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| Content Provider | Springer Nature Link |
|---|---|
| Author | Yoshida, Masato Ohta, Haruki Okuyama, Takashi |
| Copyright Year | 2002 |
| Abstract | Seven specimens that contained a continuous gradient of wood from normal to tension wood were collected from an inclined black locust (Robinia pseudoacacia), and the released strain of growth stress was quantified. Lignin distribution in the cell wall was investigated using ultraviolet (UV) microspectrophotometry to examine its relation to the intensity of growth stress. The UV absorption at cell corner middle lamella and in the compound middle lamella remained virtually constant, irrespective of the contractive released strain (i.e., tensile growth stress). The gelatinous (G)-layer began to differentiate, and the UV absorption decreased there in accordance with increases in the contractive released strain. The absorption maximum (λmax) remained virtually constant at the cell corner middle lamella and in the compound middle lamella at 277–280nm, irrespective of the released strain. The λmax for the secondary wall of normal wood was 272nm and shifted to 268nm in the G-layer of tension wood as the contractive released strain increased. The percentage of the cross-sectional area, consisting of the G-layer, with respect to the whole cross-sectional area increased with the contractive released strain. |
| Starting Page | 99 |
| Ending Page | 105 |
| Page Count | 7 |
| File Format | |
| ISSN | 14350211 |
| Journal | Journal of Wood Science |
| Volume Number | 48 |
| Issue Number | 2 |
| e-ISSN | 16114663 |
| Language | English |
| Publisher | Springer-Verlag |
| Publisher Date | 2002-01-01 |
| Publisher Place | Tokyo |
| Access Restriction | Subscribed |
| Subject Keyword | Gelatinous layer Lignin distribution Microspectrophotometry Tensile growth stress Tension wood Wood Science & Technology Materials Science Characterization and Evaluation of Materials |
| Content Type | Text |
| Resource Type | Article |
| Subject | Biomaterials Forestry |
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