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Khodayari A, Hirn U, Spirk S, Ogawa Y, Seveno D, Thielemans W. Advancing plant cell wall modelling: Atomistic insights into cellulose, disordered cellulose, and hemicelluloses - A review. Carbohydr Polym 2024; 343:122415. [PMID: 39174111 DOI: 10.1016/j.carbpol.2024.122415] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2024] [Revised: 05/27/2024] [Accepted: 06/16/2024] [Indexed: 08/24/2024]
Abstract
The complexity of plant cell walls on different hierarchical levels still impedes the detailed understanding of biosynthetic pathways, interferes with processing in industry and finally limits applicability of cellulose materials. While there exist many challenges to readily accessing these hierarchies at (sub-) angström resolution, the development of advanced computational methods has the potential to unravel important questions in this field. Here, we summarize the contributions of molecular dynamics simulations in advancing the understanding of the physico-chemical properties of natural fibres. We aim to present a comprehensive view of the advancements and insights gained from molecular dynamics simulations in the field of carbohydrate polymers research. The review holds immense value as a vital reference for researchers seeking to undertake atomistic simulations of plant cell wall constituents. Its significance extends beyond the realm of molecular modeling and chemistry, as it offers a pathway to develop a more profound comprehension of plant cell wall chemistry, interactions, and behavior. By delving into these fundamental aspects, the review provides invaluable insights into future perspectives for exploration. Researchers within the molecular modeling and carbohydrates community can greatly benefit from this resource, enabling them to make significant strides in unraveling the intricacies of plant cell wall dynamics.
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Affiliation(s)
- Ali Khodayari
- Department of Materials Engineering, KU Leuven, Kasteelpark Arenberg 44, Leuven 3001, Belgium.
| | - Ulrich Hirn
- Institute of Bioproducts and Paper Technology, TU Graz, Inffeldgasse 23, Graz 8010, Austria
| | - Stefan Spirk
- Institute of Bioproducts and Paper Technology, TU Graz, Inffeldgasse 23, Graz 8010, Austria
| | - Yu Ogawa
- Centre de recherches sur les macromolécules végétales, CERMAV-CNRS, CS40700, 38041 Grenoble cedex 9, France
| | - David Seveno
- Department of Materials Engineering, KU Leuven, Kasteelpark Arenberg 44, Leuven 3001, Belgium
| | - Wim Thielemans
- Sustainable Materials Lab, Department of Chemical Engineering, KU Leuven, Campus Kulak Kortrijk, Etienne Sabbelaan 53, 8500 Kortrijk, Belgium
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2
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Han D, Villanueva-Tagle ME, Peña-Icart M, López-Mesas M, Valiente M. Trace cisplatin adsorption by thiol-functionalized sponge (TFS) and Sn/SnO 2-coated TFS: Adsorption study and mechanism investigation. JOURNAL OF HAZARDOUS MATERIALS 2024; 471:134442. [PMID: 38688222 DOI: 10.1016/j.jhazmat.2024.134442] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/09/2023] [Revised: 02/22/2024] [Accepted: 04/25/2024] [Indexed: 05/02/2024]
Abstract
To remove trace cisplatin from aqueous solution, commercial sponges were functionalized by esterification with 3-mercaptopropionic acid, followed by reduction with Na2S·9H2O or SnCl2·2H2O. The resulting thiol-functionalized sponges (TFSs), TFS_1 and TFS_2, were tested for the removal of cisplatin (235 μg L-1) achieving maximum removal of 95.5 ± 0.8% and 99.5 ± 0.1% respectively, which were significantly higher than the non-functionalized counterpart. The successful grafting of thiol groups, verified through FTIR, elemental analysis, SEM-EDS, and XPS characterization, facilitated Pt-S complexation during adsorption. The aqua-derivatives of cisplatin, formed through hydration, complexed with thiol sites through ligand displacement. Additionally, the presence of Sn/SnO2 coating on TFS_2 further enhanced the adsorption process. The rapid adsorption process conformed to pseudo-second-order kinetic model, involving both diffusion and chemisorption. While the Langmuir isotherm model generally described the monolayer adsorption behavior of cisplatin, the aggregation of Sn/SnO2 onto TFS_2 at 343 K introduced surface heterogeneity, rendering the Freundlich model a better fit for the adsorption isotherm. Differential pH dependence and the evaluation of mean free energy, derived from the Dubinin-Radushkevich isotherm model, indicated that cisplatin adsorption onto TFS_1 involved physisorption, including electrostatic attraction, while chemisorption predominated for TFS_2. Increasing the temperature notably promoted adsorption by facilitating the thermal-favored formation of Pt-S bonds.
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Affiliation(s)
- Dong Han
- GTS-UAB Research Group, Department of Chemistry, Faculty of Science, Universitat Autònoma de Barcelona, Bellaterra, (Cerdanyola del Vallès), 08193 Barcelona, Spain
| | | | - Mirella Peña-Icart
- Institute of Materials Science and Technology, University of Havana, Havana 10400, Cuba
| | - Montserrat López-Mesas
- GTS-UAB Research Group, Department of Chemistry, Faculty of Science, Universitat Autònoma de Barcelona, Bellaterra, (Cerdanyola del Vallès), 08193 Barcelona, Spain.
| | - Manuel Valiente
- GTS-UAB Research Group, Department of Chemistry, Faculty of Science, Universitat Autònoma de Barcelona, Bellaterra, (Cerdanyola del Vallès), 08193 Barcelona, Spain
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3
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Hemida MH, Moustafa H, Mehanny S, Morsy M, Abd El Rahman EN, Ibrahim MM. Valorization of Eichhornia crassipes for the production of cellulose nanocrystals further investigation of plethoric biobased resource. Sci Rep 2024; 14:12387. [PMID: 38811644 PMCID: PMC11136955 DOI: 10.1038/s41598-024-62159-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2023] [Accepted: 05/14/2024] [Indexed: 05/31/2024] Open
Abstract
Chemical processing is among the significant keys to tackle agro-residues utilization field, aiming to obtain value-added materials. Extraction of cellulose nanocrystals (CNCs) is an emerging route to valorize lignocellulosic wastes into high value particles. In this investigation, effect of acidic hydrolysis duration was monitored on size and morphology of obtained crystals; namely: CNCs from Nile roses fibers (NRFs) (Eichhornia crassipes). Different acidic hydrolysis duration range or different characterization techniques set this article apart from relevant literature, including our group research articles. The grinded NRFs were firstly subjected to alkaline and bleaching pretreatments, then acid hydrolysis process was carried out with varied durations ranging from 5 to 30 min. Microcrystalline cellulose (MCC) was used as reference for comparison with NRFs based samples. The extracted CNCs samples were investigated using various techniques such as scanning electron microscopy (SEM), Atomic force microscopy (AFM), Raman spectroscopy, and thermogravimetric (TGA) analysis. The figures gotten from SEM and AFM depicted that NRFs based CNCs appeared as fibril-like shapes, with reduced average size when the NRFs underwent pulping and bleaching processes. This was indicated that the elimination of hemicellulose and lignin components got achieved successfully. This outcome was proven by chemical composition measurements and TGA/DTG curves. On the other hand, AFM-3D images indicated that CNCs topology and surface roughness were mostly affected by increasing hydrolysis durations, besides smooth and homogeneous surfaces were noticed. Moreover, Raman spectra demonstrated that the particle size and crystallinity degree of NRFs based CNCs can be affected by acidic hydrolysis durations and optimum extraction time was found to be 10 min. Thermal stability of extracted CNCs-NRFs and CNCs-MCC was measured by TGA/DTG and the kinetic models were suggested to identify the kinetic parameters of the thermal decomposition of CNCs for each acid hydrolysis duration. Increasing hydrolysis duration promoted thermal stability, particularly for NRFs based CNCs. Results showcased in this article add new perspective to Nile rose nanocellulose and pave down the way to fabricate NRFs based humidity nano-sensors.
