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The Accessibility of the Cell Wall in Scots Pine (Pinus sylvestris L.) Sapwood to Colloidal Fe3O4 Nanoparticles

Garskaite, Edita (author)
Luleå tekniska universitet,Träteknik
Stoll, Sarah L. (author)
Chemistry Department, Georgetown University, Washington, D.C. 20057, United States
Forsberg, Fredrik (author)
Luleå tekniska universitet,Strömningslära och experimentell mekanik
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Lycksam, Henrik (author)
Luleå tekniska universitet,Strömningslära och experimentell mekanik
Stankeviciute, Zivile (author)
Institute of Chemistry, Faculty of Chemistry and Geosciences, Vilnius University, Vilnius LT- 03225, Lithuania
Kareiva, Aivaras (author)
Institute of Chemistry, Faculty of Chemistry and Geosciences, Vilnius University, Vilnius LT-03225, Lithuania
Quintana, Alberto (author)
Physics Department, Georgetown University, Washington, D.C. 20057, United States
Jensen, Christopher J. (author)
Physics Department, Georgetown University, Washington, D.C. 20057, United States
Liu, Kai (author)
Physics Department, Georgetown University, Washington, D.C. 20057, United States
Sandberg, Dick, 1967- (author)
Luleå tekniska universitet,Träteknik
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 (creator_code:org_t)
2021-08-10
2021
English.
In: ACS Omega. - : American Chemical Society (ACS). - 2470-1343. ; 6:33, s. 21719-21729
Related links:
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  • Journal article (peer-reviewed)
Abstract Subject headings
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  • 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. 

Subject headings

LANTBRUKSVETENSKAPER  -- Lantbruksvetenskap, skogsbruk och fiske -- Trävetenskap (hsv//swe)
AGRICULTURAL SCIENCES  -- Agriculture, Forestry and Fisheries -- Wood Science (hsv//eng)

Keyword

Träteknik
Wood Science and Engineering
Strömningslära
Fluid Mechanics
Experimentell mekanik
Experimental Mechanics

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