Rai R, Naik K, Parmar AS, Dhar P. Scalable phosphorylated cellulose production with improved environmental sustainability, crosslinkability and processability using 3D bioprinting for dye remediation. Int J Biol Macromol 2024; 264:130577. [PMID: 38453115 DOI: 10.1016/j.ijbiomac.2024.130577] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2023] [Revised: 02/18/2024] [Accepted: 02/29/2024] [Indexed: 03/09/2024]
Abstract
In the present work, phosphorylated cellulose (PC) gel has been produced following an environmentally benign approach using agro-based chemicals with improved yield. The PC gels produced were transparent, negatively charged with high consistency, charge content (1133.33 mmol/kg), degree of substitution (DS) of 0.183 and increased yield (>87 %). The XPS and EDS analysis confirms the covalently bonded phosphate groups at weight percent of 9.42 % and 11.01 %, respectively. The life cycle assessment (LCA) shows that PC gel production via the phosphorylation route is an ecologically favourable strategy compared with traditional TEMPO oxidation, resulting in 1.67 times lower CO2 emission. The rheological studies of PC gels show shear-thinning behaviour with improved 3D printability followed by heat-induced crosslinking of phosphate groups. The mechanistic insights for the condensation of phosphate to form a phosphoric ester group during cross-linking were evaluated through 31P solid-state NMR and XPS studies. Interestingly, the 3D-printed structures showed high structural stability under both compression and tensile load in both dry and wet conditions, with high water absorption (5408.33 %) and swelling capacity of 700 %. The structures show improved methylene blue (MB) remediation capabilities with a maximum removal efficiency of 99 % for 10-200 mg/L and more than seven times reusability. This work provides a green, facile and energy-efficient strategy for fabricating PCs with easy processability through additive manufacturing techniques for producing value-added products, opening up new avenues for high-performance applications.
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Affiliation(s)
- Rahul Ranjan
- School of Biochemical Engineering, Indian Institute of Technology (BHU), Varanasi, Uttar Pradesh 221005, India
| | - Rohit Rai
- School of Biochemical Engineering, Indian Institute of Technology (BHU), Varanasi, Uttar Pradesh 221005, India
| | - Kaustubh Naik
- Department of Physics, Indian Institute of Technology (BHU), Varanasi, Uttar Pradesh 221005, India
| | - Avanish Singh Parmar
- Department of Physics, Indian Institute of Technology (BHU), Varanasi, Uttar Pradesh 221005, India
| | - Prodyut Dhar
- School of Biochemical Engineering, Indian Institute of Technology (BHU), Varanasi, Uttar Pradesh 221005, India.
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14
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Naik MUD. Adsorbents for the Uranium Capture from Seawater for a Clean Energy Source and Environmental Safety: A Review. ACS OMEGA 2024; 9:12380-12402. [PMID: 38524451 PMCID: PMC10956418 DOI: 10.1021/acsomega.3c07961] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/11/2023] [Revised: 01/27/2024] [Accepted: 02/01/2024] [Indexed: 03/26/2024]
Abstract
On the global level, uranium is considered the main nuclear energy source, and its removal from terrestrial ores is enough to last until the end of the current century. Therefore, a major focus is attracted toward the capture of uranium from a sustainable source (seawater). Uranium recovery from seawater has been reported over the last few decades, and recently many efforts have been devoted to the preparation of such adsorbents with higher selectivity and adsorption capacity. The purpose of this review is to report the advancement in adsorbent preparation and modification of porous materials. It also discusses challenges such as adsorbent selectivity, low uranium concentration in seawater, contact time, biofouling, and the solution to the problems necessary to ensure a better adsorption performance of the adsorbent.
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Affiliation(s)
- Mehraj-ud-din Naik
- Department of Chemical Engineering,
College of Engineering, Jazan University, Jazan 45142, Kingdom of Saudi Arabia
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15
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Jaouahar M, Ablouh EH, Hanani Z, Jaklič B, Spreitzer M, Semlali FZ, Ait Benhamou A, Samih Y, El Achaby M, Sehaqui H. Preparation and characterization of sulfated nanocellulose: From hydrogels to highly transparent films. Int J Biol Macromol 2024; 260:129464. [PMID: 38232892 DOI: 10.1016/j.ijbiomac.2024.129464] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2023] [Revised: 01/05/2024] [Accepted: 01/11/2024] [Indexed: 01/19/2024]
Abstract
This study focuses on the production of sulfated cellulose microfibers and nanocellulose hydrogels from native cellulose microfibers (CMF). The process involves using a combination of H2SO4 and urea, resulting in highly sulfated cellulose microfiber hydrogel (SC) with notable properties such as a sulfur content of 7.5 %, a degree of sulfation of 0.49, a surface charge content of 2.2 mmol. g-1, and a high yield of 81 %. The SC hydrogel can be easily fibrillated into sulfated nanocellulose hydrogel (S-NC) with elongated nanocellulose structures having an average diameter of 6.85 ± 3.11 nm, as determined using atomic force microscopy (AFM). X-ray photoelectron spectroscopy (XPS) analysis confirms the presence of sulfate groups on the surface of the nanocellulose material. Transparent films with good mechanical properties can be produced from both cellulose microfiber and nanocellulose hydrogels. The sulfate functionality gives the hydrogel attractive rheological properties and makes S-NC re-dispersible in water, which can be beneficial for various applications. This study demonstrates the potential of this process to address previous challenges related to nanocellulose materials production.
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Affiliation(s)
- Mohamed Jaouahar
- Materials Science, Energy, and Nanoengineering (MSN) Department, Mohammed VI Polytechnic University (UM6P), Lot 660 - Hay Moulay Rachid, 43150 Benguerir, Morocco.
| | - El-Houssaine Ablouh
- Materials Science, Energy, and Nanoengineering (MSN) Department, Mohammed VI Polytechnic University (UM6P), Lot 660 - Hay Moulay Rachid, 43150 Benguerir, Morocco.
| | - Zouhair Hanani
- Advanced Materials Department, Jožef Stefan Institute, Jamova cesta 39, 1000 Ljubljana, Slovenia
| | - Blaž Jaklič
- Advanced Materials Department, Jožef Stefan Institute, Jamova cesta 39, 1000 Ljubljana, Slovenia; Jožef Stefan International Postgraduate School, Jamova cesta 39, 1000, Ljubljana, Slovenia
| | - Matjaz Spreitzer
- Advanced Materials Department, Jožef Stefan Institute, Jamova cesta 39, 1000 Ljubljana, Slovenia
| | - Fatima-Zahra Semlali
- Materials Science, Energy, and Nanoengineering (MSN) Department, Mohammed VI Polytechnic University (UM6P), Lot 660 - Hay Moulay Rachid, 43150 Benguerir, Morocco
| | - Anass Ait Benhamou
- Materials Science, Energy, and Nanoengineering (MSN) Department, Mohammed VI Polytechnic University (UM6P), Lot 660 - Hay Moulay Rachid, 43150 Benguerir, Morocco
| | - Youssef Samih
- Materials Science, Energy, and Nanoengineering (MSN) Department, Mohammed VI Polytechnic University (UM6P), Lot 660 - Hay Moulay Rachid, 43150 Benguerir, Morocco
| | - Mounir El Achaby
- Materials Science, Energy, and Nanoengineering (MSN) Department, Mohammed VI Polytechnic University (UM6P), Lot 660 - Hay Moulay Rachid, 43150 Benguerir, Morocco
| | - Houssine Sehaqui
- Materials Science, Energy, and Nanoengineering (MSN) Department, Mohammed VI Polytechnic University (UM6P), Lot 660 - Hay Moulay Rachid, 43150 Benguerir, Morocco.
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16
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Song WM, Zhang LY, Li P, Ni YP, Liu Y. The fabrication of flame-retardant viscose fabrics with phytic acid-based flame retardants: Balancing efficient flame retardancy and tensile strength. Int J Biol Macromol 2024; 260:129596. [PMID: 38253158 DOI: 10.1016/j.ijbiomac.2024.129596] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2023] [Revised: 01/09/2024] [Accepted: 01/17/2024] [Indexed: 01/24/2024]
Abstract
Viscose fabrics have been widely used in various applications, but their potential fire hazard has been a concern. To address this issue, improving the flame retardancy of viscose fabrics has become a significant priority. Phytic acid (PA) and xylitol were used to create a novel flame retardant, PAXY. PAXY was finished on viscose fabrics by pad-dry-curing process, and the performance of coated viscose fabrics was investigated. The results showed that the limiting oxygen index value of PAXY13-100 (fabrics finished with a 100 g/L flame-retardant solution and the flame retardant synthesized by a 1: 3 M ratio of PA to xylitol) reached 32.8 % and the heat release rate value was decreased by 77 %. Based on the findings from the analysis of both the gas phase and condensed phase products, PAXY promoted the dehydration of viscose fabrics to produce a denser char layer, which inhibited the production of flammable gases. Surprisingly, the breaking force retention of PAXY13-100 reached 90 % in warp and 114 % in weft. Compared with that of 100 g/L PA-treated fabrics, the breaking force of PAXY13-100 increased by nearly 400 %. This work provides a new strategy for PA-based flame-retardant finishing with the synergy of flame retardancy and breaking force retention.
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Affiliation(s)
- Wan-Meng Song
- College of Textiles & Clothing, Institute of Functional Textiles and Advanced Materials, National Engineering Research Center for Advanced Fire-Safety Materials D & A (Shandong), State Key Laboratory of Bio-Fibers and Eco-textiles, Qingdao Key Laboratory of Flame-Retardant Textile Materials, Qingdao University, Qingdao 266071, China
| | - Li-Yao Zhang
- College of Textiles & Clothing, Institute of Functional Textiles and Advanced Materials, National Engineering Research Center for Advanced Fire-Safety Materials D & A (Shandong), State Key Laboratory of Bio-Fibers and Eco-textiles, Qingdao Key Laboratory of Flame-Retardant Textile Materials, Qingdao University, Qingdao 266071, China
| | - Ping Li
- College of Textiles & Clothing, Institute of Functional Textiles and Advanced Materials, National Engineering Research Center for Advanced Fire-Safety Materials D & A (Shandong), State Key Laboratory of Bio-Fibers and Eco-textiles, Qingdao Key Laboratory of Flame-Retardant Textile Materials, Qingdao University, Qingdao 266071, China
| | - Yan-Peng Ni
- College of Textiles & Clothing, Institute of Functional Textiles and Advanced Materials, National Engineering Research Center for Advanced Fire-Safety Materials D & A (Shandong), State Key Laboratory of Bio-Fibers and Eco-textiles, Qingdao Key Laboratory of Flame-Retardant Textile Materials, Qingdao University, Qingdao 266071, China.
| | - Yun Liu
- College of Textiles & Clothing, Institute of Functional Textiles and Advanced Materials, National Engineering Research Center for Advanced Fire-Safety Materials D & A (Shandong), State Key Laboratory of Bio-Fibers and Eco-textiles, Qingdao Key Laboratory of Flame-Retardant Textile Materials, Qingdao University, Qingdao 266071, China.
