Search Results - "Salmén, Lennart"

Pore and Matrix Distribution in the Fiber Wall Revealed by Atomic Force Microscopy and Image Analysis by Fahlén, Jesper, Salmén, Lennart

“…A method for the ultrastructural investigation of fiber cross-sections based on atomic force microscopy in combination with image analysis is presented. A…”
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Characterization of the crystalline structure of cellulose using static and dynamic FT-IR spectroscopy by Åkerholm, Margaretha, Hinterstoisser, Barbara, Salmén, Lennart

“…A new method based on dynamic FT-IR spectroscopy for the estimation of the allomorph composition of native cellulose in pulp samples is presented. The…”
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On the organization of hemicelluloses in the wood cell wall by Salmén, Lennart

“…The structural arrangement of the polymers in the cell wall of wood has still not been fully established. This relates specifically to the role of the two…”
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The association of water to cellulose and hemicellulose in paper examined by FTIR spectroscopy by Olsson, Anne-Mari, Salmén, Lennart

“…The nature of water sorption to cellulose and hemicellulose is examined by FTIR spectroscopy. The moisture was found to be adsorbed homogeneously to all…”
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Wood morphology and properties from molecular perspectives by Salmen, Lennart

“…• Background It is with increasing interest that wood materials are now being considered as a green resource. For improving the product performance of wood…”
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Changes of wood cell walls in response to hygro-mechanical steam treatment by Guo, Juan, Song, Kunlin, Salmén, Lennart, Yin, Yafang

“…•Imaging FT-IR microscopy may follow changes on the cell wall level.•Compression steam treatment causes larger changes in earlywood properties.•Compression…”
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Effect of drying conditions on cellulose microfibril aggregation and “hornification” by Salmén, Lennart, Stevanic, Jasna S.

“…Drying of chemical pulps results in a decreased swelling of the fibres, leading to lower density and strength properties of paper sheets. To investigate how…”
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Development of lignin carbon fibers: Evaluation of the carbonization process by Kleinhans, Henrik, Salmén, Lennart

“…ABSTRACT The use of lignin as a renewable resource for the production of less‐expensive carbon fibers has in recent years attracted great interest. In order to…”
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Effect of Steam Treatment on the Properties of Wood Cell Walls by Yin, Yafang, Berglund, Lars, Salmén, Lennart

“…Steam treatment is a hygrothermal method of potential industrial significance for improving the dimensional stability and durability of wood materials. The…”
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Cell wall polymer distribution in bamboo visualized with in situ imaging FTIR by Zhu, Jiawei, Wang, Hankun, Guo, Fei, Salmén, Lennart, Yu, Yan

“…To better understand the high recalcitrance of bamboo during bioconversion, the fine spatial distribution of polymers in bamboo was studied with Imaging FTIR…”
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Hygroscopicity, degradation and thermal stability of isolated bamboo fibers and parenchyma cells upon moderate heat treatment by Guo, Fei, Zhang, Xuexia, Yang, Rilong, Salmén, Lennart, Yu, Yan

“…Parenchyma cells and fibers are the two dominant types of cells in the bamboo culm. Their mechanical and biological functions in bamboo differ substantially,…”
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On the origin of sorption hysteresis in cellulosic materials by Salmén, Lennart, Larsson, Per A.

“…[Display omitted] •Increased temperature reduces moisture hysteresis.•Decreased softening temperature reduces moisture hysteresis.•Cellulosic materials…”
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Why Do Bamboo Parenchyma Cells Show Higher Nanofibrillation Efficiency than Fibers: An Investigation on Their Hierarchical Cell Wall Structure by Zhang, Xuexia, Guo, Fei, Yu, Zuofeng, Cao, Mengdan, Wang, Hankun, Yang, Rilong, Yu, Yan, Salmén, Lennart

“…The cell walls of parenchyma cells and fibers in bamboo are both highly lignified with secondary thickening. However, the former were found to have much higher…”
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Micromechanical understanding of the cell-wall structure by Salmén, Lennart

“…For improving properties of pulp fibres, a better understanding of the relationships between its macroscopic mechanical properties, fibre ultrastructure, and…”
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Creep properties of compression wood fibers by Peng, Hui, Salmén, Lennart, Jiang, Jiali, Lu, Jianxiong

“…To achieve efficient utilization of compression wood (CW), a deeper insight into the creep behavior of CW is necessary. In particular, the involvement of…”
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Moisture induced straining of the cellulosic microfibril by Salmén, Lennart, Stevanic, Jasna S., Holmqvist, Claes, Yu, Shun

“…Moisture absorption in the cell wall structure of wood is well known to induce considerable swelling of the wood exerting high expansion forces. This swelling…”
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Moisture adsorption of glucomannan and xylan hemicelluloses by Kulasinski, Karol, Salmén, Lennart, Derome, Dominique, Carmeliet, Jan

“…Wood and wood materials are highly sensitive to moisture in the environment. To a large extent this relates to the hygroscopicity of wood hemicelluloses. In…”
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Non-exchanging hydroxyl groups on the surface of cellulose fibrils: The role of interaction with water by Lindh, Erik L., Bergenstråhle-Wohlert, Malin, Terenzi, Camilla, Salmén, Lennart, Furó, István

“…The interaction of water with cellulose stages many unresolved questions. Here 2H MAS NMR and IR spectra recorded under carefully selected conditions in 1H-2H…”
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Cellulose structural arrangement in relation to spectral changes in tensile loading FTIR by Salmén, Lennart, Bergström, Elina

“…In order to utilise wood and wood fibres in advanced materials, a better understanding of the mechanical material characteristics and the interactions among…”
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Molecular origin of mechano-sorptive creep in cellulosic fibres by S Stevanic, Jasna, Salmén, Lennart

“…•During loading of cellulosic materials an increased moisture sorption occurs.•Under mechano-sorptive creep conditions new previously unavailable hydroxyls are…”
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