The Accessibility of the Cell Wall in Scots Pine (Pinus sylvestris L.) Sapwood to Colloidal Fe3O4 Nanoparticles
| Autor: | Zivile Stankeviciute, Dick Sandberg, Sarah L. Stoll, Aivaras Kareiva, Henrik Lycksam, Edita Garskaite, Alberto Manuel Quintana, Kai Liu, Christopher Jensen, Fredrik Forsberg |
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| Přispěvatelé: | Swedish Research Council for Environment, Agricultural Sciences and Spatial Planning, National Science Foundation (US) |
| Jazyk: | angličtina |
| Rok vydání: | 2021 |
| Předmět: |
wood
colloidall nanopraticles sapwood Fe3O4 wood modification Thermogravimetric analysis Magnetic-woodray Materials science biology Scanning electron microscope General Chemical Engineering Microromography Scots pine General Chemistry Materials Engineering Chemical Engineering biology.organism_classification Article Nanomaterials Chemistry Computed-tomography Chemical engineering Transmission electron microscopy Trävetenskap Magnetic nanoparticles Thermal stability Wood Science Fourier transform infrared spectroscopy QD1-999 |
| Zdroj: | ACS Omega ACS omega, vol 6, iss 33 ACS omega, Washington : American Chemical Society, 2021, vol. 6, no 33, p. 1-11 Digital.CSIC. Repositorio Institucional del CSIC instname ACS Omega, Vol 6, Iss 33, Pp 21719-21729 (2021) |
| ISSN: | 2470-1343 |
| Popis: | This work presents a rapid and facile way to access the cell wall of wood with magnetic nanoparticles (NPs), providing insights into a method of wood modification to prepare hybrid bio-based functional materials. Diffusion-driven infiltration into Scots pine (Pinus sylvestris L.) sapwood was achieved using colloidal Fe3O4 nanoparticles. Optical microscopy, scanning electron microscopy/energy-dispersive X-ray spectroscopy, transmission electron microscopy, and X-ray powder diffraction analyses were used to detect and assess the accessibility of the cell wall to Fe3O4. The structural changes, filling of tracheids (cell lumina), and NP infiltration depth were further evaluated by performing X-ray microcomputed tomography analysis. Fourier transform infrared spectroscopy was used to assess the chemical changes in Scots pine induced by the interaction of the wood with the solvent. The thermal stability of Fe3O4-modified wood was studied by thermogravimetric analysis. Successful infiltration of the Fe3O4 NPs was confirmed by measuring the magnetic properties of cross-sectioned layers of the modified wood. The results indicate the feasibility of creating multiple functionalities that may lead to many future applications, including structural nanomaterials with desirable thermal properties, magnetic devices, and sensors. The work has been supported by the Swedish Research Council for Environment, Agricultural Sciences and Spatial Planning (FORMAS) in the Project “Utilization of solid inorganic waste from the aquaculture industry as wood reinforcement material for flame retardancy” (Grant No. 2018-01198). Magnetic characterization at G.U. has been supported by the US NSF (ECCS-1933527). The acquisition of a Magnetic Property Measurement System (MPMS3, Quantum Design) at G.U. used here was supported by the US NSF (DMR-1828420). We acknowledge Dr. Agnieszka Ziolkowska at the Umeå Centre for Electron Microscopy (UCEM), Sweden, and the National Microscopy Infrastructure, NMI (VR-RFI 2019-00217) for providing assistance in TEM microscopy. |
| Databáze: | OpenAIRE |
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