Your search resulted in 495 documents. Displaying 25 entries per page.
Sentry®, a new antisapstain formulation for protecting logs and lumber. - Part 2: protection of lumber
1999 - IRG/WP 99-30189
…activity offered by MBT plus isothiaz. and the micro-emulsion system used.
R N Wakeling, D R Eden, C M Chittenden, J G Van der Waals, B Carpenter, I Dorset, R Kuluz, J Wakeman
Microbial symbionts in the shipworm gut: a new finding resolving a century old mystery explaining how shipworms digest lignin
2025 - IRG/WP 25-11061
…a key role in carbon and nutrient cycling in aquatic ecosystems. Despite extensive research, the exact mechanisms underlying their ability to digest wood, and particularly how they digest lignin, have remained elusive. A better understanding of the way that they attack and digest wood will potentially lead to new…
B Goodell, J Chambers, D V Ward, C Murphy, E Black, L B K Mancilio, G Perez-Gonzalez, J R Shipway
Detecting wood-decay fungi in walls: a non-destructive approach with an electronic nose
2025 - IRG/WP 25-11070
…model under different insulation conditions. The e-nose system, equipped with a semiconductor gas sensor array, analysed air samples from non-insulated, extruded polystyrene (XPS)-insulated, and glass fibre-insulated test specimens. Decay was induced using Fomitopsis palustris, while control specimens remained…
M Suzuki, T Miyauchi, S Isaji, R Naganawa
Interaction of cellulolytic enzymes with fungal cell wall polysaccharides
2025 - IRG/WP 25-11071
…to examine the role of ECM in the enzymatic degradation system of wood cell wall, we compared enzyme activity profiles between the culture supernatant and the fungal cell wall extract.
K Fukabori, N Hattori, Y Kojima, R Iizuka, M Yoshida
Distribution of Crystalline Cellulose-Binding Domain CBM104 in Wood Rotting Fungi
2025 - IRG/WP 25-11073
…hypothesis that they rely on a non-enzymatic degradation system. We recently discovered a novel cellulose-binding domain, CBM104, in the brown-rot fungus Gloeophyllum trabeum. In this study, we analysed the function of this domain, GtAA9-CBM104. Adsorption assays revealed that GtAA9-CBM104 specifically binds to…
Y Kojima, N Sunagawa, M Aoki, S Tagawa, M Wada, K Igarashi, M Yoshida
Investigation of oxalic acid production in brown-rot fungi
2025 - IRG/WP 25-11074
…structures. While white-rot fungi generally use enzyme-system for degradation, many brown-rot fungi lack cellobiohydrolases which are recognised as key cellulases as well as lignin-degrading enzymes. Despite this fact, they exhibit strong wood-decomposing abilities, which are thought to be associated with the…
S Matsumoto, R Tsukida, T Ito, M Iritani, M Yoshida
Functional Analysis of Cellobiose Dehydrogenase from the Saprotrophic Basidiomycete Coprinopsis cinerea
2025 - IRG/WP 25-11076
…heterologously produced in the Pichia pastoris expression system. In this presentation, we will discuss the function of CcCDH based on the results of characterisation of the purified recombinant enzyme and the results of three-dimensional structure prediction using the amino acid sequence.
Y Sakka, A Hosaka, M Yoshida
Screening of fungi capable of degradation of β-aryl ether bond from lignin model compounds by using highly fluorescent-emitting detection
2025 - IRG/WP 25-11081
…in the fluorescence analysis. Based on the screening system with fluorescence and identification based on sequencing of the ITS4 and ITS5 region, Fusarium sp. and Cunninghamella sp. were classified as zygomycete, and have high fluorescent activity.
A Ishikawa, Y Mori, Y Ota, M Kiguchi
Real-time evaluation of connected in-ground termite stations in laboratory colonies of Coptotermes gestroi and Prorhinotermes sp.
2025 - IRG/WP 25-11082
…Analysis of the signals transmitted by the Novaterm® system reveals that, in the case of wood, variations in frequency density are low, resulting in smooth but moderate slopes on the frequency-time curves. In contrast, the neutral cartridges generate significantly steeper slopes, indicating more intense…
M Butin, F Chopinet, S Savriama, D Messaoudi
The spread of technology in a simple wooden pile construction method to prevent shallow landslides
2025 - IRG/WP 25-20733
…slope stabilization technique called the Wood Pile Root System Method (WPRSM), aimed at preventing shallow landslides, which have increased due to the rising occurrence of extreme weather events caused by climate change. This method effectively reinforces slopes using thinned timber, providing a sustainable and…
K Shimizu, K Tanaka, H Hashitani, A Yamaguchi, K Kabeno, Y Iijima, A Ito, M Jo, T Fujii, K Abe, H Ochiai
A novel anti-fungal wood crack repairing agent based on CQDs/PVA
2025 - IRG/WP 25-20744
…applications. In this study, we developed a combination system of nitrogen-doping carbon quantum dots (N-CQDs) and polyvinyl alcohol (PVA) to repair wood cracks. Rather than employing the conventional repairing methods such as filling cracks with sawdust and petroleum based-adhesives, this technique can make the…
X Zhao, Z Zhang, Y Peng, W Wang, J Cao
NTR classified preservative-treated laminated wood
2025 - IRG/WP 25-20750
NTR is a trusted quality labelling system used for the classification and quality control of wood products that have been treated with preservatives or modified. These labels are issued by the Nordic Wood Preservation Council (NWPC) and in recent years, producers of glued laminated timber as…
J Jermer, F Westin, R Digaitis
The iTrussT project – Advancements in timber bridge design, preservation, and monitoring
2025 - IRG/WP 25-20751
…refined design guidelines. Second, a modular preservation system will be developed, replacing hazardous treatments like creosote. This system includes the application of copper-containing preservatives for overall decay resistance, oil treatments for hydrophobicity, and moisture-reactive fungicides for long-term…
