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Official Journal of the Japan Wood Research Society

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Articles

Page 29 of 43

  1. Binderless particleboards were manufactured from sugarcane (Saccharum officinarum L.) bagasse by steam-injection pressing and by using hot pressing as a reference method. The inner layer (core/pith) and the outer...

    Authors: Ragil Widyorini, Jianying Xu, Kenji Umemura and Shuichi Kawai
    Citation: Journal of Wood Science 2005 51:713
  2. This study established a prediction model for bending properties of glued-laminated timber (glulam) using optimized knot and modulus of elasticity (MOE) distributions of lumber laminate as the main input varia...

    Authors: Jun Jae Lee, Joo Saeng Park, Kwang Mo Kim and Jung Kwon Oh
    Citation: Journal of Wood Science 2005 51:704
  3. The consumption rates of three monolignols (p-coumaryl, coniferyl, and sinapyl alcohols) and eight analogues using horseradish peroxidase (HRP)–H2O2 as an oxidant were measured and compared with the anodic peak p...

    Authors: Takayuki Kobayashi, Hiroyasu Taguchi, Mikiji Shigematsu and Mitsuhiko Tanahashi
    Citation: Journal of Wood Science 2005 51:702
  4. Natural durability of wood is determined by the European standard EN 252 for specimens in ground contact and EN 113 for basidiomycetes in the laboratory, but no test exists for above ground conditions. For abo...

    Authors: Ulrika RÃ¥berg, Marie-Louise Edlund, Nasko Terziev and Carl Johan Land
    Citation: Journal of Wood Science 2005 51:717
  5. The aim of this study was to determine whether artificial ultraviolet (UV) light sources are able to imitate properly the photodegradation of wood caused by sunlight. In this study, wood specimens were irradia...

    Authors: László Tolvaj and Katsuya Mitsui
    Citation: Journal of Wood Science 2005 51:693
  6. Test samples of Japanese larch (Larix leptolepis) heartwood and Japanese beech (Fagus crenata) sapwood were heated for 22 h at constant temperatures (50°–180°C) under three water content conditions. Raman spectra...

    Authors: Shigeru Yamauchi, Yasuo Iijima and Shuichi Doi
    Citation: Journal of Wood Science 2005 51:691
  7. In our efforts to find new tyrosinase inhibitory materials, we investigated 44 Indonesian plants belonging to 24 families for tyrosinase inhibitory activity. The extracts of 5 Artocarpus woods showed potent tyros...

    Authors: Enos Tangke Arung, Irawan Wijaya Kusuma, Yetti Mulyati Iskandar, Seiji Yasutake, Kuniyoshi Shimizu and Ryuichiro Kondo
    Citation: Journal of Wood Science 2005 51:690
  8. The relationship between sap flow rates and diurnal fluctuation of stems was investigated in cloned 3-year-old saplings of Cryptomeria japonica D. Don grown in a phytotron with irrigation every 2 days. The improv...

    Authors: Takahisa Nakai, Hisashi Abe, Takeshi Muramoto and Tetsuya Nakao
    Citation: Journal of Wood Science 2005 51:686
  9. Low density wood is more rapidly eroded than denser wood when exposed to the weather, possibly because it is more susceptible to photodegradation. Fourier transform infrared microscopy was used to examine: (1)...

    Authors: Yutaka Kataoka, Makoto Kiguchi, Takeshi Fujiwara and Philip D. Evans
    Citation: Journal of Wood Science 2005 51:685
  10. We investigated the effects of high-temperature drying schedules (120°–130°C) on decay and termite feeding of Japanese larch timbers. Thermogravimetric analysis was conducted to investigate changes of the wood...

    Authors: Shuichi Doi, Masakazu Aoyama, Shigeru Yamauchi and Yasuji Kurimoto
    Citation: Journal of Wood Science 2005 51:684
  11. Fractions of methanol and ethanol extracts from the heartwood of white cypress pine (Callitris glaucophylla Thompson et Johnson) were investigated for their repellent activity against subterranean termite Coptote...

    Authors: Yasutaka Watanabe, Rie Mihara, Tohru Mitsunaga and Tsuyoshi Yoshimura
    Citation: Journal of Wood Science 2005 51:683
  12. To examine the effect of gravity on lignin content and deposition in plant cells, we used ultraviolet (UV) microspectrophotometry and chemical methods to investigate the secondary xylem of Prunus jamasakura grown...

