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Official Journal of the Japan Wood Research Society

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Articles

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  1. Monomeric C6-C2-type lignin model compounds with a p-hydroxyphenyl (H), guaiacyl (G), syringyl (S), or p-ethylphenyl (E) nucleus (1-phenylethanol derivatives) were individually oxidized by MnO2 at a pH of 1.5 and...

    Authors: Shirong Sun and Tomoya Yokoyama

    Citation: Journal of Wood Science 2021 67:29

    Content type: Note

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  2. The paper proposes the use of microwave irradiation to lower the initial moisture content of wood chips. The study involved willow and fir chips fractionated by means of a sieve separator and unfractionated as...

    Authors: Monika Aniszewska, Krzysztof Słowiński, Ewa Tulska and Witold Zychowicz

    Citation: Journal of Wood Science 2021 67:28

    Content type: Original Article

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  3. This study investigates the physiological responses and subjective perceptions of touching wood. In particular, it focuses on their respective relationships with the amount of heat transfer across the hand–mat...

    Authors: Yuko Tsunetsugu and Masaki Sugiyama

    Citation: Journal of Wood Science 2021 67:27

    Content type: Original Article

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  4. Bamboo is now widely used in construction, papermaking, textile, furniture and other fields because of its renewable, fast-growing, high-strength, high-yield and easy processing. However, compared with wood, b...

    Authors: Xiaomeng Hao, Qiuyi Wang, Yihua Wang, Xin Han, Chenglong Yuan, Yu Cao, Zhichao Lou and Yanjun Li

    Citation: Journal of Wood Science 2021 67:26

    Content type: Original Article

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  5. This study attempts to clarify thermodynamic quantification on interaction between poly(vinyl alcohol) (PVA) and wood-derived cellulose nanofibrils (CNFs) obtained by aqueous counter collision (ACC) method. Aq...

    Authors: Gento Ishikawa and Tetsuo Kondo

    Citation: Journal of Wood Science 2021 67:25

    Content type: Original Article

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  6. Wood anatomical traits of xylem are the characteristics of tree rings at cellular and subcellular scales providing important insights on structural features and their linkage to the environment. Therefore, stu...

    Authors: Sudip Pandey

    Citation: Journal of Wood Science 2021 67:24

    Content type: Review Article

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  7. In this study, the out-of-plane shear strength of hybrid cross-laminated timber (CLT) with outer layers of hinoki (hinoki cypress, Chamaecyparis obtusa) and inner layers of sugi (Japanese cedar, Cryptomeria japon...

    Authors: Seiichiro Ukyo, Atsushi Miyatake, Kenta Shindo and Yasushi Hiramatsu

    Citation: Journal of Wood Science 2021 67:23

    Content type: Original Article

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  8. Subalpine conifers are highly sensitive to climatic changes. In these trees, the intra-annual dynamics of cambial activity and phenological process in xylem development are closely associated with climatic con...

    Authors: Jun-Hui Park, En-Bi Choi, Hong-Chul Park, Na-Yeon Lee and Jeong-Wook Seo

    Citation: Journal of Wood Science 2021 67:22

    Content type: Original Article

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  9. The hot-disk method is a transient method for the measurement of thermal properties. This method can measure both the thermal conductivity and thermal diffusivity in a short time for isotropic materials. To es...

    Authors: Kei Maeda, Yuko Tsunetsugu, Kohta Miyamoto and Tatsuya Shibusawa

    Citation: Journal of Wood Science 2021 67:20

    Content type: Original Article

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  10. The thermal degradation reactivities of cellulose and hemicellulose are substantially different in Japanese cedar (Cryptomeria japonica, a softwood) and Japanese beech (Fagus crenata, a hardwood). Uronic acid and...

    Authors: Jiawei Wang, Eiji Minami, Mohd Asmadi and Haruo Kawamoto

    Citation: Journal of Wood Science 2021 67:19

    Content type: Original Article

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  11. Although wood cross sections contain spatiotemporal information regarding tree growth, computer vision-based wood identification studies have traditionally favored disordered image representations that do not ...

    Authors: Sung-Wook Hwang and Junji Sugiyama

    Citation: Journal of Wood Science 2021 67:18

    Content type: Original Article

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  12. Taiwania (Taiwania cryptomerioides Hayata) has long been regarded as a living fossil from the Tertiary period of Mesozoic Era for its distinguished yellowish-red color with purplish-pink streaks presented in its ...

