Official Journal of the Japan Wood Research Society
Page 14 of 43
This review article introduces recent scientific and technical reports due to near infrared spectroscopy (NIRS) at wood science and technology, most of which was published between 2006 and 2013. Many researche...
A significant amount of technical lignins is produced in the pulp and paper industries. However, most technical lignins are burned for thermal recycling and a few percent are used as materials, such as lignosu...
Teak (Tectona grandis L. f.) is an important native species of Southeast Asia, producing an excellent quality wood with high demand in the world market contributing positively to development and economic growth o...
In this study, we developed a new method to separate terpenoids from byproducts discharged during sugi wood-drying process by solvent-assisted-distillation (SAD). First, the sample was distillated from a mixed...
To elucidate the electroelastic field in woods, which are piezoelectric bodies belonging to point group D ∞, we construct an analytical technique for general solutions to electroelastic problems i...
The totally chlorine-free (TCF) bleaching process avoids the generation of organochlorine substances. In this study, the application of peroxymonosulfuric acid (H2SO5: Psa) to TCF bleaching was proposed as a modi...
In order to elucidate the decomposition behavior of lignin from Japanese cedar (Cryptomeria japonica) as treated by two-step semi-flow hot-compressed water (1st stage: 230 °C/10 MPa/15 min, 2nd stage: 270 °C/10 M...
The mechanical response of bamboo fibers to variation in moisture content (MC) has a direct influence on the performance of bamboo fiber-based products, both during their processing and final practical applica...
Japanese cedar (Cryptomeria japonica) ash was used as a natural activating agent and also a precursor to prepare activated carbon (AC) using various ash to water ratios (0.20, 0.25, and 0.33 wt%), activation temp...
A reliable technique for distinguishing anatomically similar diploxylons, Pinus densiflora and P. thunbergii, was designed by employing near-infrared (NIR) spectroscopy in combination with multivariate analysis. ...
We investigated the reaction behavior of milled wood lignin (MWL) obtained from Japanese cedar (Cryptomeria japonica) and Japanese beech (Fagus crenata) in an ionic liquid, 1-ethyl-3-methylimidazolium chloride ([...
Graminaceus plants and their main components (lignin and cellulose) were carboxy methylated and compared with woody ones. The solubilities of carboxymethylated biomass, alkaline lignin, klason lignin, holocell...
We previously reported on a β-N-acetylhexosaminidase, LeHex20A, belonging to glycoside hydrolase family 20 (GH20), from the fruiting body of Lentinula edodes (shiitake mushroom). In this study, we purified, clone...
The pine wood nematode (Bursaphelenchus xylophilus) belongs to economically most important quarantine plant parasitic nematodes in Asia and Europe. As wood transported within the international trade plays major r...
To remarkably reduce the moisture content (MC) in a short time, pre-treatment by compression for wood drying was systematically studied in terms of effects of compression ratio, compression direction and comp...
The bamboo powder-post beetle Dinoderus minutus is a major pest of felled bamboo in Japan. In this study, X-ray computed tomography (CT) was utilized to non-destructively trace the movement of the larvae of D. mi...
Insect damage is one of the most serious problems in conservation of wooden cultural heritage buildings. Because this damage is quite small in a cross section, it is difficult to detect by conventional ultraso...
X-ray computed tomography (CT) was applied to non-destructive observation of machined surface and subsurface structure of hinoki (Chamaecyparis obtusa) produced in slow-speed orthogonal cutting. The cutting exper...
The silk industry in China produces a large amount of mulberry branches as by-product every year. Mulberry branches have high longitudinal toughness and good overall mechanical properties. However, these branc...
The detailed reaction behavior of cellulose in an ionic liquid, 1-ethyl-3-methylimidazolium chloride ([C2mim][Cl]), was investigated. Glucose is a component of cellulose; its oligomerization was studied during...
The major metal elements contained in Japanese oak (Quercus serrata Thunb. and/or Quercus crispula Blume) charcoal (OC) and activated charcoal (AC) were identified by X-ray fluorescence spectroscopy. The eluted a...
Ten groups of bamboo scrimber samples between 0° (parallel to the grain) and 90° (perpendicular to the grain) were chosen for compression test. The effect of different angles between load and grain on compress...
Its natural aesthetics make wood an attractive material for construction and design. However, there is no detailed understanding of the relationships between human perception of the appearance and measurable f...
Outdoor exposure tests of wood plastic composites (WPCs) were conducted at seven sites in Japan. The tests examined the process of chalking on the surface of the WPCs and the weather factors affecting chalking...
The internal bond strength (IB) of a commercial particleboard put under various outdoor exposure conditions were modeled using a multiple linear regression (MLR) and an artificial neural network (ANN). The out...