    Authors: Masato Yoshida, Daiji Fujiwara, Yukiko Tsuji, Kazuhiko Fukushima, Teruko Nakamura and Takashi Okuyama
    Citation: Journal of Wood Science 2005 51:681
  13. Distortions due to moisture changes during drying or in service are a major problem for construction timber. Twist, caused mainly by the cylindrical geometry, the orthotropic nature of the wood material, and t...

    Authors: Mats Ekevad
    Citation: Journal of Wood Science 2005 51:679
  14. Optimizing the manufacturing conditions of veneer strand-flanged I-beams was continued in this study and focused on the strand density and preparation method. Three levels of strand density were used, while th...

    Authors: Ashraf M.A. Abdalla and Noboru Sekino
    Citation: Journal of Wood Science 2005 51:678
  15. To investigate the durability of structural laminated veneer lumber (LVL), outdoor exposure tests have been conducted since 1990 at a field-testing site at the Forestry and Forest Products Research Institute. ...

    Authors: Tomoyuki Hayashi, Atsushi Miyatake, Feng Fu, Hideo Kato, Masahiko Karube and Masaki Harada
    Citation: Journal of Wood Science 2005 51:677
  16. To establish an experimental approach for studying the biosynthetic pathway of agatharesinol, a norlignan, induction of the formation of agatharesinol in Cryptomeria japonica (Japanese cedar, sugi) was attempted....

    Authors: Takanori Imai and Masaki Nomura
    Citation: Journal of Wood Science 2005 51:675
  17. The alkaline extraction – glucoamylase hydrolysis (AG) method, which extracts sugars and starch by using sodium hydroxide and hydrolyzes starch by using glucoamylase and α-amylase, was compared with the establish...

    Authors: Yoko Okahisa, Tsuyoshi Yoshimura and Yuji Imamura
    Citation: Journal of Wood Science 2005 51:674
  18. This article describes the effect of day length during the photoperiodic cycle on the diurnal differences in the innermost surface of developing secondary walls. Saplings of Cryptomeria japonica D. Don. were grow...

    Authors: Yoshihiro Hosoo, Masato Yoshida, Takanori Imai and Takashi Okuyama
    Citation: Journal of Wood Science 2005 51:671
  19. To investigate the biosynthesis and stereochemistry of syringylglycerol-8-O-4′-(sinapyl alcohol) ether (SGSE), a syringyl 8-O-4′ neolignan, feeding experiments and enzyme assays using Eucommia ulmoides were carri...

    Authors: Nattaya Lourith, Takeshi Katayama, Kimiko Ishikawa and Toshisada Suzuki
    Citation: Journal of Wood Science 2005 51:669
  20. Nine trees of Cryptomeria japonica from six elite tree clones with a broad range of heartwood colors were selected. The profiles of pit aspiration percentage (ASP) of earlywood and latewood from pith to bark for ...

    Authors: Junji Matsumura, Yoko Yamasaki, Kazuyuki Oda and Yoshitake Fujisawa
    Citation: Journal of Wood Science 2005 51:668
  21. We investigated mechanical interactions between the cellulose microfibril and the matrix substance in wood cell walls. X-ray diffraction measurements showed that the peak positions of (200) and (004) from cell...

    Authors: Kentaro Abe and Hiroyuki Yamamoto
    Citation: Journal of Wood Science 2005 51:667
  22. The objective of this study was to determine some of the properties of experimental particleboard panels made from low-quality paulownia (Paulownia tomentosa). Chemical properties including holocellulose, cellulo...

    Authors: Hulya Kalaycioglu, Ilhan Deniz and Salim Hiziroglu
    Citation: Journal of Wood Science 2005 51:665
  23. The effects of ozone treatment were investigated to improve the process of liquefaction of wood with polyhydric alcohol solvents. The liquefied wood having a high wood to polyhydric alcohol ratio (W/P ratio) coul...

    Authors: Masahiko Kobayashi, Toshiyuki Asano, Mikio Kajiyama and Bunichiro Tomita
    Citation: Journal of Wood Science 2005 51:664
  24. Some reports have shown that for single species the correlation between modulus of elasticity (MOE) and modulus of rupture (MOR) in bending is quite high. Tropical timbers consist of hundreds of species that a...