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Affiliation(s)
- Mohamed H Hemida
- Agricultural Engineering Department, Faculty of Agriculture, Cairo University, Giza, Egypt
| | - Hesham Moustafa
- Department of Polymer Metrology & Technology, National Institute of Standards (NIS), Tersa Street, El Haram, P.O Box 136, Giza, 12211, Egypt
- Bioanalysis Laboratory, National Institute of Standards (NIS), Tersa Street, El Haram, P.O Box 136, Giza, 12211, Egypt
| | - Sherif Mehanny
- Department of Mechanical Design and Production, Faculty of Engineering, Cairo University, Giza, Egypt
| | - Mohamed Morsy
- Building Physics and Environment Institute, Housing and Building National Research Center (HBRC), Dokki, Giza, Egypt.
- Nanotechnology Research Center (NTRC), The British University in Egypt (BUE), El Sherouk City, Suez Desert Road, Cairo, 11837, Egypt.
| | - Eid N Abd El Rahman
- Agricultural Engineering Department, Faculty of Agriculture, Cairo University, Giza, Egypt
| | - Mohamed M Ibrahim
- Agricultural Engineering Department, Faculty of Agriculture, Cairo University, Giza, Egypt.
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4
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Cosgrove DJ. Structure and growth of plant cell walls. Nat Rev Mol Cell Biol 2024; 25:340-358. [PMID: 38102449 DOI: 10.1038/s41580-023-00691-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/15/2023] [Indexed: 12/17/2023]
Abstract
Plant cells build nanofibrillar walls that are central to plant growth, morphogenesis and mechanics. Starting from simple sugars, three groups of polysaccharides, namely, cellulose, hemicelluloses and pectins, with very different physical properties are assembled by the cell to make a strong yet extensible wall. This Review describes the physics of wall growth and its regulation by cellular processes such as cellulose production by cellulose synthase, modulation of wall pH by plasma membrane H+-ATPase, wall loosening by expansin and signalling by plant hormones such as auxin and brassinosteroid. In addition, this Review discusses the nuanced roles, properties and interactions of cellulose, matrix polysaccharides and cell wall proteins and describes how wall stress and wall loosening cooperatively result in cell wall growth.
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Affiliation(s)
- Daniel J Cosgrove
- Department of Biology, Pennsylvania State University, University Park, Pennsylvania, USA.
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5
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Liu JZ, Wang L, Jiang LJ, Lyu HC, Yuan Q, Wang GF, Fu YJ, Cui Q. In sight the behavior of natural Bletilla striata polysaccharide hydrocolloids by molecular dynamics method. Int J Biol Macromol 2024; 266:131245. [PMID: 38554922 DOI: 10.1016/j.ijbiomac.2024.131245] [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: 09/25/2023] [Revised: 03/24/2024] [Accepted: 03/27/2024] [Indexed: 04/02/2024]
Abstract
Plant polysaccharides, distinguished by diverse glycosidic bonds and various cyclic sugar units, constitute a subclass of primary metabolites ubiquitously found in nature. Contrary to common understanding, plant polysaccharides typically form hydrocolloids upon dissolution in water, even though both excessively high and low temperatures impede this process. Bletilla striata polysaccharides (BSP), chosen for this kinetic study due to their regular repeating units, help elucidate the relationship between polysaccharide gelation and temperature. It is suggested that elevated temperatures enhance the mobility of BSP molecular chains, resulting in a notable acceleration of hydrogen bond breakage between BSP and water molecules and consequently, compromising the conformational stability of BSPs to some extent. This study unveils the unique relationship between polysaccharide dissolution processes and temperature from a kinetics perspective. Consequently, the conclusion provides a dynamical basis for comprehending the extraction and preparation of natural plant polysaccharide hydrocolloids, pharmaceuticals and related fields.
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Affiliation(s)
- Ju-Zhao Liu
- School of Pharmaceutical Sciences, Zhejiang Chinese Medical University, Hangzhou 311402, PR China.
| | - Lu Wang
- School of Life Sciences, Westlake University, Hangzhou 310030, PR China
| | - Li-Jie Jiang
- School of Pharmaceutical Sciences, Zhejiang Chinese Medical University, Hangzhou 311402, PR China
| | - Hong-Chang Lyu
- Institute of Automation, Chinese Academy of Sciences, Beijing 100190, PR China
| | - Qiang Yuan
- School of Pharmaceutical Sciences, Zhejiang Chinese Medical University, Hangzhou 311402, PR China
| | - Guang-Fu Wang
- HIT Center for Life Sciences, School of Life Science and Technology, Harbin Institute of Technology, Harbin 150001, PR China
| | - Yu-Jie Fu
- College of Forestry, Beijing Forestry University, No. 35, Tsinghua East Road, Haidian District, Beijing 100083, PR China
| | - Qi Cui
- School of Pharmaceutical Sciences, Zhejiang Chinese Medical University, Hangzhou 311402, PR China.
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6
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Benselfelt T, Cinar Ciftci G, Wågberg L, Wohlert J, Hamedi MM. Entropy Drives Interpolymer Association in Water: Insights into Molecular Mechanisms. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2024; 40:6718-6729. [PMID: 38517289 PMCID: PMC10993416 DOI: 10.1021/acs.langmuir.3c02978] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/02/2023] [Revised: 02/28/2024] [Accepted: 03/04/2024] [Indexed: 03/23/2024]
Abstract
Interpolymer association in aqueous solutions is essential for many industrial processes, new materials design, and the biochemistry of life. However, our understanding of the association mechanism is limited. Classical theories do not provide molecular details, creating a need for detailed mechanistic insights. This work consolidates previous literature with complementary isothermal titration calorimetry (ITC) measurements and molecular dynamics (MD) simulations to investigate molecular mechanisms to provide such insights. The large body of ITC data shows that intermolecular bonds, such as ionic or hydrogen bonds, cannot drive association. Instead, polymer association is entropy-driven due to the reorganization of water and ions. We propose a unifying entropy-driven association mechanism by generalizing previously suggested polyion association principles to include nonionic polymers, here termed polydipoles. In this mechanism, complementary charge densities of the polymers are the common denominators of association, for both polyions and polydipoles. The association of the polymers results mainly from two processes: charge exchange and amphiphilic association. MD simulations indicate that the amphiphilic assembly alone is enough for the initial association. Our proposed mechanism is a step toward a molecular understanding of the formation of complexes between synthetic and biological polymers under ambient or biological conditions.