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17
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Etale A, Onyianta AJ, Eloi JC, Rowlandson J, Eichhorn SJ. Phosphorylated cellulose nanocrystals: Optimizing production by decoupling hydrolysis and surface modification. Carbohydr Polym 2024; 325:121560. [PMID: 38008482 DOI: 10.1016/j.carbpol.2023.121560] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2023] [Revised: 10/29/2023] [Accepted: 11/02/2023] [Indexed: 11/28/2023]
Abstract
Urea and phosphoric acid are essential for the isolation of phosphorylated cellulose nanocrystals (CNCs). Besides limiting dissolution of nanocrystals, urea facilitates the swelling of fibres thus increasing access for the phosphorylating agent. The aim of this study was to determine optimal conditions for isolation of highly charged phosphorylated CNCs. Using a design of experiments approach, seventeen experiments in which reaction time, urea, and acid concentrations were varied, were conducted. A two-step process was used, in which CNCs were first isolated by treatment in phosphoric acid, and then treated with metaphosphoric acid, and urea. It is shown that a design of experiments approach to the phosphorylation of CNCs allows a much lower ratio of urea to acid than has previously been reported. CNCs with high surface charge (~1800 mmol kg-1) are possible using this method. This information is instructive to phosphorylation of cellulose nanomaterials which have a variety of applications e.g., water purification and medical biomaterials.
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Affiliation(s)
- Anita Etale
- Bristol Composites Institute, School of Civil, Aerospace and Design Engineering, University of Bristol, Bristol, BS8 1TR, UK
| | - Amaka J Onyianta
- Bristol Composites Institute, School of Civil, Aerospace and Design Engineering, University of Bristol, Bristol, BS8 1TR, UK
| | | | - Jemma Rowlandson
- Bristol Composites Institute, School of Civil, Aerospace and Design Engineering, University of Bristol, Bristol, BS8 1TR, UK; School of Electrical, Electronic and Mechanical Engineering, University of Bristol, Bristol, BS8 1TR, UK
| | - Stephen J Eichhorn
- Bristol Composites Institute, School of Civil, Aerospace and Design Engineering, University of Bristol, Bristol, BS8 1TR, UK.
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18
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Liu Q, Li Q, Hatakeyama M, Kitaoka T. Proliferation and differential regulation of osteoblasts cultured on surface-phosphorylated cellulose nanofiber scaffolds. Int J Biol Macromol 2023; 253:126842. [PMID: 37703974 DOI: 10.1016/j.ijbiomac.2023.126842] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2023] [Revised: 08/31/2023] [Accepted: 09/08/2023] [Indexed: 09/15/2023]
Abstract
Phosphorus-containing polymers have received much attention for their excellent ability to regulate bone cell differentiation and calcification. Given the increasing concern about environmental issues, it is promising to utilize "green" biomaterials to construct novel cell culture scaffolds for bone tissue engineering. Herein, surface-phosphorylated cellulose nanofibers (P-CNFs) were fabricated as a novel green candidate for osteoblast culture. Compared with native CNF, P-CNFs possessed shorter fiber morphology with tunable phosphate group content (0-1.42 mmol/g). The zeta-potential values of CNFs were enhanced after phosphorylation, resulting in the formation of uniform and stable scaffolds. The cell culture behavior of mouse osteoblast (MC3T3-E1) cells showed a clear phosphate content-dependent cell proliferation. The osteoblast cells adhered well and proliferated efficiently on P-CNF0.78 and P-CNF1.05, with phosphate contents of 0.78 and 1.05 mmol/g, respectively, whereas the cells grown on native CNF substrate formed aggregates due to poor cell attachment and exhibited limited cell proliferation. In addition, the P-CNF substrates with optimal phosphate content provided a favorable cellular microenvironment and significantly promoted osteogenic differentiation and calcification, even in the absence of a differentiation inducer. The bio-based P-CNFs are expected to mimic the bone components and provide a means to regulate osteoblast proliferation and differentiation in bone tissue engineering.
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Affiliation(s)
- Qimei Liu
- Department of Agro-Environmental Sciences, Graduate School of Bioresource and Bioenvironmental Sciences, Kyushu University, Fukuoka 819-0395, Japan
| | - Qi Li
- Department of Agro-Environmental Sciences, Graduate School of Bioresource and Bioenvironmental Sciences, Kyushu University, Fukuoka 819-0395, Japan
| | - Mayumi Hatakeyama
- Department of Agro-Environmental Sciences, Graduate School of Bioresource and Bioenvironmental Sciences, Kyushu University, Fukuoka 819-0395, Japan
| | - Takuya Kitaoka
- Department of Agro-Environmental Sciences, Graduate School of Bioresource and Bioenvironmental Sciences, Kyushu University, Fukuoka 819-0395, Japan.
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19
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Tavakoli M, Mazela B, Grześkowiak W, Proch J, Mleczek M, Perdoch W. The Strength and Fire Properties of Paper Sheets Made of Phosphorylated Cellulose Fibers. Molecules 2023; 29:133. [PMID: 38202716 PMCID: PMC10779685 DOI: 10.3390/molecules29010133] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2023] [Revised: 12/17/2023] [Accepted: 12/22/2023] [Indexed: 01/12/2024] Open
Abstract
Phosphorylated cellulose can be an intrinsic flame retardant and a promising alternative for halogenated fire inhibitors. In this study, the mixture of di-ammonium hydrogen phosphate (DAP) and urea (U), containing phosphate and nitrogen groups, was applied to attain fire inhibitor properties. Functional groups of cellulose were grafted with phosphorous by keeping the constant molar ratio of 1/1.2/4.9 between anhydroglucose units of cellulose/DAP/U in different concentrations of bleached kraft pulp. Phosphorus concentrations were determined using the ICP hrOES method, and paper sheets were made using the Rapid Köthen apparatus. The tensile strength of phosphorylated cellulose increased twice compared with unmodified cellulose when the phosphorous concentration increased to 10,000 g/kg. An increase in the tensile index comes from the higher freeness of pulp and cross-linking of the phosphorous group between cellulose fibers. Remarkable fire retardancy effects were achieved in cellulose concentrations above 5 wt%. The raised phosphorous concentration above 10,000 g/kg due to the phosphorylation process caused the formation of a char layer on a cellulose surface and the nonflammable gas emission. That effect was indirectly confirmed by reducing the combustion temperature and HRR by 50 and 45%, respectively. Due to increasing phosphorus concentration in cellulose sheets, cellulose's fire and strength properties increased significantly.
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Affiliation(s)
- Mehrnoosh Tavakoli
- Faculty of Forestry and Wood Technology, Poznan University of Life Sciences, Wojska Polskiego 28, 60-637 Poznan, Poland; (M.T.); (W.G.); (M.M.); (W.P.)
- Department of Pulp and Paper Technology, Gorgan University of Agricultural Sciences & Natural Resources, Gorgan 4913815739, Iran
| | - Bartłomiej Mazela
- Faculty of Forestry and Wood Technology, Poznan University of Life Sciences, Wojska Polskiego 28, 60-637 Poznan, Poland; (M.T.); (W.G.); (M.M.); (W.P.)
| | - Wojciech Grześkowiak
- Faculty of Forestry and Wood Technology, Poznan University of Life Sciences, Wojska Polskiego 28, 60-637 Poznan, Poland; (M.T.); (W.G.); (M.M.); (W.P.)
| | - Jędrzej Proch
- Faculty of Chemistry, Adam Mickiewicz University, 89B Umultowska Street, 61-614 Poznan, Poland;
| | - Mirosław Mleczek
- Faculty of Forestry and Wood Technology, Poznan University of Life Sciences, Wojska Polskiego 28, 60-637 Poznan, Poland; (M.T.); (W.G.); (M.M.); (W.P.)
| | - Waldemar Perdoch
- Faculty of Forestry and Wood Technology, Poznan University of Life Sciences, Wojska Polskiego 28, 60-637 Poznan, Poland; (M.T.); (W.G.); (M.M.); (W.P.)
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20
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Jing S, Wu L, Siciliano AP, Chen C, Li T, Hu L. The Critical Roles of Water in the Processing, Structure, and Properties of Nanocellulose. ACS NANO 2023; 17:22196-22226. [PMID: 37934794 DOI: 10.1021/acsnano.3c06773] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/09/2023]
Abstract
The cellulose industry depends heavily on water owing to the hydrophilic nature of cellulose fibrils and its potential for sustainable and innovative production methods. The emergence of nanocellulose, with its excellent properties, and the incorporation of nanomaterials have garnered significant attention. At the nanoscale level, nanocellulose offers a higher exposure of hydroxyl groups, making it more intimate with water than micro- and macroscale cellulose fibers. Gaining a deeper understanding of the interaction between nanocellulose and water holds the potential to reduce production costs and provide valuable insights into designing functional nanocellulose-based materials. In this review, water molecules interacting with nanocellulose are classified into free water (FW) and bound water (BW), based on their interaction forces with surface hydroxyls and their mobility in different states. In addition, the water-holding capacity of cellulosic materials and various water detection methods are also discussed. The review also examines water-utilization and water-removal methods in the fabrication, dispersion, and transport of nanocellulose, aiming to elucidate the challenges and tradeoffs in these processes while minimizing energy and time costs. Furthermore, the influence of water on nanocellulose properties, including mechanical properties, ion conductivity, and biodegradability, are discussed. Finally, we provide our perspective on the challenges and opportunities in developing nanocellulose and its interplay with water.