K-C Mahnert, U Hundhausen
Decay resistance of thermally modified Eucalyptus grandis in closed and open systems
2025 - IRG/WP 25-30815
…about the comparison between processes in closed and open systems. This work aimed to analyse the effect of thermal modification in closed and open systems on the decay resistance of Eucalyptus grandis wood. Short-cycle E. grandis wood, from fast-growing plantations, was thermally modified at target temperatures of…
D C Batista, A C Oliveira Rupf, M Wentzel, C Brischke, H Militz
CIOL Wood – Industrialization of Sustainable Wood Products: Progress and Prospects
2025 - IRG/WP 25-30820
…is an innovative, low-cost, non-toxic wood modification system designed to replace traditional, non-sustainable treatments used for wood protection. Since our last contribution in 2023, significant progress has been made in the development of CIOL® towards industrial-scale production. This update presents new…
J Biørnstad
Effect of biodiesel-containing solvents on the performance of Copper Naphthenate and Pentachlorophenol: 118-month assessment and depletion analysis
2025 - IRG/WP 25-41022
Solvent systems are incredibly important in determining the performance of oilborne wood preservative systems and they can cause early failures in commodities treated with an otherwise effective preservative system. It is important to assess new solvent performance…
J Cappellazzi, M J Konkler, J J Morrell, C S Love, G Presley
Colorimetric performance of temperate wood species under tropical weathering
2025 - IRG/WP 25-41041
…x 150 mm. The wood color was measured using the CIE-L*a*b* system using a portable spectrophotometer. We measured the colorimetric parameters lightness (L*), red-green (a*), and yellow-blue (b*) chromaticity coordinates, which were used to calculate the colour difference (ΔE). Wood colour monitoring was carried out…
K da Silva Pereira, S J da Costa Lima, M F C Santos, L Emmerich, C Brischke, D C Batista
Preliminary assessment of imidazole as an adhesion system for particleboards
2025 - IRG/WP 25-41043
Particleboards with different combinations of adhesive mixtures containing imidazole, citric acid, and sorbitol were produced. Softwood sawdust from a Swedish sawmill was mixed with an aqueous solution of the chemicals and then dried to 0% moisture content pri…
A Scharf, H Dernagård, J Oja, G Ormondroyd, S Medved, D Jones
Durability Enhancement of US Hardwoods for Use in Open Trailer Decks
2025 - IRG/WP 25-41048
…species treated with different oil-borne wood preservative systems, including copper naphthenate (CuN), 4,5 dichloro-2-N-octyl-4-isothiazolin-3-one (DCOI), and copper 8-quinolinolate (Cu8), with/without dural treatment of Disodium Octaborate Tetrahydrate (DOT). The specimens were tested in both the deep tropical…
X Xie, X Wang, G Kirker, C A Senalik
Proposal for New Evaluation Criteria for Exterior Products to Achieve a Circular Economy
2025 - IRG/WP 25-50408
…in the right place, has been emphasized. However, a systematic evaluation criterion for promoting resource circulation and realizing a circular economy for exterior products remains unestablished. To support the selection of environmentally conscious wooden exterior products that contribute to the realization…
K Murakami, T Fujii, Y Iijima, T Hikiji
Contribution of naturally durable wood use to Circular Economy - Understanding the classification system of natural durability and its variation within wood species
2025 - IRG/WP 25-50411
Total wood demand is shown by FAO to increase 49 percent between 2020 and 2050, regardless of deteriorating conditions such as deforestation and degradation due to fire and biological damages. Demand for wood as a building material is also projected by UNEP to…
K Yamamoto, T Osawa, R Noda
Physical and chemical characterization of post-consumer wood chips for recycling
2025 - IRG/WP 25-50414
Post-consumer wood (PCW) is a valuable resource that can partially substitute virgin wood in material applications. This communication paper presents key findings from a study that analysed PCW collected from three recycling facilities in southeastern Norway o…
M Altgen, K Bringdal Gedde, L Ross, E Larnøy
Time-lapse evaluation of Aureobasidium pullulans growth on selected lignin derivatives and chitosan
2024 - IRG/WP 24-11032
…the development of an alternative nature-inspired coating system using the yeast-like fungus Aureobasidium pullulans as a living component. A. pullulans is widely found in nature and has unique properties, such as forming biofilms or digesting various nutrients. The majority of research on biofilms focuses on…
Gubensek, F Poohphajai, A Tosic, K Butina Ogorelek, W Pajerski, A Cernosa, V Hribljan, A Sandak
A novel cellulose-binding domain from the brown-rot fungus that can be used to evaluate cellulose in wood
2024 - IRG/WP 24-11046
…that brown-rot fungi do not possess an enzymatic degrading system that efficiently degrades crystalline cellulose in wood. However, we have found a novel CBD from the brown-rot fungus Gloeophyllum trabeum and named it GtCBD. GtCBD specifically bound to native crystalline cellulose (cellulose I) and showed higher…
Y Kojima, N Sunagawa, S Tagawa, T Hatano, S Nakaba, M Aoki, M Wada, K Igarashi, M Yoshida
Terpene-based latex synthesis for exterior wood protection
2024 - IRG/WP 24-20715
…protocols applicable in industrial contexts. A semi-batch emulsion polymerization protocol was developed, designed to be scalable and meet essential criteria for exterior coatings, including glass transition temperature and high solids content (> 30 %). The results indicate conversion rates exceeding 91.4 % and…
M Carrère, V Landry