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Affiliation(s)
- Tobias Benselfelt
- Department of Fibre and Polymer
Technology, School of Engineering Sciences in Chemistry, Biotechnology
and Health, KTH Royal Institute of Technology, 100 44 Stockholm, Sweden
| | - Goksu Cinar Ciftci
- Department of Fibre and Polymer
Technology, School of Engineering Sciences in Chemistry, Biotechnology
and Health, KTH Royal Institute of Technology, 100 44 Stockholm, Sweden
| | - Lars Wågberg
- Department of Fibre and Polymer
Technology, School of Engineering Sciences in Chemistry, Biotechnology
and Health, KTH Royal Institute of Technology, 100 44 Stockholm, Sweden
| | - Jakob Wohlert
- Department of Fibre and Polymer
Technology, School of Engineering Sciences in Chemistry, Biotechnology
and Health, KTH Royal Institute of Technology, 100 44 Stockholm, Sweden
| | - Mahiar Max Hamedi
- Department of Fibre and Polymer
Technology, School of Engineering Sciences in Chemistry, Biotechnology
and Health, KTH Royal Institute of Technology, 100 44 Stockholm, Sweden
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7
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Ghaffari R, Arumughan V, Larsson A. Specific ion effects on lignin adsorption and transport through cellulose confinements. J Colloid Interface Sci 2024; 653:1662-1670. [PMID: 37812842 DOI: 10.1016/j.jcis.2023.09.037] [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: 06/26/2023] [Revised: 08/30/2023] [Accepted: 09/06/2023] [Indexed: 10/11/2023]
Abstract
The presence of ions in a solution is anticipated to induce distinct effects on macromolecules. Consequently, the tuning of adsorption and mass transfer of lignin molecules can be achieved by incorporating ions with chaotropic or kosmotropic characteristics. This study examines the adsorption and mass transfer behavior of lignin molecules across model cellulose membranes in presence of ions from the Hofmeister series. Experimental investigations encompassed the use of diffusion cells to quantify lignin's mass transfer through the membranes, and quartz crystal microbalance with dissipation (QCM-D) monitoring was used for adsorption studies. Notably, at high ion concentrations, the mass transport rate of lignin was observed to be lower in the presence of highly hydrated (kosmotropic) sulfate ions, conforming to the Hofmeister series. Intriguingly, this relationship was not apparent at lower ion concentrations. Furthermore, QCM-D experiments indicated that lignin displayed higher adsorption onto the cellulose surface when exposed to less hydrated (chaotropic) nitrate anions. This behavior can be rationalized by considering the system's increased entropy gain, facilitated by the release of adsorbed ions and water molecules from the cellulose surface upon lignin adsorption. This study highlights the complexity of ion-specific effects on mass transfer and adsorption processes and their dependency on ion concentrations.
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Affiliation(s)
- Roujin Ghaffari
- Department of Chemistry and Chemical Engineering, Chalmers University of Technology, Gothenburg, Sweden; Wallenberg Wood Science Center, Chalmers University of Technology, Gothenburg, Sweden
| | - Vishnu Arumughan
- Department of Bioproducts and Biosystems, Aalto University, Espoo, Finland
| | - Anette Larsson
- Department of Chemistry and Chemical Engineering, Chalmers University of Technology, Gothenburg, Sweden; Wallenberg Wood Science Center, Chalmers University of Technology, Gothenburg, Sweden; FibRe - Centre for Lignocellulose-based Thermoplastics, Department of Chemistry and Chemical Engineering, Chalmers University of Technology, Gothenburg, Sweden.
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8
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Szymańska-Chargot M, Pękala P, Myśliwiec D, Cieśla J, Pieczywek PM, Siemińska-Kuczer A, Zdunek A. A study of the properties of hemicelluloses adsorbed onto microfibrillar cellulose isolated from apple parenchyma. Food Chem 2024; 430:137116. [PMID: 37566981 DOI: 10.1016/j.foodchem.2023.137116] [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: 04/07/2023] [Revised: 07/27/2023] [Accepted: 08/06/2023] [Indexed: 08/13/2023]
Abstract
Binding assays of commercially available hemicelluloses and pectins, and microfibrillar cellulose isolated form apple parenchyma were prepared. Initial studies showed that among all of the non-cellulosic polysaccharides examined, only the hemicelluloses (xyloglucan, xylan, glucomannan, ß-d-glucan) showed the ability to adsorb to microfibrillar cellulose. Among several adsorption models tested, the best fit was obtained for the Redlich-Peterson isotherm. Moreover, the linear vs. the branched structure and the size of the hemicelluloses have an influence over the extent of the adsorption to cellulose. The Fourier Transform Infrared and Raman spectra showed that a rather weak interaction took place between the hemicelluloses and cellulose. Also, the differential scanning calorimetry and the light scattering method results showed that after adsorption, cellulose has less mobility. Moreover, the mechanical properties of cellulose films changed after the addition of the chosen hemicelluloses and the films became less elastic but more resistant to a breaking force.
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Affiliation(s)
| | - Patrycja Pękala
- Institute of Agrophysics, Polish Academy of Sciences, Doświadczalna 4, 20-290 Lublin, Poland.
| | | | - Jolanta Cieśla
- Institute of Agrophysics, Polish Academy of Sciences, Doświadczalna 4, 20-290 Lublin, Poland.
| | - Piotr M Pieczywek
- Institute of Agrophysics, Polish Academy of Sciences, Doświadczalna 4, 20-290 Lublin, Poland.
| | - Anna Siemińska-Kuczer
- Institute of Agrophysics, Polish Academy of Sciences, Doświadczalna 4, 20-290 Lublin, Poland.
| | - Artur Zdunek
- Institute of Agrophysics, Polish Academy of Sciences, Doświadczalna 4, 20-290 Lublin, Poland.
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9
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Arumughan V, Özeren H, Hedenqvist M, Skepö M, Nypelö T, Hasani M, Larsson A. Anion-Specific Adsorption of Carboxymethyl Cellulose on Cellulose. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2023; 39:15014-15021. [PMID: 37817605 PMCID: PMC10601536 DOI: 10.1021/acs.langmuir.3c01924] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/11/2023] [Revised: 09/18/2023] [Indexed: 10/12/2023]
Abstract
Integration of fiber modification step with a modern pulp mill is a resource efficient way to produce functional fibers. Motivated by the need to integrate polymer adsorption with the current pulping system, anion-specific effects in carboxymethylcellulose (CMC) adsorption have been studied. The QCM-D adsorption experiments revealed that CMC adsorption to the cellulose model surface is prone to anion-specific effects. A correlation was observed between the adsorbed CMC and the degree of hydration of the co-ions present in the magnesium salts. The presence of a chaotropic co-ion such as nitrate increased the adsorption of CMC on cellulose compared to the presence of the kosmotropic sulfate co-ion. However, anion-specificity was not significant in the case of salts containing zinc cations. The hydration of anions determines the distribution of the ions at the interface. Chaotropic ions, such as nitrates, are likely to be distributed near the chaotropic cellulose surface, causing changes in the ordering of water molecules and resulting in greater entropy gain once released from the surface, thus increasing CMC adsorption.