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Affiliation(s)
- Shuangshuang Jing
- Department of Materials Science and Engineering, University of Maryland, College Park, Maryland 20742, United States
| | - Lianping Wu
- Department of Mechanical Engineering, University of Maryland, College Park, Maryland 20742, United States
| | - Amanda P Siciliano
- Department of Materials Science and Engineering, University of Maryland, College Park, Maryland 20742, United States
| | - Chaoji Chen
- Department of Materials Science and Engineering, University of Maryland, College Park, Maryland 20742, United States
| | - Teng Li
- Department of Mechanical Engineering, University of Maryland, College Park, Maryland 20742, United States
| | - Liangbing Hu
- Department of Materials Science and Engineering, University of Maryland, College Park, Maryland 20742, United States
- Center for Materials Innovation, University of Maryland, College Park, Maryland 20742, United States
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21
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Horie M, Fujita K, Endoh S, Sugino S, Maru J, Moriyama A, Ogura I. Contaminant microorganisms in the in vitro evaluation of cellular responses of cellulose nanofibers and their microbial inactivation using gamma irradiation. Toxicol Mech Methods 2023; 33:741-754. [PMID: 37496379 DOI: 10.1080/15376516.2023.2238061] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2023] [Revised: 06/09/2023] [Accepted: 06/09/2023] [Indexed: 07/28/2023]
Abstract
Cellulose nanofibers (CNFs) are fibrous nanomaterials produced from plants. Since some nanomaterials are toxic, toxicity evaluation, including in vitro examinations using cultured cells, is essential for the effective use of CNFs. On the other hand, microorganisms in the environment can contaminate CNF suspensions. The contamination of CNF samples and the effects of contaminating microorganisms on in vitro examinations were investigated in this study. Microorganism contamination in CNF samples was examined, and microbial inactivation of CNF suspensions using gamma irradiation was evaluated. After gamma-ray irradiation at absorbed doses of 0.5, 1, 5, and 10 kGy, the cellular effects of CNF suspensions were examined using 6 types of cultured cell, HaCaT, A549, Caco-2, MeT-5A, THP-1, and NR8383 cells. CNF samples were contaminated with bacteria and CNF suspensions exhibited endotoxin activity. Gamma irradiation effectively inactivated the microorganisms contained in the CNF suspensions. When the absorbed dose was 10 kGy, the fiber length of CNF was shortened, but the effect on CNF was small at 1.0 kGy or less. CNF suspensions showed lipopolysaccharides (LPS)-like cellular responses and strongly induced interleukin-8, especially in macrophages. Absorbed doses of at least 10 kGy did not affect the LPS-like activity. In this study, it was shown that the CNF suspension may be contaminated with microorganisms. Gamma irradiation was effective for microbial inactivation of suspension for invitor toxicity evaluation of CNF. In vitro evaluation of CNFs requires attention to the effects of contaminants such as LPS.
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Affiliation(s)
- Masanori Horie
- Health and Medical Research Institute, National Institute of Advanced Industrial Science and Technology (AIST), Takamatsu, Kagawa, Japan
| | - Katsuhide Fujita
- Research Institute of Science for Safety and Sustainability, National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba, Ibaraki, Japan
| | - Shigehisa Endoh
- Research Institute of Science for Safety and Sustainability, National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba, Ibaraki, Japan
| | - Sakiko Sugino
- Health and Medical Research Institute, National Institute of Advanced Industrial Science and Technology (AIST), Takamatsu, Kagawa, Japan
| | - Junko Maru
- Research Institute of Science for Safety and Sustainability, National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba, Ibaraki, Japan
| | - Akihiro Moriyama
- Research Institute of Science for Safety and Sustainability, National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba, Ibaraki, Japan
| | - Isamu Ogura
- Research Institute of Science for Safety and Sustainability, National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba, Ibaraki, Japan
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22
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Wang D, Huang J, Zhang H, Gu TJ, Li L. Cotton Ti-IMAC: Developing Phosphorylated Cotton as a Novel Platform for Phosphopeptide Enrichment. ACS APPLIED MATERIALS & INTERFACES 2023; 15:47893-47901. [PMID: 37812448 PMCID: PMC10730235 DOI: 10.1021/acsami.3c08697] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/10/2023]
Abstract
Protein phosphorylation is an important post-translational modification (PTM), which is involved in many important cellular functions. Understanding protein phosphorylation at the molecular level is critical to deciphering its relevant biological processes and signaling networks. Mass spectrometry (MS) has become a powerful tool for the comprehensive profiling of protein phosphorylation. Yet the low ionization efficiency and low abundance of phosphopeptides among complex biological samples make its MS analysis challenging; an enrichment strategy with high efficiency and selectivity is always necessary prior to MS analysis. In this study, we developed a phosphorylated cotton-fiber-based Ti(IV)-IMAC material (termed as Cotton Ti-IMAC) that can serve as a novel platform for phosphopeptide enrichment. The cotton fiber can be effectively grafted with phosphate groups covalently in a single step, where the titanium ions can then be immobilized to enable capturing phosphopeptides. The material can be prepared using cost-effective reagents within only 4 h. Benefiting from the flexibility and filterability of cotton fibers, the material can be easily packed as a spin-tip and make the enrichment process convenient. Cotton Ti-IMAC successfully enriched phosphopeptides from protein standard digests and exhibited a high selectivity (BSA/β-casein = 1000:1) and excellent sensitivity (0.1 fmol/μL). Moreover, 2354 phosphopeptides were profiled in one LC-MS/MS injection after enriching from only 100 μg of HeLa cell digests with an enrichment specificity of up to 97.51%. Taken together, we believe that Cotton Ti-IMAC can serve as a widely applicable and robust platform for achieving large-scale phosphopeptide enrichment and expanding our knowledge of phosphoproteomics in complex biological systems.
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Affiliation(s)
- Danqing Wang
- Department of Chemistry, University of Wisconsin-Madison, Madison, WI 53706, USA
| | - Junfeng Huang
- School of Pharmacy, University of Wisconsin-Madison, Madison, WI 53705, USA
- CAS Key Laboratory of Regenerative Biology, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou, Guangdong, 510530, China
- Guangzhou Laboratory, Guangzhou, Guangdong, 510005, China
| | - Haoran Zhang
- Department of Chemistry, University of Wisconsin-Madison, Madison, WI 53706, USA
| | - Ting-Jia Gu
- School of Pharmacy, University of Wisconsin-Madison, Madison, WI 53705, USA
| | - Lingjun Li
- Department of Chemistry, University of Wisconsin-Madison, Madison, WI 53706, USA
- School of Pharmacy, University of Wisconsin-Madison, Madison, WI 53705, USA
- Lachman Institute for Pharmaceutical Development, School of Pharmacy, University of Wisconsin-Madison, Madison, WI 53705, USA
- Wisconsin Center for NanoBioSystems, School of Pharmacy, University of Wisconsin-Madison, Madison, WI 53705, USA
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23
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Yadav C, Lee JM, Mohanty P, Li X, Jang WD. Graft onto approaches for nanocellulose-based advanced functional materials. NANOSCALE 2023; 15:15108-15145. [PMID: 37712254 DOI: 10.1039/d3nr03087c] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/16/2023]
Abstract
The resurgence of cellulose as nano-dimensional 'nanocellulose' has unlocked a sustainable bioeconomy for the development of advanced functional biomaterials. Bestowed with multifunctional attributes, such as renewability and abundance of its source, biodegradability, biocompatibility, superior mechanical, optical, and rheological properties, tunable self-assembly and surface chemistry, nanocellulose presents exclusive opportunities for a wide range of novel applications. However, to alleviate its intrinsic hydrophilicity-related constraints surface functionalization is inevitably needed to foster various targeted applications. The abundant surface hydroxyl groups on nanocellulose offer opportunities for grafting small molecules or macromolecular entities using either a 'graft onto' or 'graft from' approach, resulting in materials with distinctive functionalities. Most of the reviews published to date extensively discussed 'graft from' modification approaches, however 'graft onto' approaches are not well discussed. Hence, this review aims to provide a comprehensive summary of 'graft onto' approaches. Furthermore, insight into some of the recently emerging applications of this grafted nanocellulose including advanced nanocomposite formulation, stimuli-responsive materials, bioimaging, sensing, biomedicine, packaging, and wastewater treatment has also been reviewed.
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Affiliation(s)
- Chandravati Yadav
- Department of Chemistry, Yonsei University, 50 Yonsei-ro, Seodaemun-gu, 03722 Seoul, Republic of Korea.
| | - Jeong-Min Lee
- Department of Chemistry, Yonsei University, 50 Yonsei-ro, Seodaemun-gu, 03722 Seoul, Republic of Korea.
| | - Paritosh Mohanty
- Functional Materials Laboratory, Department of Chemistry, IIT Roorkee, Roorkee 247667, Uttarakhand, India
| | - Xinping Li
- College of Bioresources Chemical and Materials Engineering, Shaanxi University of Science & Technology, Xi'an, Shaanxi 710021, PR China
| | - Woo-Dong Jang
- Department of Chemistry, Yonsei University, 50 Yonsei-ro, Seodaemun-gu, 03722 Seoul, Republic of Korea.
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24
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Zhao Y, Zeng Q, Lai X, Li H, Zhao Y, Li K, Jiang C, Zeng X. Multifunctional cellulose-based aerogel for intelligent fire fighting. Carbohydr Polym 2023; 316:121060. [PMID: 37321743 DOI: 10.1016/j.carbpol.2023.121060] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2023] [Revised: 05/22/2023] [Accepted: 05/23/2023] [Indexed: 06/17/2023]
Abstract
Multifunctional biomass-based aerogels with mechanically robust and high fire safety are urgently needed for the development of environmentally-friendly intelligent fire fighting but challenging. Herein, a novel polymethylsilsesquioxane (PMSQ)/cellulose/MXene composite aerogel (PCM) with superior comprehensive performance was fabricated by ice-induced assembly and in-situ mineralization. It exhibited light weight (16.2 mg·cm-3), excellent mechanical resilience, and rapidly recovered after being subjected to the pressure of 9000 times of its own weight. Moreover, PCM demonstrated outstanding thermal insulation, hydrophobicity and sensitive piezoresistive sensing. In addition, benefiting from the synergism of PMSQ and MXene, PCM displayed good flame retardancy and improved thermostability. The limiting oxygen index of PCM was higher than 45.0 %, and it quickly self-extinguished after being removed away from fire. More importantly, the rapid electrical resistance reduction of MXene at high temperature endowed PCM with sensitive fire-warning capability (trigger time was less than 1.8 s), which provided valuable time for people to evacuate and relief. This work provides new insights for the preparation and application of the next-generation high performance biomass-based aerogels.
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Affiliation(s)
- Yinan Zhao
- School of Materials Science and Engineering, Key Lab of Guangdong Province for High Property and Functional Polymer Materials, South China University of Technology, No 381, Wushan Road, Tianhe District, Guangzhou 510640, China
| | - Qingtao Zeng
- School of Materials Science and Engineering, Key Lab of Guangdong Province for High Property and Functional Polymer Materials, South China University of Technology, No 381, Wushan Road, Tianhe District, Guangzhou 510640, China
| | - Xuejun Lai
- School of Materials Science and Engineering, Key Lab of Guangdong Province for High Property and Functional Polymer Materials, South China University of Technology, No 381, Wushan Road, Tianhe District, Guangzhou 510640, China.
| | - Hongqiang Li
- School of Materials Science and Engineering, Key Lab of Guangdong Province for High Property and Functional Polymer Materials, South China University of Technology, No 381, Wushan Road, Tianhe District, Guangzhou 510640, China
| | - Ying Zhao
- School of Materials Science and Engineering, Key Lab of Guangdong Province for High Property and Functional Polymer Materials, South China University of Technology, No 381, Wushan Road, Tianhe District, Guangzhou 510640, China
| | - Kunquan Li
- School of Materials Science and Engineering, Dongguan University of Technology, Dongguan 523808, Guangdong, China
| | - Changcheng Jiang
- School of Materials Science and Engineering, Key Lab of Guangdong Province for High Property and Functional Polymer Materials, South China University of Technology, No 381, Wushan Road, Tianhe District, Guangzhou 510640, China
| | - Xingrong Zeng
- School of Materials Science and Engineering, Key Lab of Guangdong Province for High Property and Functional Polymer Materials, South China University of Technology, No 381, Wushan Road, Tianhe District, Guangzhou 510640, China.