    Authors: Nai-Wen Tsao, Shih-Chang Chien, Yueh-Hsiung Kuo and Sheng-Yang Wang

    Citation: Journal of Wood Science 2021 67:16

    Content type: Original Article

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  13. Increased wood density is obtained by compressing the wood porous structure under suitable moisture and temperature conditions to improve its physical, mechanical and color properties. A recently proposed wood...

    Authors: Alex Cencin, Michela Zanetti, Tiziana Urso and Alan Crivellaro

    Citation: Journal of Wood Science 2021 67:15

    Content type: Original Article

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  14. Inspired by the use of rift-sawn softwood board for covering curved surfaces in Kokerabuki, a traditional Japanese roofing method, we investigated the flexural anisotropy of wood caused by its end-grain orient...

    Authors: Sung-Wook Hwang, Hiroshi Isoda, Takafumi Nakagawa and Junji Sugiyama

    Citation: Journal of Wood Science 2021 67:14

    Content type: Original Article

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  15. Low permeability of wood causes problems during drying of timber. This study evaluated the effects of microwave (MW) pretreatment on the conventional drying behavior and mechanical damages of Chinese fir lumbe...

    Authors: Xiang Weng, Yongdong Zhou, Zongying Fu, Xin Gao, Fan Zhou and Jinghui Jiang

    Citation: Journal of Wood Science 2021 67:13

    Content type: Original Article

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  16. The microtensile properties of mechanically isolated compression wood (CW) and opposite wood (OW) tracheids of Chinese fir (Cunninghamia lanceolata) were investigated and discussed with respect to their structure...

    Authors: Zhu Li, Tianyi Zhan, Michaela Eder, Jiali Jiang, Jianxiong Lyu and Jinzhen Cao

    Citation: Journal of Wood Science 2021 67:12

    Content type: Original Article

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  17. It is important for civil engineering applications to investigate resistance to wood decay in aqueous environments. DNA from microorganisms inhabiting logs (groynes) that had been used for about 15 years as a ...

    Authors: Nanako Ishiyama, Sakae Horisawa, Tadashi Hara, Makoto Yoshida and Ikuo Momohara

    Citation: Journal of Wood Science 2021 67:11

    Content type: Original Article

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  18. We investigated the effect of ultrasonic treatment on Malas (Homalium foetidum) gas permeability and sound absorption coefficient using the transfer function method. Results showed a longitudinal average Darcy pe...

    Authors: Chun-Won Kang, Eun-Suk Jang, Nam-Ho Lee, Sang-Sik Jang and Min Lee

    Citation: Journal of Wood Science 2021 67:10

    Content type: Note

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  19. We performed an analysis using isoelectric focusing to comprehensively clarify the isozyme composition of laccase derived from Japanese lacquer tree, Toxicodendron vernicifluum. When water extracts of acetone pow...

    Authors: Mariko Takano, Masaya Nakamura and Masanobu Tabata

    Citation: Journal of Wood Science 2021 67:9

    Content type: Original Article

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  20. Various design codes and design proposals have been proposed for glued laminated timber beams with round holes, assuming that the entire beam is composed of homogeneous-grade timber. However, in Japan, glued l...

    Authors: Shigefumi Okamoto, Nobuhiko Akiyama, Yasuhiro Araki, Kenji Aoki and Masahiro Inayama

    Citation: Journal of Wood Science 2021 67:8

    Content type: Original Article

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  21. This work concerns basic research on the concept of wood hardness in a sense similar to Brinell or in the modified sense of Monnin. The experimental part of this article is based on research carried out on bee...

    Authors: Grzegorz Koczan, Zbigniew Karwat and Paweł Kozakiewicz

    Citation: Journal of Wood Science 2021 67:7

    Content type: Original Article

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  22. This study examines a simple estimation method for the measurement of the mass of an on-site log through a vibration test. In this method, rather than the log itself, a cut end portion is weighed. For this pur...

    Authors: Yoshitaka Kubojima, Satomi Sonoda and Hideo Kato

    Citation: Journal of Wood Science 2021 67:6

    Content type: Original Article

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  23. Over the past few decades, the sustainable forest area in China has increased remarkably, with 2400 million cubic meters of eucalyptus produced in 2018 in Guangxi which is the largest plantation area in China....