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Affiliation(s)
- Vishnu Arumughan
- Department
of Chemistry and Chemical Engineering, Chalmers
University of Technology, SE-41296 Gothenburg, Sweden
- AvanCell, Chalmers University
of Technology, SE-41296 Gothenburg, Sweden
| | - Hüsamettin
Deniz Özeren
- School
of Engineering Sciences in Chemistry, Biotechnology and Health, Polymeric
Materials Division, Fiber and Polymer Technology, KTH Royal Institute of Technology, SE-100 44 Stockholm, Sweden
| | - Mikael Hedenqvist
- School
of Engineering Sciences in Chemistry, Biotechnology and Health, Polymeric
Materials Division, Fiber and Polymer Technology, KTH Royal Institute of Technology, SE-100 44 Stockholm, Sweden
- Wallenberg
Wood Science Center, KTH Royal Institute
of Technology, SE-100 44 Stockholm, Sweden
- FibRe
Vinnova Competence Center, KTH Royal Institute
of Technology, SE-100 44 Stockholm, Sweden
| | - Marie Skepö
- Division
of Theoretical Chemistry, Lund University, P. O. Box 124, SE-221 00 Lund, Sweden
| | - Tiina Nypelö
- Department
of Chemistry and Chemical Engineering, Chalmers
University of Technology, SE-41296 Gothenburg, Sweden
- Wallenberg
Wood Science Center, Chalmers University
of Technology, SE-41296 Gothenburg, Sweden
| | - Merima Hasani
- Department
of Chemistry and Chemical Engineering, Chalmers
University of Technology, SE-41296 Gothenburg, Sweden
- AvanCell, Chalmers University
of Technology, SE-41296 Gothenburg, Sweden
- Wallenberg
Wood Science Center, Chalmers University
of Technology, SE-41296 Gothenburg, Sweden
| | - Anette Larsson
- Department
of Chemistry and Chemical Engineering, Chalmers
University of Technology, SE-41296 Gothenburg, Sweden
- AvanCell, Chalmers University
of Technology, SE-41296 Gothenburg, Sweden
- Wallenberg
Wood Science Center, Chalmers University
of Technology, SE-41296 Gothenburg, Sweden
- FibRe
Vinnova Competence Center, Chalmers University
of Technology, SE-41296 Gothenburg, Sweden
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10
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Peña-Castro JM, Muñoz-Páez KM, Robledo-Narvaez PN, Vázquez-Núñez E. Engineering the Metabolic Landscape of Microorganisms for Lignocellulosic Conversion. Microorganisms 2023; 11:2197. [PMID: 37764041 PMCID: PMC10535843 DOI: 10.3390/microorganisms11092197] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2023] [Revised: 08/16/2023] [Accepted: 08/18/2023] [Indexed: 09/29/2023] Open
Abstract
Bacteria and yeast are being intensively used to produce biofuels and high-added-value products by using plant biomass derivatives as substrates. The number of microorganisms available for industrial processes is increasing thanks to biotechnological improvements to enhance their productivity and yield through microbial metabolic engineering and laboratory evolution. This is allowing the traditional industrial processes for biofuel production, which included multiple steps, to be improved through the consolidation of single-step processes, reducing the time of the global process, and increasing the yield and operational conditions in terms of the desired products. Engineered microorganisms are now capable of using feedstocks that they were unable to process before their modification, opening broader possibilities for establishing new markets in places where biomass is available. This review discusses metabolic engineering approaches that have been used to improve the microbial processing of biomass to convert the plant feedstock into fuels. Metabolically engineered microorganisms (MEMs) such as bacteria, yeasts, and microalgae are described, highlighting their performance and the biotechnological tools that were used to modify them. Finally, some examples of patents related to the MEMs are mentioned in order to contextualize their current industrial use.
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Affiliation(s)
- Julián Mario Peña-Castro
- Centro de Investigaciones Científicas, Instituto de Biotecnología, Universidad del Papaloapan, Tuxtepec 68301, Oaxaca, Mexico;
| | - Karla M. Muñoz-Páez
- CONAHCYT—Instituto de Ingeniería, Unidad Académica Juriquilla, Universidad Nacional Autónoma de México, Queretaro 76230, Queretaro, Mexico;
| | | | - Edgar Vázquez-Núñez
- Grupo de Investigación Sobre Aplicaciones Nano y Bio Tecnológicas para la Sostenibilidad (NanoBioTS), Departamento de Ingenierías Química, Electrónica y Biomédica, División de Ciencias e Ingenierías, Universidad de Guanajuato, Lomas del Bosque 103, Lomas del Campestre, León 37150, Guanajuato, Mexico
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11
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Gutiérrez A, Aparicio S, Pekarovicova A, Wu Q, Atilhan M. Molecular dynamics study on the interfacial properties of mixtures of monomers of polyvinylpyrrolidone (PVP)-based battery binders on graphene and graphite surfaces. J Chem Phys 2023; 159:044708. [PMID: 37497821 DOI: 10.1063/5.0152997] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2023] [Accepted: 06/26/2023] [Indexed: 07/28/2023] Open
Abstract
This study investigates the behavior of two different mixtures of monomers of polyvinylpyrrolidone (PVP)-based battery binders, polyvinylpyrrolidone:polyvinylidene difluoride (PVP:PVDF) and polyvinylpyrrolidone:polyacrylic acid (PVP:PAA), at graphene and graphite interfaces using classical molecular dynamics simulations. The aim is to identify the best performing monomer binder blend and carbon-based material for the design of battery-optimized energy devices. The PVP:PAA monomer binder blend and graphite are found to have the best interaction energies, densification upon adsorption, and more ordered structure. The adsorption of both monomer binder blends is strongly guided by the higher affinity of PVP and PAA monomeric molecules for the surfaces compared to PVDF. The structure of adsorbed layers of PVP:PVDF monomer binder blend on graphene and graphite develops more quickly than PVP:PAA, indicating faster kinetics. This study complements a previous density functional theory study recently reported by our group and contributes to a better understanding of the nanoscopic features of relevant interfacial regions involving mixtures of monomers of PVP-based battery binders and different carbon-based materials. The effect of a blend of commonly used monomer binders on carbon-based materials is essential for obtaining tightly bound anode and cathode active materials in lithium-ion batteries, which is crucial for designing battery-optimized energy devices.
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Affiliation(s)
- Alberto Gutiérrez
- Chemical and Paper Engineering Department, Western Michigan University Kalamazoo, Michigan 49008-5462, USA
- Department of Chemistry, University of Burgos, 09001 Burgos, Spain
| | | | - Alexandra Pekarovicova
- Chemical and Paper Engineering Department, Western Michigan University Kalamazoo, Michigan 49008-5462, USA
| | - Qingliu Wu
- Chemical and Paper Engineering Department, Western Michigan University Kalamazoo, Michigan 49008-5462, USA
| | - Mert Atilhan
- Chemical and Paper Engineering Department, Western Michigan University Kalamazoo, Michigan 49008-5462, USA
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12
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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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13
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Österberg M, Henn KA, Farooq M, Valle-Delgado JJ. Biobased Nanomaterials─The Role of Interfacial Interactions for Advanced Materials. Chem Rev 2023; 123:2200-2241. [PMID: 36720130 PMCID: PMC9999428 DOI: 10.1021/acs.chemrev.2c00492] [Citation(s) in RCA: 21] [Impact Index Per Article: 21.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
This review presents recent advances regarding biomass-based nanomaterials, focusing on their surface interactions. Plant biomass-based nanoparticles, like nanocellulose and lignin from industry side streams, hold great potential for the development of lightweight, functional, biodegradable, or recyclable material solutions for a sustainable circular bioeconomy. However, to obtain optimal properties of the nanoparticles and materials made thereof, it is crucial to control the interactions both during particle production and in applications. Herein we focus on the current understanding of these interactions. Solvent interactions during particle formation and production, as well as interactions with water, polymers, cells and other components in applications, are addressed. We concentrate on cellulose and lignin nanomaterials and their combination. We demonstrate how the surface chemistry of the nanomaterials affects these interactions and how excellent performance is only achieved when the interactions are controlled. We furthermore introduce suitable methods for probing interactions with nanomaterials, describe their advantages and challenges, and introduce some less commonly used methods and discuss their possible applications to gain a deeper understanding of the interfacial chemistry of biobased nanomaterials. Finally, some gaps in current understanding and interesting emerging research lines are identified.