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25
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Larina L. C- and N-Phosphorylated Enamines-An Avenue to Heterocycles: NMR Spectroscopy. Int J Mol Sci 2023; 24:ijms24119646. [PMID: 37298598 DOI: 10.3390/ijms24119646] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2023] [Revised: 05/25/2023] [Accepted: 05/28/2023] [Indexed: 06/12/2023] Open
Abstract
The review presents extensive data (from the works of the author and literature) on the structure of C- and N-chlorophosphorylated enamines and the related heterocycles obtained by multipulse multinuclear 1H, 13C, and 31P NMR spectroscopy. The use of phosphorus pentachloride as a phosphorylating agent for functional enamines enables the synthesis of various C- and N-phosphorylated products that are heterocyclized to form various promising nitrogen- and phosphorus-containing heterocyclic systems. 31P NMR spectroscopy is the most convenient, reliable and unambiguous method for the study and identification of organophosphorus compounds with different coordination numbers of the phosphorus atom, as well as for the determination of their Z- and E-isomeric forms. An alteration of the coordination number of the phosphorus atom in the phosphorylated compounds from 3 to 6 leads to a drastic screening of the 31P nucleus from about +200 to -300 ppm. The unique structural features of nitrogen-phosphorus-containing heterocyclic compounds are discussed.
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Affiliation(s)
- Lyudmila Larina
- A. E. Favorsky Irkutsk Institute of Chemistry, Siberian Branch of the Russian Academy of Sciences, 1 Favorsky St., 664033 Irkutsk, Russia
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26
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Benselfelt T, Kummer N, Nordenström M, Fall AB, Nyström G, Wågberg L. The Colloidal Properties of Nanocellulose. CHEMSUSCHEM 2023; 16:e202201955. [PMID: 36650954 DOI: 10.1002/cssc.202201955] [Citation(s) in RCA: 13] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/20/2022] [Revised: 01/16/2023] [Indexed: 06/17/2023]
Abstract
Nanocelluloses are anisotropic nanoparticles of semicrystalline assemblies of glucan polymers. They have great potential as renewable building blocks in the materials platform of a more sustainable society. As a result, the research on nanocellulose has grown exponentially over the last decades. To fully utilize the properties of nanocelluloses, a fundamental understanding of their colloidal behavior is necessary. As elongated particles with dimensions in a critical nanosize range, their colloidal properties are complex, with several behaviors not covered by classical theories. In this comprehensive Review, we describe the most prominent colloidal behaviors of nanocellulose by combining experimental data and theoretical descriptions. We discuss the preparation and characterization of nanocellulose dispersions, how they form networks at low concentrations, how classical theories cannot describe their behavior, and how they interact with other colloids. We then show examples of how scientists can use this fundamental knowledge to control the assembly of nanocellulose into new materials with exceptional properties. We hope aspiring and established researchers will use this Review as a guide.
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Affiliation(s)
- Tobias Benselfelt
- Department of Fibre and Polymer Technology, KTH Royal Institute of Technology, 100 44, Stockholm, Sweden
- Wallenberg Wood Science Center, KTH Royal Institute of Technology, 100 44, Stockholm, Sweden
- School of Materials Science and Engineering, Nanyang Technological University, 639798, Singapore, Singapore
| | - Nico Kummer
- Laboratory for Cellulose & Wood Materials, Empa - Swiss Federal Laboratories for Materials Science and Technology, Überlandstrasse 129, 8600, Dübendorf, Switzerland
- Department of Health Sciences and Technology, ETH Zürich, 8092, Zürich, Switzerland
| | - Malin Nordenström
- Department of Fibre and Polymer Technology, KTH Royal Institute of Technology, 100 44, Stockholm, Sweden
- Wallenberg Wood Science Center, KTH Royal Institute of Technology, 100 44, Stockholm, Sweden
| | | | - Gustav Nyström
- Laboratory for Cellulose & Wood Materials, Empa - Swiss Federal Laboratories for Materials Science and Technology, Überlandstrasse 129, 8600, Dübendorf, Switzerland
- Department of Health Sciences and Technology, ETH Zürich, 8092, Zürich, Switzerland
| | - Lars Wågberg
- Department of Fibre and Polymer Technology, KTH Royal Institute of Technology, 100 44, Stockholm, Sweden
- Wallenberg Wood Science Center, KTH Royal Institute of Technology, 100 44, Stockholm, Sweden
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27
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Won JS, Prasad C, Jeong SG, Rosaiah P, Reddy AS, Ahmad Z, Sangaraju S, Choi HY. Recent advances in the development of MXenes/cellulose based composites: A review. Int J Biol Macromol 2023; 240:124477. [PMID: 37076072 DOI: 10.1016/j.ijbiomac.2023.124477] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2022] [Revised: 04/09/2023] [Accepted: 04/12/2023] [Indexed: 04/21/2023]
Abstract
Over the past few years, transition metal carbides, nitrides, and carbonitrides, commonly referred to as MXenes have been discovered and utilized quickly in a range of technical fields due to their distinctive and controlled characteristics. MXenes are a new class of two-dimensional (2D) materials that have found extensive use in a variety of fields, including energy storage, catalysis, sensing, biology, and other scientific disciplines. This is because of their exceptional mechanical and structural characteristics, metal electrical conductivity, and other outstanding physical and chemical properties. In this contribution, we review recent cellulose research advances and show that MXene hybrids are effective composites that benefit from cellulose superior water dispersibility and the electrostatic attraction between cellulose and MXene to prevent MXene accumulation and improve the composite's mechanical properties. Electrical, materials, chemical, mechanical, environmental, and biomedical engineering are all fields in which cellulose/MXene composites are used. These properties and applications-based reviews on MXene/cellulose composite, critically analyze the results and accomplishments in these fields and provide context for potential future research initiatives. It examines newly reported applications for cellulose nanocomposites assisted by MXene. To support their development and future applications, perspectives and difficulties are suggested in the conclusion.
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Affiliation(s)
- Jong Sung Won
- Defense Materials & Energy Technology Center, Agency for Defense Development, Daejeon 34060, Republic of Korea
| | - Cheera Prasad
- Department of Fashion Design, Dong-A University, Busan 49315, Republic of Korea
| | - Seong-Geun Jeong
- Bio-MAX Institute, Seoul National University, Seoul, Republic of Korea
| | - P Rosaiah
- Department of Physics, Saveetha School of Engineering, Saveetha Institute of Medical and Technical Sciences (SIMATS), Thandalam, Chennai 602 105, India
| | - A Subba Reddy
- Analytical Development Laboratory, Apicore LLC, NJ 08873, USA
| | - Zubair Ahmad
- Applied College, Mahala Campus, King Khalid University, P.O. Box 9004, Abha 61413, Saudi Arabia; Unit of Bee Research and Honey Production, Faculty of Science, King Khalid University, P.O. Box 9004, Abha 61413, Saudi Arabia
| | - Sambasivam Sangaraju
- National Water and Energy Center, United Arab Emirates University, Al Ain 15551, United Arab Emirates
| | - Hyeong Yeol Choi
- Department of Fashion Design, Dong-A University, Busan 49315, Republic of Korea.
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28
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Yagita T, Ito T, Hirano T, Toyomasu T, Hasegawa S, Saito T, Fujisawa S. Evaluating the Emulsifying Capacity of Cellulose Nanofibers Using Inverse Gas Chromatography. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2023; 39:4362-4369. [PMID: 36917026 DOI: 10.1021/acs.langmuir.2c03369] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/18/2023]
Abstract
Cellulose nanofibers (CNFs) are attracting increasing attention as emulsifiers owing to their high emulsifying capacity, biocompatibility, and biodegradability. The emulsifying capacity has been experimentally shown to depend not only on the type of oil but also on the chemical structure of the CNF surface. However, the theoretical relationship between these two factors and emulsification remains unclear, and therefore, industrial applications are limited. Here, we assess the desorption energy (DE) of CNFs from the oil surface in o/w emulsion for various CNF/oil combinations to understand the mechanism of emulsification. Two types of surface-carboxylated CNFs having different cationic counterions, namely, sodium and tetrabutylammonium ions, were used as emulsifiers. The surface free energies of the CNFs were evaluated using inverse gas chromatography, and the nonpolar Lifshitz-van der Waals γLW, electron-acceptor γ+, and electron-donor γ- components were obtained from the chromatography profiles based on the van Oss-Chaudhury-Good theory. CNF with tetrabutylammonium ions was found to have a higher γ+ component than CNF with sodium ions. Therefore, the emulsion stability improved with oils having high γ- components owing to the increase in the DE value; this was verified through both theoretical calculations using a fibrous model and experimental dynamic interfacial tension measurements. Our approach is useful for predicting the emulsifying capacity of CNFs, and it should contribute toward the design of novel CNF-based emulsions.