    Authors: Koji Murata, Mao Nakano, Kaoru Miyazaki, Norihiko Yamada, Yoshihiro Yokoo, Kuniharu Yokoo, Kenji Umemura and Masashi Nakamura

    Citation: Journal of Wood Science 2021 67:5

    Content type: Original Article

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  24. The thermal reactivities of cellulose and hemicellulose are significantly different in cell walls when compared with isolated components and differ in Japanese cedar (softwood) and Japanese beech (hardwood). U...

    Authors: Jiawei Wang, Eiji Minami and Haruo Kawamoto

    Citation: Journal of Wood Science 2021 67:3

    Content type: Original Article

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  25. To understand the fuel characteristics of a waste shiitake mushroom bed derived from hardwood chips, the moisture content at the time of disposal and after 1 month, as well as its calorific value, ash content,...

    Authors: Noboru Sekino and Zhuoqiu Jiang

    Citation: Journal of Wood Science 2021 67:1

    Content type: Original Article

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  26. In this study, further research on an enzymatic hydrolysate-ammonium dihydrogen phosphate (EHADP) adhesive was carried out. Appropriate hot pressing conditions were clarified by measuring the bond strength of ...

    Authors: Zhongyuan Zhao, Di Wu, Caoxing Huang, Min Zhang, Kenji Umemura and Qiang Yong

    Citation: Journal of Wood Science 2020 66:85

    Content type: Original Article

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  27. To study the force–displacement relations of bolted timber joints with slotted-in steel plates, we performed a monotonic loading test parallel to the grain on 24 specimens. The influences of the bolt diameter,...

    Authors: Yingyang Liu, Yixuan Wang, Yiming Zhang, Minghui Chen and Xizhe Nie

    Citation: Journal of Wood Science 2020 66:83

    Content type: Original Article

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  28. Japanese cypress (Chamaecyparis obtusa) wood powder impregnated with Fe3+ ions was carbonized using one-step and two-step procedures, and the iron-loaded charcoal was examined using Mössbauer and Raman spectrosco...

    Authors: Takayuki Yamagishi, Shigeru Yamauchi, Kyoko Suzuki, Tsutomu Suzuki, Yasuji Kurimoto, Tsutomu Takayama and Yoichi Sakai

    Citation: Journal of Wood Science 2020 66:82

    Content type: Note

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  29. The aim of the study was to develop a simple and cost-effective method to improve thermal insulation and hydrophobicity of wood. Herein, we attempted to use commercially available silica aerogel powders suspen...

    Authors: Hong Chen, Yutian Zhang, Tuhua Zhong, Zhihui Wu, Xianxu Zhan and Jiaoyou Ye

    Citation: Journal of Wood Science 2020 66:81

    Content type: Original Article

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  30. A non-phenolic C6-C2-type lignin model compound with the β-O-4 bond, 2-(2-methoxyphenoxy)-1-(3,4-dimethoxyphenyl)ethanol (I), was acidolyzed in aqueous 82% 1,4-dioxane containing HBr, HCl, or H2SO4 with a concent...

    Authors: Qiaoqiao Ye and Tomoya Yokoyama

    Citation: Journal of Wood Science 2020 66:80

    Content type: Original Article

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  31. The purpose of this study is to analyze the pore structure for the heartwood, intermediate wood, and sapwood sections in three species of softwood (hinoki, Douglas fir, and hemlock) and to investigate the corr...

    Authors: Eun-Suk Jang, Jee-Hoon Yuk and Chun-Won Kang

    Citation: Journal of Wood Science 2020 66:78

    Content type: Original Article

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  32. Wood is usually stable under relatively dry conditions but may still undergo slow deterioration. The type of deterioration and how these processes affect the wood are important questions that need consideratio...

    Authors: Amir Ghavidel, Anna Scheglov, Volker Karius, Carsten Mai, Asghar Tarmian, Wolfgang Vioel, Viorica Vasilache and Ion Sandu

    Citation: Journal of Wood Science 2020 66:77

    Content type: Original Article

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  33. Alzheimer's disease is the most common form of dementia, and neurological disorder from beta amyloid (Aβ) peptide is regarded as a cause of Alzheimer's disease. In this study, the authors evaluate Aβ toxicity ...