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Affiliation(s)
- Monika Österberg
- Department of Bioproducts and Biosystems, School of Chemical Engineering, Aalto University, Vuorimiehentie 1, 02150Espoo, Finland
| | - K Alexander Henn
- Department of Bioproducts and Biosystems, School of Chemical Engineering, Aalto University, Vuorimiehentie 1, 02150Espoo, Finland
| | - Muhammad Farooq
- Department of Bioproducts and Biosystems, School of Chemical Engineering, Aalto University, Vuorimiehentie 1, 02150Espoo, Finland
| | - Juan José Valle-Delgado
- Department of Bioproducts and Biosystems, School of Chemical Engineering, Aalto University, Vuorimiehentie 1, 02150Espoo, Finland
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14
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Sarkar D, Santiago IJ, Vermaas JV. Atomistic Origins of Biomass Recalcitrance in Organosolv Pretreatment. Chem Eng Sci 2023. [DOI: 10.1016/j.ces.2023.118587] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/06/2023]
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15
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Stewart CJ, Olgenblum GI, Propst A, Harries D, Pielak GJ. Resolving the enthalpy of protein stabilization by macromolecular crowding. Protein Sci 2023; 32:e4573. [PMID: 36691735 PMCID: PMC9942490 DOI: 10.1002/pro.4573] [Citation(s) in RCA: 14] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2022] [Revised: 01/11/2023] [Accepted: 01/13/2023] [Indexed: 01/25/2023]
Abstract
Proteins in the cellular milieu reside in environments crowded by macromolecules and other solutes. Although crowding can significantly impact the protein folded state stability, most experiments are conducted in dilute buffered solutions. To resolve the effect of crowding on protein stability, we use 19 F nuclear magnetic resonance spectroscopy to follow the reversible, two-state unfolding thermodynamics of the N-terminal Src homology 3 domain of the Drosophila signal transduction protein drk in the presence of polyethylene glycols (PEGs) of various molecular weights and concentrations. Contrary to most current theories of crowding that emphasize steric protein-crowder interactions as the main driving force for entropically favored stabilization, our experiments show that PEG stabilization is accompanied by significant heat release, and entropy disfavors folding. Using our newly developed model, we find that stabilization by ethylene glycol and small PEGs is driven by favorable binding to the folded state. In contrast, for larger PEGs, chemical or soft PEG-protein interactions do not play a significant role. Instead, folding is favored by excluded volume PEG-protein interactions and an exothermic nonideal mixing contribution from release of confined PEG and water upon folding. Our results indicate that crowding acts through molecular interactions subtler than previously assumed and that interactions between solution components with both the folded and unfolded states must be carefully considered.
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Affiliation(s)
- Claire J. Stewart
- Department of ChemistryUniversity of North Carolina at Chapel HillChapel HillNorth CarolinaUSA
| | - Gil I. Olgenblum
- Institute of Chemistry & the Fritz Haber Research Center, The Hebrew UniversityJerusalemIsrael
| | - Ashlee Propst
- Department of ChemistryUniversity of North Carolina at Chapel HillChapel HillNorth CarolinaUSA
| | - Daniel Harries
- Institute of Chemistry & the Fritz Haber Research Center, The Hebrew UniversityJerusalemIsrael
| | - Gary J. Pielak
- Department of ChemistryUniversity of North Carolina at Chapel HillChapel HillNorth CarolinaUSA
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16
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Karna NK, Wohlert J, Hjorth A, Theliander H. Capillary forces exerted by a water bridge on cellulose nanocrystals: the effect of an external electric field. Phys Chem Chem Phys 2023; 25:6326-6332. [PMID: 36779301 DOI: 10.1039/d2cp05563e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
Capillary forces play an important role during the dewatering and drying of nanocellulosic materials. Traditional moisture removal techniques, such as heating, have been proved to be deterimental to the properties of these materials and hence, there is a need to develop novel dewatering techniques without affecting the desired properties of materials. It is, therefore, important to explore novel methods for dewatering these high-added-value materials without negatively influencing their properties. In this context, we explore the effect of electric field on the capillary forces developed by a liquid-water bridge between two cellulosic surfaces, which may be formed during the water removal process following its displacement from the interfibrillar spaces. All-atom molecular dynamics (MD) simulations have been used to study the influence of an externally applied electric field on the capillary force exerted by a water bridge. Our results suggest that the equilibrium contact angle of water and the capillary force exerted by the water bridge between two nanocellulosic surfaces depend on the magnitude and direction of the externally applied electric fields. Hence, an external electric field can be applied to manipulate the capillary forces between two particles. The close agreement between the capillary forces measured through MD simulations and those calculated through classical equations indicates that, within the range of the electric field applied in this study, Young-Laplace equations can be safely employed to predict the capillary forces between two particles. The present study provides insights into the use of electric fields for drying of nanocellulosic materials.
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Affiliation(s)
- Nabin Kumar Karna
- Chalmers University of Technology, Chalmersplatsen-4, Sweden. .,Wallenberg Wood Science Center, The Royal Institute of Technology, Chalmers University of Technology and Linköping University, SE-10044 Stockholm, Sweden
| | - Jakob Wohlert
- Wallenberg Wood Science Center, The Royal Institute of Technology, Chalmers University of Technology and Linköping University, SE-10044 Stockholm, Sweden.,KTH Royal Institute of Technology, Stockholm, Sweden
| | - Anna Hjorth
- Chalmers University of Technology, Chalmersplatsen-4, Sweden. .,Wallenberg Wood Science Center, The Royal Institute of Technology, Chalmers University of Technology and Linköping University, SE-10044 Stockholm, Sweden
| | - Hans Theliander
- Chalmers University of Technology, Chalmersplatsen-4, Sweden.
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17
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Grande R, Räisänen R, Dou J, Rajala S, Malinen K, Nousiainen PA, Österberg M. In Situ Adsorption of Red Onion ( Allium cepa) Natural Dye on Cellulose Model Films and Fabrics Exploiting Chitosan as a Natural Mordant. ACS OMEGA 2023; 8:5451-5463. [PMID: 36816685 PMCID: PMC9933475 DOI: 10.1021/acsomega.2c06650] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/15/2022] [Accepted: 01/20/2023] [Indexed: 06/18/2023]
Abstract
Synthetic dyes and chemicals create an enormous impact on environmental pollution both in textile manufacturing and after the product's lifetime. Biobased plant-derived colorants and mordants have great potential for the development of more sustainable textile dyeing processes. Colorants isolated from biomass residues are renewable, biodegradable, and usually less harmful than their synthetic counterparts. Interestingly, they may also bring additional functions to the materials. However, the extraction and purification of the biocolorants from biomass as well as their dyeing efficiency and color fastness properties require a more thorough examination. Here, we extracted red onion (Allium cepa) skins to obtain polyphenolic flavonoids and anthocyanins as biocolorants, characterized the chemical composition of the mixture, and used a quartz crystal microbalance and thin films of cellulose nanofibrils to study the adsorption kinetics of dyes onto cellulose substrates in situ. The effect of different mordants on the adsorption behavior was also investigated. Comparison of these results with conventional dyeing experiments of textiles enabled us to determine the interaction mechanism of the dyes with substrates and mordants. Chitosan showed high potential as a biobased mordant based both on its ability to facilitate fast adsorption of polyphenols to cellulose and its ability to retain the purple color of the red onion dye (ROD) in comparison to the metal mordants FeSO4 and alum. The ROD also showed excellent UV-shielding efficiency at low concentrations, suggesting that biocolorants, due to their more complex composition compared to synthetic ones, can have multiple actions in addition to providing aesthetics.