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Affiliation(s)
- Tomohito Yagita
- Department of Biomaterial Sciences, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Tokyo 113-8657, Japan
| | - Tomoki Ito
- Department of Biomaterial Sciences, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Tokyo 113-8657, Japan
| | - Takayuki Hirano
- Material Characterization Laboratories, Toray Research Center, Inc., Otsu 520-8567, Japan
| | - Takayuki Toyomasu
- Material Characterization Laboratories, Toray Research Center, Inc., Otsu 520-8567, Japan
| | - Sai Hasegawa
- Material Characterization Laboratories, Toray Research Center, Inc., Otsu 520-8567, Japan
| | - Tsuguyuki Saito
- Department of Biomaterial Sciences, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Tokyo 113-8657, Japan
| | - Shuji Fujisawa
- Department of Biomaterial Sciences, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Tokyo 113-8657, Japan
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29
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Lin CF, Karlsson O, Das O, Mensah RA, Mantanis GI, Jones D, Antzutkin ON, Försth M, Sandberg D. High Leach-Resistant Fire-Retardant Modified Pine Wood ( Pinus sylvestris L.) by In Situ Phosphorylation and Carbamylation. ACS OMEGA 2023; 8:11381-11396. [PMID: 37008136 PMCID: PMC10061617 DOI: 10.1021/acsomega.3c00146] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/09/2023] [Accepted: 03/02/2023] [Indexed: 06/19/2023]
Abstract
The exterior application of fire-retardant (FR) timber necessitates it to have high durability because of the possibility to be exposed to rainfall. In this study, water-leaching resistance of FR wood has been imparted by grafting phosphate and carbamate groups of the water-soluble FR additives ammonium dihydrogen phosphate (ADP)/urea onto the hydroxyl groups of wood polymers via vacuum-pressure impregnation, followed by drying/heating in hot air. A darker and more reddish wood surface was observed after the modification. Fourier transform infrared spectroscopy, X-ray photoelectron spectroscopy, solid-state 13C cross-polarization magic-angle-spinning nuclear magnetic resonance (13C CP-MAS NMR), and direct-excitation 31P MAS NMR suggested the formation of C-O-P covalent bonds and urethane chemical bridges. Scanning electron microscopy/energy-dispersive X-ray spectrometry suggested the diffusion of ADP/urea into the cell wall. The gas evolution analyzed by thermogravimetric analysis coupled with quadrupole mass spectrometry revealed a potential grafting reaction mechanism starting with the thermal decomposition of urea. Thermal behavior showed that the FR-modified wood lowered the main decomposition temperature and promoted the formation of char residues at elevated temperatures. The FR activity was preserved even after an extensive water-leaching test, confirmed by the limiting oxygen index (LOI) and cone calorimetry. The reduction of fire hazards was achieved through the increase of the LOI to above 80%, reduction of 30% of the peak heat release rate (pHRR2), reduction of smoke production, and a longer ignition time. The modulus of elasticity of FR-modified wood increased by 40% without significantly decreasing the modulus of rupture.
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Affiliation(s)
- Chia-feng Lin
- Wood
Science and Engineering, Department of Engineering Sciences and Mathematics, Luleå University of Technology, Forskargatan 1, SE-931 77 Skellefteå, Sweden
| | - Olov Karlsson
- Wood
Science and Engineering, Department of Engineering Sciences and Mathematics, Luleå University of Technology, Forskargatan 1, SE-931 77 Skellefteå, Sweden
| | - Oisik Das
- Structural
and Fire Engineering, Department of Civil, Environmental and Natural
Resources Engineering, Luleå University
of Technology, SE-971 87 Luleå, Sweden
| | - Rhoda Afriyie Mensah
- Structural
and Fire Engineering, Department of Civil, Environmental and Natural
Resources Engineering, Luleå University
of Technology, SE-971 87 Luleå, Sweden
| | - George I. Mantanis
- Laboratory
of Wood Science and Technology, Department of Forestry, Wood Sciences
and Design, University of Thessaly, GR-431 00 Karditsa, Greece
| | - Dennis Jones
- Wood
Science and Engineering, Department of Engineering Sciences and Mathematics, Luleå University of Technology, Forskargatan 1, SE-931 77 Skellefteå, Sweden
- Department
of Wood Processing and Biomaterials, Faculty of Forestry and Wood
Sciences, Czech University of Life Sciences
Prague, Praha 6-Suchdol, CZ-16521 Prague, Czech Republic
| | - Oleg N. Antzutkin
- Chemistry
of Interfaces, Department of Civil, Environmental and Natural Resources
Engineering, Luleå University of
Technology, SE-971 87 Luleå, Sweden
| | - Michael Försth
- Structural
and Fire Engineering, Department of Civil, Environmental and Natural
Resources Engineering, Luleå University
of Technology, SE-971 87 Luleå, Sweden
| | - Dick Sandberg
- Wood
Science and Engineering, Department of Engineering Sciences and Mathematics, Luleå University of Technology, Forskargatan 1, SE-931 77 Skellefteå, Sweden
- Department
of Wood Processing and Biomaterials, Faculty of Forestry and Wood
Sciences, Czech University of Life Sciences
Prague, Praha 6-Suchdol, CZ-16521 Prague, Czech Republic
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30
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Kröger M, Badara O, Pääkkönen T, Schlapp-Hackl I, Hietala S, Kontturi E. Efficient Isolation Method for Highly Charged Phosphorylated Cellulose Nanocrystals. Biomacromolecules 2023; 24:1318-1328. [PMID: 36749901 PMCID: PMC10015457 DOI: 10.1021/acs.biomac.2c01363] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/09/2023]
Abstract
Phosphorylation of cellulose nanocrystals (CNCs) has remained a marginal activity despite the undisputed application potential in flame-retardant materials, sustainable high-capacity ion-exchange materials, or substrates for biomineralization among others. This is largely due to strenuous extraction methods prone to a combination of poor reproducibility, low degrees of substitution, disappointing yields, and impractical reaction sequences. Here, we demonstrate an improved methodology relying on the modification routines for phosphorylated cellulose nanofibers and hydrolysis by gaseous HCl to isolate CNCs. This allows us to overcome the aforementioned shortcomings and to reliably and reproducibly extract phosphorylated CNCs with exceptionally high surface charge (∼2000 mmol/kg) in a straightforward routine that minimizes water consumption and maximizes yields. The CNCs were characterized by NMR, ζpotential, conductometric titration, thermogravimetry, elemental analysis, wide-angle X-ray scattering, transmission electron microscopy, and atomic force microscopy.
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Affiliation(s)
- Marcel Kröger
- Department
of Bioproducts and Biosystems, Aalto University, FI-00076 Aalto, Finland
| | - Olamide Badara
- Department
of Bioproducts and Biosystems, Aalto University, FI-00076 Aalto, Finland
| | - Timo Pääkkönen
- Department
of Bioproducts and Biosystems, Aalto University, FI-00076 Aalto, Finland
| | - Inge Schlapp-Hackl
- Department
of Bioproducts and Biosystems, Aalto University, FI-00076 Aalto, Finland
| | - Sami Hietala
- Department
of Chemistry, University of Helsinki, PB 55, FI-00014 Helsinki, Finland
| | - Eero Kontturi
- Department
of Bioproducts and Biosystems, Aalto University, FI-00076 Aalto, Finland
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31
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Solhi L, Guccini V, Heise K, Solala I, Niinivaara E, Xu W, Mihhels K, Kröger M, Meng Z, Wohlert J, Tao H, Cranston ED, Kontturi E. Understanding Nanocellulose-Water Interactions: Turning a Detriment into an Asset. Chem Rev 2023; 123:1925-2015. [PMID: 36724185 PMCID: PMC9999435 DOI: 10.1021/acs.chemrev.2c00611] [Citation(s) in RCA: 41] [Impact Index Per Article: 41.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
Modern technology has enabled the isolation of nanocellulose from plant-based fibers, and the current trend focuses on utilizing nanocellulose in a broad range of sustainable materials applications. Water is generally seen as a detrimental component when in contact with nanocellulose-based materials, just like it is harmful for traditional cellulosic materials such as paper or cardboard. However, water is an integral component in plants, and many applications of nanocellulose already accept the presence of water or make use of it. This review gives a comprehensive account of nanocellulose-water interactions and their repercussions in all key areas of contemporary research: fundamental physical chemistry, chemical modification of nanocellulose, materials applications, and analytical methods to map the water interactions and the effect of water on a nanocellulose matrix.
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Affiliation(s)
- Laleh Solhi
- Department of Bioproducts and Biosystems, Aalto University, EspooFI-00076, Finland
| | - Valentina Guccini
- Department of Bioproducts and Biosystems, Aalto University, EspooFI-00076, Finland
| | - Katja Heise
- Department of Bioproducts and Biosystems, Aalto University, EspooFI-00076, Finland
| | - Iina Solala
- Department of Bioproducts and Biosystems, Aalto University, EspooFI-00076, Finland
| | - Elina Niinivaara
- Department of Bioproducts and Biosystems, Aalto University, EspooFI-00076, Finland.,Department of Wood Science, University of British Columbia, Vancouver, British ColumbiaV6T 1Z4, Canada
| | - Wenyang Xu
- Department of Bioproducts and Biosystems, Aalto University, EspooFI-00076, Finland.,Laboratory of Natural Materials Technology, Åbo Akademi University, TurkuFI-20500, Finland
| | - Karl Mihhels
- Department of Bioproducts and Biosystems, Aalto University, EspooFI-00076, Finland
| | - Marcel Kröger
- Department of Bioproducts and Biosystems, Aalto University, EspooFI-00076, Finland
| | - Zhuojun Meng
- Department of Bioproducts and Biosystems, Aalto University, EspooFI-00076, Finland.,Wenzhou Institute, University of Chinese Academy of Sciences, Wenzhou325001, China
| | - Jakob Wohlert
- Wallenberg Wood Science Centre (WWSC), Department of Fibre and Polymer Technology, School of Engineering Sciences in Chemistry, Biotechnology and Health, KTH Royal Institute of Technology, 10044Stockholm, Sweden
| | - Han Tao
- Department of Bioproducts and Biosystems, Aalto University, EspooFI-00076, Finland
| | - Emily D Cranston
- Department of Wood Science, University of British Columbia, Vancouver, British ColumbiaV6T 1Z4, Canada.,Department of Chemical and Biological Engineering, University of British Columbia, Vancouver, British ColumbiaV6T 1Z3, Canada
| | - Eero Kontturi
- Department of Bioproducts and Biosystems, Aalto University, EspooFI-00076, Finland
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32
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Etale A, Onyianta AJ, Turner SR, Eichhorn SJ. Cellulose: A Review of Water Interactions, Applications in Composites, and Water Treatment. Chem Rev 2023; 123:2016-2048. [PMID: 36622272 PMCID: PMC9999429 DOI: 10.1021/acs.chemrev.2c00477] [Citation(s) in RCA: 66] [Impact Index Per Article: 66.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
Cellulose is known to interact well with water, but is insoluble in it. Many polysaccharides such as cellulose are known to have significant hydrogen bond networks joining the molecular chains, and yet they are recalcitrant to aqueous solvents. This review charts the interaction of cellulose with water but with emphasis on the formation of both natural and synthetic fiber composites. Covering studies concerning the interaction of water with wood, the biosynthesis of cellulose in the cell wall, to its dispersion in aqueous suspensions and ultimately in water filtration and fiber-based composite materials this review explores water-cellulose interactions and how they can be exploited for synthetic and natural composites. The suggestion that cellulose is amphiphilic is critically reviewed, with relevance to its processing. Building on this, progress made in using various charged and modified forms of nanocellulose to stabilize oil-water emulsions is addressed. The role of water in the aqueous formation of chiral nematic liquid crystals, and subsequently when dried into composite films is covered. The review will also address the use of cellulose as an aid to water filtration as one area where interactions can be used effectively to prosper human life.