Todomatsu (Abies sachalinensis) is a commercial plantation species on Hokkaido Island, Japan. In the present study, to improve the decay resistance of todomatsu wood, seven families of 22-year-old todomatsu trees...
Genomic DNA sequences code important information that enables the identification of organisms at the species level. Investigating the properties of residual DNA in wood can significantly contribute to the wide...
The acaricidal activities of solvent extracts and essential oil obtained from Cryptomeria japonica were investigated. The two target spider mites (Tetranychus kanzawai and T. urticae), are known pests for various...
In the present work cellulose powder was extracted from olive industry solid waste and then converted into cellulose acetate. The cellulose powder was extracted from olive industry solid waste by kraft pulping...
The Erratum to this article has been published in Journal of Wood Science 2015 61:s10086-015-1473-z
Ozone oxidation pretreatment was carried out on spent culture media (SCMs) after Lentinula edodes cultivation to improve fermentable sugar production by enzymatic saccharification. SCM samples treated with ozone ...
Biodegradable translucent and transparent films were prepared from the hemicellulose fractions of Pinus densiflora leaves without using substantial amounts of additives. These fractions were isolated by alkaline ...
Twenty distinct computer-generated softwood-like monochrome edge-grain patterns were printed on matte paper. Four image characteristics including mean growth ring width, growth ring width fluctuation, growth r...
This study investigates the effect of a wide range of moisture contents (0–177 %) on the Poisson’s ratio of wood taken from Japanese cypress and magnolia by conducting longitudinal compression tests. Through a...
A natural adhesive composed of only citric acid and sucrose was recently proposed, and its detailed bonding performance has been researched in some wood-based materials. In this study, the effects of board den...
Knowledge of the genetic relationship between growth traits and wood properties is critical for their simultaneous genetic improvement. We measured the height and diameter at breast height (DBH) and wood quali...
Focusing on a timber check dam, this study evaluated the carbon balance in the life cycle of wood, taking into account both carbon emissions and reductions associated with fossil fuel use and carbon stocks in ...
Compressive strength of cross-laminated timber (CLT) is one of the important mechanical properties which should be considered especially in design of mid-rise CLT building because it works to resist a vertical...
In order to investigate the strength reduction of particleboards subjected to outdoor exposure at eight sites across Japan, the climate factors, i.e., temperature, sunshine duration, and precipitation were ana...
We showed previously that in Cupressus lusitanica (Mexican cypress), the first two steps of terpinolene oxidation, beginning at hydroxylation at the aryl position and then forming epoxide at the double bond, were...
To understand the mechanisms of adsorption of cesium ions onto charcoal from aqueous solution, adsorption isotherms were analyzed in terms of initial cesium concentration in aqueous solution. Aqueous cesium ch...
The aim of this study was to evaluate the influence of Neosinocalamus affinis bamboo culm height on selected properties of original bamboo and the mechanical properties of bamboo plywood (BP). The results indicat...
The grade yields of Hem-Fir (N) (Tsuga heterophylla and Abies amabilis) laminas were compared for visual and machine grades based on the Japanese Agricultural Standard (JAS) for glued laminated timber. The main o...
The nesting biology of the drywood termite, Incisitermes minor, is poorly understood. To date, no published data are available regarding the in situ nest-gallery development of I. minor. Three naturally infested ...
In this study, we examined past growth traits of hinoki (Chamaecyparis obtusa) trees by stem analysis, as well as growth traits in the years when the rings at breast height were formed. We tried to clarify the ef...
In Japan, there are many large-scale old wooden buildings which show good durability. These buildings are subjected to external forces of various strength, including several disasters throughout the years. Thi...
We calculated the life cycle CO2 emissions and direct installation costs for two types of timber check dams (all-wood timber and hybrid timber) developed in Akita Prefecture and non-timber check dams (concrete an...
The objective of this study was to investigate the deformation behavior of bamboo bundle laminated veneer lumber (BLVL) manufactured with veneer preprocessing densification technology under low velocity impact...
We investigated the decomposition of cellulose upon heating in an ionic liquid, 1-ethyl-3-methylimidazolium chloride ([C2mim][Cl]), in air and we studied the reactions of various cellulose decomposition compou...
We investigated the reaction behavior of cellulose in the pyridinium-based ionic liquids 1-ethylpyridinium chloride ([EtPy][Cl]), 1-ethylpyridinium bromide ([EtPy][Br]), and 1-ethylpyridinium iodide ([EtPy][I]...
This study focused on the heat transfer involved in hot pressing. The temperature behaviour inside the mat of wood-based panels according to the manufacturing conditions—such as mat moisture level, furnish mat...
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Journal of Wood Science is affiliated with The Japan Wood Research Society.