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Affiliation(s)
- Rafael Grande
- Department
of Bioproducts and Biosystems, School of Chemical Engineering, Aalto University, Vuorimiehentie 1, 02150Espoo, Finland
| | - Riikka Räisänen
- Craft
Science, University of Helsinki, Siltavuorenpenger 10, 00014Helsinki, Finland
| | - Jinze Dou
- Department
of Bioproducts and Biosystems, School of Chemical Engineering, Aalto University, Vuorimiehentie 1, 02150Espoo, Finland
| | - Satu Rajala
- Craft
Science, University of Helsinki, Siltavuorenpenger 10, 00014Helsinki, Finland
| | - Kiia Malinen
- Department
of Bioproducts and Biosystems, School of Chemical Engineering, Aalto University, Vuorimiehentie 1, 02150Espoo, Finland
| | - Paula A. Nousiainen
- Department
of Bioproducts and Biosystems, School of Chemical Engineering, Aalto University, Vuorimiehentie 1, 02150Espoo, Finland
| | - Monika Österberg
- Department
of Bioproducts and Biosystems, School of Chemical Engineering, Aalto University, Vuorimiehentie 1, 02150Espoo, Finland
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18
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Voisin H, Vasse A, Bonnin E, Capron I. Influence of Low-Molar-Mass Xyloglucans on the Rheological Behavior of Concentrated Cellulose Nanocrystal Suspensions. Biomacromolecules 2023; 24:358-366. [PMID: 36525635 DOI: 10.1021/acs.biomac.2c01172] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Hydrogels were prepared at high solid contents (70-100 g/L) with cellulose nanocrystals (CNC) and very short xyloglucans (XGs). At 70 g/L, CNCs form cholesteric liquid crystals regularly spaced by a distance of 30 nm. This structure was preserved after adsorption of XG with a molar mass (Mw) of 20,000 g/mol (XG20) but was lost at 40,000 g/mol (XG40). Rheological measurements discriminated domains where an increasing Mw from XG20 to XG40 gave rise to drastic changes in storage moduli (on 3 orders of magnitude). At 40,000 g/mol, transient systems were obtained and a re-entrant glass-gel-glass transition was observed with increasing XG concentrations. This was interpreted in terms of the length and stiffness of the chain in relation to the inter-CNC distance. Liquid-to-glass-to-gel transitions were attributed to an XG adsorption type according to train or trail conformations or interconnected structures. Such tunable properties may further have implications on the in vivo role of XG during cell wall extension.
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19
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Xylan-cellulose thin film platform for assessing xylanase activity. Carbohydr Polym 2022; 294:119737. [DOI: 10.1016/j.carbpol.2022.119737] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2022] [Revised: 06/01/2022] [Accepted: 06/12/2022] [Indexed: 11/18/2022]
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20
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Leray N, Talantikite M, Villares A, Cathala B. Xyloglucan-cellulose nanocrystal-chitosan double network hydrogels for soft actuators. Carbohydr Polym 2022; 293:119753. [DOI: 10.1016/j.carbpol.2022.119753] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2022] [Revised: 06/11/2022] [Accepted: 06/15/2022] [Indexed: 11/02/2022]
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21
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Haouache S, Chen Y, Jimenez-Saelices C, Cousin F, Chen P, Nishiyama Y, Jerome F, Capron I. Edge-On (Cellulose II) and Face-On (Cellulose I) Adsorption of Cellulose Nanocrystals at the Oil-Water Interface: A Combined Entropic and Enthalpic Process. Biomacromolecules 2022; 23:3517-3524. [PMID: 36044601 PMCID: PMC9472801 DOI: 10.1021/acs.biomac.2c00201] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2022] [Revised: 08/09/2022] [Indexed: 11/29/2022]
Abstract
Nanocelluloses can be used to stabilize oil-water surfaces, forming so-called Pickering emulsions. In this work, we compare the organization of native and mercerized cellulose nanocrystals (CNC-I and CNC-II) adsorbed on the surface of hexadecane droplets dispersed in water at different CNC concentrations. Both types of CNCs have an elongated particle morphology and form a layer strongly adsorbed at the interface. However, while the layer thickness formed with CNC-I is independent of the concentration at 7 nm, CNC-II forms a layer ranging from 9 to 14 nm thick with increasing concentration, as determined using small-angle neutron scattering with contrast-matched experiments. Molecular dynamics (MD) simulations showed a preferred interacting crystallographic plane for both crystalline allomorphs that exposes the CH groups (100 and 010) and is therefore considered hydrophobic. Furthermore, this study suggests that whatever the allomorph, the migration of CNCs to the oil-water interface is spontaneous and irreversible and is driven by both enthalpic and entropic processes.
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Affiliation(s)
- Somia Haouache
- INRAE,
UR BIA, F-44316 Nantes, France
- ICMMP, Université de Poitiers-CNRS, 86000 Poitiers, France
| | - Yu Chen
- Beijing
Engineering Research Centre of Cellulose and Its Derivatives, School
of Materials Science and Engineering, Beijing
Institute of Technology, 100081 Beijing, P. R. China
| | | | - Fabrice Cousin
- Laboratoire
Léon Brillouin, Université
Paris-Saclay, CEA-CNRS, CEA-Saclay, 91191 Gif-sur-Yvette, France
| | - Pan Chen
- Beijing
Engineering Research Centre of Cellulose and Its Derivatives, School
of Materials Science and Engineering, Beijing
Institute of Technology, 100081 Beijing, P. R. China
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22
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Modulation of ice crystal formation behavior in pectin cryogel by xyloglucan: Effect on microstructural and mechanical properties. Food Res Int 2022; 159:111555. [DOI: 10.1016/j.foodres.2022.111555] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2022] [Revised: 06/14/2022] [Accepted: 06/21/2022] [Indexed: 11/24/2022]
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23
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Abstract
Glycoscience assembles all the scientific disciplines involved in studying various molecules and macromolecules containing carbohydrates and complex glycans. Such an ensemble involves one of the most extensive sets of molecules in quantity and occurrence since they occur in all microorganisms and higher organisms. Once the compositions and sequences of these molecules are established, the determination of their three-dimensional structural and dynamical features is a step toward understanding the molecular basis underlying their properties and functions. The range of the relevant computational methods capable of addressing such issues is anchored by the specificity of stereoelectronic effects from quantum chemistry to mesoscale modeling throughout molecular dynamics and mechanics and coarse-grained and docking calculations. The Review leads the reader through the detailed presentations of the applications of computational modeling. The illustrations cover carbohydrate-carbohydrate interactions, glycolipids, and N- and O-linked glycans, emphasizing their role in SARS-CoV-2. The presentation continues with the structure of polysaccharides in solution and solid-state and lipopolysaccharides in membranes. The full range of protein-carbohydrate interactions is presented, as exemplified by carbohydrate-active enzymes, transporters, lectins, antibodies, and glycosaminoglycan binding proteins. A final section features a list of 150 tools and databases to help address the many issues of structural glycobioinformatics.
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Affiliation(s)
- Serge Perez
- Centre de Recherche sur les Macromolecules Vegetales, University of Grenoble-Alpes, Centre National de la Recherche Scientifique, Grenoble F-38041, France
| | - Olga Makshakova
- FRC Kazan Scientific Center of Russian Academy of Sciences, Kazan Institute of Biochemistry and Biophysics, Kazan 420111, Russia
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24
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Zhao P, Tong Y, Ma N, Han B, Dong X, Qi M. Molecular Dynamics Simulations and Experimental Studies of the Microstructure and Mechanical Properties of a Silicone Oil/Functionalized Ionic Liquid-Based Magnetorheological Fluid. ACS APPLIED MATERIALS & INTERFACES 2022; 14:10987-10997. [PMID: 35175022 DOI: 10.1021/acsami.1c23925] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Magnetorheological (MR) fluids are smart materials that show enormous potential in vibration control, mechanical engineering, etc. However, the effects of the solid-liquid interface strength and the interaction strength between carrier liquid molecules on the mechanical properties and sedimentation stability of MR fluids have always been unresolved issues. This work presents a new type of MR fluid that has a novel carrier liquid, i.e., silicone oil (SO) mixed with a hydroxyl-functionalized ionic liquid (IL-OH). An all-atomic Fe/SO/IL-OH interface model for studying the relationship between mechanical properties and interface strength and intermolecular interactions is established. On the basis of simulation results and theoretical analyses, the mechanical properties and sedimentation stability of the SO/IL-OH-based MR fluids are thoroughly investigated by experiments. The results show that functional ionic liquids significantly improve the mechanical properties and sedimentation stability of MR fluids. These results are essentially attributed to the stronger solid-liquid interface strength, van der Waals forces, and hydrogen bonds between the silicone oil and the functional ionic liquid. The explicit results not only help elucidate the numerous phenomena involved in the research process for MR fluids at the atomic scale but also provide insightful information on the fabrication of high-performance MR fluids.