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Affiliation(s)
- Anita Etale
- Bristol Composites Institute, School of Civil, Aerospace and Mechanical Engineering, University of Bristol, University Walk, BristolBS8 1TR, United Kingdom
| | - Amaka J Onyianta
- Bristol Composites Institute, School of Civil, Aerospace and Mechanical Engineering, University of Bristol, University Walk, BristolBS8 1TR, United Kingdom
| | - Simon R Turner
- School of Biological Science, University of Manchester, Oxford Road, ManchesterM13 9PT, U.K
| | - Stephen J Eichhorn
- Bristol Composites Institute, School of Civil, Aerospace and Mechanical Engineering, University of Bristol, University Walk, BristolBS8 1TR, United Kingdom
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Rahman MZ, Wang X, Song L, Hu Y. A novel green phosphorus-containing flame retardant finishing on polysaccharide-modified polyamide 66 fabric for improving hydrophilicity and durability. Int J Biol Macromol 2023; 239:124252. [PMID: 36996951 DOI: 10.1016/j.ijbiomac.2023.124252] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2023] [Revised: 03/12/2023] [Accepted: 03/27/2023] [Indexed: 03/30/2023]
Abstract
Rising concerns about the toxic effects and environmental issues associated with various fireproof treatments on textiles have led to a demand for "green" materials. Chitosan (CS) is an amino polysaccharide green, recyclable, and non-toxic highly biocompatible biopolymer that consists of multiple hydroxyl groups and has a wide range of applications, including as a flame retardant additive. In this study, an eco-friendly bio-based formaldehyde-free flame retardant containing a higher level of phosphorus and nitrogen in phytic acid ammonia (PAA) was synthesized to amplify the most plentiful green chitosan (CS)-modified polyamide 66 (PA66) fabric surface through a simple pad-dry-cure technique for the improvement of durable flame retardancy with hydrophilicity. The findings revealed that each UV-grafted CS fabric could entirely stop the melt-dripping tendency during the vertical burning (UL-94) test and reached a V-1 rating. Meanwhile, limiting oxygen index (LOI) testing showed a rapid increase from 18.5 % to 24 % for the PA66 control and the PAA-treated (i.e., PA66-g-5CS-PAA) fabric samples, respectively. Moreover, compared to the PA66 control sample, a dramatic decrease in the peak heat release rate (PHRR), fire growth rate (FGR), and total heat release (THR) by approximately over 52 %, 0.63 %, and 19.7 %, respectively, was observed for the PA66-g-5CS-PAA fabric sample. Additionally, this arrangement of PAA catalyzed the charring of grafted CS and acted as a condensed phase flame retardant, resulting in a significant improvement in char yield% in both air and N2 atmospheres for the PA66-g-5CS-PAA fabric sample in TGA. In addition, only the lower grafting ratio of CS with PAA-treated fabric sample (i.e., PA66-g-2CS-PAA) could encourage it to gain its lowest water contact angle of 00, as well as impersonating a positive effect in improving the flame retardant coating durability in washing and sustaining even after 10 home laundering cycles. This phenomenon suggests that an actual hydrophilic and durable flame retardant finishing procedure for polyamide 66 fabrics might be applied with the novel, plentiful, sustainable, and environmentally friendly bio-based green PAA ingredient.
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Lai H, Chen Z, Zhuo H, Hu Y, Zhao X, Yi J, Zheng H, Shi G, Tong Y, Meng L, Peng X, Zhong L. Defect reduction to enhance the mechanical strength of nanocellulose carbon aerogel. CHINESE CHEM LETT 2023. [DOI: 10.1016/j.cclet.2023.108331] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/22/2023]
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35
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Monteiro CJP, Neves MGPMS, Nativi C, Almeida A, Faustino MAF. Porphyrin Photosensitizers Grafted in Cellulose Supports: A Review. Int J Mol Sci 2023; 24:ijms24043475. [PMID: 36834886 PMCID: PMC9967812 DOI: 10.3390/ijms24043475] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2023] [Revised: 01/30/2023] [Accepted: 02/06/2023] [Indexed: 02/12/2023] Open
Abstract
Cellulose is the most abundant natural biopolymer and owing to its compatibility with biological tissues, it is considered a versatile starting material for developing new and sustainable materials from renewable resources. With the advent of drug-resistance among pathogenic microorganisms, recent strategies have focused on the development of novel treatment options and alternative antimicrobial therapies, such as antimicrobial photodynamic therapy (aPDT). This approach encompasses the combination of photoactive dyes and harmless visible light, in the presence of dioxygen, to produce reactive oxygen species that can selectively kill microorganisms. Photosensitizers for aPDT can be adsorbed, entrapped, or linked to cellulose-like supports, providing an increase in the surface area, with improved mechanical strength, barrier, and antimicrobial properties, paving the way to new applications, such as wound disinfection, sterilization of medical materials and surfaces in different contexts (industrial, household and hospital), or prevention of microbial contamination in packaged food. This review will report the development of porphyrinic photosensitizers supported on cellulose/cellulose derivative materials to achieve effective photoinactivation. A brief overview of the efficiency of cellulose based photoactive dyes for cancer, using photodynamic therapy (PDT), will be also discussed. Particular attention will be devoted to the synthetic routes behind the preparation of the photosensitizer-cellulose functional materials.
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Affiliation(s)
- Carlos J. P. Monteiro
- LAQV-Requimte and Department of Chemistry, University of Aveiro, 3010-193 Aveiro, Portugal
- Correspondence: (C.J.P.M.); (M.A.F.F.)
| | | | - Cristina Nativi
- Department of Chemistry “Ugo Schiff”, University of Florence, via della Lastruccia, 3-13, 50019 Sesto Fiorentino, Italy
| | - Adelaide Almeida
- CESAM and Department of Biology, University of Aveiro, 3810-193 Aveiro, Portugal
| | - Maria Amparo F. Faustino
- LAQV-Requimte and Department of Chemistry, University of Aveiro, 3010-193 Aveiro, Portugal
- Correspondence: (C.J.P.M.); (M.A.F.F.)
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Yang L, Xu W, Shi X, Wu M, Yan Z, Zheng Q, Feng G, Zhang L, Shao R. Investigating the thermal conductivity and flame-retardant properties of BN/MoS2/PCNF composite film containing low BN and MoS2 nanosheets loading. Carbohydr Polym 2023; 311:120621. [PMID: 37028866 DOI: 10.1016/j.carbpol.2023.120621] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2022] [Revised: 12/28/2022] [Accepted: 01/22/2023] [Indexed: 02/07/2023]
Abstract
Cellulose has attracted considerable attention as a potential substitute for plastics. However, the flammability and high thermal insulation properties of cellulose contradict the unique requirements for highly integrated and miniaturized electronics i.e., rapid thermal dissipation and efficient flame retardancy. In this work, cellulose was first phosphorylated to achieve intrinsic flame-retardant properties, and subsequently treated with MoS2 and BN, ensuring efficient dispersion throughout the material. Via chemical crosslinking, a sandwich-like unit was formed, in the order of BN, MoS2, and phosphorylated cellulose nanofibers (PCNF). The sandwich-like units were further self-assembled, layer-by-layer, to successfully create BN/MoS2/PCNF composite films exhibiting excellent thermal conductivity and flame retardancy, and comprised a low MoS2 and BN loading. The thermal conductivity of the BN/MoS2/PCNF composite film containing 5 wt% BN nanosheets was higher than that of neat PCNF film. The combustion characterization of BN/MoS2/PCNF composite films revealed highly desirable properties that were far more superior than the BN/MoS2/TCNF (TCNF, TEMPO-oxidized cellulose nanofibers) composite films. Moreover, the toxic volatiles that escaped from flaming BN/MoS2/PCNF composite films were significantly reduced compared to that of the BN/MoS2/TCNF composite film alternative. The thermal conductivity and flame retardancy of BN/MoS2/PCNF composite films have promising application prospects in highly integrated and eco-friendly electronics.
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Advanced Polymeric Nanocomposite Membranes for Water and Wastewater Treatment: A Comprehensive Review. Polymers (Basel) 2023; 15:polym15030540. [PMID: 36771842 PMCID: PMC9920371 DOI: 10.3390/polym15030540] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2022] [Revised: 01/13/2023] [Accepted: 01/16/2023] [Indexed: 01/24/2023] Open
Abstract
Nanomaterials have been extensively used in polymer nanocomposite membranes due to the inclusion of unique features that enhance water and wastewater treatment performance. Compared to the pristine membranes, the incorporation of nanomodifiers not only improves membrane performance (water permeability, salt rejection, contaminant removal, selectivity), but also the intrinsic properties (hydrophilicity, porosity, antifouling properties, antimicrobial properties, mechanical, thermal, and chemical stability) of these membranes. This review focuses on applications of different types of nanomaterials: zero-dimensional (metal/metal oxide nanoparticles), one-dimensional (carbon nanotubes), two-dimensional (graphene and associated structures), and three-dimensional (zeolites and associated frameworks) nanomaterials combined with polymers towards novel polymeric nanocomposites for water and wastewater treatment applications. This review will show that combinations of nanomaterials and polymers impart enhanced features into the pristine membrane; however, the underlying issues associated with the modification processes and environmental impact of these membranes are less obvious. This review also highlights the utility of computational methods toward understanding the structural and functional properties of the membranes. Here, we highlight the fabrication methods, advantages, challenges, environmental impact, and future scope of these advanced polymeric nanocomposite membrane based systems for water and wastewater treatment applications.
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Said HA, Ait Bourhim I, Ouarga A, Iraola-Arregui I, Lahcini M, Barroug A, Noukrati H, Ben Youcef H. Sustainable phosphorylated microcrystalline cellulose toward enhanced removal performance of methylene blue. Int J Biol Macromol 2023; 225:1107-1118. [PMID: 36442568 DOI: 10.1016/j.ijbiomac.2022.11.172] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2022] [Revised: 11/03/2022] [Accepted: 11/17/2022] [Indexed: 11/26/2022]
Abstract
In this study, microcrystalline cellulose (MCC) was phosphorylated using phosphoric acid in the presence of urea and used as an adsorbent for methylene blue (MB) dye removal from an aqueous solution. The obtained products were characterized by different techniques. Batch adsorption experiments were conducted under varying conditions of incubation time, initial MB concentration, pH, and phosphorylation degree. All the samples exhibited similar and fast adsorption kinetics, described by pseudo-second-order model for MB adsorption, whereas the retention capacity depended significantly on the phosphate content and the surface charge of the adsorbents. The experimental adsorption data in the examined MB initial concentrations (0-2000 mg/L) were best suited by the Langmuir isotherm model. The study revealed that the presence of phosphates groups in the cellulose structure significantly enhanced the adsorption of the MB pollutant. The maximum dye removal capacity at pH of 7 was obtained for the phosphorylated microcrystalline cellulose (284.03 mg/g) with a high phosphorylation degree (1.92 % of P), which is 20 times higher than unmodified MCC (15.29 mg/g). This property increased from 284.03 to 328.32 mg/g when increasing the pH from 7 to 11. The MB adsorption mechanism involves hydrogen bonding, electrostatic and ion-dipole interactions. These findings are relevant to a better understanding of the role of cellulose phosphorylation in the recovery of organic dyes from the waste liquid of many industries.