    Authors: Anita Firmanti, Efendi Tri Bachtiar, Surjono Surjokusumo, Kohei Komatsu and Shuichi Kawai
    Citation: Journal of Wood Science 2005 51:661
  25. Stereochemistry and biosynthesis of guaiacylglycerol-8-O-4′-(sinapyl alcohol) ether (GGSE), an 8-O-4′ neolignan, which consists of coniferyl and sinapyl alcohol moieties, in Eucommia ulmoides were investigated. F...

    Authors: Nattaya Lourith, Takeshi Katayama and Toshisada Suzuki
    Citation: Journal of Wood Science 2005 51:660
  26. Fungi cause serious problems in wood utilization, and environmentally benign wood protection is required as an alternative to traditional chemicals. Chitosan has shown promising antimicrobial properties agains...

    Authors: Morten Eikenes, Gry Alfredsen, Bjørn Erik Christensen, Holger Militz and Halvor Solheim
    Citation: Journal of Wood Science 2005 51:659
  27. We characterized the lignin fragments in the alkaline oxygen delignification-stage waste liquor from a pulp and paper mill as a soil-conditioning agent. Chemical reactions of this lignin fragment should be ver...

    Authors: Dongxiang Wang, Kyoko S. Katsumata and Gyosuke Meshitsuka
    Citation: Journal of Wood Science 2005 51:657
  28. Wood is generally used as the interior material in museum storage rooms. Recently, however, the effects of volatile organic compounds (VOCs) from wood on artifacts has become a topic of great concern. The VOCs...

    Authors: Tadashi Oikawa, Toshiya Matsui, Yasunori Matsuda, Teruko Takayama, Hitoshi Niinuma, Yasuyo Nishida, Kazuo Hoshi and Mitsuyoshi Yatagai
    Citation: Journal of Wood Science 2005 51:654
  29. For the fundamental study of oxygen delignification of kraft pulp, structural changes of kraft lignin during alkaline oxygen treatment were investigated with the use of infrared measurement with attenuated tot...

    Authors: Minoru Yada, Hiroyuki Shintani and Gyosuke Meshitsuka
    Citation: Journal of Wood Science 2005 51:658
  30. To investigate the effect of moisture content (MC) of members on the mechanical properties of timber joints, bending tests of precut joints and shear tests of dowel-type joints were carried out using timbers o...

    Authors: Masaki Harada, Youko Hayashi, Tomoyuki Hayashi, Masahiko Karube and Toshimasa Ohgama
    Citation: Journal of Wood Science 2005 51:656
  31. Cell wall directions of tracheids in transverse sections of Agathis sp. and Cryptomeria japonica and fiber bodies in Magnolia obovata were quantified by Fourier transform image analysis (FTIA). Three kinds of inf...

    Authors: Yoko Midorikawa and Minoru Fujita
    Citation: Journal of Wood Science 2005 51:652
  32. The roughness parameters on the material ratio curves were related to tactile roughness for samples of buna and mizunara. The surfaces of the samples were sanded using various grades of coated abrasives and th...

    Authors: Yuko Fujiwara, Yoshihisa Fujii and Shogo Okumura
    Citation: Journal of Wood Science 2005 51:649
  33. To analyze the structural features of lignin in the vicinity of lignin–carbohydrate linkages, water-soluble lignin–carbohydrate complex (LCC) with low lignin content was prepared from residual birch wood meal ...

    Authors: Hikaru Aimi, Yuji Matsumoto and Gyosuke Meshitsuka
    Citation: Journal of Wood Science 2005 51:646
  34. The degradation of wood, filter paper cellulose, and a lignin-substructure model, was measured in cultures of seven fungi usually regarded as brown-rot fungi. Hydroxyl radical production and the accumulation o...

    Authors: Shohei Kaneko, Katsuhiko Yoshitake, Shuji Itakura, Hiromi Tanaka and Akio Enoki
    Citation: Journal of Wood Science 2005 51:641
  35. To obtain high-strength phenol–formaldehyde (PF) resin-impregnated compressed wood at low pressing pressure, we investigated the effects of sodium chlorite (NaClO2) treatment on wood prior to low molecular weight...

    Authors: Md. Iftekhar Shams, Hiroyuki Yano and Keijirou Endou
    Citation: Journal of Wood Science 2005 51:638

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