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Affiliation(s)
- Penghui Zhao
- School of Materials Science and Engineering, Dalian University of Technology, Dalian 116024, China
| | - Yu Tong
- School of Materials Science and Engineering, Dalian University of Technology, Dalian 116024, China
| | - Ning Ma
- School of Civil Engineering, Dalian University of Technology, Dalian 116024, China
| | - Baoguo Han
- School of Civil Engineering, Dalian University of Technology, Dalian 116024, China
| | - Xufeng Dong
- School of Materials Science and Engineering, Dalian University of Technology, Dalian 116024, China
| | - Min Qi
- School of Materials Science and Engineering, Dalian University of Technology, Dalian 116024, China
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25
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Guo Y, Xie W, Li H, Li J, Hu J, Liu H. Construction of hydrophobic channels on Cu(I)-MOF surface to improve selective adsorption desulfurization performance in presence of water. Sep Purif Technol 2022. [DOI: 10.1016/j.seppur.2021.120287] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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26
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Heinonen E, Henriksson G, Lindström ME, Vilaplana F, Wohlert J. Xylan adsorption on cellulose: Preferred alignment and local surface immobilizing effect. Carbohydr Polym 2022; 285:119221. [DOI: 10.1016/j.carbpol.2022.119221] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2021] [Revised: 01/31/2022] [Accepted: 02/01/2022] [Indexed: 12/22/2022]
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27
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Nanthamathee C, Chantarangkul C, Jakkrawhad C, Payaka A, Dechatiwongse P. Fine-tuning the dye adsorption capacity of UiO-66 by a mixed-ligand approach. Heliyon 2022; 8:e08961. [PMID: 35243081 PMCID: PMC8866059 DOI: 10.1016/j.heliyon.2022.e08961] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2021] [Revised: 12/12/2021] [Accepted: 02/10/2022] [Indexed: 11/24/2022] Open
Abstract
The mixed ligand synthetic approach offers an alternative to engineering a specific character in metal-organic framework (MOFs) materials. Herein, we synthesized and characterized a well-known prototype zirconium-based-MOF, so-called UiO-66, and its mixed ligand derivatives UiO-66-xATA, where x is mole fraction (0.5, 0.75, and 1.0) and ATA is 2-animoterephthalate. The study investigates whether the dye adsorption capacity can be tuned/enhanced by the ATA ligand substitution into the framework. We found that, at room temperature, UiO-66-0.75ATA shows the highest adsorption capacity toward various dye solutions, including methylene blue (MB), indigo carmine (IC), and congo red (CR). The optimum adsorption conditions in all four materials were in a common trend where their adsorption capacities can be increased with decreasing pH and adsorbent dose, increasing IC concentration, contact time, and temperature. Pseudo-second order kinetics model fits best with their adsorption data, where UiO-66-ATA has the fastest adsorption rate. Langmuir and Freundlich isotherms were found best to describe adsorption behavior in ATA-containing UiO-66 and UiO-66, respectively, where adsorption processes were found to be physisorption. Confirming by thermodynamic studies, the adsorption in all four materials occurred spontaneously, driven by entropy. Computational studies showed ligand to metal charge transfer where the distribution of electron densities was varied with the amount of functionalized ligand. Adsorption mechanism is proposed as a synergistic interplay between electrostatic interaction and hydrogen bonding. The findings in this work broaden the potential strategy to fine-tune the dye adsorption capacity in MOF materials.
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Affiliation(s)
- Chompoonoot Nanthamathee
- Department of Chemistry, School of Science, Walailak University, Nakhon Si Thammarat, 80160, Thailand.,Center of Excellence on Wood and Biomaterials, Walailak University, Nakhon Si Thammarat, 80160, Thailand
| | | | - Chanida Jakkrawhad
- Department of Chemistry, School of Science, Walailak University, Nakhon Si Thammarat, 80160, Thailand
| | - Apirak Payaka
- Department of Chemistry, School of Science, Walailak University, Nakhon Si Thammarat, 80160, Thailand
| | - Pongsathorn Dechatiwongse
- Department of Chemical Engineering, School of Engineering and Technology, Walailak University, Nakhon Si Thammarat, 80160, Thailand
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28
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Hrmova M, Stratilová B, Stratilová E. Broad Specific Xyloglucan:Xyloglucosyl Transferases Are Formidable Players in the Re-Modelling of Plant Cell Wall Structures. Int J Mol Sci 2022; 23:ijms23031656. [PMID: 35163576 PMCID: PMC8836008 DOI: 10.3390/ijms23031656] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2022] [Revised: 01/25/2022] [Accepted: 01/26/2022] [Indexed: 01/27/2023] Open
Abstract
Plant xyloglucan:xyloglucosyl transferases, known as xyloglucan endo-transglycosylases (XETs) are the key players that underlie plant cell wall dynamics and mechanics. These fundamental roles are central for the assembly and modifications of cell walls during embryogenesis, vegetative and reproductive growth, and adaptations to living environments under biotic and abiotic (environmental) stresses. XET enzymes (EC 2.4.1.207) have the β-sandwich architecture and the β-jelly-roll topology, and are classified in the glycoside hydrolase family 16 based on their evolutionary history. XET enzymes catalyse transglycosylation reactions with xyloglucan (XG)-derived and other than XG-derived donors and acceptors, and this poly-specificity originates from the structural plasticity and evolutionary diversification that has evolved through expansion and duplication. In phyletic groups, XETs form the gene families that are differentially expressed in organs and tissues in time- and space-dependent manners, and in response to environmental conditions. Here, we examine higher plant XET enzymes and dissect how their exclusively carbohydrate-linked transglycosylation catalytic function inter-connects complex plant cell wall components. Further, we discuss progress in technologies that advance the knowledge of plant cell walls and how this knowledge defines the roles of XETs. We construe that the broad specificity of the plant XETs underscores their roles in continuous cell wall restructuring and re-modelling.
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Affiliation(s)
- Maria Hrmova
- Jiangsu Collaborative Innovation Centre for Regional Modern Agriculture and Environmental Protection, School of Life Science, Huaiyin Normal University, Huai’an 223300, China
- School of Agriculture, Food and Wine & Waite Research Institute, University of Adelaide, Glen Osmond, SA 5064, Australia
- Correspondence: ; Tel.: +61-8-8313-0775
| | - Barbora Stratilová
- Institute of Chemistry, Centre for Glycomics, Slovak Academy of Sciences, SK-84538 Bratislava, Slovakia; (B.S.); (E.S.)
- Faculty of Natural Sciences, Department of Physical and Theoretical Chemistry, Comenius University, SK-84215 Bratislava, Slovakia
| | - Eva Stratilová
- Institute of Chemistry, Centre for Glycomics, Slovak Academy of Sciences, SK-84538 Bratislava, Slovakia; (B.S.); (E.S.)
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Modarresi M, Zozoulenko IV. Why does solvent treatment increase conductivity of PEDOT:PSS? Insight from molecular dynamics simulations. Phys Chem Chem Phys 2022; 24:22073-22082. [DOI: 10.1039/d2cp02655d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Poly(3,4-ethylenedioxythiophene):polystyrenesulfonate (PEDOT:PSS) is one of the most important conducting polymers. In its pristine form its electrical conductivity is low, but it can be enhanced by several orders of magnitude by...
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Arumughan V, Nypelö T, Hasani M, Larsson A. Calcium Ion-Induced Structural Changes in Carboxymethylcellulose Solutions and Their Effects on Adsorption on Cellulose Surfaces. Biomacromolecules 2021; 23:47-56. [PMID: 34936336 PMCID: PMC8753602 DOI: 10.1021/acs.biomac.1c00895] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
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The adsorption of
carboxymethylcellulose (CMC) on cellulose surfaces
is one of the most studied examples of the adsorption of an anionic
polyelectrolyte on a like-charged surface. It has been suggested that
divalent ions can act as a bridge between CMC chains and the surface
of cellulose and enhance the CMC adsorption: they can, however, also
alter the structure of CMCs in the solution. In previous investigations,
the influence of cations on solution properties has been largely overlooked.