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Affiliation(s)
- H Ait Said
- Mohammed VI Polytechnic University (UM6P), HTMR-Lab, 43150 Benguerir, Morocco
| | - I Ait Bourhim
- Mohammed VI Polytechnic University (UM6P), HTMR-Lab, 43150 Benguerir, Morocco
| | - A Ouarga
- Mohammed VI Polytechnic University (UM6P), HTMR-Lab, 43150 Benguerir, Morocco
| | - I Iraola-Arregui
- Mohammed VI Polytechnic University (UM6P), HTMR-Lab, 43150 Benguerir, Morocco
| | - M Lahcini
- Cadi Ayyad University, Faculty of Sciences and technologies, IMED Lab, 40000 Marrakech, Morocco
| | - A Barroug
- Cadi Ayyad University, Faculty of Sciences Semlalia, SCIMATOP-PIB, 40000 Marrakech, Morocco; Mohammed VI Polytechnic University (UM6P), ISSB-P, 43150 Benguerir, Morocco
| | - H Noukrati
- Mohammed VI Polytechnic University (UM6P), ISSB-P, 43150 Benguerir, Morocco.
| | - H Ben Youcef
- Mohammed VI Polytechnic University (UM6P), HTMR-Lab, 43150 Benguerir, Morocco.
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39
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Zhang N, Li J, Tian B, Zhang J, Li T, Li Z, Wang Y, Liu Z, Zhao H, Ma F. Phosphorylated cellulose carbamate for highly effective capture of U(VI). J Radioanal Nucl Chem 2023. [DOI: 10.1007/s10967-022-08678-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
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40
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High-Efficient Flame-Retardant Finishing of Cotton Fabrics Based on Phytic Acid. Int J Mol Sci 2023; 24:ijms24021093. [PMID: 36674614 PMCID: PMC9865254 DOI: 10.3390/ijms24021093] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2022] [Revised: 01/02/2023] [Accepted: 01/04/2023] [Indexed: 01/09/2023] Open
Abstract
In this study, an efficient phosphorus-containing flame retardant, PAPBTCA, was synthesized from phytic acid, pentaerythritol, and 1,2,3,4-butane tetracarboxylic acid, and its structure was characterized. PAPBTCA was finished on cotton fabrics by the pad-dry-curing process, and the flame retardancy, flame-retardant durability, and wrinkle resistance of the obtained flame-retardant fabrics were investigated. It should be noted that the heat release rate value of the flame-retardant cotton fabrics treated with 200 g/L PAPBTCA decreased by 90% and its excellent flame retardancy was maintained after 5 washing cycles. Meanwhile, the wrinkle resistance of flame-retardant cotton fabrics has been significantly improved. In addition, compared with the control, the breaking force loss of PAPBTCA-200 in the warp and weft directions was 24% and 21%, respectively. This study provides a new way to utilize natural phosphorus-based flame retardants to establish multifunctional finishing for cotton fabrics.
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Mnasri A, Khiari R, Dhaouadi H, Halila S, Mauret E. Acidic and alkaline deep eutectic solvents pre-treatment to produce high aspect ratio microfibrillated cellulose. BIORESOURCE TECHNOLOGY 2023; 368:128312. [PMID: 36372384 DOI: 10.1016/j.biortech.2022.128312] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/27/2022] [Revised: 11/05/2022] [Accepted: 11/07/2022] [Indexed: 06/16/2023]
Abstract
This study highlights the microfibrillation potential of three deep eutectic solvents (DES) composed of betaine hydrochloride-urea, choline chloride-urea and choline chloride-monoethanolamine. Cellulose fibres (eucalyptus and cotton) were first treated in DES (100 °C for 4 h) and then ground with an ultra-fine grinder to produce microfibrillated cellulose (MFC). DES pre-treatment especially betaine hydrochloride-urea system has significantly improved the microfibrillation process with reduced energy consumption comparable to that of enzymatic treatment (reference pre-treatment). Long and thin microfibril bundles (widths around 50 nm) and individualised microfibrils (widths between 5 and 10 nm) were obtained. MFC gels and nanopapers were characterised using several techniques. Nanopapers produced from DES treated MFC showed good mechanical properties with Young's modulus higher than 10 GPa. In addition, they exhibited higher quality index (between 73 and 76) than those produced from enzymatic hydrolysis (quality index around 68). DES pre-treatment is a promising way to produce MFC with high aspect ratio.
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Affiliation(s)
- Ahlem Mnasri
- University of Monastir, Faculty of Sciences of Monastir, Laboratory of Environmental Chemistry and Clean Process (LCE2P-LR21ES04), 5019 Monastir, Tunisia; Univ. Grenoble Alpes, CNRS, Grenoble INP, LGP2, F-38000 Grenoble, France
| | - Ramzi Khiari
- University of Monastir, Faculty of Sciences of Monastir, Laboratory of Environmental Chemistry and Clean Process (LCE2P-LR21ES04), 5019 Monastir, Tunisia; Univ. Grenoble Alpes, CNRS, Grenoble INP, LGP2, F-38000 Grenoble, France; Higher Institute of Technological Studies of Ksar Hellal, Department of Textile, Ksar Hellal, Tunisia.
| | - Hatem Dhaouadi
- University of Monastir, Faculty of Sciences of Monastir, Laboratory of Environmental Chemistry and Clean Process (LCE2P-LR21ES04), 5019 Monastir, Tunisia
| | - Sami Halila
- Univ. Grenoble Alpes, CNRS, CERMAV, 38041 Grenoble, France
| | - Evelyne Mauret
- Univ. Grenoble Alpes, CNRS, Grenoble INP, LGP2, F-38000 Grenoble, France
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42
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Tong X, He Z, Zheng L, Pande H, Ni Y. Enzymatic treatment processes for the production of cellulose nanomaterials: A review. Carbohydr Polym 2023; 299:120199. [PMID: 36876810 DOI: 10.1016/j.carbpol.2022.120199] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2022] [Revised: 10/04/2022] [Accepted: 10/05/2022] [Indexed: 11/09/2022]
Abstract
Cellulose nanomaterials have attracted much attention in recent years because of their unique properties. Commercial or semi-commercial production of nanocellulose has been reported in recent years. Mechanical treatments for nanocellulose production are viable but highly energy-intensive. Chemical processes are well reported; however, these chemical processes are not only costly, but also cause environmental concerns and end-use related challenges. This review summarizes recent researches on enzymatic treatment of cellulose fibers for the production of cellulose nanomaterials, with focus on novel enzymatic processes with xylanase and lytic polysaccharide monooxygenases (LPMO) to enhance the efficacy of cellulase. Different enzymes are discussed, including endoglucanase, exoglucanase and xylanase, as well as LPMO, with emphasis on the accessibility and hydrolytic specificity of LPMO enzymes to cellulose fiber structures. LPMO acts in a synergistic way with cellulase to cause significant physical and chemical changes to the cellulose fiber cell-wall structures, which facilitate the nano-fibrillation of the fibers.
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Affiliation(s)
- Xin Tong
- Department of Chemical Engineering, Limerick Pulp and Paper Centre, University of New Brunswick, Fredericton, NB E3B5A3, Canada; Key Laboratory of Recycling and Eco-treatment of Waste Biomass of Zhejiang Province, Zhejiang University of Science and Technology, Hangzhou 310023, PR China
| | - Zhibin He
- Department of Chemical Engineering, Limerick Pulp and Paper Centre, University of New Brunswick, Fredericton, NB E3B5A3, Canada.
| | - Linqiang Zheng
- Department of Chemical Engineering, Limerick Pulp and Paper Centre, University of New Brunswick, Fredericton, NB E3B5A3, Canada
| | - Harshad Pande
- Domtar Corporation, 395 Blvd Maisonneuve West, Montreal, PQ H3A 1L6, Canada
| | - Yonghao Ni
- Department of Chemical Engineering, Limerick Pulp and Paper Centre, University of New Brunswick, Fredericton, NB E3B5A3, Canada
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Wang F, Hu X, Tang C, Liu C, Zhu Z. Phosphate-functionalized ramie stalk adsorbent for efficient removal of Zn 2+ from water: adsorption performance, mechanism, and fixed-bed column treatment of real wastewater. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:6245-6261. [PMID: 35989403 DOI: 10.1007/s11356-022-22590-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/01/2022] [Accepted: 08/13/2022] [Indexed: 06/15/2023]
Abstract
A highly efficient adsorbent functionalized with phosphate groups made from a local agricultural waste, ramie stalk, was designed for Zn2+ removal from water. SEM, EDS, FTIR, zeta potential, and XPS tests were used to study the morphology and properties of modified ramie stalk (RS-P). The results showed that the phosphate groups were successfully grafted to the surface of the ramie stalk, which has a multilayered and porous structure and can provide large adsorption sites. Adsorption performance and mechanism were investigated in the static and dynamic adsorption experiments. The adsorption kinetics of Zn2+ by RS-P were better fitted by the pseudo-second-order model, indicating chemical adsorption. Adsorption isotherm was better described by Redlich-Peterson isotherm, which suggested heterogeneous and multi-site adsorption, with a maximum adsorption capacity of 0.558 mmol g-1. The characterization of adsorbents before and after adsorption indicated that a combined action of electrostatic interaction and ion exchange was the primary mechanism of adsorption. Dynamic adsorption experiments with fixed-bed column displayed excellent water treatment capabilities. RS-P exhibited good reusability in 5 cycles without much deterioration in its adsorption performances. Complex co-existing ions impaired Zn2+ adsorption during real wastewater treatment. This research benefits agricultural waste recycling and provides safe water to ensure economic, social, and environmental sustainability.