    Authors: Yoshie Yamaji, Tokumitsu Wakabayashi and Hisayoshi Kofujita

    Citation: Journal of Wood Science 2020 66:76

    Content type: Note

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  34. To utilize woody waste for the inhibition of harmful algae, we examined the growth inhibitory activities of sugi (Cryptomeria japonica) bark powder against Microcystis aeruginosa, which is a cyanobacteria species...

    Authors: Yuri Suzuki, Tomoyuki Johuchi, Hiromi Saijo, Koetsu Takahashi and Tatsuya Ashitani

    Citation: Journal of Wood Science 2020 66:75

    Content type: Note

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  35. In order to obtain high production rates of sawn timber, the sawmilling industry can use laser scanning, allowing knot detection and machine strength grading. In particular, laser scanners measure grain angle ...

    Authors: Benoît Besseau, Guillaume Pot, Robert Collet and Joffrey Viguier

    Citation: Journal of Wood Science 2020 66:74

    Content type: Original Article

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  36. Duration of load (DOL) is a key factor in design of wood structures, which makes the reliability analysis of wood structures more complicated. The importance of DOL is widely recognized, yet the methods and mo...

    Authors: Qiongyao Wu, Shuang Niu and Enchun Zhu

    Citation: Journal of Wood Science 2020 66:73

    Content type: Original Article

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  37. The quality of dimension lumber (2 by 4 lumber) was preliminarily investigated in four common Mongolian softwoods: Pinus sylvestris L., Pinus sibirica Du Tour, Picea obovata Ledeb., and Larix sibirica Ledeb. to p...

    Authors: Murzabyek Sarkhad, Futoshi Ishiguri, Ikumi Nezu, Bayasaa Tumenjargal, Yusuke Takahashi, Bayartsetseg Baasan, Ganbaatar Chultem, Jyunichi Ohshima and Shinso Yokota

    Citation: Journal of Wood Science 2020 66:72

    Content type: Original Article

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  38. The development of wooden joints possessing high resistance performance has become an important issue for the construction of newer buildings. This study attempts to strengthen the lateral resistance of bolted...

    Authors: Keita Ogawa, Satoshi Fukuta and Kenji Kobayashi

    Citation: Journal of Wood Science 2020 66:71

    Content type: Original Article

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  39. The wood veneer dried artificially before gluing for the manufacture of plywood generally suffers several damages (cracks, deformations), decreasing the competitiveness of the process and limiting the use of n...

    Authors: Valentin Makomra, René Oum Lissouck, Régis Pommier, Anh Phan Ngoc, Denys Breysse, Louis Denaud and Louis Max Ayina Ohandja

    Citation: Journal of Wood Science 2020 66:70

    Content type: Original Article

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  40. Subject to this study is the modification of an experimental two-component polyurethane (2C PUR) as an alternative adhesive for structural hardwood bonding. The 2C PUR has been adapted by calcium carbonate as ...

    Authors: S. Bockel, S. Harling, J. Konnerth, P. Niemz, G. Weiland, E. Hogger and F. Pichelin

    Citation: Journal of Wood Science 2020 66:69

    Content type: Original Article

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  41. African blackwood (ABW: Dalbergia melanoxylon) is a valuable tree in Tanzanian local community forests, and heartwood has been mainly utilized as an irreplaceable material in musical instruments, e.g., clarinet, ...

    Authors: Kazushi Nakai, Soichi Tanaka, Kozo Kanayama and Tsuyoshi Yoshimura

    Citation: Journal of Wood Science 2020 66:67

    Content type: Original Article

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  42. Age is an important factor that dictates bamboo’s mechanical properties. In Japan, bamboo plants aged 3–5 years are selected for use as materials because of their robustness and decorative or craft-friendly ch...

    Authors: Yoko Okahisa, Keisuke Kojiro, Hatsuki Ashiya, Takeru Tomita, Yuzo Furuta, Masaomi Yamamura and Toshiaki Umezawa

    Citation: Journal of Wood Science 2020 66:66

    Content type: Original Article

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  43. This study investigated the effects of processing parameters, namely particle mixing ratios, press temperatures, and time for the manufacturing of jute stick binderless particleboard (JBPB). Different ratios o...

    Authors: Ireen Parvin Nitu, Md Nazrul Islam, Md Ashaduzzaman, Md Khairul Amin and Md Iftekhar Shams

    Citation: Journal of Wood Science 2020 66:65

    Content type: Original Article

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