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The spatial modulat...
The spatial modulation of microfibril angle in the woody tissue of maturing tree stems studied with synchrotron radiation
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- Jarrett, K. J. (författare)
- Physics and Astronomy, Curtin University, Kent Street, Bentley, 6102, WA, Australia; Australian Centre for Neutron Scattering, Australian Nuclear Science and Technology Organisation, PMB 1, Menai, 2234, NSW, Australia
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- Kirby, N. (författare)
- Australian Synchrotron, Australian Nuclear Science and Technology Organisation, Clayton, 3168, VIC, Australia
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- Buckley, C. E. (författare)
- Physics and Astronomy, Curtin University, Kent Street, Bentley, 6102, WA, Australia
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- Garvey, Christopher J. (författare)
- Malmö University,Lund University,Lunds universitet,Malmö universitet,Institutionen för biomedicinsk vetenskap (BMV),Biofilms Research Center for Biointerfaces,Australian Centre for Neutron Scattering, Australian Nuclear Science and Technology Organisation, PMB 1, Menai, 2234, NSW, Australia; Lund Institute for Advanced Neutron and X-ray Scattering, IDEON Building: Delta 5, Scheelevägen 19, Lund, 22370, Sweden,LINXS - Institute of advanced Neutron and X-ray Science,Kemiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Department of Chemistry,Departments at LTH,Faculty of Engineering, LTH
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(creator_code:org_t)
- CSIRO Publishing, 2020
- 2020
- Engelska.
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Ingår i: Australian Journal of Botany. - : CSIRO Publishing. - 0067-1924 .- 1444-9862. ; 68:4, s. 267-274
- Relaterad länk:
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http://dx.doi.org/10...
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https://urn.kb.se/re...
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https://doi.org/10.1...
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https://lup.lub.lu.s...
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Abstract
Ämnesord
Stäng
- Spatial variations in the microfibril angle (MFA) of cellulose are mapped on individual radial sections of wood from the maturing stems of Australian tree species (Acacia floribunda, Acacia suaveolens, Acacia doratoxylon, Acacia havilandiorum, Brachychiton populneus and Bertya cunninghamii) from different rainfall and soil nutrient availabilities using synchrotron wide angle X-ray scattering. For the three species with the smallest radial variation there is a clear linear relationship between the MFA with Young's modulus and wood density with data published previously for these samples. The other three samples show a large radially symmetric variation in MFA across the radial section either having a continuous change from large MFA in the stem's centre to small value close to the bark or the reverse, small MFA at the centre to larger values close to the bark. For these samples, a strong linear correlation between the Young's modulus and density and the MFA is not apparent. We conclude that spatially localised measurements of MFA provide an important insight in the adaptation of wood tissue to environmental conditions.
Ämnesord
- NATURVETENSKAP -- Biologi -- Biokemi och molekylärbiologi (hsv//swe)
- NATURAL SCIENCES -- Biological Sciences -- Biochemistry and Molecular Biology (hsv//eng)
- NATURVETENSKAP -- Biologi -- Botanik (hsv//swe)
- NATURAL SCIENCES -- Biological Sciences -- Botany (hsv//eng)
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