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Affiliation(s)
- Fen Wang
- School of Chemistry and Chemical Engineering, Sichuan University of Arts and Science, Dazhou, 635000, People's Republic of China.
| | - XiaoLi Hu
- School of Chemistry and Chemical Engineering, Sichuan University of Arts and Science, Dazhou, 635000, People's Republic of China
| | - Cheng Tang
- School of Chemistry and Chemical Engineering, Sichuan University of Arts and Science, Dazhou, 635000, People's Republic of China
| | - Changlu Liu
- School of Chemistry and Chemical Engineering, Sichuan University of Arts and Science, Dazhou, 635000, People's Republic of China
| | - Zhaoju Zhu
- School of Chemistry and Chemical Engineering, Sichuan University of Arts and Science, Dazhou, 635000, People's Republic of China
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44
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Mechanically robust, flame-retardant phosphorylated cellulose films with tunable optical properties for light management in LEDs. Carbohydr Polym 2022; 298:120129. [DOI: 10.1016/j.carbpol.2022.120129] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2022] [Revised: 09/08/2022] [Accepted: 09/15/2022] [Indexed: 11/20/2022]
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45
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Phosphorylation of Kapok Fiber with Phytic Acid for Enhanced Flame Retardancy. Int J Mol Sci 2022; 23:ijms232314950. [PMID: 36499278 PMCID: PMC9737048 DOI: 10.3390/ijms232314950] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2022] [Revised: 11/25/2022] [Accepted: 11/27/2022] [Indexed: 12/03/2022] Open
Abstract
Kapok fiber (KF), with the characteristics of a natural hollow structure, light weight, and low density, can be used as acoustic and thermal insulation, buoyancy, adsorption, filling, and composite material. The flame-retardant treatment can expand the functionality and application of KF. In this work, the phosphorylation of KF using phytic acid (PA) in the presence of urea at a high temperature was used to enhance its flame retardancy. The phosphorylation reaction conditions were discussed, and the surface topography, thermal degradation, heat release, and combustion properties of phosphorylated KF were studied. The Fourier transform infrared spectroscopy and 31P solid-state nuclear magnetic resonance spectroscopy analyses confirmed the grafting of PA on cellulose by the formation of phosphate ester bonds. Due to the covalent binding of PA, phosphorylated KF exhibited good washing durability. The surface topography, Raman spectroscopy, thermogravimetric (TG), and microcalorimetry analyses revealed the excellent charring ability of phosphorylated KF. In the TG test in nitrogen, the char residue increased to 42.6% of phosphorylated KF from 8.3% of raw KF at 700 °C. In the vertical combustion, raw KF sheet was almost completely burned out within 30 s, while phosphorylated KF was very difficult to catch fire. In the microcalorimetry analysis, the heat release capacity and total heat release of phosphorylated KF decreased to 67 J/g∙K and 3.9 kJ/g, respectively from 237 J/g∙K and 18.1 kJ/g of raw KF. This work suggests that phosphorylated KF is an excellent flame-retardant material.
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Subbotina E, Ram F, Dvinskikh SV, Berglund LA, Olsén P. Aqueous synthesis of highly functional, hydrophobic, and chemically recyclable cellulose nanomaterials through oxime ligation. Nat Commun 2022; 13:6924. [PMID: 36376337 PMCID: PMC9663568 DOI: 10.1038/s41467-022-34697-5] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2022] [Accepted: 11/01/2022] [Indexed: 11/16/2022] Open
Abstract
Cellulose nanofibril (CNF) materials are candidates for the sustainable development of high mechanical performance nanomaterials. Due to inherent hydrophilicity and limited functionality range, most applications require chemical modification of CNF. However, targeted transformations directly on CNF are cumbersome due to the propensity of CNF to aggregate in non-aqueous solvents at high concentrations, complicating the choice of suitable reagents and requiring tedious separations of the final product. This work addresses this challenge by developing a general, entirely water-based, and experimentally simple methodology for functionalizing CNF, providing aliphatic, allylic, propargylic, azobenzylic, and substituted benzylic functional groups. The first step is NaIO4 oxidation to dialdehyde-CNF in the wet cake state, followed by oxime ligation with O-substituted hydroxylamines. The increased hydrolytic stability of oximes removes the need for reductive stabilization as often required for the analogous imines where aldehyde groups react with amines in water. Overall, the process provides a tailored degree of nanofibril functionalization (2-4.5 mmol/g) with the possible reversible detachment of the functionality under mildly acidic conditions, resulting in the reformation of dialdehyde CNF. The modified CNF materials were assessed for potential applications in green electronics and triboelectric nanogenerators.
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Affiliation(s)
- Elena Subbotina
- grid.5037.10000000121581746Department of Fibre and Polymer Technology, Wallenberg Wood Science Center, KTH Royal Institute of Technology, Teknikringen 56, 100 44 Stockholm, Sweden
| | - Farsa Ram
- grid.5037.10000000121581746Department of Fibre and Polymer Technology, Wallenberg Wood Science Center, KTH Royal Institute of Technology, Teknikringen 56, 100 44 Stockholm, Sweden
| | - Sergey V. Dvinskikh
- grid.5037.10000000121581746Department of Chemistry, KTH Royal Institute of Technology, Teknikringen 30, 100 44 Stockholm, Sweden
| | - Lars A. Berglund
- grid.5037.10000000121581746Department of Fibre and Polymer Technology, Wallenberg Wood Science Center, KTH Royal Institute of Technology, Teknikringen 56, 100 44 Stockholm, Sweden
| | - Peter Olsén
- grid.5037.10000000121581746Department of Fibre and Polymer Technology, Wallenberg Wood Science Center, KTH Royal Institute of Technology, Teknikringen 56, 100 44 Stockholm, Sweden
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Yang S, Dhital S, Zhang MN, Wang J, Chen ZG. Structural, gelatinization, and rheological properties of heat-moisture treated potato starch with added salt and its application in potato starch noodles. Food Hydrocoll 2022. [DOI: 10.1016/j.foodhyd.2022.107802] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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48
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Tom M, Thomas S, Seantier B, Grohens Y, Mohamed PK, Haponiuk JT, Kim J. APPROACHING SUSTAINABILITY: NANOCELLULOSE REINFORCED ELASTOMERS—A REVIEW. RUBBER CHEMISTRY AND TECHNOLOGY 2022. [DOI: 10.5254/rct.22.77013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
ABSTRACT
Awareness of the environmental implications of conventional reinforcing fillers and the urge to reduce the carbon footprint have lead researchers to focus more on natural and sustainable materials. Nanocellulose from multitudinous sources finds use in elastomer engineering because of its distinctive properties, such as renewability, sustainability, abundance, biodegradability, high aspect ratio, excellent mechanical properties, and low cost. Green alternatives for conventional fillers in elastomer reinforcing have gained considerable interest to curb the risk of fillers from nonrenewable sources. The differences in properties of nanocellulose and elastomers render attractiveness in the search for synergistic properties resulting from their combination. This review addresses the isolation techniques for nanocellulose and challenges in its incorporation into the elastomer matrix. Surface modifications for solving incompatibility between filler and matrices are discussed. Processing of nanocomposites, various characterization techniques, mechanical behavior, and potential applications of nanocellulose elastomer composites are also discussed in detail.
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Affiliation(s)
- Milanta Tom
- 1 School of Energy Materials, Mahatma Gandhi University, Kottayam, Kerala, India 686560
- 2 Université Bretagne Sud, UMR CNRS 6027, IRDL, 56100 Lorient, France
| | - Sabu Thomas
- 1 School of Energy Materials, Mahatma Gandhi University, Kottayam, Kerala, India 686560
- 3 Department of Chemical Sciences, University of Johannesburg, Johannesburg, South Africa 17011
| | - Bastien Seantier
- 2 Université Bretagne Sud, UMR CNRS 6027, IRDL, 56100 Lorient, France
| | - Yves Grohens
- 2 Université Bretagne Sud, UMR CNRS 6027, IRDL, 56100 Lorient, France
| | - P. K. Mohamed
- 4 Global R&D Centre, Asia, Apollo Tyres Ltd., Chennai, Tamil Nadu, India 602105
| | - Józef T. Haponiuk
- 5 Department of Polymer Technology, Gdansk University of Technology, Gdańsk, Poland 80-233
| | - Jaehwan Kim
- 6 Department of Mechanical Engineering, Inha University, Incheon, South Korea 22212
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Uusi-Tarkka EK, Levanič J, Heräjärvi H, Kadi N, Skrifvars M, Haapala A. All-Cellulose Composite Laminates Made from Wood-Based Textiles: Effects of Process Conditions and the Addition of TEMPO-Oxidized Nanocellulose. Polymers (Basel) 2022; 14:polym14193959. [PMID: 36235906 PMCID: PMC9572299 DOI: 10.3390/polym14193959] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2022] [Revised: 09/15/2022] [Accepted: 09/19/2022] [Indexed: 11/16/2022] Open
Abstract
All-cellulose composites (ACCs) are manufactured using only cellulose as a raw material. Biobased materials are more sustainable alternatives to the petroleum-based composites that are used in many technical and life-science applications. In this study, an aquatic NaOH-urea solvent system was used to produce sustainable ACCs from wood-based woven textiles with and without the addition of TEMPO-oxidized nanocellulose (at 1 wt.-%). This study investigated the effects of dissolution time, temperature during hot press, and the addition of TEMPO-oxidized nanocellulose on the mechanical and thermal properties of the composites. The results showed a significant change in the tensile properties of the layered textile composite at dissolution times of 30 s and 1 min, while ACC elongation was the highest after 2 and 5 min. Changes in hot press temperature from 70 °C to 150 °C had a significant effect: with an increase in hot press temperature, the tensile strength increased and the elongation at break decreased. Incorporating TEMPO-oxidized nanocellulose into the interface of textile layers before partial dissolution improved tensile strength and, even more markedly, the elongation at break. According to thermal analyses, textile-based ACCs have a higher storage modulus (0.6 GPa) and thermal stabilization than ACCs with nanocellulose additives. This study highlights the important roles of process conditions and raw material characteristics on the structure and properties of ACCs.
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Affiliation(s)
- Eija-Katriina Uusi-Tarkka
- School of Forest Sciences, Faculty of Science and Forestry, University of Eastern Finland, FI-80101 Joensuu, Finland
- Correspondence:
| | - Jaka Levanič
- Biotechnical Faculty, Department of Wood Science and Technology, Jamnikarjeva 101, 1000 Ljubljana, Slovenia
| | | | - Nawar Kadi
- Department of Textile Technology, Faculty of Textiles, Engineering and Business, University of Borås, S-50190 Borås, Sweden
| | - Mikael Skrifvars
- Swedish Centre for Resource Recovery, Faculty of Textiles, Engineering and Business, University of Borås, S-50190 Borås, Sweden
| | - Antti Haapala
- School of Forest Sciences, Faculty of Science and Forestry, University of Eastern Finland, FI-80101 Joensuu, Finland
- FSCN Research Centre, Mid Sweden University, SE-85170 Sundsvall, Sweden
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50
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Powerful cellulose phosphorylation by fertilizer-grade phosphate enables excellent methylene blue paper sorbent. Int J Biol Macromol 2022; 219:949-963. [DOI: 10.1016/j.ijbiomac.2022.08.009] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2022] [Revised: 07/29/2022] [Accepted: 08/02/2022] [Indexed: 11/23/2022]
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