This study investigates the effect of Ca2+ ions on the
properties of CMC solutions as well as the influence on cellulose
nanofibers (CNFs), which was studied by dynamic light scattering and
correlated with the adsorption of CMC on a cellulose surface probed
using QCM-D. The presence of Ca2+ facilitated the multichain
association of CMC chains and increased the hydrodynamic diameter.
This suggests that the adsorption of CMCs at high concentrations of
CaCl2 is governed mainly by changes in solution properties
rather than by changes in the cellulose surface. Furthermore, an entropy-driven
mechanism has been suggested for the adsorption of CMC on cellulose.
By comparing the adsorption of CMC from H2O and D2O, it was found that the release of water from the cellulose surface
is driving the adsorption of CMC.
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Affiliation(s)
- Vishnu Arumughan
- Department of Chemistry and Chemical Engineering, Chalmers University of Technology, SE-412 96 Gothenburg, Sweden.,AvanCell, Chalmers University of Technology, SE-412 96 Gothenburg, Sweden
| | - Tiina Nypelö
- Department of Chemistry and Chemical Engineering, Chalmers University of Technology, SE-412 96 Gothenburg, Sweden.,Wallenberg Wood Science Center, Chalmers University of Technology, SE-412 96 Gothenburg, Sweden
| | - Merima Hasani
- Department of Chemistry and Chemical Engineering, Chalmers University of Technology, SE-412 96 Gothenburg, Sweden.,AvanCell, Chalmers University of Technology, SE-412 96 Gothenburg, Sweden.,Wallenberg Wood Science Center, Chalmers University of Technology, SE-412 96 Gothenburg, Sweden
| | - Anette Larsson
- Department of Chemistry and Chemical Engineering, Chalmers University of Technology, SE-412 96 Gothenburg, Sweden.,AvanCell, Chalmers University of Technology, SE-412 96 Gothenburg, Sweden.,Wallenberg Wood Science Center, Chalmers University of Technology, SE-412 96 Gothenburg, Sweden.,FibRe─Centre for Lignocellulose-based Thermoplastics, Department of Chemistry and Chemical Engineering, Chalmers University of Technology, SE-412 96 Gothenburg, Sweden
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Acero PN, Mohr S, Bernabei M, Fernández C, Domínguez B, Ewen JP. Molecular Simulations of Surfactant Adsorption on Iron Oxide from Hydrocarbon Solvents. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2021; 37:14582-14596. [PMID: 34878282 DOI: 10.1021/acs.langmuir.1c02133] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
The performance of organic friction modifiers (OFMs) depends on their ability to adsorb onto surfaces and form protective monolayers. Understanding the relationship between OFM concentration in the base oil and the resulting surface coverage is important for improving lubricant formulations. Here, we use molecular dynamics (MD) simulations to study the adsorption of three OFMs─stearic acid (SA), glycerol monoostearate (GMS), and glycerol monooleate (GMO)─onto a hematite surface from two hydrocarbon solvents─n-hexadecane and poly(α-olefin) (PAO). We calculate the potential of mean force of the adsorption process using the adaptive biasing force algorithm, and the adsorption strength increases in the order SA < GMS < GMO. We estimate the minimum area occupied by OFM molecules on the surface using annealing MD simulations and obtained a similar hard-disk area for GMS and GMO but a lower value for SA. Using the MD results, we determine the adsorption isotherms using the molecular thermodynamic theory (MTT), which agree well with one previous experimental data set for SA on hematite. For two other experimental data sets for SA, lateral interactions between surfactant molecules need to be accounted for within the MTT framework. SA forms monolayers with lower surface coverage than GMO and GMS at low concentrations but also has the highest plateau coverage. We validate the adsorption energies from the MD simulations using high-frequency reciprocating rig friction experiments with different concentrations of the OFMs in PAO. For OFMs with saturated tailgroups (SA and GMS), we obtain good agreement between the simulations and the experiments. The results deviate for OFMs containing Z-unsaturated tailgroups (GMO) due to the additional steric hindrance, which is not accounted for in the current simulation framework. This study demonstrates that MD simulations, alongside MTT, are an accurate and efficient tool to predict adsorption isotherms at solid-liquid interfaces.
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Affiliation(s)
- Pablo Navarro Acero
- Nextmol (Bytelab Solutions SL), Carrer de Roc Boronat 117, 08 018 Barcelona, Spain
- Barcelona Supercomputing Center (BSC-CNS), Plaça Eusebi Güell, 1-3, 08 034 Barcelona, Spain
| | - Stephan Mohr
- Nextmol (Bytelab Solutions SL), Carrer de Roc Boronat 117, 08 018 Barcelona, Spain
- Barcelona Supercomputing Center (BSC-CNS), Plaça Eusebi Güell, 1-3, 08 034 Barcelona, Spain
| | - Marco Bernabei
- Repsol Technology Lab, DC Technology & Corporate Venturing, Agustín de Betancourt s/n, 28 935 Mostoles, Madrid, Spain
| | - Carlos Fernández
- Repsol Technology Lab, DC Technology & Corporate Venturing, Agustín de Betancourt s/n, 28 935 Mostoles, Madrid, Spain
| | - Beatriz Domínguez
- Repsol Technology Lab, DC Technology & Corporate Venturing, Agustín de Betancourt s/n, 28 935 Mostoles, Madrid, Spain
| | - James P Ewen
- Department of Mechanical Engineering, Imperial College London, South Kensington Campus, London SW7 2AZ, U.K
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Combining computational and experimental studies for a better understanding of cellulose and its analogs. Adv Carbohydr Chem Biochem 2021; 80:1-14. [PMID: 34872654 DOI: 10.1016/bs.accb.2021.10.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Over the last decade, the structural refinement of cellulose allomorphs and their analogs has been advanced using high-resolution fiber diffraction. This also includes structures of crystals complexed with small molecules, which can inherently involve disorders. Computational methods, including density functional theory, in combination with molecular modeling are leading to improved structural analyses. Spectroscopic techniques such as vibrational spectroscopy give quantitative and robust data directly related to structural insights on cellulose. These data will benefit from improved molecular modeling's capacity for interpretation and will also serve as a gauge to measure the capacity of molecular modeling as an aid in structural determinations. Improvement in the capacity to directly simulate experimental data such as that from scattering, diffraction, and spectra will be the key for further integration of modeling and experimental approaches.
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Arumughan V, Nypelö T, Hasani M, Larsson A. Fundamental aspects of the non-covalent modification of cellulose via polymer adsorption. Adv Colloid Interface Sci 2021; 298:102529. [PMID: 34773888 DOI: 10.1016/j.cis.2021.102529] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2021] [Revised: 09/24/2021] [Accepted: 09/25/2021] [Indexed: 12/13/2022]
Abstract
The increasing need for new material applications based on cellulose demands increased functional diversity and thus new functionalisation/modification approaches. The non-covalent modification of cellulose fibres via the adsorption of functional polymers has emerged as a promising route for tailoring the properties of material. This review focuses on fundamental aspects of polymer adsorption on cellulose surfaces, where the adsorption of polyelectrolytes and non-polyelectrolytes are treated separately. Adsorption studies on model surfaces as well as cellulose macro-fibres are reviewed. A correlation of the adsorption findings with the Scheutjens-Fleer polymer adsorption theory is provided, allowing the fundamentals behind the polymer adsorption phenomenon and its context in utilization of cellulose fibres to be understood.
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